Speed up 2-opt island ordering on layers with thousands of islands

build_release_macos.sh

@@ -47,7 +47,7 @@ while getopts ":dpa:snt:xbc:i:j:Tuh" opt; do
     u )
         export BUILD_TARGET="universal"
         ;;
-    h ) echo "Usage: ./build_release_macos.sh [-d] [-- CMAKE_ARGS...]"
+    h ) echo "Usage: ./build_release_macos.sh [-d]"
         echo "   -d: Build deps only"
         echo "   -a: Set ARCHITECTURE (arm64 or x86_64 or universal)"
         echo "   -s: Build slicer only"
@@ -60,33 +60,13 @@ while getopts ":dpa:snt:xbc:i:j:Tuh" opt; do
         echo "   -i: Add a prefix to ignore during CMake dependency discovery (repeatable), defaults to /opt/local:/usr/local:/opt/homebrew"
         echo "   -j: Set the number of parallel build jobs (CMAKE_BUILD_PARALLEL_LEVEL)"
         echo "   -T: Build and run tests (set ORCA_TESTS_BUILD_ONLY=1 to build without running)"
-        echo "   -- CMAKE_ARGS...: pass everything after '--' to the cmake configure step of the deps (-d) and slicer (-s) builds,"
-        echo "       e.g. -DDESTDIR=<dir> for the deps, -DCMAKE_PREFIX_PATH=<dir>/usr/local -DSLIC3R_PCH=OFF for the slicer, --fresh."
-        echo "       They come last on the cmake command line. Use absolute paths: cmake runs in the build directory."
         exit 0
         ;;
-    : )
-        echo "Option -${OPTARG} requires an argument, aborting."
-        exit 1
-        ;;
     * )
-        echo "Unknown option -${OPTARG}, aborting. CMake arguments must follow '--'."
-        exit 1
         ;;
   esac
 done
 
-# getopts stops at '--'; whatever follows is handed to cmake unchanged.
-if [[ ${OPTIND} -le $# ]] ; then
-    separator_index=$((OPTIND-1))
-    if [[ "${!separator_index}" != "--" ]] ; then
-        echo "Unexpected argument '${!OPTIND}': cmake arguments must follow '--', aborting."
-        exit 1
-    fi
-fi
-shift $((OPTIND-1))
-EXTRA_CMAKE_ARGS=("$@")
-
 # Set defaults
 
 if [ -z "$ARCH" ]; then
@@ -231,8 +211,7 @@ function build_deps() {
                         -DCMAKE_OSX_DEPLOYMENT_TARGET="${OSX_DEPLOYMENT_TARGET}" \
                         -DCMAKE_IGNORE_PREFIX_PATH="${CMAKE_IGNORE_PREFIX_PATH}" \
                         "${CMAKE_CCACHE_ARGS[@]}" \
-                        ${CMAKE_POLICY_COMPAT} \
-                        "${EXTRA_CMAKE_ARGS[@]}"
+                        ${CMAKE_POLICY_COMPAT}
                 fi
                 cmake --build . --config "$BUILD_CONFIG" --target deps
             )
@@ -335,8 +314,7 @@ function build_slicer() {
                     -DCMAKE_OSX_DEPLOYMENT_TARGET="${OSX_DEPLOYMENT_TARGET}" \
                     -DCMAKE_IGNORE_PREFIX_PATH="${CMAKE_IGNORE_PREFIX_PATH}" \
                     "${CMAKE_CCACHE_ARGS[@]}" \
-                    ${CMAKE_POLICY_COMPAT} \
-                    "${EXTRA_CMAKE_ARGS[@]}"
+                    ${CMAKE_POLICY_COMPAT}
             fi
             cmake --build . --config "$BUILD_CONFIG" --target "$SLICER_BUILD_TARGET"
         )

src/libslic3r/Config.hpp

@@ -377,8 +377,7 @@ public:
     virtual void set(const ConfigOption* rhs, size_t start, size_t len)                                                     = 0;
     virtual void set_with_restore(const ConfigOptionVectorBase* rhs, std::vector<int>& restore_index, int stride)           = 0;
     virtual void set_with_restore_2(const ConfigOptionVectorBase* rhs, std::vector<int>& restore_index, int start, int len, bool skip_error = false) = 0;
-    // keep_nil: copy a nil column from rhs as well, for options whose nil means "disabled" rather than "inherit".
-    virtual void set_only_diff(const ConfigOptionVectorBase* rhs, std::vector<int>& diff_index, int stride, bool keep_nil = false) = 0;
+    virtual void set_only_diff(const ConfigOptionVectorBase* rhs, std::vector<int>& diff_index, int stride)                 = 0;
     virtual void set_to_index(const ConfigOptionVectorBase* rhs, std::vector<int>& dest_index, int stride) = 0;
     virtual void set_with_nil(const ConfigOptionVectorBase* rhs, const ConfigOptionVectorBase* inherits, int stride)        = 0;
     // Resize the vector of values, copy the newly added values from opt_default if provided.
@@ -581,7 +580,7 @@ public:
     //set a item related with extruder variants when loading user config, only set the different value of some extruder
     //rhs: item from user config
     //diff_index: which index in this vector need to be set
-    virtual void set_only_diff(const ConfigOptionVectorBase* rhs, std::vector<int>& diff_index, int stride, bool keep_nil) override
+    virtual void set_only_diff(const ConfigOptionVectorBase* rhs, std::vector<int>& diff_index, int stride) override
     {
         if (rhs->type() == this->type()) {
             // Assign the first value of the rhs vector.
@@ -593,7 +592,7 @@ public:
             for (size_t i = 0; i < diff_index.size(); i++) {
                 if (diff_index[i] != -1) {
                     for (size_t j = 0; j < stride; j++) {
-                        if (keep_nil || !other->is_nil(diff_index[i] * stride))
+                        if (!other->is_nil(diff_index[i] * stride))
                             this->values[i * stride + j] = other->values[diff_index[i] * stride + j];
                     }
                 }
@@ -842,12 +841,8 @@ public:
     {
         UNUSED(append);
         std::istringstream iss(str);
-        double value;
-        iss >> value;
-        if (iss.fail())
-            return false;
-        this->value = value;
-        return true;
+        iss >> this->value;
+        return !iss.fail();
     }
 
     bool operator==(const ConfigOption &rhs) const override
@@ -1038,12 +1033,8 @@ public:
     {
         UNUSED(append);
         std::istringstream iss(str);
-        int value;
-        iss >> value;
-        if (iss.fail())
-            return false;
-        this->value = value;
-        return true;
+        iss >> this->value;
+        return !iss.fail();
     }
 
     ConfigOptionInt& operator=(const ConfigOption *opt)
@@ -1261,12 +1252,8 @@ public:
         UNUSED(append);
         // don't try to parse the trailing % since it's optional
         std::istringstream iss(str);
-        double value;
-        iss >> value;
-        if (iss.fail())
-            return false;
-        this->value = value;
-        return true;
+        iss >> this->value;
+        return !iss.fail();
     }
 
 private:
@@ -1378,14 +1365,10 @@ public:
     bool deserialize(const std::string &str, bool append = false) override
     {
         UNUSED(append);
-        std::istringstream iss(str);
-        double value;
-        iss >> value;
-        if (iss.fail())
-            return false;
-        this->value   = value;
         this->percent = str.find_first_of("%") != std::string::npos;
-        return true;
+        std::istringstream iss(str);
+        iss >> this->value;
+        return !iss.fail();
     }
 
 private:
@@ -1555,12 +1538,8 @@ public:
     {
         UNUSED(append);
         char dummy;
-        Vec2d value;
-        if (sscanf(str.data(), " %lf , %lf %c", &value(0), &value(1), &dummy) != 2 &&
-            sscanf(str.data(), " %lf x %lf %c", &value(0), &value(1), &dummy) != 2)
-            return false;
-        this->value = value;
-        return true;
+        return sscanf(str.data(), " %lf , %lf %c", &this->value(0), &this->value(1), &dummy) == 2 ||
+               sscanf(str.data(), " %lf x %lf %c", &this->value(0), &this->value(1), &dummy) == 2;
     }
 
 private:
@@ -1679,12 +1658,8 @@ public:
     {
         UNUSED(append);
         char dummy;
-        Vec3d value;
-        if (sscanf(str.data(), " %lf , %lf , %lf %c", &value(0), &value(1), &value(2), &dummy) != 3 &&
-            sscanf(str.data(), " %lf x %lf x %lf %c", &value(0), &value(1), &value(2), &dummy) != 3)
-            return false;
-        this->value = value;
-        return true;
+        return sscanf(str.data(), " %lf , %lf , %lf %c", &this->value(0), &this->value(1), &this->value(2), &dummy) == 3 ||
+               sscanf(str.data(), " %lf x %lf x %lf %c", &this->value(0), &this->value(1), &this->value(2), &dummy) == 3;
     }
 
 private:

src/libslic3r/GCode/OrderingStrategies.cpp

@@ -4,8 +4,10 @@
 #include "OrderingStrategies.hpp"
 #include "../Geometry.hpp"
 #include "../ShortestPath.hpp"
+#include "libslic3r/KDTreeIndirect.hpp"
 #include "libslic3r/Point.hpp"
 #include "libslic3r/PrintConfig.hpp"
+#include "libslic3r/libslic3r.h"
 
 #include <algorithm>
 #include <cassert>
@@ -53,47 +55,78 @@ bool tsp_2opt_improve(std::vector<size_t>& path, const Points& centers, int max_
     };
     std::vector<double> elsq = recompute_edges_sq();
 
+    // Reversing path[i+1..j] replaces edges (a, b) = (path[i], path[i+1]) and (c, d) = (path[j], path[j+1]) with
+    // (a, c) and (b, d). That can only shorten the cycle if a new edge is shorter than the old one it pairs with:
+    // |ac| < |ab| or |bd| < |cd|. Rather than test every pair, each pass finds those pairs with radius queries
+    // around a and d, which keeps a pass near linear on tours of thousands of nodes. It still applies the move a
+    // full scan would: the largest gain, and the lowest (i, j) among equal gains.
+    auto coordinate_fn = [&centers](size_t idx, size_t dimension) -> double { return double(centers[idx](dimension)); };
+    KDTreeIndirect<2, double, decltype(coordinate_fn)> kdtree(coordinate_fn, path);
+    // Position of each node in the path.
+    std::vector<size_t> pos(centers.size());
+    for (size_t k = 0; k < pn; ++k)
+        pos[path[k]] = k;
+
+    // Calls fn(node) for the nodes of the tour within sqrt(radius_sq) of center. The search radius is padded so that
+    // rounding cannot leave out a node the gain test accepts; that test makes the exact cut.
+    auto visit_within = [&](const Vec2d& center, double radius_sq, auto&& fn) {
+        const double search_sq = radius_sq * (1. + 1e-9) + 1.;
+        auto visitor = [&](size_t idx, size_t dimension) {
+            if ((centers[idx].cast<double>() - center).squaredNorm() < search_sq)
+                fn(idx);
+            return kdtree.descent_mask(center[dimension], search_sq, idx, dimension);
+        };
+        kdtree.visit(visitor);
+    };
+
+    size_t best_i = pn, best_j = pn;
+    double best_gain = 0;
+    auto consider = [&](size_t i, size_t j) {
+        // Skip the swap that would reverse the entire cycle (removes both
+        // edges (0,1) and (pn-1,0), equivalent to traversing the cycle backwards).
+        if (j < i + 2 || (i == 0 && j == pn - 1)) return;
+
+        const Vec2d& pi   = centers[path[i]].cast<double>();
+        const Vec2d& p_in = centers[path[i + 1]].cast<double>();
+        const Vec2d& pj   = centers[path[j]].cast<double>();
+        const Vec2d& p_jn = centers[path[(j + 1) % pn]].cast<double>();
+
+        // Early rejection using squared distances (avoids 2 sqrt calls).
+        double new_a_sq = (pj - pi).squaredNorm();
+        double new_b_sq = (p_jn - p_in).squaredNorm();
+        if (new_a_sq >= elsq[i] && new_b_sq >= elsq[j]) return;
+
+        double new_a = std::sqrt(new_a_sq);
+        double new_b = std::sqrt(new_b_sq);
+        double gain = el[i] + el[j] - new_a - new_b;
+
+        if (gain > best_gain || (gain == best_gain && best_i != pn && std::make_pair(i, j) < std::make_pair(best_i, best_j))) {
+            best_gain = gain;
+            best_i = i; best_j = j;
+        }
+    };
+
     bool improved = false;
     for (int pass = 0; max_passes <= 0 || pass < max_passes; ++pass) {
-        size_t best_i = pn, best_j = pn;
-        double best_gain = 0;
+        best_i = pn; best_j = pn;
+        best_gain = 0;
 
-        for (size_t i = 0; i < pn; ++i) {
-            const Vec2d& pi   = centers[path[i]].cast<double>();
-            const Vec2d& p_in = centers[path[(i + 1) % pn]].cast<double>();
-            double d_i = el[i];
-            double d_i_sq = elsq[i];
-
-            for (size_t j = i + 2; j < pn; ++j) {
-                size_t j_next = (j + 1) % pn;
-                // Skip the swap that would reverse the entire cycle (removes both
-                // edges (0,1) and (pn-1,0), equivalent to traversing the cycle backwards).
-                if (i == 0 && j_next == 0) continue;
-
-                const Vec2d& pj   = centers[path[j]].cast<double>();
-                const Vec2d& p_jn = centers[path[j_next]].cast<double>();
-                double d_j = el[j];
-
-                // Early rejection using squared distances (avoids 2 sqrt calls).
-                double new_a_sq = (pj - pi).squaredNorm();
-                double new_b_sq = (p_jn - p_in).squaredNorm();
-                if (new_a_sq >= d_i_sq && new_b_sq >= elsq[j]) continue;
-
-                double new_a = std::sqrt(new_a_sq);
-                double new_b = std::sqrt(new_b_sq);
-                double gain = d_i + d_j - new_a - new_b;
-
-                if (gain > best_gain) {
-                    best_gain = gain;
-                    best_i = i; best_j = j;
-                }
-            }
-        }
+        // |ac| < |ab|: c lies within the length of the edge leaving a.
+        for (size_t i = 0; i + 2 < pn; ++i)
+            visit_within(centers[path[i]].cast<double>(), elsq[i], [&](size_t c) { consider(i, pos[c]); });
+        // |bd| < |cd|: b lies within the length of the edge entering d.
+        for (size_t j = 2; j < pn; ++j)
+            visit_within(centers[path[(j + 1) % pn]].cast<double>(), elsq[j], [&](size_t b) {
+                if (pos[b] > 0)
+                    consider(pos[b] - 1, j);
+            });
 
         if (best_i == pn) break;
         improved = true;
         // Reverse the best swap segment
         std::reverse(path.begin() + best_i + 1, path.begin() + best_j + 1);
+        for (size_t k = best_i + 1; k <= best_j; ++k)
+            pos[path[k]] = k;
 
         // Recompute edge lengths after reversal
         el = recompute_edges();
@@ -120,9 +153,9 @@ bool tsp_remove_crossings(std::vector<size_t>& path, const Points& centers)
     // TSP helpers (2-opt, closing-edge rotation) that operate on the full cycle.
     size_t n_edges = pn;
 
-    // Scan for first crossing; returns {i, j} or {npos, npos} if none.
-    auto find_crossing = [&]() -> std::pair<size_t, size_t> {
-        for (size_t i = 0; i < n_edges; ++i) {
+    // Scan from edge `from` for the first pair of intersecting edges worth reversing; returns {i, j} or {npos, npos} if none.
+    auto find_crossing = [&](size_t from) -> std::pair<size_t, size_t> {
+        for (size_t i = from; i < n_edges; ++i) {
             const Point& ai = centers[path[i]];
             const Point& bi = centers[path[(i + 1) % pn]];
 
@@ -133,23 +166,40 @@ bool tsp_remove_crossings(std::vector<size_t>& path, const Points& centers)
                 const Point& aj = centers[path[j]];
                 const Point& bj = centers[path[(j + 1) % pn]];
 
-                if (!bboxes_overlap(ai, bi, aj, bj)) continue;
-                if (Geometry::segments_intersect(ai, bi, aj, bj))
+                if (!bboxes_overlap(ai, bi, aj, bj) || !Geometry::segments_intersect(ai, bi, aj, bj))
+                    continue;
+                // The reversal replaces edges (ai, bi) and (aj, bj) with (ai, aj) and (bi, bj). Edges that only touch
+                // or overlap collinearly, as at points sharing a position, may gain nothing from it, and reversing
+                // them would find the same pair again on every scan. A gain within SCALED_EPSILON, which nearly
+                // collinear crossings can have too, is not worth a reversal either.
+                if (ai.distance_to(bi) + aj.distance_to(bj) - ai.distance_to(aj) - bi.distance_to(bj) > SCALED_EPSILON)
                     return {i, j};
             }
         }
         return {std::numeric_limits<size_t>::max(), std::numeric_limits<size_t>::max()};
     };
 
-    // Process crossings one at a time: find first, reverse it, restart scan.
-    // Cap iterations to prevent infinite loops on collinear/overlapping segments.
-    int max_iters = static_cast<int>(pn * pn);
+    // Process crossings one at a time. Reversing path[ci+1..cj] replaces only edges ci and cj; the edges between
+    // them are the same segments traversed backwards. The scan therefore resumes at edge ci rather than at edge 0,
+    // so a pass over the tour costs one quadratic scan however many reversals it makes. Pairs before ci that
+    // involve a replaced edge are new too, so a scan that reaches the end starts over from edge 0, and the loop
+    // ends when a scan from edge 0 finds nothing.
+    // Every reversal shortens the cycle, so no tour repeats and the loop ends; the cap is a safety net.
+    size_t max_reversals = pn * pn;
     bool improved = false;
-    while (max_iters-- > 0) {
-        auto [ci, cj] = find_crossing();
-        if (ci == std::numeric_limits<size_t>::max()) break;
+    for (size_t from = 0;;) {
+        auto [ci, cj] = find_crossing(from);
+        if (ci == std::numeric_limits<size_t>::max()) {
+            if (from == 0)
+                break;
+            from = 0;
+            continue;
+        }
         improved = true;
         std::reverse(path.begin() + ci + 1, path.begin() + cj + 1);
+        if (--max_reversals == 0)
+            break;
+        from = ci;
     }
     return improved;
 }

src/libslic3r/GCode/OrderingStrategies.hpp

@@ -21,12 +21,12 @@ namespace Slic3r {
 
 // --- Path improvement (operate on index vectors into `centers`) ---
 
-// 2-opt improvement: reverses segments that reduce total cycle path length.
-// Returns true if any improvement was made.
+// 2-opt improvement: reverses segments that reduce total cycle path length. Each of up to max_passes passes
+// (unlimited if max_passes <= 0) applies the move that shortens the cycle most. Returns true if any improvement was made.
 bool tsp_2opt_improve(std::vector<size_t>& path, const Points& centers, int max_passes = 10);
 
-// Crossing removal: reverse any segment pair whose edges geometrically cross.
-// Returns true if any crossing was removed.
+// Crossing removal: reverse each pair of intersecting edges whose reversal shortens the cycle by more
+// than SCALED_EPSILON. Returns true if any pair was reversed.
 bool tsp_remove_crossings(std::vector<size_t>& path, const Points& centers);
 
 // The shortest cycle through the points, starting at point 0, by dynamic programming over subsets; for a few points only.

src/libslic3r/Preset.cpp

@@ -797,7 +797,7 @@ bool Preset::save(DynamicPrintConfig* parent_config)
         {
             ConfigOption *opt_src = config.option(option);
             ConfigOption *opt_dst = temp_config.option(option, true);
-            if (opt_dst->is_scalar() || !(opt_dst->nullable()) || is_filament_extruder_override_key(option))
+            if (opt_dst->is_scalar() || !(opt_dst->nullable()))
                 opt_dst->set(opt_src);
             else {
                 ConfigOptionVectorBase* opt_vec_src = static_cast<ConfigOptionVectorBase*>(opt_src);
@@ -2132,7 +2132,7 @@ Preset* PresetCollection::get_preset_differed_for_save(Preset& preset)
         {
             ConfigOption *opt_src = preset.config.option(option);
             ConfigOption *opt_dst = temp_config.option(option, true);
-            if (opt_dst->is_scalar() || !(opt_dst->nullable()) || is_filament_extruder_override_key(option))
+            if (opt_dst->is_scalar() || !(opt_dst->nullable()))
                 opt_dst->set(opt_src);
             else {
                 ConfigOptionVectorBase* opt_vec_src = static_cast<ConfigOptionVectorBase*>(opt_src);
@@ -2199,12 +2199,9 @@ int PresetCollection::get_differed_values_to_update(Preset& preset, std::map<std
         // option's non-nil default (e.g. filament_retract_before_wipe -> 100%), silently
         // resurrecting an override the user turned off. See GitHub issue on Retract Before Wipe.
         if (m_type == Preset::TYPE_FILAMENT) {
-            for (const std::string& opt_key : preset.config.keys()) {
-                if (!is_filament_extruder_override_key(opt_key) || key_values.count(opt_key))
-                    continue; // not an override, or already carried by the diff
-                const ConfigOptionDef *def = print_config_def.get(opt_key);
-                if (def == nullptr || !def->default_value || def->default_value->is_nil())
-                    continue; // the option's default is nil too, so an absent key cannot come back as a value
+            for (const std::string& opt_key : filament_extruder_override_keys) {
+                if (key_values.count(opt_key))
+                    continue; // already carried by the diff
                 const auto* opt_vec = dynamic_cast<const ConfigOptionVectorBase*>(preset.config.option(opt_key));
                 if (opt_vec == nullptr)
                     continue;

src/libslic3r/PrintConfig.cpp

@@ -119,18 +119,12 @@ const std::vector<std::string> filament_extruder_override_keys = {
 };
 
 // Some filament override parameters are generated from filament_extruder_override_keys,
-// while filament_retract_length_nc and the ironing overrides are defined separately.
-// Keep the generator list unchanged and use this helper for behavior checks that need
-// the full override set. A nil in one of these keys means the override is disabled, so
-// child presets store and load it verbatim instead of treating nil as "inherit".
+// while filament_retract_length_nc is defined separately. Keep the generator list
+// unchanged and use this helper for behavior checks that need the full override set.
 bool is_filament_extruder_override_key(const std::string &opt_key)
 {
     return std::find(filament_extruder_override_keys.begin(), filament_extruder_override_keys.end(), opt_key) != filament_extruder_override_keys.end() ||
-           opt_key == "filament_retract_length_nc" ||
-           opt_key == "filament_ironing_flow" ||
-           opt_key == "filament_ironing_spacing" ||
-           opt_key == "filament_ironing_inset" ||
-           opt_key == "filament_ironing_speed";
+           opt_key == "filament_retract_length_nc";
 }
 
 size_t get_extruder_index(const GCodeConfig& config, unsigned int filament_id)
@@ -12278,8 +12272,7 @@ void DynamicPrintConfig::update_diff_values_to_child_config(DynamicPrintConfig&
                     opt_src->set(opt_target);
                 }
                 else
-                    // An override's nil means "disabled" and is the child's value; every other nil column inherits.
-                    opt_vec_src->set_only_diff(opt_vec_dest, variant_index, stride, is_filament_extruder_override_key(opt));
+                    opt_vec_src->set_only_diff(opt_vec_dest, variant_index, stride);
             }
         }
     }

src/slic3r/GUI/ConnectPrinter.cpp

@@ -15,7 +15,6 @@
 #include <string>
 #include "slic3r/GUI/wxExtensions.hpp"
 #include "libslic3r/AppConfig.hpp"
-#include "IPrinterAgent.hpp"
 
 #include "DeviceCore/DevManager.h"
 
@@ -171,16 +170,14 @@ void ConnectPrinterDialog::on_input_enter(wxCommandEvent& evt)
 void ConnectPrinterDialog::on_button_confirm(wxCommandEvent &event)
 {
     wxString code = m_textCtrl_code->GetTextCtrl()->GetValue();
-    // Validate only what the user typed; the no-key sentinel is applied afterwards (it contains
-    // non-alphanumeric characters, so it must not go through this check).
+    if (code.empty() && (!m_obj || m_obj->printer_agent_id != MOONRAKER_PRINTER_AGENT_ID))
+        code = "88888888";
     for (char c : code) {
         if (!(('0' <= c && c <= '9') || ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z'))) {
             show_error(this, _L("Invalid input"));
             return;
         }
     }
-    if (code.empty())
-        code = NO_API_KEY_SENTINEL;
     if (m_obj) {
         m_obj->set_access_code(code.ToStdString());
     }

src/slic3r/GUI/DeviceManager.cpp

@@ -2685,8 +2685,7 @@ int MachineObject::connect()
 {
     if (m_access_revoked || get_dev_ip().empty()) return -1;
     std::string username = m_agent ? m_agent->default_lan_username() : std::string();
-    // The stored access code may be the "no API key" sentinel; agents expect an empty credential.
-    std::string password = normalize_access_code(get_access_code());
+    std::string password = get_access_code();
 
     std::string port;
     std::string input = get_dev_ip();

src/slic3r/GUI/GUI_App.cpp

@@ -4354,11 +4354,6 @@ void GUI_App::select_machine(const std::string& agent_id)
         machine.dev_ip = dev_id;
         machine.dev_name = dev_id;
         machine.printer_type = preset.config.opt_string("printer_model");
-        auto access_code = preset.config.opt_string("printhost_apikey");
-        // Orca expect non empty access code
-        if (access_code.empty()) {
-            access_code = NO_API_KEY_SENTINEL;
-        }
 
         existing = m_device_manager->insert_local_device(
             machine, "lan", "free", "", access_code);

src/slic3r/GUI/ReleaseNote.cpp

@@ -2,7 +2,6 @@
 #include "I18N.hpp"
 
 #include "bambu_networking.hpp"
-#include "IPrinterAgent.hpp"
 #include "libslic3r/Utils.hpp"
 #include "GUI.hpp"
 #include "GUI_App.hpp"
@@ -1904,7 +1903,7 @@ void InputIpAddressDialog::on_ok(wxMouseEvent& evt)
     std::string str_ip = m_input_ip->GetTextCtrl()->GetValue().ToStdString();
     std::string str_access_code = m_input_access_code->GetTextCtrl()->GetValue().ToStdString();
     if (str_access_code.empty())
-        str_access_code = NO_API_KEY_SENTINEL;
+        str_access_code = "88888888";
     std::string str_name = m_input_printer_name->GetTextCtrl()->GetValue().Strip(wxString::both).ToStdString();
     // Serial number should not contain lower case letters, and bambu_network plugin crashes
     // if user entered the wrong serial number, so we call `Upper()` here.
@@ -1951,7 +1950,7 @@ void InputIpAddressDialog::on_send_retry()
     wxString ip              = m_input_ip->GetTextCtrl()->GetValue();
     wxString str_access_code = m_input_access_code->GetTextCtrl()->GetValue();
     if (str_access_code.IsEmpty())
-        str_access_code = NO_API_KEY_SENTINEL;
+        str_access_code = "88888888";
 
     // check support function
     if (!m_obj) return;

src/slic3r/Utils/BBLPrinterAgent.cpp

@@ -211,9 +211,8 @@ int BBLPrinterAgent::command_axis_control(std::string dev_id, std::string axis,
         int dir = input_val > 0 ? 1 : -1;
         // i3-arch printers move the bed for Y/Z, so the on-screen direction is
         // reversed -- same negation the g-code fallback below applies.
-        if (!is_core_xy && (axis == "Y" || axis == "Z")) {
+        if (!is_core_xy && (axis == "Y" || axis == "Z"))
             dir = -dir;
-        }
 
         j["print"]["command"] = "xyz_ctrl";
         j["print"]["axis"] = axis;
@@ -223,9 +222,8 @@ int BBLPrinterAgent::command_axis_control(std::string dev_id, std::string axis,
     }
 
     double value = input_val;
-    if (!is_core_xy && (axis == "Y" || axis == "Z")) {
-        value = -1.0 * input_val;
-    }
+    if (!is_core_xy && (axis == "Y" || axis == "Z"))
+        value = -input_val;
 
     std::string value_str = (boost::format("%.1f") % (value * unit)).str();
     std::string gcode;
@@ -246,11 +244,10 @@ int BBLPrinterAgent::command_axis_control(std::string dev_id, std::string axis,
 int BBLPrinterAgent::publish(const std::string& dev_id, const nlohmann::json& j, bool lan_mode)
 {
     const int rtn = lan_mode ? send_message_to_printer(dev_id, j.dump(), 0, 0) : send_message(dev_id, j.dump(), 0, 0);
-    if (rtn == 0) {
+    if (rtn == 0)
         BOOST_LOG_TRIVIAL(info) << "publish_json: " << j.dump() << " code: " << rtn;
-    } else {
+    else
         BOOST_LOG_TRIVIAL(error) << "publish_json: " << j.dump() << " code: " << rtn;
-    }
     return rtn;
 }
 
@@ -596,21 +593,8 @@ int BBLPrinterAgent::start_local_print_with_record(PrintParams params, OnUpdateS
 
 int BBLPrinterAgent::start_send_gcode_to_sdcard(PrintParams params, OnUpdateStatusFn update_fn, WasCancelledFn cancel_fn, OnWaitFn wait_fn)
 {
-    // dispatch_start() moves out of `params`, so snapshot the diagnostic fields first;
-    // logging them after the call would print empty strings.
-    const bool        try_emmc_print = params.try_emmc_print;
-    const std::string dev_ip         = params.dev_ip;
-    const std::string dev_id         = params.dev_id;
-
-    int result = dispatch_start<func_start_send_gcode_to_sdcard_legacy, func_start_send_gcode_to_sdcard_0203>(
+    return dispatch_start<func_start_send_gcode_to_sdcard_legacy, func_start_send_gcode_to_sdcard_0203>(
         BBLNetworkPlugin::instance().get_start_send_gcode_to_sdcard(), params, update_fn, cancel_fn, wait_fn);
-    if (result != 0) {
-        BOOST_LOG_TRIVIAL(error) << "start_send_gcode_to_sdcard failed: result=" << result
-            << ", try_emmc_print=" << try_emmc_print
-            << ", legacy_mode=" << BBLNetworkPlugin::instance().use_legacy_network()
-            << ", dev_ip=" << dev_ip << ", dev_id=" << dev_id;
-    }
-    return result;
 }
 
 int BBLPrinterAgent::start_local_print(PrintParams params, OnUpdateStatusFn update_fn, WasCancelledFn cancel_fn)

src/slic3r/Utils/BBLPrinterAgent.hpp

@@ -110,7 +110,6 @@ public:
     static std::string from_orca_payload(std::string json_text);
 
 private:
-    // why: the lan/cloud DECISION stays machine-side; keep this mechanical branch in sync with publish_json.
     int publish(const std::string& dev_id, const nlohmann::json& j, bool lan_mode);
 };
 

src/slic3r/Utils/CrealityPrintAgent.cpp

@@ -288,27 +288,22 @@ bool CrealityPrintAgent::parse_cfs_response(const std::string&    response,
     return true;
 }
 
-bool CrealityPrintAgent::fetch_filament_info(std::string dev_id, FilamentSyncMode sync_mode)
+bool CrealityPrintAgent::fetch_filament_info(std::string dev_id, FilamentSyncMode /*sync_mode*/)
 {
-    if (sync_mode != get_filament_sync_mode())
-        return false;
-
-    const MoonrakerDeviceInfo info = snapshot_device_info();
-
-    if (info.dev_ip.empty()) {
+    if (device_info.dev_ip.empty()) {
         BOOST_LOG_TRIVIAL(warning)
             << "CrealityPrintAgent::fetch_filament_info: no device IP, falling back to base agent";
-        return MoonrakerPrinterAgent::fetch_filament_info(std::move(dev_id), sync_mode);
+        return MoonrakerPrinterAgent::fetch_filament_info(std::move(dev_id));
     }
 
     // Build a CrealityPrint helper so we can use its model detection + WS helpers
     // (added in upstream PR #13291).
     DynamicPrintConfig cfg;
-    cfg.set_key_value("print_host",                  new ConfigOptionString("http://" + info.dev_ip));
+    cfg.set_key_value("print_host",                  new ConfigOptionString("http://" + device_info.dev_ip));
     cfg.set_key_value("print_host_webui",            new ConfigOptionString(""));
     cfg.set_key_value("printhost_cafile",            new ConfigOptionString(""));
     cfg.set_key_value("printhost_port",              new ConfigOptionString(""));
-    cfg.set_key_value("printhost_apikey",            new ConfigOptionString(info.api_key));
+    cfg.set_key_value("printhost_apikey",            new ConfigOptionString(device_info.api_key));
     cfg.set_key_value("printhost_ssl_ignore_revoke", new ConfigOptionBool(false));
 
     CrealityPrint host(&cfg);
@@ -318,7 +313,7 @@ bool CrealityPrintAgent::fetch_filament_info(std::string dev_id, FilamentSyncMod
         BOOST_LOG_TRIVIAL(info)
             << "CrealityPrintAgent: " << host.model_name()
             << " is not CFS-capable, deferring to base Moonraker agent";
-        return MoonrakerPrinterAgent::fetch_filament_info(std::move(dev_id), sync_mode);
+        return MoonrakerPrinterAgent::fetch_filament_info(std::move(dev_id));
     }
 
     BOOST_LOG_TRIVIAL(info)
@@ -333,7 +328,7 @@ bool CrealityPrintAgent::fetch_filament_info(std::string dev_id, FilamentSyncMod
         BOOST_LOG_TRIVIAL(warning)
             << "CrealityPrintAgent: CFS query failed (" << parse_err << "), "
             << "falling back to base agent";
-        return MoonrakerPrinterAgent::fetch_filament_info(std::move(dev_id), sync_mode);
+        return MoonrakerPrinterAgent::fetch_filament_info(std::move(dev_id));
     }
 
     if (box_count == 0) {
@@ -342,7 +337,7 @@ bool CrealityPrintAgent::fetch_filament_info(std::string dev_id, FilamentSyncMod
         // Moonraker exposes.
         BOOST_LOG_TRIVIAL(info)
             << "CrealityPrintAgent: no active CFS boxes, deferring to base agent";
-        return MoonrakerPrinterAgent::fetch_filament_info(std::move(dev_id), sync_mode);
+        return MoonrakerPrinterAgent::fetch_filament_info(std::move(dev_id));
     }
 
     BOOST_LOG_TRIVIAL(info)
@@ -387,7 +382,7 @@ bool CrealityPrintAgent::fetch_filament_info(std::string dev_id, FilamentSyncMod
         }
     }
 
-    build_ams_payload(box_count, max_slots - 1, trays, sync_mode == FilamentSyncMode::pull);
+    build_ams_payload(box_count, max_slots - 1, trays);
     return true;
 }
 

src/slic3r/Utils/CrealityPrintAgent.hpp

@@ -37,13 +37,12 @@ public:
     };
 
     explicit CrealityPrintAgent(std::string log_dir);
-    ~CrealityPrintAgent() override { shutdown(); }
+    ~CrealityPrintAgent() override = default;
 
     static AgentInfo get_agent_info_static();
     AgentInfo        get_agent_info() override { return get_agent_info_static(); }
 
     bool fetch_filament_info(std::string dev_id, FilamentSyncMode sync_mode = FilamentSyncMode::pull) override;
-    FilamentSyncMode get_filament_sync_mode() const override { return FilamentSyncMode::pull; }
 
     // Parse the boxsInfo JSON returned by CrealityPrint::query_boxes_info() into
     // a flat list of loaded slots, plus the count of CFS boxes the printer reports.

src/slic3r/Utils/IPrinterAgent.hpp

@@ -45,17 +45,6 @@ struct PrinterConnectionParams
     std::string ca_file;
 };
 
-// Sentinel stored as a LAN device's access code when the user has not supplied one, so the device
-// stays registered (has_access_right() is !access_code.empty()). It is not a real credential: every
-// printer agent must translate it back to an empty string before using/sending it on the wire.
-inline constexpr const char* NO_API_KEY_SENTINEL = "*_{NO_API_KEY}_*";
-
-// Returns an empty string when `code` is the "no API key" sentinel, otherwise `code` unchanged.
-inline std::string normalize_access_code(const std::string& code)
-{
-    return code == NO_API_KEY_SENTINEL ? std::string() : code;
-}
-
 /**
  * FilamentSyncMode - Modes for filament data synchronization.
  *
@@ -466,16 +455,9 @@ public:
     virtual CameraStreamMode get_camera_stream_mode() const { return CameraStreamMode::none; }
 
     /**
-     * Refresh filament info from the printer.
-     *
-     * When called with FilamentSyncMode::pull (which requires get_filament_sync_mode() to
-     * return pull) this is a blocking, synchronous call: when it returns true the MachineObject's
-     * DevFilaSystem has already been populated and the caller may read it immediately.
-     *
-     * When called with FilamentSyncMode::subscription — by an implementation's own status loop —
-     * the refresh may be performed asynchronously: a true return then means the refresh was
-     * scheduled (or is already in flight), and DevFilaSystem is updated later on the main thread.
-     * Callers must not assume the data is ready on return.
+     * Refresh filament info from the printer synchronously.
+     * Should only be called when get_filament_sync_mode() returns FilamentSyncMode::pull.
+     * Populates the MachineObject's DevFilaSystem with fetched filament data.
      */
     virtual bool fetch_filament_info(std::string dev_id, FilamentSyncMode sync_mode = FilamentSyncMode::pull) { return false; }
 

src/slic3r/Utils/MoonrakerPrinterAgent.hpp

@@ -13,8 +13,6 @@
 #include <set>
 #include <string>
 #include <thread>
-#include <condition_variable>
-#include <deque>
 
 #include <nlohmann/json.hpp>
 #include <vector>
@@ -23,56 +21,6 @@ namespace Slic3r { class ICloudServiceAgent; }
 
 namespace Slic3r {
 
-class Http;
-
-bool moonraker_is_light_name(const std::string& name);
-// Direction encoded by a light name: +1 turns on, -1 turns off, 0 is an ambiguous toggle.
-// e.g. LIGHT_ON -> +1, LIGHT_OFF -> -1, LIGHT -> 0.
-int moonraker_light_name_direction(const std::string& name);
-
-struct MoonrakerWebcamSelection
-{
-    std::string      url;
-    CameraStreamMode mode = CameraStreamMode::none;
-    std::string      name;
-    std::string      error;  // set when no selectable webcam was found
-};
-
-// Selects a webcam from a parsed /server/webcams/list response (the top-level JSON or its
-// "result" value). Returns true and fills url/mode/name on success; on failure returns
-// false and sets error.
-bool moonraker_parse_webcam_list(const nlohmann::json& response, const std::string& base_url,
-                                 MoonrakerWebcamSelection& out);
-
-class MoonrakerWebsocket
-{
-public:
-    enum class ReadResult
-    {
-        message,
-        timeout,
-        closed,
-        error,
-    };
-
-    MoonrakerWebsocket(bool secure, std::string api_key, std::string ca_file);
-    ~MoonrakerWebsocket();
-
-    void connect(const std::string& host, const std::string& port, std::chrono::seconds timeout);
-    void tls_handshake(const std::string& host);
-    void handshake(const std::string& host, const std::string& target);
-    void text(bool enabled);
-    void write(const std::string& body);
-    ReadResult read(std::string& payload, std::string& error_message);
-    void close();
-    void expires_after(std::chrono::seconds timeout);
-    void abort();
-
-private:
-    struct Impl;
-    std::unique_ptr<Impl> m_impl;
-};
-
 class MoonrakerPrinterAgent : public IPrinterAgent
 {
 public:
@@ -118,26 +66,12 @@ public:
     int set_on_local_connect_fn(OnLocalConnectedFn fn) override;
     int set_on_local_message_fn(OnMessageFn fn) override;
     int set_queue_on_main_fn(QueueOnMainFn fn) override;
-    bool fetch_filament_info(std::string dev_id, FilamentSyncMode sync_mode = FilamentSyncMode::pull) override;
+
     // Pull-mode agent (on-demand filament sync)
     FilamentSyncMode get_filament_sync_mode() const override { return FilamentSyncMode::pull; }
-    CameraStreamMode get_camera_stream_mode() const override;
-    std::string get_camera_url() const override;
-
-    // Called by the fetch-thread RAII guard when a background filament fetch finishes.
-    // Serialized with the reservation so shutdown()'s wait cannot miss the transition to 0.
-    void release_fetch_slot() noexcept;
+    bool fetch_filament_info(std::string dev_id, FilamentSyncMode sync_mode = FilamentSyncMode::pull) override;
 
 protected:
-    struct ConnectionSettings
-    {
-        std::string dev_id;
-        std::string base_url;
-        std::string api_key;
-        bool        use_ssl = false;
-        std::string ca_file;
-    };
-
     struct MoonrakerDeviceInfo
     {
         std::string dev_id;
@@ -149,9 +83,7 @@ protected:
         std::string dev_name;
         std::string version;
         std::string klippy_state;
-        float       nozzle_diameter = 0.0f;
         bool        use_ssl = false;
-        std::string ca_file;
     } device_info;
 
     // Copied when the stream starts, so changes apply to the next start_status_stream()
@@ -175,47 +107,18 @@ protected:
         int         nozzle_temp = 0;     // Optional
     };
 
-    // Build ams JSON and call parser.
-    // apply_inline: when true the MachineObject mutation runs on the calling thread, which
-    // must therefore be the main thread; when false it is deferred through queue_on_main_fn.
-    // Pull-mode fetches run synchronously on the GUI thread and are read back immediately, so
-    // they pass true to avoid the deferred mutation landing after the caller's read.
-    //
-    // resolve_tray_ids: optional hook that runs as part of the commit, i.e. on the main thread.
-    // Agents that would otherwise resolve tray_info_idx against GUI-owned preset state on a
-    // background fetch thread must do it here to avoid racing the GUI. It must not capture
-    // `this` (the commit may outlive the agent).
-    using ResolveAmsTrayIdsFn = std::function<void(std::vector<AmsTrayData>&)>;
-    void build_ams_payload(int ams_count, int max_lane_index, const std::vector<AmsTrayData>& trays, bool apply_inline = false,
-                           ResolveAmsTrayIdsFn resolve_tray_ids = {});
+    // Build ams JSON and call parser
+    void build_ams_payload(int ams_count, int max_lane_index, const std::vector<AmsTrayData>& trays);
 
     // Methods that derived classes may need to override or access
-    virtual bool init_device_info(const PrinterConnectionParams& params);
-    virtual bool fetch_device_info(const ConnectionSettings& connection, MoonrakerDeviceInfo& info, std::string& error) const;
-    ConnectionSettings get_connection_settings() const;
-    // Copy of the mutable connection state, taken under connect_mutex. Background threads
-    // must use this instead of reading device_info directly.
-    MoonrakerDeviceInfo snapshot_device_info() const;
-    void configure_http(Http& http, const ConnectionSettings& connection) const;
-    static float parse_nozzle_diameter(const nlohmann::json& response);
-    // The connection is copied when the stream starts, so changes apply to the next start.
-    void start_status_stream(const std::string& dev_id, ConnectionSettings connection);
+    virtual bool init_device_info(const std::string& dev_id, const std::string& dev_ip, const std::string& username, const std::string& password, bool use_ssl, const std::string& port);
+    virtual bool fetch_device_info(const std::string& base_url, const std::string& api_key, MoonrakerDeviceInfo& info, std::string& error) const;
+    void start_status_stream(const std::string& dev_id, const std::string& base_url, const std::string& api_key);
     void stop_status_stream();
 
     // State access for derived classes
     mutable std::recursive_mutex       state_mutex;
 
-    // Detached fetch threads hold a raw `this`; shutdown() waits for this to reach 0.
-    std::atomic<int> filament_fetch_in_flight{0};
-
-    // Idempotent teardown; must be called from the most-derived destructor.
-    void shutdown();
-    std::atomic<bool> shutting_down{false};
-
-    // Serializes the shutting_down check with the in-flight reservation.
-    std::mutex fetch_lifecycle_mutex;
-    std::condition_variable fetch_done_cv;  // notified when filament_fetch_in_flight reaches 0
-
     // Helpers
     bool        is_numeric(const std::string& value);
     std::string normalize_base_url(bool use_ssl, const std::string& host, const std::string& port);
@@ -228,30 +131,13 @@ protected:
     // Map filament type to OrcaFilamentLibrary preset ID for AMS sync compatibility
     static std::string map_filament_type_to_generic_id(const std::string& filament_type);
 
-    // Send a G-code script via Moonraker (/printer/gcode/script)
-    bool send_gcode(const std::string& dev_id, const std::string& gcode) const;
-    bool send_gcode(const std::string& dev_id, const std::string& gcode,
-                    const ConnectionSettings& connection) const;
-    bool post_print_action(const std::string& action) const;
-    bool post_print_action(const std::string& action,
-                           const ConnectionSettings& connection) const;
-
-    bool send_ws_rpc(const std::string& method, const nlohmann::json& params);
-
-    virtual void on_status_loop_tick(const std::string& dev_id) {}
-
-    // Queue work that may use agent state. The command worker is joined during
-    // destruction, so queued commands cannot outlive the agent.
-    void enqueue_command(std::function<void()> fn);
-    mutable std::recursive_mutex connect_mutex;
-
 private:
     int handle_request(const std::string& dev_id, const std::string& json_str);
     int send_version_info(const std::string& dev_id);
     int send_access_code(const std::string& dev_id);
 
-    bool fetch_object_list(const ConnectionSettings& connection, std::set<std::string>& objects, std::string& error) const;
-    bool query_printer_status(const ConnectionSettings& connection, nlohmann::json& status, std::string& error) const;
+    bool fetch_object_list(const std::string& base_url, const std::string& api_key, std::set<std::string>& objects, std::string& error) const;
+    bool query_printer_status(const std::string& base_url, const std::string& api_key, nlohmann::json& status, std::string& error) const;
     bool send_gcode_sync(const std::string& dev_id, const std::string& gcode) const;
     void send_gcode_async(const std::string& dev_id, const std::string& gcode,
                           std::function<void(bool)> on_result = {}) const;
@@ -259,46 +145,38 @@ private:
     void announce_printhost_device();
     void dispatch_local_connect(int state, const std::string& dev_id, const std::string& msg);
     void dispatch_printer_connected(const std::string& dev_id);
-
-    // Self-contained snapshot of the message callbacks. Async completions capture this
-    // by value so they never dereference `this` after the agent may have been destroyed.
-    struct MessageRouter
-    {
-        OnMessageFn   local_fn;
-        OnMessageFn   cloud_fn;
-        QueueOnMainFn queue_fn;
-        std::string   dev_id;
-
-        void deliver(std::string payload) const;
-    };
-
-    MessageRouter make_message_router(const std::string& dev_id) const;
     void dispatch_message(const std::string& dev_id, const std::string& payload);
     // Joins a stream stopped from its own callback, so a new stream can start without waiting on it under connect_mutex
     void join_stopped_status_stream();
-    void run_status_stream(std::string dev_id, ConnectionSettings connection, StatusStreamTimings timings);
-    void handle_ws_message(std::string dev_id, std::string payload, ConnectionSettings connection);
+    void run_status_stream(std::string dev_id, std::string base_url, std::string api_key, StatusStreamTimings timings);
+    void handle_ws_message(const std::string& dev_id, const std::string& payload);
     void send_heartbeat_if_due(const std::string& dev_id, std::chrono::milliseconds interval);
-    void refresh_thumbnail_url(const ConnectionSettings& connection);
     void update_status_cache(const nlohmann::json& updates);
     nlohmann::json build_print_payload_locked() const;
 
+    // Print control helpers
+    int pause_print(const std::string& dev_id);
+    int resume_print(const std::string& dev_id);
+    int cancel_print(const std::string& dev_id);
+
     // File upload
     bool upload_gcode(const std::string& local_path, const std::string& filename,
-                      const ConnectionSettings& connection,
+                      const std::string& base_url, const std::string& api_key,
                       OnUpdateStatusFn update_fn, WasCancelledFn cancel_fn);
 
+    // JSON-RPC helper
+    bool send_jsonrpc_command(const std::string& base_url, const std::string& api_key,
+                              const nlohmann::json& request, std::string& response) const;
+
     // Connection thread management
     void perform_connection_async(const std::string& dev_id,
-                                   ConnectionSettings connection,
+                                   const std::string& base_url,
+                                   const std::string& api_key,
                                    uint64_t generation);
 
-    void refresh_webcam_info() const;
-    bool fetch_webcam_info(const ConnectionSettings& connection, uint64_t generation) const;
-
     // System-specific filament fetch methods
-    bool fetch_hh_filament_info(const ConnectionSettings& connection, std::vector<AmsTrayData>& trays, int& max_lane_index);
-    bool fetch_moonraker_filament_data(const ConnectionSettings& connection, std::vector<AmsTrayData>& trays, int& max_lane_index);
+    bool fetch_hh_filament_info(std::vector<AmsTrayData>& trays, int& max_lane_index);
+    bool fetch_moonraker_filament_data(std::vector<AmsTrayData>& trays, int& max_lane_index);
 
     // JSON helper methods
     static std::string safe_json_string(const nlohmann::json& obj, const char* key);
@@ -324,37 +202,16 @@ private:
 
     mutable std::recursive_mutex payload_mutex;
     nlohmann::json     status_cache;
-    // note: guarded by payload_mutex; filled by refresh_thumbnail_url(), empty url = looked up, none found
-    std::string        thumbnail_filename;
-    std::string        thumbnail_url;
-    mutable std::string        webcam_stream_url;
-    mutable CameraStreamMode   webcam_stream_mode = CameraStreamMode::none;
-    // Next time the status loop may look the webcam up again (steady_clock ms).
-    mutable std::atomic<uint64_t> webcam_info_next_attempt_ms{0};
-    unsigned            thumbnail_lookup_attempts = 0;
-
-    static constexpr uint64_t WEBCAM_INFO_REFRESH_INTERVAL_MS = 30000;
-    static constexpr uint64_t WEBCAM_INFO_FAILURE_BACKOFF_MS  = 60000;
 
     std::atomic<int>       next_jsonrpc_id{1};
     std::set<std::string>  available_objects;  // Track for feature detection
-    bool                   assumed_light_on = false;
 
     std::atomic<bool>   ws_stop{false};
     std::atomic<bool>   ws_reconnect_requested{false};  // Flag to trigger reconnection
     std::atomic<uint64_t> ws_last_emit_ms{0};
     std::thread         ws_thread;
-
-    // Guards ws_thread and ws_abort. ws_abort posts to the stream's io_context, cancelling the
-    // reconnect wait and interrupting whatever connection attempt is running, so stop is prompt
-    // even when the stream thread is blocked on connect, TLS, or a read.
-    std::mutex            ws_abort_mutex;
-    std::function<void()> ws_abort;  // guarded by ws_abort_mutex
-
-    // AMS/filament refresh cadence, independent of telemetry dispatch so a steady
-    // stream of status updates can't starve it (ws_last_emit_ms is reset by those).
-    static constexpr uint64_t AMS_REFRESH_INTERVAL_MS = 10000;
-    std::atomic<uint64_t> ams_last_fetch_ms{0};
+    std::mutex          ws_abort_mutex; // Guards ws_thread and ws_abort
+    std::function<void()> ws_abort; // Interrupts whatever the stream thread is waiting on, from any thread
 
     // Throttling configuration for WebSocket updates
     // Critical changes (state transitions) dispatch immediately; telemetry is throttled
@@ -365,13 +222,7 @@ private:
     // Connection thread management
     std::atomic<uint64_t>  connect_generation{0};
     std::thread            connect_thread;
-
-    void run_command_worker();
-    std::thread cmd_thread;
-    std::deque<std::function<void()>> cmd_queue;
-    std::mutex cmd_mutex;
-    std::condition_variable cmd_cv;
-    bool cmd_stop = false;
+    std::recursive_mutex   connect_mutex;
 };
 
 } // namespace Slic3r

src/slic3r/Utils/QidiPrinterAgent.cpp

@@ -2,25 +2,18 @@
 #include "Http.hpp"
 #include "MoonrakerPrinterAgent.hpp"
 #include "IPrinterAgent.hpp"
-#include "bambu_networking.hpp"
 #include "libslic3r/PresetBundle.hpp"
 #include "slic3r/GUI/GUI_App.hpp"
 
 #include "nlohmann/json.hpp"
-#include <atomic>
 #include <boost/algorithm/string.hpp>
 #include <boost/algorithm/string/trim.hpp>
 #include <boost/algorithm/string/case_conv.hpp>
 #include <boost/log/trivial.hpp>
 #include <cctype>
-#include <cmath>
 #include "libslic3r/Preset.hpp"
-#include <cstddef>
-#include <exception>
 #include <map>
-#include <mutex>
 #include <sstream>
-#include <thread>
 #include <string>
 #include <utility>
 #include <vector>
@@ -41,40 +34,6 @@ bool has_visible_base_preset(const PresetCollection& filaments, const std::strin
     return false;
 }
 
-// RAII release of the in-flight fetch slot; movable so a failed thread start still releases it.
-struct InFlightGuard
-{
-    MoonrakerPrinterAgent* owner;
-    explicit InFlightGuard(MoonrakerPrinterAgent& o) noexcept : owner(&o) {}
-    InFlightGuard(InFlightGuard&& other) noexcept : owner(other.owner) { other.owner = nullptr; }
-    InFlightGuard(const InFlightGuard&) = delete;
-    InFlightGuard& operator=(const InFlightGuard&) = delete;
-    InFlightGuard& operator=(InFlightGuard&&) = delete;
-    ~InFlightGuard() { if (owner) owner->release_fetch_slot(); }
-};
-
-// nlohmann::json::value() returns the default only when the key is absent; a present but
-// null/wrong-typed value throws. Firmware JSON is untrusted, so read defensively.
-int read_int_or(const nlohmann::json& obj, const std::string& key, int fallback)
-{
-    auto it = obj.find(key);
-    if (it == obj.end()) {
-        return fallback;
-    }
-    if (it->is_number_integer()) {
-        return it->get<int>();
-    }
-    // Firmware may report an integral field as a JSON float (e.g. 2.0). Accept it only when it
-    // has no fractional part, so a genuinely fractional value falls back instead of truncating.
-    if (it->is_number_float()) {
-        const double value = it->get<double>();
-        if (value == std::floor(value)) {
-            return static_cast<int>(value);
-        }
-    }
-    return fallback;
-}
-
 } // anonymous namespace
 
 const std::string QidiPrinterAgent_VERSION = "0.0.1";
@@ -88,179 +47,51 @@ AgentInfo QidiPrinterAgent::get_agent_info_static()
     return AgentInfo{"qidi", "Qidi", QidiPrinterAgent_VERSION, "Qidi printer agent"};
 }
 
-FilamentSyncMode QidiPrinterAgent::get_filament_sync_mode() const
+bool QidiPrinterAgent::fetch_filament_info(std::string dev_id, FilamentSyncMode /*sync_mode*/)
 {
-    if (GUI::wxGetApp().app_config->get_bool("use_printer_agents"))
-        return FilamentSyncMode::subscription;
-    return FilamentSyncMode::pull;
-}
+    std::string error;
 
-bool QidiPrinterAgent::fetch_filament_info(std::string dev_id, FilamentSyncMode sync_mode)
-{
-    if (sync_mode != get_filament_sync_mode())
-        return false;
-
-    // Snapshot what the fetch needs; a reconnect can rewrite device_info meanwhile.
-    ConnectionSettings connection = get_connection_settings();
-    std::string        model_id;
-    std::string        model_name;
+    // 1. Fetch device info and infer series_id
+    std::string series_id;
     {
-        std::lock_guard<std::recursive_mutex> lock(connect_mutex);
-        model_id   = device_info.model_id;
-        model_name = device_info.model_name;
-    }
-
-    // One implementation for both modes; only where it runs differs. pull is the documented
-    // blocking contract (the GUI thread reads DevFilaSystem right after the call), so it runs
-    // on the caller with the payload applied inline. subscription runs on a background thread
-    // so the status loop is not stalled, and the payload is marshalled back to the main thread.
-    auto work = [this, connection = std::move(connection), model_id, model_name](bool apply_inline) -> bool {
-        try {
-            std::string error;
-
-            // 1. Fetch device info and infer series_id
-            std::string series_id;
-            {
-                MoonrakerDeviceInfo info;
-                if (fetch_device_info(connection, info, error)) {
-                    series_id = infer_series_id(info.model_id, info.dev_name);
-                }
-            }
-            if (series_id.empty()) {
-                // Fall back to the configured Orca model if Moonraker doesn't expose a usable identifier.
-                series_id = infer_series_id(model_id, model_name);
-            }
-
-            // 2. Fetch filament dictionary
-            QidiFilamentDict dict;
-            if (!fetch_filament_dict(connection, dict, error)) {
-                BOOST_LOG_TRIVIAL(warning) << "QidiPrinterAgent::fetch_filament_info: Failed to fetch filament dict: " << error;
-            }
-
-            // 3. Fetch slot info and build AmsTrayData directly
-            std::vector<AmsTrayData> trays;
-            int box_count = 0;
-            if (!fetch_slot_info(connection, dict, series_id, trays, box_count, error)) {
-                BOOST_LOG_TRIVIAL(warning) << "QidiPrinterAgent::fetch_filament_info: Failed to fetch slot info: " << error;
-                return false;
-            }
-
-            // 4. Build the AMS payload, resolving preset-dependent ids on the main thread.
-            auto resolve_ids = [](std::vector<AmsTrayData>& resolved_trays) {
-                auto* bundle = GUI::wxGetApp().preset_bundle;
-                if (!bundle) {
-                    return; // keep the Qidi-specific ids computed from device data
-                }
-                for (auto& tray : resolved_trays) {
-                    if (!tray.has_filament) {
-                        continue;
-                    }
-                    if (!tray.tray_info_idx.empty() && has_visible_base_preset(bundle->filaments, tray.tray_info_idx)) {
-                        continue;
-                    }
-                    tray.tray_info_idx = bundle->filaments.filament_id_by_type(tray.tray_type);
-                }
-            };
-            build_ams_payload(box_count, box_count * 4 - 1, trays, apply_inline, resolve_ids);
-            return true;
-        } catch (const std::exception& e) {
-            // why: an exception escaping a detached thread is std::terminate, and firmware
-            // JSON is untrusted; mirror run_command_worker and swallow it here.
-            BOOST_LOG_TRIVIAL(error) << "QidiPrinterAgent::fetch_filament_info: unhandled exception: " << e.what();
-            return false;
-        } catch (...) {
-            BOOST_LOG_TRIVIAL(error) << "QidiPrinterAgent::fetch_filament_info: unhandled exception";
-            return false;
+        MoonrakerDeviceInfo info;
+        if (fetch_device_info(device_info.base_url, device_info.api_key, info, error)) {
+            series_id = infer_series_id(info.model_id, info.dev_name);
         }
-    };
-
-    if (sync_mode == FilamentSyncMode::pull) {
-        return work(/*apply_inline=*/true);
+    }
+    if (series_id.empty()) {
+        // Fall back to the configured Orca model if Moonraker doesn't expose a usable identifier.
+        series_id = infer_series_id(device_info.model_id, device_info.model_name);
     }
 
-    // Subscription: fire-and-forget. A `true` return means the refresh was scheduled (or is
-    // already running), not that DevFilaSystem has been updated. Reserve under the same mutex
-    // shutdown() uses, so the flag and the count can't race.
-    {
-        std::lock_guard<std::mutex> lock(fetch_lifecycle_mutex);
-        if (shutting_down.load())
-            return false;
-        if (filament_fetch_in_flight.load() > 0)
-            return true; // a fetch is already running; don't pile on
-        filament_fetch_in_flight.fetch_add(1, std::memory_order_relaxed);
+    // 2. Fetch filament dictionary
+    QidiFilamentDict dict;
+    if (!fetch_filament_dict(device_info.base_url, device_info.api_key, dict, error)) {
+        BOOST_LOG_TRIVIAL(warning) << "QidiPrinterAgent::fetch_filament_info: Failed to fetch filament dict: " << error;
     }
 
-    InFlightGuard guard{*this};
-    std::thread([work = std::move(work), guard = std::move(guard)]() mutable {
-        work(/*apply_inline=*/false);
-    }).detach();
+    // 3. Fetch slot info and build AmsTrayData directly
+    std::vector<AmsTrayData> trays;
+    int                      box_count = 0;
+    if (!fetch_slot_info(device_info.base_url, device_info.api_key, dict, series_id, trays, box_count, error)) {
+        BOOST_LOG_TRIVIAL(warning) << "QidiPrinterAgent::fetch_filament_info: Failed to fetch slot info: " << error;
+        return false;
+    }
+
+    // 4. Build the AMS payload
+    build_ams_payload(box_count, box_count * 4 - 1, trays);
     return true;
 }
 
-bool QidiPrinterAgent::apply_box_mapping(const PrintParams& params) const
-{
-    // enable_box mirrors task_use_ams: engage the multi-color box only when this
-    // job actually routes filament through it. (See qidi-ams-findings.md §2/§8.3 —
-    // if firmware treats enable_box as "a box exists" rather than "use it this job",
-    // switch this gate to HasAms()/box_count instead.)
-    const int         enable = params.task_use_ams ? 1 : 0;
-    const std::string dev_id = get_connection_settings().dev_id;
-
-    // Build one gcode/script request instead of N blocking HTTP calls: apply_box_mapping
-    // runs on the caller's (GUI) thread before the print starts, so per-tool round trips
-    // would freeze the UI.
-    std::string script = "SAVE_VARIABLE VARIABLE=enable_box VALUE=" + std::to_string(enable);
-
-    // When the box isn't used this job, leave the existing value_t<tool> slot
-    // assignments untouched (enable_box=0 is enough to disengage it).
-    if (enable) {
-        if (params.ams_mapping.empty()) {
-            BOOST_LOG_TRIVIAL(warning) << "QidiPrinterAgent::apply_box_mapping: enable_box set but ams_mapping is empty";
-        } else {
-            // ams_mapping (v0) is a JSON array indexed by filament/tool; each value is the
-            // physical box slot (-1 = unmapped). Mirror it onto value_t<tool>.
-            auto mapping = nlohmann::json::parse(params.ams_mapping, nullptr, /*allow_exceptions*/ false);
-            if (mapping.is_discarded() || !mapping.is_array()) {
-                BOOST_LOG_TRIVIAL(error) << "QidiPrinterAgent::apply_box_mapping: invalid ams_mapping: " << params.ams_mapping;
-                return false;
-            }
-            for (size_t tool = 0; tool < mapping.size(); ++tool) {
-                if (!mapping[tool].is_number_integer())
-                    continue;
-                const int slot = mapping[tool].get<int>();
-                if (slot < 0)
-                    continue; // unmapped filament — skip
-                script += "\nSAVE_VARIABLE VARIABLE=value_t" + std::to_string(tool) +
-                          " VALUE=\"'slot" + std::to_string(slot) + "'\"";
-            }
-        }
-    }
-
-    if (!send_gcode(dev_id, script)) {
-        BOOST_LOG_TRIVIAL(error) << "QidiPrinterAgent::apply_box_mapping: failed to send box mapping";
-        return false;
-    }
-    return true;
-}
-
-int QidiPrinterAgent::start_local_print(PrintParams params, OnUpdateStatusFn update_fn, WasCancelledFn cancel_fn)
-{
-    // Only the LAN print path is implemented by the Moonraker base; the box config is emitted
-    // here, before the print starts. The cloud/record/sdcard variants inherited from the base
-    // deliberately return ORCA_NETWORK_ERR_CMD_NOT_SUPPORTED without side effects.
-    if (!apply_box_mapping(params))
-        return BAMBU_NETWORK_ERR_PRINT_LP_PUBLISH_MSG_FAILED;
-    return MoonrakerPrinterAgent::start_local_print(std::move(params), update_fn, cancel_fn);
-}
-
-bool QidiPrinterAgent::fetch_slot_info(const ConnectionSettings& connection,
+bool QidiPrinterAgent::fetch_slot_info(const std::string&        base_url,
+                                       const std::string&        api_key,
                                        const QidiFilamentDict&   dict,
                                        const std::string&        series_id,
                                        std::vector<AmsTrayData>& trays,
                                        int&                      box_count,
                                        std::string&              error)
 {
-    std::string url = join_url(connection.base_url, "/printer/objects/query?save_variables=variables");
+    std::string url = join_url(base_url, "/printer/objects/query?save_variables=variables");
     for (int i = 0; i < 16; ++i) {
         url += "&box_stepper%20slot" + std::to_string(i) + "=runout_button";
     }
@@ -270,9 +101,8 @@ bool QidiPrinterAgent::fetch_slot_info(const ConnectionSettings& connection,
     std::string http_error;
 
     auto http = Http::get(url);
-    configure_http(http, connection);
-    if (!connection.api_key.empty()) {
-        http.header("X-Api-Key", connection.api_key);
+    if (!api_key.empty()) {
+        http.header("X-Api-Key", api_key);
     }
     http.timeout_connect(5)
         .timeout_max(10)
@@ -297,12 +127,22 @@ bool QidiPrinterAgent::fetch_slot_info(const ConnectionSettings& connection,
         return false;
     }
 
-    nlohmann::json status;
-    nlohmann::json variables;
-    if (!parse_slot_response(response_body, status, variables, error))
+    auto json = nlohmann::json::parse(response_body, nullptr, false, true);
+    if (json.is_discarded()) {
+        error = "Invalid JSON response";
         return false;
+    }
 
-    box_count = read_int_or(variables, "box_count", 1);
+    if (!json.contains("result") || !json["result"].contains("status") || !json["result"]["status"].contains("save_variables") ||
+        !json["result"]["status"]["save_variables"].contains("variables")) {
+        error = "Unexpected JSON structure";
+        return false;
+    }
+
+    auto& variables = json["result"]["status"]["save_variables"]["variables"];
+    auto& status    = json["result"]["status"];
+
+    box_count = variables.value("box_count", 1);
     if (box_count < 0) {
         box_count = 0;
     }
@@ -325,9 +165,9 @@ bool QidiPrinterAgent::fetch_slot_info(const ConnectionSettings& connection,
         tray.slot_index = i;
 
         // Read slot variables
-        const int color_index     = read_int_or(variables, "color_slot" + std::to_string(i), 1);
-        const int filament_type   = read_int_or(variables, "filament_slot" + std::to_string(i), 1);
-        const int vendor_type     = read_int_or(variables, "vendor_slot" + std::to_string(i), 0);
+        const int color_index     = variables.value("color_slot" + std::to_string(i), 1);
+        const int filament_type   = variables.value("filament_slot" + std::to_string(i), 1);
+        const int vendor_type     = variables.value("vendor_slot" + std::to_string(i), 0);
 
         // Check filament presence via runout sensor
         std::string box_stepper_key = "box_stepper slot" + std::to_string(i);
@@ -335,7 +175,7 @@ bool QidiPrinterAgent::fetch_slot_info(const ConnectionSettings& connection,
         if (status.contains(box_stepper_key)) {
             auto& box_stepper = status[box_stepper_key];
             if (box_stepper.contains("runout_button") && !box_stepper["runout_button"].is_null()) {
-                const int runout_button = read_int_or(box_stepper, "runout_button", 0);
+                int runout_button = box_stepper["runout_button"].template get<int>();
                 tray.has_filament = (runout_button == 0);
             }
         }
@@ -349,9 +189,16 @@ bool QidiPrinterAgent::fetch_slot_info(const ConnectionSettings& connection,
             }
             tray.tray_type = normalize_filament_type(filament_name);
 
-            // Qidi-specific setting id derived from device data only; the preset-dependent
-            // fallback runs on the main thread in the resolve hook passed to build_ams_payload.
-            tray.tray_info_idx = build_setting_id(filament_type, vendor_type, tray.tray_type);
+            // Try Qidi-specific setting ID first; fall back to visible preset by type
+            std::string setting_id = build_setting_id(filament_type, vendor_type, tray.tray_type);
+            auto* bundle = GUI::wxGetApp().preset_bundle;
+            if (!bundle) {
+                tray.tray_info_idx = setting_id;
+            } else if (!setting_id.empty() && has_visible_base_preset(bundle->filaments, setting_id)) {
+                tray.tray_info_idx = setting_id;
+            } else {
+                tray.tray_info_idx = bundle->filaments.filament_id_by_type(tray.tray_type);
+            }
 
             // Look up color from dictionary
             auto color_it = dict.colors.find(color_index);
@@ -368,45 +215,20 @@ bool QidiPrinterAgent::fetch_slot_info(const ConnectionSettings& connection,
     return true;
 }
 
-bool QidiPrinterAgent::parse_slot_response(const std::string& response_body,
-                                           nlohmann::json&    status,
-                                           nlohmann::json&    variables,
-                                           std::string&       error)
-{
-    auto json = nlohmann::json::parse(response_body, nullptr, false, true);
-    if (json.is_discarded()) {
-        error = "Invalid JSON response";
-        return false;
-    }
-
-    if (!json.is_object() || !json.contains("result") || !json["result"].is_object() || !json["result"].contains("status") ||
-        !json["result"]["status"].is_object() || !json["result"]["status"].contains("save_variables") ||
-        !json["result"]["status"]["save_variables"].is_object() || !json["result"]["status"]["save_variables"].contains("variables") ||
-        !json["result"]["status"]["save_variables"]["variables"].is_object()) {
-        // why: Qidi firmware may send null here, but json::value() throws for it.
-        error = "Unexpected JSON structure: save_variables.variables must be an object";
-        return false;
-    }
-
-    status    = json["result"]["status"];
-    variables = status["save_variables"]["variables"];
-    return true;
-}
-
-bool QidiPrinterAgent::fetch_filament_dict(const ConnectionSettings& connection,
+bool QidiPrinterAgent::fetch_filament_dict(const std::string& base_url,
+                                           const std::string& api_key,
                                            QidiFilamentDict& dict,
                                            std::string& error) const
 {
-    std::string url = join_url(connection.base_url, "/server/files/config/officiall_filas_list.cfg");
+    std::string url = join_url(base_url, "/server/files/config/officiall_filas_list.cfg");
 
     std::string response_body;
     bool        success = false;
     std::string http_error;
 
     auto http = Http::get(url);
-    configure_http(http, connection);
-    if (!connection.api_key.empty()) {
-        http.header("X-Api-Key", connection.api_key);
+    if (!api_key.empty()) {
+        http.header("X-Api-Key", api_key);
     }
     http.timeout_connect(5)
         .timeout_max(10)

src/slic3r/Utils/QidiPrinterAgent.hpp

@@ -3,8 +3,6 @@
 
 #include "IPrinterAgent.hpp"
 #include "MoonrakerPrinterAgent.hpp"
-#include "bambu_networking.hpp"
-#include "nlohmann/json_fwd.hpp"
 
 #include <map>
 #include <string>
@@ -16,7 +14,7 @@ class QidiPrinterAgent final : public MoonrakerPrinterAgent
 {
 public:
     explicit QidiPrinterAgent(std::string log_dir);
-    ~QidiPrinterAgent() override { shutdown(); }
+    ~QidiPrinterAgent() override = default;
 
     static AgentInfo get_agent_info_static();
     AgentInfo        get_agent_info() override { return get_agent_info_static(); }
@@ -24,22 +22,7 @@ public:
     // Override filament sync (Qidi-specific implementation)
     bool fetch_filament_info(std::string dev_id, FilamentSyncMode sync_mode = FilamentSyncMode::pull) override;
 
-    static bool parse_slot_response(const std::string& response_body,
-                                    nlohmann::json&    status,
-                                    nlohmann::json&    variables,
-                                    std::string&       error);
-
-    // Print operations — emit QiDi multi-color box config, then delegate to base.
-    // Only the LAN print path is supported by the base; the cloud/record/sdcard variants
-    // are inherited and return ORCA_NETWORK_ERR_CMD_NOT_SUPPORTED.
-    int start_local_print(PrintParams params, OnUpdateStatusFn update_fn, WasCancelledFn cancel_fn) override;
-
-    FilamentSyncMode get_filament_sync_mode() const override;
-
 private:
-    // Push enable_box + value_t<tool> SAVE_VARIABLEs before a print starts.
-    // Returns false if any command fails (caller should abort the print).
-    bool apply_box_mapping(const PrintParams& params) const;
     struct QidiFilamentDict
     {
         std::map<int, std::string> colors;
@@ -47,13 +30,14 @@ private:
     };
 
     // Qidi-specific methods
-    bool fetch_slot_info(const ConnectionSettings& connection,
+    bool fetch_slot_info(const std::string&        base_url,
+                         const std::string&        api_key,
                          const QidiFilamentDict&   dict,
                          const std::string&        series_id,
                          std::vector<AmsTrayData>& trays,
                          int&                      box_count,
                          std::string&              error);
-    bool fetch_filament_dict(const ConnectionSettings& connection, QidiFilamentDict& dict, std::string& error) const;
+    bool fetch_filament_dict(const std::string& base_url, const std::string& api_key, QidiFilamentDict& dict, std::string& error) const;
     std::string normalize_filament_type(const std::string& filament_type);
     std::string infer_series_id(const std::string& model_id, const std::string& dev_name);
     std::string normalize_model_key(std::string value);

src/slic3r/Utils/SnapmakerPrinterAgent.cpp

@@ -2,20 +2,11 @@
 #include "Http.hpp"
 #include "MoonrakerPrinterAgent.hpp"
 #include "IPrinterAgent.hpp"
-#include "bambu_networking.hpp"
 #include "libslic3r/PresetBundle.hpp"
 #include "slic3r/GUI/GUI_App.hpp"
 
 #include "nlohmann/json.hpp"
-#include <atomic>
 #include <boost/log/trivial.hpp>
-#include <chrono>
-#include <cmath>
-#include <cstdint>
-#include <exception>
-#include <mutex>
-#include <sstream>
-#include <thread>
 #include <vector>
 #include <string>
 #include "libslic3r/Preset.hpp"
@@ -27,91 +18,6 @@ namespace Slic3r {
 namespace {
 
 constexpr const char* SNAPMAKER_AGENT_VERSION = "0.0.1";
-constexpr int64_t     CAMERA_REFRESH_INTERVAL_MS = 300'000;
-
-int64_t now_ms()
-{
-    return std::chrono::duration_cast<std::chrono::milliseconds>(
-        std::chrono::steady_clock::now().time_since_epoch()).count();
-}
-
-// RAII release of the in-flight fetch slot; movable so a failed thread start still releases it.
-struct InFlightGuard
-{
-    MoonrakerPrinterAgent* owner;
-    explicit InFlightGuard(MoonrakerPrinterAgent& o) noexcept : owner(&o) {}
-    InFlightGuard(InFlightGuard&& other) noexcept : owner(other.owner) { other.owner = nullptr; }
-    InFlightGuard(const InFlightGuard&) = delete;
-    InFlightGuard& operator=(const InFlightGuard&) = delete;
-    InFlightGuard& operator=(InFlightGuard&&) = delete;
-    ~InFlightGuard() { if (owner) owner->release_fetch_slot(); }
-};
-
-// nlohmann::json::value() returns the default only when the key is absent; a present but
-// null/wrong-typed value throws. Firmware JSON is untrusted, so read defensively.
-int read_int_or(const nlohmann::json& obj, const char* key, int fallback)
-{
-    auto it = obj.find(key);
-    if (it == obj.end()) {
-        return fallback;
-    }
-    if (it->is_number_integer()) {
-        return it->get<int>();
-    }
-    // Firmware may report an integral field as a JSON float (e.g. 2.0). Accept it only when it
-    // has no fractional part, so a genuinely fractional value falls back instead of truncating.
-    if (it->is_number_float()) {
-        const double value = it->get<double>();
-        if (value == std::floor(value)) {
-            return static_cast<int>(value);
-        }
-    }
-    return fallback;
-}
-
-std::vector<std::string> read_string_array_or(const nlohmann::json& obj, const char* key)
-{
-    auto it = obj.find(key);
-    if (it == obj.end() || !it->is_array())
-        return {};
-    std::vector<std::string> out;
-    out.reserve(it->size());
-    for (const auto& v : *it)
-        out.push_back(v.is_string() ? v.get<std::string>() : std::string{});
-    return out;
-}
-
-std::vector<bool> read_bool_array_or(const nlohmann::json& obj, const char* key)
-{
-    auto it = obj.find(key);
-    if (it == obj.end() || !it->is_array())
-        return {};
-    std::vector<bool> out;
-    out.reserve(it->size());
-    for (const auto& v : *it)
-        out.push_back(v.is_boolean() ? v.get<bool>() : false);
-    return out;
-}
-
-// Parse a hex colour, stopping at the first non-hex character. std::stoul throws on
-// empty/non-hex input, which must not escape the detached fetch thread.
-unsigned int parse_hex_color(const std::string& hex)
-{
-    unsigned int value = 0;
-    for (char c : hex) {
-        int digit;
-        if (c >= '0' && c <= '9')
-            digit = c - '0';
-        else if (c >= 'a' && c <= 'f')
-            digit = c - 'a' + 10;
-        else if (c >= 'A' && c <= 'F')
-            digit = c - 'A' + 10;
-        else
-            break;
-        value = (value << 4) | static_cast<unsigned int>(digit);
-    }
-    return value;
-}
 
 // Safely access a parallel array by index, returning a fallback if out of bounds.
 template<typename T>
@@ -134,16 +40,14 @@ std::string find_closest_color_preset_by_vendor_and_type(const PresetCollection&
             filaments.get_preset_base(p) == &p && p.config.opt_string("filament_vendor", 0u) == vendor_name &&
             p.config.opt_string("filament_type", 0u) == filament_type) {
             // The printer returns RGBA in the format RRGGBBAA, but profiles store color as #RRGGBB,
-            // so we must remove # and ignore alpha channel for distance calculation. Firmware
-            // colours are untrusted; parse_hex_color tolerates empty/non-hex instead of throwing.
-            unsigned int target_color_value =
-                parse_hex_color(color_rgba.substr(0, color_rgba.size() >= 2 ? color_rgba.size() - 2 : 0));
+            // so we must remove # and ignore alpha channel for distance calculation
+            unsigned int target_color_value = std::stoul(color_rgba.substr(0, color_rgba.length() - 2), nullptr, 16);
 
             std::string  p_color = p.config.opt_string("default_filament_colour", 0u);
-            unsigned int p_color_value = 0;
+            unsigned int p_color_value;
             if (!p_color.empty()) {
-                size_t hash_pos = p_color.find("#");
-                p_color_value   = parse_hex_color(p_color.substr(hash_pos != std::string::npos ? hash_pos + 1 : 0));
+                size_t       hash_pos = p_color.find("#");
+                p_color_value         = std::stoul(p_color.substr(hash_pos != std::string::npos ? hash_pos + 1 : 0), nullptr, 16);
             } else {
                 // Default to black if no color specified in profile. Assume other profiles might be a closer color match.
                 // Could be a problem if the target color is also black and there exist a specific profile for that type, vendor and color
@@ -170,31 +74,6 @@ std::string find_closest_color_preset_by_vendor_and_type(const PresetCollection&
 
 SnapmakerPrinterAgent::SnapmakerPrinterAgent(std::string log_dir) : MoonrakerPrinterAgent(std::move(log_dir)) {}
 
-void SnapmakerPrinterAgent::start_camera_monitor()
-{
-    enqueue_command([this] {
-        send_ws_rpc("camera.start_monitor",
-                    {{"domain", "lan"}, {"interval", 0}, {"expect_pw", false}});
-    });
-    m_camera_last_fire_ms.store(now_ms());
-}
-
-void SnapmakerPrinterAgent::on_status_loop_tick(const std::string& dev_id)
-{
-    (void) dev_id;
-    const int64_t last = m_camera_last_fire_ms.load();
-    if (last == 0 || now_ms() - last >= CAMERA_REFRESH_INTERVAL_MS) {
-        start_camera_monitor();
-    }
-}
-
-int SnapmakerPrinterAgent::command_start_camera(std::string dev_id)
-{
-    (void) dev_id;
-    start_camera_monitor();
-    return BAMBU_NETWORK_SUCCESS;
-}
-
 AgentInfo SnapmakerPrinterAgent::get_agent_info_static()
 {
     return AgentInfo{"snapmaker", "Snapmaker", SNAPMAKER_AGENT_VERSION, "Snapmaker printer agent"};
@@ -230,192 +109,127 @@ std::string SnapmakerPrinterAgent::combine_filament_type(const std::string& type
     return base;
 }
 
-bool SnapmakerPrinterAgent::fetch_filament_info(std::string dev_id, FilamentSyncMode sync_mode)
+bool SnapmakerPrinterAgent::fetch_filament_info(std::string dev_id, FilamentSyncMode /*sync_mode*/)
 {
-    (void) dev_id;
-    if (sync_mode != get_filament_sync_mode())
+    std::string url = join_url(device_info.base_url, "/printer/objects/query?print_task_config&filament_detect");
+
+    std::string response_body;
+    bool        success = false;
+    std::string http_error;
+
+    auto http = Http::get(url);
+    if (!device_info.api_key.empty()) {
+        http.header("X-Api-Key", device_info.api_key);
+    }
+    http.timeout_connect(5)
+        .timeout_max(10)
+        .on_complete([&](std::string body, unsigned status) {
+            if (status == 200) {
+                response_body = body;
+                success       = true;
+            } else {
+                http_error = "HTTP error: " + std::to_string(status);
+            }
+        })
+        .on_error([&](std::string body, std::string err, unsigned status) {
+            http_error = err;
+            if (status > 0) {
+                http_error += " (HTTP " + std::to_string(status) + ")";
+            }
+        })
+        .perform_sync();
+
+    if (!success) {
+        BOOST_LOG_TRIVIAL(warning) << "SnapmakerPrinterAgent::fetch_filament_info: HTTP request failed: " << http_error;
         return false;
+    }
 
-    // Snapshot everything the fetch needs (URL, api key, TLS/CA): a reconnect can rewrite
-    // device_info meanwhile.
-    const ConnectionSettings connection = get_connection_settings();
+    auto json = nlohmann::json::parse(response_body, nullptr, false, true);
+    if (json.is_discarded()) {
+        BOOST_LOG_TRIVIAL(warning) << "SnapmakerPrinterAgent::fetch_filament_info: Invalid JSON response";
+        return false;
+    }
 
-    // One implementation for both modes; only where it runs differs. pull is the documented
-    // blocking contract (the GUI thread reads DevFilaSystem right after the call), so it runs
-    // on the caller with the payload applied inline. subscription runs on a background thread
-    // so the status loop is not stalled, and the payload is marshalled back to the main thread.
-    auto work = [this, connection](bool apply_inline) -> bool {
-        try {
-            const std::string url = join_url(connection.base_url, "/printer/objects/query?print_task_config&filament_detect");
+    // Navigate to result.status.print_task_config
+    if (!json.contains("result") || !json["result"].contains("status") ||
+        !json["result"]["status"].contains("print_task_config")) {
+        BOOST_LOG_TRIVIAL(warning) << "SnapmakerPrinterAgent::fetch_filament_info: Missing print_task_config in response";
+        return false;
+    }
 
-            std::string response_body;
-            bool success = false;
-            std::string http_error;
+    auto& ptc = json["result"]["status"]["print_task_config"];
 
-            auto http = Http::get(url);
-            configure_http(http, connection);
-            if (!connection.api_key.empty()) {
-                http.header("X-Api-Key", connection.api_key);
-            }
-            http.timeout_connect(5)
-                .timeout_max(10)
-                .on_complete([&](std::string body, unsigned status) {
-                    if (status == 200) {
-                        response_body = body;
-                        success       = true;
-                    } else {
-                        http_error = "HTTP error: " + std::to_string(status);
-                    }
-                })
-                .on_error([&](std::string body, std::string err, unsigned status) {
-                    http_error = err;
-                    if (status > 0) {
-                        http_error += " (HTTP " + std::to_string(status) + ")";
-                    }
-                })
-                .perform_sync();
+    // Read parallel arrays from print_task_config
+    auto filament_exist    = ptc.value("filament_exist", std::vector<bool>{});
+    auto filament_type     = ptc.value("filament_type", std::vector<std::string>{});
+    auto filament_sub_type = ptc.value("filament_sub_type", std::vector<std::string>{});
+    auto filament_color    = ptc.value("filament_color_rgba", std::vector<std::string>{});
+    auto filament_vendor   = ptc.value("filament_vendor", std::vector<std::string>{});
 
-            if (!success) {
-                BOOST_LOG_TRIVIAL(warning) << "SnapmakerPrinterAgent::fetch_filament_info: HTTP request failed: " << http_error;
-                return false;
-            }
+    const int slot_count = static_cast<int>(filament_exist.size());
+    if (slot_count == 0) {
+        BOOST_LOG_TRIVIAL(info) << "SnapmakerPrinterAgent::fetch_filament_info: No filament slots reported";
+        return false;
+    }
 
-            auto json = nlohmann::json::parse(response_body, nullptr, false, true);
-            if (json.is_discarded()) {
-                BOOST_LOG_TRIVIAL(warning) << "SnapmakerPrinterAgent::fetch_filament_info: Invalid JSON response";
-                return false;
-            }
+    // Read NFC filament_detect data for temperature info (optional)
+    nlohmann::json nfc_info;
+    if (json["result"]["status"].contains("filament_detect") &&
+        json["result"]["status"]["filament_detect"].contains("info")) {
+        nfc_info = json["result"]["status"]["filament_detect"]["info"];
+    }
 
-            // Navigate to result.status.print_task_config
-            if (!json.contains("result") || !json["result"].contains("status") || !json["result"]["status"].contains("print_task_config")) {
-                BOOST_LOG_TRIVIAL(warning) << "SnapmakerPrinterAgent::fetch_filament_info: Missing print_task_config in response";
-                return false;
-            }
+    static const std::string empty_str;
+    static const std::string default_color = "FFFFFFFF";
 
-            auto& ptc = json["result"]["status"]["print_task_config"];
+    std::vector<AmsTrayData> trays;
+    trays.reserve(slot_count);
 
-            // Read parallel arrays from print_task_config
-            auto filament_exist    = read_bool_array_or(ptc, "filament_exist");
-            auto filament_type     = read_string_array_or(ptc, "filament_type");
-            auto filament_sub_type = read_string_array_or(ptc, "filament_sub_type");
-            auto filament_color    = read_string_array_or(ptc, "filament_color_rgba");
-            auto filament_vendor   = read_string_array_or(ptc, "filament_vendor");
+    for (int i = 0; i < slot_count; ++i) {
+        AmsTrayData tray;
+        tray.slot_index   = i;
+        tray.has_filament = filament_exist[i];
 
-            const int slot_count = static_cast<int>(filament_exist.size());
-            if (slot_count == 0) {
-                BOOST_LOG_TRIVIAL(info) << "SnapmakerPrinterAgent::fetch_filament_info: No filament slots reported";
-                return false;
-            }
+        if (tray.has_filament) {
+            tray.tray_type     = combine_filament_type(safe_at(filament_type, i, empty_str),
+                                                       safe_at(filament_sub_type, i, empty_str));
+            tray.tray_color    = safe_at(filament_color, i, default_color);
 
-            // Read NFC filament_detect data for temperature info (optional)
-            nlohmann::json nfc_info;
-            if (json["result"]["status"].contains("filament_detect") && json["result"]["status"]["filament_detect"].contains("info")) {
-                nfc_info = json["result"]["status"]["filament_detect"]["info"];
-            }
+            auto* bundle = GUI::wxGetApp().preset_bundle;
+            // Try to find a matching preset for this filament based on vendor, type and color.
+            // If not found, default to traditional search by type only or generic type mapping.
+            if (bundle) {
+                std::string vendor      = safe_at(filament_vendor, i, empty_str);
+                std::string filament_id = find_closest_color_preset_by_vendor_and_type(bundle->filaments, vendor, tray.tray_type,
+                                                                                       tray.tray_color);
 
-            static const std::string empty_str;
-            static const std::string default_color = "FFFFFFFF";
-
-            // Per-tray vendor names, kept so the preset lookup can run on the main thread.
-            std::vector<std::string> vendors(slot_count);
-
-            std::vector<AmsTrayData> trays;
-            trays.reserve(slot_count);
-
-            for (int i = 0; i < slot_count; ++i) {
-                AmsTrayData tray;
-                tray.slot_index   = i;
-                tray.has_filament = filament_exist[i];
-
-                if (tray.has_filament) {
-                    tray.tray_type  = combine_filament_type(safe_at(filament_type, i, empty_str), safe_at(filament_sub_type, i, empty_str));
-                    tray.tray_color = safe_at(filament_color, i, default_color);
-                    vendors[i]      = safe_at(filament_vendor, i, empty_str);
-
-                    // Generic id derived from device data only; the preset-dependent lookup runs
-                    // on the main thread in the resolve hook passed to build_ams_payload.
-                    tray.tray_info_idx = map_filament_type_to_generic_id(tray.tray_type);
-
-                    // Extract NFC temperature data if available
-                    if (nfc_info.is_array() && i < static_cast<int>(nfc_info.size()) && nfc_info[i].is_object()) {
-                        auto&       nfc_slot = nfc_info[i];
-                        std::string vendor   = "NONE";
-                        if (auto vendor_it = nfc_slot.find("VENDOR"); vendor_it != nfc_slot.end() && vendor_it->is_string()) {
-                            vendor = vendor_it->get<std::string>();
-                        }
-                        if (vendor != "NONE" && !vendor.empty()) {
-                            tray.bed_temp    = read_int_or(nfc_slot, "BED_TEMP", 0);
-                            tray.nozzle_temp = read_int_or(nfc_slot, "FIRST_LAYER_TEMP", 0);
-                        }
-                    }
+                if (!filament_id.empty()) {
+                    tray.tray_info_idx = filament_id;
+                    BOOST_LOG_TRIVIAL(warning) << "Filament sync: Found manufacturer-specific profile for slot " << i << ": "
+                                               << filament_id;
+                } else {
+                    tray.tray_info_idx = bundle->filaments.filament_id_by_type(tray.tray_type);
                 }
-
-                trays.emplace_back(std::move(tray));
+            } else {
+                tray.tray_info_idx = map_filament_type_to_generic_id(tray.tray_type);
             }
 
-            // Resolve against GUI-owned presets on the main thread (inside build_ams_payload).
-            auto resolve_ids = [vendors](std::vector<AmsTrayData>& resolved_trays) {
-                auto* bundle = GUI::wxGetApp().preset_bundle;
-                if (!bundle) {
-                    return; // keep the generic ids computed from device data
+            // Extract NFC temperature data if available
+            if (nfc_info.is_array() && i < static_cast<int>(nfc_info.size()) && nfc_info[i].is_object()) {
+                auto& nfc_slot = nfc_info[i];
+                std::string vendor = nfc_slot.value("VENDOR", "NONE");
+                if (vendor != "NONE" && !vendor.empty()) {
+                    tray.bed_temp    = nfc_slot.value("BED_TEMP", 0);
+                    tray.nozzle_temp = nfc_slot.value("FIRST_LAYER_TEMP", 0);
                 }
-                for (size_t i = 0; i < resolved_trays.size() && i < vendors.size(); ++i) {
-                    AmsTrayData& tray = resolved_trays[i];
-                    if (!tray.has_filament) {
-                        continue;
-                    }
-                    // Prefer a manufacturer/colour-specific preset, else fall back to type.
-                    std::string filament_id = find_closest_color_preset_by_vendor_and_type(bundle->filaments, vendors[i], tray.tray_type,
-                                                                                           tray.tray_color);
-                    tray.tray_info_idx = filament_id.empty() ? bundle->filaments.filament_id_by_type(tray.tray_type) : filament_id;
-                }
-            };
-            build_ams_payload(1, slot_count - 1, trays, apply_inline, resolve_ids);
-            return true;
-        } catch (const std::exception& e) {
-            // why: an exception escaping a detached thread is std::terminate, and firmware
-            // JSON is untrusted; mirror run_command_worker and swallow it here.
-            BOOST_LOG_TRIVIAL(error) << "SnapmakerPrinterAgent::fetch_filament_info: unhandled exception: " << e.what();
-            return false;
-        } catch (...) {
-            BOOST_LOG_TRIVIAL(error) << "SnapmakerPrinterAgent::fetch_filament_info: unhandled exception";
-            return false;
+            }
         }
-    };
 
-    if (sync_mode == FilamentSyncMode::pull) {
-        return work(/*apply_inline=*/true);
+        trays.emplace_back(std::move(tray));
     }
 
-    // Subscription: fire-and-forget. A `true` return means the refresh was scheduled (or is
-    // already running), not that DevFilaSystem has been updated. Reserve under the same mutex
-    // shutdown() uses, so the flag and the count can't race.
-    {
-        std::lock_guard<std::mutex> lock(fetch_lifecycle_mutex);
-        if (shutting_down.load())
-            return false;
-        if (filament_fetch_in_flight.load() > 0)
-            return true; // a fetch is already running; don't pile on
-        filament_fetch_in_flight.fetch_add(1, std::memory_order_relaxed);
-    }
-
-    InFlightGuard guard{*this};
-    std::thread([work = std::move(work), guard = std::move(guard)]() mutable {
-        work(/*apply_inline=*/false);
-    }).detach();
+    build_ams_payload(1, slot_count - 1, trays);
     return true;
 }
 
-std::string SnapmakerPrinterAgent::get_camera_url() const
-{
-    return join_url(get_connection_settings().base_url, "/server/files/camera/monitor.jpg");
-}
-
-FilamentSyncMode SnapmakerPrinterAgent::get_filament_sync_mode() const
-{
-    if (GUI::wxGetApp().app_config->get_bool("use_printer_agents"))
-        return FilamentSyncMode::subscription;
-    return FilamentSyncMode::pull;
-}
-
 } // namespace Slic3r

src/slic3r/Utils/SnapmakerPrinterAgent.hpp

@@ -3,8 +3,6 @@
 #include "IPrinterAgent.hpp"
 #include "MoonrakerPrinterAgent.hpp"
 
-#include <atomic>
-#include <cstdint>
 #include <string>
 
 namespace Slic3r {
@@ -13,25 +11,16 @@ class SnapmakerPrinterAgent final : public MoonrakerPrinterAgent
 {
 public:
     explicit SnapmakerPrinterAgent(std::string log_dir);
-    ~SnapmakerPrinterAgent() override { shutdown(); }
+    ~SnapmakerPrinterAgent() override = default;
 
     static AgentInfo get_agent_info_static();
     AgentInfo        get_agent_info() override { return get_agent_info_static(); }
 
     bool fetch_filament_info(std::string dev_id, FilamentSyncMode sync_mode = FilamentSyncMode::pull) override;
-    FilamentSyncMode get_filament_sync_mode() const override;
-    int command_start_camera(std::string dev_id) override;
-    CameraStreamMode get_camera_stream_mode() const override { return CameraStreamMode::http_snapshot; }
-    std::string get_camera_url() const override;
 
 private:
     // Combine filament_type + filament_sub_type into a unified type string
     static std::string combine_filament_type(const std::string& type, const std::string& sub_type);
-
-    void start_camera_monitor();
-    void on_status_loop_tick(const std::string& dev_id) override;
-
-    std::atomic<int64_t> m_camera_last_fire_ms{0};
 };
 
 } // namespace Slic3r

src/slic3r/plugin/PluginAuditManager.cpp

@@ -11,7 +11,6 @@
 #include <boost/log/trivial.hpp>
 
 #include <algorithm>
-#include <cassert>
 #include <cctype>
 #include <cstddef>
 #include <cstdlib>
@@ -131,20 +130,6 @@ static AuditEventCategory event_category(const std::string& event_name)
     return it == audit_event_categories.end() ? AuditEventCategory::None : it->second;
 }
 
-// Events the 3.12 stdlib raises with sys.audit() inside the function that performs the whole
-// operation, so the raising frame bounds everything the operation does. Every other mapped event
-// is a primitive raised from C, whose current frame is whatever Python code called it -- possibly
-// a library loop over many targets -- so it never marks an operation. glob.glob and glob.glob/2
-// are raised in iglob(), which returns its lazy generator before any directory is listed.
-static const std::unordered_set<std::string> operation_root_events{
-    "urllib.Request",      "http.client.connect",   "os.walk",          "os.fwalk",
-    "glob.glob",           "glob.glob/2",           "pathlib.Path.glob", "pathlib.Path.rglob",
-    "subprocess.Popen",    "pty.spawn",             "tempfile.mkstemp", "tempfile.mkdtemp",
-    "shutil.copyfile",     "shutil.copymode",       "shutil.copystat",  "shutil.copytree",
-    "shutil.chown",        "shutil.move",           "shutil.rmtree",    "shutil.make_archive",
-    "shutil.unpack_archive",
-};
-
 // True for the categories whose targets are filesystem paths, as opposed to a network
 // address or a process command line -- the deny-path and allowed-root checks only make sense
 // against a path.
@@ -161,24 +146,6 @@ static bool is_fs_category(AuditEventCategory category)
     }
 }
 
-// The category's name in a saved event grant, e.g. "FsRead" in "FsRead:open".
-static const char* category_name(AuditEventCategory category)
-{
-    switch (category) {
-    case AuditEventCategory::FsRead:         return "FsRead";
-    case AuditEventCategory::FsReadWrite:    return "FsReadWrite";
-    case AuditEventCategory::FsCreate:       return "FsCreate";
-    case AuditEventCategory::FsDelete:       return "FsDelete";
-    case AuditEventCategory::Http:           return "Http";
-    case AuditEventCategory::Socket:         return "Socket";
-    case AuditEventCategory::ProcessCreate:  return "ProcessCreate";
-    case AuditEventCategory::ProcessReplace: return "ProcessReplace";
-    case AuditEventCategory::Threading:      return "Threading";
-    case AuditEventCategory::None:           break;
-    }
-    return "None";
-}
-
 // ---------------------------------------------------------------------------
 // Path safety
 // ---------------------------------------------------------------------------
@@ -248,50 +215,26 @@ bool is_inside_allowed_root(const boost::filesystem::path& candidate, const boos
 thread_local std::string PluginAuditManager::m_current_plugin_key = "";
 thread_local std::string PluginAuditManager::m_current_capability_name = "";
 thread_local std::vector<AllowedRoot> PluginAuditManager::m_scoped_allowed_roots;
-thread_local std::vector<PyObject*> PluginAuditManager::m_root_frames;
-thread_local int PluginAuditManager::m_releasing_frames = 0;
 thread_local bool PluginAuditManager::m_audit_denial_pending = false;
 thread_local bool PluginAuditManager::m_has_last_violation = false;
 thread_local AuditViolation PluginAuditManager::m_last_violation;
 
 ScopedPluginAuditContext::ScopedPluginAuditContext(const std::string& plugin_key,
                                                    const std::string& capability_name)
-    : m_plugin_key(plugin_key)
-    , m_capability(capability_name)
-    , m_previous_id(PluginAuditManager::instance().current_plugin())
+    : m_previous_id(PluginAuditManager::instance().current_plugin())
     , m_previous_capability(PluginAuditManager::instance().current_capability())
     , m_previous_scoped_roots(PluginAuditManager::m_scoped_allowed_roots)
-    , m_previous_root_frames(std::move(PluginAuditManager::m_root_frames))
 {
     PluginAuditManager::instance().set_current_plugin(plugin_key);
     PluginAuditManager::instance().set_current_capability(capability_name);
     PluginAuditManager::m_scoped_allowed_roots.clear();
-    PluginAuditManager::m_root_frames.clear();
 }
 
 ScopedPluginAuditContext::~ScopedPluginAuditContext()
 {
-    PluginAuditManager& mgr = PluginAuditManager::instance();
-
-    // Let this scope's root frames go while it is still the current context, and as its own
-    // plugin: the trampoline's denial path clears the key before the scope ends, and a finalizer
-    // must never be judged as the outer plugin, or bypass the audit when there is none. A
-    // finalizer may record a new root frame, so repeat until none is held.
-    if (!PluginAuditManager::m_root_frames.empty()) {
-        assert(PyGILState_Check());
-        mgr.set_current_plugin(m_plugin_key);
-        mgr.set_current_capability(m_capability);
-        while (!PluginAuditManager::m_root_frames.empty()) {
-            std::vector<PyObject*> frames = std::move(PluginAuditManager::m_root_frames);
-            PluginAuditManager::m_root_frames.clear();
-            mgr.release_frames(frames);
-        }
-    }
-
-    mgr.set_current_plugin(m_previous_id);
-    mgr.set_current_capability(m_previous_capability);
+    PluginAuditManager::instance().set_current_plugin(m_previous_id);
+    PluginAuditManager::instance().set_current_capability(m_previous_capability);
     PluginAuditManager::m_scoped_allowed_roots = std::move(m_previous_scoped_roots);
-    PluginAuditManager::m_root_frames          = std::move(m_previous_root_frames);
 }
 
 // ---------------------------------------------------------------------------
@@ -632,6 +575,34 @@ bool PluginAuditManager::last_violation(AuditViolation& violation) const
     return true;
 }
 
+bool PluginAuditManager::has_approved_ancestor(const std::string&              plugin_key,
+                                               const std::vector<std::string>& call_site_ids) const
+{
+    if (plugin_key.empty() || call_site_ids.empty())
+        return false;
+
+    std::lock_guard<std::mutex> lock(m_mutex);
+    auto it = m_approved_call_sites.find(plugin_key);
+    if (it == m_approved_call_sites.end())
+        return false;
+
+    for (const auto& id : call_site_ids)
+        if (it->second.count(id))
+            return true;
+    return false;
+}
+
+void PluginAuditManager::record_approved_call_sites(const std::string&              plugin_key,
+                                                     const std::vector<std::string>& call_site_ids)
+{
+    if (plugin_key.empty() || call_site_ids.empty())
+        return;
+
+    std::lock_guard<std::mutex> lock(m_mutex);
+    auto& approved = m_approved_call_sites[plugin_key];
+    approved.insert(call_site_ids.begin(), call_site_ids.end());
+}
+
 // ---------------------------------------------------------------------------
 // The C-level audit hook
 // ---------------------------------------------------------------------------
@@ -692,88 +663,40 @@ std::string python_str(PyObject* object)
     return result;
 }
 
-// The interpreter's stdlib folders, and the site-packages folders inside them that hold
-// third-party code, both resolved. Set by install_hook(); like the verdict cache below, only
-// touched while the GIL is held.
-static std::vector<boost::filesystem::path>   s_stdlib_dirs;
-static std::vector<boost::filesystem::path>   s_site_package_dirs;
-static std::unordered_map<std::string, bool>  s_stdlib_file_verdicts; // co_filename -> is stdlib
-
-void collect_stdlib_dirs()
+std::vector<std::string> call_site_identities(const std::string& plugin_root)
 {
-    s_stdlib_dirs.clear();
-    s_site_package_dirs.clear();
-    s_stdlib_file_verdicts.clear();
+    std::vector<std::string> ids;
+    if (plugin_root.empty())
+        return ids;
 
-    PyObject* sysconfig = PyImport_ImportModule("sysconfig");
-    PyObject* paths     = sysconfig ? PyObject_CallMethod(sysconfig, "get_paths", nullptr) : nullptr;
-    if (paths && PyDict_Check(paths)) {
-        const auto collect = [paths](const char* key, std::vector<boost::filesystem::path>& out) {
-            const std::string dir = python_unicode(PyDict_GetItemString(paths, key)); // borrowed
-            if (dir.empty())
-                return;
-            boost::system::error_code ec;
-            const boost::filesystem::path resolved = boost::filesystem::weakly_canonical(dir, ec);
-            out.push_back(ec ? boost::filesystem::path(dir) : resolved);
-        };
-        collect("stdlib", s_stdlib_dirs);
-        collect("platstdlib", s_stdlib_dirs);
-        collect("purelib", s_site_package_dirs);
-        collect("platlib", s_site_package_dirs);
-    }
-    Py_XDECREF(paths);
-    Py_XDECREF(sysconfig);
-    if (PyErr_Occurred()) {
-        PyErr_Clear();
-        BOOST_LOG_TRIVIAL(error) << "[AUDIT] Failed to read the stdlib folders from sysconfig";
-    }
-}
-
-bool is_stdlib_frame(PyObject* frame)
-{
-    PyCodeObject* code = PyFrame_GetCode(reinterpret_cast<PyFrameObject*>(frame)); // new reference
-    const std::string filename = python_unicode(code->co_filename);
-    Py_DECREF(code);
-    return PluginAuditManager::is_stdlib_file(filename);
-}
-
-// The frames on this thread's Python stack, innermost first. The pointers stay valid while the
-// caller runs, because a running activation keeps its frame object alive.
-std::vector<PyObject*> stack_frames()
-{
-    std::vector<PyObject*> frames;
     PyFrameObject* frame = PyEval_GetFrame(); // borrowed reference
     Py_XINCREF(frame);                        // normalize to an owned reference for the loop below
+
     while (frame) {
-        frames.push_back(reinterpret_cast<PyObject*>(frame));
+        PyCodeObject* code     = PyFrame_GetCode(frame); // new reference
+        const std::string filename = python_unicode(reinterpret_cast<PyObject*>(code->co_filename));
+        const bool is_plugin_frame = !filename.empty() && boost::algorithm::starts_with(filename, plugin_root);
+
+        std::string id;
+        if (!is_plugin_frame && !filename.empty()) {
+            const std::string funcname = python_unicode(reinterpret_cast<PyObject*>(code->co_name));
+            id = filename + ":" + funcname + ":" + std::to_string(code->co_firstlineno);
+        }
+        Py_DECREF(code);
+
         PyFrameObject* back = PyFrame_GetBack(frame); // new reference, or nullptr at the top of the stack
         Py_DECREF(frame);
         frame = back;
+
+        if (is_plugin_frame)
+            break;
+        if (!id.empty())
+            ids.push_back(std::move(id));
     }
-    return frames;
-}
 
-// Moves the held root frames whose operation has returned from `held` to `dropped`. A suspended
-// generator's frame (os.walk between two items) is off the stack, but its operation resumes, so
-// it stays held until the scope ends.
-void take_returned_frames(std::vector<PyObject*>& held, std::vector<PyObject*>& dropped)
-{
-    if (held.empty())
-        return;
+    Py_XDECREF(frame); // only holds a reference here if the loop exited via break
 
-    const std::vector<PyObject*> stack = stack_frames();
-    const auto running = [&stack](PyObject* frame) {
-        if (std::find(stack.begin(), stack.end(), frame) != stack.end())
-            return true;
-        // NULL once the generator has finished or been deleted: its frame then owns its own data.
-        PyObject* generator = PyFrame_GetGenerator(reinterpret_cast<PyFrameObject*>(frame)); // new reference
-        const bool suspended = generator != nullptr;
-        Py_XDECREF(generator);
-        return suspended;
-    };
-    const auto returned = std::stable_partition(held.begin(), held.end(), running);
-    dropped.insert(dropped.end(), returned, held.end());
-    held.erase(returned, held.end());
+    return ids;
 }
 
 static const std::unordered_set<std::string> two_path_fs_events{
@@ -794,15 +717,12 @@ static const std::unordered_map<std::string, std::vector<Py_ssize_t>> audit_targ
     {"socket.getnameinfo", {0}},
     {"socket.getservbyname", {0}},
     {"socket.getservbyport", {0}},
-    {"socket.sendto", {1}},
-    {"socket.sendmsg", {1}},
 
     {"os.system", {0}},
     {"subprocess.Popen", {1, 0}},
     {"os.posix_spawn", {1, 0}},
     {"os.spawn", {2, 1}},
     {"os.startfile", {0}},
-    {"os.startfile/2", {0}},
     {"pty.spawn", {0}},
     {"_winapi.CreateProcess", {1, 0}},
     {"_posixsubprocess.fork_exec", {0}},
@@ -847,11 +767,7 @@ std::vector<std::string> audit_targets(const std::string& event_name, AuditEvent
     const auto it = audit_target_arg_indices.find(event_name);
     if (it != audit_target_arg_indices.end()) {
         for (const Py_ssize_t index : it->second) {
-            // None is an argument left out (sendmsg without an address), not a target named "None".
-            PyObject* const item = tuple_item(args, index);
-            if (item == Py_None)
-                continue;
-            std::string value = python_str(item);
+            std::string value = python_str(tuple_item(args, index));
             if (!value.empty()) {
                 targets.push_back(std::move(value));
                 break;
@@ -862,14 +778,8 @@ std::vector<std::string> audit_targets(const std::string& event_name, AuditEvent
     return targets;
 }
 
-// The saved list that grants an event: its category's target list, or the event-grant list for
-// an event with no target. Kept apart, so that no grant doubles as a target of the same name (an
-// os.fork grant is not an os.exec of a command named "os.fork").
-std::vector<std::string>* permission_list_for(AuditEventCategory category, bool by_event, PluginPermissions& permissions)
+std::vector<std::string>* permission_list_for(AuditEventCategory category, PluginPermissions& permissions)
 {
-    if (by_event)
-        return &permissions.events;
-
     switch (category) {
     case AuditEventCategory::FsRead:        return &permissions.fs_read;
     case AuditEventCategory::FsReadWrite:   return &permissions.fs_readwrite;
@@ -882,13 +792,6 @@ std::vector<std::string>* permission_list_for(AuditEventCategory category, bool
     }
 }
 
-// An event with no target is granted by its effective category and name, e.g. "FsRead:open"
-// for a read of a file descriptor, which does not grant a write of one ("FsReadWrite:open").
-std::string event_grant_key(AuditEventCategory category, const std::string& event_name)
-{
-    return std::string(category_name(category)) + ":" + event_name;
-}
-
 bool has_permission(const std::vector<std::string>& granted, const std::string& target)
 {
     return std::find(granted.begin(), granted.end(), target) != granted.end();
@@ -999,25 +902,22 @@ bool prompt_for_targets(AuditEventCategory category, const std::string& plugin_n
 
 // Records a grant in the plugin's sidecar so it is not asked again. Reads the install state
 // freshly because the async prompt outlives the caller's stack copy of it.
-void persist_grant(const std::string& plugin_key, AuditEventCategory category, bool by_event, const std::vector<std::string>& keys)
+void persist_grant(const std::string& plugin_key, AuditEventCategory category, const std::vector<std::string>& targets)
 {
     PluginInstallState state;
     if (!PluginManager::instance().get_install_state(plugin_key, state))
         return;
 
-    std::vector<std::string>* permission_list = permission_list_for(category, by_event, state.permissions);
+    std::vector<std::string>* permission_list = permission_list_for(category, state.permissions);
     if (!permission_list)
         return;
 
-    for (const auto& key : keys)
-        persist_permission(plugin_key, state, *permission_list, key);
+    for (const auto& target : targets)
+        persist_permission(plugin_key, state, *permission_list, target);
 }
 
-static PluginAuditManager::PermissionPrompt s_permission_prompt_for_testing;
-
-// Asks the user to grant an audited event, returning true when they approve an inline prompt.
-// `keys` are what a Yes saves: the unresolved targets, or the event-grant key when the event has
-// no target (by_event), which the prompt does not show as a target.
+// Requests permission for an audited event, returning true when it is already granted or the user
+// approves an inline prompt.
 //
 // An audited event can fire on a thread the UI thread may itself be blocked waiting on: the
 // SlicingPipeline hook runs on the slicing worker thread (see PluginHooks.cpp), and
@@ -1029,205 +929,56 @@ static PluginAuditManager::PermissionPrompt s_permission_prompt_for_testing;
 // prompt); the grant is persisted once the user accepts, so a later attempt succeeds without
 // re-prompting.
 bool request_permission(AuditEventCategory category, const std::string& plugin_key, const std::string& plugin_name,
-                        const std::string& event_name, bool by_event, const std::vector<std::string>& keys)
+                        const std::string& event_name, const std::vector<std::string>& unresolved)
 {
-    const std::vector<std::string> shown = by_event ? std::vector<std::string>{} : keys;
-
-    if (s_permission_prompt_for_testing)
-        return s_permission_prompt_for_testing(event_name, shown);
-
     if (wxTheApp == nullptr || GUI::wxGetApp().is_closing())
         return false;
 
     if (wxIsMainThread())
-        return prompt_for_targets(category, plugin_name, event_name, shown);
+        return prompt_for_targets(category, plugin_name, event_name, unresolved);
 
-    GUI::wxGetApp().CallAfter([category, plugin_key, plugin_name, event_name, by_event, keys, shown]() {
+    GUI::wxGetApp().CallAfter([category, plugin_key, plugin_name, event_name, unresolved]() {
         if (wxTheApp == nullptr || GUI::wxGetApp().is_closing())
             return;
-        if (prompt_for_targets(category, plugin_name, event_name, shown))
-            persist_grant(plugin_key, category, by_event, keys);
+        if (prompt_for_targets(category, plugin_name, event_name, unresolved))
+            persist_grant(plugin_key, category, unresolved);
     });
     return false;
 }
 
-// Decides an event that no allowed root or running operation covers: a saved grant allows it,
-// otherwise the user is asked and a Yes is saved.
 int decide_audited_event(PluginAuditManager&             mgr,
                          PluginInstallState&              state,
                          const std::string&                plugin_key,
                          const std::string&                plugin_name,
                          const std::string&                event_name,
                          AuditEventCategory                category,
-                         const std::vector<std::string>&   targets)
+                         const std::vector<std::string>&   targets,
+                         std::vector<std::string>*         permission_list,
+                         const std::vector<std::string>&   call_site_ids)
 {
-    const bool                     by_event = targets.empty();
-    const std::vector<std::string> keys     = by_event ? std::vector<std::string>{event_grant_key(category, event_name)} : targets;
-    std::vector<std::string>*      permission_list = permission_list_for(category, by_event, state.permissions);
-
-    std::vector<std::string> unresolved = keys;
+    std::vector<std::string> unresolved = targets;
     if (permission_list) {
         unresolved.clear();
-        for (const auto& key : keys)
-            if (!has_permission(*permission_list, key))
-                unresolved.push_back(key);
-        if (unresolved.empty())
+        for (const auto& target : targets)
+            if (!has_permission(*permission_list, target))
+                unresolved.push_back(target);
+        if (!targets.empty() && unresolved.empty())
             return 0;
     }
 
-    // Letting a root frame go runs finalizers inside a scope destructor or another event's hook,
-    // where no dialog may open: what they do must already be granted.
-    if (mgr.releasing_frames())
-        return report_denied(mgr, event_name, {false, "audit permission required"});
-
-    if (!request_permission(category, plugin_key, plugin_name, event_name, by_event, unresolved))
+    if (!request_permission(category, plugin_key, plugin_name, event_name, unresolved))
         return report_denied(mgr, event_name, {false, "audit permission required"});
 
     if (permission_list)
-        for (const auto& key : unresolved)
-            persist_permission(plugin_key, state, *permission_list, key);
+        for (const auto& target : unresolved)
+            persist_permission(plugin_key, state, *permission_list, target);
+
+    mgr.record_approved_call_sites(plugin_key, call_site_ids);
     return 0;
 }
 
-// Judges an audited event raised while a plugin context is active.
-int audit_plugin_event(PluginAuditManager& mgr, const std::string& event_name, AuditEventCategory event_type, PyObject* args)
-{
-    const bool                      fs_category = is_fs_category(event_type);
-    const std::vector<std::string>  targets      = audit_targets(event_name, event_type, args);
-
-    // A denied path (secrets, certificates, config files -- see is_denied_path) is an
-    // unconditional block: checked before the running-operation check below, so no granted
-    // operation can launder access to one, and before the allowed-root shortcut further down,
-    // so an allowed root (e.g. the read-only resources folder) cannot make a denied path
-    // underneath it reachable.
-    if (fs_category) {
-        for (const auto& target : targets) {
-            if (mgr.is_denied_path(boost::filesystem::path(target)))
-                return report_denied(mgr, event_name, {false, "denied path"}, target);
-        }
-    }
-
-    // A nested event of an operation already granted, e.g. socket.connect inside an approved
-    // urlopen(), is not asked again. urllib.Request is always judged on its own URL, so a
-    // redirect or a nested urlopen() inside a running request is not covered by it.
-    if (event_name != "urllib.Request" && mgr.covered_by_root_frame())
-        return 0;
-
-    // A filesystem target that resolves entirely inside a pre-determined allowed root -- the
-    // plugin system's own data_dir() tree (which holds each plugin's storage folder and the
-    // installed/system profile cache), the read-only bundled resources folder, or a per-call
-    // scoped root such as the current G-code folder -- is part of the plugin system's normal
-    // workflow and does not need a prompt.
-    if (fs_category && !targets.empty()) {
-        const bool is_write = event_type != AuditEventCategory::FsRead;
-        const bool all_inside_allowed_root =
-            std::all_of(targets.begin(), targets.end(), [&](const std::string& target) {
-                return mgr.check_path_access(boost::filesystem::path(target), is_write).allowed;
-            });
-        if (all_inside_allowed_root)
-            return 0;
-    }
-
-    PluginInstallState state;
-    const bool have_install_state = PluginManager::instance().get_install_state(mgr.current_plugin(), state);
-    if (!have_install_state) {
-        BOOST_LOG_TRIVIAL(warning) << __FUNCTION__ << " Failed to get install state for " << mgr.current_plugin();
-    }
-
-    const std::string plugin_name = state.plugin_name.empty() ? mgr.current_plugin() : state.plugin_name;
-
-    const int result = decide_audited_event(mgr, state, mgr.current_plugin(), plugin_name, event_name, event_type, targets);
-
-    // A granted operation covers its nested events while it runs. A targetless grant names no
-    // operation, so it covers nothing else.
-    if (result == 0 && !targets.empty() && operation_root_events.count(event_name))
-        mgr.record_root_frame();
-    return result;
-}
-
 } // namespace PluginAuditDetail
 
-void PluginAuditManager::record_root_frame()
-{
-    PyObject* frame = reinterpret_cast<PyObject*>(PyEval_GetFrame()); // borrowed reference
-    if (!frame || !PluginAuditDetail::is_stdlib_frame(frame))
-        return;
-    if (std::find(m_root_frames.begin(), m_root_frames.end(), frame) != m_root_frames.end())
-        return; // glob.glob and glob.glob/2 share a frame
-    Py_INCREF(frame);
-    m_root_frames.push_back(frame);
-}
-
-bool PluginAuditManager::covered_by_root_frame() const
-{
-    if (m_root_frames.empty())
-        return false;
-
-    // Only stdlib frames may sit between the event and the operation: plugin or library code
-    // the operation calls back into (an os.walk onerror, a urllib handler) acts on its own.
-    for (PyObject* frame : PluginAuditDetail::stack_frames()) {
-        if (std::find(m_root_frames.begin(), m_root_frames.end(), frame) != m_root_frames.end())
-            return true;
-        if (!PluginAuditDetail::is_stdlib_frame(frame))
-            return false;
-    }
-    return false;
-}
-
-bool PluginAuditManager::releasing_frames() const { return m_releasing_frames > 0; }
-
-bool PluginAuditManager::is_stdlib_file(const std::string& filename)
-{
-    // Frozen stdlib modules (os, posixpath, codecs, ...) carry a pseudo filename.
-    if (boost::algorithm::starts_with(filename, "<frozen "))
-        return true;
-    if (filename.empty() || filename.front() == '<')
-        return false;
-
-    // Both sides are resolved: co_filename follows the Python home as it was given, which may
-    // be a symlink.
-    const auto [it, inserted] = PluginAuditDetail::s_stdlib_file_verdicts.try_emplace(filename, false);
-    if (inserted) {
-        const boost::filesystem::path file(filename);
-        const auto inside_any = [&file](const std::vector<boost::filesystem::path>& dirs) {
-            return std::any_of(dirs.begin(), dirs.end(),
-                               [&file](const boost::filesystem::path& dir) { return is_inside_allowed_root(file, dir); });
-        };
-        it->second = inside_any(PluginAuditDetail::s_stdlib_dirs) && !inside_any(PluginAuditDetail::s_site_package_dirs);
-    }
-    return it->second;
-}
-
-void PluginAuditManager::release_frames(std::vector<PyObject*>& frames)
-{
-    if (frames.empty())
-        return;
-
-    // A finalizer's own denial must neither replace the PermissionError of the event being
-    // decided nor leave a stale denial behind for the next call.
-    PyObject* const      error          = PyErr_GetRaisedException();
-    const bool           denial_pending = m_audit_denial_pending;
-    const bool           has_violation  = m_has_last_violation;
-    const AuditViolation violation      = m_last_violation;
-
-    std::vector<PyObject*> released;
-    released.swap(frames);
-    ++m_releasing_frames;
-    for (PyObject* frame : released)
-        Py_DECREF(frame);
-    --m_releasing_frames;
-
-    m_audit_denial_pending = denial_pending;
-    m_has_last_violation   = has_violation;
-    m_last_violation       = violation;
-    PyErr_SetRaisedException(error);
-}
-
-void PluginAuditManager::set_permission_prompt_for_testing(PermissionPrompt prompt)
-{
-    PluginAuditDetail::s_permission_prompt_for_testing = std::move(prompt);
-}
-
 int PluginAuditManager::audit_hook(const char* event, PyObject* args, void* user_data)
 {
     auto* mgr = static_cast<PluginAuditManager*>(user_data);
@@ -1255,20 +1006,62 @@ int PluginAuditManager::audit_hook(const char* event, PyObject* args, void* user
     if (event_type == AuditEventCategory::None)
         return 0;
 
-    // Root frames whose operation has returned are let go once this event is decided, so that a
-    // finalizer they run re-enters a hook whose held frames are already consistent.
-    std::vector<PyObject*> returned_frames;
-    PluginAuditDetail::take_returned_frames(m_root_frames, returned_frames);
-    const int result = PluginAuditDetail::audit_plugin_event(*mgr, event_name, event_type, args);
-    mgr->release_frames(returned_frames);
-    return result;
+    const bool                      fs_category = is_fs_category(event_type);
+    const std::vector<std::string>  targets      = PluginAuditDetail::audit_targets(event_name, event_type, args);
+
+    // A denied path (secrets, certificates, config files -- see is_denied_path) is an
+    // unconditional block: checked before the ancestor-cascade check below, so a cascade
+    // approval recorded for an unrelated action can never launder access to one, and before
+    // the allowed-root shortcut further down, so an allowed root (e.g. the read-only resources
+    // folder) cannot make a denied path underneath it reachable.
+    if (fs_category) {
+        for (const auto& target : targets) {
+            if (mgr->is_denied_path(boost::filesystem::path(target)))
+                return PluginAuditDetail::report_denied(*mgr, event_name, {false, "denied path"}, target);
+        }
+    }
+
+    PluginDescriptor plugin_descriptor;
+    PluginManager::instance().try_get_plugin_descriptor(mgr->current_plugin(), plugin_descriptor);
+
+    // Some plugins call other audited events, e.g. urlib.request will call socket.connect. So this is so that if urlib.request
+    // was already approved, socket.connect won't trigger another permission dialog.
+    const std::vector<std::string> call_site_ids =
+        PluginAuditDetail::call_site_identities(plugin_descriptor.plugin_root);
+    if (mgr->has_approved_ancestor(mgr->current_plugin(), call_site_ids))
+        return 0;
+
+    // A filesystem target that resolves entirely inside a pre-determined allowed root -- the
+    // plugin system's own data_dir() tree (which holds each plugin's storage folder and the
+    // installed/system profile cache), the read-only bundled resources folder, or a per-call
+    // scoped root such as the current G-code folder -- is part of the plugin system's normal
+    // workflow and does not need a prompt.
+    if (fs_category && !targets.empty()) {
+        const bool is_write = event_type != AuditEventCategory::FsRead;
+        const bool all_inside_allowed_root =
+            std::all_of(targets.begin(), targets.end(), [&](const std::string& target) {
+                return mgr->check_path_access(boost::filesystem::path(target), is_write).allowed;
+            });
+        if (all_inside_allowed_root)
+            return 0;
+    }
+
+    PluginInstallState state;
+    const bool have_install_state = PluginManager::instance().get_install_state(mgr->current_plugin(), state);
+    if (!have_install_state) {
+        BOOST_LOG_TRIVIAL(warning) << __FUNCTION__ << " Failed to get install state for " << mgr->current_plugin();
+    }
+
+    const std::string plugin_name = state.plugin_name.empty() ? mgr->current_plugin() : state.plugin_name;
+
+    std::vector<std::string>* permission_list = PluginAuditDetail::permission_list_for(event_type, state.permissions);
+
+    return PluginAuditDetail::decide_audited_event(*mgr, state, mgr->current_plugin(), plugin_name, event_name,
+                                                    event_type, targets, permission_list, call_site_ids);
 }
 
 void PluginAuditManager::install_hook()
 {
-    // Tells the stdlib's own frames apart, for the operation-root frames (see record_root_frame).
-    PluginAuditDetail::collect_stdlib_dirs();
-
     // data_dir() is the primary globally-allowed root during plugin execution: read+write. It
     // covers the plugin system's own workflow needs -- each plugin's storage folder
     // (data_dir()/orca_plugins) and the installed/system profile cache (data_dir()/system) --

src/slic3r/plugin/PluginAuditManager.hpp

@@ -4,9 +4,10 @@
 // Via pybind11 so this file requests the same python3xx.lib as everything else.
 #include <boost/filesystem/path.hpp>
 #include <pybind11/conduit/wrap_include_python_h.h>
-#include <functional>
 #include <mutex>
 #include <string>
+#include <unordered_map>
+#include <unordered_set>
 #include <vector>
 
 #include <boost/filesystem.hpp>
@@ -143,26 +144,15 @@ public:
     void clear_last_violation();
     bool last_violation(AuditViolation& violation) const;
 
-    // --- operation-root frames ---
-    // One stdlib operation fires several nested audit events as it passes through lower layers:
-    // urlopen() raises urllib.Request, then http.client and socket events. When an operation's
-    // own root event is granted (by a saved grant or the user), the stdlib frame that raised it
-    // is held, and a later event whose stack reaches that frame through stdlib frames only is
-    // part of the same operation, so it is allowed without a prompt of its own. Plugin or
-    // library code the operation calls back into is judged on its own. A frame is let go once it
-    // returns, a suspended generator's (os.walk) when the audit scope ends. Letting a frame go may
-    // run finalizers of objects its locals held; they are judged as the plugin and never prompt.
-    void record_root_frame();
-    bool covered_by_root_frame() const;
-    bool releasing_frames() const;
-
-    // True when code from `filename` (a code object's co_filename) is the interpreter's own
-    // stdlib: the only code a root frame's coverage passes through. Valid after install_hook().
-    static bool is_stdlib_file(const std::string& filename);
-
-    // Answers permission prompts in place of the dialog, for tests. Production never sets it.
-    using PermissionPrompt = std::function<bool(const std::string& event_name, const std::vector<std::string>& targets)>;
-    static void set_permission_prompt_for_testing(PermissionPrompt prompt);
+    // --- call-site cascade cache ---
+    // A single plugin action often fires several nested CPython audit events as it passes
+    // through stdlib layers (urllib.request calling http.client calling socket, for example).
+    // Once the user approves one event, every stdlib frame still on the stack for that call
+    // is recorded here by (filename, function, first line) identity. A later event whose own
+    // ancestor chain still contains one of those frames is the same logical action seen from
+    // a deeper layer, so it is auto-approved instead of prompting again.
+    bool has_approved_ancestor(const std::string& plugin_key, const std::vector<std::string>& call_site_ids) const;
+    void record_approved_call_sites(const std::string& plugin_key, const std::vector<std::string>& call_site_ids);
 
     bool verbose_events = true;
 
@@ -173,32 +163,24 @@ private:
 
     static int audit_hook(const char* event, PyObject* args, void* user_data);
 
-    // Drops the references in `frames`, keeping the caller's error and denial state intact.
-    void release_frames(std::vector<PyObject*>& frames);
-
     static thread_local std::string                   m_current_plugin_key;
     static thread_local std::string                   m_current_capability_name;
     static thread_local std::vector<AllowedRoot>       m_scoped_allowed_roots;
-    static thread_local std::vector<PyObject*>         m_root_frames; // strong references
-    static thread_local int                            m_releasing_frames;
     static thread_local bool                           m_audit_denial_pending;
     static thread_local bool                           m_has_last_violation;
     static thread_local AuditViolation                 m_last_violation;
 
-    // mutable: is_denied_filename() is a const query that must lock.
+    // mutable: is_denied_filename() and has_approved_ancestor() are const queries that must lock.
     mutable std::mutex m_mutex;
     std::vector<AllowedRoot>             m_global_allowed_roots;
     std::vector<std::string>             m_denied_filenames;
     std::vector<std::string>             m_denied_path_keywords;
+    std::unordered_map<std::string, std::unordered_set<std::string>> m_approved_call_sites; // plugin_key -> call-site ids
 };
 
 // RAII guard that sets the current plugin key and capability name, restoring the previous
 // pair on scope exit. `capability_name` may be empty for calls that are not scoped to a
 // single capability.
-//
-// Each scope owns the root frames recorded inside it and lets them go, as its own plugin, before
-// restoring the outer context. That needs the GIL whenever a frame is still held, so construct
-// the scope after the GIL guard, to be destroyed before it.
 class ScopedPluginAuditContext
 {
 public:
@@ -212,12 +194,9 @@ public:
     ScopedPluginAuditContext& operator=(const ScopedPluginAuditContext&) = delete;
 
 private:
-    std::string                   m_plugin_key;
-    std::string                   m_capability;
     std::string                   m_previous_id;
     std::string                   m_previous_capability;
     std::vector<AllowedRoot>      m_previous_scoped_roots;
-    std::vector<PyObject*>        m_previous_root_frames;
 };
 
 } // namespace Slic3r

src/slic3r/plugin/PluginFsUtils.cpp

@@ -808,7 +808,6 @@ bool read_install_state(const boost::filesystem::path& plugin_dir, PluginInstall
             read_string_list("network_socket", parsed.permissions.network_socket);
             read_string_list("process", parsed.permissions.process);
             read_string_list("threading", parsed.permissions.threading);
-            read_string_list("events", parsed.permissions.events);
         }
 
         if (state.contains("enabled") && state["enabled"].is_boolean())
@@ -853,7 +852,6 @@ bool write_install_state(const boost::filesystem::path& plugin_dir, const Plugin
         {"network_socket", state.permissions.network_socket},
         {"process", state.permissions.process},
         {"threading", state.permissions.threading},
-        {"events", state.permissions.events},
     };
 
     nlohmann::json capabilities = nlohmann::json::array();

src/slic3r/plugin/PluginFsUtils.hpp

@@ -104,8 +104,6 @@ struct PluginPermissions
     std::vector<std::string> network_socket;
     std::vector<std::string> process;
     std::vector<std::string> threading;
-    // Grants for audit events that expose no target, keyed "<category>:<event>" (e.g. "Socket:socket.__new__").
-    std::vector<std::string> events;
 };
 
 struct PluginInstallState {

src/slic3r/plugin/PyPluginTrampoline.hpp

@@ -102,9 +102,9 @@ public:
     // mistake), both fall back to the base's empty object rather than writing `"cap_config": null`.
     nlohmann::json get_default_config() const override
     {
-        pybind11::gil_scoped_acquire gil;
         ORCA_PY_AUDIT_SCOPE();
         try {
+            pybind11::gil_scoped_acquire gil;
             pybind11::function override = pybind11::get_override(static_cast<const Base*>(this), "get_default_config");
             if (!override)
                 return Base::get_default_config();

src/slic3r/plugin/pluginTypes/printerAgent/PrinterAgentPluginCapabilityTrampoline.hpp

@@ -282,11 +282,11 @@ public:
     int request_bind_ticket(std::string* ticket) override
     {
         try {
+            ORCA_PY_AUDIT_SCOPE();
             ::Slic3r::PluginCapabilityInterface::RefCounter _orca_ref_counter(*this);
             ::Slic3r::PythonGILState gil;
             if (!gil)
                 throw std::runtime_error("Python interpreter is shutting down");
-            ORCA_PY_AUDIT_SCOPE();
             pybind11::function override =
                 pybind11::get_override(static_cast<const PrinterAgentPluginCapability*>(this), "request_bind_ticket");
             if (!override)

tests/libslic3r/test_config.cpp

@@ -1263,55 +1263,6 @@ TEST_CASE("read_cli rejects an invalid scalar numeric value", "[Config]") {
     REQUIRE_FALSE(config.read_cli(3, argv, &extra, &keys));
 }
 
-TEST_CASE("A scalar option keeps its value when deserializing fails", "[Config]") {
-    using Catch::Matchers::WithinAbs;
-
-    SECTION("float") {
-        ConfigOptionFloat opt(7.5);
-        REQUIRE_FALSE(opt.deserialize("abc"));
-        CHECK_THAT(opt.value, WithinAbs(7.5, 1e-9));
-    }
-    SECTION("int") {
-        ConfigOptionInt opt(3);
-        REQUIRE_FALSE(opt.deserialize("abc"));
-        CHECK(opt.value == 3);
-    }
-    SECTION("percent") {
-        ConfigOptionPercent opt(40.);
-        REQUIRE_FALSE(opt.deserialize("abc%"));
-        CHECK_THAT(opt.value, WithinAbs(40., 1e-9));
-    }
-    SECTION("float or percent") {
-        ConfigOptionFloatOrPercent opt(0.4, false);
-        REQUIRE_FALSE(opt.deserialize("abc%"));
-        CHECK_THAT(opt.value, WithinAbs(0.4, 1e-9));
-        CHECK_FALSE(opt.percent);
-    }
-    SECTION("point") {
-        ConfigOptionPoint opt(Vec2d(1., 2.));
-        REQUIRE_FALSE(opt.deserialize("5,abc"));
-        CHECK(opt.value == Vec2d(1., 2.));
-    }
-    SECTION("point3") {
-        ConfigOptionPoint3 opt(Vec3d(1., 2., 3.));
-        REQUIRE_FALSE(opt.deserialize("5,6,abc"));
-        CHECK(opt.value == Vec3d(1., 2., 3.));
-    }
-}
-
-TEST_CASE("A scalar option still takes a valid value", "[Config]") {
-    using Catch::Matchers::WithinAbs;
-
-    ConfigOptionFloatOrPercent opt(0.4, false);
-    REQUIRE(opt.deserialize("50%"));
-    CHECK_THAT(opt.value, WithinAbs(50., 1e-9));
-    CHECK(opt.percent);
-
-    ConfigOptionPoint point;
-    REQUIRE(point.deserialize("3x4"));
-    CHECK(point.value == Vec2d(3., 4.));
-}
-
 TEST_CASE("read_cli appends values when a vector option is repeated", "[Config]") {
     Slic3r::DynamicPrintConfig config;
     t_config_option_keys extra, keys;
@@ -1727,75 +1678,3 @@ TEST_CASE("Default options of enum lists get their definition's keys map", "[Con
     }
     CHECK(enum_lists > 0);
 }
-
-TEST_CASE("A disabled filament override survives the merge with a parent that sets it", "[Config][Variant]")
-{
-    std::set<std::string>      no_keys;
-    Slic3r::DynamicPrintConfig parent;
-    parent.set_deserialize_strict("filament_retract_before_wipe", "100%");
-    parent.set_deserialize_strict("filament_ironing_flow", "15%");
-    Slic3r::DynamicPrintConfig child;
-    child.set_deserialize_strict("filament_retract_before_wipe", "nil");
-    child.set_deserialize_strict("filament_ironing_flow", "nil");
-    parent.update_diff_values_to_child_config(child, "", "filament_extruder_variant",
-                                              Slic3r::filament_options_with_variant, no_keys);
-    CHECK(parent.opt_serialize("filament_retract_before_wipe") == "nil");
-    CHECK(parent.opt_serialize("filament_ironing_flow") == "nil");
-}
-
-SCENARIO("A two-variant child's disabled override column is matched to the parent's variant by name", "[Config][Variant]")
-{
-    std::set<std::string> no_keys;
-    GIVEN("A two-variant filament parent") {
-        Slic3r::DynamicPrintConfig parent;
-        parent.set_deserialize_strict("filament_extruder_variant", "Direct Drive Standard;Direct Drive High Flow");
-        parent.set_deserialize_strict("filament_retract_before_wipe", "100%,100%");
-        parent.set_deserialize_strict("filament_flow_ratio", "1,1");
-        WHEN("the child disables the override on one variant and leaves a plain option nil on it") {
-            Slic3r::DynamicPrintConfig child;
-            child.set_deserialize_strict("filament_extruder_variant", "Direct Drive Standard;Direct Drive High Flow");
-            child.set_deserialize_strict("filament_retract_before_wipe", "nil,100%");
-            child.set_deserialize_strict("filament_flow_ratio", "nil,1.1");
-            parent.update_diff_values_to_child_config(child, "", "filament_extruder_variant",
-                                                      Slic3r::filament_options_with_variant, no_keys);
-            THEN("the override column is disabled while the plain option's nil column inherits") {
-                CHECK(parent.opt_serialize("filament_retract_before_wipe") == "nil,100%");
-                CHECK(parent.opt_serialize("filament_flow_ratio") == "1,1.1");
-            }
-        }
-        WHEN("the child lists the same variants in the other order") {
-            Slic3r::DynamicPrintConfig child;
-            child.set_deserialize_strict("filament_extruder_variant", "Direct Drive High Flow;Direct Drive Standard");
-            child.set_deserialize_strict("filament_retract_before_wipe", "70%,nil");
-            child.set_deserialize_strict("filament_flow_ratio", "1.1,nil");
-            parent.update_diff_values_to_child_config(child, "", "filament_extruder_variant",
-                                                      Slic3r::filament_options_with_variant, no_keys);
-            THEN("columns are matched by variant name, the disabled one included") {
-                CHECK(parent.opt_serialize("filament_retract_before_wipe") == "nil,70%");
-                CHECK(parent.opt_serialize("filament_flow_ratio") == "1,1.1");
-            }
-        }
-        WHEN("the child was saved with a single variant") {
-            Slic3r::DynamicPrintConfig child;
-            child.set_deserialize_strict("filament_extruder_variant", "Direct Drive Standard");
-            child.set_deserialize_strict("filament_retract_before_wipe", "nil");
-            parent.update_diff_values_to_child_config(child, "", "filament_extruder_variant",
-                                                      Slic3r::filament_options_with_variant, no_keys);
-            THEN("its one value applies to every variant of that extruder, as slicing does") {
-                CHECK(parent.opt_serialize("filament_retract_before_wipe") == "nil,nil");
-            }
-        }
-    }
-}
-
-TEST_CASE("Every listed filament override is nullable", "[Config]")
-{
-    std::set<std::string> overrides(Slic3r::filament_extruder_override_keys.begin(), Slic3r::filament_extruder_override_keys.end());
-    overrides.insert({ "filament_retract_length_nc", "filament_ironing_flow", "filament_ironing_spacing", "filament_ironing_inset", "filament_ironing_speed" });
-    for (const auto &[key, def] : Slic3r::print_config_def.options) {
-        INFO(key);
-        CHECK(Slic3r::is_filament_extruder_override_key(key) == (overrides.count(key) == 1));
-        if (overrides.count(key) == 1)
-            CHECK(def.nullable);
-    }
-}

tests/libslic3r/test_ordering_strategies.cpp

@@ -1,6 +1,9 @@
 #include <catch2/catch_test_macros.hpp>
 #include <catch2/generators/catch_generators.hpp>
 #include <catch2/catch_all.hpp>
+#include <catch2/generators/catch_generators.hpp>
+#include <catch2/matchers/catch_matchers.hpp>
+#include <catch2/matchers/catch_matchers_floating_point.hpp>
 #include <vector>
 #include <cstddef>
 #include <math.h>
@@ -15,8 +18,11 @@
 #include "libslic3r/GCode/OrderingStrategies.hpp"
 #include "libslic3r/ShortestPath.hpp"
 #include "libslic3r/Geometry.hpp"
+#include "libslic3r/ShortestPath.hpp"
 
 #include <algorithm>
+#include <numeric>
+#include <random>
 #include <unordered_set>
 #include <numeric>
 #include <random>
@@ -51,6 +57,73 @@ static bool has_crossings(const std::vector<size_t>& path, const Points& centers
     return false;
 }
 
+// Intersecting edge pairs whose reversal would shorten the cycle by more than SCALED_EPSILON, which
+// tsp_remove_crossings must leave none of.
+static size_t count_shortening_crossings(const std::vector<size_t>& path, const Points& centers)
+{
+    size_t pn = path.size();
+    size_t count = 0;
+    for (size_t i = 0; i < pn; ++i) {
+        for (size_t j = i + 2; j < pn; ++j) {
+            if (i == 0 && j == pn - 1) continue;
+            const Point& ai = centers[path[i]];
+            const Point& bi = centers[path[(i + 1) % pn]];
+            const Point& aj = centers[path[j]];
+            const Point& bj = centers[path[(j + 1) % pn]];
+            if (Geometry::segments_intersect(ai, bi, aj, bj) &&
+                ai.distance_to(bi) + aj.distance_to(bj) - ai.distance_to(aj) - bi.distance_to(bj) > SCALED_EPSILON)
+                ++count;
+        }
+    }
+    return count;
+}
+
+// Exhaustive best-improvement 2-opt: each pass tests every pair of edges and applies the move with the largest
+// gain, the first (i, j) on a tie. tsp_2opt_improve must make the same moves.
+static bool exhaustive_2opt(std::vector<size_t>& path, const Points& centers, int max_passes)
+{
+    size_t pn = path.size();
+    if (pn <= 2) return false;
+    std::vector<double> el(pn), elsq(pn);
+    auto recompute = [&]() {
+        for (size_t i = 0; i < pn; ++i) {
+            el[i]   = (centers[path[i]].cast<double>() - centers[path[(i + 1) % pn]].cast<double>()).norm();
+            elsq[i] = (centers[path[i]].cast<double>() - centers[path[(i + 1) % pn]].cast<double>()).squaredNorm();
+        }
+    };
+    recompute();
+    bool improved = false;
+    for (int pass = 0; max_passes <= 0 || pass < max_passes; ++pass) {
+        size_t best_i = pn, best_j = pn;
+        double best_gain = 0;
+        for (size_t i = 0; i < pn; ++i) {
+            const Vec2d pi   = centers[path[i]].cast<double>();
+            const Vec2d p_in = centers[path[(i + 1) % pn]].cast<double>();
+            for (size_t j = i + 2; j < pn; ++j) {
+                size_t j_next = (j + 1) % pn;
+                if (i == 0 && j_next == 0) continue;
+                const Vec2d pj   = centers[path[j]].cast<double>();
+                const Vec2d p_jn = centers[path[j_next]].cast<double>();
+                double new_a_sq = (pj - pi).squaredNorm();
+                double new_b_sq = (p_jn - p_in).squaredNorm();
+                if (new_a_sq >= elsq[i] && new_b_sq >= elsq[j]) continue;
+                double new_a = std::sqrt(new_a_sq);
+                double new_b = std::sqrt(new_b_sq);
+                double gain = el[i] + el[j] - new_a - new_b;
+                if (gain > best_gain) {
+                    best_gain = gain;
+                    best_i = i; best_j = j;
+                }
+            }
+        }
+        if (best_i == pn) break;
+        improved = true;
+        std::reverse(path.begin() + best_i + 1, path.begin() + best_j + 1);
+        recompute();
+    }
+    return improved;
+}
+
 static bool is_permutation(const std::vector<size_t>& path, size_t n)
 {
     if (path.size() != n) return false;
@@ -122,6 +195,42 @@ TEST_CASE("tsp_2opt_improve reduces path length", "[TSPPostProcessing]") {
     CHECK(after <= before);
 }
 
+TEST_CASE("tsp_2opt_improve makes the same moves as an exhaustive best-improvement scan", "[TSPPostProcessing]") {
+    // 300 points in a 170000-unit square: random on a 1000-unit grid like island centroids snapped to 1 mm (many
+    // share a position or a line), random at full resolution, or a 20 x 15 lattice with a 1000-unit pitch, whose
+    // congruent cells give many moves exactly the same gain. The coordinates are small enough that every squared
+    // distance is an exact double, so both implementations compute bit-identical gains even where the compiler
+    // fuses multiply-adds. The tour is either the nearest-neighbour tour the island ordering starts from, or the
+    // input order, whose long edges make every radius query large. Both the default pass cap and an uncapped run
+    // to a 2-opt local optimum are compared.
+    enum class Layout { Snapped, Fine, Lattice };
+    const Layout layout  = GENERATE(Layout::Snapped, Layout::Fine, Layout::Lattice);
+    const bool nn_tour   = GENERATE(true, false);
+    const int max_passes = GENERATE(10, 0);
+    std::mt19937 rng(GENERATE(1u, 2u));
+    Points centers;
+    for (int i = 0; i < 300; ++i) {
+        if (layout == Layout::Lattice) {
+            centers.emplace_back(coord_t(i % 20) * 1000, coord_t(i / 20) * 1000);
+        } else {
+            const coord_t x = layout == Layout::Snapped ? coord_t(rng() % 171) * 1000 : coord_t(rng() % 170001);
+            const coord_t y = layout == Layout::Snapped ? coord_t(rng() % 171) * 1000 : coord_t(rng() % 170001);
+            centers.emplace_back(x, y);
+        }
+    }
+    std::vector<size_t> path(centers.size());
+    if (nn_tour)
+        path = chain_points(centers);
+    else
+        std::iota(path.begin(), path.end(), size_t(0));
+
+    std::vector<size_t> expected = path;
+    REQUIRE(exhaustive_2opt(expected, centers, max_passes));
+
+    CHECK(tsp_2opt_improve(path, centers, max_passes));
+    CHECK(path == expected);
+}
+
 TEST_CASE("tsp_remove_crossings eliminates crossings", "[TSPPostProcessing]") {
     Points centers = make_random_16();
     std::vector<size_t> path(centers.size());
@@ -136,6 +245,76 @@ TEST_CASE("tsp_remove_crossings eliminates crossings", "[TSPPostProcessing]") {
     REQUIRE(is_permutation(path, centers.size()));
 }
 
+TEST_CASE("tsp_remove_crossings leaves a tour alone when no reversal shortens it", "[TSPPostProcessing]") {
+    // Three points on a diagonal, the middle one doubled as island centroids snapped to the same 1 mm cell are,
+    // and a corner closing the tour. Edges 0-1 and 2-3 touch at the doubled point, and reversing between them
+    // only swaps the two copies.
+    Points centers;
+    centers.emplace_back(0, 0);
+    centers.emplace_back(3000000, 3000000);
+    centers.emplace_back(3000000, 3000000);
+    centers.emplace_back(6000000, 6000000);
+    centers.emplace_back(6000000, 0);
+    std::vector<size_t> path = {0, 1, 2, 3, 4};
+    REQUIRE(Geometry::segments_intersect(centers[0], centers[1], centers[2], centers[3]));
+
+    CHECK(!tsp_remove_crossings(path, centers));
+    CHECK(path == std::vector<size_t>{0, 1, 2, 3, 4});
+}
+
+TEST_CASE("tsp_remove_crossings keeps a crossing whose reversal gains less than SCALED_EPSILON", "[TSPPostProcessing]") {
+    // Two 100 mm edges crossing at a 10 nm offset: uncrossing them saves about 1e-6 scaled units of travel.
+    Points centers;
+    centers.emplace_back(0, 0);
+    centers.emplace_back(100000000, 10);
+    centers.emplace_back(100000000, 0);
+    centers.emplace_back(0, 10);
+    std::vector<size_t> path = {0, 1, 2, 3};
+    REQUIRE(Geometry::segments_intersect(centers[0], centers[1], centers[2], centers[3]));
+
+    CHECK(!tsp_remove_crossings(path, centers));
+    CHECK(path == std::vector<size_t>{0, 1, 2, 3});
+}
+
+TEST_CASE("tsp_remove_crossings reverses overlapping collinear edges when that shortens the tour", "[TSPPostProcessing]") {
+    // Points at x = 0, 3, 1 and 2 mm on one line. Tour 0-3-1-2 is 8 mm long, and its edges [0,3] and [1,2] overlap.
+    // The shortest tour through points on a line is twice their 3 mm span.
+    Points centers;
+    centers.emplace_back(0, 0);
+    centers.emplace_back(3000000, 0);
+    centers.emplace_back(1000000, 0);
+    centers.emplace_back(2000000, 0);
+    std::vector<size_t> path = {0, 1, 2, 3};
+    REQUIRE_THAT(tsp_cycle_path_length(path, centers), Catch::Matchers::WithinAbs(8000000., 1.));
+
+    CHECK(tsp_remove_crossings(path, centers));
+    REQUIRE(is_permutation(path, centers.size()));
+    CHECK_THAT(tsp_cycle_path_length(path, centers), Catch::Matchers::WithinAbs(6000000., 1.));
+}
+
+TEST_CASE("tsp_remove_crossings leaves no shortening crossing in a tour of thousands of grid-snapped points", "[TSPPostProcessing]") {
+    // 4000 island centroids on a 170 mm plate, snapped to 1 mm as GCode::process_layer does, so many of them share
+    // a position or a line. The nearest-neighbour tour the island ordering starts from has crossings to remove.
+    std::mt19937 rng(GENERATE(1u, 2u, 3u));
+    Points centers;
+    for (int i = 0; i < 4000; ++i) {
+        const double x = double(rng() % 171);
+        const double y = double(rng() % 171);
+        centers.push_back(Point::new_scale(x, y));
+    }
+    std::vector<size_t> path = chain_points(centers);
+    const size_t first = path.front();
+    const double length_before = tsp_cycle_path_length(path, centers);
+    REQUIRE(count_shortening_crossings(path, centers) > 0);
+
+    CHECK(tsp_remove_crossings(path, centers));
+    REQUIRE(is_permutation(path, centers.size()));
+    CHECK(count_shortening_crossings(path, centers) == 0);
+    CHECK(tsp_cycle_path_length(path, centers) < length_before);
+    // Callers that start the tour near a given point rely on the first node staying in place.
+    CHECK(path.front() == first);
+}
+
 
 
 TEST_CASE("tsp_rotate_minimize_closing shortens closing edge", "[TSPPostProcessing]") {

tests/libslic3r/test_preset_bundle_loading.cpp

@@ -8417,58 +8417,3 @@ TEST_CASE("An empty choice list in a G-code's settings keeps the value it had be
     CHECK(config.opt_serialize("nozzle_volume_type") == "High Flow");
     CHECK(config.option<ConfigOptionStrings>("filament_multi_colour")->values.empty());
 }
-
-TEST_CASE("A disabled filament override is saved and reloaded column by column", "[Preset][Bundle]")
-{
-    ScopedPresetDataDir data_dir;
-    PresetBundle        bundle;
-
-    Preset &parent = add_inmemory_preset(bundle.filaments, "Parent PLA @System");
-    parent.config.option<ConfigOptionStrings>("filament_extruder_variant", true)->values = { "Direct Drive Standard", "Direct Drive High Flow" };
-    parent.config.option<ConfigOptionPercentsNullable>("filament_retract_before_wipe", true)->values = { 100., 100. };
-    parent.config.option<ConfigOptionFloatsNullable>("filament_flow_ratio", true)->values = { 1., 1. };
-
-    // The child turns the override off on the first variant and changes a plain option on the second.
-    const fs::path file = data_dir.tmp.path() / PRESET_FILAMENT_NAME / "Child PLA.json";
-    Preset         child(Preset::TYPE_FILAMENT, "Child PLA");
-    child.file    = file.string();
-    child.version = *Semver::parse("1.0.0");
-    child.config  = parent.config;
-    child.config.option<ConfigOptionString>(BBL_JSON_KEY_INHERITS, true)->value = parent.name;
-    child.config.option<ConfigOptionPercentsNullable>("filament_retract_before_wipe")->set_at_to_nil(0);
-    child.config.option<ConfigOptionFloatsNullable>("filament_flow_ratio")->values = { 1., 1.1 };
-    REQUIRE(child.save(&parent.config));
-
-    // On disk the override keeps every column, so its nil can only mean "off"; a plain
-    // option still stores nil for the columns that match the parent.
-    DynamicPrintConfig                 saved;
-    std::map<std::string, std::string> key_values;
-    std::string                        reason;
-    saved.load_from_json(file.string(), ForwardCompatibilitySubstitutionRule::EnableSilent, key_values, reason);
-    REQUIRE(reason.empty());
-    CHECK(saved.opt_serialize("filament_retract_before_wipe") == "nil,100%");
-    CHECK(saved.opt_serialize("filament_flow_ratio") == "nil,1.1");
-
-    PresetsConfigSubstitutions substitutions;
-    bundle.filaments.load_presets(data_dir.tmp.path().string(), PRESET_FILAMENT_NAME, substitutions,
-                                  ForwardCompatibilitySubstitutionRule::EnableSilent);
-    const Preset *loaded = bundle.filaments.find_preset("Child PLA");
-    REQUIRE(loaded != nullptr);
-    CHECK(loaded->config.opt_serialize("filament_retract_before_wipe") == "nil,100%");
-    CHECK(loaded->config.opt_serialize("filament_flow_ratio") == "1,1.1");
-}
-
-TEST_CASE("The cloud diff force-emits a disabled override only where the cloud would fill a value in", "[Preset][Bundle]")
-{
-    PresetBundle bundle;
-    add_inmemory_preset(bundle.filaments, "Parent PLA @System");
-    Preset &child = add_inmemory_preset(bundle.filaments, "Child PLA", "Parent PLA @System");
-    // Every override is nil in both parent and child, so none is in the plain diff.
-    std::map<std::string, std::string> key_values;
-    REQUIRE(bundle.filaments.get_differed_values_to_update(child, key_values) >= 0);
-    // Retract Before Wipe defaults to 100%: an absent key would come back as 100%, so nil is sent.
-    CHECK(key_values.count("filament_retract_before_wipe") == 1);
-    CHECK(key_values["filament_retract_before_wipe"] == "nil");
-    // An ironing override defaults to nil: an absent key stays nil, so it is not sent.
-    CHECK(key_values.count("filament_ironing_flow") == 0);
-}

tests/slic3rutils/CMakeLists.txt

@@ -30,7 +30,6 @@ add_executable(${_TEST_NAME}_tests
     test_plugin_capabilities_in_use.cpp
     test_plugin_status.cpp
     test_printer_agent.cpp
-    test_qidi_printer_agent.cpp
     test_plugin_install.cpp
     test_plugin_lifecycle.cpp
     test_plugin_resource_texture.cpp

tests/slic3rutils/test_moonraker_printer_agent.cpp

@@ -53,7 +53,7 @@ public:
     mutable unsigned fetch_count = 0;
 
 protected:
-    bool fetch_device_info(const ConnectionSettings&, MoonrakerDeviceInfo& info, std::string&) const override
+    bool fetch_device_info(const std::string&, const std::string&, MoonrakerDeviceInfo& info, std::string&) const override
     {
         ++fetch_count;
         info.dev_name = "Test printer";
@@ -65,32 +65,21 @@ class StreamAgent : public MoonrakerPrinterAgent
 {
 public:
     using MoonrakerPrinterAgent::MoonrakerPrinterAgent;
+    using MoonrakerPrinterAgent::start_status_stream;
+    using MoonrakerPrinterAgent::stop_status_stream;
     using MoonrakerPrinterAgent::ws_timings;
 
-    // Starts the stream the way a connection does, from a snapshot of the connection settings.
-    void start_stream(const std::string& base_url, bool use_ssl = false)
-    {
-        const std::string dev_id = "printer";
-        ConnectionSettings connection;
-        connection.dev_id   = dev_id;
-        connection.base_url = base_url;
-        connection.use_ssl  = use_ssl;
-        start_status_stream(dev_id, std::move(connection));
-    }
-
-    void stop_stream() { stop_status_stream(); }
-
 protected:
-    bool init_device_info(const PrinterConnectionParams& params) override
+    bool init_device_info(
+        const std::string& dev_id, const std::string& dev_ip, const std::string&, const std::string&, bool, const std::string& port) override
     {
         device_info          = MoonrakerDeviceInfo{};
-        device_info.dev_id   = params.dev_id;
-        device_info.dev_ip   = params.host;
-        device_info.base_url = std::string(params.use_ssl ? "https://" : "http://") + params.host + ":" + params.port;
+        device_info.dev_id   = dev_id;
+        device_info.base_url = "http://" + dev_ip + ":" + port;
         return true;
     }
 
-    bool fetch_device_info(const ConnectionSettings&, MoonrakerDeviceInfo& info, std::string&) const override
+    bool fetch_device_info(const std::string&, const std::string&, MoonrakerDeviceInfo& info, std::string&) const override
     {
         info.dev_name = "Test printer";
         return true;
@@ -108,7 +97,6 @@ enum class Behavior {
     IgnoresClose,              // Reports Klippy disconnected, then never answers the close
     StallsObjectList,          // Never answers the stream's object list request
     StallsStatusQuery,         // Never answers HTTP requests until released, then hangs up on them
-    RejectsTls,                // Records the first byte of the stream, which a TLS client sends as a handshake
 };
 
 class FakePrinter
@@ -162,19 +150,6 @@ public:
         return m_close_frames;
     }
 
-    // First byte the stream sent, or -1 until it has sent one.
-    bool wait_for_first_byte()
-    {
-        std::unique_lock<std::mutex> lock(m_mutex);
-        return m_changed.wait_for(lock, 10s, [&] { return m_first_byte >= 0; });
-    }
-
-    int first_byte()
-    {
-        std::lock_guard<std::mutex> lock(m_mutex);
-        return m_first_byte;
-    }
-
     // The printer answers a close frame before its own read completes, so the agent's stop can return first.
     bool wait_for_close_frames(int count)
     {
@@ -214,20 +189,6 @@ private:
             return;
         }
 
-        if (m_behavior == Behavior::RejectsTls) {
-            char              first = 0;
-            beast::error_code ec;
-            socket.read_some(net::buffer(&first, 1), ec);
-            if (!ec) {
-                std::lock_guard<std::mutex> lock(m_mutex);
-                m_first_byte = static_cast<unsigned char>(first);
-                m_changed.notify_all();
-            }
-            mark_ready();
-            wait_for_release();
-            return;
-        }
-
         beast::flat_buffer buffer;
         http::request<http::string_body> request;
         beast::error_code ec;
@@ -382,7 +343,6 @@ private:
     int m_http_requests = 0;
     int m_http_hung_up  = 0;
     int m_close_frames  = 0;
-    int m_first_byte    = -1;
     bool m_released     = false;
 };
 
@@ -425,15 +385,12 @@ struct StreamFixture
     // Runs before the members are destroyed, so the agent's destructor never joins a stream the printer still holds open.
     ~StreamFixture() { printer.release(); }
 
-    void start() { agent.start_stream(printer.base_url()); }
-
-    // Runs the stream as a wss client; the printer must be served on the same port.
-    void start_secure() { agent.start_stream("https://" + printer.host() + ":" + printer.port(), true); }
+    void start() { agent.start_status_stream("printer", printer.base_url(), ""); }
 
     // Stops the stream, giving it `limit` to return before the printer hangs up on it.
     bool stops_within(std::chrono::milliseconds limit)
     {
-        auto stopped       = std::async(std::launch::async, [this] { agent.stop_stream(); });
+        auto stopped       = std::async(std::launch::async, [this] { agent.stop_status_stream(); });
         const bool in_time = stopped.wait_for(limit) == std::future_status::ready;
         printer.release();
         stopped.wait();
@@ -490,16 +447,6 @@ TEST_CASE("Stopping the status stream gives a silent printer no more than its ti
     CHECK(f.stops_within(limit));
 }
 
-TEST_CASE("A secure status stream opens with a TLS handshake", "[MoonrakerPrinterAgent][StatusStream]")
-{
-    StreamFixture f(Behavior::RejectsTls);
-    f.start_secure();
-    REQUIRE(f.printer.wait_for_first_byte());
-    // 0x16 is a TLS handshake record; a plaintext client would send "GET".
-    CHECK(f.printer.first_byte() == 0x16);
-    CHECK(f.stops_within(3s));
-}
-
 TEST_CASE("Stopping the status stream sends the printer a close frame", "[MoonrakerPrinterAgent][StatusStream]")
 {
     // A stop while the stream reads, and one while it waits on the object list request.
@@ -577,7 +524,7 @@ TEST_CASE("A callback on the stream thread can stop the status stream", "[Moonra
     StreamFixture f(Behavior::AnswersPings);
     f.agent.set_on_local_message_fn([&](std::string, std::string) {
         std::call_once(stopped_once, [&] {
-            f.agent.stop_stream();
+            f.agent.stop_status_stream();
             stopped.set_value();
         });
     });
@@ -635,12 +582,9 @@ TEST_CASE("A disconnect during the connection queries keeps the status stream fr
     f.agent.connect_printer(params);
     REQUIRE(f.printer.wait_for_http_requests(1));
 
-    // disconnect_printer joins the worker running the stalled query, so it is called aside and the
-    // printer is released to let that query return.
-    auto disconnecting = std::async(std::launch::async, [&] { f.agent.disconnect_printer(); });
+    f.agent.disconnect_printer();
     f.printer.release();
     // The query has returned once the printer hangs up on it, and a stream would connect right after.
     REQUIRE(f.printer.wait_for_http_hang_ups(1));
     CHECK_FALSE(f.printer.wait_for_ready_connections(1, 500ms));
-    disconnecting.wait();
 }

tests/slic3rutils/test_plugin_audit.cpp

@@ -1,48 +1,22 @@
 #include <boost/filesystem/path.hpp>
 #include <boost/filesystem/operations.hpp>
-#include <boost/system/error_code.hpp>
 #include <catch2/catch_all.hpp>
 
 #include <libslic3r/Utils.hpp>
 #include <libslic3r/libslic3r.h>         // GCODEVIEWER_APP_KEY, SLIC3R_APP_KEY (via libslic3r_version.h)
 #include <slic3r/plugin/PluginAuditManager.hpp>
-#include <slic3r/plugin/PluginFsUtils.hpp>
-#include <slic3r/plugin/PluginManager.hpp>
-#include <slic3r/plugin/PythonInterpreter.hpp>
-#include <slic3r/plugin/PythonPluginBridge.hpp>
-#include <slic3r/plugin/PythonPluginInterface.hpp>
-#include <slic3r/Utils/IPrinterAgent.hpp>
 #include <slic3r/Utils/OrcaCloudServiceAgent.hpp> // secret_constants::USER_SECRET_FILENAME
 
-#include <catch2/catch_message.hpp>
 #include <catch2/catch_test_macros.hpp>
-#include <catch2/matchers/catch_matchers.hpp>
-#include <catch2/matchers/catch_matchers_string.hpp>
 #include "libslic3r_version.h"
 #include "plugin_test_utils.hpp"
-#include "test_utils.hpp"
 
 #include <boost/filesystem.hpp>
-#include <nlohmann/json.hpp>
-#include <pybind11/cast.h>
-#include <pybind11/embed.h>
-#include <pybind11/eval.h>
-#include <pybind11/gil.h>
-#include <pybind11/pybind11.h>
-#include <pybind11/pytypes.h>
-#include <pybind11/stl.h>
 
-#include <fstream>
-#include <functional>
-#include <ios>
-#include <memory>
 #include <string>
-#include <utility>
-#include <vector>
 
 using namespace Slic3r;
 namespace fs = boost::filesystem;
-namespace py = pybind11;
 
 namespace {
 
@@ -375,747 +349,3 @@ TEST_CASE("Plugin audit a scoped root can also be registered read-only", "[audit
         CHECK_FALSE(mgr.check_open((readonly_dir / "vendor.json").string(), "w").allowed);
     }
 }
-
-// ---------------------------------------------------------------------------
-// The audit hook, run in the embedded interpreter
-// ---------------------------------------------------------------------------
-//
-// Each TEST_CASE runs in its own process (catch_discover_tests), so each brings the plugin system
-// up with the audit hook installed, once, and shuts it down at the end. The tests loop over their
-// cases instead of using SECTIONs, which would restart the interpreter for every section.
-
-namespace {
-
-// Discovered, never loaded: the hook only needs the plugin's root and its sidecar.
-const char* const AUDIT_PLUGIN_SOURCE = R"PY(# /// script
-# requires-python = ">=3.12"
-#
-# [tool.orcaslicer.plugin]
-# name = "Audit Plugin"
-# description = "Plugin audit hook fixture"
-# author = "OrcaSlicer"
-# version = "1.0"
-# type = "script"
-# ///
-)PY";
-
-// A third-party library, installed outside the stdlib and outside the plugin.
-const char* const LIBRARY_SOURCE = R"PY(
-import socket
-import urllib.request
-
-def read_all(paths):
-    for path in paths:
-        with open(path) as f:
-            f.read()
-
-def connect_from_host(port):
-    socket.gethostname()
-    socket.create_connection(("127.0.0.1", port)).close()
-
-def fetch(url):
-    with urllib.request.urlopen(url) as response:
-        return response.read()
-
-def fetch_each(urls):
-    for url in urls:
-        yield fetch(url)
-
-class ReadingHandler(urllib.request.BaseHandler):
-    """Reads a file while each response is processed."""
-    def __init__(self, path):
-        self.path = path
-        self.outcome = None
-
-    def http_response(self, request, response):
-        try:
-            open(self.path).close()
-            self.outcome = "ok"
-        except PermissionError:
-            self.outcome = "denied"
-        return response
-)PY";
-
-// Test-side Python, run outside any plugin context: files outside every allowed root, a local
-// HTTP server, the library, and every module the tests use imported up front, so that no import
-// happens inside a plugin context. Code from exec() runs as "<string>", which is not stdlib, so
-// attempt() and fetch() stand in for plugin code.
-const char* const AUDIT_SETUP = R"PY(
-import http.client, http.server, os, pathlib, shutil, socket, subprocess, sys, tempfile, threading
-import urllib.request, zipfile
-if os.name != "nt":
-    import pty
-
-APPROVED = os.path.join(OUTSIDE, "approved.txt")
-PRIVATE = os.path.join(OUTSIDE, "private.txt")
-MISSING = os.path.join(OUTSIDE, "missing")
-TREE = os.path.join(OUTSIDE, "tree")
-TRUE_COMMAND = ["cmd", "/c", "exit 0"] if os.name == "nt" else ["true"]
-for path in (APPROVED, PRIVATE):
-    with open(path, "w") as f:
-        f.write("x")
-for sub in ("one", "two"):
-    os.makedirs(os.path.join(TREE, sub))
-    with open(os.path.join(TREE, sub, "f.txt"), "w") as f:
-        f.write("x")
-
-LIBRARY = os.path.join(OUTSIDE, "library")
-os.makedirs(LIBRARY)
-with open(os.path.join(LIBRARY, "netlib.py"), "w") as f:
-    f.write(LIBRARY_SOURCE)
-sys.path.insert(0, LIBRARY)
-import netlib
-
-class Handler(http.server.BaseHTTPRequestHandler):
-    def do_GET(self):
-        if self.path == "/redirect":
-            self.send_response(302)
-            self.send_header("Location", URL_B)
-            body = b""
-        else:
-            self.send_response(200)
-            body = b"ok"
-        self.send_header("Content-Length", str(len(body)))
-        self.end_headers()
-        self.wfile.write(body)
-
-    def log_message(self, *args):
-        pass
-
-server = http.server.ThreadingHTTPServer(("127.0.0.1", 0), Handler)
-threading.Thread(target=server.serve_forever, daemon=True).start()
-PORT = server.server_address[1]
-BASE = "http://127.0.0.1:%d" % PORT
-URL_A, URL_B, URL_REDIRECT = BASE + "/a", BASE + "/b", BASE + "/redirect"
-urllib.request.install_opener(urllib.request.build_opener(urllib.request.ProxyHandler({})))
-
-def fetch(url):
-    with urllib.request.urlopen(url) as response:
-        return response.read()
-
-fetch(URL_A)  # urllib imports some modules on its first request
-
-def attempt(action):
-    try:
-        action()
-        return "ok"
-    except PermissionError:
-        return "denied"
-
-def spawn_checked(argv):
-    parent = os.getpid()
-    try:
-        return pty.spawn(argv)
-    finally:
-        if os.getpid() != parent:
-            os._exit(1)  # a child whose exec was refused must not go on running the tests
-
-finalizer_outcomes = []
-
-class TrackedRequest(urllib.request.Request):
-    def __del__(self):
-        finalizer_outcomes.append(attempt(lambda: open(PRIVATE).close()))
-)PY";
-
-struct Prompt
-{
-    std::string              plugin;
-    std::string              event;
-    std::vector<std::string> targets;
-};
-
-// One line per prompt, "event: target ...", so a failed check shows every prompt.
-std::string describe(const std::vector<Prompt>& prompts)
-{
-    std::string text;
-    for (const Prompt& prompt : prompts) {
-        text += prompt.event + ":";
-        for (const std::string& target : prompt.targets)
-            text += " " + target;
-        text += "\n";
-    }
-    return text;
-}
-
-// The plugin system with the audit hook installed, and the permission dialog replaced by a
-// recorder that answers with `approve`. Declare it first in a test, so it is destroyed last.
-struct AuditHarness
-{
-    // Before initialize(): the interpreter creates {data_dir}/python/packages and {data_dir}/log.
-    // data_dir() is a global allowed root from then on, so the test files live in `outside`.
-    ScopedDataDir                      data{"plugin-audit-hook"};
-    bool                               initialized = PluginManager::instance().initialize();
-    ScopedTemporaryDir                 outside{"orca-plugin-audit-outside"};
-    std::vector<Prompt>                prompts;
-    std::function<bool(const Prompt&)> approve = [](const Prompt&) { return false; };
-
-    AuditHarness()
-    {
-        PluginAuditManager::set_permission_prompt_for_testing(
-            [this](const std::string& event, const std::vector<std::string>& targets) {
-                prompts.push_back({PluginAuditManager::instance().current_plugin(), event, targets});
-                return approve(prompts.back());
-            });
-    }
-
-    ~AuditHarness()
-    {
-        PluginAuditManager::set_permission_prompt_for_testing(nullptr);
-        PluginManager::instance().shutdown();
-        PythonInterpreter::instance().shutdown();
-    }
-
-    // Call before taking the GIL: discovery is not Python work.
-    void add_plugin(const std::string& key)
-    {
-        const fs::path root = data.plugins_dir() / key;
-        fs::create_directories(root);
-        std::ofstream((root / (key + ".py")).string(), std::ios::binary) << AUDIT_PLUGIN_SOURCE;
-        save_permissions(key, {});
-        PluginManager::instance().discover_plugins(/*async=*/false, /*clear=*/true);
-    }
-
-    // Grants as if saved in an earlier session.
-    void save_permissions(const std::string& key, const PluginPermissions& permissions)
-    {
-        PluginInstallState state;
-        state.installed_from    = "local";
-        state.installed_version = "1.0";
-        state.plugin_name       = key;
-        state.permissions       = permissions;
-        REQUIRE(write_install_state(data.plugins_dir() / key, state));
-    }
-
-    PluginPermissions saved_permissions(const std::string& key) const
-    {
-        PluginInstallState state;
-        read_install_state(data.plugins_dir() / key, state);
-        return state.permissions;
-    }
-};
-
-// The test-side Python globals. Construct and destroy it with the GIL held; it stops the HTTP
-// server before the interpreter shuts down.
-struct PythonSide
-{
-    py::dict globals;
-
-    explicit PythonSide(const AuditHarness& harness)
-    {
-        globals["OUTSIDE"]        = harness.outside.path().string();
-        globals["LIBRARY_SOURCE"] = LIBRARY_SOURCE;
-        exec(AUDIT_SETUP);
-    }
-
-    // A Python error fails the test here, as text: an error_already_set left to propagate would
-    // outlive the interpreter the harness shuts down.
-    void exec(const char* code)
-    {
-        std::string error;
-        try {
-            py::exec(code, globals);
-        } catch (py::error_already_set& raised) {
-            error = raised.what();
-        }
-        if (!error.empty())
-            FAIL(error);
-    }
-
-    ~PythonSide()
-    {
-        try {
-            globals["server"].attr("shutdown")();
-            globals["server"].attr("server_close")();
-        } catch (...) {
-        }
-    }
-
-    std::string              str(const char* name) const { return py::str(globals[name]).cast<std::string>(); }
-    std::string              eval(const char* expression) const { return py::str(py::eval(expression, globals)).cast<std::string>(); }
-    std::vector<std::string> strings(const char* name) const { return globals[name].cast<std::vector<std::string>>(); }
-
-    // Runs `code` as `plugin_key`, as a trampoline call does: inside the caller's GIL, in an
-    // audit scope of its own.
-    void run_as(const std::string& plugin_key, const char* code)
-    {
-        ScopedPluginAuditContext audit(plugin_key);
-        exec(code);
-    }
-};
-
-PluginPermissions http_grants(std::vector<std::string> urls)
-{
-    PluginPermissions permissions;
-    permissions.network_http = std::move(urls);
-    return permissions;
-}
-
-const char* const PLUGIN = "AuditPlugin";
-
-} // namespace
-
-TEST_CASE("A saved request grant covers the request's own connection in a later session", "[audit][Python]")
-{
-    AuditHarness harness;
-    if (!harness.initialized)
-        SKIP("Bundled Python interpreter unavailable: " + PythonInterpreter::instance().last_error());
-    harness.add_plugin(PLUGIN);
-    py::gil_scoped_acquire gil;
-    PythonSide python(harness);
-    harness.save_permissions(PLUGIN, http_grants({python.str("URL_A")}));
-
-    python.run_as(PLUGIN, "outcome = attempt(lambda: fetch(URL_A))");
-
-    CHECK(python.str("outcome") == "ok");
-    CHECK(describe(harness.prompts).empty());
-}
-
-TEST_CASE("A saved request grant does not cover another URL or a redirect", "[audit][Python]")
-{
-    AuditHarness harness;
-    if (!harness.initialized)
-        SKIP("Bundled Python interpreter unavailable: " + PythonInterpreter::instance().last_error());
-    harness.add_plugin(PLUGIN);
-    py::gil_scoped_acquire gil;
-    PythonSide python(harness);
-    harness.save_permissions(PLUGIN, http_grants({python.str("URL_A"), python.str("URL_REDIRECT")}));
-
-    python.run_as(PLUGIN, R"PY(
-outcomes = [attempt(lambda: fetch(url)) for url in (URL_A, URL_B, URL_REDIRECT)]
-outcomes += [attempt(lambda: netlib.fetch(url)) for url in (URL_A, URL_B)]
-outcomes.append(attempt(lambda: list(netlib.fetch_each([URL_A, URL_B]))))
-)PY");
-
-    // The redirect target is asked for inside the approved redirecting request, and a library's
-    // wrapper or generator asks for the second URL as plain code does.
-    CHECK(python.strings("outcomes") == std::vector<std::string>{"ok", "denied", "denied", "ok", "denied", "denied"});
-    const std::string url_b = "urllib.Request: " + python.str("URL_B") + "\n";
-    CHECK(describe(harness.prompts) == url_b + url_b + url_b + url_b);
-}
-
-TEST_CASE("Code an approved operation calls back into is judged on its own", "[audit][Python]")
-{
-    AuditHarness harness;
-    if (!harness.initialized)
-        SKIP("Bundled Python interpreter unavailable: " + PythonInterpreter::instance().last_error());
-    harness.add_plugin(PLUGIN);
-    py::gil_scoped_acquire gil;
-    PythonSide python(harness);
-    python.exec(R"PY(
-CALLBACK_COPY = os.path.join(OUTSIDE, "callback-copy")
-handler = netlib.ReadingHandler(PRIVATE)
-handler_opener = urllib.request.build_opener(urllib.request.ProxyHandler({}), handler)
-walk_outcomes = []
-copy_outcomes = []
-
-def on_walk_error(error):
-    walk_outcomes.append(attempt(lambda: open(PRIVATE).close()))
-
-def copy_file(source, destination):
-    copy_outcomes.append(attempt(lambda: open(PRIVATE).close()))
-)PY");
-    PluginPermissions permissions = http_grants({python.str("URL_A")});
-    permissions.fs_read           = {python.str("APPROVED"), python.str("MISSING")};
-    permissions.fs_readwrite      = {python.str("TREE"), python.str("CALLBACK_COPY")};
-    harness.save_permissions(PLUGIN, permissions);
-
-    // A library handler that urllib calls while the approved request runs, the plugin's own
-    // os.walk error callback and copytree copy function (called once per file), and a library
-    // loop over a saved file and an unsaved one.
-    python.run_as(PLUGIN, R"PY(
-request_outcome = attempt(lambda: handler_opener.open(URL_A).read())
-for _ in os.walk(MISSING, onerror=on_walk_error):
-    pass
-shutil.copytree(TREE, CALLBACK_COPY, copy_function=copy_file)
-loop_outcome = attempt(lambda: netlib.read_all([APPROVED, PRIVATE]))
-)PY");
-
-    CHECK(python.str("request_outcome") == "ok");
-    CHECK(python.eval("handler.outcome") == "denied");
-    CHECK(python.strings("walk_outcomes") == std::vector<std::string>{"denied"});
-    CHECK(python.strings("copy_outcomes") == std::vector<std::string>{"denied", "denied"});
-    CHECK(python.str("loop_outcome") == "denied");
-    const std::string private_file = "open: " + python.str("PRIVATE") + "\n";
-    CHECK(describe(harness.prompts) == private_file + private_file + private_file + private_file + private_file);
-}
-
-TEST_CASE("A saved directory walk covers each directory it lists", "[audit][Python]")
-{
-    AuditHarness harness;
-    if (!harness.initialized)
-        SKIP("Bundled Python interpreter unavailable: " + PythonInterpreter::instance().last_error());
-    harness.add_plugin(PLUGIN);
-    py::gil_scoped_acquire gil;
-    PythonSide python(harness);
-    PluginPermissions permissions;
-    permissions.fs_read = {python.str("TREE"), python.str("APPROVED")};
-    harness.save_permissions(PLUGIN, permissions);
-
-    // The walk lists the tree's two subdirectories on later resumes, after the plugin's own
-    // audited reads in between. Abandoned walks leave frames whose generator is gone, which the
-    // next audited event lets go.
-    python.run_as(PLUGIN, R"PY(
-walked = []
-for root, dirs, files in os.walk(TREE):
-    walked.append(root)
-    open(APPROVED).close()
-globbed = list(pathlib.Path(TREE).glob("**/*"))
-
-abandoned = os.walk(TREE)
-next(abandoned)
-del abandoned
-open(APPROVED).close()
-for _ in pathlib.Path(TREE).glob("*"):
-    break
-open(APPROVED).close()
-)PY");
-
-    CHECK(py::len(python.globals["walked"]) == 3);
-    CHECK(py::len(python.globals["globbed"]) == 4);
-    CHECK(describe(harness.prompts).empty());
-}
-
-TEST_CASE("A freshly approved operation covers its nested events", "[audit][Python]")
-{
-    AuditHarness harness;
-    if (!harness.initialized)
-        SKIP("Bundled Python interpreter unavailable: " + PythonInterpreter::instance().last_error());
-    harness.add_plugin(PLUGIN);
-    py::gil_scoped_acquire gil;
-    PythonSide python(harness);
-
-    struct Case
-    {
-        const char* prompts;
-        const char* code;
-    };
-    // Each operation names targets no earlier one saved, so each is asked once. FsCreate and
-    // FsDelete grants are never saved, so those operations are asked every time. Only the
-    // expected prompts are approved, so a nested event left uncovered fails the operation.
-    std::vector<Case> cases = {
-        {"shutil.copytree", "shutil.copytree(TREE, os.path.join(OUTSIDE, 'copy'))"},
-        {"shutil.copyfile", "shutil.copyfile(APPROVED, os.path.join(OUTSIDE, 'copied.txt'))"},
-        {"shutil.move", "shutil.move(os.path.join(OUTSIDE, 'copied.txt'), os.path.join(OUTSIDE, 'moved.txt'))"},
-        {"shutil.copystat", "shutil.copystat(os.path.join(TREE, 'one', 'f.txt'), PRIVATE)"},
-        {"shutil.make_archive", "shutil.make_archive(os.path.join(OUTSIDE, 'archive'), 'zip', root_dir=TREE)"},
-        {"shutil.unpack_archive", "shutil.unpack_archive(os.path.join(OUTSIDE, 'archive.zip'), os.path.join(OUTSIDE, 'unpacked'))"},
-        {"pathlib.Path.glob", "list(pathlib.Path(TREE).glob('**/*'))"},
-        {"subprocess.Popen", "subprocess.run(TRUE_COMMAND, check=True)"},
-        {"tempfile.mkdtemp", "tempfile.mkdtemp(dir=OUTSIDE)"},
-        {"tempfile.mkstemp", "os.close(tempfile.mkstemp(dir=OUTSIDE)[0])"},
-        {"shutil.rmtree", "shutil.rmtree(os.path.join(OUTSIDE, 'copy'))"},
-        // send() runs after connect() has returned, so its own grant is asked once.
-        {"http.client.connect\nhttp.client.send",
-         "connection = http.client.HTTPConnection('127.0.0.1', PORT)\n"
-         "connection.request('GET', '/a')\n"
-         "connection.getresponse().read()\n"
-         "connection.close()"},
-    };
-#ifndef _WIN32
-    cases.push_back({"os.fwalk", "list(os.fwalk(os.path.join(OUTSIDE, 'unpacked')))"});
-    // The forked child's exec is covered by the spawn too: had it prompted, the child's own
-    // denial would end it with status 1.
-    cases.push_back({"pty.spawn", "spawn_status = spawn_checked(TRUE_COMMAND + ['spawned'])"});
-#endif
-
-    for (const Case& operation : cases) {
-        INFO(operation.code);
-        const std::string expected = std::string(operation.prompts) + "\n";
-        harness.approve = [&expected](const Prompt& prompt) {
-            return expected.find(prompt.event + "\n") != std::string::npos;
-        };
-        harness.prompts.clear();
-        python.run_as(PLUGIN, operation.code);
-
-        std::string asked;
-        for (const Prompt& prompt : harness.prompts)
-            asked += (asked.empty() ? "" : "\n") + prompt.event;
-        CHECK(asked == operation.prompts);
-    }
-#ifndef _WIN32
-    CHECK(python.eval("spawn_status") == "0");
-#endif
-}
-
-TEST_CASE("An event with no target is granted by name and remembered", "[audit][Python]")
-{
-    AuditHarness harness;
-    if (!harness.initialized)
-        SKIP("Bundled Python interpreter unavailable: " + PythonInterpreter::instance().last_error());
-    harness.add_plugin(PLUGIN);
-    harness.approve = [](const Prompt& prompt) { return prompt.event != "socket.sendto"; };
-    py::gil_scoped_acquire gil;
-    PythonSide python(harness);
-
-    python.run_as(PLUGIN, R"PY(
-socket.socket().close()
-udp = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
-sendto_outcome = attempt(lambda: udp.sendto(b"x", ("127.0.0.1", 9)))
-udp.close()
-)PY");
-
-    // The socket is asked for once, without a target to show; the datagram's address is a target.
-    CHECK(python.str("sendto_outcome") == "denied");
-    CHECK(describe(harness.prompts) == "socket.__new__:\nsocket.sendto: ('127.0.0.1', 9)\n");
-    CHECK(harness.saved_permissions(PLUGIN).events == std::vector<std::string>{"Socket:socket.__new__"});
-    CHECK(harness.saved_permissions(PLUGIN).network_socket.empty());
-
-    harness.prompts.clear();
-    python.run_as(PLUGIN, "socket.socket().close()");
-    CHECK(describe(harness.prompts).empty());
-
-    // A grant for an event with no target covers nothing else: a library's approved
-    // gethostname() does not carry the connection it makes next.
-    harness.approve = [](const Prompt& prompt) { return prompt.event == "socket.gethostname"; };
-    python.run_as(PLUGIN, "connect_outcome = attempt(lambda: netlib.connect_from_host(PORT))");
-    CHECK(python.str("connect_outcome") == "denied");
-    CHECK(describe(harness.prompts) == "socket.gethostname:\nsocket.getaddrinfo: 127.0.0.1\n");
-    harness.prompts.clear();
-    harness.approve = [](const Prompt&) { return true; };
-
-#ifndef _WIN32
-    // sendmsg() without an address names no target either.
-    python.run_as(PLUGIN, R"PY(
-left, right = socket.socketpair()
-left.sendmsg([b"x"])
-left.close()
-right.close()
-)PY");
-    CHECK(describe(harness.prompts) == "socket.sendmsg:\n");
-    CHECK(harness.saved_permissions(PLUGIN).events ==
-          std::vector<std::string>{"Socket:socket.__new__", "Socket:socket.gethostname", "Socket:socket.sendmsg"});
-#endif
-}
-
-TEST_CASE("An event grant does not stand in for another access or a target of the same name", "[audit][Python]")
-{
-    AuditHarness harness;
-    if (!harness.initialized)
-        SKIP("Bundled Python interpreter unavailable: " + PythonInterpreter::instance().last_error());
-    harness.add_plugin(PLUGIN);
-    harness.approve = [asked = 0](const Prompt&) mutable { return asked++ == 0; };
-    py::gil_scoped_acquire gil;
-    PythonSide python(harness);
-    python.exec(R"PY(
-READ_FD = os.open(APPROVED, os.O_RDONLY)
-WRITE_FD = os.open(os.path.join(OUTSIDE, "scratch.txt"), os.O_WRONLY | os.O_CREAT)
-)PY");
-
-    // A file descriptor has no path to show or save: a granted read of one is not a write.
-    python.run_as(PLUGIN, R"PY(
-fd_outcomes = [attempt(lambda: open(READ_FD, "r", closefd=False).close()),
-               attempt(lambda: open(WRITE_FD, "w", closefd=False).close())]
-)PY");
-    CHECK(python.strings("fd_outcomes") == std::vector<std::string>{"ok", "denied"});
-    CHECK(describe(harness.prompts) == "open:\nopen:\n");
-    CHECK(harness.saved_permissions(PLUGIN).events == std::vector<std::string>{"FsRead:open"});
-
-    // A saved os.fork event grant is not an os.system command named "os.fork".
-    PluginPermissions permissions;
-    permissions.events = {"FsRead:open", "ProcessCreate:os.fork"};
-    harness.save_permissions(PLUGIN, permissions);
-    harness.prompts.clear();
-    python.run_as(PLUGIN, R"PY(
-reread_outcome = attempt(lambda: open(READ_FD, "r", closefd=False).close())
-system_outcome = attempt(lambda: os.system("os.fork"))
-os.close(READ_FD)
-os.close(WRITE_FD)
-)PY");
-    CHECK(python.str("reread_outcome") == "ok");
-    CHECK(python.str("system_outcome") == "denied");
-    REQUIRE(harness.prompts.size() == 1);
-    CHECK(harness.prompts.front().event == "os.system");
-    CHECK(harness.saved_permissions(PLUGIN).process.empty());
-}
-
-TEST_CASE("A finalizer run when a root frame is let go is judged as the plugin without a prompt", "[audit][Python]")
-{
-    AuditHarness harness;
-    if (!harness.initialized)
-        SKIP("Bundled Python interpreter unavailable: " + PythonInterpreter::instance().last_error());
-    harness.add_plugin(PLUGIN);
-    py::gil_scoped_acquire gil;
-    PythonSide python(harness);
-    PluginPermissions permissions = http_grants({python.str("URL_A")});
-    permissions.fs_read           = {python.str("APPROVED")};
-    harness.save_permissions(PLUGIN, permissions);
-    PluginAuditManager& mgr = PluginAuditManager::instance();
-
-    // Once the request returns, only its held frame keeps the request object alive, and the
-    // request's finalizer reads a file the plugin was never granted.
-    python.run_as(PLUGIN, "fetch(TrackedRequest(URL_A))");
-    CHECK(python.strings("finalizer_outcomes") == std::vector<std::string>{"denied"}); // at scope end
-    CHECK(describe(harness.prompts).empty());
-    CHECK_FALSE(mgr.audit_denial_pending());
-
-    python.exec("finalizer_outcomes.clear()");
-    python.run_as(PLUGIN, R"PY(
-fetch(TrackedRequest(URL_A))
-open(APPROVED).close()  # the next event lets the returned request's frame go
-outcomes_before_scope_end = list(finalizer_outcomes)
-)PY");
-    CHECK(python.strings("outcomes_before_scope_end") == std::vector<std::string>{"denied"});
-    CHECK(describe(harness.prompts).empty());
-
-    // The finalizer's denial during another event's decision leaves that event's own denial intact.
-    python.exec("finalizer_outcomes.clear()");
-    python.run_as(PLUGIN, R"PY(
-fetch(TrackedRequest(URL_A))
-try:
-    os.listdir(OUTSIDE)
-    outer_error = ""
-except PermissionError as error:
-    outer_error = str(error)
-)PY");
-    CHECK(python.strings("finalizer_outcomes") == std::vector<std::string>{"denied"});
-    CHECK_THAT(python.str("outer_error"), Catch::Matchers::ContainsSubstring("os.listdir"));
-    CHECK(describe(harness.prompts) == "os.listdir: " + python.str("OUTSIDE") + "\n");
-    AuditViolation violation;
-    REQUIRE(mgr.last_violation(violation));
-    CHECK(violation.event_name == "os.listdir");
-    CHECK(mgr.audit_denial_pending());
-}
-
-TEST_CASE("A nested audit scope does not see the outer scope's running operations", "[audit][Python]")
-{
-    AuditHarness harness;
-    if (!harness.initialized)
-        SKIP("Bundled Python interpreter unavailable: " + PythonInterpreter::instance().last_error());
-    harness.add_plugin("PluginA");
-    harness.add_plugin("PluginB");
-    py::gil_scoped_acquire gil;
-    PythonSide python(harness);
-    PluginPermissions permissions;
-    permissions.fs_read = {python.str("TREE")};
-    harness.save_permissions("PluginA", permissions);
-
-    {
-        // Two walks plugin A started and suspended after listing the tree itself.
-        ScopedPluginAuditContext plugin_a("PluginA");
-        python.exec("first = os.walk(TREE)\nnext(first)\nsecond = os.walk(TREE)\nnext(second)");
-        {
-            // Plugin B resuming one of them is asked for each subdirectory, as plugin B.
-            ScopedPluginAuditContext plugin_b("PluginB");
-            python.exec("listed_by_b = len(list(first))");
-        }
-        // Back in plugin A's scope, its walks are covered again.
-        python.exec("listed_by_a = len(list(second))");
-    }
-
-    CHECK(python.globals["listed_by_b"].cast<int>() == 0);
-    CHECK(python.globals["listed_by_a"].cast<int>() == 2);
-    REQUIRE(harness.prompts.size() == 2);
-    for (const Prompt& prompt : harness.prompts) {
-        CHECK(prompt.plugin == "PluginB");
-        CHECK(prompt.event == "os.scandir");
-    }
-}
-
-TEST_CASE("Root frames held when a capability call ends are let go with the GIL, as the plugin", "[audit][Python]")
-{
-    AuditHarness harness;
-    if (!harness.initialized)
-        SKIP("Bundled Python interpreter unavailable: " + PythonInterpreter::instance().last_error());
-    harness.approve = [](const Prompt& prompt) { return prompt.event == "os.walk"; };
-    py::gil_scoped_acquire gil;
-    PythonSide python(harness);
-    (void) PythonPluginBridge::instance(); // force the embedded module registration into the binary
-    python.globals["orca"] = py::module_::import("orca");
-
-    // walk_and_drop() leaves a returned walk's frame held by the audit scope alone, with a marker
-    // in its locals; the frame is let go when the capability call ends, which runs the marker's
-    // finalizer.
-    python.exec(R"PY(
-class Marker:
-    def __init__(self, action=None):
-        self.action = action
-    def __del__(self):
-        finalized.append(self.action() if self.action else "ran")
-
-finalized = []
-
-def walk_and_drop(marker):
-    walker = os.walk(TREE, onerror=marker)
-    next(walker)
-    del walker
-
-class ConfigCapability(orca.PythonPluginBase):
-    def get_name(self):
-        return "config_cap"
-    def get_default_config(self):
-        walk_and_drop(Marker())
-        return {"finalized_during_call": len(finalized)}
-    def has_config_ui(self):
-        walker = os.walk(TREE, onerror=Marker(lambda: attempt(lambda: open(PRIVATE).close())))
-        next(walker)
-        attempt(lambda: os.listdir(OUTSIDE))  # denied: the trampoline clears the plugin key
-        del walker  # the walk's frame is now held by the audit scope alone
-        raise RuntimeError("the capability fails after a denial")
-
-class TicketAgent(orca.printer_agent.PrinterAgentBase):
-    def get_name(self):
-        return "ticket_agent"
-    def request_bind_ticket(self):
-        walk_and_drop(Marker())
-        return (0, "ticket")
-)PY");
-
-    py::object config_instance = python.globals["ConfigCapability"]();
-    auto       config_cap      = config_instance.cast<std::shared_ptr<PluginCapabilityInterface>>();
-    config_cap->set_audit_plugin_key("GilPlugin");
-    config_cap->set_resolved_identity("config_cap", PluginCapabilityType::Script);
-
-    py::object agent_instance = python.globals["TicketAgent"]();
-    auto       agent_cap      = agent_instance.cast<std::shared_ptr<PluginCapabilityInterface>>();
-    agent_cap->set_audit_plugin_key("GilPlugin");
-    agent_cap->set_resolved_identity("ticket_agent", PluginCapabilityType::PrinterConnection);
-    auto agent = std::dynamic_pointer_cast<IPrinterAgent>(agent_cap);
-    REQUIRE(agent);
-
-    // A host call arrives without the GIL; both calls take it before their audit scope.
-    nlohmann::json config;
-    int            ticket_result = -1;
-    std::string    ticket;
-    {
-        py::gil_scoped_release released;
-        config        = config_cap->get_default_config();
-        ticket_result = agent->request_bind_ticket(&ticket);
-    }
-    CHECK(config == nlohmann::json{{"finalized_during_call", 0}});
-    CHECK(ticket_result == 0);
-    CHECK(ticket == "ticket");
-    CHECK(python.strings("finalized") == std::vector<std::string>{"ran", "ran"});
-
-    // On the trampoline's denial path the frame is let go as the plugin, though the ambient key
-    // was cleared: the finalizer's read is audited and denied without a prompt.
-    python.exec("finalized.clear()");
-    harness.prompts.clear();
-    CHECK_THROWS_AS(config_cap->has_config_ui(), py::error_already_set);
-    CHECK(python.strings("finalized") == std::vector<std::string>{"denied"});
-    CHECK(describe(harness.prompts) == "os.walk: " + python.str("TREE") + "\nos.listdir: " + python.str("OUTSIDE") + "\n");
-}
-
-TEST_CASE("Stdlib code is recognized through a symlinked Python home", "[audit][Python]")
-{
-    AuditHarness harness;
-    if (!harness.initialized)
-        SKIP("Bundled Python interpreter unavailable: " + PythonInterpreter::instance().last_error());
-    py::gil_scoped_acquire gil;
-
-    const py::dict paths   = py::module_::import("sysconfig").attr("get_paths")();
-    const fs::path stdlib  = py::str(paths["stdlib"]).cast<std::string>();
-    const fs::path purelib = py::str(paths["purelib"]).cast<std::string>();
-    const fs::path link    = harness.outside.path() / "linked-stdlib";
-    boost::system::error_code ec;
-    fs::create_directory_symlink(stdlib, link, ec);
-    if (ec)
-        SKIP("Cannot create a directory symlink here: " + ec.message());
-
-    CHECK(PluginAuditManager::is_stdlib_file((stdlib / "os.py").string()));
-    CHECK(PluginAuditManager::is_stdlib_file((link / "urllib" / "request.py").string()));
-    CHECK(PluginAuditManager::is_stdlib_file("<frozen os>"));
-    CHECK_FALSE(PluginAuditManager::is_stdlib_file((purelib / "requests" / "api.py").string()));
-    CHECK_FALSE(PluginAuditManager::is_stdlib_file((link / "site-packages" / "requests" / "api.py").string()));
-    CHECK_FALSE(PluginAuditManager::is_stdlib_file((harness.outside.path() / "plugin.py").string()));
-    CHECK_FALSE(PluginAuditManager::is_stdlib_file("<string>"));
-}

tests/slic3rutils/test_printer_agent.cpp

@@ -1,30 +1,18 @@
 #include <catch2/catch_all.hpp>
 
-#include <functional>
-#include <slic3r/Utils/BBLPrinterAgent.hpp>
-#include <slic3r/Utils/IPrinterAgent.hpp>
-#include <slic3r/Utils/MoonrakerPrinterAgent.hpp>
 #include <memory>
 #include <slic3r/Utils/NetworkAgentFactory.hpp>
 
 #include <catch2/catch_test_macros.hpp>
 #include <pybind11/pytypes.h>
 #include <catch2/catch_message.hpp>
-#include "catch2/matchers/catch_matchers.hpp"
-#include "catch2/matchers/catch_matchers_floating_point.hpp"
 #include "python_test_support.hpp"
 
 #include <pybind11/embed.h>
 #include <pybind11/pybind11.h>
 
-#include <atomic>
-#include <chrono>
-#include <future>
-#include <slic3r/Utils/bambu_networking.hpp>
 #include <string>
-#include <thread>
 #include <pybind11/cast.h>
-#include <utility>
 
 namespace Slic3r { class ICloudServiceAgent; }
 namespace Slic3r { class IPrinterAgent; }
@@ -32,390 +20,12 @@ namespace Slic3r { class IPrinterAgent; }
 using namespace Slic3r;
 namespace py = pybind11;
 
-namespace {
-
-// Releases a promise on scope exit, so a throwing REQUIRE cannot leave a parked detached
-// thread (and any destructor that joins it) blocked forever.
-class ScopedPromiseRelease
-{
-public:
-    explicit ScopedPromiseRelease(std::shared_ptr<std::promise<void>> p) : m_p(std::move(p)) {}
-    ~ScopedPromiseRelease()
-    {
-        if (m_p) {
-            try {
-                m_p->set_value();
-            } catch (...) {
-                // promise already satisfied
-            }
-        }
-    }
-    ScopedPromiseRelease(const ScopedPromiseRelease&) = delete;
-    ScopedPromiseRelease& operator=(const ScopedPromiseRelease&) = delete;
-
-private:
-    std::shared_ptr<std::promise<void>> m_p;
-};
-
-} // namespace
-
-class MoonrakerParserProbe : public MoonrakerPrinterAgent
-{
-public:
-    using MoonrakerPrinterAgent::parse_nozzle_diameter;
-
-    explicit MoonrakerParserProbe(std::string log_dir) : MoonrakerPrinterAgent(std::move(log_dir)) {}
-};
-
-TEST_CASE("Moonraker parses nozzle diameter from configfile settings", "[MoonrakerPrinterAgent]")
-{
-    const auto response = nlohmann::json::parse(R"({
-        "result": {
-            "status": {
-                "configfile": {
-                    "settings": {
-                        "extruder": {
-                            "nozzle_diameter": 0.6
-                        }
-                    }
-                }
-            }
-        }
-    })");
-
-    CHECK_THAT(MoonrakerParserProbe::parse_nozzle_diameter(response), Catch::Matchers::WithinAbs(0.6f, 1e-4f));
-}
-
-TEST_CASE("Moonraker parses nozzle diameter from raw config and tolerates missing data", "[MoonrakerPrinterAgent]")
-{
-    const auto raw_config_response = nlohmann::json::parse(R"({
-        "result": {
-            "status": {
-                "configfile": {
-                    "config": {
-                        "extruder": {
-                            "nozzle_diameter": "0.8"
-                        }
-                    }
-                }
-            }
-        }
-    })");
-    const auto missing_response = nlohmann::json::object();
-
-    CHECK_THAT(MoonrakerParserProbe::parse_nozzle_diameter(raw_config_response), Catch::Matchers::WithinAbs(0.8f, 1e-4f));
-    CHECK_THAT(MoonrakerParserProbe::parse_nozzle_diameter(missing_response), Catch::Matchers::WithinAbs(0.0f, 1e-6f));
-}
-
-// why: an agent without a Bambu-dialect translation must refuse these commands before any network or wx path.
-TEST_CASE("default AMS commands report not supported", "[MoonrakerPrinterAgent]")
-{
-    MoonrakerPrinterAgent agent("");
-
-    CHECK(agent.command_ams_refresh_rfid("dev", 123, 1, 0, false) == ORCA_NETWORK_ERR_CMD_NOT_SUPPORTED);
-    CHECK(agent.command_ams_calibrate("dev", 1, 2, false) == ORCA_NETWORK_ERR_CMD_NOT_SUPPORTED);
-    CHECK(agent.command_ams_select_tray("dev", "123", 3, false) == ORCA_NETWORK_ERR_CMD_NOT_SUPPORTED);
-}
-
-TEST_CASE("Moonraker light name matching", "[MoonrakerPrinterAgent]")
-{
-    CHECK(moonraker_is_light_name("caselight"));
-    CHECK(moonraker_is_light_name("LED_STRIP"));
-    CHECK_FALSE(moonraker_is_light_name("beeper"));
-    CHECK(moonraker_is_light_name("FLASHLIGHT_SWITCH"));
-    CHECK(moonraker_is_light_name("MODLELIGHT_SWITCH"));
-}
-
-TEST_CASE("Moonraker webcam selection skips disabled webcams and prefers the first enabled one",
-          "[MoonrakerPrinterAgent]")
-{
-    const auto response = nlohmann::json::parse(R"({
-        "result": { "webcams": [
-            { "name": "disabled", "enabled": false, "stream_url": "http://192.168.1.9:8080/stream" },
-            { "name": "enabled",  "enabled": true,  "stream_url": "http://192.168.1.9:8080/stream" }
-        ]}
-    })");
-
-    MoonrakerWebcamSelection selection;
-    REQUIRE(moonraker_parse_webcam_list(response, "http://192.168.1.9:7125", selection));
-    CHECK(selection.name == "enabled");
-    CHECK(selection.url == "http://192.168.1.9:8080/stream");
-    CHECK(selection.mode == CameraStreamMode::http);
-    CHECK(selection.error.empty());
-}
-
-TEST_CASE("Moonraker webcam selection resolves relative URLs, maps rtsp, and rejects other schemes",
-          "[MoonrakerPrinterAgent]")
-{
-    const auto relative = nlohmann::json::parse(R"({
-        "result": { "webcams": [ { "name": "cam", "snapshot_url": "/webcam/?action=snapshot" } ] }
-    })");
-    MoonrakerWebcamSelection rel;
-    REQUIRE(moonraker_parse_webcam_list(relative, "http://192.168.1.9:7125", rel));
-    // Relative URLs use the printer web root, without the Moonraker API port.
-    CHECK(rel.url == "http://192.168.1.9/webcam/?action=snapshot");
-    CHECK(rel.mode == CameraStreamMode::http_snapshot);
-
-    const auto rtsp = nlohmann::json::parse(R"({
-        "result": { "webcams": [ { "name": "cam", "stream_url": "rtsp://192.168.1.9:554/live" } ] }
-    })");
-    MoonrakerWebcamSelection rt;
-    REQUIRE(moonraker_parse_webcam_list(rtsp, "http://192.168.1.9:7125", rt));
-    CHECK(rt.mode == CameraStreamMode::rtsp);
-
-    const auto unsupported = nlohmann::json::parse(R"({
-        "result": { "webcams": [ { "name": "cam", "stream_url": "weird://host/x" } ] }
-    })");
-    MoonrakerWebcamSelection bad;
-    CHECK_FALSE(moonraker_parse_webcam_list(unsupported, "http://192.168.1.9:7125", bad));
-    CHECK(bad.error == "Unsupported webcam URL");
-}
-
-TEST_CASE("Moonraker webcam selection reports no webcam and malformed structure", "[MoonrakerPrinterAgent]")
-{
-    const auto empty = nlohmann::json::parse(R"({ "result": { "webcams": [] } })");
-    MoonrakerWebcamSelection none;
-    CHECK_FALSE(moonraker_parse_webcam_list(empty, "http://host:7125", none));
-    CHECK(none.error == "No enabled webcam");
-
-    const auto disabled_only = nlohmann::json::parse(R"({
-        "result": { "webcams": [ { "name": "disabled", "enabled": false, "stream_url": "http://host/stream" } ] }
-    })");
-    MoonrakerWebcamSelection off;
-    CHECK_FALSE(moonraker_parse_webcam_list(disabled_only, "http://host:7125", off));
-
-    const auto malformed = nlohmann::json::parse(R"({ "result": { "nope": 1 } })");
-    MoonrakerWebcamSelection shape;
-    CHECK_FALSE(moonraker_parse_webcam_list(malformed, "http://host:7125", shape));
-    CHECK(shape.error == "Unexpected JSON structure");
-}
-
-// ===========================================================================
-// UNIT - handle_request's not-supported default.
-// The agent is the only thing that knows what it can translate, so an untranslated
-// command has to say so instead of returning success and letting the UI believe the
-// control worked. Guards the inverse too: the pushing namespace is genuinely
-// satisfied by the websocket status stream, and it re-fires from the keepalive timer
-// roughly once a second, so it must stay a success or it would raise a dialog on a
-// timer. Only branches that touch neither the network nor wx are exercised.
-// ===========================================================================
-TEST_CASE("Moonraker reports untranslated commands as not supported", "[MoonrakerPrinterAgent]")
-{
-    MoonrakerPrinterAgent agent("");
-
-    CHECK(agent.send_message("dev", R"({"print":{"command":"ams_change_filament"}})", 0, 0) ==
-          ORCA_NETWORK_ERR_CMD_NOT_SUPPORTED);
-    CHECK(agent.send_message("dev", R"({"system":{"command":"set_door_stat"}})", 0, 0) ==
-          ORCA_NETWORK_ERR_CMD_NOT_SUPPORTED);
-    CHECK(agent.send_message("dev", R"({"xcam":{"command":"xcam_control_set"}})", 0, 0) ==
-          ORCA_NETWORK_ERR_CMD_NOT_SUPPORTED);
-
-    CHECK(agent.send_message("dev", R"({"pushing":{"command":"pushall"}})", 0, 0) == BAMBU_NETWORK_SUCCESS);
-    CHECK(agent.send_message("dev", R"({"pushing":{"command":"start"}})", 0, 0) == BAMBU_NETWORK_SUCCESS);
-
-    // why: malformed input is a different failure than an untranslated command, and the
-    // default must not swallow it into a misleading not-supported verdict.
-    CHECK(agent.send_message("dev", "{not json", 0, 0) == BAMBU_NETWORK_ERR_INVALID_RESULT);
-}
-
-// why: IPrinterAgent::fetch_filament_info is the single virtual hook derived agents override.
-// Pull-mode overrides must be synchronous (the caller reads DevFilaSystem as soon as it
-// returns), but subscription overrides may be fire-and-forget: QidiPrinterAgent/Snapmaker
-// spawn a detached thread when asked for subscription updates. QidiPrinterAgent is `final`,
-// so this probes the subscription contract with a controllable double instead.
-TEST_CASE("a fire-and-forget subscription fetch is not waited on by the caller",
-          "[MoonrakerPrinterAgent]")
-{
-    class RecordingAgent : public Slic3r::MoonrakerPrinterAgent
-    {
-    public:
-        explicit RecordingAgent(std::string log_dir) : MoonrakerPrinterAgent(std::move(log_dir)) {}
-
-        // Shared so the detached proxy fetch never touches `this`: a throwing REQUIRE
-        // then cannot leave it dereferencing a destroyed agent.
-        std::shared_ptr<std::atomic<bool>>  invoked{std::make_shared<std::atomic<bool>>(false)};
-        std::shared_ptr<std::promise<void>> release_gate{std::make_shared<std::promise<void>>()};
-        std::shared_ptr<std::promise<void>> done_promise{std::make_shared<std::promise<void>>()};
-
-        bool fetch_filament_info(std::string /*dev_id*/, FilamentSyncMode sync_mode = FilamentSyncMode::pull) override
-        {
-            // Only the subscription path is allowed to be fire-and-forget.
-            if (sync_mode != FilamentSyncMode::subscription)
-                return true;
-
-            auto invoked_p      = invoked;
-            auto release_gate_p = release_gate;
-            auto done_promise_p = done_promise;
-            std::thread([invoked_p, release_gate_p, done_promise_p]() {
-                invoked_p->store(true);
-                // Block here until the test explicitly releases us, proving the caller
-                // (fetch_filament_info) does not wait for this to run.
-                release_gate_p->get_future().wait();
-                done_promise_p->set_value();
-            }).detach();
-            return true;
-        }
-    };
-
-    auto agent = std::make_shared<RecordingAgent>(std::string{});
-    auto done_future = agent->done_promise->get_future();
-    ScopedPromiseRelease release_gate_guard{agent->release_gate};
-
-    bool immediate_result = agent->fetch_filament_info("test-dev", FilamentSyncMode::subscription);
-
-    // fetch_filament_info must return before its background work completes — prove
-    // it by confirming the background call is still blocked on the gate right now.
-    REQUIRE(immediate_result == true);
-    REQUIRE(done_future.wait_for(std::chrono::milliseconds(100)) == std::future_status::timeout);
-
-    // Now let the background call finish and confirm it actually ran (polymorphic dispatch).
-    agent->release_gate->set_value();
-    REQUIRE(done_future.wait_for(std::chrono::seconds(2)) == std::future_status::ready);
-    REQUIRE(agent->invoked->load() == true);
-}
-
-namespace {
-
-// Globals so a parked proxy fetch thread never dereferences a freed agent.
-std::atomic<int>  g_deferred_fetch_running{0};
-std::atomic<bool> g_deferred_destroy_returned{false};
-
-// Releases the given gates, then joins on scope exit: so a throwing REQUIRE cannot leave
-// the thread blocked (deadlocking the join) or let it std::terminate.
-class ScopedJoiner
-{
-public:
-    ScopedJoiner(std::thread& t, std::shared_ptr<std::promise<void>> gate1, std::shared_ptr<std::promise<void>> gate2)
-        : m_thread(t), m_gates{std::move(gate1), std::move(gate2)}
-    {}
-    ~ScopedJoiner()
-    {
-        for (auto& gate : m_gates) {
-            if (gate) {
-                try {
-                    gate->set_value();
-                } catch (...) {
-                    // promise already satisfied
-                }
-            }
-        }
-        if (m_thread.joinable()) m_thread.join();
-    }
-    ScopedJoiner(const ScopedJoiner&) = delete;
-    ScopedJoiner& operator=(const ScopedJoiner&) = delete;
-
-private:
-    std::thread&                        m_thread;
-    std::shared_ptr<std::promise<void>> m_gates[2];
-};
-
-// A fetch that parks before touching the in-flight counter, so teardown's wait can
-// observe zero first.
-class DeferredFetchAgent : public MoonrakerPrinterAgent
-{
-public:
-    explicit DeferredFetchAgent(std::string log_dir) : MoonrakerPrinterAgent(std::move(log_dir)) {}
-
-    // Shared so a parked proxy fetch can never outlive the stack that owns it.
-    std::shared_ptr<std::promise<void>> entered{std::make_shared<std::promise<void>>()};
-    std::shared_ptr<std::promise<void>> allow_fetch{std::make_shared<std::promise<void>>()};
-    std::shared_ptr<std::promise<void>> allow_finish{std::make_shared<std::promise<void>>()};
-    std::shared_ptr<std::promise<void>> running{std::make_shared<std::promise<void>>()};
-
-    // Runs the callable on the command worker, which teardown joins.
-    void post(std::function<void()> fn) { enqueue_command(std::move(fn)); }
-
-    bool fetch_filament_info(std::string /*dev_id*/, FilamentSyncMode /*sync_mode*/ = FilamentSyncMode::pull) override
-    {
-        // Resumes after ~DeferredFetchAgent destroyed these members; snapshot up front.
-        auto entered_p      = entered;
-        auto allow_fetch_p  = allow_fetch;
-        auto allow_finish_p = allow_finish;
-        auto running_p      = running;
-
-        entered_p->set_value();
-        allow_fetch_p->get_future().wait();
-
-        filament_fetch_in_flight.fetch_add(1, std::memory_order_relaxed);
-        std::thread([this, finish = std::move(allow_finish_p), running = std::move(running_p)] {
-            struct InFlightGuard
-            {
-                MoonrakerPrinterAgent& owner;
-                ~InFlightGuard() { owner.release_fetch_slot(); }
-            } guard{*this};
-
-            g_deferred_fetch_running.fetch_add(1, std::memory_order_relaxed);
-            running->set_value();
-            finish->get_future().wait();
-            g_deferred_fetch_running.fetch_sub(1, std::memory_order_relaxed);
-        }).detach();
-        return true;
-    }
-};
-
-} // namespace
-
-// REGRESSION - teardown must not return while a fetch it started is in flight.
-// The command worker parks a fetch before it reserves the in-flight slot, forcing
-// the "wait already observed zero" interleaving deterministically.
-TEST_CASE("an agent's destruction waits for a fetch started by its worker during teardown",
-          "[MoonrakerPrinterAgent][Regression]")
-{
-    g_deferred_fetch_running.store(0);
-    g_deferred_destroy_returned.store(false);
-
-    auto agent        = std::make_shared<DeferredFetchAgent>(std::string{});
-    auto entered      = agent->entered;
-    auto allow_fetch  = agent->allow_fetch;
-    auto allow_finish = agent->allow_finish;
-    auto running      = agent->running;
-
-    // Safety net for the pre-destroyer failure paths: release both gates before the
-    // agent is destroyed (declared after it, so destroyed before it).
-    ScopedPromiseRelease release_finish{allow_finish};
-    ScopedPromiseRelease release_fetch{allow_fetch};
-
-    // Park a fetch inside the command worker while the agent is still complete.
-    agent->post([ptr = agent.get()] { ptr->fetch_filament_info("dev", FilamentSyncMode::pull); });
-    REQUIRE(entered->get_future().wait_for(std::chrono::seconds(5)) == std::future_status::ready);
-
-    // Destroy on another thread so this one can drive the parked fetch.
-    std::thread destroyer([owned = std::move(agent)]() mutable {
-        owned.reset();
-        g_deferred_destroy_returned.store(true);
-    });
-    // Releases both gates before joining, so a failing REQUIRE cannot deadlock the join.
-    ScopedJoiner join_destroyer{destroyer, allow_fetch, allow_finish};
-
-    // Let the worker reserve the in-flight slot and spawn its fetch, then wait until it
-    // is genuinely parked (no polling).
-    allow_fetch->set_value();
-    REQUIRE(running->get_future().wait_for(std::chrono::seconds(5)) == std::future_status::ready);
-    REQUIRE(g_deferred_fetch_running.load() == 1);
-
-    // A correct teardown cannot return while the fetch is parked; give a buggy one time.
-    for (int i = 0; i < 200 && !g_deferred_destroy_returned.load(); ++i)
-        std::this_thread::sleep_for(std::chrono::milliseconds(10));
-
-    if (g_deferred_destroy_returned.load()) {
-        // Bug: teardown returned with a fetch still running. Don't release allow_finish.
-        CHECK(g_deferred_fetch_running.load() == 0);
-        return;
-    }
-
-    // Fixed order: destruction is still blocked on the in-flight fetch.
-    allow_finish->set_value();
-    destroyer.join();
-    CHECK(g_deferred_destroy_returned.load());
-    CHECK(g_deferred_fetch_running.load() == 0);
-}
-
 // ===========================================================================
 // UNIT - printer-agent registry duplicate handling.
 // Confirms a duplicate agent id is rejected so a plugin cannot shadow a built-in
 // or previously registered agent.
 // ===========================================================================
-TEST_CASE("printer-agent registry register / lookup / duplicate-reject", "[PrinterAgent]")
+TEST_CASE("unit: printer-agent registry register / lookup / duplicate-reject", "[registry][unit]")
 {
     // why: the registry is process-global state shared by the test binary, and
     // Catch2 may run cases in any order. Use an id that cannot collide with
@@ -459,7 +69,7 @@ TEST_CASE("printer-agent registry register / lookup / duplicate-reject", "[Print
 // fails to load the codecs needed for the filesystem encoding. The shared helper
 // points PyConfig.home at the python/ runtime staged next to the test executable.
 
-TEST_CASE("orca.printer_agent binding surface", "[integration][Python]")
+TEST_CASE("integration: orca.printer_agent binding surface", "[integration][Python]")
 {
     py::module_ orca = import_orca_module();
 
@@ -510,7 +120,7 @@ TEST_CASE("orca.printer_agent binding surface", "[integration][Python]")
 // them in the lightweight embedded-interpreter test catches binding breakage
 // before the plugin-loader test needs to run.
 // ===========================================================================
-TEST_CASE("orca plugin-registration API surface + discovery-context guards", "[integration][Python]")
+TEST_CASE("integration: orca plugin-registration API surface + discovery-context guards", "[integration][Python]")
 {
     py::module_ orca = import_orca_module();
 

tests/slic3rutils/test_qidi_printer_agent.cpp

@@ -1,134 +0,0 @@
-#include "catch2/catch_test_macros.hpp"
-#include "catch2/matchers/catch_matchers.hpp"
-#include "catch2/matchers/catch_matchers_string.hpp"
-#include <catch2/catch_all.hpp>
-
-#include <nlohmann/json.hpp>
-
-#include <slic3r/Utils/QidiPrinterAgent.hpp>
-
-#include <string>
-
-using namespace Slic3r;
-
-TEST_CASE("Qidi slot response rejects null variables without throwing", "[QidiPrinterAgent]")
-{
-    const std::string response = R"({
-        "result": {
-            "status": {
-                "save_variables": {
-                    "variables": null
-                }
-            }
-        }
-    })";
-    nlohmann::json status;
-    nlohmann::json variables;
-    std::string    error;
-    bool           parsed = true;
-
-    REQUIRE_NOTHROW(parsed = QidiPrinterAgent::parse_slot_response(response, status, variables, error));
-    CHECK_FALSE(parsed);
-    CHECK_THAT(error, Catch::Matchers::ContainsSubstring("variables"));
-    CHECK_THAT(error, Catch::Matchers::ContainsSubstring("object"));
-}
-
-TEST_CASE("Qidi slot response rejects missing and non-object fields without throwing", "[QidiPrinterAgent]")
-{
-    std::string response;
-
-    SECTION("missing result")
-    {
-        response = R"({})";
-    }
-
-    SECTION("non-object result")
-    {
-        response = R"({"result":null})";
-    }
-
-    SECTION("missing status")
-    {
-        response = R"({"result":{}})";
-    }
-
-    SECTION("non-object status")
-    {
-        response = R"({"result":{"status":null}})";
-    }
-
-    SECTION("missing save_variables")
-    {
-        response = R"({"result":{"status":{}}})";
-    }
-
-    SECTION("non-object save_variables")
-    {
-        response = R"({"result":{"status":{"save_variables":null}}})";
-    }
-
-    SECTION("missing variables")
-    {
-        response = R"({"result":{"status":{"save_variables":{}}}})";
-    }
-
-    SECTION("scalar")
-    {
-        response = R"({"result":{"status":{"save_variables":{"variables":42}}}})";
-    }
-
-    SECTION("array")
-    {
-        response = R"({"result":{"status":{"save_variables":{"variables":[]}}}})";
-    }
-
-    nlohmann::json status;
-    nlohmann::json variables;
-    std::string    error;
-    bool           parsed = true;
-
-    REQUIRE_NOTHROW(parsed = QidiPrinterAgent::parse_slot_response(response, status, variables, error));
-    CHECK_FALSE(parsed);
-}
-
-TEST_CASE("Qidi slot response exposes valid status and variables", "[QidiPrinterAgent]")
-{
-    const std::string response = R"({
-        "result": {
-            "status": {
-                "save_variables": {
-                    "variables": {
-                        "box_count": 2,
-                        "color_slot0": 3
-                    }
-                },
-                "box_stepper slot0": {
-                    "runout_button": 0
-                }
-            }
-        }
-    })";
-    nlohmann::json status;
-    nlohmann::json variables;
-    std::string    error;
-    bool           parsed = false;
-
-    REQUIRE_NOTHROW(parsed = QidiPrinterAgent::parse_slot_response(response, status, variables, error));
-    REQUIRE(parsed);
-    CHECK(status.is_object());
-    CHECK(variables.is_object());
-    CHECK(variables.at("box_count") == 2);
-    CHECK(status.contains("box_stepper slot0"));
-}
-
-TEST_CASE("Qidi slot response rejects invalid JSON", "[QidiPrinterAgent]")
-{
-    nlohmann::json status;
-    nlohmann::json variables;
-    std::string    error;
-    bool           parsed = true;
-
-    REQUIRE_NOTHROW(parsed = QidiPrinterAgent::parse_slot_response("{not json", status, variables, error));
-    CHECK_FALSE(parsed);
-    CHECK(error == "Invalid JSON response");
-}