refactor: push bbl workflows to bbl printer agent

src/slic3r/GUI/DeviceCore/DevManager.cpp

@@ -13,6 +13,8 @@
 
 #include "libslic3r/Time.hpp"
 
+#include "IPrinterAgent.hpp"
+
 using namespace nlohmann;
 
 namespace {

src/slic3r/GUI/DeviceManager.cpp

@@ -50,6 +50,7 @@
 #include "DeviceCore/DevStatus.h"
 #include "DeviceCore/DevUpgrade.h"
 
+#include "IPrinterAgent.hpp"
 
 #define CALI_DEBUG
 #define MINUTE_30 1800000    //ms
@@ -2854,6 +2855,78 @@ int MachineObject::parse_json(std::string tunnel, std::string payload, bool key_
             j = j_pre;
         }
 
+#pragma region CAP_SUBSCRIPTIONS
+        if (j_pre.contains("capabilities")) {
+            auto& caps = j_pre["capabilities"];
+            // if (caps.contains("extruder_count")) {
+            //     GetExtderSystem()->GetTotalExtderCount();
+            // }
+            if (caps.contains("supports_extruder_control"))
+                is_enable_np = caps.value("supports_extruder_control", 0);
+            if (caps.contains("supports_part_skip"))
+                is_support_partskip = caps.value("supports_part_skip", 0);
+            if (caps.contains("has_door_sensor"))
+                is_support_door_open_check = caps.value("has_door_sensor", 0);
+            if (caps.contains("supports_auto_recovery"))
+                is_support_auto_recovery_step_loss = caps.value("supports_auto_recovery", 0);
+            if (caps.contains("supports_prompt_sound"))
+                is_support_prompt_sound = caps.value("supports_prompt_sound", 0);
+            if (caps.contains("supports_spaghetti_detection"))
+                is_support_spaghetti_detection = caps.value("supports_spaghetti_detection", 0);
+            if (caps.contains("supports_purge_chute_pileup_detection"))
+                is_support_purgechutepileup_detection = caps.value("supports_purge_chute_pileup_detection", 0);
+            if (caps.contains("supports_nozzle_clumping_detection"))
+                is_support_nozzleclumping_detection = caps.value("supports_nozzle_clumping_detection", 0);
+            if (caps.contains("supports_build_plate_marker_detection"))
+                is_support_build_plate_marker_detect = caps.value("supports_build_plate_marker_detection", 0);
+            if (caps.contains("supports_ams_humidity"))
+                is_support_ams_humidity = caps.value("supports_ams_humidity", 0);
+            if (caps.contains("supports_pa_calibration_manual"))
+                is_support_pa_calibration = caps.value("supports_pa_calibration_manual", 0);
+            if (caps.contains("supports_flow_rate_calibration_manual"))
+                is_support_flow_calibration = caps.value("supports_flow_rate_calibration_manual", 0);
+
+            if (caps.contains("supports_hotend_rack"))
+                m_nozzle_system->SetSupportNozzleRack(caps.value("supports_hotend_rack", 0));
+            if (caps.contains("has_camera"))
+                has_ipcam = caps.value("has_camera", 0);
+
+            // Printing with no filament loaded
+            if (caps.contains("is_support_ams_air_print_detection"))
+                is_support_air_print_detection = caps.value("is_support_ams_air_print_detection", 0);
+
+            if (caps.contains("is_support_airprinting_detection"))
+                is_support_airprinting_detection = caps.value("is_support_airprinting_detection", 0);
+            if (caps.contains("camera_resolutions"))
+                camera_resolution_supported = caps.value("camera_resolutions", std::vector<std::string>{});
+            // if (caps.contains("ams_unit_count")) 
+            //     DevFilaSystemParser::ParseV1_0(caps["ams_unit_count"], this, m_fila_system.get(), true);
+                
+            // Remaining documented "capabilities" keys are intentionally not wired here yet.
+            //
+            // Already cached elsewhere, but not as a single direct is_support_* bool member
+            // (a differently-named member, a count, a method on another class, or two competing
+            // members), so leave these to their existing plumbing:
+            //   extruder_count                        -> DevExtderSystem::m_total_extder_count
+            //   ams_unit_count                         -> DevFilaSystem::GetAmsCount()
+            //
+            // No existing member at all -- would need a new is_support_* field and a design
+            // decision on naming/semantics before adding:
+            //   has_lidar
+            //   supports_plate_align_detection
+            //   supports_fod_detection
+            //   supports_displacement_detection
+            //   supports_ai_monitoring                 -> only an enabled-state member exists (xcam_ai_monitoring)
+            //   supports_first_layer_inspection        -> only an enabled-state member exists (xcam_first_layer_inspector)
+            //
+            // Genuinely complex (array/object values, or no authoritative single source to derive from):
+            //   supported_nozzle_types, supports_nozzle_blob_detection, has_ams, ams_slot_count,
+            //   supports_ams_rfid, supports_multiple_bed_types, supports_filament_mapping,
+            //   supports_pa_calibration_auto, supports_flow_rate_calibration_auto,
+            //   supports_max_volumetric_speed_calibration, supports_ota_update
+        }
+#pragma endregion
+
         uint64_t t_utc = j.value("t_utc", 0ULL);
         if (t_utc > 0) {
             last_utc_time = std::chrono::system_clock::time_point(t_utc * 1ms);

src/slic3r/GUI/DeviceManager.hpp

@@ -100,6 +100,32 @@ struct DevPrintTaskRatingInfo;
 // given nozzle diameter (mm), bucketed per nozzle size to mirror the printer firmware.
 bool is_stringing_prone_filament(const std::string& filament_id, float nozzle_diameter);
 
+enum LiveviewLocal {
+    LVL_None,
+    LVL_Disable,
+    LVL_Local,
+    LVL_Rtsps,
+    LVL_Rtsp
+};
+
+enum LiveviewRemote {
+    LVR_None,
+    LVR_Tutk,
+    LVR_Agora,
+    LVR_TutkAgora
+};
+
+enum FileLocal {
+    FL_None,
+    FL_Local
+};
+
+enum FileRemote {
+    FR_None,
+    FR_Tutk,
+    FR_Agora,
+    FR_TutkAgora
+};
 
 class MachineObject
 {
@@ -538,29 +564,10 @@ public:
     time_t  xcam_first_layer_hold_start = 0;
     std::string local_rtsp_url;
     std::string tutk_state;
-    enum LiveviewLocal {
+    LiveviewLocal liveview_local{ LiveviewLocal::LVL_None };
-        LVL_None,
+    LiveviewRemote liveview_remote{ LiveviewRemote::LVR_None};
-        LVL_Disable,
+    FileLocal file_local{ FileLocal::FL_None };
-        LVL_Local,
+    FileRemote file_remote{ FileRemote::FR_None };
-        LVL_Rtsps,
-        LVL_Rtsp
-    } liveview_local{ LVL_None };
-    enum LiveviewRemote {
-        LVR_None,
-        LVR_Tutk,
-        LVR_Agora,
-        LVR_TutkAgora
-    } liveview_remote{ LVR_None };
-    enum FileLocal {
-        FL_None,
-        FL_Local
-    } file_local{ FL_None };
-    enum FileRemote {
-        FR_None,
-        FR_Tutk,
-        FR_Agora,
-        FR_TutkAgora
-    } file_remote{ FR_None };
 
     enum PlateMakerDectect : int
     {

src/slic3r/GUI/Jobs/PrintJob.cpp

@@ -12,6 +12,8 @@
 #include "slic3r/GUI/DeviceCore/DevManager.h"
 #include "slic3r/GUI/DeviceCore/DevUtil.h"
 
+#include "IPrinterAgent.hpp"
+
 namespace Slic3r {
 namespace GUI {
 
@@ -203,41 +205,6 @@ void PrintJob::process(Ctl &ctl)
     params.use_ssl_for_mqtt  = m_local_use_ssl;
     params.username = m_agent->default_lan_username();
     params.password = m_access_code;
-    // Allow disabling the eMMC print path via AppConfig. Plugin 02.03.00.62's
-    // eMMC tunnel code hangs indefinitely at the upload phase with some
-    // printers (e.g., Bambu H2D), so we default to disabled. Users with
-    // working eMMC support can opt-in by setting disable_emmc_print = 0.
-    bool disable_emmc = true;
-    if (wxGetApp().app_config) {
-        auto v = wxGetApp().app_config->get("disable_emmc_print");
-        if (v == "0" || v == "false")
-            disable_emmc = false;
-    }
-    params.try_emmc_print = this->could_emmc_print && !disable_emmc;
-
-    // check access code and ip address
-    if (this->connection_type == "lan" && m_print_type == "from_normal") {
-        params.dev_id = m_dev_id;
-        params.project_name = "verify_job";
-        params.filename = job_data._temp_path.string();
-        params.connection_type = this->connection_type;
-
-        result = m_agent->start_send_gcode_to_sdcard(params, nullptr, nullptr, nullptr);
-
-        if (result != 0) {
-            BOOST_LOG_TRIVIAL(error) << "LAN connection verification failed:"
-                << " result=" << result
-                << ", dev_ip=" << m_dev_ip
-                << ", dev_id=" << m_dev_id
-                << ", password_length=" << m_access_code.size();
-            m_enter_ip_address_fun_fail();
-            m_job_finished = true;
-            return;
-        }
-
-        params.project_name = "";
-        params.filename = "";
-    }
 
     params.dev_id               = m_dev_id;
     params.ftp_folder           = m_ftp_folder;
@@ -264,6 +231,17 @@ void PrintJob::process(Ctl &ctl)
     params.auto_offset_cali     = this->auto_offset_cali;
     params.extruder_cali_manual_mode = this->extruder_cali_manual_mode;
     params.task_ext_change_assist = this->task_ext_change_assist;
+    // Allow disabling the eMMC print path via AppConfig. Plugin 02.03.00.62's
+    // eMMC tunnel code hangs indefinitely at the upload phase with some
+    // printers (e.g., Bambu H2D), so we default to disabled. Users with
+    // working eMMC support can opt-in by setting disable_emmc_print = 0.
+    bool disable_emmc = true;
+    if (wxGetApp().app_config) {
+        auto v = wxGetApp().app_config->get("disable_emmc_print");
+        if (v == "0" || v == "false")
+            disable_emmc = false;
+    }
+    params.try_emmc_print = this->could_emmc_print && !disable_emmc;
 
     if (m_print_type == "from_sdcard_view") {
         params.dst_file = m_dst_path;
@@ -618,6 +596,13 @@ void PrintJob::process(Ctl &ctl)
     }
 
     if (result < 0) {
+        if (result == ORCA_NETWORK_ERR_ACCESS_VERIFICATION_FAILED) {
+            if (m_enter_ip_address_fun_fail)
+                m_enter_ip_address_fun_fail();
+            m_job_finished = true;
+            return;
+        }
+
         curr_percent = -1;
 
         // The printer is still fetching its encryption flag (a transient state), so ask the

src/slic3r/GUI/MediaFilePanel.cpp

@@ -11,6 +11,7 @@
 #include "Widgets/ProgressDialog.hpp"
 #include <libslic3r/Model.hpp>
 #include <libslic3r/Format/bbs_3mf.hpp>
+#include <slic3r/GUI/DeviceManager.hpp>
 #include "DeviceCore/DevStorage.h"
 
 #ifdef __WXMSW__
@@ -206,7 +207,7 @@ MediaFilePanel::MediaFilePanel(wxWindow * parent)
     Bind(wxEVT_SHOW, onShowHide);
     parent->GetParent()->Bind(wxEVT_SHOW, onShowHide);
 
-    m_lan_user = "bblp";
+    m_lan_user = wxGetApp().getAgent()->default_lan_username();
 }
 
 MediaFilePanel::~MediaFilePanel()
@@ -465,14 +466,9 @@ void MediaFilePanel::fetchUrl(boost::weak_ptr<PrinterFileSystem> wfs)
     BOOST_LOG_TRIVIAL(info) << "MediaFilePanel::fetchUrl: " << m_local_proto << m_remote_proto;
     m_waiting_support = false;
     NetworkAgent *agent = wxGetApp().getAgent();
-    std::string  agent_version = agent ? agent->get_version() : "";
     if (agent && (m_lan_mode || !m_remote_proto) && m_local_proto && !m_lan_ip.empty()) {
-        std::string url = agent->get_local_camera_url(m_lan_ip, m_lan_user, m_lan_passwd);
+        std::string url = agent->get_local_camera_url({m_lan_ip, m_lan_user, m_lan_passwd, LVL_None,
-        url += "&device=" + m_machine;
+            m_machine, agent->get_version(), m_dev_ver, "", wxGetApp().app_config->get("slicer_uuid"), SLIC3R_VERSION});
-        url += "&net_ver=" + agent_version;
-        url += "&dev_ver=" + m_dev_ver;
-        url += "&cli_id=" + wxGetApp().app_config->get("slicer_uuid");
-        url += "&cli_ver=" + std::string(SLIC3R_VERSION);
         fs->SetUrl(url);
         return;
     }
@@ -494,33 +490,22 @@ void MediaFilePanel::fetchUrl(boost::weak_ptr<PrinterFileSystem> wfs)
     if (agent) {
         std::string protocols[] = {"", "\"tutk\"", "\"agora\"", "\"tutk\",\"agora\""};
         agent->get_camera_url(m_machine + "|" + m_dev_ver + "|" + protocols[m_remote_proto],
-            [this, wfs, m = m_machine, v = agent->get_version(), dv = m_dev_ver](std::string url) {
+            [this, wfs, m = m_machine](CameraURLResult result) {
-            if (boost::algorithm::starts_with(url, "bambu:///")) {
+            std::string url = std::move(result.url);
-                url += "&device=" + m;
-                url += "&net_ver=" + v;
-                url += "&dev_ver=" + dv;
-                url += "&refresh_url=" + boost::lexical_cast<std::string>(&refresh_agora_url);
-                url += "&cli_id=" + wxGetApp().app_config->get("slicer_uuid");
-                url += "&cli_ver=" + std::string(SLIC3R_VERSION);
-            }
             BOOST_LOG_TRIVIAL(info) << "MediaFilePanel::fetchUrl: camera_url: " << hide_passwd(url, {"?uid=", "authkey=", "passwd="});
             CallAfter([=] {
                 boost::shared_ptr fs(wfs.lock());
                 if (!fs || fs != m_image_grid->GetFileSystem()) return;
-                if (boost::algorithm::starts_with(url, "bambu:///")) {
+                if (result.is_success) {
                     fs->SetUrl(url);
                 } else {
                     m_image_grid->SetStatus(m_bmp_failed, _L("Connection Failed. Please check the network and try again"));
-                    std::string res = "3";
+                    std::string res = result.error_code >= 0 ? std::to_string(result.error_code) : "3";
-                    if (boost::ends_with(url, "]")) {
-                        size_t n = url.find_last_of('[');
-                        if (n != std::string::npos)
-                            res = url.substr(n + 1, url.length() - n - 2);
-                    }
                     fs->SetUrl(res);
                 }
             });
-        }, wxGetApp().get_printer_cloud_provider());
+        }, wxGetApp().get_printer_cloud_provider(), CameraURLParams{"", "", "", LVL_None, m_machine, agent->get_version(), m_dev_ver,
+            boost::lexical_cast<std::string>(&refresh_agora_url), wxGetApp().app_config->get("slicer_uuid"), SLIC3R_VERSION, true});
     }
 }
 

src/slic3r/GUI/MediaPlayCtrl.cpp

@@ -14,6 +14,7 @@
 #include <boost/log/trivial.hpp>
 #include <boost/nowide/cstdio.hpp>
 #include <boost/nowide/utf8_codecvt.hpp>
+#include <slic3r/GUI/DeviceManager.hpp>
 #undef pid_t
 #include <boost/process.hpp>
 #ifdef __WIN32__
@@ -160,12 +161,12 @@ void MediaPlayCtrl::SetMachineObject(MachineObject* obj)
 
         if (DevPrinterConfigUtil::get_printer_series_str(obj->printer_type) == "series_o" && BBLNetworkPlugin::instance().use_legacy_network()) {
             // Legacy plugin cannot support remote play for H2D, force using local mode
-            m_remote_proto = MachineObject::LVR_None;
+            m_remote_proto = LiveviewRemote::LVR_None;
         }
     } else {
         m_camera_exists = false;
         m_lan_mode = false;
-        m_lan_proto = MachineObject::LVL_None;
+        m_lan_proto = LiveviewLocal::LVL_None;
         m_lan_ip.clear();
         m_lan_passwd.clear();
         m_dev_ver.clear();
@@ -247,8 +248,8 @@ void refresh_agora_url(char const* device, char const* dev_ver, char const* chan
     device2 += dev_ver;
     device2 += "|\"agora\"|";
     device2 += channel;
-    wxGetApp().getAgent()->get_camera_url(device2, [context, callback](std::string url) {
+    wxGetApp().getAgent()->get_camera_url(device2, [context, callback](CameraURLResult result) {
-        callback(context, url.c_str());
+        callback(context, result.url.c_str());
     }, wxGetApp().get_printer_cloud_provider());
 }
 
@@ -283,20 +284,20 @@ void MediaPlayCtrl::Play()
     BOOST_LOG_TRIVIAL(info) << "MediaPlayCtrl::Play: " << m_lan_proto << m_remote_proto << m_disable_lan;
     NetworkAgent *agent = wxGetApp().getAgent();
     std::string  agent_version = agent ? agent->get_version() : "";
-    if (m_lan_proto > MachineObject::LVL_Disable && (m_lan_mode || !m_remote_proto) && !m_disable_lan && !m_lan_ip.empty()) {
+    if (m_lan_proto > LiveviewLocal::LVL_Disable && (m_lan_mode || !m_remote_proto) && !m_disable_lan && !m_lan_ip.empty()) {
         m_disable_lan = m_remote_proto && !m_lan_mode; // try remote next time
-        std::string url;
+        std::string url = agent->get_local_camera_url({
-        if (m_lan_proto == MachineObject::LVL_Local)
+            m_lan_ip,
-            url = "bambu:///local/" + m_lan_ip + ".?port=6000&user=" + m_lan_user + "&passwd=" + m_lan_passwd;
+            m_lan_user,
-        else if (m_lan_proto == MachineObject::LVL_Rtsps)
+            m_lan_passwd,
-            url = "bambu:///rtsps___" + m_lan_user + ":" + m_lan_passwd + "@" + m_lan_ip + "/streaming/live/1?proto=rtsps";
+            LiveviewLocal(m_lan_proto),
-        else if (m_lan_proto == MachineObject::LVL_Rtsp)
+            into_u8(m_machine),
-            url = "bambu:///rtsp___" + m_lan_user + ":" + m_lan_passwd + "@" + m_lan_ip + "/streaming/live/1?proto=rtsp";
+            agent_version,
-        url += "&device=" + m_machine;
+            m_dev_ver,
-        url += "&net_ver=" + agent_version;
+            "",
-        url += "&dev_ver=" + m_dev_ver;
+            wxGetApp().app_config->get("slicer_uuid"),
-        url += "&cli_id=" + wxGetApp().app_config->get("slicer_uuid");
+            SLIC3R_VERSION
-        url += "&cli_ver=" + std::string(SLIC3R_VERSION);
+        });
         BOOST_LOG_TRIVIAL(info) << "MediaPlayCtrl: " << hide_passwd(hide_id_middle_string(url, url.find(m_lan_ip), m_lan_ip.length()), {m_lan_passwd});
         m_url = url;
         load();
@@ -312,8 +313,8 @@ void MediaPlayCtrl::Play()
     // !m_lan_mode && !m_remote_proto && m_lan_proto == LVL_Disable (*)
     // !m_lan_mode && !m_remote_proto && m_lan_proto == LVL_None (x)
 
-    if (m_lan_proto <= MachineObject::LVL_Disable && (m_lan_mode || !m_remote_proto)) {
+    if (m_lan_proto <= LiveviewLocal::LVL_Disable && (m_lan_mode || !m_remote_proto)) {
-        Stop(m_lan_proto == MachineObject::LVL_None 
+        Stop(m_lan_proto == LiveviewLocal::LVL_None
             ? _L("A problem occurred. Please update the printer firmware and try again.")
             : _L("LAN Only Liveview is off. Please turn on the liveview on printer screen."));
         return;
@@ -336,36 +337,26 @@ void MediaPlayCtrl::Play()
 
     if (agent) {
         std::string protocols[] = {"", "\"tutk\"", "\"agora\"", "\"tutk\",\"agora\""};
-        agent->get_camera_url(m_machine + "|" + m_dev_ver + "|" + protocols[m_remote_proto],
+        agent->get_camera_url(
-                [this, m = m_machine, v = agent_version, dv = m_dev_ver, token = std::weak_ptr(m_token)](std::string url) {
+            m_machine + "|" + m_dev_ver + "|" + protocols[m_remote_proto],
+                [this, m = m_machine, token = std::weak_ptr(m_token)](CameraURLResult result) {
+            std::string url = std::move(result.url);
+            const bool success = result.is_success;
+            const int error_code = result.error_code;
                 if (token.expired()) {
                     BOOST_LOG_TRIVIAL(info) << __FUNCTION__ << ": token has been expired";
                     return;
                 }
 
-            if (boost::algorithm::starts_with(url, "bambu:///")) {
+                BOOST_LOG_TRIVIAL(info) << "MediaPlayCtrl: " << hide_passwd(url, {"?uid=", "authkey=", "passwd=", "license=", "token="});
-                url += "&device=" + into_u8(m);
+                CallAfter([this, m, url, success, error_code] {
-                url += "&net_ver=" + v;
-                url += "&dev_ver=" + dv;
-                url += "&refresh_url=" + boost::lexical_cast<std::string>(&refresh_agora_url);
-                url += "&cli_id=" + wxGetApp().app_config->get("slicer_uuid");
-                url += "&cli_ver=" + std::string(SLIC3R_VERSION);
-            }
-            BOOST_LOG_TRIVIAL(info) << "MediaPlayCtrl: " << hide_passwd(url, 
-                    {"?uid=", "authkey=", "passwd=", "license=", "token="});
-            CallAfter([this, m, url] {
                     if (m != m_machine) {
                         BOOST_LOG_TRIVIAL(info) << "MediaPlayCtrl drop late ttcode for machine: " << m;
                         return;
                     }
                     if (m_last_state == MEDIASTATE_INITIALIZING) {
-                    if (url.empty() || !boost::algorithm::starts_with(url, "bambu:///")) {
+                    if (!success) {
-                        m_failed_code = 3;
+                            m_failed_code = error_code >= 0 ? error_code : 3;
-                        if (boost::ends_with(url, "]")) {
-                            size_t n = url.find_last_of('[');
-                            if (n != std::string::npos)
-                                m_failed_code = std::atoi(url.substr(n + 1, url.length() - n - 2).c_str());
-                        }
                             Stop(_L("Connection Failed. Please check the network and try again"), from_u8(url));
                         } else {
                             m_url = url;
@@ -375,7 +366,10 @@ void MediaPlayCtrl::Play()
                         BOOST_LOG_TRIVIAL(info) << "MediaPlayCtrl drop late ttcode for state: " << m_last_state;
                     }
                 });
-        }, wxGetApp().get_printer_cloud_provider());
+            },
+            wxGetApp().get_printer_cloud_provider(),
+            CameraURLParams{"", "", "", LVL_None, into_u8(m_machine), agent_version, m_dev_ver,
+                            boost::lexical_cast<std::string>(&refresh_agora_url), wxGetApp().app_config->get("slicer_uuid"), SLIC3R_VERSION, true});
     }
 }
 
@@ -528,16 +522,11 @@ void MediaPlayCtrl::ToggleStream()
             wxGetApp().app_config->set("not_show_vcamera_stop_prev", "1");
         if (res == wxID_CANCEL) return;
     }
-    if (m_lan_proto > MachineObject::LVL_Disable && (m_lan_mode || !m_remote_proto) && !m_disable_lan && !m_lan_ip.empty()) {
+    if (m_lan_proto > LiveviewLocal::LVL_Disable && (m_lan_mode || !m_remote_proto) && !m_disable_lan && !m_lan_ip.empty()) {
-        std::string url;
+        NetworkAgent *agent = wxGetApp().getAgent();
-        if (m_lan_proto == MachineObject::LVL_Local)
+        if (!agent) return;
-            url = "bambu:///local/" + m_lan_ip + ".?port=6000&user=" + m_lan_user + "&passwd=" + m_lan_passwd;
+        std::string url = agent->get_local_camera_url({m_lan_ip, m_lan_user, m_lan_passwd, LiveviewLocal(m_lan_proto),
-        else if (m_lan_proto == MachineObject::LVL_Rtsps)
+            into_u8(m_machine), agent->get_version(), m_dev_ver, "", wxGetApp().app_config->get("slicer_uuid"), SLIC3R_VERSION});
-            url = "bambu:///rtsps___" + m_lan_user + ":" + m_lan_passwd + "@" + m_lan_ip + "/streaming/live/1?proto=rtsps";
-        else if (m_lan_proto == MachineObject::LVL_Rtsp)
-            url = "bambu:///rtsp___" + m_lan_user + ":" + m_lan_passwd + "@" + m_lan_ip + "/streaming/live/1?proto=rtsp";
-        url += "&device=" + into_u8(m_machine);
-        url += "&dev_ver=" + m_dev_ver;
         BOOST_LOG_TRIVIAL(info) << "MediaPlayCtrl::ToggleStream: " << hide_passwd(hide_id_middle_string(url, url.find(m_lan_ip), m_lan_ip.length()), {m_lan_passwd});
         std::string             file_url = data_dir() + "/cameratools/url.txt";
         boost::nowide::ofstream file(file_url);
@@ -551,20 +540,14 @@ void MediaPlayCtrl::ToggleStream()
     if (!agent) return;
     std::string protocols[] = {"", "\"tutk\"", "\"agora\"", "\"tutk\",\"agora\""};
     agent->get_camera_url(m_machine + "|" + m_dev_ver + "|" + protocols[m_remote_proto],
-            [this, m = m_machine, v = agent->get_version(), dv = m_dev_ver](std::string url) {
+            [this, m = m_machine](CameraURLResult result) {
-        if (boost::algorithm::starts_with(url, "bambu:///")) {
+        std::string url = std::move(result.url);
-            url += "&device=" + m;
+        const bool success = result.is_success;
-            url += "&net_ver=" + v;
-            url += "&dev_ver=" + dv;
-            url += "&refresh_url=" + boost::lexical_cast<std::string>(&refresh_agora_url);
-            url += "&cli_id=" + wxGetApp().app_config->get("slicer_uuid");
-            url += "&cli_ver=" + std::string(SLIC3R_VERSION);
-        }
         BOOST_LOG_TRIVIAL(info) << "MediaPlayCtrl::ToggleStream: " << hide_passwd(url, 
                 {"?uid=", "authkey=", "passwd=", "license=", "token="});
-        CallAfter([this, m, url] {
+        CallAfter([this, m, url, success] {
             if (m != m_machine) return;
-            if (url.empty() || !boost::algorithm::starts_with(url, "bambu:///")) {
+            if (!success) {
                 MessageDialog(this->GetParent(), wxString::Format(_L("Virtual camera initialize failed (%s)!"), url.empty() ? _L("Network unreachable") : from_u8(url)), _L("Information"),
                               wxICON_INFORMATION)
                     .ShowModal();
@@ -577,7 +560,8 @@ void MediaPlayCtrl::ToggleStream()
             file.close();
             m_streaming = true;
         });
-    }, wxGetApp().get_printer_cloud_provider());
+    }, wxGetApp().get_printer_cloud_provider(), CameraURLParams{"", "", "", LVL_None, into_u8(m_machine), agent->get_version(), m_dev_ver,
+        boost::lexical_cast<std::string>(&refresh_agora_url), wxGetApp().app_config->get("slicer_uuid"), SLIC3R_VERSION, true});
 }
 
 void MediaPlayCtrl::msw_rescale() { 

src/slic3r/GUI/PartSkipDialog.cpp

@@ -433,58 +433,38 @@ void PartSkipDialog::fetchUrl(boost::weak_ptr<PrinterFileSystem> wfs)
     }
     std::string dev_ver = obj->get_ota_version();
     std::string dev_id  = obj->get_dev_id();
-    // int         remote_proto = obj->get_file_remote();
 
     NetworkAgent *agent = wxGetApp().getAgent();
-    std::string   agent_version = agent ? agent->get_version() : "";
+    if (!agent) {
+        fs->SetUrl("3");
+        return;
+    }
 
     auto url_state = m_url_state;
     if (obj->is_lan_mode_printer()) { url_state = URL_TCP; }
 
-    if (agent) {
+    FileTransferURLParams params;
-        switch (url_state) {
+    params.url_state = url_state;
-        case URL_TCP: {
+    params.ip_address = obj->get_dev_ip();
-            std::string devIP      = obj->get_dev_ip();
+    params.username = agent->default_lan_username();
-            std::string accessCode = obj->get_access_code();
+    params.password = obj->get_access_code();
-            std::string tcp_url    = "bambu:///local/" + devIP + "?port=6000&user=" + "bblp" + "&passwd=" + accessCode;
+    params.device_id = dev_id;
-            CallAfter([=] {
+    params.network_version = agent->get_version();
+    params.device_version = dev_ver;
+    params.refresh_url = boost::lexical_cast<std::string>(&refresh_agora_url);
+    params.client_id = wxGetApp().app_config->get("slicer_uuid");
+    params.client_version = SLIC3R_VERSION;
+
+    agent->get_file_transfer_url(
+        dev_id,
+        [this, wfs](FileTransferURLResult result) {
+            CallAfter([wfs, result = std::move(result)]() mutable {
                 boost::shared_ptr fs(wfs.lock());
                 if (!fs) return;
-                if (boost::algorithm::starts_with(tcp_url, "bambu:///")) {
+                fs->SetUrl(result.is_success ? result.url : "3");
-                    fs->SetUrl(tcp_url);
-                } else {
-                    fs->SetUrl("3");
-                }
             });
-            break;
+        },
-        }
+        std::move(params));
-        case URL_TUTK: {
-            std::string protocols[] = {"", "\"tutk\"", "\"agora\"", "\"tutk\",\"agora\""};
-            agent->get_camera_url(obj->get_dev_id() + "|" + dev_ver + "|" + protocols[3], [this, wfs, m = dev_id, v = agent->get_version(), dv = dev_ver](std::string url)
-                {
-                if (boost::algorithm::starts_with(url, "bambu:///")) {
-                    url += "&device=" + m;
-                    url += "&net_ver=" + v;
-                    url += "&dev_ver=" + dv;
-                    url += "&refresh_url=" + boost::lexical_cast<std::string>(&refresh_agora_url);
-                    url += "&cli_id=" + wxGetApp().app_config->get("slicer_uuid");
-                    url += "&cli_ver=" + std::string(SLIC3R_VERSION);
-                }
-                CallAfter([=] {
-                    boost::shared_ptr fs(wfs.lock());
-                    if (!fs) return;
-                    if (boost::algorithm::starts_with(url, "bambu:///")) {
-                        fs->SetUrl(url);
-                    } else {
-                        fs->SetUrl("3");
-                    }
-                });
-            });
-            break;
-        }
-        default: break;
-        }
-    }
 }
 // controller
 void PartSkipDialog::OnFileSystemEvent(wxCommandEvent &e)

src/slic3r/GUI/PartSkipDialog.hpp

@@ -29,11 +29,6 @@ namespace Slic3r { namespace GUI {
 
 class SkipPartCanvas;
 
-enum URL_STATE {
-    URL_TCP,
-    URL_TUTK,
-};
-
 class PartSkipConfirmDialog : public DPIDialog
 {
 private:

src/slic3r/GUI/ReleaseNote.cpp

@@ -1801,6 +1801,8 @@ void InputIpAddressDialog::on_ok(wxMouseEvent& evt)
     m_trouble_shoot->Hide();
     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 = "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.
@@ -1835,6 +1837,8 @@ void InputIpAddressDialog::on_send_retry()
     Fit();
     wxString ip              = m_input_ip->GetTextCtrl()->GetValue();
     wxString str_access_code = m_input_access_code->GetTextCtrl()->GetValue();
+    if (str_access_code.empty())
+        str_access_code = "88888888";
 
     // check support function
     if (!m_obj) return;
@@ -2058,6 +2062,7 @@ void InputIpAddressDialog::on_text(wxCommandEvent &evt)
 
     if (str_access_code.empty()) {
         str_access_code = "88888888";
+        m_input_access_code->GetTextCtrl()->SetValue(str_access_code);
     }
 
     auto str_name            = m_input_printer_name->GetTextCtrl()->GetValue().Strip(wxString::both);

src/slic3r/GUI/SendToPrinter.cpp

@@ -1,6 +1,7 @@
 #include "SendToPrinter.hpp"
 #include "I18N.hpp"
 
+#include "IPrinterAgent.hpp"
 #include "libslic3r/Utils.hpp"
 #include "libslic3r/Thread.hpp"
 #include "GUI.hpp"
@@ -25,7 +26,6 @@
 
 #include "DeviceCore/DevManager.h"
 #include "DeviceCore/DevStorage.h"
-#include "slic3r/Utils/FileTransferUtils.hpp"
 
 
 namespace Slic3r {
@@ -1715,64 +1715,93 @@ void SendToPrinterDialog::GetConnection()
         if (m_tcp_try_connect) {
             std::string devIP      = obj->get_dev_ip();
             std::string accessCode = obj->get_access_code();
-            std::string url        = "bambu:///local/" + devIP + "?port=6000&user=" + "bblp" + "&passwd=" + accessCode;
             BOOST_LOG_TRIVIAL(info) << __FUNCTION__ << ": Connect method tcp";
-            m_filetransfer_tunnel  = std::make_unique<FileTransferTunnel>(module(), url);
+
+            if (agent->get_printer_agent()) {
+                try {
+                    m_filetransfer_tunnel  = agent->get_printer_agent()->create_file_transfer_tunnel(devIP, accessCode);
+                } catch (const std::exception& e) {
+                    BOOST_LOG_TRIVIAL(error) << __FUNCTION__ << ": failed to create TCP file-transfer tunnel: " << e.what();
+                }
+
+                if (m_filetransfer_tunnel && m_filetransfer_tunnel->check_valid()) {
                     m_filetransfer_tunnel->on_connection([this](bool is_success, int err_code, std::string error_msg) {
                         CallAfter([this, is_success, err_code, error_msg]() {
                                OnConnection(is_success, err_code, error_msg);
                         });
                     });
                     m_filetransfer_tunnel->start_connect();
+                } else {
+                    show_file_transfer_error(PrintDialogStatus::PrintStatusNotSupportedSendToSDCard,
+                                             _L("The selected printer does not support file transfer."));
+                }
+            } else {
+                show_file_transfer_error(PrintDialogStatus::PrintStatusNotSupportedSendToSDCard,
+                                         _L("The selected printer does not support file transfer."));
+            }
         }
         else if (m_tutk_try_connect)
         {
             std::string protocols[] = {"", "\"tutk\"", "\"agora\"", "\"tutk\",\"agora\""};
-            agent->get_camera_url(obj->get_dev_id() + "|" + dev_ver + "|" + protocols[1], [this, m = dev_id, v = agent->get_version(), dv = dev_ver](std::string url) {
+            agent->get_camera_url(
-                if (boost::algorithm::starts_with(url, "bambu:///")) {
+                obj->get_dev_id() + "|" + dev_ver + "|" + protocols[1],
-                    url += "&device=" + m;
+                [this, pa = agent->get_printer_agent()](CameraURLResult result) {
-                    url += "&net_ver=" + v;
+                    std::string url = std::move(result.url);
-                    url += "&dev_ver=" + dv;
+                    if (m_url_timer && m_url_timer->IsRunning()) {
-                    url += "&refresh_url=" + boost::lexical_cast<std::string>(&refresh_agora_url);
-                    url += "&cli_id=" + wxGetApp().app_config->get("slicer_uuid");
-                    url += "&cli_ver=" + std::string(SLIC3R_VERSION);
-                }
-
-                if (m_url_timer && m_url_timer->IsRunning())
-                {
                         m_url_timer->Stop();
                     }
 
-                #if !BBL_RELEASE_TO_PUBLIC
+#if !BBL_RELEASE_TO_PUBLIC
                     BOOST_LOG_TRIVIAL(info) << "SendToPrinter::camera_url: " << hide_passwd(url, {"?uid=", "authkey=", "passwd="});
-                #endif
+#endif
 
-
+                    if (result.is_success) {
-                if (boost::algorithm::starts_with(url, "bambu:///"))
-                {
                         BOOST_LOG_TRIVIAL(info) << __FUNCTION__ << ": Connect method tutk";
-                    m_filetransfer_tunnel = std::make_unique<FileTransferTunnel>(module(), url);
+                        if (!pa) {
+                            show_file_transfer_error(PrintDialogStatus::PrintStatusNotSupportedSendToSDCard,
+                                                     _L("The selected printer does not support file transfer."));
+                            return;
+                        }
+
+                        try {
+                            m_filetransfer_tunnel = pa->create_file_transfer_tunnel_from_url(url);
+                        } catch (const std::exception& e) {
+                            BOOST_LOG_TRIVIAL(error) << __FUNCTION__ << ": failed to create TUTK file-transfer tunnel: " << e.what();
+                        }
+                        if (!m_filetransfer_tunnel || !m_filetransfer_tunnel->check_valid()) {
+                            show_file_transfer_error(PrintDialogStatus::PrintStatusNotSupportedSendToSDCard,
+                                                     _L("The selected printer does not support file transfer."));
+                            return;
+                        }
+
                         m_filetransfer_tunnel->on_connection([this](bool is_success, int err_code, std::string error_msg) {
                             CallAfter([this, is_success, err_code, error_msg]() { OnConnection(is_success, err_code, error_msg); });
                         });
                         m_filetransfer_tunnel->start_connect();
-                }
+                    } else {
-                else
+                        std::string res = result.error_code >= 0 ? std::to_string(result.error_code) : "";
-                {
-                    std::string res = "";
-                    if (!url.empty() && boost::ends_with(url, "]"))
-                    {
-                        size_t n = url.find_last_of('[');
-                        if (n != std::string::npos)
-                            res = url.substr(n + 1, url.length() - n - 2);
-                    }
                         BOOST_LOG_TRIVIAL(error) << __FUNCTION__ << " : Tutk url error: ress = " << res;
+                        show_file_transfer_error(PrintDialogStatus::PrintStatusPublicInitFailed,
+                                                 _L("Connection failed. Please check your network and try again."));
                     }
-            });
+                },
+                wxGetApp().get_printer_cloud_provider(),
+                CameraURLParams{"", "", "", LVL_None, dev_id, agent->get_version(), dev_ver,
+                                boost::lexical_cast<std::string>(&refresh_agora_url), wxGetApp().app_config->get("slicer_uuid"), SLIC3R_VERSION, true});
         }
     }
 }
 
+void SendToPrinterDialog::show_file_transfer_error(PrintDialogStatus status, wxString message)
+{
+    if (m_url_timer && m_url_timer->IsRunning())
+        m_url_timer->Stop();
+    m_connection_status = ConnectionStatus::CONNECTION_FAILED;
+    GetConnection();
+    show_status(status);
+    update_print_status_msg(message, false, true);
+}
+
 void SendToPrinterDialog::OnConnection(bool is_success, int error_code, std::string error_msg) {
     if (is_success)
     {
@@ -1854,8 +1883,24 @@ void SendToPrinterDialog::ResetTunnelAndJob()
 
 void SendToPrinterDialog::CreateMediaAbilityJob()
 {
+     NetworkAgent *agent = wxGetApp().getAgent();
+     if (!agent || !agent->get_printer_agent()) {
+         BOOST_LOG_TRIVIAL(error) << __FUNCTION__ << ": no printer agent available";
+         show_file_transfer_error(PrintDialogStatus::PrintStatusNotSupportedSendToSDCard,
+                                  _L("The selected printer does not support file transfer."));
+         return;
+     }
      nlohmann::json media_ability = {{"cmd_type", 7}};
-     m_filetransfer_mediability_job = std::make_unique<FileTransferJob>(module(), std::string(media_ability.dump()));
+     try {
+         m_filetransfer_mediability_job = agent->get_printer_agent()->create_file_transfer_job(std::string(media_ability.dump()));
+     } catch (const std::exception& e) {
+         BOOST_LOG_TRIVIAL(error) << __FUNCTION__ << ": failed to create media-ability job: " << e.what();
+     }
+     if (!m_filetransfer_mediability_job || !m_filetransfer_mediability_job->check_valid()) {
+         show_file_transfer_error(PrintDialogStatus::PrintStatusNotSupportedSendToSDCard,
+                                  _L("The selected printer does not support file transfer."));
+         return;
+     }
      m_filetransfer_mediability_job->on_result([this](int res, int resp_ec, std::string json_res, std::vector<std::byte> bin_res) {
          //this pl
          CallAfter([this, res, resp_ec, json_res] {
@@ -1897,10 +1942,11 @@ void SendToPrinterDialog::CreateMediaAbilityJob()
          });
      });
      // Guard against a null transfer tunnel before dereferencing.
-     if (m_filetransfer_tunnel) {
+     if (m_filetransfer_tunnel && m_filetransfer_tunnel->check_valid()) {
         m_filetransfer_mediability_job->start_on(*m_filetransfer_tunnel);
      } else {
-        BOOST_LOG_TRIVIAL(info) << "CreateMediaAbilityJob: file transfer tunnel is null";
+        show_file_transfer_error(PrintDialogStatus::PrintStatusNotSupportedSendToSDCard,
+                                 _L("The selected printer does not support file transfer."));
      }
 }
 
@@ -1913,8 +1959,25 @@ void SendToPrinterDialog::CreateUploadFileJob(const std::string &path, const std
     upload_params["dest_name"]    = name; // filenme no path
     upload_params["file_path"]    = path;
 
+    NetworkAgent *agent = wxGetApp().getAgent();
+    if (!agent || !agent->get_printer_agent()) {
+        BOOST_LOG_TRIVIAL(error) << __FUNCTION__ << ": no printer agent available";
+        show_file_transfer_error(PrintDialogStatus::PrintStatusPublicUploadFiled,
+                                 _L("The selected printer does not support file transfer."));
+        return;
+    }
+
       BOOST_LOG_TRIVIAL(info) << __FUNCTION__ << ": Begin CreateUploadFileJob";
-    m_filetransfer_uploadfile_job = std::make_unique<FileTransferJob>(module(), std::string(upload_params.dump()));
+    try {
+        m_filetransfer_uploadfile_job = agent->get_printer_agent()->create_file_transfer_job(std::string(upload_params.dump()));
+    } catch (const std::exception& e) {
+        BOOST_LOG_TRIVIAL(error) << __FUNCTION__ << ": failed to create upload job: " << e.what();
+    }
+    if (!m_filetransfer_uploadfile_job || !m_filetransfer_uploadfile_job->check_valid()) {
+        show_file_transfer_error(PrintDialogStatus::PrintStatusPublicUploadFiled,
+                                 _L("The selected printer does not support file transfer."));
+        return;
+    }
     m_filetransfer_uploadfile_job->on_result([this](int res, int resp_ec, std::string json_res, std::vector<std::byte> bin_res) { //
         CallAfter([this, res, resp_ec, json_res, bin_res] {
             UploadFileRessultCallback(res, resp_ec,json_res, bin_res);
@@ -1942,10 +2005,11 @@ void SendToPrinterDialog::CreateUploadFileJob(const std::string &path, const std
         });
     });
     // Guard against a null transfer tunnel before dereferencing.
-    if (m_filetransfer_tunnel) {
+    if (m_filetransfer_tunnel && m_filetransfer_tunnel->check_valid()) {
         m_filetransfer_uploadfile_job->start_on(*m_filetransfer_tunnel);
     } else {
-        BOOST_LOG_TRIVIAL(info) << __FUNCTION__ << ": file transfer tunnel is null";
+        show_file_transfer_error(PrintDialogStatus::PrintStatusPublicUploadFiled,
+                                 _L("The selected printer does not support file transfer."));
     }
 }
 

src/slic3r/GUI/SendToPrinter.hpp

@@ -24,6 +24,7 @@
 #include <wx/wrapsizer.h>
 #include <wx/srchctrl.h>
 
+#include "IPrinterAgent.hpp"
 #include "SelectMachine.hpp"
 #include "GUI_Utils.hpp"
 #include "wxExtensions.hpp"
@@ -43,8 +44,6 @@
 
 
 namespace Slic3r {
-class FileTransferTunnel;
-class FileTransferJob;
 
 namespace GUI {
 
@@ -171,9 +170,9 @@ private:
     enum ConnectionStatus { NOT_START, CONNECTING, CONNECTED, CONNECTION_FAILED, DISCONNECTED };
     ConnectionStatus m_connection_status{ConnectionStatus::NOT_START};
 
-    std::unique_ptr<FileTransferTunnel> m_filetransfer_tunnel;
+    std::unique_ptr<IFileTransferTunnel> m_filetransfer_tunnel;
-    std::unique_ptr<FileTransferJob>    m_filetransfer_mediability_job;
+    std::unique_ptr<IFileTransferJob>    m_filetransfer_mediability_job;
-    std::unique_ptr<FileTransferJob>    m_filetransfer_uploadfile_job;
+    std::unique_ptr<IFileTransferJob>    m_filetransfer_uploadfile_job;
     wxDateTime                          m_last_refresh_time;
 
 public:
@@ -223,6 +222,7 @@ public:
 private:
     void ResetConnectMethod();
     void ResetTunnelAndJob();
+    void show_file_transfer_error(PrintDialogStatus status, wxString message);
     void OnConnection(bool is_success, int error_code, std::string error_msg);
     void CreateMediaAbilityJob();
     void CreateUploadFileJob(const std::string &path, const std::string &name);

src/slic3r/Utils/BBLCloudServiceAgent.cpp

@@ -1,5 +1,6 @@
 #include "BBLCloudServiceAgent.hpp"
 #include "BBLNetworkPlugin.hpp"
+#include "NetworkAgent.hpp"
 
 #include <boost/log/trivial.hpp>
 #include "Http.hpp"
@@ -606,13 +607,47 @@ int BBLCloudServiceAgent::modify_printer_name(std::string dev_id, std::string de
 // Model Mall & Publishing
 // ============================================================================
 
-int BBLCloudServiceAgent::get_camera_url(std::string dev_id, std::function<void(std::string)> callback)
+int BBLCloudServiceAgent::get_camera_url(std::string dev_id, std::function<void(CameraURLResult)> callback, CameraURLParams params)
 {
     auto& plugin = BBLNetworkPlugin::instance();
     auto agent = plugin.get_agent();
     auto func = plugin.get_get_camera_url();
     if (func && agent) {
-        return func(agent, dev_id, callback);
+        auto make_result = [](std::string url) {
+            CameraURLResult result;
+            result.url = std::move(url);
+            result.is_success = result.url.rfind("bambu:///", 0) == 0;
+            if (result.is_success) {
+                result.error_code = 0;
+            } else if (!result.url.empty() && result.url.back() == ']') {
+                const auto start = result.url.rfind('[');
+                if (start != std::string::npos && start + 1 < result.url.size() - 1) {
+                    try {
+                        result.error_code = std::stoi(result.url.substr(start + 1, result.url.size() - start - 2));
+                    } catch (...) {
+                    }
+                }
+            }
+            return result;
+        };
+        if (params.apply_meta) {
+            auto decorated_callback = [callback = std::move(callback), params = std::move(params), make_result](std::string url) {
+                CameraURLResult result = make_result(std::move(url));
+                if (result.is_success) {
+                    result.url += "&device=" + params.device;
+                    result.url += "&net_ver=" + params.network_version;
+                    result.url += "&dev_ver=" + params.device_version;
+                    result.url += "&refresh_url=" + params.refresh_url;
+                    result.url += "&cli_id=" + params.client_id;
+                    result.url += "&cli_ver=" + params.client_version;
+                }
+                callback(std::move(result));
+            };
+            return func(agent, std::move(dev_id), std::move(decorated_callback));
+        }
+        return func(agent, std::move(dev_id), [callback = std::move(callback), make_result](std::string url) {
+            callback(make_result(std::move(url)));
+        });
     }
     return -1;
 }

src/slic3r/Utils/BBLCloudServiceAgent.hpp

@@ -89,7 +89,7 @@ public:
     int modify_printer_name(std::string dev_id, std::string dev_name) override;
 
     // Model Mall & Publishing
-    int get_camera_url(std::string dev_id, std::function<void(std::string)> callback) override;
+    int get_camera_url(std::string dev_id, std::function<void(CameraURLResult)> callback, CameraURLParams params) override;
     int get_design_staffpick(int offset, int limit, std::function<void(std::string)> callback) override;
     int start_publish(PublishParams params, OnUpdateStatusFn update_fn, WasCancelledFn cancel_fn, std::string* out) override;
     int get_model_publish_url(std::string* url) override;

src/slic3r/Utils/BBLPrinterAgent.cpp

@@ -1,14 +1,208 @@
 #include "BBLPrinterAgent.hpp"
 #include "BBLNetworkPlugin.hpp"
+#include "FileTransferUtils.hpp"
+#include "IPrinterAgent.hpp"
 #include "NetworkAgentFactory.hpp"
+#include "NetworkAgent.hpp"
 
 #include <boost/format.hpp>
 #include <boost/log/trivial.hpp>
+#include <memory>
 #include <nlohmann/json.hpp>
 #include <cmath>
+#include <slic3r/GUI/DeviceManager.hpp>
+#include <libslic3r/Utils.hpp>
 
 namespace Slic3r {
 
+// ============================================================================
+// File Transfer (Bambu eMMC tunnel ABI)
+// ============================================================================
+
+BBLFileTransferTunnel::BBLFileTransferTunnel(const std::string &url) : IFileTransferTunnel(url)
+{
+    FileTransferModule &m = module();
+    m_ = &m;
+    // Guard against missing symbols in older Bambu networking plugins.
+    // These symbols were added in a newer plugin ABI; if the installed
+    // plugin predates them, ft_tunnel_create/ft_tunnel_set_status_cb
+    // will be null and calling them crashes.
+    if (!m_->ft_tunnel_create || !m_->ft_tunnel_set_status_cb) {
+        throw std::runtime_error("Bambu networking plugin is too old: missing ft_tunnel_* symbols. "
+                                 "Please update the networking plugin.");
+    }
+    FT_TunnelHandle *h{};
+    if (m_->ft_tunnel_create(url.c_str(), &h) != 0 || !h) {
+        throw std::runtime_error("ft_tunnel_create failed");
+    }
+    h_ = h;
+
+    // C API: ft_status_cb(void* user, int old_status, int new_status, int err, const char* msg)
+    auto tramp = [](void *user, int old_status, int new_status, int err_code, const char *msg) noexcept {
+        auto *self    = reinterpret_cast<BBLFileTransferTunnel *>(user);
+        self->status_ = new_status;
+        if (!self->status_cb_) return;
+        try {
+            self->status_cb_(old_status, new_status, err_code, std::string(msg ? msg : ""));
+        } catch (...) {}
+    };
+    if (m_->ft_tunnel_set_status_cb(h_, tramp, this) == ft_err::FT_EXCEPTION) { throw std::runtime_error("ft_tunnel_set_status_cb failed"); }
+}
+
+void BBLFileTransferTunnel::start_connect()
+{
+    // C API: ft_conn_cb(void* user, int ok, int err, const char* msg)
+    auto tramp = [](void *user, int ok, int ec, const char *msg) noexcept {
+        auto *pcb = reinterpret_cast<ConnectionCb *>(user);
+        if (!pcb) return;
+        try {
+            (*pcb)(ok == 0, ec, std::string(msg ? msg : ""));
+        } catch (...) {}
+    };
+    if (m_->ft_tunnel_start_connect(h_, tramp, &conn_cb_) == ft_err::FT_EXCEPTION) { throw std::runtime_error("ft_tunnel_start_connect failed"); }
+}
+
+bool BBLFileTransferTunnel::sync_start_connect()
+{
+    return m_->ft_tunnel_sync_connect(h_) == FT_OK;
+}
+
+void BBLFileTransferTunnel::shutdown()
+{
+    if (m_->ft_tunnel_shutdown) (void) m_->ft_tunnel_shutdown(h_);
+}
+
+BBLFileTransferJob::BBLFileTransferJob(const std::string &params_json) : IFileTransferJob(params_json)
+{
+    m_ = &module();
+    FT_JobHandle *h{};
+    if (m_->ft_job_create(params_json.c_str(), &h) != 0 || !h) {
+        throw std::runtime_error("ft_job_create failed");
+    }
+    h_ = h;
+
+    // C API: ft_job_result_cb(void* user, int tunnel_err, ft_job_result result)
+    auto tramp = [](void *user, ft_job_result r) noexcept {
+        auto *self = reinterpret_cast<BBLFileTransferJob *>(user);
+        if (!self) return;
+
+        try {
+            self->finished_ = true;
+            self->solve_result(r);
+            if (self->result_cb_) self->result_cb_(self->res_, self->resp_ec_, self->res_json_, self->res_bin_);
+        } catch (...) {
+            // swallow
+        }
+
+        try {
+            if (auto *mod = self ? self->m_ : nullptr) {
+                if (mod->ft_job_result_destroy)
+                    mod->ft_job_result_destroy(&r);
+                else if (mod->ft_free) {
+                    if (r.json) mod->ft_free((void *) r.json);
+                    if (r.bin) mod->ft_free((void *) r.bin);
+                }
+            }
+        } catch (...) {}
+    };
+
+    if (m_->ft_job_set_result_cb(h_, tramp, this) == ft_err::FT_EXCEPTION) { throw std::runtime_error("ft_job_set_result_cb failed"); }
+}
+
+bool BBLFileTransferJob::get_result(int &ec, int &resp_ec, std::string &json, std::vector<std::byte> &bin, uint32_t timeout_ms)
+{
+    if (!h_) throw std::runtime_error("job handle invalid");
+    ft_job_result result;
+    if (m_->ft_job_get_result(h_, timeout_ms, &result) == ft_err::FT_EXCEPTION) return false;
+    solve_result(result);
+    m_->ft_job_result_destroy(&result);
+    ec      = res_;
+    resp_ec = res_;
+    json    = res_json_;
+    bin     = res_bin_;
+    return true;
+}
+
+void BBLFileTransferJob::start_on(IFileTransferTunnel &t)
+{
+    if (!h_) throw std::runtime_error("job handle invalid");
+    auto *handle = reinterpret_cast<FT_TunnelHandle *>(t.native());
+    if (m_->ft_tunnel_start_job(handle, h_) == ft_err::FT_EXCEPTION) { throw std::runtime_error("ft_tunnel_start_job failed"); }
+}
+
+void BBLFileTransferJob::on_msg(MsgCb cb)
+{
+    IFileTransferJob::on_msg(std::move(cb));
+    if (!h_) return;
+
+    // C API: ft_job_msg_cb(void* user, ft_job_msg msg)
+    auto tramp = [](void *user, ft_job_msg m) noexcept {
+        auto *self = reinterpret_cast<BBLFileTransferJob *>(user);
+        if (!self) return;
+        try {
+            if (self->msg_cb_) { self->msg_cb_(m.kind, std::string(m.json ? m.json : "")); }
+        } catch (...) {}
+
+        try {
+            if (auto *mod = self->m_) {
+                if (mod->ft_job_msg_destroy)
+                    mod->ft_job_msg_destroy(&m);
+                else if (mod->ft_free && m.json)
+                    mod->ft_free((void *) m.json);
+            }
+        } catch (...) {}
+    };
+
+    if (m_->ft_job_set_msg_cb(h_, tramp, this) == ft_err::FT_EXCEPTION) { throw std::runtime_error("ft_job_set_msg_cb failed"); }
+}
+
+bool BBLFileTransferJob::try_get_msg(int &kind, std::string &json)
+{
+    if (!h_) return false;
+    ft_job_msg m{};
+    int        rc = m_->ft_job_try_get_msg(h_, &m);
+    if (rc != 0) return false;
+
+    kind = m.kind;
+    json.assign(m.json ? m.json : "");
+
+    if (m_->ft_job_msg_destroy)
+        m_->ft_job_msg_destroy(&m);
+    else if (m_->ft_free && m.json)
+        m_->ft_free((void *) m.json);
+
+    return true;
+}
+
+bool BBLFileTransferJob::get_msg(uint32_t timeout_ms, int &kind, std::string &json)
+{
+    if (!h_) return false;
+    ft_job_msg m{};
+    int        rc = m_->ft_job_get_msg(h_, timeout_ms, &m);
+    if (rc != 0) return false;
+
+    kind = m.kind;
+    json.assign(m.json ? m.json : "");
+
+    if (m_->ft_job_msg_destroy)
+        m_->ft_job_msg_destroy(&m);
+    else if (m_->ft_free && m.json)
+        m_->ft_free((void *) m.json);
+
+    return true;
+}
+
+void BBLFileTransferJob::solve_result(ft_job_result result)
+{
+    res_     = result.ec;
+    resp_ec_ = result.resp_ec;
+
+    res_bin_.clear();
+    if (result.bin && result.bin_size) res_bin_.assign(reinterpret_cast<const std::byte *>(result.bin),
+        reinterpret_cast<const std::byte *>(result.bin) + result.bin_size);
+    res_json_.assign(result.json ? result.json : "");
+}
+
 BBLPrinterAgent::BBLPrinterAgent() = default;
 
 BBLPrinterAgent::~BBLPrinterAgent() = default;
@@ -246,9 +440,70 @@ int BBLPrinterAgent::send_message_to_printer(std::string dev_id, std::string jso
     return -1;
 }
 
-std::string BBLPrinterAgent::get_local_camera_url(std::string dev_ip, std::string username, std::string password)
+std::string BBLPrinterAgent::get_local_camera_url(CameraURLParams params)
 {
-    return "bambu:///local/" + dev_ip + ".?port=6000&user=" + username + "&passwd=" + password;
+    std::string url;
+    if (params.protocol == LVL_Local)
+        url = "bambu:///local/" + params.ip_address + ".?port=6000&user=" + params.user + "&passwd=" + params.password;
+    else if (params.protocol == LVL_Rtsps)
+        url = "bambu:///rtsps___" + params.user + ":" + params.password + "@" + params.ip_address + "/streaming/live/1?proto=rtsps";
+    else if (params.protocol == LVL_Rtsp)
+        url = "bambu:///rtsp___" + params.user + ":" + params.password + "@" + params.ip_address + "/streaming/live/1?proto=rtsp";
+    else
+        url = "bambu:///local/" + params.ip_address + ".?port=6000&user=" + params.user + "&passwd=" + params.password;
+
+    url += "&device=" + params.device;
+    url += "&net_ver=" + params.network_version;
+    url += "&dev_ver=" + params.device_version;
+    url += "&cli_id=" + params.client_id;
+    url += "&cli_ver=" + params.client_version;
+    return url;
+}
+
+std::string BBLPrinterAgent::get_local_file_transfer_url(const FileTransferURLParams& params)
+{
+    // Keep the historical PartSkipDialog URL unchanged. It is a file-transfer
+    // tunnel URL, not a camera URL, so it intentionally has no camera metadata
+    // suffix and no dot before the query string.
+    return "bambu:///local/" + params.ip_address + "?port=6000&user=" + params.username + "&passwd=" + params.password;
+}
+
+int BBLPrinterAgent::get_file_transfer_url(std::string dev_id, std::function<void(FileTransferURLResult)> callback,
+                                           FileTransferURLParams params)
+{
+    if (params.url_state == URL_TCP) {
+        FileTransferURLResult result;
+        result.url = get_local_file_transfer_url(params);
+        result.is_success = !result.url.empty();
+        result.error_code = result.is_success ? 0 : -1;
+        if (callback)
+            callback(std::move(result));
+        return result.is_success ? 0 : -1;
+    }
+
+    if (!m_cloud_agent) {
+        if (callback)
+            callback({});
+        return -1;
+    }
+
+    const std::string protocols = "\"tutk\",\"agora\"";
+    return m_cloud_agent->get_camera_url(
+        std::move(dev_id) + "|" + params.device_version + "|" + protocols,
+        std::move(callback),
+        CameraURLParams{
+            "",
+            "",
+            "",
+            LVL_None,
+            params.device_id,
+            params.network_version,
+            params.device_version,
+            params.refresh_url,
+            params.client_id,
+            params.client_version,
+            true
+        });
 }
 
 // ============================================================================
@@ -512,6 +767,15 @@ int BBLPrinterAgent::start_local_print_with_record(PrintParams params, OnUpdateS
         BBLNetworkPlugin::instance().get_start_local_print_with_record(), params, update_fn, cancel_fn, wait_fn);
 }
 
+int BBLPrinterAgent::verify_local_print_access(PrintParams params)
+{
+    params.project_name = "verify_job";
+    params.filename = Slic3r::resources_dir() + "/check_access_code.txt";
+    params.try_emmc_print = false;
+
+    return start_send_gcode_to_sdcard(params, nullptr, nullptr, nullptr);
+}
+
 int BBLPrinterAgent::start_send_gcode_to_sdcard(PrintParams params, OnUpdateStatusFn update_fn, WasCancelledFn cancel_fn, OnWaitFn wait_fn)
 {
     int result = dispatch_start<func_start_send_gcode_to_sdcard_legacy, func_start_send_gcode_to_sdcard_0203>(
@@ -527,6 +791,16 @@ int BBLPrinterAgent::start_send_gcode_to_sdcard(PrintParams params, OnUpdateStat
 
 int BBLPrinterAgent::start_local_print(PrintParams params, OnUpdateStatusFn update_fn, WasCancelledFn cancel_fn)
 {
+    if (params.connection_type == "lan" && params.print_type == "from_normal") {
+        const int verify_result = verify_local_print_access(params);
+        if (verify_result != 0) {
+            BOOST_LOG_TRIVIAL(error) << "LAN connection verification failed: result=" << verify_result
+                << ", dev_ip=" << params.dev_ip << ", dev_id=" << params.dev_id
+                << ", password_length=" << params.password.size();
+            return ORCA_NETWORK_ERR_ACCESS_VERIFICATION_FAILED;
+        }
+    }
+
     return dispatch_start<func_start_local_print_legacy, func_start_local_print_0203>(
         BBLNetworkPlugin::instance().get_start_local_print(), params, update_fn, cancel_fn);
 }
@@ -639,4 +913,17 @@ FilamentSyncMode BBLPrinterAgent::get_filament_sync_mode() const
     return FilamentSyncMode::subscription;
 }
 
+std::unique_ptr<IFileTransferTunnel> BBLPrinterAgent::create_file_transfer_tunnel(std::string& dev_ip, std::string& access_code) {
+    std::string url        = "bambu:///local/" + dev_ip + "?port=6000&user=" + default_lan_username() + "&passwd=" + access_code;
+    return std::make_unique<BBLFileTransferTunnel>(url);
+}
+
+std::unique_ptr<IFileTransferTunnel> BBLPrinterAgent::create_file_transfer_tunnel_from_url(std::string url) {
+    return std::make_unique<BBLFileTransferTunnel>(url);
+}
+
+std::unique_ptr<IFileTransferJob> BBLPrinterAgent::create_file_transfer_job(std::string params_json) {
+    return std::make_unique<BBLFileTransferJob>(params_json);
+}
+
 } // namespace Slic3r

src/slic3r/Utils/BBLPrinterAgent.hpp

@@ -3,12 +3,83 @@
 
 #include "IPrinterAgent.hpp"
 #include "ICloudServiceAgent.hpp"
+#include "FileTransferUtils.hpp"
 #include <string>
 #include <memory>
 #include <nlohmann/json.hpp>
 
 namespace Slic3r {
 
+/**
+ * BBLFileTransferTunnel - Bambu eMMC tunnel, backed by the Bambu network
+ * plugin's ft_tunnel_* ABI (see FileTransferUtils.hpp). Only BBLPrinterAgent
+ * constructs these; callers only ever see them through IFileTransferTunnel.
+ */
+class BBLFileTransferTunnel : public IFileTransferTunnel
+{
+public:
+    BBLFileTransferTunnel(const std::string &url);
+    ~BBLFileTransferTunnel() override { reset(); }
+
+    void start_connect() override;
+    bool sync_start_connect() override;
+    void shutdown() override;
+    bool check_valid() const override { return h_ != nullptr; }
+    void *native() const noexcept override { return h_; }
+
+private:
+    void reset() noexcept
+    {
+        if (h_) {
+            m_->ft_tunnel_release(h_);
+            h_ = nullptr;
+        }
+    }
+
+    FileTransferModule *m_{};
+    FT_TunnelHandle    *h_{};
+};
+
+/**
+ * BBLFileTransferJob - a single ft_job_* operation (media-ability query,
+ * file upload, ...) run on a BBLFileTransferTunnel. Same ABI-wrapper role
+ * as BBLFileTransferTunnel; only BBLPrinterAgent constructs these.
+ */
+class BBLFileTransferJob : public IFileTransferJob
+{
+public:
+    explicit BBLFileTransferJob(const std::string &params_json);
+    ~BBLFileTransferJob() override { reset(); }
+
+    bool get_result(int &ec, int &resp_ec, std::string &json, std::vector<std::byte> &bin, uint32_t timeout_ms) override;
+    void start_on(IFileTransferTunnel &t) override;
+    // why: unlike on_result() (fires from a trampoline registered once in the ctor),
+    // ft_job_set_msg_cb is only wired up here, lazily, on first real subscriber -
+    // that ABI call has to happen in the concrete class, not the vendor-neutral base.
+    void on_msg(MsgCb cb) override;
+    bool try_get_msg(int &kind, std::string &json) override;
+    bool get_msg(uint32_t timeout_ms, int &kind, std::string &json) override;
+    void *native() const noexcept override { return h_; }
+    bool check_valid() const override { return h_ != nullptr; }
+    void cancel() override
+    {
+        if (m_->ft_job_cancel && h_) m_->ft_job_cancel(h_);
+    }
+
+private:
+    void reset() noexcept
+    {
+        if (h_) {
+            m_->ft_job_release(h_);
+            h_ = nullptr;
+        }
+    }
+    void solve_result(ft_job_result result);
+
+    FileTransferModule *m_{};
+    FT_JobHandle        *h_{};
+};
+
 /**
  * BBLPrinterAgent - BBL DLL wrapper implementation of IPrinterAgent.
  *
@@ -45,7 +116,10 @@ public:
     int connect_printer(std::string dev_id, std::string dev_ip, std::string username, std::string password, bool use_ssl) override;
     int disconnect_printer() override;
     int send_message_to_printer(std::string dev_id, std::string json_str, int qos, int flag) override;
-    std::string get_local_camera_url(std::string dev_ip, std::string username, std::string password) override;
+    std::string get_local_camera_url(CameraURLParams params) override;
+    std::string get_local_file_transfer_url(const FileTransferURLParams& params) override;
+    int get_file_transfer_url(std::string dev_id, std::function<void(FileTransferURLResult)> callback,
+                              FileTransferURLParams params) override;
     std::string default_lan_username() const override { return "bblp"; }
 
     // Certificates
@@ -100,7 +174,13 @@ public:
     int set_queue_on_main_fn(QueueOnMainFn fn) override;
     FilamentSyncMode get_filament_sync_mode() const override;
 
+    std::unique_ptr<IFileTransferTunnel> create_file_transfer_tunnel(std::string& dev_ip, std::string& access_code) override;
+    std::unique_ptr<IFileTransferTunnel> create_file_transfer_tunnel_from_url(std::string url) override;
+    std::unique_ptr<IFileTransferJob> create_file_transfer_job(std::string params_json) override;
+
 private:
+    int verify_local_print_access(PrintParams params);
+
     // 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/FileTransferUtils.cpp

@@ -1,8 +1,4 @@
-#include <wx/wx.h>
-#include <type_traits>
 #include "FileTransferUtils.hpp"
-#include "slic3r/GUI/GUI_App.hpp"
-#include "slic3r/GUI/DeviceCore/DevManager.h"
 
 namespace Slic3r {
 
@@ -37,191 +33,4 @@ FileTransferModule::FileTransferModule(ModuleHandle networking_module, int requi
     ft_job_get_msg     = sym_lookup<fn_ft_job_get_msg>(networking_, "ft_job_get_msg");
 }
 
-FileTransferTunnel::FileTransferTunnel(FileTransferModule &m, const std::string &url) : m_(&m)
-{
-    // Guard against missing symbols in older Bambu networking plugins.
-    // These symbols were added in a newer plugin ABI; if the installed
-    // plugin predates them, ft_tunnel_create/ft_tunnel_set_status_cb
-    // will be null and calling them crashes.
-    if (!m_->ft_tunnel_create || !m_->ft_tunnel_set_status_cb) {
-        throw std::runtime_error("Bambu networking plugin is too old: missing ft_tunnel_* symbols. "
-                                 "Please update the networking plugin.");
-    }
-    FT_TunnelHandle *h{};
-    if (m_->ft_tunnel_create(url.c_str(), &h) != 0 || !h) {
-        throw std::runtime_error("ft_tunnel_create failed");
-    }
-    h_ = h;
-
-    // C API: ft_status_cb(void* user, int old_status, int new_status, int err, const char* msg)
-    auto tramp = [](void *user, int old_status, int new_status, int err_code, const char *msg) noexcept {
-        auto *self    = reinterpret_cast<FileTransferTunnel *>(user);
-        self->status_ = new_status;
-        if (!self->status_cb_) return;
-        try {
-            self->status_cb_(old_status, new_status, err_code, std::string(msg ? msg : ""));
-        } catch (...) {}
-    };
-    if (m_->ft_tunnel_set_status_cb(h_, tramp, this) == ft_err::FT_EXCEPTION) { throw std::runtime_error("ft_tunnel_set_status_cb failed"); }
-}
-
-void FileTransferTunnel::start_connect()
-{
-    // C API: ft_conn_cb(void* user, int ok, int err, const char* msg)
-    auto tramp = [](void *user, int ok, int ec, const char *msg) noexcept {
-        auto *pcb = reinterpret_cast<ConnectionCb *>(user);
-        if (!pcb) return;
-        try {
-            (*pcb)(ok == 0, ec, std::string(msg ? msg : ""));
-        } catch (...) {}
-    };
-    if (m_->ft_tunnel_start_connect(h_, tramp, &conn_cb_) == ft_err::FT_EXCEPTION) { throw std::runtime_error("ft_tunnel_start_connect failed"); }
-}
-
-bool FileTransferTunnel::sync_start_connect()
-{
-    return m_->ft_tunnel_sync_connect(h_) == FT_OK;
-}
-
-void FileTransferTunnel::on_connection(ConnectionCb cb) { conn_cb_ = std::move(cb); }
-void FileTransferTunnel::on_status(TunnelStatusCb cb) { status_cb_ = std::move(cb); }
-
-void FileTransferTunnel::shutdown()
-{
-    if (m_->ft_tunnel_shutdown) (void) m_->ft_tunnel_shutdown(h_);
-}
-
-FileTransferJob::FileTransferJob(FileTransferModule &m, const std::string &params_json) : m_(&m)
-{
-    FT_JobHandle *h{};
-    if (m_->ft_job_create(params_json.c_str(), &h) != 0 || !h) {
-
-    }
-    h_ = h;
-
-    // C API: ft_job_result_cb(void* user, int tunnel_err, ft_job_result result)
-    auto tramp = [](void *user, ft_job_result r) noexcept {
-        auto *self = reinterpret_cast<FileTransferJob *>(user);
-        if (!self) return;
-
-        try {
-            self->finished_ = true;
-            self->solve_result(r);
-
-            if (self->result_cb_) self->result_cb_(self->res_, self->resp_ec_, self->res_json_, self->res_bin_);
-            self->m_->ft_job_result_destroy(&r);
-        } catch (...) {
-            // swallow
-        }
-
-        try {
-            if (auto *mod = self ? self->m_ : nullptr) {
-                if (mod->ft_job_result_destroy)
-                    mod->ft_job_result_destroy(&r);
-                else if (mod->ft_free) {
-                    if (r.json) mod->ft_free((void *) r.json);
-                    if (r.bin) mod->ft_free((void *) r.bin);
-                }
-            }
-        } catch (...) {}
-    };
-
-    if (m_->ft_job_set_result_cb(h_, tramp, this) == ft_err::FT_EXCEPTION) { throw std::runtime_error("ft_job_set_result_cb failed"); }
-}
-
-void FileTransferJob::on_result(ResultCb cb) { result_cb_ = std::move(cb); }
-
-bool FileTransferJob::get_result(int &ec, int &resp_ec, std::string &json, std::vector<std::byte> &bin, uint32_t timeout_ms)
-{
-    if (!h_) throw std::runtime_error("job handle invalid");
-    ft_job_result result;
-    if (m_->ft_job_get_result(h_, timeout_ms, &result) == ft_err::FT_EXCEPTION) return false;
-    solve_result(result);
-    m_->ft_job_result_destroy(&result);
-    ec = res_;
-    resp_ec = res_;
-    json    = res_json_;
-    bin     = res_bin_;
-    return true;
-}
-
-void FileTransferJob::start_on(FileTransferTunnel &t)
-{
-    if (!h_) throw std::runtime_error("job handle invalid");
-    if (m_->ft_tunnel_start_job(t.native(), h_) == ft_err::FT_EXCEPTION) { throw std::runtime_error("ft_tunnel_start_job failed"); }
-}
-
-void FileTransferJob::on_msg(MsgCb cb)
-{
-    msg_cb_ = std::move(cb);
-    if (!h_) return;
-
-    // C API: ft_job_msg_cb(void* user, ft_job_msg msg)
-    auto tramp = [](void *user, ft_job_msg m) noexcept {
-        auto *self = reinterpret_cast<FileTransferJob *>(user);
-        if (!self) return;
-        try {
-            if (self->msg_cb_) { self->msg_cb_(m.kind, std::string(m.json ? m.json : "")); }
-        } catch (...) {}
-
-        try {
-            if (auto *mod = self->m_) {
-                if (mod->ft_job_msg_destroy)
-                    mod->ft_job_msg_destroy(&m);
-                else if (mod->ft_free && m.json)
-                    mod->ft_free((void *) m.json);
-            }
-        } catch (...) {}
-    };
-
-    if (m_->ft_job_set_msg_cb(h_, tramp, this) == ft_err::FT_EXCEPTION) { throw std::runtime_error("ft_job_set_msg_cb failed"); }
-}
-
-bool FileTransferJob::try_get_msg(int &kind, std::string &json)
-{
-    if (!h_) return false;
-    ft_job_msg m{};
-    int        rc = m_->ft_job_try_get_msg(h_, &m);
-    if (rc != 0) return false;
-
-    kind = m.kind;
-    json.assign(m.json ? m.json : "");
-
-    if (m_->ft_job_msg_destroy)
-        m_->ft_job_msg_destroy(&m);
-    else if (m_->ft_free && m.json)
-        m_->ft_free((void *) m.json);
-
-    return true;
-}
-
-bool FileTransferJob::get_msg(uint32_t timeout_ms, int &kind, std::string &json)
-{
-    if (!h_) return false;
-    ft_job_msg m{};
-    int        rc = m_->ft_job_get_msg(h_, timeout_ms, &m);
-    if (rc != 0) return false;
-
-    kind = m.kind;
-    json.assign(m.json ? m.json : "");
-
-    if (m_->ft_job_msg_destroy)
-        m_->ft_job_msg_destroy(&m);
-    else if (m_->ft_free && m.json)
-        m_->ft_free((void *) m.json);
-
-    return true;
-}
-
-void FileTransferJob::solve_result(ft_job_result result)
-{
-    res_     = result.ec;
-    resp_ec_ = result.resp_ec;
-
-    res_bin_.clear();
-    if (result.bin && result.bin_size) res_bin_.assign(reinterpret_cast<const std::byte *>(result.bin),
-        reinterpret_cast<const std::byte *>(result.bin) + result.bin_size);
-    res_json_.assign(result.json ? result.json : "");
-}
-
 } // namespace Slic3r

src/slic3r/Utils/FileTransferUtils.hpp

@@ -1,13 +1,7 @@
 #pragma once
 #include <string>
-#include <functional>
-#include <vector>
-#include <cstddef>
 #include <cstdint>
 #include <stdexcept>
-#include <utility>
-#include <cstring>
-#include <memory>
 #include <boost/log/trivial.hpp>
 
 #ifdef _WIN32
@@ -134,103 +128,11 @@ struct FileTransferModule
     FileTransferModule &operator=(const FileTransferModule &) = delete;
 };
 
-class FileTransferTunnel
+// FileTransferTunnel/FileTransferJob (the OOP wrapper around the ft_tunnel_*/
-{
+// ft_job_* ABI below) live in BBLPrinterAgent.hpp as BBLFileTransferTunnel/
-public:
+// BBLFileTransferJob, implementing IFileTransferTunnel/IFileTransferJob
-    using ConnectionCb   = std::function<void(bool is_success, int err_code, std::string error_msg)>;
+// (IPrinterAgent.hpp) - this header stays the low-level symbol-table layer
-    using TunnelStatusCb = std::function<void(int old_status, int new_status, int err_code, std::string error_msg)>;
+// only, same role as bambu_networking.hpp's function pointer typedefs.
-
-    explicit FileTransferTunnel(FileTransferModule &m, const std::string &url);
-    ~FileTransferTunnel() { reset(); }
-
-    FileTransferTunnel(const FileTransferTunnel &)            = delete;
-    FileTransferTunnel &operator=(const FileTransferTunnel &) = delete;
-    FileTransferTunnel(FileTransferTunnel &&)                 = delete;
-    FileTransferTunnel &operator=(FileTransferTunnel &&)      = delete;
-
-    void start_connect();
-    bool sync_start_connect();
-    void on_connection(ConnectionCb cb);
-    void on_status(TunnelStatusCb cb);
-
-    void shutdown();
-
-    int              get_status() const { return status_; }
-    bool             check_valid() const { return h_ != nullptr; }
-    FT_TunnelHandle *native() const noexcept { return h_; }
-
-private:
-    void reset() noexcept
-    {
-        if (h_) {
-            m_->ft_tunnel_release(h_);
-            h_ = nullptr;
-        }
-    }
-
-    int                 status_{};
-    FileTransferModule *m_{};
-    FT_TunnelHandle    *h_{};
-    ConnectionCb        conn_cb_{};
-    TunnelStatusCb      status_cb_{};
-};
-
-class FileTransferJob
-{
-public:
-    using ResultCb = std::function<void(int res, int resp_ec, std::string json_res, std::vector<std::byte> bin_res)>;
-    using MsgCb = std::function<void(int kind, std::string json)>;
-
-    explicit FileTransferJob(FileTransferModule &m, const std::string &params_json);
-    ~FileTransferJob() { reset(); }
-
-    FileTransferJob(const FileTransferJob &)            = delete;
-    FileTransferJob &operator=(const FileTransferJob &) = delete;
-    FileTransferJob(FileTransferJob &&)                 = delete;
-    FileTransferJob &operator=(FileTransferJob &&)      = delete;
-
-    void on_result(ResultCb cb);
-
-    bool get_result(int &ec, int &resp_ec, std::string &json, std::vector<std::byte> &bin, uint32_t timeout_ms);
-
-    void start_on(FileTransferTunnel &t);
-
-    void on_msg(MsgCb cb);
-
-    bool try_get_msg(int &kind, std::string &json);
-
-    bool get_msg(uint32_t timeout_ms, int &kind, std::string &json);
-
-    FT_JobHandle *native() const noexcept { return h_; }
-    bool          check_valid() const { return h_ != nullptr; }
-    bool          finished() const { return finished_; }
-
-    void cancel()
-    {
-        if (m_->ft_job_cancel && h_) m_->ft_job_cancel(h_);
-    }
-
-private:
-    void reset() noexcept
-    {
-        if (h_) {
-            m_->ft_job_release(h_);
-            h_ = nullptr;
-        }
-    }
-
-    void solve_result(ft_job_result result);
-
-    FileTransferModule    *m_{};
-    FT_JobHandle          *h_{};
-    ResultCb               result_cb_{};
-    MsgCb                  msg_cb_{};
-    bool                   finished_ = false;
-    int                    res_      = 0;
-    int                    resp_ec_  = 0;
-    std::string            res_json_;
-    std::vector<std::byte> res_bin_;
-};
 
 namespace detail {
 inline FileTransferModule *g_mod = nullptr;

src/slic3r/Utils/ICloudServiceAgent.hpp

@@ -47,6 +47,9 @@ struct CloudEvent {
 using AppOnServerConnectedFn = std::function<void(CloudEvent event, int return_code, int reason_code)>;
 using AppOnHttpErrorFn = std::function<void(CloudEvent event, unsigned http_code, std::string http_body)>;
 
+struct CameraURLParams;
+struct CameraURLResult;
+
 class ICloudServiceAgent {
 public:
     virtual ~ICloudServiceAgent() = default;
@@ -328,7 +331,8 @@ public:
     /**
      * Request live camera streaming URL.
      */
-    virtual int get_camera_url(std::string dev_id, std::function<void(std::string)> callback) = 0;
+    virtual int get_camera_url(std::string dev_id, std::function<void(CameraURLResult)> callback,
+                               CameraURLParams params) = 0;
 
     /**
      * Fetch staff-picked designs from model mall.

src/slic3r/Utils/IPrinterAgent.hpp

@@ -2,6 +2,7 @@
 #define __I_PRINTER_AGENT_HPP__
 
 #include "bambu_networking.hpp"
+#include <slic3r/GUI/DeviceManager.hpp>
 // why: these extend the BAMBU_NETWORK_* return space rather than opening a new one - the value
 // flows through the same int domain callers already compare against BAMBU_NETWORK_SUCCESS.
 // They live here and not in bambu_networking.hpp because that file is a vendor header replaced
@@ -9,8 +10,14 @@
 // -70xx is free: the vendor occupies -1..-25 and -10xx through -60xx.
 #define ORCA_NETWORK_ERR_CMD_NOT_SUPPORTED -7010 // no translation exists for this command
 #define ORCA_NETWORK_ERR_CAP_NOT_AVAILABLE -7020 // a translation exists; this printer lacks the capability
+#define ORCA_NETWORK_ERR_ACCESS_VERIFICATION_FAILED -7030 // printer access preflight failed before printing
 #include <string>
 #include <memory>
+#include <vector>
+#include <functional>
+#include <cstdint>
+
+#include "NetworkAgent.hpp"
 
 namespace Slic3r {
 
@@ -43,6 +50,77 @@ enum class FilamentSyncMode {
     pull          ///< On-demand fetch via REST API (blocking call)
 };
 
+class IFileTransferTunnel
+{
+public:
+    using ConnectionCb   = std::function<void(bool is_success, int err_code, std::string error_msg)>;
+    using TunnelStatusCb = std::function<void(int old_status, int new_status, int err_code, std::string error_msg)>;
+
+    explicit IFileTransferTunnel(const std::string& url) : url_(url) {}
+    virtual ~IFileTransferTunnel() = default;
+
+    IFileTransferTunnel(const IFileTransferTunnel&)            = delete;
+    IFileTransferTunnel& operator=(const IFileTransferTunnel&) = delete;
+    IFileTransferTunnel(IFileTransferTunnel&&)                 = delete;
+    IFileTransferTunnel& operator=(IFileTransferTunnel&&)      = delete;
+
+    virtual void start_connect() = 0;
+    virtual bool sync_start_connect() = 0;
+    virtual void on_connection(ConnectionCb cb) { conn_cb_ = std::move(cb); }
+    virtual void on_status(TunnelStatusCb cb) { status_cb_ = std::move(cb); }
+
+    virtual void shutdown() = 0;
+
+    virtual int get_status() const { return status_; }
+    virtual bool check_valid() const = 0;
+
+    // why: IFileTransferJob::start_on() only ever sees a tunnel through this interface,
+    // but needs the concrete backend handle to hand to its own start-job call - native()
+    // is the type-erased escape hatch, same pattern IFileTransferJob::native() already uses.
+    virtual void *native() const noexcept { return nullptr; }
+
+protected:
+    std::string url_;
+    int status_{};
+    ConnectionCb conn_cb_{};
+    TunnelStatusCb status_cb_{};
+};
+
+class IFileTransferJob {
+public:
+    using ResultCb = std::function<void(int res, int resp_ec, std::string json_res, std::vector<std::byte> bin_res)>;
+    using MsgCb = std::function<void(int kind, std::string json)>;
+
+    explicit IFileTransferJob(const std::string &params_json) : params_json_(params_json) {}
+    virtual ~IFileTransferJob() = default;
+
+    IFileTransferJob(const IFileTransferJob &)            = delete;
+    IFileTransferJob &operator=(const IFileTransferJob &) = delete;
+    IFileTransferJob(IFileTransferJob &&)                 = delete;
+    IFileTransferJob &operator=(IFileTransferJob &&)      = delete;
+
+    virtual void on_result(ResultCb cb) { result_cb_ = std::move(cb); }
+    virtual bool get_result(int &ec, int &resp_ec, std::string &json, std::vector<std::byte> &bin, uint32_t timeout_ms) = 0;
+    virtual void start_on(IFileTransferTunnel &t) = 0;
+    virtual void on_msg(MsgCb cb) { msg_cb_ = std::move(cb); }
+    virtual bool try_get_msg(int &kind, std::string &json) = 0;
+    virtual bool get_msg(uint32_t timeout_ms, int &kind, std::string &json) = 0;
+    virtual void *native() const noexcept { return nullptr; }
+    virtual bool          check_valid() const = 0;
+    virtual bool          finished() const { return finished_; }
+    virtual void cancel() = 0;
+
+protected:
+    std::string             params_json_;
+    ResultCb                result_cb_{};
+    MsgCb                   msg_cb_{};
+    bool                    finished_ = false;
+    int                     res_      = 0;
+    int                     resp_ec_  = 0;
+    std::string             res_json_;
+    std::vector<std::byte>  res_bin_;
+};
+
 /**
  * IPrinterAgent - Interface for printer operations.
  *
@@ -111,8 +189,16 @@ public:
      * Build a ready-to-use local (LAN) camera stream URL for this agent's protocol.
      * Returns an empty string if the agent has no local camera stream support.
      */
-    virtual std::string get_local_camera_url(std::string dev_ip, std::string username, std::string password)
+    virtual std::string get_local_camera_url(CameraURLParams params) { return ""; }
-    { return {}; }
+
+    /**
+     * Build a ready-to-use local (LAN) file transfer URL for this agent's protocol.
+     * Returns an empty string if the agent has no local file transfer support.
+     */
+    virtual std::string get_local_file_transfer_url(const FileTransferURLParams& params) { return ""; }
+
+    virtual int get_file_transfer_url(std::string, std::function<void(FileTransferURLResult)>, FileTransferURLParams)
+    { return ORCA_NETWORK_ERR_CMD_NOT_SUPPORTED; }
 
     /**
      * Default LAN account username for this agent's protocol, if it has a fixed one.
@@ -326,6 +412,33 @@ public:
      * Populates the MachineObject's DevFilaSystem with fetched filament data.
      */
     virtual bool fetch_filament_info(std::string dev_id) { return false; }
+
+    /**
+     * Build a local eMMC transfer tunnel for this agent's protocol, if it has one.
+     * Returns nullptr if the agent has no local file-transfer tunnel concept
+     * (matches the inert-default pattern used by get_local_camera_url() etc. above -
+     * this stays non-pure so adding it doesn't force every IPrinterAgent implementation,
+     * including the Python plugin capability bridge, to override a Bambu-only concept).
+     */
+    virtual std::unique_ptr<IFileTransferTunnel> create_file_transfer_tunnel(std::string& dev_ip, std::string& access_code)
+    { return nullptr; }
+
+    /**
+     * Wrap an already-resolved transfer URL (e.g. a cloud-relay/TUTK URL obtained via
+     * a camera-url lookup) in a local transfer tunnel. Same inert-default reasoning as
+     * create_file_transfer_tunnel() above; use that one instead when building a tunnel
+     * straight from dev_ip/access_code.
+     */
+    virtual std::unique_ptr<IFileTransferTunnel> create_file_transfer_tunnel_from_url(std::string url)
+    { return nullptr; }
+
+    /**
+     * Build a file-transfer job (media-ability query, upload, ...) to run on a tunnel
+     * from create_file_transfer_tunnel()/create_file_transfer_tunnel_from_url(). Same
+     * inert-default reasoning as the tunnel factories above.
+     */
+    virtual std::unique_ptr<IFileTransferJob> create_file_transfer_job(std::string params_json)
+    { return nullptr; }
 };
 
 } // namespace Slic3r

src/slic3r/Utils/NetworkAgent.cpp

@@ -4,6 +4,7 @@
 #include <algorithm>
 
 #include <boost/log/trivial.hpp>
+#include "IPrinterAgent.hpp"
 #include "libslic3r/Utils.hpp"
 #include "NetworkAgent.hpp"
 #include "BBLNetworkPlugin.hpp"
@@ -507,11 +508,12 @@ int NetworkAgent::modify_printer_name(std::string dev_id, std::string dev_name,
     return -1;
 }
 
-int NetworkAgent::get_camera_url(std::string dev_id, std::function<void(std::string)> callback, const std::string& provider)
+int NetworkAgent::get_camera_url(std::string dev_id, std::function<void(CameraURLResult)> callback,
+                                 const std::string& provider, CameraURLParams params)
 {
     const auto cloud_agent = get_cloud_agent(provider);
     if (cloud_agent)
-        return cloud_agent->get_camera_url(std::move(dev_id), std::move(callback));
+        return cloud_agent->get_camera_url(std::move(dev_id), std::move(callback), std::move(params));
     return -1;
 }
 
@@ -852,13 +854,28 @@ int NetworkAgent::send_message_to_printer(std::string dev_id, std::string json_s
     return -1;
 }
 
-std::string NetworkAgent::get_local_camera_url(std::string dev_ip, std::string username, std::string password)
+std::string NetworkAgent::get_local_camera_url(CameraURLParams params)
 {
     if (m_printer_agent)
-        return m_printer_agent->get_local_camera_url(dev_ip, username, password);
+        return m_printer_agent->get_local_camera_url(params);
     return {};
 }
 
+std::string NetworkAgent::get_local_file_transfer_url(const FileTransferURLParams& params)
+{
+    if (m_printer_agent)
+        return m_printer_agent->get_local_file_transfer_url(params);
+    return {};
+}
+
+int NetworkAgent::get_file_transfer_url(std::string dev_id, std::function<void(FileTransferURLResult)> callback,
+                                        FileTransferURLParams params)
+{
+    if (m_printer_agent)
+        return m_printer_agent->get_file_transfer_url(std::move(dev_id), std::move(callback), std::move(params));
+    return -1;
+}
+
 std::string NetworkAgent::default_lan_username() const
 {
     if (m_printer_agent)

src/slic3r/Utils/NetworkAgent.hpp

@@ -2,9 +2,11 @@
 #define __NETWORK_Agent_HPP__
 
 #include "bambu_networking.hpp"
+
 #include "libslic3r/ProjectTask.hpp"
 #include "ICloudServiceAgent.hpp"
-#include "IPrinterAgent.hpp"
+#include "slic3r/GUI/DeviceManager.hpp"
+
 #include <map>
 #include <memory>
 #include <string>
@@ -12,6 +14,53 @@
 
 namespace Slic3r {
 
+class IPrinterAgent;
+enum class FilamentSyncMode;
+
+enum URL_STATE {
+    URL_TCP,
+    URL_TUTK,
+};
+
+struct CameraURLParams {
+    std::string ip_address;
+    std::string user;
+    std::string password;
+    LiveviewLocal protocol;
+    std::string device;
+    std::string network_version;
+    std::string device_version;
+    std::string refresh_url;
+    std::string client_id;
+    std::string client_version;
+    bool        apply_meta{false};
+};
+
+struct FileTransferURLParams {
+    URL_STATE   url_state{URL_TCP};
+    std::string ip_address;
+    std::string username;
+    std::string password;
+    std::string device_id;
+    std::string network_version;
+    std::string device_version;
+    std::string refresh_url;
+    std::string client_id;
+    std::string client_version;
+};
+
+struct FileTransferURLResult {
+    bool        is_success{false};
+    std::string url;
+    int         error_code{-1};
+};
+
+struct CameraURLResult {
+    bool        is_success{false};
+    std::string url;
+    int         error_code{-1};
+};
+
 // Forward declaration
 class BBLNetworkPlugin;
 
@@ -108,7 +157,8 @@ public:
     int get_slice_info(std::string project_id, std::string profile_id, int plate_index, std::string* slice_json, const std::string& provider = ORCA_CLOUD_PROVIDER);
     int query_bind_status(std::vector<std::string> query_list, unsigned int* http_code, std::string* http_body, const std::string& provider = ORCA_CLOUD_PROVIDER);
     int modify_printer_name(std::string dev_id, std::string dev_name, const std::string& provider = ORCA_CLOUD_PROVIDER);
-    int get_camera_url(std::string dev_id, std::function<void(std::string)> callback, const std::string& provider = ORCA_CLOUD_PROVIDER);
+    int get_camera_url(std::string dev_id, std::function<void(CameraURLResult)> callback,
+                       const std::string& provider = ORCA_CLOUD_PROVIDER, CameraURLParams params = {});
     int get_design_staffpick(int offset, int limit, std::function<void(std::string)> callback, const std::string& provider = ORCA_CLOUD_PROVIDER);
     int start_publish(PublishParams params, OnUpdateStatusFn update_fn, WasCancelledFn cancel_fn, std::string* out, const std::string& provider = ORCA_CLOUD_PROVIDER);
     int get_model_publish_url(std::string* url, const std::string& provider = ORCA_CLOUD_PROVIDER);
@@ -155,7 +205,10 @@ public:
     int connect_printer(std::string dev_id, std::string dev_ip, std::string username, std::string password, bool use_ssl);
     int disconnect_printer();
     int send_message_to_printer(std::string dev_id, std::string json_str, int qos, int flag);
-    std::string get_local_camera_url(std::string dev_ip, std::string username, std::string password);
+    std::string get_local_camera_url(CameraURLParams params);
+    std::string get_local_file_transfer_url(const FileTransferURLParams& params);
+    int get_file_transfer_url(std::string dev_id, std::function<void(FileTransferURLResult)> callback,
+                              FileTransferURLParams params = {});
     std::string default_lan_username() const;
     int check_cert();
     void install_device_cert(std::string dev_id, bool lan_only);

src/slic3r/Utils/OrcaCloudServiceAgent.cpp

@@ -1,4 +1,5 @@
 #include "OrcaCloudServiceAgent.hpp"
+#include "NetworkAgent.hpp"
 #include "Http.hpp"
 #include "libslic3r/Utils.hpp"
 #include "slic3r/GUI/GUI_App.hpp"
@@ -2698,11 +2699,12 @@ int OrcaCloudServiceAgent::modify_printer_name(std::string dev_id, std::string d
     return BAMBU_NETWORK_SUCCESS;
 }
 
-int OrcaCloudServiceAgent::get_camera_url(std::string dev_id, std::function<void(std::string)> callback)
+int OrcaCloudServiceAgent::get_camera_url(std::string dev_id, std::function<void(CameraURLResult)> callback, CameraURLParams params)
 {
+    (void) params;
     BOOST_LOG_TRIVIAL(debug) << "OrcaCloudServiceAgent: get_camera_url (stub)";
     if (callback)
-        callback("");
+        callback({});
     return BAMBU_NETWORK_SUCCESS;
 }
 

src/slic3r/Utils/OrcaCloudServiceAgent.hpp

@@ -240,7 +240,7 @@ public:
     // ========================================================================
     // ICloudServiceAgent Interface Implementation - Model Mall & Publishing
     // ========================================================================
-    int get_camera_url(std::string dev_id, std::function<void(std::string)> callback) override;
+    int get_camera_url(std::string dev_id, std::function<void(CameraURLResult)> callback, CameraURLParams params) override;
     int get_design_staffpick(int offset, int limit, std::function<void(std::string)> callback) override;
     int start_publish(PublishParams params, OnUpdateStatusFn update_fn, WasCancelledFn cancel_fn, std::string* out) override;
     int get_model_publish_url(std::string* url) override;