Files
OrcaSlicer/src/slic3r/Utils/MoonrakerPrinterAgent.cpp
Branden Cash 05cb8b4d89 feat(MoonrakerPrinterAgent): support Happy Hare as alternative to AFC for filament sync (#12307)
# Description


# Screenshots/Recordings/Graphs


https://github.com/user-attachments/assets/5558b4be-24eb-4f2d-83fd-8482560a0014

<img width="445" height="285" alt="Screenshot 2026-02-14 at 7 31 57 PM" src="https://github.com/user-attachments/assets/e71fee66-05da-4f9c-8123-0f52e93f0ebb" />


## Tests

Removed configured filaments and pressed the sync button. Observed the filaments configured in my system were populated.
2026-02-15 14:31:29 +08:00

2181 lines
77 KiB
C++

#include "MoonrakerPrinterAgent.hpp"
#include "Http.hpp"
#include "libslic3r/Preset.hpp"
#include "libslic3r/PresetBundle.hpp"
#include "slic3r/GUI/GUI_App.hpp"
#include "slic3r/GUI/DeviceCore/DevFilaSystem.h"
#include "slic3r/GUI/DeviceCore/DevManager.h"
#include "../GUI/DeviceCore/DevStorage.h"
#include "../GUI/DeviceCore/DevFirmware.h"
#include "nlohmann/json.hpp"
#include <boost/algorithm/string.hpp>
#include <boost/asio/connect.hpp>
#include <boost/asio/ip/tcp.hpp>
#include <boost/beast/core.hpp>
#include <boost/beast/websocket.hpp>
#include <boost/filesystem.hpp>
#include <boost/log/trivial.hpp>
#include <algorithm>
#include <chrono>
#include <cstdint>
#include <cctype>
#include <thread>
namespace {
namespace beast = boost::beast;
namespace http = beast::http;
namespace websocket = beast::websocket;
namespace net = boost::asio;
using tcp = net::ip::tcp;
struct WsEndpoint
{
std::string host;
std::string port;
std::string target;
bool secure = false;
};
bool parse_ws_endpoint(const std::string& base_url, WsEndpoint& endpoint)
{
if (base_url.empty()) {
return false;
}
std::string url = base_url;
if (boost::istarts_with(url, "https://")) {
endpoint.secure = true;
url = url.substr(8);
} else if (boost::istarts_with(url, "http://")) {
url = url.substr(7);
}
auto slash = url.find('/');
if (slash != std::string::npos) {
url = url.substr(0, slash);
}
if (url.empty()) {
return false;
}
endpoint.host = url;
endpoint.port = endpoint.secure ? "443" : "80";
if (auto colon = url.rfind(':'); colon != std::string::npos && url.find(']') == std::string::npos) {
endpoint.host = url.substr(0, colon);
endpoint.port = url.substr(colon + 1);
}
endpoint.target = "/websocket";
return !endpoint.host.empty() && !endpoint.port.empty();
}
std::string map_moonraker_state(std::string state)
{
boost::algorithm::to_lower(state);
if (state == "printing") {
return "RUNNING";
}
if (state == "paused") {
return "PAUSE";
}
if (state == "complete") {
return "FINISH";
}
if (state == "error" || state == "cancelled") {
return "FAILED";
}
return "IDLE";
}
} // namespace
namespace Slic3r {
const std::string MoonrakerPrinterAgent_VERSION = "1.0.0";
MoonrakerPrinterAgent::MoonrakerPrinterAgent(std::string log_dir) : m_cloud_agent(nullptr) { (void) log_dir; }
MoonrakerPrinterAgent::~MoonrakerPrinterAgent()
{
{
std::lock_guard<std::recursive_mutex> lock(connect_mutex);
device_info = MoonrakerDeviceInfo{};
++connect_generation;
}
if (connect_thread.joinable()) {
connect_thread.join();
}
stop_status_stream();
}
AgentInfo MoonrakerPrinterAgent::get_agent_info_static()
{
return AgentInfo{"moonraker", "Moonraker", MoonrakerPrinterAgent_VERSION, "Klipper/Moonraker printer agent"};
}
void MoonrakerPrinterAgent::set_cloud_agent(std::shared_ptr<ICloudServiceAgent> cloud)
{
std::lock_guard<std::recursive_mutex> lock(state_mutex);
m_cloud_agent = cloud;
}
int MoonrakerPrinterAgent::send_message(std::string dev_id, std::string json_str, int qos, int flag)
{
(void) qos;
(void) flag;
return handle_request(dev_id, json_str);
}
int MoonrakerPrinterAgent::send_message_to_printer(std::string dev_id, std::string json_str, int qos, int flag)
{
(void) qos;
(void) flag;
return handle_request(dev_id, json_str);
}
int MoonrakerPrinterAgent::connect_printer(std::string dev_id, std::string dev_ip, std::string username, std::string password, bool use_ssl)
{
if (dev_id.empty() || dev_ip.empty()) {
BOOST_LOG_TRIVIAL(error) << "MoonrakerPrinterAgent: connect_printer missing dev_id or dev_ip";
return BAMBU_NETWORK_ERR_INVALID_HANDLE;
}
std::string base_url;
std::string api_key;
uint64_t gen;
{
std::lock_guard<std::recursive_mutex> lock(connect_mutex);
init_device_info(dev_id, dev_ip, username, password, use_ssl);
gen = ++connect_generation;
base_url = device_info.base_url;
api_key = device_info.api_key;
if (connect_thread.joinable()) {
connect_thread.detach();
}
}
// Stop existing status stream and clear state
stop_status_stream();
{
std::lock_guard<std::recursive_mutex> lock(payload_mutex);
status_cache = nlohmann::json::object();
}
ws_last_emit_ms.store(0);
ws_last_dispatch_ms.store(0);
last_print_state.clear();
// Launch connection in background thread (capture by value to avoid data races)
{
std::lock_guard<std::recursive_mutex> lock(connect_mutex);
connect_thread = std::thread([this, dev_id, base_url, api_key, gen]() { perform_connection_async(dev_id, base_url, api_key, gen); });
}
return BAMBU_NETWORK_SUCCESS;
}
int MoonrakerPrinterAgent::disconnect_printer()
{
{
std::lock_guard<std::recursive_mutex> lock(connect_mutex);
device_info = MoonrakerDeviceInfo{};
++connect_generation; // Invalidate any in-flight connection
if (connect_thread.joinable()) {
connect_thread.detach();
}
}
stop_status_stream();
return BAMBU_NETWORK_SUCCESS;
}
int MoonrakerPrinterAgent::check_cert() { return BAMBU_NETWORK_SUCCESS; }
void MoonrakerPrinterAgent::install_device_cert(std::string dev_id, bool lan_only)
{
(void) dev_id;
(void) lan_only;
}
bool MoonrakerPrinterAgent::start_discovery(bool start, bool sending)
{
(void) sending;
if (start) {
announce_printhost_device();
}
return true;
}
int MoonrakerPrinterAgent::ping_bind(std::string ping_code)
{
(void) ping_code;
return BAMBU_NETWORK_SUCCESS;
}
int MoonrakerPrinterAgent::bind_detect(std::string dev_ip, std::string sec_link, detectResult& detect)
{
(void) sec_link;
detect.dev_id = device_info.dev_id.empty() ? dev_ip : device_info.dev_id;
detect.model_id = device_info.model_id.empty() ? device_info.model_name : device_info.model_id;
// Prefer fetched hostname, then preset model name, then generic fallback
detect.dev_name = device_info.dev_name;
detect.model_id = device_info.model_id;
detect.version = device_info.version;
detect.connect_type = "lan";
detect.bind_state = "free";
return BAMBU_NETWORK_SUCCESS;
}
int MoonrakerPrinterAgent::bind(
std::string dev_ip, std::string dev_id, std::string sec_link, std::string timezone, bool improved, OnUpdateStatusFn update_fn)
{
(void) dev_ip;
(void) dev_id;
(void) sec_link;
(void) timezone;
(void) improved;
(void) update_fn;
return BAMBU_NETWORK_SUCCESS;
}
int MoonrakerPrinterAgent::unbind(std::string dev_id)
{
(void) dev_id;
return BAMBU_NETWORK_SUCCESS;
}
int MoonrakerPrinterAgent::request_bind_ticket(std::string* ticket)
{
if (ticket)
*ticket = "";
return BAMBU_NETWORK_SUCCESS;
}
int MoonrakerPrinterAgent::set_server_callback(OnServerErrFn fn)
{
std::lock_guard<std::recursive_mutex> lock(state_mutex);
on_server_err_fn = fn;
return BAMBU_NETWORK_SUCCESS;
}
std::string MoonrakerPrinterAgent::get_user_selected_machine()
{
std::lock_guard<std::recursive_mutex> lock(state_mutex);
return selected_machine;
}
int MoonrakerPrinterAgent::set_user_selected_machine(std::string dev_id)
{
std::lock_guard<std::recursive_mutex> lock(state_mutex);
selected_machine = dev_id;
return BAMBU_NETWORK_SUCCESS;
}
int MoonrakerPrinterAgent::start_print(PrintParams params, OnUpdateStatusFn update_fn, WasCancelledFn cancel_fn, OnWaitFn wait_fn)
{
(void) params;
(void) update_fn;
(void) cancel_fn;
(void) wait_fn;
return BAMBU_NETWORK_SUCCESS;
}
int MoonrakerPrinterAgent::start_local_print_with_record(PrintParams params,
OnUpdateStatusFn update_fn,
WasCancelledFn cancel_fn,
OnWaitFn wait_fn)
{
(void) params;
(void) update_fn;
(void) cancel_fn;
(void) wait_fn;
return BAMBU_NETWORK_SUCCESS;
}
int MoonrakerPrinterAgent::start_send_gcode_to_sdcard(PrintParams params,
OnUpdateStatusFn update_fn,
WasCancelledFn cancel_fn,
OnWaitFn wait_fn)
{
(void) wait_fn;
if (update_fn)
update_fn(PrintingStageCreate, 0, "Preparing...");
std::string filename = params.filename;
if (filename.empty()) {
filename = params.task_name;
}
if (!boost::iends_with(filename, ".gcode")) {
filename += ".gcode";
}
// Sanitize filename to prevent path traversal attacks
std::string safe_filename = sanitize_filename(filename);
// Upload only, don't start print
if (!upload_gcode(params.filename, safe_filename, device_info.base_url, device_info.api_key, update_fn, cancel_fn)) {
return BAMBU_NETWORK_ERR_PRINT_SG_UPLOAD_FTP_FAILED;
}
if (update_fn)
update_fn(PrintingStageFinished, 100, "File uploaded");
return BAMBU_NETWORK_SUCCESS;
}
int MoonrakerPrinterAgent::start_local_print(PrintParams params, OnUpdateStatusFn update_fn, WasCancelledFn cancel_fn)
{
if (update_fn)
update_fn(PrintingStageCreate, 0, "Preparing...");
// Check cancellation
if (cancel_fn && cancel_fn()) {
return BAMBU_NETWORK_ERR_CANCELED;
}
// Determine the G-code file to upload
// params.filename may be .3mf, params.dst_file contains actual G-code
std::string gcode_path = params.filename;
if (!params.dst_file.empty()) {
gcode_path = params.dst_file;
}
// Check if file exists and has .gcode extension
namespace fs = boost::filesystem;
fs::path source_path(gcode_path);
if (!fs::exists(source_path)) {
BOOST_LOG_TRIVIAL(error) << "MoonrakerPrinterAgent: G-code file does not exist: " << gcode_path;
return BAMBU_NETWORK_ERR_FILE_NOT_EXIST;
}
// Extract filename for upload (relative to gcodes root)
std::string upload_filename = source_path.filename().string();
if (!boost::iends_with(upload_filename, ".gcode")) {
upload_filename += ".gcode";
}
// Sanitize filename to prevent path traversal attacks (extra safety)
upload_filename = sanitize_filename(upload_filename);
// Upload file
if (update_fn)
update_fn(PrintingStageUpload, 0, "Uploading G-code...");
if (!upload_gcode(gcode_path, upload_filename, device_info.base_url, device_info.api_key, update_fn, cancel_fn)) {
return BAMBU_NETWORK_ERR_PRINT_LP_UPLOAD_FTP_FAILED;
}
// Check cancellation
if (cancel_fn && cancel_fn()) {
return BAMBU_NETWORK_ERR_CANCELED;
}
// Start print via gcode script (simpler than JSON-RPC)
if (update_fn)
update_fn(PrintingStageSending, 0, "Starting print...");
std::string gcode = "SDCARD_PRINT_FILE FILENAME=" + upload_filename;
if (!send_gcode(device_info.dev_id, gcode)) {
return BAMBU_NETWORK_ERR_PRINT_LP_PUBLISH_MSG_FAILED;
}
if (update_fn)
update_fn(PrintingStageFinished, 100, "Print started");
return BAMBU_NETWORK_SUCCESS;
}
int MoonrakerPrinterAgent::start_sdcard_print(PrintParams params, OnUpdateStatusFn update_fn, WasCancelledFn cancel_fn)
{
(void) params;
(void) update_fn;
(void) cancel_fn;
return BAMBU_NETWORK_SUCCESS;
}
int MoonrakerPrinterAgent::set_on_ssdp_msg_fn(OnMsgArrivedFn fn)
{
{
std::lock_guard<std::recursive_mutex> lock(state_mutex);
on_ssdp_msg_fn = fn;
}
return BAMBU_NETWORK_SUCCESS;
}
int MoonrakerPrinterAgent::set_on_printer_connected_fn(OnPrinterConnectedFn fn)
{
std::lock_guard<std::recursive_mutex> lock(state_mutex);
on_printer_connected_fn = fn;
return BAMBU_NETWORK_SUCCESS;
}
int MoonrakerPrinterAgent::set_on_subscribe_failure_fn(GetSubscribeFailureFn fn)
{
std::lock_guard<std::recursive_mutex> lock(state_mutex);
on_subscribe_failure_fn = fn;
return BAMBU_NETWORK_SUCCESS;
}
int MoonrakerPrinterAgent::set_on_message_fn(OnMessageFn fn)
{
std::lock_guard<std::recursive_mutex> lock(state_mutex);
on_message_fn = fn;
return BAMBU_NETWORK_SUCCESS;
}
int MoonrakerPrinterAgent::set_on_user_message_fn(OnMessageFn fn)
{
std::lock_guard<std::recursive_mutex> lock(state_mutex);
on_user_message_fn = fn;
return BAMBU_NETWORK_SUCCESS;
}
int MoonrakerPrinterAgent::set_on_local_connect_fn(OnLocalConnectedFn fn)
{
std::lock_guard<std::recursive_mutex> lock(state_mutex);
on_local_connect_fn = fn;
return BAMBU_NETWORK_SUCCESS;
}
int MoonrakerPrinterAgent::set_on_local_message_fn(OnMessageFn fn)
{
std::lock_guard<std::recursive_mutex> lock(state_mutex);
on_local_message_fn = fn;
return BAMBU_NETWORK_SUCCESS;
}
int MoonrakerPrinterAgent::set_queue_on_main_fn(QueueOnMainFn fn)
{
std::lock_guard<std::recursive_mutex> lock(state_mutex);
queue_on_main_fn = fn;
return BAMBU_NETWORK_SUCCESS;
}
void MoonrakerPrinterAgent::build_ams_payload(int ams_count, int max_lane_index, const std::vector<AmsTrayData>& trays)
{
// Look up MachineObject via DeviceManager
auto* dev_manager = GUI::wxGetApp().getDeviceManager();
if (!dev_manager) {
return;
}
MachineObject* obj = dev_manager->get_my_machine(device_info.dev_id);
if (!obj) {
return;
}
// Build BBL-format JSON for DevFilaSystemParser::ParseV1_0
nlohmann::json ams_json = nlohmann::json::object();
nlohmann::json ams_array = nlohmann::json::array();
// Calculate ams_exist_bits and tray_exist_bits
unsigned long ams_exist_bits = 0;
unsigned long tray_exist_bits = 0;
for (int ams_id = 0; ams_id < ams_count; ++ams_id) {
ams_exist_bits |= (1 << ams_id);
nlohmann::json ams_unit = nlohmann::json::object();
ams_unit["id"] = std::to_string(ams_id);
ams_unit["info"] = "0002"; // treat as AMS_LITE
nlohmann::json tray_array = nlohmann::json::array();
int max_slot_in_this_ams = std::min(3, max_lane_index - ams_id * 4);
for (int slot_id = 0; slot_id <= max_slot_in_this_ams; ++slot_id) {
int slot_index = ams_id * 4 + slot_id;
// Find tray with matching slot_index
const AmsTrayData* tray = nullptr;
for (const auto& t : trays) {
if (t.slot_index == slot_index) {
tray = &t;
break;
}
}
nlohmann::json tray_json = nlohmann::json::object();
tray_json["id"] = std::to_string(slot_id);
tray_json["tag_uid"] = "0000000000000000";
if (tray && tray->has_filament) {
tray_exist_bits |= (1 << slot_index);
tray_json["tray_info_idx"] = tray->tray_info_idx;
tray_json["tray_type"] = tray->tray_type;
tray_json["tray_color"] = normalize_color_value(tray->tray_color);
// Add temperature data if provided
if (tray->bed_temp > 0) {
tray_json["bed_temp"] = std::to_string(tray->bed_temp);
}
if (tray->nozzle_temp > 0) {
tray_json["nozzle_temp_max"] = std::to_string(tray->nozzle_temp);
}
} else {
tray_json["tray_info_idx"] = "";
tray_json["tray_type"] = "";
tray_json["tray_color"] = "00000000";
tray_json["tray_slot_placeholder"] = "1";
}
tray_array.push_back(tray_json);
}
ams_unit["tray"] = tray_array;
ams_array.push_back(ams_unit);
}
// Format as hex strings (matching BBL protocol)
std::ostringstream ams_exist_ss;
ams_exist_ss << std::hex << std::uppercase << ams_exist_bits;
std::ostringstream tray_exist_ss;
tray_exist_ss << std::hex << std::uppercase << tray_exist_bits;
ams_json["ams"] = ams_array;
ams_json["ams_exist_bits"] = ams_exist_ss.str();
ams_json["tray_exist_bits"] = tray_exist_ss.str();
// Wrap in the expected structure for ParseV1_0
nlohmann::json print_json = nlohmann::json::object();
print_json["ams"] = ams_json;
// Call the parser to populate DevFilaSystem
DevFilaSystemParser::ParseV1_0(print_json, obj, obj->GetFilaSystem(), false);
BOOST_LOG_TRIVIAL(info) << "MoonrakerPrinterAgent::build_ams_payload: Parsed " << trays.size() << " trays";
// Set printer_type so update_sync_status() can match it against the preset's printer type.
// Without this, the comparison fails and all sync badges are cleared.
obj->printer_type = device_info.model_id;
// Set push counters so is_info_ready() returns true for pull-mode agents.
if (obj->m_push_count == 0) {
obj->m_push_count = 1;
}
if (obj->m_full_msg_count == 0) {
obj->m_full_msg_count = 1;
}
obj->last_push_time = std::chrono::system_clock::now();
// Set storage state - Moonraker printers use virtual_sdcard, storage is always available.
// This is required for SelectMachineDialog to allow printing (otherwise it blocks with "No SD card").
obj->GetStorage()->set_sdcard_state(DevStorage::HAS_SDCARD_NORMAL);
// Populate module_vers so is_info_ready() passes the version check.
// Moonraker printers don't have BBL-style version info, but we need a non-empty map.
if (obj->module_vers.empty()) {
DevFirmwareVersionInfo ota_info;
ota_info.name = "ota";
ota_info.sw_ver = "1.0.0"; // Placeholder version for Moonraker printers
obj->module_vers.emplace("ota", ota_info);
}
}
bool MoonrakerPrinterAgent::fetch_filament_info(std::string dev_id)
{
std::vector<AmsTrayData> trays;
int max_lane_index = 0;
// Try Happy Hare first (more widely adopted, supports more filament changers)
if (fetch_hh_filament_info(trays, max_lane_index)) {
BOOST_LOG_TRIVIAL(info) << "MoonrakerPrinterAgent::fetch_filament_info: Detected Happy Hare MMU with "
<< (max_lane_index + 1) << " gates";
int ams_count = (max_lane_index + 4) / 4;
build_ams_payload(ams_count, max_lane_index, trays);
return true;
}
// Fallback to AFC
if (fetch_afc_filament_info(trays, max_lane_index)) {
BOOST_LOG_TRIVIAL(info) << "MoonrakerPrinterAgent::fetch_filament_info: Detected AFC with "
<< (max_lane_index + 1) << " lanes";
int ams_count = (max_lane_index + 4) / 4;
build_ams_payload(ams_count, max_lane_index, trays);
return true;
}
// No MMU detected - this is normal for printers without MMU, not an error
BOOST_LOG_TRIVIAL(info) << "MoonrakerPrinterAgent::fetch_filament_info: No MMU system detected (neither HH nor AFC)";
return false;
}
std::string MoonrakerPrinterAgent::trim_and_upper(const std::string& input)
{
std::string result = input;
boost::trim(result);
std::transform(result.begin(), result.end(), result.begin(),
[](unsigned char c) { return static_cast<char>(std::toupper(c)); });
return result;
}
std::string MoonrakerPrinterAgent::map_filament_type_to_generic_id(const std::string& filament_type)
{
const std::string upper = trim_and_upper(filament_type);
// Map to OrcaFilamentLibrary preset IDs (compatible with all printers)
// Source: resources/profiles/OrcaFilamentLibrary/filament/
// PLA variants
if (upper == "PLA") return "OGFL99";
if (upper == "PLA-CF") return "OGFL98";
if (upper == "PLA SILK" || upper == "PLA-SILK") return "OGFL96";
if (upper == "PLA HIGH SPEED" || upper == "PLA-HS" || upper == "PLA HS") return "OGFL95";
// ABS/ASA variants
if (upper == "ABS") return "OGFB99";
if (upper == "ASA") return "OGFB98";
// PETG/PET variants
if (upper == "PETG" || upper == "PET") return "OGFG99";
if (upper == "PCTG") return "OGFG97";
// PA/Nylon variants
if (upper == "PA" || upper == "NYLON") return "OGFN99";
if (upper == "PA-CF") return "OGFN98";
if (upper == "PPA" || upper == "PPA-CF") return "OGFN97";
if (upper == "PPA-GF") return "OGFN96";
// PC variants
if (upper == "PC") return "OGFC99";
// PP/PE variants
if (upper == "PE") return "OGFP99";
if (upper == "PP") return "OGFP97";
// Support materials
if (upper == "PVA") return "OGFS99";
if (upper == "HIPS") return "OGFS98";
if (upper == "BVOH") return "OGFS97";
// TPU variants
if (upper == "TPU") return "OGFU99";
// Other materials
if (upper == "EVA") return "OGFR99";
if (upper == "PHA") return "OGFR98";
if (upper == "COPE") return "OGFLC99";
if (upper == "SBS") return "OFLSBS99";
// Unknown material
return UNKNOWN_FILAMENT_ID;
}
// JSON helper methods - null-safe accessors
std::string MoonrakerPrinterAgent::safe_json_string(const nlohmann::json& obj, const char* key)
{
auto it = obj.find(key);
if (it != obj.end() && it->is_string())
return it->get<std::string>();
return "";
}
int MoonrakerPrinterAgent::safe_json_int(const nlohmann::json& obj, const char* key)
{
auto it = obj.find(key);
if (it != obj.end() && it->is_number())
return it->get<int>();
return 0;
}
std::string MoonrakerPrinterAgent::safe_array_string(const nlohmann::json& arr, int idx)
{
if (arr.is_array() && idx >= 0 && idx < static_cast<int>(arr.size()) && arr[idx].is_string())
return arr[idx].get<std::string>();
return "";
}
int MoonrakerPrinterAgent::safe_array_int(const nlohmann::json& arr, int idx)
{
if (arr.is_array() && idx >= 0 && idx < static_cast<int>(arr.size()) && arr[idx].is_number())
return arr[idx].get<int>();
return 0;
}
std::string MoonrakerPrinterAgent::normalize_color_value(const std::string& color)
{
std::string value = color;
boost::trim(value);
// Remove 0x or 0X prefix if present
if (value.size() >= 2 && (value.rfind("0x", 0) == 0 || value.rfind("0X", 0) == 0)) {
value = value.substr(2);
}
// Remove # prefix if present
if (!value.empty() && value[0] == '#') {
value = value.substr(1);
}
// Extract only hex digits
std::string normalized;
for (char c : value) {
if (std::isxdigit(static_cast<unsigned char>(c))) {
normalized.push_back(static_cast<char>(std::toupper(static_cast<unsigned char>(c))));
}
}
// If 6 hex digits, add FF alpha
if (normalized.size() == 6) {
normalized += "FF";
}
// Validate length - return default if invalid
if (normalized.size() != 8) {
return "00000000";
}
return normalized;
}
// Fetch filament info from Armored Turtle AFC
bool MoonrakerPrinterAgent::fetch_afc_filament_info(std::vector<AmsTrayData>& trays, int& max_lane_index)
{
// Fetch AFC lane data from Moonraker database
std::string url = join_url(device_info.base_url, "/server/database/item?namespace=lane_data");
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) << "MoonrakerPrinterAgent::fetch_afc_filament_info: Failed to fetch lane data: " << http_error;
return false;
}
auto json = nlohmann::json::parse(response_body, nullptr, false, true);
if (json.is_discarded()) {
BOOST_LOG_TRIVIAL(warning) << "MoonrakerPrinterAgent::fetch_afc_filament_info: Invalid JSON response";
return false;
}
// Expected structure: { "result": { "namespace": "lane_data", "value": { "lane1": {...}, ... } } }
if (!json.contains("result") || !json["result"].contains("value") || !json["result"]["value"].is_object()) {
BOOST_LOG_TRIVIAL(warning) << "MoonrakerPrinterAgent::fetch_afc_filament_info: Unexpected JSON structure or no lane_data found";
return false;
}
// Parse response into AmsTrayData
const auto& value = json["result"]["value"];
trays.clear();
max_lane_index = 0;
for (const auto& [lane_key, lane_obj] : value.items()) {
if (!lane_obj.is_object()) {
continue;
}
// Extract lane index from the "lane" field (tool number, 0-based)
std::string lane_str = safe_json_string(lane_obj, "lane");
int lane_index = -1;
if (!lane_str.empty()) {
try {
lane_index = std::stoi(lane_str);
} catch (...) {
lane_index = -1;
}
}
if (lane_index < 0) {
continue;
}
AmsTrayData tray;
tray.slot_index = lane_index;
tray.tray_color = safe_json_string(lane_obj, "color");
tray.tray_type = safe_json_string(lane_obj, "material");
tray.bed_temp = safe_json_int(lane_obj, "bed_temp");
tray.nozzle_temp = safe_json_int(lane_obj, "nozzle_temp");
tray.has_filament = !tray.tray_type.empty();
auto* bundle = GUI::wxGetApp().preset_bundle;
tray.tray_info_idx = bundle
? bundle->filaments.filament_id_by_type(tray.tray_type)
: map_filament_type_to_generic_id(tray.tray_type);
max_lane_index = std::max(max_lane_index, lane_index);
trays.push_back(tray);
}
if (trays.empty()) {
BOOST_LOG_TRIVIAL(info) << "MoonrakerPrinterAgent::fetch_afc_filament_info: No AFC lanes found";
return false;
}
return true;
}
// Fetch filament info from Happy Hare MMU
bool MoonrakerPrinterAgent::fetch_hh_filament_info(std::vector<AmsTrayData>& trays, int& max_lane_index)
{
// Query Happy Hare MMU status
std::string url = join_url(device_info.base_url, "/printer/objects/query?mmu");
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(debug) << "MoonrakerPrinterAgent::fetch_hh_filament_info: Failed to fetch HH data: " << http_error;
return false;
}
auto json = nlohmann::json::parse(response_body, nullptr, false, true);
if (json.is_discarded()) {
BOOST_LOG_TRIVIAL(debug) << "MoonrakerPrinterAgent::fetch_hh_filament_info: Invalid JSON response";
return false;
}
// Expected structure: { "result": { "status": { "mmu": { ... } } } }
if (!json.contains("result") || !json["result"].contains("status") ||
!json["result"]["status"].contains("mmu") || !json["result"]["status"]["mmu"].is_object()) {
BOOST_LOG_TRIVIAL(debug) << "MoonrakerPrinterAgent::fetch_hh_filament_info: No mmu object in response";
return false;
}
const auto& mmu = json["result"]["status"]["mmu"];
// Check if HH is installed (empty mmu object means HH not installed)
if (mmu.empty()) {
BOOST_LOG_TRIVIAL(debug) << "MoonrakerPrinterAgent::fetch_hh_filament_info: Empty mmu object (HH not installed)";
return false;
}
// Get num_gates
if (!mmu.contains("num_gates") || !mmu["num_gates"].is_number()) {
BOOST_LOG_TRIVIAL(debug) << "MoonrakerPrinterAgent::fetch_hh_filament_info: No num_gates field";
return false;
}
int num_gates = mmu["num_gates"].get<int>();
if (num_gates <= 0) {
BOOST_LOG_TRIVIAL(warning) << "MoonrakerPrinterAgent::fetch_hh_filament_info: Invalid num_gates: " << num_gates;
return false;
}
// Get arrays
const auto& gate_status = mmu.contains("gate_status") ? mmu["gate_status"] : nlohmann::json::array();
const auto& gate_material = mmu.contains("gate_material") ? mmu["gate_material"] : nlohmann::json::array();
const auto& gate_color = mmu.contains("gate_color") ? mmu["gate_color"] : nlohmann::json::array();
const auto& gate_temperature = mmu.contains("gate_temperature") ? mmu["gate_temperature"] : nlohmann::json::array();
if (!gate_status.is_array() || !gate_material.is_array() ||
!gate_color.is_array() || !gate_temperature.is_array()) {
BOOST_LOG_TRIVIAL(warning) << "MoonrakerPrinterAgent::fetch_hh_filament_info: HH arrays not found or invalid type";
return false;
}
// Parse gate data
trays.clear();
max_lane_index = 0;
for (int gate_idx = 0; gate_idx < num_gates; ++gate_idx) {
// Check gate_status: -1 = unknown, 0 = empty, 1 or 2 = available
int status = safe_array_int(gate_status, gate_idx);
if (status <= 0) {
continue; // Skip unknown or empty gates
}
// Extract gate data
std::string material = safe_array_string(gate_material, gate_idx);
std::string color = safe_array_string(gate_color, gate_idx);
int nozzle_temp = safe_array_int(gate_temperature, gate_idx);
// Skip if no material type (empty gate)
if (material.empty()) {
continue;
}
AmsTrayData tray;
tray.slot_index = gate_idx;
tray.tray_type = material;
tray.tray_color = color;
tray.nozzle_temp = nozzle_temp;
tray.bed_temp = 0; // HH doesn't provide bed temp in gate arrays
tray.has_filament = true;
auto* bundle = GUI::wxGetApp().preset_bundle;
tray.tray_info_idx = bundle
? bundle->filaments.filament_id_by_type(tray.tray_type)
: map_filament_type_to_generic_id(tray.tray_type);
max_lane_index = std::max(max_lane_index, gate_idx);
trays.push_back(tray);
}
if (trays.empty()) {
BOOST_LOG_TRIVIAL(info) << "MoonrakerPrinterAgent::fetch_hh_filament_info: No valid HH gates found";
return false;
}
return true;
}
int MoonrakerPrinterAgent::handle_request(const std::string& dev_id, const std::string& json_str)
{
auto json = nlohmann::json::parse(json_str, nullptr, false);
if (json.is_discarded()) {
BOOST_LOG_TRIVIAL(error) << "MoonrakerPrinterAgent: Invalid JSON request";
return BAMBU_NETWORK_ERR_INVALID_RESULT;
}
// Handle info commands
if (json.contains("info") && json["info"].contains("command")) {
const auto& command = json["info"]["command"];
if (command.is_string() && command.get<std::string>() == "get_version") {
return send_version_info(dev_id);
}
}
// Handle system commands
if (json.contains("system") && json["system"].contains("command")) {
const auto& command = json["system"]["command"];
if (command.is_string() && command.get<std::string>() == "get_access_code") {
return send_access_code(dev_id);
}
}
// Handle print commands
if (json.contains("print") && json["print"].contains("command")) {
const auto& command = json["print"]["command"];
if (!command.is_string()) {
BOOST_LOG_TRIVIAL(warning) << "MoonrakerPrinterAgent: print command is not a string";
return BAMBU_NETWORK_ERR_INVALID_RESULT;
}
const std::string cmd = command.get<std::string>();
// Handle gcode_line command - this is how G-code commands are sent from OrcaSlicer
if (cmd == "gcode_line") {
if (!json["print"].contains("param") || !json["print"]["param"].is_string()) {
BOOST_LOG_TRIVIAL(error) << "MoonrakerPrinterAgent: gcode_line missing param value, full json: " << json_str;
return BAMBU_NETWORK_ERR_INVALID_RESULT;
}
std::string gcode = json["print"]["param"].get<std::string>();
// Extract sequence_id from request if present
std::string sequence_id;
if (json["print"].contains("sequence_id") && json["print"]["sequence_id"].is_string()) {
sequence_id = json["print"]["sequence_id"].get<std::string>();
}
nlohmann::json response;
response["print"]["command"] = "gcode_line";
if (!sequence_id.empty()) {
response["print"]["sequence_id"] = sequence_id;
}
response["print"]["param"] = gcode;
if (send_gcode(dev_id, gcode)) {
response["print"]["result"] = "success";
dispatch_message(dev_id, response.dump());
return BAMBU_NETWORK_SUCCESS;
}
response["print"]["result"] = "failed";
dispatch_message(dev_id, response.dump());
return BAMBU_NETWORK_ERR_CONNECTION_TO_PRINTER_FAILED;
}
// Print control commands
if (cmd == "pause") {
return pause_print(dev_id);
}
if (cmd == "resume") {
return resume_print(dev_id);
}
if (cmd == "stop") {
return cancel_print(dev_id);
}
// Bed temperature - UI sends "temp" field
if (cmd == "set_bed_temp") {
if (json["print"].contains("temp") && json["print"]["temp"].is_number()) {
int temp = json["print"]["temp"].get<int>();
std::string gcode = "SET_HEATER_TEMPERATURE HEATER=heater_bed TARGET=" + std::to_string(temp);
send_gcode(dev_id, gcode);
return BAMBU_NETWORK_SUCCESS;
}
}
// Nozzle temperature - UI sends "target_temp" and "extruder_index" fields
if (cmd == "set_nozzle_temp") {
if (json["print"].contains("target_temp") && json["print"]["target_temp"].is_number()) {
int temp = json["print"]["target_temp"].get<int>();
int extruder_idx = 0; // Default to main extruder
if (json["print"].contains("extruder_index") && json["print"]["extruder_index"].is_number()) {
extruder_idx = json["print"]["extruder_index"].get<int>();
}
std::string heater = (extruder_idx == 0) ? "extruder" : "extruder" + std::to_string(extruder_idx);
std::string gcode = "SET_HEATER_TEMPERATURE HEATER=" + heater + " TARGET=" + std::to_string(temp);
send_gcode(dev_id, gcode);
return BAMBU_NETWORK_SUCCESS;
}
}
if (cmd == "home") {
return send_gcode(dev_id, "G28") ? BAMBU_NETWORK_SUCCESS : BAMBU_NETWORK_ERR_SEND_MSG_FAILED;
}
}
return BAMBU_NETWORK_SUCCESS;
}
bool MoonrakerPrinterAgent::init_device_info(std::string dev_id, std::string dev_ip, std::string username, std::string password, bool use_ssl)
{
device_info = MoonrakerDeviceInfo{};
auto* preset_bundle = GUI::wxGetApp().preset_bundle;
if (!preset_bundle) {
return false;
}
auto& preset = preset_bundle->printers.get_edited_preset();
const auto& printer_cfg = preset.config;
device_info.dev_ip = dev_ip;
device_info.api_key = password;
device_info.model_name = printer_cfg.opt_string("printer_model");
device_info.model_id = preset.get_printer_type(preset_bundle);
device_info.base_url = use_ssl ? "https://" + dev_ip : "http://" + dev_ip;
device_info.dev_id = dev_id;
device_info.version = "";
device_info.dev_name = device_info.dev_id;
return true;
}
bool MoonrakerPrinterAgent::fetch_device_info(const std::string& base_url,
const std::string& api_key,
MoonrakerDeviceInfo& info,
std::string& error) const
{
auto fetch_json = [&](const std::string& url, nlohmann::json& out) {
std::string response_body;
bool success = false;
std::string http_error;
auto http = Http::get(url);
if (!api_key.empty()) {
http.header("X-Api-Key", 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) {
error = http_error.empty() ? "Connection failed" : http_error;
return false;
}
out = nlohmann::json::parse(response_body, nullptr, false, true);
if (out.is_discarded()) {
error = "Invalid JSON response";
return false;
}
return true;
};
nlohmann::json json;
std::string url = join_url(base_url, "/server/info");
if (!fetch_json(url, json)) {
return false;
}
nlohmann::json result = json.contains("result") ? json["result"] : json;
info.dev_name = result.value("machine_name", result.value("hostname", ""));
info.version = result.value("moonraker_version", "");
info.klippy_state = result.value("klippy_state", "");
return true;
}
bool MoonrakerPrinterAgent::query_printer_status(const std::string& base_url,
const std::string& api_key,
nlohmann::json& status,
std::string& error) const
{
std::string url = join_url(base_url, "/printer/objects/query?print_stats&virtual_sdcard&extruder&heater_bed&fan");
std::string response_body;
bool success = false;
std::string http_error;
auto http = Http::get(url);
if (!api_key.empty()) {
http.header("X-Api-Key", api_key);
}
http.timeout_connect(5)
.timeout_max(10)
.on_complete([&](std::string body, unsigned status_code) {
if (status_code == 200) {
response_body = body;
success = true;
} else {
http_error = "HTTP error: " + std::to_string(status_code);
}
})
.on_error([&](std::string body, std::string err, unsigned status_code) {
http_error = err;
if (status_code > 0) {
http_error += " (HTTP " + std::to_string(status_code) + ")";
}
})
.perform_sync();
if (!success) {
error = http_error.empty() ? "Connection failed" : http_error;
return false;
}
auto json = nlohmann::json::parse(response_body, nullptr, false, true);
if (json.is_discarded()) {
error = "Invalid JSON response";
return false;
}
if (!json.contains("result") || !json["result"].contains("status")) {
error = "Unexpected JSON structure";
return false;
}
status = json["result"]["status"];
return true;
}
bool MoonrakerPrinterAgent::send_gcode(const std::string& dev_id, const std::string& gcode) const
{
nlohmann::json payload;
payload["script"] = gcode;
std::string payload_str = payload.dump();
std::string response_body;
bool success = false;
std::string http_error;
auto http = Http::post(join_url(device_info.base_url, "/printer/gcode/script"));
if (!device_info.api_key.empty()) {
http.header("X-Api-Key", device_info.api_key);
}
http.header("Content-Type", "application/json")
.set_post_body(payload_str)
.timeout_connect(5)
.timeout_max(10)
.on_complete([&](std::string body, unsigned status_code) {
if (status_code == 200) {
response_body = body;
success = true;
} else {
http_error = "HTTP error: " + std::to_string(status_code);
}
})
.on_error([&](std::string body, std::string err, unsigned status_code) {
http_error = err;
if (status_code > 0) {
http_error += " (HTTP " + std::to_string(status_code) + ")";
}
})
.perform_sync();
if (!success) {
BOOST_LOG_TRIVIAL(error) << "MoonrakerPrinterAgent: send_gcode failed: " << http_error;
return false;
}
return true;
}
bool MoonrakerPrinterAgent::fetch_object_list(const std::string& base_url,
const std::string& api_key,
std::set<std::string>& objects,
std::string& error) const
{
std::string response_body;
bool success = false;
std::string http_error;
auto http = Http::get(join_url(base_url, "/printer/objects/list"));
if (!api_key.empty()) {
http.header("X-Api-Key", 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) {
error = http_error.empty() ? "Connection failed" : http_error;
return false;
}
auto json = nlohmann::json::parse(response_body, nullptr, false, true);
if (json.is_discarded()) {
error = "Invalid JSON response";
return false;
}
nlohmann::json result = json.contains("result") ? json["result"] : json;
if (!result.contains("objects") || !result["objects"].is_array()) {
error = "Unexpected JSON structure";
return false;
}
objects.clear();
for (const auto& entry : result["objects"]) {
if (entry.is_string()) {
objects.insert(entry.get<std::string>());
}
}
return !objects.empty();
}
int MoonrakerPrinterAgent::send_version_info(const std::string& dev_id)
{
nlohmann::json payload;
payload["info"]["command"] = "get_version";
payload["info"]["result"] = "success";
payload["info"]["module"] = nlohmann::json::array();
nlohmann::json module;
module["name"] = "ota";
module["sw_ver"] = device_info.version;
module["product_name"] = "Moonraker";
payload["info"]["module"].push_back(module);
dispatch_message(dev_id, payload.dump());
return BAMBU_NETWORK_SUCCESS;
}
int MoonrakerPrinterAgent::send_access_code(const std::string& dev_id)
{
nlohmann::json payload;
payload["system"]["command"] = "get_access_code";
payload["system"]["access_code"] = device_info.api_key;
dispatch_message(dev_id, payload.dump());
return BAMBU_NETWORK_SUCCESS;
}
void MoonrakerPrinterAgent::announce_printhost_device()
{
OnMsgArrivedFn ssdp_fn;
{
std::lock_guard<std::recursive_mutex> lock(state_mutex);
ssdp_fn = on_ssdp_msg_fn;
if (!ssdp_fn) {
return;
}
if (ssdp_announced_host == device_info.base_url && !ssdp_announced_id.empty()) {
return;
}
}
// Try to fetch actual device name from Moonraker
// Priority: 1) Moonraker hostname, 2) Preset model name, 3) Generic fallback
std::string dev_name;
MoonrakerDeviceInfo info;
std::string fetch_error;
if (fetch_device_info(device_info.base_url, device_info.api_key, info, fetch_error) && !info.dev_name.empty()) {
dev_name = info.dev_name;
} else {
dev_name = device_info.model_name.empty() ? "Moonraker Printer" : device_info.model_name;
}
const std::string model_id = device_info.model_id;
if (auto* app_config = GUI::wxGetApp().app_config) {
const std::string access_code = device_info.api_key.empty() ? "88888888" : device_info.api_key;
app_config->set_str("access_code", device_info.dev_id, access_code);
app_config->set_str("user_access_code", device_info.dev_id, access_code);
}
nlohmann::json payload;
payload["dev_name"] = dev_name;
payload["dev_id"] = device_info.dev_id;
payload["dev_ip"] = device_info.dev_ip;
payload["dev_type"] = model_id.empty() ? dev_name : model_id;
payload["dev_signal"] = "0";
payload["connect_type"] = "lan";
payload["bind_state"] = "free";
payload["sec_link"] = "secure";
payload["ssdp_version"] = "v1";
ssdp_fn(payload.dump());
{
std::lock_guard<std::recursive_mutex> lock(state_mutex);
ssdp_announced_host = device_info.base_url;
ssdp_announced_id = device_info.dev_id;
// Set this as the selected machine if nothing is currently selected
if (selected_machine.empty()) {
selected_machine = device_info.dev_id;
}
}
}
void MoonrakerPrinterAgent::dispatch_local_connect(int state, const std::string& dev_id, const std::string& msg)
{
OnLocalConnectedFn local_fn;
QueueOnMainFn queue_fn;
{
std::lock_guard<std::recursive_mutex> lock(state_mutex);
local_fn = on_local_connect_fn;
queue_fn = queue_on_main_fn;
}
if (!local_fn) {
return;
}
auto dispatch = [state, dev_id, msg, local_fn]() { local_fn(state, dev_id, msg); };
if (queue_fn) {
queue_fn(dispatch);
} else {
dispatch();
}
}
void MoonrakerPrinterAgent::dispatch_printer_connected(const std::string& dev_id)
{
OnPrinterConnectedFn connected_fn;
QueueOnMainFn queue_fn;
{
std::lock_guard<std::recursive_mutex> lock(state_mutex);
connected_fn = on_printer_connected_fn;
queue_fn = queue_on_main_fn;
}
if (!connected_fn) {
return;
}
auto dispatch = [dev_id, connected_fn]() { connected_fn(dev_id); };
if (queue_fn) {
queue_fn(dispatch);
} else {
dispatch();
}
}
void MoonrakerPrinterAgent::start_status_stream(const std::string& dev_id, const std::string& base_url, const std::string& api_key)
{
stop_status_stream();
if (base_url.empty()) {
return;
}
ws_stop.store(false);
ws_thread = std::thread([this, dev_id, base_url, api_key]() { run_status_stream(dev_id, base_url, api_key); });
}
void MoonrakerPrinterAgent::stop_status_stream()
{
ws_stop.store(true);
if (ws_thread.joinable()) {
ws_thread.join();
}
}
void MoonrakerPrinterAgent::run_status_stream(std::string dev_id, std::string base_url, std::string api_key)
{
WsEndpoint endpoint;
if (!parse_ws_endpoint(base_url, endpoint)) {
BOOST_LOG_TRIVIAL(warning) << "MoonrakerPrinterAgent: websocket endpoint invalid for base_url=" << base_url;
return;
}
if (endpoint.secure) {
BOOST_LOG_TRIVIAL(warning) << "MoonrakerPrinterAgent: websocket wss not supported for base_url=" << base_url;
return;
}
// Reconnection logic
ws_reconnect_requested.store(false); // Reset reconnect flag
int retry_count = 0;
const int max_retries = 10;
const int base_delay_ms = 1000;
while (!ws_stop.load() && retry_count < max_retries) {
bool connection_lost = false; // Flag to distinguish clean shutdown from unexpected disconnect
try {
net::io_context ioc;
tcp::resolver resolver{ioc};
beast::tcp_stream stream{ioc};
stream.expires_after(std::chrono::seconds(10));
auto const results = resolver.resolve(endpoint.host, endpoint.port);
stream.connect(results);
websocket::stream<beast::tcp_stream> ws{std::move(stream)};
ws.set_option(websocket::stream_base::decorator([&](websocket::request_type& req) {
req.set(http::field::user_agent, "OrcaSlicer");
if (!api_key.empty()) {
req.set("X-Api-Key", api_key);
}
}));
std::string host_header = endpoint.host;
if (!endpoint.port.empty() && endpoint.port != "80") {
host_header += ":" + endpoint.port;
}
ws.handshake(host_header, endpoint.target);
ws.text(true);
// Send client identification
nlohmann::json identify;
identify["jsonrpc"] = "2.0";
identify["method"] = "server.connection.identify";
identify["params"]["client_name"] = "OrcaSlicer";
identify["params"]["version"] = MoonrakerPrinterAgent_VERSION;
identify["params"]["type"] = "agent";
identify["params"]["url"] = "https://github.com/SoftFever/OrcaSlicer";
identify["id"] = 0;
ws.write(net::buffer(identify.dump()));
std::set<std::string> subscribe_objects = {"print_stats", "virtual_sdcard"};
std::set<std::string> available_objects;
std::string list_error;
if (fetch_object_list(base_url, api_key, available_objects, list_error)) {
{
std::lock_guard<std::recursive_mutex> lock(payload_mutex);
this->available_objects = std::move(available_objects);
}
if (this->available_objects.count("heater_bed") != 0) {
subscribe_objects.insert("heater_bed");
}
if (this->available_objects.count("fan") != 0) {
subscribe_objects.insert("fan");
}
// Add toolhead for homing status
if (this->available_objects.count("toolhead") != 0) {
subscribe_objects.insert("toolhead");
}
// Add display_status for layer info (if available)
if (this->available_objects.count("display_status") != 0) {
subscribe_objects.insert("display_status");
}
for (const auto& name : this->available_objects) {
if (name == "extruder" || name.rfind("extruder", 0) == 0) {
subscribe_objects.insert(name);
if (name == "extruder") {
break;
}
}
}
} else {
subscribe_objects.insert("extruder");
subscribe_objects.insert("heater_bed");
subscribe_objects.insert("toolhead"); // Add toolhead as fallback
subscribe_objects.insert("fan"); // Try to subscribe to fan as fallback
}
nlohmann::json subscribe;
subscribe["jsonrpc"] = "2.0";
subscribe["method"] = "printer.objects.subscribe";
nlohmann::json objects = nlohmann::json::object();
for (const auto& name : subscribe_objects) {
objects[name] = nullptr;
}
subscribe["params"]["objects"] = std::move(objects);
subscribe["id"] = 1;
ws.write(net::buffer(subscribe.dump()));
// Read loop
while (!ws_stop.load()) {
ws.next_layer().expires_after(std::chrono::seconds(2));
beast::flat_buffer buffer;
beast::error_code ec;
ws.read(buffer, ec);
if (ec == beast::error::timeout) {
const auto now_ms = static_cast<uint64_t>(
std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::steady_clock::now().time_since_epoch()).count());
const auto last_ms = ws_last_emit_ms.load();
if (last_ms == 0 || now_ms - last_ms >= 10000) {
nlohmann::json message;
{
std::lock_guard<std::recursive_mutex> lock(payload_mutex);
message = build_print_payload_locked();
}
dispatch_message(dev_id, message.dump());
ws_last_emit_ms.store(now_ms);
}
continue;
}
if (ec == websocket::error::closed) {
connection_lost = true;
break;
}
if (ec) {
BOOST_LOG_TRIVIAL(warning) << "MoonrakerPrinterAgent: websocket read error: " << ec.message();
connection_lost = true;
break;
}
handle_ws_message(dev_id, beast::buffers_to_string(buffer.data()));
// Check if handle_ws_message triggered reconnection request
if (ws_reconnect_requested.exchange(false)) {
connection_lost = true;
break;
}
}
beast::error_code ec;
ws.close(websocket::close_code::normal, ec);
// Only reset retry count on clean shutdown (not connection_lost)
if (!connection_lost && !ws_stop.load()) {
retry_count = 0;
}
} catch (const std::exception& e) {
BOOST_LOG_TRIVIAL(warning) << "MoonrakerPrinterAgent: websocket disconnected: " << e.what();
connection_lost = true;
}
// Exit loop on clean shutdown
if (!connection_lost) {
break;
}
// Check if we should stop reconnection attempts
if (ws_stop.load()) {
break;
}
// Exponential backoff before reconnection
int delay_ms = base_delay_ms * (1 << std::min(retry_count, 5));
BOOST_LOG_TRIVIAL(info) << "MoonrakerPrinterAgent: Reconnecting in " << delay_ms << "ms (attempt " << (retry_count + 1) << ")";
std::this_thread::sleep_for(std::chrono::milliseconds(delay_ms));
retry_count++;
}
if (retry_count >= max_retries) {
BOOST_LOG_TRIVIAL(error) << "MoonrakerPrinterAgent: Max reconnection attempts reached";
dispatch_local_connect(ConnectStatusLost, dev_id, "max_retries");
}
}
void MoonrakerPrinterAgent::handle_ws_message(const std::string& dev_id, const std::string& payload)
{
auto json = nlohmann::json::parse(payload, nullptr, false);
if (json.is_discarded()) {
BOOST_LOG_TRIVIAL(warning) << "MoonrakerPrinterAgent: Invalid WebSocket message JSON";
return;
}
bool updated = false;
bool is_critical = false; // Track if this is a critical update that bypasses throttle
// Check for subscription response (has "result.status") - initial subscription is critical
if (json.contains("result") && json["result"].contains("status") && json["result"]["status"].is_object()) {
update_status_cache(json["result"]["status"]);
updated = true;
is_critical = true; // Initial subscription response - dispatch immediately
}
// Check for status update notifications
if (json.contains("method") && json["method"].is_string()) {
const std::string method = json["method"].get<std::string>();
if (method == "notify_status_update" && json.contains("params") && json["params"].is_array() && !json["params"].empty() &&
json["params"][0].is_object()) {
update_status_cache(json["params"][0]);
updated = true;
// Note: is_critical stays false for regular status updates (telemetry)
} else if (method == "notify_klippy_ready") {
nlohmann::json updates;
updates["print_stats"]["state"] = "standby";
update_status_cache(updates);
updated = true;
is_critical = true; // Klippy events are critical
} else if (method == "notify_klippy_shutdown") {
nlohmann::json updates;
updates["print_stats"]["state"] = "error";
update_status_cache(updates);
updated = true;
is_critical = true; // Klippy events are critical
}
// Handle Klippy disconnect - update status and trigger reconnection
else if (method == "notify_klippy_disconnected") {
// Klippy disconnected - update status to reflect disconnect state
nlohmann::json updates;
updates["print_stats"]["state"] = "error";
update_status_cache(updates);
updated = true;
is_critical = true; // Klippy events are critical
// Set flag to trigger reconnection after dispatching the status update
ws_reconnect_requested.store(true);
BOOST_LOG_TRIVIAL(warning) << "MoonrakerPrinterAgent: Klippy disconnected, triggering reconnection";
}
}
// Check for print state changes (critical - always dispatch immediately)
if (updated && !is_critical) {
std::string current_state;
{
std::lock_guard<std::recursive_mutex> lock(payload_mutex);
if (status_cache.contains("print_stats") && status_cache["print_stats"].contains("state") &&
status_cache["print_stats"]["state"].is_string()) {
current_state = status_cache["print_stats"]["state"].get<std::string>();
}
}
if (!current_state.empty() && current_state != last_print_state) {
is_critical = true;
last_print_state = current_state;
}
}
if (updated) {
const auto now_ms = static_cast<uint64_t>(
std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::steady_clock::now().time_since_epoch()).count());
const auto last_dispatch_ms = ws_last_dispatch_ms.load();
// Dispatch if: critical change OR throttle interval elapsed
const bool should_dispatch = is_critical || last_dispatch_ms == 0 || now_ms - last_dispatch_ms >= STATUS_UPDATE_INTERVAL_MS;
if (should_dispatch) {
nlohmann::json message;
{
std::lock_guard<std::recursive_mutex> lock(payload_mutex);
message = build_print_payload_locked();
}
dispatch_message(dev_id, message.dump());
ws_last_dispatch_ms.store(now_ms);
ws_last_emit_ms.store(now_ms); // Also update heartbeat timer
}
// else: skip dispatch, cache is updated for next dispatch cycle
}
}
void MoonrakerPrinterAgent::update_status_cache(const nlohmann::json& updates)
{
if (!updates.is_object()) {
return;
}
std::lock_guard<std::recursive_mutex> lock(payload_mutex);
if (!status_cache.is_object()) {
status_cache = nlohmann::json::object();
}
for (const auto& item : updates.items()) {
if (item.value().is_object()) {
nlohmann::json& target = status_cache[item.key()];
if (!target.is_object()) {
target = nlohmann::json::object();
}
for (const auto& field : item.value().items()) {
target[field.key()] = field.value();
}
} else {
status_cache[item.key()] = item.value();
}
}
}
nlohmann::json MoonrakerPrinterAgent::build_print_payload_locked() const
{
nlohmann::json payload;
payload["print"]["command"] = "push_status";
payload["print"]["msg"] = 0;
payload["print"]["support_mqtt_alive"] = true;
std::string state = "IDLE";
if (status_cache.contains("print_stats") && status_cache["print_stats"].contains("state") &&
status_cache["print_stats"]["state"].is_string()) {
state = map_moonraker_state(status_cache["print_stats"]["state"].get<std::string>());
}
payload["print"]["gcode_state"] = state;
// Map Moonraker state to Bambu stage numbers
int mc_print_stage = 0;
if (status_cache.contains("print_stats") && status_cache["print_stats"].contains("state")) {
std::string mr_state = status_cache["print_stats"]["state"].get<std::string>();
if (mr_state == "printing")
mc_print_stage = 1;
else if (mr_state == "paused")
mc_print_stage = 2;
else if (mr_state == "complete")
mc_print_stage = 3;
else if (mr_state == "error")
mc_print_stage = 4;
}
payload["print"]["mc_print_stage"] = mc_print_stage;
// Leave mc_print_error_code and print_error at 0
// UI expects numeric HMS codes - setting to 1 shows generic error dialog
// Only set if real mapping from Moonraker error strings to HMS codes is defined
payload["print"]["mc_print_error_code"] = 0;
payload["print"]["print_error"] = 0;
// Map homed axes to bit field: X=bit0, Y=bit1, Z=bit2
// WARNING: This only sets bits 0-2, clearing support flags (bit 3+)
// Bit 3 = 220V voltage, bit 4 = auto recovery, etc.
// This is acceptable for Moonraker (no AMS, different feature set)
int home_flag = 0;
if (status_cache.contains("toolhead") && status_cache["toolhead"].contains("homed_axes")) {
std::string homed = status_cache["toolhead"]["homed_axes"].get<std::string>();
if (homed.find('X') != std::string::npos)
home_flag |= 1; // bit 0
if (homed.find('Y') != std::string::npos)
home_flag |= 2; // bit 1
if (homed.find('Z') != std::string::npos)
home_flag |= 4; // bit 2
}
payload["print"]["home_flag"] = home_flag;
// Moonraker doesn't provide temperature ranges via API - use hardcoded defaults
payload["print"]["nozzle_temp_range"] = {100, 370}; // Typical Klipper range
payload["print"]["bed_temp_range"] = {0, 120}; // Typical bed range
payload["print"]["support_send_to_sd"] = true;
// Detect bed_leveling support from available objects (bed_mesh or probe)
// Default to 0 (not supported) if neither object exists
bool has_bed_leveling = (available_objects.count("bed_mesh") != 0 || available_objects.count("probe") != 0);
payload["print"]["support_bed_leveling"] = has_bed_leveling ? 1 : 0;
const nlohmann::json* extruder = nullptr;
if (status_cache.contains("extruder") && status_cache["extruder"].is_object()) {
extruder = &status_cache["extruder"];
} else {
for (const auto& item : status_cache.items()) {
if (item.value().is_object() && item.key().rfind("extruder", 0) == 0) {
extruder = &item.value();
break;
}
}
}
if (extruder) {
if (extruder->contains("temperature") && (*extruder)["temperature"].is_number()) {
payload["print"]["nozzle_temper"] = (*extruder)["temperature"].get<float>();
}
if (extruder->contains("target") && (*extruder)["target"].is_number()) {
payload["print"]["nozzle_target_temper"] = (*extruder)["target"].get<float>();
}
}
if (status_cache.contains("heater_bed") && status_cache["heater_bed"].is_object()) {
const auto& bed = status_cache["heater_bed"];
if (bed.contains("temperature") && bed["temperature"].is_number()) {
payload["print"]["bed_temper"] = bed["temperature"].get<float>();
}
if (bed.contains("target") && bed["target"].is_number()) {
payload["print"]["bed_target_temper"] = bed["target"].get<float>();
}
}
// Handle fan speed - only if Moonraker provides "fan" object (standard API)
if (status_cache.contains("fan") && status_cache["fan"].is_object() && !status_cache["fan"].empty()) {
const auto& fan = status_cache["fan"];
if (fan.contains("speed") && fan["speed"].is_number()) {
double speed = fan["speed"].get<double>();
int pwm = 0;
if (speed <= 1.0) {
pwm = static_cast<int>(speed * 255.0 + 0.5);
} else {
pwm = static_cast<int>(speed + 0.5);
}
pwm = std::clamp(pwm, 0, 255);
payload["print"]["fan_gear"] = pwm;
} else if (fan.contains("power") && fan["power"].is_number()) {
double power = fan["power"].get<double>();
int pwm = static_cast<int>(power * 255.0 + 0.5);
pwm = std::clamp(pwm, 0, 255);
payload["print"]["fan_gear"] = pwm;
}
}
// If "fan" object doesn't exist, don't include fan_gear in payload
if (status_cache.contains("print_stats") && status_cache["print_stats"].contains("filename") &&
status_cache["print_stats"]["filename"].is_string()) {
payload["print"]["subtask_name"] = status_cache["print_stats"]["filename"].get<std::string>();
}
if (status_cache.contains("print_stats") && status_cache["print_stats"].contains("filename")) {
payload["print"]["gcode_file"] = status_cache["print_stats"]["filename"];
}
int mc_percent = -1;
if (status_cache.contains("virtual_sdcard") && status_cache["virtual_sdcard"].contains("progress") &&
status_cache["virtual_sdcard"]["progress"].is_number()) {
const double progress = status_cache["virtual_sdcard"]["progress"].get<double>();
if (progress >= 0.0) {
mc_percent = std::clamp(static_cast<int>(progress * 100.0 + 0.5), 0, 100);
}
}
if (mc_percent >= 0) {
payload["print"]["mc_percent"] = mc_percent;
}
if (status_cache.contains("print_stats") && status_cache["print_stats"].contains("total_duration") &&
status_cache["print_stats"].contains("print_duration") && status_cache["print_stats"]["total_duration"].is_number() &&
status_cache["print_stats"]["print_duration"].is_number()) {
const double total = status_cache["print_stats"]["total_duration"].get<double>();
const double elapsed = status_cache["print_stats"]["print_duration"].get<double>();
if (total > 0.0 && elapsed >= 0.0) {
const auto remaining_minutes = std::max(0, static_cast<int>((total - elapsed) / 60.0));
payload["print"]["mc_remaining_time"] = remaining_minutes;
}
}
const auto now_ms = static_cast<uint64_t>(
std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch()).count());
payload["t_utc"] = now_ms;
return payload;
}
void MoonrakerPrinterAgent::dispatch_message(const std::string& dev_id, const std::string& payload)
{
OnMessageFn local_fn;
OnMessageFn cloud_fn;
QueueOnMainFn queue_fn;
{
std::lock_guard<std::recursive_mutex> lock(state_mutex);
local_fn = on_local_message_fn;
cloud_fn = on_message_fn;
queue_fn = queue_on_main_fn;
}
if (!local_fn && !cloud_fn) {
BOOST_LOG_TRIVIAL(warning) << "MoonrakerPrinterAgent: dispatch_message - no message callback registered!";
return;
}
auto dispatch = [dev_id, payload, local_fn, cloud_fn]() {
if (local_fn) {
local_fn(dev_id, payload);
return;
}
if (cloud_fn) {
cloud_fn(dev_id, payload);
}
};
if (queue_fn) {
queue_fn(dispatch);
} else {
dispatch();
}
}
bool MoonrakerPrinterAgent::upload_gcode(const std::string& local_path,
const std::string& filename,
const std::string& base_url,
const std::string& api_key,
OnUpdateStatusFn update_fn,
WasCancelledFn cancel_fn)
{
namespace fs = boost::filesystem;
// Validate file exists
fs::path source_path(local_path);
if (!fs::exists(source_path)) {
BOOST_LOG_TRIVIAL(error) << "MoonrakerPrinterAgent: File does not exist: " << local_path;
return false;
}
// Check file size
std::uintmax_t file_size = fs::file_size(source_path);
if (file_size > 1024 * 1024 * 1024) { // 1GB limit
BOOST_LOG_TRIVIAL(error) << "MoonrakerPrinterAgent: File too large: " << file_size << " bytes";
return false;
}
// Sanitize filename to prevent path traversal attacks
std::string safe_filename = sanitize_filename(filename);
bool result = true;
std::string http_error;
// Use Http::form_add and Http::form_add_file
auto http = Http::post(join_url(base_url, "/server/files/upload"));
if (!api_key.empty()) {
http.header("X-Api-Key", api_key);
}
http.form_add("root", "gcodes") // Upload to gcodes directory
.form_add("print", "false") // Don't auto-start print
.form_add_file("file", source_path.string(), safe_filename)
.timeout_connect(5)
.timeout_max(300) // 5 minutes for large files
.on_complete([&](std::string body, unsigned status) {
(void) body;
(void) status;
})
.on_error([&](std::string body, std::string err, unsigned status) {
BOOST_LOG_TRIVIAL(error) << "MoonrakerPrinterAgent: Upload error: " << err << " HTTP " << status;
http_error = err;
result = false;
})
.on_progress([&](Http::Progress progress, bool& cancel) {
// Check for cancellation via WasCancelledFn
if (cancel_fn && cancel_fn()) {
cancel = true;
result = false;
return;
}
// Report progress via OnUpdateStatusFn
if (update_fn && progress.ultotal > 0) {
int percent = static_cast<int>((progress.ulnow * 100) / progress.ultotal);
update_fn(PrintingStageUpload, percent, "Uploading...");
}
})
.perform_sync();
if (!result) {
BOOST_LOG_TRIVIAL(error) << "MoonrakerPrinterAgent: Upload failed: " << http_error;
return false;
}
return true;
}
int MoonrakerPrinterAgent::pause_print(const std::string& dev_id)
{
return send_gcode(dev_id, "PAUSE") ? BAMBU_NETWORK_SUCCESS : BAMBU_NETWORK_ERR_SEND_MSG_FAILED;
}
int MoonrakerPrinterAgent::resume_print(const std::string& dev_id)
{
return send_gcode(dev_id, "RESUME") ? BAMBU_NETWORK_SUCCESS : BAMBU_NETWORK_ERR_SEND_MSG_FAILED;
}
int MoonrakerPrinterAgent::cancel_print(const std::string& dev_id)
{
return send_gcode(dev_id, "CANCEL_PRINT") ? BAMBU_NETWORK_SUCCESS : BAMBU_NETWORK_ERR_SEND_MSG_FAILED;
}
bool MoonrakerPrinterAgent::send_jsonrpc_command(const std::string& base_url,
const std::string& api_key,
const nlohmann::json& request,
std::string& response) const
{
std::string request_str = request.dump();
std::string url = join_url(base_url, "/printer/print/start");
bool success = false;
std::string http_error;
auto http = Http::post(url);
if (!api_key.empty()) {
http.header("X-Api-Key", api_key);
}
http.header("Content-Type", "application/json")
.set_post_body(request_str)
.timeout_connect(5)
.timeout_max(10)
.on_complete([&](std::string body, unsigned status) {
if (status == 200) {
response = body;
success = true;
} else {
http_error = "HTTP " + std::to_string(status);
}
})
.on_error([&](std::string body, std::string err, unsigned status) { http_error = err; })
.perform_sync();
if (!success) {
BOOST_LOG_TRIVIAL(error) << "MoonrakerPrinterAgent: JSON-RPC command failed: " << http_error;
}
return success;
}
void MoonrakerPrinterAgent::perform_connection_async(const std::string& dev_id, const std::string& base_url, const std::string& api_key, uint64_t generation)
{
auto is_stale = [&]() { return generation != connect_generation.load(); };
int result = BAMBU_NETWORK_ERR_CONNECTION_TO_PRINTER_FAILED;
std::string error_msg;
// Early exit if a newer connection was started before we begin
if (is_stale()) {
return;
}
try {
MoonrakerDeviceInfo fetched_info;
if (!fetch_device_info(base_url, api_key, fetched_info, error_msg)) {
BOOST_LOG_TRIVIAL(error) << "MoonrakerPrinterAgent: Failed to fetch server info: " << error_msg;
// Orca todo: revist here, for now don't send error, this is set current MachineObject to null
// dispatch_local_connect(ConnectStatusFailed, dev_id, "server_info_failed");
return;
}
// Commit fetched info back to device_info under lock, only if still current
{
std::lock_guard<std::recursive_mutex> lock(connect_mutex);
if (is_stale()) {
return;
}
device_info.dev_name = fetched_info.dev_name;
device_info.version = fetched_info.version;
device_info.klippy_state = fetched_info.klippy_state;
}
// Orca todo: disable websocket for now, as we don't use MonitorPanel for Moonraker printers yet
#if 0
// Query initial status
nlohmann::json initial_status;
if (query_printer_status(base_url, api_key, initial_status, error_msg)) {
{
update_status_cache(initial_status);
}
BOOST_LOG_TRIVIAL(info) << "MoonrakerPrinterAgent: Initial status queried successfully";
} else {
BOOST_LOG_TRIVIAL(warning) << "MoonrakerPrinterAgent: Initial status query failed: " << error_msg;
}
// Start WebSocket status stream
start_status_stream(dev_id, base_url, api_key);
#endif
// Success!
result = BAMBU_NETWORK_SUCCESS;
} catch (const std::exception& e) {
BOOST_LOG_TRIVIAL(error) << "MoonrakerPrinterAgent: Connection exception: " << e.what();
error_msg = std::string("exception: ") + e.what();
result = BAMBU_NETWORK_ERR_CONNECTION_TO_PRINTER_FAILED;
}
// Only dispatch if this connection is still the current one
if (result == BAMBU_NETWORK_SUCCESS && !is_stale()) {
dispatch_local_connect(ConnectStatusOk, dev_id, "0");
dispatch_printer_connected(dev_id);
BOOST_LOG_TRIVIAL(info) << "MoonrakerPrinterAgent: connect_printer completed - dev_id=" << dev_id;
} else if (result != BAMBU_NETWORK_SUCCESS && result != BAMBU_NETWORK_ERR_CANCELED) {
// Orca todo: revist here, for now don't send error, this is set current MachineObject to null
// dispatch_local_connect(ConnectStatusFailed, dev_id, error_msg);
}
}
bool MoonrakerPrinterAgent::is_numeric(const std::string& value)
{
return !value.empty() && std::all_of(value.begin(), value.end(), [](unsigned char c) { return std::isdigit(c) != 0; });
}
std::string MoonrakerPrinterAgent::normalize_base_url(std::string host, const std::string& port)
{
boost::trim(host);
if (host.empty()) {
return "";
}
std::string value = host;
if (is_numeric(port) && value.find("://") == std::string::npos && value.find(':') == std::string::npos) {
value += ":" + port;
}
if (!boost::istarts_with(value, "http://") && !boost::istarts_with(value, "https://")) {
value = "http://" + value;
}
if (value.size() > 1 && value.back() == '/') {
value.pop_back();
}
return value;
}
std::string MoonrakerPrinterAgent::join_url(const std::string& base_url, const std::string& path) const
{
if (base_url.empty()) {
return "";
}
if (path.empty()) {
return base_url;
}
if (base_url.back() == '/' && path.front() == '/') {
return base_url.substr(0, base_url.size() - 1) + path;
}
if (base_url.back() != '/' && path.front() != '/') {
return base_url + "/" + path;
}
return base_url + path;
}
// Sanitize filename to prevent path traversal attacks
// Extracts only the basename, removing any path components
std::string MoonrakerPrinterAgent::sanitize_filename(const std::string& filename)
{
if (filename.empty()) {
return "print.gcode";
}
namespace fs = boost::filesystem;
fs::path p(filename);
std::string basename = p.filename().string();
if (basename.empty() || basename == "." || basename == "..") {
return "print.gcode";
}
return basename;
}
} // namespace Slic3r