FIX: reset bambu lib after restart network plugin

Change-Id: I4a3a4b7420745835ca3fa00c6edebe9d8d98cbf6
Jira: STUDIO-7571
(cherry picked from commit 28d9c6743fae80bfd40e4ee391e30d62cb16d4ab)

src/slic3r/GUI/GUI_App.cpp

@@ -154,6 +154,11 @@ typedef BOOL (WINAPI *LPFN_ISWOW64PROCESS2)(
 using namespace std::literals;
 namespace pt = boost::property_tree;
 
+struct StaticBambuLib
+{
+    static void reset();
+};
+
 namespace Slic3r {
 namespace GUI {
 
@@ -1512,6 +1517,7 @@ void GUI_App::restart_networking()
 {
     BOOST_LOG_TRIVIAL(info) << __FUNCTION__<< boost::format(" enter, mainframe %1%")%mainframe;
     on_init_network(true);
+    StaticBambuLib::reset();
     if(m_agent) {
         init_networking_callbacks();
         m_agent->set_on_ssdp_msg_fn(

src/slic3r/GUI/Printer/PrinterFileSystem.cpp

@@ -26,9 +26,9 @@
 std::string last_system_error() {
     return Slic3r::decode_path(std::error_code(
 #ifdef _WIN32
-        GetLastError(), 
+        GetLastError(),
 #else
-        errno, 
+        errno,
 #endif
         std::system_category()).message().c_str());
 }
@@ -66,12 +66,15 @@ static std::map<int, std::string> error_messages = {
 };
 
 struct StaticBambuLib : BambuLib {
-    static StaticBambuLib & get();
+    static StaticBambuLib &get(BambuLib * copy = nullptr);
     static int Fake_Bambu_Create(Bambu_Tunnel*, char const*) { return -2; }
+    static void reset();
+private:
+    std::vector<BambuLib *> copies_;
 };
 
 PrinterFileSystem::PrinterFileSystem()
-    : BambuLib(StaticBambuLib::get())
+    : BambuLib(StaticBambuLib::get(this))
 {
     if (!default_thumbnail.IsOk()) {
         default_thumbnail = *Slic3r::GUI::BitmapCache().load_svg("printer_file", 0, 0);
@@ -379,7 +382,7 @@ void PrinterFileSystem::FetchModel(size_t index, std::function<void(int, std::st
             m_task_flags &= ~FF_FETCH_MODEL;
             if (result != 0) {
                 auto iter = error_messages.find(result);
-                if (iter != error_messages.end())     
+                if (iter != error_messages.end())
                     *file_data = _u8L(iter->second.c_str());
                 else
                     file_data->clear();
@@ -783,7 +786,7 @@ void PrinterFileSystem::UpdateFocusThumbnail()
     if (names.empty() && paths.empty())
         return;
     m_task_flags |= FF_THUMNAIL;
-    UpdateFocusThumbnail2(std::make_shared<std::vector<File>>(paths.empty() ? names : paths), 
+    UpdateFocusThumbnail2(std::make_shared<std::vector<File>>(paths.empty() ? names : paths),
         paths.empty() ? OldThumbnail : m_file_type == F_MODEL ? ModelMetadata : VideoThumbnail);
 }
 
@@ -867,7 +870,7 @@ void PrinterFileSystem::UpdateFocusThumbnail2(std::shared_ptr<std::vector<File>>
                     if (!thumbnail.empty()) {
                         arr.push_back(file.path + "#" + thumbnail);
                         file.flags &= ~FF_THUMNAIL;
-                        file.local_path.clear();    
+                        file.local_path.clear();
                     }
                 }
             }
@@ -973,7 +976,7 @@ std::pair<PrinterFileSystem::FileList &, size_t> PrinterFileSystem::FindFile(std
                                m_file_list :
                                m_file_list_cache[type];
     if (index >= file_list.size() || (by_path ? file_list[index].path : file_list[index].name) != name) {
-        auto iter = std::find_if(m_file_list.begin(), file_list.end(), 
+        auto iter = std::find_if(m_file_list.begin(), file_list.end(),
                 [name, by_path](File &f) { return (by_path ? f.path : f.name) == name; });
         if (iter == m_file_list.end()) return {file_list, -1};
         index = std::distance(m_file_list.begin(), iter);
@@ -1042,7 +1045,7 @@ void PrinterFileSystem::SendChangedEvent(wxEventType type, size_t index, std::st
     event.SetInt(index);
     if (!str.empty())
         event.SetString(wxString::FromUTF8(str.c_str()));
-    else if (auto iter = error_messages.find(extra); iter != error_messages.end())     
+    else if (auto iter = error_messages.find(extra); iter != error_messages.end())
         event.SetString(_L(iter->second.c_str()));
     else if (extra > CONTINUE && extra != ERROR_CANCEL)
         event.SetString(wxString::Format(_L("Error code: %d"), int(extra)));
@@ -1539,7 +1542,7 @@ void PrinterFileSystem::Reconnect(boost::unique_lock<boost::mutex> &l, int resul
             }
             if (ret == 0)
                 do {
-                    ret = Bambu_StartStreamEx 
+                    ret = Bambu_StartStreamEx
                         ? Bambu_StartStreamEx(tunnel, CTRL_TYPE)
                         : Bambu_StartStream(tunnel, false);
                 } while (ret == Bambu_would_block);
@@ -1610,12 +1613,12 @@ static void* get_function(const char* name)
 
 #define GET_FUNC(x) lib.x = reinterpret_cast<decltype(lib.x)>(get_function(#x))
 
-StaticBambuLib &StaticBambuLib::get()
+StaticBambuLib &StaticBambuLib::get(BambuLib *copy)
 {
     static StaticBambuLib lib;
     // first load the library
 
-    if (lib.Bambu_Open)
+    if (lib.Bambu_Create)
         return lib;
 
     if (!module) {
@@ -1639,11 +1642,22 @@ StaticBambuLib &StaticBambuLib::get()
     GET_FUNC(Bambu_SetLogger);
     GET_FUNC(Bambu_FreeLogMsg);
 
-    if (!lib.Bambu_Open)
+    if (!lib.Bambu_Create) {
         lib.Bambu_Create = Fake_Bambu_Create;
+        if (copy)
+            lib.copies_.push_back(copy);
+    }
     return lib;
 }
 
+void StaticBambuLib::reset()
+{
+    get().Bambu_Create = nullptr;
+    auto &lib = get();
+    for (auto c : lib.copies_)
+        *c = lib;
+}
+
 extern "C" BambuLib *bambulib_get() {
     return &StaticBambuLib::get();
 }