[fix] fix dead lock during connecting

src/gui/panels/remote_peer_panel.cpp

@@ -79,24 +79,38 @@ int Render::RemoteWindow() {
           enter_pressed) {
         connect_button_pressed_ = true;
         bool found = false;
+        std::string target_remote_id;
+        std::string target_password;
+        bool should_connect = false;
+        bool already_connected = false;
+
         for (auto& [id, props] : recent_connections_) {
           if (id.find(remote_id) != std::string::npos) {
             found = true;
+            target_remote_id = props.remote_id;
+            target_password = props.password;
+            {
               std::shared_lock lock(client_properties_mutex_);
               if (client_properties_.find(remote_id) !=
                   client_properties_.end()) {
                 if (!client_properties_[remote_id]->connection_established_) {
-                ConnectTo(props.remote_id, props.password.c_str(), false);
+                  should_connect = true;
                 } else {
-                // todo: show warning message
-                LOG_INFO("Already connected to [{}]", remote_id);
+                  already_connected = true;
                 }
               } else {
-              ConnectTo(props.remote_id, props.password.c_str(), false);
-            }
+                should_connect = true;
               }
             }
 
+            if (should_connect) {
+              ConnectTo(target_remote_id, target_password.c_str(), false);
+            } else if (already_connected) {
+              LOG_INFO("Already connected to [{}]", remote_id);
+            }
+            break;
+          }
+        }
         if (!found) {
           ConnectTo(remote_id, "", false);
         }
@@ -153,6 +167,10 @@ int Render::ConnectTo(const std::string& remote_id, const char* password,
   shared_lock.unlock();
 
   if (!exists) {
+    PeerPtr* peer_to_init = nullptr;
+    std::string local_id;
+
+    {
       std::unique_lock unique_lock(client_properties_mutex_);
       if (client_properties_.find(remote_id) == client_properties_.end()) {
         client_properties_[remote_id] =
@@ -175,17 +193,18 @@ int Render::ConnectTo(const std::string& remote_id, const char* password,
         AddAudioStream(props->peer_, props->audio_label_.c_str());
         AddDataStream(props->peer_, props->data_label_.c_str());
 
-      if (props->peer_) {
-        LOG_INFO("[{}] Create peer instance successful", props->local_id_);
-        Init(props->peer_);
-        LOG_INFO("[{}] Peer init finish", props->local_id_);
-      } else {
-        LOG_INFO("Create peer [{}] instance failed", props->local_id_);
+        props->connection_status_ = ConnectionStatus::Connecting;
+
+        peer_to_init = props->peer_;
+        local_id = props->local_id_;
+      }
     }
 
-      props->connection_status_ = ConnectionStatus::Connecting;
+    if (peer_to_init) {
+      LOG_INFO("[{}] Create peer instance successful", local_id);
+      Init(peer_to_init);
+      LOG_INFO("[{}] Peer init finish", local_id);
     }
-    unique_lock.unlock();
   }
 
   int ret = -1;