fix: use unique client ID for MQTT connection to avoid conflicts

html/upgrade.html

@@ -129,6 +129,7 @@
                             if (data.status === 'success' || lastReceivedProgress >= 98) {
                                 clearTimeout(wsReconnectTimer);
                                 setTimeout(() => {
+                                    window.location.reload(true);
                                     window.location.href = '/';
                                 }, 30000);
                             }
@@ -164,6 +165,7 @@
                     status.className = 'status success';
                     status.style.display = 'block';
                     setTimeout(() => {
+                        window.location.reload(true);
                         window.location.href = '/';
                     }, 30000);
                 }

src/bambu.cpp

@@ -553,30 +553,34 @@ void reconnect() {
         oledShowTopRow();
 
         // Attempt to connect
-        if (client.connect(bambu_serialnr, bambu_username, bambu_accesscode)) {
-            Serial.println("MQTT re/connected");
+        String clientId = String(bambu_serialnr) + "_" + String(random(0, 100));
+            if (client.connect(clientId.c_str(), bambu_username, bambu_accesscode)){
+                Serial.println("MQTT re/connected");
 
-            client.subscribe(report_topic.c_str());
-            bambu_connected = true;
-            oledShowTopRow();
-        } else {
-            Serial.print("failed, rc=");
-            Serial.print(client.state());
-            Serial.println(" try again in 5 seconds");
-            bambu_connected = false;
-            oledShowTopRow();
-            
-            yield();
-            vTaskDelay(5000 / portTICK_PERIOD_MS);
-            if (retries > 5) {
-                Serial.println("Disable Bambu MQTT Task after 5 retries");
-                //vTaskSuspend(BambuMqttTask);
-                vTaskDelete(BambuMqttTask);
-                break;
+                client.subscribe(report_topic.c_str());
+                bambu_connected = true;
+                oledShowTopRow();
             }
+            else
+            {
+                Serial.print("failed, rc=");
+                Serial.print(client.state());
+                Serial.println(" try again in 5 seconds");
+                bambu_connected = false;
+                oledShowTopRow();
 
-            retries++;
-        }
+                yield();
+                vTaskDelay(5000 / portTICK_PERIOD_MS);
+                if (retries > 5)
+                {
+                    Serial.println("Disable Bambu MQTT Task after 5 retries");
+                    // vTaskSuspend(BambuMqttTask);
+                    vTaskDelete(BambuMqttTask);
+                    break;
+                }
+
+                retries++;
+            }
     }
 }
 
@@ -619,38 +623,40 @@ bool setupMqtt() {
 
         // Verbinden mit dem MQTT-Server
         bool connected = true;
-        if (client.connect(bambu_serialnr, bambu_username, bambu_accesscode)) 
-        {
-            client.setCallback(mqtt_callback);
-            client.setBufferSize(5120);
-            client.subscribe(report_topic.c_str());
-            //client.subscribe(request_topic.c_str());
-            Serial.println("MQTT-Client initialisiert");
+        String clientId = String(bambu_serialnr) + "_" + String(random(0, 100));
+        if (client.connect(clientId.c_str(), bambu_username, bambu_accesscode))
+            {
+                client.setCallback(mqtt_callback);
+                client.setBufferSize(5120);
+                client.subscribe(report_topic.c_str());
+                // client.subscribe(request_topic.c_str());
+                Serial.println("MQTT-Client initialisiert");
 
-            oledShowMessage("Bambu Connected");
-            bambu_connected = true;
-            oledShowTopRow();
+                oledShowMessage("Bambu Connected");
+                bambu_connected = true;
+                oledShowTopRow();
 
-            xTaskCreatePinnedToCore(
-                mqtt_loop, /* Function to implement the task */
-                "BambuMqtt", /* Name of the task */
-                10240,  /* Stack size in words */
-                NULL,  /* Task input parameter */
-                mqttTaskPrio,  /* Priority of the task */
-                &BambuMqttTask,  /* Task handle. */
-                mqttTaskCore); /* Core where the task should run */
-        } 
-        else 
-        {
-            Serial.println("Fehler: Konnte sich nicht beim MQTT-Server anmelden");
-            oledShowMessage("Bambu Connection Failed");
-            vTaskDelay(2000 / portTICK_PERIOD_MS);
-            connected = false;
-            oledShowTopRow();
+                xTaskCreatePinnedToCore(
+                    mqtt_loop,      /* Function to implement the task */
+                    "BambuMqtt",    /* Name of the task */
+                    10240,          /* Stack size in words */
+                    NULL,           /* Task input parameter */
+                    mqttTaskPrio,   /* Priority of the task */
+                    &BambuMqttTask, /* Task handle. */
+                    mqttTaskCore);  /* Core where the task should run */
+            }
+            else
+            {
+                Serial.println("Fehler: Konnte sich nicht beim MQTT-Server anmelden");
+                oledShowMessage("Bambu Connection Failed");
+                vTaskDelay(2000 / portTICK_PERIOD_MS);
+                connected = false;
+                oledShowTopRow();
+            }
+
+            if (!connected)
+                return false;
         }
-
-        if (!connected) return false;
-    } 
     else 
     {
         Serial.println("Fehler: Keine MQTT-Daten vorhanden");

src/main.cpp

@@ -98,6 +98,10 @@ void loop() {
 
   // Wenn Bambu auto set Spool aktiv
   if (autoSendToBambu && autoSetToBambuSpoolId > 0) {
+    if (!bambu_connected)
+    {
+      bambu_restart();
+    }
     if (intervalElapsed(currentMillis, lastAutoSetBambuAmsTime, autoSetBambuAmsInterval)) 
     {
       if (hasReadRfidTag == 0)

src/website.cpp

@@ -286,6 +286,16 @@ void setupWebserver(AsyncWebServer &server) {
         }
 
         String url = request->getParam("url")->value();
+        if (url.indexOf("http://") == -1 && url.indexOf("https://") == -1)
+        {
+            url = "http://" + url;
+        }
+        // Remove trailing slash if exists
+        if (url.length() > 0 && url.charAt(url.length() - 1) == '/')
+        {
+            url = url.substring(0, url.length() - 1);
+        }
+
         bool octoEnabled = (request->getParam("octoEnabled")->value() == "true") ? true : false;
         String octoUrl = request->getParam("octoUrl")->value();
         String octoToken = (request->getParam("octoToken")->value() != "") ? request->getParam("octoToken")->value() : "";
@@ -300,7 +310,7 @@ void setupWebserver(AsyncWebServer &server) {
         request->send(200, "application/json", jsonResponse);
     });
 
-    // Route für das Überprüfen der Spoolman-Instanz
+    // Route für das Überprüfen der Bambu-Instanz
     server.on("/api/bambu", HTTP_GET, [](AsyncWebServerRequest *request){
         if (!request->hasParam("bambu_ip") || !request->hasParam("bambu_serialnr") || !request->hasParam("bambu_accesscode")) {
             request->send(400, "application/json", "{\"success\": false, \"error\": \"Missing parameter\"}");