added check for success of PubSubClient::beginPublish()

lib/HomeAssistantHelper/HomeAssistantHelper.h

@@ -70,7 +70,14 @@ public:
       doc[FPSTR(HA_DEVICE)][FPSTR(HA_CONF_URL)] = deviceConfigUrl;
     }
 
-    client->beginPublish(topic, measureJson(doc), true);
+    if (!client->beginPublish(topic, measureJson(doc), true)) {
+      if (this->yieldCallback != nullptr) {
+        this->yieldCallback(yieldArg);
+      }
+
+      return false;
+    }
+
     if (this->bClient != nullptr) {
       serializeJson(doc, *this->bClient);
       this->bClient->flush();
@@ -78,7 +85,7 @@ public:
     } else {
       serializeJson(doc, *client);
     }
-
+    
     int pubResult = client->endPublish();
     if (this->yieldCallback != nullptr) {
       this->yieldCallback(yieldArg);

platformio.ini

@@ -18,7 +18,7 @@ lib_deps =
 	knolleary/PubSubClient@^2.8
 	bblanchon/StreamUtils@^1.7.3
 	;lennarthennigs/ESP Telnet@^2.1.2
-	https://github.com/Laxilef/ESPTelnet
+	https://github.com/Laxilef/ESPTelnet/archive/refs/heads/master.zip
 	gyverlibs/EEManager@^2.0
 	gyverlibs/GyverPID@^3.3
 	gyverlibs/GyverBlinker@^1.0

src/MqttTask.h

@@ -38,10 +38,11 @@ protected:
   void setup() {
     Log.sinfoln("MQTT", F("Started"));
 
-    this->bClient = new BufferingPrint(client, 32);
+    this->bClient = new BufferingPrint(client, 64);
 
     client.setCallback(std::bind(&MqttTask::__callback, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3));
     client.setBufferSize(1024);
+    client.setSocketTimeout(1);
 
     haHelper.setYieldCallback([](void* self) {
       MqttTask* task = static_cast<MqttTask*>(self);
@@ -618,9 +619,13 @@ protected:
     doc["sensors"]["indoor"]["type"] = settings.sensors.indoor.type;
     doc["sensors"]["indoor"]["offset"] = settings.sensors.indoor.offset;
 
-    client.beginPublish(topic, measureJson(doc), false);
+    if (!client.beginPublish(topic, measureJson(doc), false)) {
+      return false;
+    }
+
     serializeJson(doc, *this->bClient);
     this->bClient->flush();
+
     return client.endPublish();
   }
 
@@ -656,9 +661,13 @@ protected:
     doc["parameters"]["dhwMinTemp"] = vars.parameters.dhwMinTemp;
     doc["parameters"]["dhwMaxTemp"] = vars.parameters.dhwMaxTemp;
 
-    client.beginPublish(topic, measureJson(doc), false);
+    if (!client.beginPublish(topic, measureJson(doc), false)) {
+      return false;
+    }
+
     serializeJson(doc, *this->bClient);
     this->bClient->flush();
+    
     return client.endPublish();
   }