Add reconnecting on message publish

Should fix some connection issues, as devices will reconnect when publishing heartbeat

Author: ktos

library.properties

@@ -1,5 +1,5 @@
 name=Mokosh
-version=0.4.0
+version=0.4.1
 author=Marcin Badurowicz
 maintainer=Marcin Badurowicz <[email protected]>
 sentence=Framework for IoT Arduino/ESP8266/ESP32 devices

src/Mokosh.cpp

@@ -149,6 +149,9 @@ void Mokosh::disableFS() {
 }
 
 bool Mokosh::reconnect() {
+    if (client->connected())
+        return true;
+
     uint8_t trials = 0;
 
     while (!client->connected()) {
@@ -542,6 +545,10 @@ void Mokosh::publish(const char* subtopic, const char* payload) {
     char topic[60] = {0};
     sprintf(topic, "%s_%s/%s", this->prefix.c_str(), this->hostNameC, subtopic);
 
+    if (!this->client->connected()) {
+        this->reconnect();        
+    }
+
     this->mqtt->publish(topic, payload);
 }