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retry publish, count #mqtt fails in system cmd - #264

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This commit is contained in:
Paul
2020-01-12 13:54:01 +01:00
parent 29624280ba
commit e6efa1aebd
2 changed files with 21 additions and 8 deletions
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16
src/MyESP.cpp
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@@ -78,6 +78,7 @@ MyESP::MyESP() {
_mqtt_will_topic = strdup(MQTT_WILL_TOPIC);
_mqtt_will_online_payload = strdup(MQTT_WILL_ONLINE_PAYLOAD);
_mqtt_will_offline_payload = strdup(MQTT_WILL_OFFLINE_PAYLOAD);
_mqtt_publish_fails = 0; // count of number of failed MQTT topic publishes
// network
_network_password = nullptr;
@@ -425,9 +426,19 @@ bool MyESP::mqttPublish(const char * topic, const char * payload, bool retain) {
if (packet_id) {
_addMQTTLog(topic, payload, MYESP_MQTTLOGTYPE_PUBLISH); // add to the log
return true;
} else {
myDebug_P(PSTR("[MQTT] Error publishing to %s with payload %s [error %d]"), _mqttTopic(topic), payload, packet_id);
}
// it failed, try again https://github.com/proddy/EMS-ESP/issues/264
delay(100); // this is blocking and probably not a good idea
packet_id = mqttClient.publish(_mqttTopic(topic), _mqtt_qos, retain, payload);
if (packet_id) {
_addMQTTLog(topic, payload, MYESP_MQTTLOGTYPE_PUBLISH); // add to the log
return true; // ok this time
}
// it didn't work again, will return false
myDebug_P(PSTR("[MQTT] Error publishing to %s with payload %s [error %d]"), _mqttTopic(topic), payload, packet_id);
_mqtt_publish_fails++; // increment failure counter
}
return false; // failed
@@ -1372,6 +1383,7 @@ void MyESP::showSystemStats() {
if (isMQTTConnected()) {
myDebug_P(PSTR(" [MQTT] is connected (heartbeat %s)"), getHeartbeat() ? "enabled" : "disabled");
myDebug_P(PSTR(" [MQTT] # failed topic publishes: %d"), _mqtt_publish_fails);
} else {
myDebug_P(PSTR(" [MQTT] is disconnected"));
}

13
src/MyESP.h
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@@ -335,12 +335,12 @@ class MyESP {
private:
// mqtt
void _mqttOnMessage(char * topic, char * payload, size_t len);
void _mqttConnect();
void _mqtt_setup();
void _mqttOnConnect();
void _sendStart();
char * _mqttTopic(const char * topic);
void _mqttOnMessage(char * topic, char * payload, size_t len);
void _mqttConnect();
void _mqtt_setup();
void _mqttOnConnect();
void _sendStart();
char * _mqttTopic(const char * topic);
// mqtt log
_MQTT_Log_t MQTT_log[MYESP_MQTTLOG_MAX]; // log for publish and subscribe messages
@@ -366,6 +366,7 @@ class MyESP {
uint32_t _mqtt_last_connection;
bool _mqtt_connecting;
bool _mqtt_heartbeat;
uint16_t _mqtt_publish_fails;
// wifi
void _wifiCallback(justwifi_messages_t code, char * parameter);