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Improved reconnection

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This commit is contained in:
Emanuele Trabattoni
2025-07-22 11:15:36 +02:00
parent 7c776e4787
commit 146a2b558b
2 changed files with 42 additions and 13 deletions
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37
src/mqtt.cpp
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@@ -37,6 +37,7 @@ const bool MQTTwrapper::disconnect()
if (m_loopHandle)
{
vTaskDelete(m_loopHandle); // immediate terminate loop
m_loopHandle = NULL;
}
return true;
}
@@ -75,6 +76,10 @@ const bool MQTTwrapper::unsubscribe(topic_t topic)
return false;
}
const bool MQTTwrapper::connected() {
return m_loopHandle != NULL;
}
const bool MQTTwrapper::publish(topic_t topic, const ArduinoJson::JsonDocument obj)
{
std::string message;
@@ -127,35 +132,43 @@ void MQTTwrapper::onMessage(const std::string topic, const std::string message)
void MQTTwrapper::clientLoop(void *params)
{
auto client = (MQTTwrapper *)(params);
auto loopTime = client->m_config.m_mqttLoopTime;
auto wrapper = (MQTTwrapper *)(params);
auto &client = wrapper->m_client;
auto &config = wrapper->m_config;
auto &stateMap = wrapper->stateMap;
const auto loopTime = config.m_mqttLoopTime;
const auto mqttRetries = config.m_mqttRetries;
const auto clientName = config.m_mqttClientName;
uint8_t connectAttempt(0);
LOG_INFO("MQTT starting client loop");
while (connectAttempt++ < client->m_config.m_mqttRetries)
while (connectAttempt++ < mqttRetries)
{
while (client->m_client.connected())
while (client.connected())
{
client->m_client.loop();
client.loop();
vTaskDelay(pdMS_TO_TICKS(loopTime));
}
if (client->m_client.state() <= MQTT_CONNECTED)
if (client.state() != MQTT_CONNECTED)
{
LOG_ERROR("MQTT disconnect reason ", client->m_client.state());
LOG_ERROR("MQTT disconnect reason ", stateMap.at(client.state()));
vTaskDelay(pdMS_TO_TICKS(loopTime * 50));
const bool ok = client->m_client.connect(client->m_config.m_mqttClientName.c_str());
const bool ok = client.connect(clientName.c_str());
LOG_WARN("MQTT reconnected", ok ? "True" : "False");
if (ok)
{
for (auto v : client->m_actionMap)
for (auto &v : wrapper->m_actionMap)
{
LOG_WARN("MQTT resubscribing to",v.first.c_str());
client->m_client.subscribe(v.first.c_str());
const std::string &topic(v.first);
LOG_WARN("MQTT resubscribing to", topic.c_str());
if(!wrapper->m_client.subscribe(topic.c_str())){
LOG_ERROR("Unable to resubscribe to", topic.c_str());
}
}
connectAttempt = 0;
}
}
}
LOG_ERROR("MQTT client loop terminated, disconnected");
client->m_loopHandle = NULL;
wrapper->m_loopHandle = NULL;
vTaskDelete(NULL); // delete the current task
}