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fix: add graceful MQTT reconnect backoff during broker outages

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This commit is contained in:
Jared Dohrman
2026-04-12 09:01:25 +10:00
parent 4f4964e454
commit 3bb4f69566
2 changed files with 59 additions and 12 deletions
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src/helpers/mqtt/MQTTUplink.h
+4 -1
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@@ -95,8 +95,11 @@ private:
esp_mqtt_client_handle_t client;
bool connected;
bool connect_announced;
bool reconnect_pending;
unsigned long last_connect_attempt;
unsigned long next_connect_attempt;
time_t token_expires_at;
uint8_t reconnect_failures;
char username[70];
char* token;
char client_id[48];
@@ -142,7 +145,7 @@ private:
void refreshBrokerIdentity(BrokerState& broker);
void refreshBrokerState(BrokerState& broker);
void ensureBroker(BrokerState& broker);
void destroyBroker(BrokerState& broker);
void destroyBroker(BrokerState& broker, bool reset_retry_state = true);
bool refreshToken(BrokerState& broker);
void publishStatus(bool online);
void publishOnlineStatus(BrokerState& broker);