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do not rebuild all HA configs on a mqtt reconnect, limit by heap

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This commit is contained in:
MichaelDvP
2026-08-17 14:11:42 +02:00
parent d397a14b41
commit c363e0e2c8
7 changed files with 33 additions and 19 deletions
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src/core/mqtt.cpp
+14 -11
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@@ -352,6 +352,7 @@ void Mqtt::reset_mqtt() {
mqttClient_->disconnect(true); // force a disconnect
}
load_settings(); // reload MQTT settings
connectcount_ = 0;
}
// load the settings from service
@@ -512,17 +513,19 @@ void Mqtt::on_connect() {
connecting_ = true;
queuecount_ = mqttClient_->queueSize();
if (ha_enabled_) {
queue_unsubscribe_message(discovery_prefix_ + "/+/" + Mqtt::basename() + "/#");
EMSESP::reset_mqtt_ha(); // re-create all HA devices if there are any
ha_status(); // create the EMS-ESP device in HA, which is MQTT retained
} else {
// with disabled HA we subscribe and the broker sends all stored HA-emsesp-configs.
// Around line 272 they are removed (search for "// remove HA topics if we don't use discover")
// If HA is enabled the subscriptions are removed.
// As described in the doc (https://emsesp.org/Troubleshooting?id=home-assistant):
// disable HA, wait 5 minutes (to allow the broker to send all), than reenable HA again.
queue_subscribe_message(discovery_prefix_ + "/+/" + Mqtt::basename() + "/#");
if (connectcount_ == 0) { // only on first connect and after reconfigure, HA messages are reain
if (ha_enabled_) {
queue_unsubscribe_message(discovery_prefix_ + "/+/" + Mqtt::basename() + "/#");
EMSESP::reset_mqtt_ha(); // re-create all HA devices if there are any
ha_status(); // create the EMS-ESP device in HA, which is MQTT retained
} else {
// with disabled HA we subscribe and the broker sends all stored HA-emsesp-configs.
// Around line 272 they are removed (search for "// remove HA topics if we don't use discover")
// If HA is enabled the subscriptions are removed.
// As described in the doc (https://emsesp.org/Troubleshooting?id=home-assistant):
// disable HA, wait 5 minutes (to allow the broker to send all), than reenable HA again.
queue_subscribe_message(discovery_prefix_ + "/+/" + Mqtt::basename() + "/#");
}
}
// re-subscribe to all custom registered MQTT topics