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Merge pull request #8166 from ford-jones/8139-root-topic

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Update MQTT root on lora region change
This commit is contained in:
Ben Meadors 2025-10-03 06:44:43 -05:00 committed by GitHub
commit 047600d088
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2 changed files with 24 additions and 1 deletions
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12
src/graphics/draw/MenuHandler.cpp
View File

@ -116,6 +116,8 @@ void menuHandler::LoraRegionPicker(uint32_t duration)
bannerOptions.bannerCallback = [](int selected) -> void {
if (selected != 0 && config.lora.region != _meshtastic_Config_LoRaConfig_RegionCode(selected)) {
config.lora.region = _meshtastic_Config_LoRaConfig_RegionCode(selected);
auto changes = SEGMENT_CONFIG;
// This is needed as we wait til picking the LoRa region to generate keys for the first time.
if (!owner.is_licensed) {
bool keygenSuccess = false;
@ -124,6 +126,7 @@ void menuHandler::LoraRegionPicker(uint32_t duration)
if (crypto->regeneratePublicKey(config.security.public_key.bytes, config.security.private_key.bytes)) {
keygenSuccess = true;
}
} else {
LOG_INFO("Generate new PKI keys");
crypto->generateKeyPair(config.security.public_key.bytes, config.security.private_key.bytes);
@ -141,7 +144,14 @@ void menuHandler::LoraRegionPicker(uint32_t duration)
if (myRegion->dutyCycle < 100) {
config.lora.ignore_mqtt = true; // Ignore MQTT by default if region has a duty cycle limit
}
service->reloadConfig(SEGMENT_CONFIG);
if (strncmp(moduleConfig.mqtt.root, default_mqtt_root, strlen(default_mqtt_root)) == 0) {
// Default broker is in use, so subscribe to the appropriate MQTT root topic for this region
sprintf(moduleConfig.mqtt.root, "%s/%s", default_mqtt_root, myRegion->name);
changes |= SEGMENT_MODULECONFIG;
}
service->reloadConfig(changes);
rebootAtMsec = (millis() + DEFAULT_REBOOT_SECONDS * 1000);
}
};

13
src/modules/AdminModule.cpp
View File

@ -784,11 +784,24 @@ void AdminModule::handleSetConfig(const meshtastic_Config &c)
if (myRegion->dutyCycle < 100) {
config.lora.ignore_mqtt = true; // Ignore MQTT by default if region has a duty cycle limit
}
// Compare the entire string, we are sure of the length as a topic has never been set
if (strcmp(moduleConfig.mqtt.root, default_mqtt_root) == 0) {
sprintf(moduleConfig.mqtt.root, "%s/%s", default_mqtt_root, myRegion->name);
changes = SEGMENT_CONFIG | SEGMENT_MODULECONFIG;
}
}
if (config.lora.region != myRegion->code) {
// Region has changed so check whether there is a regulatory one we should be using instead.
// Additionally as a side-effect, assume a new value under myRegion
initRegion();
if (strncmp(moduleConfig.mqtt.root, default_mqtt_root, strlen(default_mqtt_root)) == 0) {
// Default root is in use, so subscribe to the appropriate MQTT topic for this region
sprintf(moduleConfig.mqtt.root, "%s/%s", default_mqtt_root, myRegion->name);
}
changes = SEGMENT_CONFIG | SEGMENT_MODULECONFIG;
}
break;
}
case meshtastic_Config_bluetooth_tag: