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update mqtt root when region is changed via OLED menu handler

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This commit is contained in:
ford-jones
2025-10-01 16:14:21 +13:00
parent e32ce3fafe
commit 34a595b88e
2 changed files with 16 additions and 11 deletions
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12
src/graphics/draw/MenuHandler.cpp
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@@ -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, 3) == 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);
}
};

15
src/modules/AdminModule.cpp
View File

@@ -765,6 +765,7 @@ 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;
@@ -775,16 +776,10 @@ void AdminModule::handleSetConfig(const meshtastic_Config &c)
// Additionally as a side-effect, assume a new value under myRegion
initRegion();
std::string current = moduleConfig.mqtt.root;
size_t location = current.find_first_of('/');
char root[location + 1];
memset(root, 0, location);
memcpy(root, moduleConfig.mqtt.root, location);
root[location] = '\0';
// subscribe to the appropriate MQTT root topic for this region
sprintf(moduleConfig.mqtt.root, "%s/%s", root, myRegion->name);
if (strncmp(moduleConfig.mqtt.root, default_mqtt_root, 3) == 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_CONFIG | SEGMENT_MODULECONFIG;
}