Files
esphome/esphome/components/mqtt/mqtt_update.cpp
J. Nick Koston bf92d94863 [mqtt] Use stack buffers for publish_state() topic building (#13434)
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com>
2026-01-26 17:25:02 -10:00

63 lines
2.2 KiB
C++

#include "mqtt_update.h"
#include "esphome/core/log.h"
#include "mqtt_const.h"
#ifdef USE_MQTT
#ifdef USE_UPDATE
namespace esphome::mqtt {
static const char *const TAG = "mqtt.update";
using namespace esphome::update;
MQTTUpdateComponent::MQTTUpdateComponent(UpdateEntity *update) : update_(update) {}
void MQTTUpdateComponent::setup() {
this->subscribe(this->get_command_topic_(), [this](const std::string &topic, const std::string &payload) {
if (payload == "INSTALL") {
this->update_->perform();
} else {
ESP_LOGW(TAG, "'%s': Received unknown update payload: %s", this->friendly_name_().c_str(), payload.c_str());
this->status_momentary_warning("state", 5000);
}
});
this->update_->add_on_state_callback([this]() { this->defer("send", [this]() { this->publish_state(); }); });
}
bool MQTTUpdateComponent::publish_state() {
char topic_buf[MQTT_DEFAULT_TOPIC_MAX_LEN];
return this->publish_json(this->get_state_topic_to_(topic_buf), [this](JsonObject root) {
root[ESPHOME_F("installed_version")] = this->update_->update_info.current_version;
root[ESPHOME_F("latest_version")] = this->update_->update_info.latest_version;
root[ESPHOME_F("title")] = this->update_->update_info.title;
if (!this->update_->update_info.summary.empty())
root[ESPHOME_F("release_summary")] = this->update_->update_info.summary;
if (!this->update_->update_info.release_url.empty())
root[ESPHOME_F("release_url")] = this->update_->update_info.release_url;
});
}
void MQTTUpdateComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryConfig &config) {
// NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
root[ESPHOME_F("schema")] = ESPHOME_F("json");
root[MQTT_PAYLOAD_INSTALL] = ESPHOME_F("INSTALL");
}
bool MQTTUpdateComponent::send_initial_state() { return this->publish_state(); }
void MQTTUpdateComponent::dump_config() {
ESP_LOGCONFIG(TAG, "MQTT Update '%s': ", this->update_->get_name().c_str());
LOG_MQTT_COMPONENT(true, true);
}
MQTT_COMPONENT_TYPE(MQTTUpdateComponent, "update")
const EntityBase *MQTTUpdateComponent::get_entity() const { return this->update_; }
} // namespace esphome::mqtt
#endif // USE_UPDATE
#endif // USE_MQTT