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Code Issues Releases Wiki Activity

allow to use MQTT for discovery of IPs if mDNS is no option (#3887)

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Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
This commit is contained in:
Markus
2023-05-17 06:29:56 +02:00
committed by GitHub
parent 0de47e2a4e
commit c5a45645a6
9 changed files with 353 additions and 21 deletions
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63
esphome/components/mqtt/mqtt_client.cpp
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@@ -7,6 +7,7 @@
#include "esphome/core/application.h"
#include "esphome/core/helpers.h"
#include "esphome/core/log.h"
#include "esphome/core/version.h"
#ifdef USE_LOGGER
#include "esphome/components/logger/logger.h"
#endif
@@ -14,6 +15,13 @@
#include "lwip/err.h"
#include "mqtt_component.h"
#ifdef USE_API
#include "esphome/components/api/api_server.h"
#endif
#ifdef USE_DASHBOARD_IMPORT
#include "esphome/components/dashboard_import/dashboard_import.h"
#endif
namespace esphome {
namespace mqtt {
@@ -58,9 +66,63 @@ void MQTTClientComponent::setup() {
}
#endif
this->subscribe(
"esphome/discover", [this](const std::string &topic, const std::string &payload) { this->send_device_info_(); },
2);
std::string topic = "esphome/ping/";
topic.append(App.get_name());
this->subscribe(
topic, [this](const std::string &topic, const std::string &payload) { this->send_device_info_(); }, 2);
this->last_connected_ = millis();
this->start_dnslookup_();
}
void MQTTClientComponent::send_device_info_() {
if (!this->is_connected()) {
return;
}
std::string topic = "esphome/discover/";
topic.append(App.get_name());
this->publish_json(
topic,
[](JsonObject root) {
auto ip = network::get_ip_address();
root["ip"] = ip.str();
root["name"] = App.get_name();
#ifdef USE_API
root["port"] = api::global_api_server->get_port();
#endif
root["version"] = ESPHOME_VERSION;
root["mac"] = get_mac_address();
#ifdef USE_ESP8266
root["platform"] = "ESP8266";
#endif
#ifdef USE_ESP32
root["platform"] = "ESP32";
#endif
root["board"] = ESPHOME_BOARD;
#if defined(USE_WIFI)
root["network"] = "wifi";
#elif defined(USE_ETHERNET)
root["network"] = "ethernet";
#endif
#ifdef ESPHOME_PROJECT_NAME
root["project_name"] = ESPHOME_PROJECT_NAME;
root["project_version"] = ESPHOME_PROJECT_VERSION;
#endif // ESPHOME_PROJECT_NAME
#ifdef USE_DASHBOARD_IMPORT
root["package_import_url"] = dashboard_import::get_package_import_url();
#endif
},
2, this->discovery_info_.retain);
}
void MQTTClientComponent::dump_config() {
ESP_LOGCONFIG(TAG, "MQTT:");
ESP_LOGCONFIG(TAG, " Server Address: %s:%u (%s)", this->credentials_.address.c_str(), this->credentials_.port,
@@ -226,6 +288,7 @@ void MQTTClientComponent::check_connected() {
delay(100); // NOLINT
this->resubscribe_subscriptions_();
this->send_device_info_();
for (MQTTComponent *component : this->children_)
component->schedule_resend_state();

2
esphome/components/mqtt/mqtt_client.h
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@@ -251,6 +251,8 @@ class MQTTClientComponent : public Component {
void set_on_disconnect(mqtt_on_disconnect_callback_t &&callback);
protected:
void send_device_info_();
/// Reconnect to the MQTT broker if not already connected.
void start_connect_();
void start_dnslookup_();