andry/EMS-ESP32
1
0
Fork 0
mirror of https://github.com/emsesp/EMS-ESP32.git synced 2025-12-09 01:09:51 +03:00
Code Issues Packages Projects Releases Wiki Activity

add option for MQTT retain flag - #507

Browse Source
This commit is contained in:
proddy
2020-09-17 21:12:30 +02:00
parent 7ed41147d3
commit 0d66d97fd2
11 changed files with 71 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/devices/thermostat.cpp
View File

@@ -600,7 +600,7 @@ void Thermostat::register_mqtt_ha_config(uint8_t hc_num) {
std::string topic(100, '\0'); // e.g homeassistant/climate/hc1/thermostat/config
snprintf_P(&topic[0], topic.capacity() + 1, PSTR("homeassistant/climate/ems-esp/hc%d/config"), hc_num);
// Mqtt::publish(topic); // empty payload, this remove any previous config sent to HA
Mqtt::publish(topic, doc, true); // publish the config payload with retain flag
Mqtt::publish_retain(topic, doc, true); // publish the config payload with retain flag
// subscribe to the temp and mode commands
snprintf_P(&topic[0], topic.capacity() + 1, PSTR("homeassistant/climate/ems-esp/hc%d/cmd_temp"), hc_num);

44
src/mqtt.cpp
View File

@@ -27,6 +27,7 @@ AsyncMqttClient * Mqtt::mqttClient_;
// static parameters we make global
std::string Mqtt::hostname_;
uint8_t Mqtt::mqtt_qos_;
bool Mqtt::mqtt_retain_;
uint8_t Mqtt::bus_id_;
uint32_t Mqtt::publish_time_boiler_;
uint32_t Mqtt::publish_time_thermostat_;
@@ -373,6 +374,7 @@ void Mqtt::start() {
publish_time_other_ = mqttSettings.publish_time_other * 1000;
publish_time_sensor_ = mqttSettings.publish_time_sensor * 1000;
mqtt_qos_ = mqttSettings.mqtt_qos;
mqtt_retain_ = mqttSettings.mqtt_retain;
});
EMSESP::emsespSettingsService.read([&](EMSESPSettings & settings) { bus_id_ = settings.ems_bus_id; });
@@ -470,6 +472,10 @@ void Mqtt::set_qos(uint8_t mqtt_qos) {
mqtt_qos_ = mqtt_qos;
}
void Mqtt::set_retain(bool mqtt_retain) {
mqtt_retain_ = mqtt_retain;
}
// MQTT onConnect - when a connect is established
void Mqtt::on_connect() {
// send info topic appended with the version information as JSON
@@ -479,9 +485,9 @@ void Mqtt::on_connect() {
#ifndef EMSESP_STANDALONE
doc["ip"] = WiFi.localIP().toString();
#endif
publish(F("info"), doc, false); // send with retain off
publish(F("info"), doc);
publish(F("status"), "online", true); // say we're alive to the Last Will topic, with retain on
publish_retain(F("status"), "online", true); // say we're alive to the Last Will topic, with retain on
reset_publish_fails(); // reset fail count to 0
@@ -533,30 +539,46 @@ std::shared_ptr<const MqttMessage> Mqtt::queue_subscribe_message(const std::stri
return queue_message(Operation::SUBSCRIBE, topic, "", false); // no payload
}
// MQTT Publish, using a specific retain flag
void Mqtt::publish(const std::string & topic, const std::string & payload, bool retain) {
queue_publish_message(topic, payload, retain);
// MQTT Publish, using a user's retain flag
void Mqtt::publish(const std::string & topic, const std::string & payload) {
queue_publish_message(topic, payload, mqtt_retain_);
}
// MQTT Publish, using a specific retain flag, topic is a flash string
void Mqtt::publish(const __FlashStringHelper * topic, const std::string & payload, bool retain) {
void Mqtt::publish(const __FlashStringHelper * topic, const std::string & payload) {
queue_publish_message(uuid::read_flash_string(topic), payload, mqtt_retain_);
}
void Mqtt::publish(const __FlashStringHelper * topic, const JsonDocument & payload) {
publish(uuid::read_flash_string(topic), payload);
}
// MQTT Publish, using a specific retain flag, topic is a flash string, forcing retain flag
void Mqtt::publish_retain(const __FlashStringHelper * topic, const std::string & payload, bool retain) {
queue_publish_message(uuid::read_flash_string(topic), payload, retain);
}
void Mqtt::publish(const __FlashStringHelper * topic, const JsonDocument & payload, bool retain) {
publish(uuid::read_flash_string(topic), payload, retain);
}
void Mqtt::publish(const std::string & topic, const JsonDocument & payload, bool retain) {
void Mqtt::publish_retain(const std::string & topic, const JsonDocument & payload, bool retain) {
std::string payload_text;
serializeJson(payload, payload_text); // convert json to string
queue_publish_message(topic, payload_text, retain);
}
void Mqtt::publish_retain(const __FlashStringHelper * topic, const JsonDocument & payload, bool retain) {
publish_retain(uuid::read_flash_string(topic), payload, retain);
}
void Mqtt::publish(const std::string & topic, const JsonDocument & payload) {
std::string payload_text;
serializeJson(payload, payload_text); // convert json to string
queue_publish_message(topic, payload_text, mqtt_retain_);
}
// for booleans, which get converted to string values 1 and 0
void Mqtt::publish(const std::string & topic, const bool value) {
queue_publish_message(topic, value ? "1" : "0", false);
}
void Mqtt::publish(const __FlashStringHelper * topic, const bool value) {
queue_publish_message(uuid::read_flash_string(topic), value ? "1" : "0", false);
}

15
src/mqtt.h
View File

@@ -74,6 +74,7 @@ class Mqtt {
void set_publish_time_other(uint16_t publish_time);
void set_publish_time_sensor(uint16_t publish_time);
void set_qos(uint8_t mqtt_qos);
void set_retain(bool mqtt_retain);
bool get_publish_onchange(uint8_t device_type);
enum Operation { PUBLISH, SUBSCRIBE };
@@ -86,14 +87,18 @@ class Mqtt {
static void add_command(const uint8_t device_type, const uint8_t device_id, const __FlashStringHelper * cmd, mqtt_cmdfunction_p cb);
static void publish(const std::string & topic, const std::string & payload, bool retain = false);
static void publish(const std::string & topic, const JsonDocument & payload, bool retain = false);
static void publish(const __FlashStringHelper * topic, const JsonDocument & payload, bool retain = false);
static void publish(const __FlashStringHelper * topic, const std::string & payload, bool retain = false);
static void publish(const std::string & topic, const std::string & payload);
static void publish(const std::string & topic, const JsonDocument & payload);
static void publish(const __FlashStringHelper * topic, const JsonDocument & payload);
static void publish(const __FlashStringHelper * topic, const std::string & payload);
static void publish(const std::string & topic, const bool value);
static void publish(const __FlashStringHelper * topi, const bool value);
static void publish(const std::string & topic);
static void publish_retain(const std::string & topic, const JsonDocument & payload, bool retain);
static void publish_retain(const __FlashStringHelper * topic, const std::string & payload, bool retain);
static void publish_retain(const __FlashStringHelper * topic, const JsonDocument & payload, bool retain);
static void show_topic_handlers(uuid::console::Shell & shell, const uint8_t device_type);
static void show_mqtt(uuid::console::Shell & shell);
@@ -163,7 +168,6 @@ class Mqtt {
static size_t maximum_mqtt_messages_;
static uint16_t mqtt_message_id_;
static bool mqtt_retain_;
static constexpr size_t MAX_MQTT_MESSAGES = 20; // size of queue
static constexpr uint32_t MQTT_PUBLISH_WAIT = 200; // delay between sending publishes, to account for large payloads
@@ -208,6 +212,7 @@ class Mqtt {
// settings, copied over
static std::string hostname_;
static uint8_t mqtt_qos_;
static bool mqtt_retain_;
static uint32_t publish_time_;
static uint8_t bus_id_;
static uint32_t publish_time_boiler_;

2
src/sensors.cpp
View File

@@ -342,7 +342,7 @@ void Sensors::publish_values() {
config["uniq_id"] = str;
snprintf_P(&topic[0], 50, PSTR("homeassistant/sensor/ems-esp/sensor%d/config"), i);
Mqtt::publish(topic, config, false); // publish the config payload with no retain flag
Mqtt::publish_retain(topic, config, false); // publish the config payload with no retain flag
registered_ha_[i] = true;
}

3
src/system.cpp
View File

@@ -237,7 +237,7 @@ void System::send_heartbeat() {
doc["rxfails"] = EMSESP::rxservice_.telegram_error_count();
doc["adc"] = analog_; //analogRead(A0);
Mqtt::publish(F("heartbeat"), doc, false); // send to MQTT with retain off. This will add to MQTT queue.
Mqtt::publish_retain(F("heartbeat"), doc, false); // send to MQTT with retain off. This will add to MQTT queue.
}
// measure and moving average adc
@@ -726,6 +726,7 @@ bool System::check_upgrade() {
mqttSettings.host = mqtt["ip"] | FACTORY_MQTT_HOST;
mqttSettings.mqtt_format = (mqtt["nestedjson"] ? MQTT_format::NESTED : MQTT_format::SINGLE);
mqttSettings.mqtt_qos = mqtt["qos"] | 0;
mqttSettings.mqtt_retain = mqtt["retain"];
mqttSettings.username = mqtt["user"] | "";
mqttSettings.password = mqtt["password"] | "";
mqttSettings.port = mqtt["port"] | FACTORY_MQTT_PORT;