mirror of
https://github.com/esphome/esphome.git
synced 2024-09-20 17:47:30 +02:00
Re-add CustomMQTTDevice class (#640)
* Re-add CustomMQTTDevice class Fixes https://github.com/esphome/issues/issues/427 * Fix
This commit is contained in:
Otto Winter
parent
10cc0b1d5b
commit
b8aa84002a
2 changed files with 247 additions and 0 deletions
30
esphome/components/mqtt/custom_mqtt_device.cpp
Normal file
30
esphome/components/mqtt/custom_mqtt_device.cpp
Normal file
|
|
@ -0,0 +1,30 @@
|
|||
#include "custom_mqtt_device.h"
|
||||
#include "esphome/core/log.h"
|
||||
|
||||
namespace esphome {
|
||||
namespace mqtt {
|
||||
|
||||
static const char *TAG = "mqtt.custom";
|
||||
|
||||
bool CustomMQTTDevice::publish(const std::string &topic, const std::string &payload, uint8_t qos, bool retain) {
|
||||
return global_mqtt_client->publish(topic, payload, qos, retain);
|
||||
}
|
||||
bool CustomMQTTDevice::publish(const std::string &topic, float value, int8_t number_decimals) {
|
||||
auto str = value_accuracy_to_string(value, number_decimals);
|
||||
return this->publish(topic, str);
|
||||
}
|
||||
bool CustomMQTTDevice::publish(const std::string &topic, int value) {
|
||||
char buffer[24];
|
||||
sprintf(buffer, "%d", value);
|
||||
return this->publish(topic, buffer);
|
||||
}
|
||||
bool CustomMQTTDevice::publish_json(const std::string &topic, const json::json_build_t &f, uint8_t qos, bool retain) {
|
||||
return global_mqtt_client->publish_json(topic, f, qos, retain);
|
||||
}
|
||||
bool CustomMQTTDevice::publish_json(const std::string &topic, const json::json_build_t &f) {
|
||||
return this->publish_json(topic, f, 0, false);
|
||||
}
|
||||
bool CustomMQTTDevice::is_connected() { return global_mqtt_client != nullptr && global_mqtt_client->is_connected(); }
|
||||
|
||||
} // namespace mqtt
|
||||
} // namespace esphome
|
||||
217
esphome/components/mqtt/custom_mqtt_device.h
Normal file
217
esphome/components/mqtt/custom_mqtt_device.h
Normal file
|
|
@ -0,0 +1,217 @@
|
|||
#pragma once
|
||||
|
||||
#include "esphome/core/component.h"
|
||||
#include "mqtt_client.h"
|
||||
|
||||
namespace esphome {
|
||||
namespace mqtt {
|
||||
|
||||
/** This class is a helper class for custom components that communicate using
|
||||
* MQTT. It has 5 helper functions that you can use (square brackets indicate optional):
|
||||
*
|
||||
* - `subscribe(topic, function_pointer, [qos])`
|
||||
* - `subscribe_json(topic, function_pointer, [qos])`
|
||||
* - `publish(topic, payload, [qos], [retain])`
|
||||
* - `publish_json(topic, payload_builder, [qos], [retain])`
|
||||
* - `is_connected()`
|
||||
*/
|
||||
class CustomMQTTDevice {
|
||||
public:
|
||||
/** Subscribe to an MQTT topic with the given Quality of Service.
|
||||
*
|
||||
* Example:
|
||||
*
|
||||
* ```cpp
|
||||
* class MyCustomMQTTDevice : public Component, public mqtt:CustomMQTTDevice {
|
||||
* public:
|
||||
* void setup() override {
|
||||
* subscribe("the/topic", &MyCustomMQTTDevice::on_message);
|
||||
* pinMode(5, OUTPUT);
|
||||
* }
|
||||
*
|
||||
* // topic and payload parameters can be removed if not needed
|
||||
* // e.g: void on_message() {
|
||||
*
|
||||
* void on_message(const std::string &topic, const std::string &payload) {
|
||||
* // do something with topic and payload
|
||||
* if (payload == "ON") {
|
||||
* digitalWrite(5, HIGH);
|
||||
* } else {
|
||||
* digitalWrite(5, LOW);
|
||||
* }
|
||||
* }
|
||||
* };
|
||||
* ```
|
||||
*
|
||||
* @tparam T A C++ template argument for determining the type of the callback.
|
||||
* @param topic The topic to subscribe to. Re-subscription on re-connects is automatically handled.
|
||||
* @param callback The callback (must be a class member) to subscribe with.
|
||||
* @param qos The Quality of Service to subscribe with. Defaults to 0.
|
||||
*/
|
||||
template<typename T>
|
||||
void subscribe(const std::string &topic, void (T::*callback)(const std::string &, const std::string &),
|
||||
uint8_t qos = 0);
|
||||
|
||||
template<typename T>
|
||||
void subscribe(const std::string &topic, void (T::*callback)(const std::string &), uint8_t qos = 0);
|
||||
|
||||
template<typename T> void subscribe(const std::string &topic, void (T::*callback)(), uint8_t qos = 0);
|
||||
|
||||
/** Subscribe to an MQTT topic and call the callback if the payload can be decoded
|
||||
* as JSON with the given Quality of Service.
|
||||
*
|
||||
* Example:
|
||||
*
|
||||
* ```cpp
|
||||
* class MyCustomMQTTDevice : public Component, public mqtt:CustomMQTTDevice {
|
||||
* public:
|
||||
* void setup() override {
|
||||
* subscribe_json("the/topic", &MyCustomMQTTDevice::on_json_message);
|
||||
* pinMode(5, OUTPUT);
|
||||
* }
|
||||
*
|
||||
* // topic parameter can be remove if not needed:
|
||||
* // e.g.: void on_json_message(JsonObject &payload) {
|
||||
*
|
||||
* void on_json_message(const std::string &topic, JsonObject &payload) {
|
||||
* // do something with topic and payload
|
||||
* if (payload["number"] == 1) {
|
||||
* digitalWrite(5, HIGH);
|
||||
* } else {
|
||||
* digitalWrite(5, LOW);
|
||||
* }
|
||||
* }
|
||||
* };
|
||||
* ```
|
||||
*
|
||||
* @tparam T A C++ template argument for determining the type of the callback.
|
||||
* @param topic The topic to subscribe to. Re-subscription on re-connects is automatically handled.
|
||||
* @param callback The callback (must be a class member) to subscribe with.
|
||||
* @param qos The Quality of Service to subscribe with. Defaults to 0.
|
||||
*/
|
||||
template<typename T>
|
||||
void subscribe_json(const std::string &topic, void (T::*callback)(const std::string &, JsonObject &),
|
||||
uint8_t qos = 0);
|
||||
|
||||
template<typename T>
|
||||
void subscribe_json(const std::string &topic, void (T::*callback)(JsonObject &), uint8_t qos = 0);
|
||||
|
||||
/** Publish an MQTT message with the given payload and QoS and retain settings.
|
||||
*
|
||||
* Example:
|
||||
*
|
||||
* ```cpp
|
||||
* void in_some_method() {
|
||||
* publish("the/topic", "The Payload", 0, true);
|
||||
* }
|
||||
* ```
|
||||
*
|
||||
* @param topic The topic to publish to.
|
||||
* @param payload The payload to publish.
|
||||
* @param qos The Quality of Service to publish with. Defaults to 0
|
||||
* @param retain Whether to retain the message. Defaults to false.
|
||||
*/
|
||||
bool publish(const std::string &topic, const std::string &payload, uint8_t qos = 0, bool retain = false);
|
||||
|
||||
/** Publish an MQTT message with the given floating point number and number of decimals.
|
||||
*
|
||||
* Example:
|
||||
*
|
||||
* ```cpp
|
||||
* void in_some_method() {
|
||||
* publish("the/topic", 1.0);
|
||||
* // with two digits after the decimal point
|
||||
* publish("the/topic", 1.0, 2);
|
||||
* }
|
||||
* ```
|
||||
*
|
||||
* @param topic The topic to publish to.
|
||||
* @param payload The payload to publish.
|
||||
* @param number_decimals The number of digits after the decimal point to round to, defaults to 3 digits.
|
||||
*/
|
||||
bool publish(const std::string &topic, float value, int8_t number_decimals = 3);
|
||||
|
||||
/** Publish an MQTT message with the given integer as payload.
|
||||
*
|
||||
* Example:
|
||||
*
|
||||
* ```cpp
|
||||
* void in_some_method() {
|
||||
* publish("the/topic", 42);
|
||||
* }
|
||||
* ```
|
||||
*
|
||||
* @param topic The topic to publish to.
|
||||
* @param payload The payload to publish.
|
||||
*/
|
||||
bool publish(const std::string &topic, int value);
|
||||
|
||||
/** Publish a JSON-encoded MQTT message with the given Quality of Service and retain settings.
|
||||
*
|
||||
* Example:
|
||||
*
|
||||
* ```cpp
|
||||
* void in_some_method() {
|
||||
* publish("the/topic", [=](JsonObject &root) {
|
||||
* root["the_key"] = "Hello World!";
|
||||
* }, 0, false);
|
||||
* }
|
||||
* ```
|
||||
*
|
||||
* @param topic The topic to publish to.
|
||||
* @param payload The payload to publish.
|
||||
* @param qos The Quality of Service to publish with.
|
||||
* @param retain Whether to retain the message.
|
||||
*/
|
||||
bool publish_json(const std::string &topic, const json::json_build_t &f, uint8_t qos, bool retain);
|
||||
|
||||
/** Publish a JSON-encoded MQTT message.
|
||||
*
|
||||
* Example:
|
||||
*
|
||||
* ```cpp
|
||||
* void in_some_method() {
|
||||
* publish("the/topic", [=](JsonObject &root) {
|
||||
* root["the_key"] = "Hello World!";
|
||||
* });
|
||||
* }
|
||||
* ```
|
||||
*
|
||||
* @param topic The topic to publish to.
|
||||
* @param payload The payload to publish.
|
||||
*/
|
||||
bool publish_json(const std::string &topic, const json::json_build_t &f);
|
||||
|
||||
/// Check whether the MQTT client is currently connected and messages can be published.
|
||||
bool is_connected();
|
||||
};
|
||||
|
||||
template<typename T>
|
||||
void CustomMQTTDevice::subscribe(const std::string &topic,
|
||||
void (T::*callback)(const std::string &, const std::string &), uint8_t qos) {
|
||||
auto f = std::bind(callback, (T *) this, std::placeholders::_1, std::placeholders::_2);
|
||||
global_mqtt_client->subscribe(topic, f, qos);
|
||||
}
|
||||
template<typename T>
|
||||
void CustomMQTTDevice::subscribe(const std::string &topic, void (T::*callback)(const std::string &), uint8_t qos) {
|
||||
auto f = std::bind(callback, (T *) this, std::placeholders::_2);
|
||||
global_mqtt_client->subscribe(topic, f, qos);
|
||||
}
|
||||
template<typename T> void CustomMQTTDevice::subscribe(const std::string &topic, void (T::*callback)(), uint8_t qos) {
|
||||
auto f = std::bind(callback, (T *) this);
|
||||
global_mqtt_client->subscribe(topic, f, qos);
|
||||
}
|
||||
template<typename T>
|
||||
void CustomMQTTDevice::subscribe_json(const std::string &topic, void (T::*callback)(const std::string &, JsonObject &),
|
||||
uint8_t qos) {
|
||||
auto f = std::bind(callback, (T *) this, std::placeholders::_1, std::placeholders::_2);
|
||||
global_mqtt_client->subscribe_json(topic, f, qos);
|
||||
}
|
||||
template<typename T>
|
||||
void CustomMQTTDevice::subscribe_json(const std::string &topic, void (T::*callback)(JsonObject &), uint8_t qos) {
|
||||
auto f = std::bind(callback, (T *) this, std::placeholders::_2);
|
||||
global_mqtt_client->subscribe_json(topic, f, qos);
|
||||
}
|
||||
|
||||
} // namespace mqtt
|
||||
} // namespace esphome
|
||||
Loading…
Reference in a new issue