110 lines
2.7 KiB
C++
110 lines
2.7 KiB
C++
#include "communicator.h"
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Communicator::Communicator(WiFiClient& network, void (*cmd)(char *topic, byte *payload, unsigned int length)) {
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this->_net = network;
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this->mqttCallback = cmd;
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this->_mqtt_client.setBufferSize(1536);
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}
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void Communicator::loop() {
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_mqtt_client.loop();
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}
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bool Communicator::ConnectMQTT(const String &server, const String &name, const String &user, const String &password) {
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_mqtt_client.setClient(_net);
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_mqtt_client.setServer(server.c_str(), 1883);
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_mqtt_client.setCallback(mqttCallback);
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byte i = 0;
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if (_mqtt_client.connected()) return true;
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while (!_mqtt_client.connected() && (i < 3)) {
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Serial.println("Attempt MQTT Connection.");
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boolean ret;
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ret = _mqtt_client.connect(name.c_str(), user.c_str(), password.c_str());
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if (ret) {
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Serial.println("Connected to MQTT");
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return true;
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} else {
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int Status = _mqtt_client.state();
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switch (Status)
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{
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case -4:
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Serial.println(F("Connection timeout"));
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break;
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case -3:
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Serial.println(F("Connection lost"));
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break;
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case -2:
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Serial.println(F("Connect failed"));
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break;
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case -1:
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Serial.println(F("Disconnected"));
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break;
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case 1:
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Serial.println(F("Bad protocol"));
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break;
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case 2:
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Serial.println(F("Bad client ID"));
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break;
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case 3:
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Serial.println(F("Unavailable"));
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break;
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case 4:
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Serial.println(F("Bad credentials"));
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break;
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case 5:
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Serial.println(F("Unauthorized"));
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break;
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}
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}
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Serial.print(".");
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i++;
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delay(5000);
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}
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return false;
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}
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void Communicator::mqtt_discovery(const String topic, StaticJsonDocument<1536> &entity) {
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String payload;
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serializeJson(entity, payload);
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bool response = ConnectMQTT(MQTT_BROKER.toString(), MQTT_NAME, MQTT_USER, MQTT_PASSWORD);
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if (response)
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{
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Serial.print("Sending discovery payload to ");
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Serial.println(topic);
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Serial.println("");
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Serial.println(payload);
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Serial.println("");
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_mqtt_client.publish(topic.c_str(), payload.c_str(), false);
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if (entity.containsKey("mode_cmd_t")) _mqtt_client.subscribe(entity["mode_cmd_t"]);
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if (entity.containsKey("temp_cmd_t")) _mqtt_client.subscribe(entity["temp_cmd_t"]);
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if (entity.containsKey("temp_hi_cmd_t")) _mqtt_client.subscribe(entity["temp_hi_cmd_t"]);
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if (entity.containsKey("temp_lo_cmd_t")) _mqtt_client.subscribe(entity["temp_lo_cmd_t"]);
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_mqtt_client.loop();
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}
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}
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void Communicator::publish_data(String topic, String value) {
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_mqtt_client.publish(topic.c_str(), value.c_str(), false);
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}
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