100 lines
2.2 KiB
C++
100 lines
2.2 KiB
C++
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/*
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* MqttClient.cpp
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*
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* Created on: 08.05.2015
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* Author: wn
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*/
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#include "MqttClient.h"
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#include <PubSubClient.h>
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void callback(char* topic, byte* payload, unsigned int length) {
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// handle message arrived
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}
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MqttClient::MqttClient(RequestSender *meterBusMaster) :
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m_client(255), m_meterBusMaster(meterBusMaster), m_mqttClient(MQTT_BROKER, MQTT_PORT, callback, m_client),
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m_disconnectState(3), m_disconnectTime(millis())
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{
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}
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void MqttClient::sendResponse(uint8_t *responseBuffer, uint16_t responseBufferLength) {
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char strbuf[256];
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memset(strbuf, sizeof(strbuf), 0);
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PString buf = PString(strbuf, sizeof(strbuf));
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buf << "{ \"metadata\": { \"device\": \"MeterbusHub\" }, " <<
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"\"data\": {" <<
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"}" <<
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"}" << endl;
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if (m_disconnectState == 0) {
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m_mqttClient.publish("MeterbusHub.Measurement", strbuf);
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}
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// m_server.write(responseBuffer, responseBufferLength);
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}
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void MqttClient::sendError(uint8_t code) {
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}
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void MqttClient::begin() {
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}
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void MqttClient::exec() {
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if ((m_disconnectState == 0) && (! m_mqttClient.loop())) {
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m_disconnectState = 1;
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}
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switch (m_disconnectState) {
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case 0:
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// Serial.println("discState 0");
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// everything fine
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break;
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case 1:
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Serial.println("discState 1");
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m_mqttClient.disconnect();
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m_disconnectTime = millis();
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m_disconnectState = 2;
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break;
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case 2:
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Serial.println("discState 3");
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if (m_disconnectTime + 2000 < millis()) {
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m_disconnectState = 3;
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}
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break;
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case 3:
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Serial.println("discState 3");
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if (m_mqttClient.connect("MeterbusHub")) {
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m_disconnectTime = millis();
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m_disconnectState = 0;
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} else {
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m_disconnectState = 1;
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}
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break;
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default:
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m_disconnectState = 0;
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break;
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}
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// m_client = m_server.available();
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// if (m_client) {
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// uint16_t sendBufLen = 0;
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// uint8_t *sendBuffer = m_meterBusMaster->getSendBuffer();
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// if (sendBuffer != 0) {
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// int chi;
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// while ((chi = m_client.read()) != -1) {
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// char ch = (char) chi;
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// *(sendBuffer + sendBufLen) = ch;
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// sendBufLen++;
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// }
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// m_meterBusMaster->sendBufferReady(sendBufLen, this);
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// }
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// }
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}
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