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https://github.com/IoTManagerProject/IoTManager.git
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This commit is contained in:
Dmitry Borisenko
378
src/MqttClient.cpp
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378
src/MqttClient.cpp
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@@ -0,0 +1,378 @@
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#include "MqttClient.h"
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#include "BufferExecute.h"
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#include "Class/NotAsync.h"
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#include "Global.h"
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#include "Init.h"
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#include "items/vLogging.h"
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enum MqttBroker { MQTT_PRIMARY,
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MQTT_RESERVE };
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MqttBroker activeBroker = MQTT_PRIMARY;
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String mqttPrefix;
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String mqttRootDevice;
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String mqttPass;
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String mqttServer;
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String mqttUser;
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uint16_t mqttPort{0};
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uint16_t reconnectionCounter{0};
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uint16_t fallbackCounter{0};
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const String getParamName(const char* param, MqttBroker broker) {
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return String("mqtt") + param + (broker == MQTT_RESERVE ? "2" : "");
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}
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bool checkBrokerParams(MqttBroker broker) {
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return !jsonReadStr(configSetupJson, getParamName("Server", broker)).isEmpty();
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}
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void mqttInit() {
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myNotAsyncActions->add(
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do_MQTTPARAMSCHANGED, [&](void*) {
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mqttReconnect();
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},
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nullptr);
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mqtt.setCallback(mqttCallback);
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ts.add(
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WIFI_MQTT_CONNECTION_CHECK, MQTT_RECONNECT_INTERVAL,
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[&](void*) {
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if (WiFi.status() == WL_CONNECTED) {
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SerialPrint("I", "WIFI", "OK");
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if (mqtt.connected()) {
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if (activeBroker == MQTT_RESERVE) {
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// при 20 cекундных интервалах проверки, каждые 100 сек
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if (fallbackCounter++ > 5) {
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if (checkBrokerParams(MQTT_PRIMARY)) {
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activeBroker = MQTT_PRIMARY;
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fallbackCounter = 0;
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mqttReconnect();
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}
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}
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} else {
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SerialPrint("I", "MQTT", "OK");
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setLedStatus(LED_OFF);
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}
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} else {
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SerialPrint("E", "MQTT", "lost connection");
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if (reconnectionCounter++ > 5) {
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if (activeBroker == MQTT_PRIMARY) {
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if (checkBrokerParams(MQTT_RESERVE)) {
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activeBroker = MQTT_RESERVE;
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}
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} else {
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activeBroker = MQTT_PRIMARY;
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}
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reconnectionCounter = 0;
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}
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mqttConnect();
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}
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} else {
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SerialPrint("E", "WIFI", "Lost WiFi connection");
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ts.remove(WIFI_MQTT_CONNECTION_CHECK);
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startAPMode();
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}
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},
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nullptr, true);
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myNotAsyncActions->add(
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do_sendScenMQTT, [&](void*) {
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String scen = readFile(String(DEVICE_SCENARIO_FILE), 2048);
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publishInfo("scen", scen);
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},
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nullptr);
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}
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void mqttDisconnect() {
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SerialPrint("I", "MQTT", "disconnect");
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mqtt.disconnect();
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}
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void mqttReconnect() {
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mqttDisconnect();
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mqttConnect();
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}
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void mqttLoop() {
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if (!isNetworkActive() || !mqtt.connected()) {
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return;
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}
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mqtt.loop();
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}
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void mqttSubscribe() {
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SerialPrint("I", "MQTT", "subscribe");
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mqtt.subscribe(mqttPrefix.c_str());
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mqtt.subscribe((mqttRootDevice + "/+/control").c_str());
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mqtt.subscribe((mqttRootDevice + "/update").c_str());
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if (jsonReadBool(configSetupJson, "MqttIn")) {
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mqtt.subscribe((mqttPrefix + "/+/+/event").c_str());
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mqtt.subscribe((mqttPrefix + "/+/+/order").c_str());
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mqtt.subscribe((mqttPrefix + "/+/+/info").c_str());
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}
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}
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bool readBrokerParams(MqttBroker broker) {
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if (!checkBrokerParams(broker)) {
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return false;
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}
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mqttServer = jsonReadStr(configSetupJson, getParamName("Server", broker));
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mqttPort = jsonReadInt(configSetupJson, getParamName("Port", broker));
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mqttUser = jsonReadStr(configSetupJson, getParamName("User", broker));
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mqttPass = jsonReadStr(configSetupJson, getParamName("Pass", broker));
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return true;
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}
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boolean mqttConnect() {
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SerialPrint("I", "MQTT", String("use ") + (activeBroker == MQTT_PRIMARY ? "primary" : "reserve"));
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if (!checkBrokerParams(activeBroker)) {
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SerialPrint("E", "MQTT", "empty broker address");
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return false;
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}
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readBrokerParams(activeBroker);
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SerialPrint("I", "MQTT", "start connection");
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mqttPrefix = jsonReadStr(configSetupJson, "mqttPrefix");
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mqttRootDevice = mqttPrefix + "/" + chipId;
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SerialPrint("I", "MQTT", "broker " + mqttServer + ":" + String(mqttPort, DEC));
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SerialPrint("I", "MQTT", "topic " + mqttRootDevice);
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setLedStatus(LED_FAST);
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mqtt.setServer(mqttServer.c_str(), mqttPort);
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bool res = false;
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if (!mqtt.connected()) {
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if (mqtt.connect(chipId.c_str(), mqttUser.c_str(), mqttPass.c_str())) {
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SerialPrint("I", "MQTT", "connected");
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setLedStatus(LED_OFF);
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mqttSubscribe();
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res = true;
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} else {
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SerialPrint("E", "MQTT", "could't connect, retry in " + String(MQTT_RECONNECT_INTERVAL / 1000) + "s");
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setLedStatus(LED_FAST);
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}
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}
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return res;
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}
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void mqttCallback(char* topic, uint8_t* payload, size_t length) {
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String topicStr = String(topic);
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//SerialPrint("I", "=>MQTT", topicStr);
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String payloadStr;
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payloadStr.reserve(length + 1);
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for (size_t i = 0; i < length; i++) {
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payloadStr += (char)payload[i];
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}
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//SerialPrint("I", "=>MQTT", payloadStr);
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if (payloadStr.startsWith("HELLO")) {
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SerialPrint("I", "MQTT", "Full update");
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publishWidgets();
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publishState();
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choose_log_date_and_send();
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}
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else if (topicStr.indexOf("control") != -1) {
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String key = selectFromMarkerToMarker(topicStr, "/", 3);
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String order;
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order += key;
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order += " ";
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order += payloadStr;
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order += ",";
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loopCmdAdd(order);
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SerialPrint("I", "=>MQTT", "Msg from iotmanager app: " + key + " " + payloadStr);
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}
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else if (topicStr.indexOf("event") != -1) {
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if (!jsonReadBool(configSetupJson, "MqttIn")) {
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return;
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}
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if (topicStr.indexOf(chipId) == -1) {
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String devId = selectFromMarkerToMarker(topicStr, "/", 2);
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String key = selectFromMarkerToMarker(topicStr, "/", 3);
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SerialPrint("I", "=>MQTT", "Received event from other device: '" + devId + "' " + key + " " + payloadStr);
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String event = key + " " + payloadStr + ",";
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eventBuf += event;
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}
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}
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else if (topicStr.indexOf("order") != -1) {
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if (!jsonReadBool(configSetupJson, "MqttIn")) {
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return;
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}
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String devId = selectFromMarkerToMarker(topicStr, "/", 2);
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String key = selectFromMarkerToMarker(topicStr, "/", 3);
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SerialPrint("I", "=>MQTT", "Received direct order " + key + " " + payloadStr);
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String order = key + " " + payloadStr + ",";
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orderBuf += order;
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}
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else if (topicStr.indexOf("info") != -1) {
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if (topicStr.indexOf("scen") != -1) {
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writeFile(String(DEVICE_SCENARIO_FILE), payloadStr);
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loadScenario();
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SerialPrint("I", "=>MQTT", "Scenario received");
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}
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}
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}
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boolean publish(const String& topic, const String& data) {
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if (mqtt.beginPublish(topic.c_str(), data.length(), false)) {
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mqtt.print(data);
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return mqtt.endPublish();
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}
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return false;
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}
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boolean publishData(const String& topic, const String& data) {
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String path = mqttRootDevice + "/" + topic;
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if (!publish(path, data)) {
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SerialPrint("[E]", "MQTT", "on publish data");
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return false;
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}
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return true;
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}
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boolean publishChart(const String& topic, const String& data) {
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String path = mqttRootDevice + "/" + topic + "/status";
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if (!publish(path, data)) {
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SerialPrint("[E]", "MQTT", "on publish chart");
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return false;
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}
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return true;
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}
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boolean publishControl(String id, String topic, String state) {
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String path = mqttPrefix + "/" + id + "/" + topic + "/control";
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return mqtt.publish(path.c_str(), state.c_str(), false);
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}
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boolean publishChart_test(const String& topic, const String& data) {
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String path = mqttRootDevice + "/" + topic + "/status";
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return mqtt.publish(path.c_str(), data.c_str(), false);
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}
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boolean publishStatus(const String& topic, const String& data) {
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String path = mqttRootDevice + "/" + topic + "/status";
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String json = "{}";
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jsonWriteStr(json, "status", data);
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return mqtt.publish(path.c_str(), json.c_str(), false);
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}
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boolean publishEvent(const String& topic, const String& data) {
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String path = mqttRootDevice + "/" + topic + "/event";
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return mqtt.publish(path.c_str(), data.c_str(), true);
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}
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boolean publishInfo(const String& topic, const String& data) {
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String path = mqttRootDevice + "/" + topic + "/info";
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return mqtt.publish(path.c_str(), data.c_str(), false);
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}
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#ifdef LAYOUT_IN_RAM
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void publishWidgets() {
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if (all_widgets != "") {
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int counter = 0;
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String line;
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int psn_1 = 0;
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int psn_2;
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do {
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psn_2 = all_widgets.indexOf("\r\n", psn_1); //\r\n
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line = all_widgets.substring(psn_1, psn_2);
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line.replace("\n", "");
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line.replace("\r\n", "");
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//jsonWriteStr(line, "id", String(counter));
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//jsonWriteStr(line, "pageId", String(counter));
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counter++;
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sendMQTT("config", line);
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Serial.println("[V] " + line);
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psn_1 = psn_2 + 1;
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} while (psn_2 + 2 < all_widgets.length());
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getMemoryLoad("I after send all widgets");
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}
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}
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#endif
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#ifndef LAYOUT_IN_RAM
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void publishWidgets() {
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auto file = seekFile("layout.txt");
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if (!file) {
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SerialPrint("[E]", "MQTT", "no file layout.txt");
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return;
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}
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while (file.available()) {
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String payload = file.readStringUntil('\n');
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SerialPrint("I", "MQTT", "widgets: " + payload);
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publishData("config", payload);
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}
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file.close();
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}
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#endif
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void publishState() {
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// берет строку json и ключи превращает в топики а значения колючей в них посылает
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String str = configLiveJson + "," + configStoreJson;
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str.replace("{", "");
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str.replace("}", "");
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str += ",";
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while (str.length()) {
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String tmp = selectToMarker(str, ",");
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String topic = selectToMarker(tmp, "\":");
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topic.replace("\"", "");
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String state = selectToMarkerLast(tmp, "\":");
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state.replace("\"", "");
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if (topic != "timenow") {
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publishStatus(topic, state);
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}
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str = deleteBeforeDelimiter(str, ",");
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}
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}
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const String getStateStr() {
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switch (mqtt.state()) {
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case -4:
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return F("no respond");
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break;
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case -3:
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return F("connection was broken");
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break;
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case -2:
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return F("connection failed");
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break;
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case -1:
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return F("client disconnected");
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break;
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case 0:
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return F("client connected");
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break;
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case 1:
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return F("doesn't support the requested version");
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break;
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case 2:
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return F("rejected the client identifier");
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break;
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case 3:
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return F("unable to accept the connection");
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break;
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case 4:
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return F("wrong username/password");
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break;
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case 5:
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return F("not authorized to connect");
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break;
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default:
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return F("unspecified");
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break;
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}
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}
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