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Mqtt Reserve

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This commit is contained in:
Yuri Trikoz
2020-12-18 13:43:13 +03:00
parent 5f9d9ec48e
commit eddb2eb289
1 changed files with 48 additions and 11 deletions
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59
src/MqttClient.cpp
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@@ -6,8 +6,25 @@
#include "Global.h"
#include "Init.h"
enum MqttBroker {MQTT_PRIMARY, MQTT_RESERVE};
MqttBroker activeBroker = MQTT_PRIMARY;
String mqttPrefix;
String mqttRootDevice;
String mqttPass;
String mqttServer;
String mqttUser;
uint16_t mqttPort{0};
uint16_t reconnectionCounter{0};
bool primaryExist = false;
const String getParamName(const char* param, MqttBroker broker) {
return String("mqtt") + param + (broker == MQTT_RESERVE? "2": "");
}
bool checkBrokerParams(MqttBroker broker) {
return !jsonReadStr(configSetupJson, getParamName("Server", broker)).isEmpty();
}
void mqttInit() {
myNotAsyncActions->add(
@@ -29,6 +46,16 @@ void mqttInit() {
}
else {
SerialPrint("E", "MQTT", "lost connection");
if (reconnectionCounter++ > 5) {
if (activeBroker == MQTT_PRIMARY) {
if (checkBrokerParams(MQTT_RESERVE)) {
activeBroker = MQTT_RESERVE;
}
} else {
activeBroker = MQTT_PRIMARY;
}
reconnectionCounter = 0;
}
mqttConnect();
}
}
@@ -77,25 +104,35 @@ void mqttSubscribe() {
}
}
boolean mqttConnect() {
SerialPrint("I", "MQTT", "start connection");
String addr = jsonReadStr(configSetupJson, "mqttServer");
if (!addr) {
SerialPrint("E", "MQTT", "no broker address");
bool readBrokerParams(MqttBroker broker) {
if(!checkBrokerParams(broker)) {
return false;
}
int port = jsonReadInt(configSetupJson, "mqttPort");
String user = jsonReadStr(configSetupJson, "mqttUser");
String pass = jsonReadStr(configSetupJson, "mqttPass");
mqttServer = jsonReadStr(configSetupJson, getParamName("Server", broker));
mqttPort = jsonReadInt(configSetupJson, getParamName("Port", broker));
mqttUser = jsonReadStr(configSetupJson, getParamName("User", broker));
mqttPass = jsonReadStr(configSetupJson, getParamName("Pass", broker));
return true;
}
boolean mqttConnect() {
SerialPrint("I", "MQTT", String("use ") + (activeBroker == MQTT_PRIMARY? "primary": "reserve"));
if (!checkBrokerParams(activeBroker)) {
SerialPrint("E", "MQTT", "empty broker address");
return false;
}
readBrokerParams(activeBroker);
SerialPrint("I", "MQTT", "start connection");
mqttPrefix = jsonReadStr(configSetupJson, "mqttPrefix");
mqttRootDevice = mqttPrefix + "/" + chipId;
SerialPrint("I", "MQTT", "broker " + addr + ":" + String(port, DEC));
SerialPrint("I", "MQTT", "broker " + mqttServer + ":" + String(mqttPort, DEC));
SerialPrint("I", "MQTT", "topic " + mqttRootDevice);
setLedStatus(LED_FAST);
mqtt.setServer(addr.c_str(), port);
mqtt.setServer(mqttServer.c_str(), mqttPort);
bool res = false;
if (!mqtt.connected()) {
if (mqtt.connect(chipId.c_str(), user.c_str(), pass.c_str())) {
if (mqtt.connect(chipId.c_str(), mqttUser.c_str(), mqttPass.c_str())) {
SerialPrint("I", "MQTT", "connected");
setLedStatus(LED_OFF);
mqttSubscribe();