first commit

libraries/ESP8266MQTTClient/examples/MQTTOverWebsocketClient/MQTTOverWebsocketClient.ino

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+#include <ESP8266MQTTClient.h>
+#include <ESP8266WiFi.h>
+MQTTClient mqtt;
+
+void setup() {
+  Serial.begin(115200);
+  //  WiFi.begin("ssid", "pass");
+
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+    Serial.print(".");
+  }
+
+  //topic, data, data is continuing
+  mqtt.onData([](String topic, String data, bool cont) {
+    Serial.printf("Data received, topic: %s, data: %s\r\n", topic.c_str(), data.c_str());
+    mqtt.unSubscribe("/qos0");
+  });
+
+  mqtt.onSubscribe([](int sub_id) {
+    Serial.printf("Subscribe topic id: %d ok\r\n", sub_id);
+    mqtt.publish("/qos0", "qos0", 0, 0);
+  });
+  mqtt.onConnect([]() {
+    Serial.printf("MQTT: Connected\r\n");
+    Serial.printf("Subscribe id: %d\r\n", mqtt.subscribe("/qos0", 0));
+    mqtt.subscribe("/qos1", 1);
+    mqtt.subscribe("/qos2", 2);
+  });
+
+  mqtt.begin("ws://broker.mqttdashboard.com:8000/mqtt");
+  //mqtt.begin("ws://test.mosquitto.org:8080", {.lwtTopic = "hello", .lwtMsg = "offline", .lwtQos = 0, .lwtRetain = 0});
+  //mqtt.begin("ws://user:pass@mosquito.org:8080");
+  //mqtt.begin("ws://user:pass@mosquito.org:8080#clientId");
+
+}
+
+void loop() {
+  mqtt.handle();
+}