Created
November 30, 2016 11:45
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Paho Javascript new Publish Example
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| <html> | |
| <head> | |
| <title>Eclipse Paho MQTT JavaScript Client Example</title> | |
| <!-- Source Paho MQTT Client--> | |
| <script src="../src/paho-mqtt.js"></script> | |
| <!--<script src="../src/paho-mqtt.js"></script>--> | |
| <!-- Utility Javascript --> | |
| <script src="example.js"></script> | |
| </body> | |
| </html> | |
| </head> |
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| // Create a client instance | |
| client = new Paho.MQTT.Client("iot.eclipse.org", Number(443), "/wss"); | |
| client.startTrace(); | |
| // set callback handlers | |
| client.onConnectionLost = onConnectionLost; | |
| client.onMessageArrived = onMessageArrived; | |
| // connect the client | |
| client.connect({onSuccess:onConnect, | |
| useSSL: true}); | |
| console.log("attempting to connect...") | |
| // called when the client connects | |
| function onConnect() { | |
| // Once a connection has been made, make a subscription and send a message. | |
| console.log("onConnect"); | |
| client.subscribe("/World"); | |
| message = new Paho.MQTT.Message("Hello"); | |
| message.destinationName = "/World"; | |
| //client.send(message); | |
| //console.log(client.getTraceLog()); | |
| //client.getTraceLog().forEach(function(line){ | |
| // console.log('Trace: ' + line) | |
| //}); | |
| //newMessage = new Paho.MQTT.Message("Sent using synonyms!"); | |
| //newMessage.topic = "/World"; | |
| client.publish(message) | |
| client.publish("/World", "Hello from a better publish call!", 1, false) | |
| topicMessage = new Paho.MQTT.Message("This is a message where the topic is set by setTopic"); | |
| topicMessage.topic = "/World"; | |
| client.publish(topicMessage) | |
| } | |
| // called when the client loses its connection | |
| function onConnectionLost(responseObject) { | |
| if (responseObject.errorCode !== 0) { | |
| console.log("onConnectionLost:"+responseObject.errorMessage); | |
| } | |
| } | |
| // called when a message arrives | |
| function onMessageArrived(message) { | |
| console.log("onMessageArrived:"+message.payloadString); | |
| } |
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Throwing error:
failed: Error in connection establishment: net::ERR_CONNECTION_RESET