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Handling WebSocket Errors
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<!doctype html> | |
<html> | |
<head> | |
<meta charset="utf-8"> | |
<meta http-equiv="x-ua-compatible" content="ie=edge"> | |
<title>WebSocket Demostration</title> | |
<meta name="description" content=""> | |
<meta name="viewport" content="width=device-width, initial-scale=1"> | |
</head> | |
<body> | |
<p>Hello world!</p> | |
<script> | |
var socket | |
function sendMessage(socket) { | |
socket.send('Boo!'); | |
console.log('Sent boo!'); | |
setTimeout(function () { sendMessage(socket); }, 60000); | |
} | |
function sendUnidirectionHeartbeat(socket) { | |
socket.send('tale tell heart'); | |
} | |
function setupSocket() { | |
socket = new WebSocket("ws://localhost:8080"); | |
socket.onopen = function (event) { | |
sendMessage(socket); | |
setInterval(function () { sendUnidirectionHeartbeat(socket) }, 30000); | |
sendUnidirectionalHeartbeat(socket); | |
} | |
socket.onmessage = function (message) { | |
console.log('Got message: ' + message); | |
} | |
socket.onclose = function (event) { | |
console.log('Connection closing--reopening now'); | |
setupSocket(); | |
} | |
socket.onerror = function (event) { | |
console.log('Error occured, closing and reopening'); | |
socket.close(); | |
} | |
} | |
setupSocket(); | |
</script> | |
</body> | |
</html> |
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