81 lines
2.3 KiB
JavaScript
81 lines
2.3 KiB
JavaScript
// To run,
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//
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// npm install # to install the 'ws' dependency
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// node testServer.js
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"use strict"; // http://ejohn.org/blog/ecmascript-5-strict-mode-json-and-more/
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var WebSocketServer = require('ws').Server;
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var http = require('http');
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var url = require('url');
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var app = http.createServer();
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var server;
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var wssEchoWithSize = new WebSocketServer({ noServer: true });
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wssEchoWithSize.on('connection', function(ws) {
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ws.on('message', function(data) {
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if (data instanceof Buffer) { return; }
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ws.send(data.length + '\n' + data);
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});
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ws.on('close', function() {
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});
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ws.on('error', function(e) {
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});
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});
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var wssBinaryEchoWithSize = new WebSocketServer({ noServer: true });
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wssBinaryEchoWithSize.on('connection', function(ws) {
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ws.on('message', function(data) {
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if (!data instanceof Buffer) { return; }
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var result = new Buffer(data.length + 4);
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result.writeInt32BE(data.length, 0);
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data.copy(result, 4, 0, data.length);
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ws.send(result, { binary: true });
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});
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ws.on('close', function() {
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});
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ws.on('error', function(e) {
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});
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});
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var wssKillServer = new WebSocketServer({ noServer: true });
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wssKillServer.on('connection', function(ws) {
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ws.on('message', function(data) {
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if (data instanceof Buffer) { return; }
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server.close();
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});
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ws.on('close', function() {
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});
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ws.on('error', function(e) {
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});
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});
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app.on('upgrade', function(request, socket, head) {
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var pathname = url.parse(request.url).pathname;
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if ('/echoWithSize' === pathname) {
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wssEchoWithSize.handleUpgrade(request, socket, head, function(ws) {
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wssEchoWithSize.emit('connection', ws, request);
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});
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}
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else if ('/binaryEchoWithSize' === pathname) {
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wssBinaryEchoWithSize.handleUpgrade(request, socket, head, function(ws) {
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wssBinaryEchoWithSize.emit('connection', ws, request);
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});
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}
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else if ('/killServer' === pathname) {
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wssKillServer.handleUpgrade(request, socket, head, function(ws) {
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wssKillServer.emit('connection', ws, request);
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});
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}
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else {
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socket.destroy();
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}
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});
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var PORT = parseInt(process.env.PORT || '8123');
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server = app.listen(PORT);
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console.log('Listening on port ' + PORT + '...');
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