99 lines
2.5 KiB
JavaScript
99 lines
2.5 KiB
JavaScript
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// listener UDP version
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// it wants some binary data
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//
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// data format
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// basically it's the frame format of the frame server
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// byte "s2l\n<8<18 "
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// byte z (can be ignored)
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// byte \n
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// byte windows 12*4 RGBA values '\n' repeated 8 times for the 8 rows
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// byte segments 8*4 RGBA values '\n' repeated 12 times for the top row
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// set to true for debugging and seeing messages sent to server
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var verbose = false;
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var count = 0;
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var clients = {};
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var http = require('http');
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var dgram=require('dgram');
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var server = http.createServer(function(request, response) {});
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server.listen(1234, function() {
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console.log((new Date()) + ' Webserver is listening on port 1234');
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});
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var WebSocketServer = require('websocket').server;
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wsServer = new WebSocketServer({
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httpServer: server
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});
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var server = dgram.createSocket('udp4');
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server.bind(4422, '127.0.0.1');
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console.log((new Date()) + ' UDP display is listening on port 4422');
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wsServer.on('request', function(r) {
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var connection = r.accept('echo-protocol', r.origin);
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// Specific id for this client & increment count
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var id = count++;
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// Store the connection method so we can loop through & contact all clients
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clients[id] = connection
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console.log((new Date()) + ' Connection accepted [' + id + ']');
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// clients[id].sendUTF("Welcome to the server. You are connected. This message has been pushed to you.");
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// Create event listener
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connection.on('message', function(message) {
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// The string message that was sent to us
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var msgString = message.utf8Data;
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// Loop through all clients
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for(var i in clients){
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// Send a message to the client with the message
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clients[i].sendUTF(msgString);
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}
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});
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// Create event listener for close
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connection.on('close', function(reasonCode, description) {
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delete clients[id];
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console.log((new Date()) + ' Peer ' + connection.remoteAddress + ' disconnected.');
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});
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});
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var sendTime = function () {
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var now, i = 0;
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// get time now
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now = new Date();
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// send time to all clients
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for(i in clients) {
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// Send a message to the client with the message
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clients[i].sendUTF(now);
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}
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// repeat in 5 seconds
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setTimeout(sendTime, 5000);
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};
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server.on("message", function (msg, rinfo) {
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if( verbose ) {
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console.log("server got (" + msg.length + ") bytes: " + msg + " from " +
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rinfo.address + ":" + rinfo.port);
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}
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for(i in clients) {
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// Send a message to the client with the message
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clients[i].sendUTF(msg);
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}
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});
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// every 5 seconds send the date/time
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