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javascript and C# server comunication
connection.Send(Encoding.ASCII.GetBytes("HTTP/1.1 101 Switching ProtocolsrnUpgrade:  WebSocketrnConnection: UpgradernSec-WebSocket-Accept: " + aux));
connection.Send(Encoding.ASCII.GetBytes("rnrn"));

public static String ComputeWebSocketHandshakeSecurityHash09(String secWebSocketKey)
    {
        const String MagicKEY = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
        String secWebSocketAccept = String.Empty;

        // 1. Combine the request Sec-WebSocket-Key with magic key.
        String ret = secWebSocketKey + MagicKEY;

        Console.WriteLine("-   " + ret + "   -");

        // 2. Compute the SHA1 hash
        SHA1 sha = new SHA1CryptoServiceProvider();
        byte[] sha1Hash = sha.ComputeHash(Encoding.UTF8.GetBytes(ret));

        // 3. Base64 encode the hash
        secWebSocketAccept = Convert.ToBase64String(sha1Hash);

        return secWebSocketAccept;
    }

var ws;
$(document).ready(function () {

// test if the browser supports web sockets
if ("WebSocket" in window) {
    debug("Browser supports web sockets!", 'success');
    connect($('#host').val());
    $('#console_send').removeAttr('disabled');
} else {
    debug("Browser does not support web sockets", 'error');
};

// function to send data on the web socket
function ws_send(str) {
    try {
        ws.send(str);
    } catch (err) {
        debug(err, 'error');
    }
}

// connect to the specified host
function connect(host) {

    debug("Connecting to " + host + " ...");
    try {
        ws = new WebSocket(host); // create the web socket
    } catch (err) {
        debug(err, 'error');
    }
    $('#host_connect').attr('disabled', true); // disable the 'reconnect' button

    ws.onopen = function () {
        debug("connected... ", 'success'); // we are in! Big Grin | :-D
    };

    ws.onmessage = function (evt) {
        debug(evt.data, 'response'); // we got some data - show it omg!!
    };

    ws.onclose = function () {
        debug("Socket closed!", 'error'); // the socket was closed (this could be an error or simply that there is no server)
        $('#host_connect').attr('disabled', false); // re-enable the 'reconnect button
    };
};

// function to display stuff, the second parameter is the class of the <p> (used for styling)
function debug(msg, type) {
    $("#console").append('<p class="' + (type || '') + '">' + msg + '</p>');
};

// the user clicked to 'reconnect' button
$('#host_connect').click(function () {
    debug("n");
    connect($('#host').val());
});

// the user clicked the send button
$('#console_send').click(function () {
    ws_send($('#console_input').val());
});

$('#console_input').keyup(function (e) {
    if(e.keyCode == 13) // enter is pressed
        ws_send($('#console_input').val());
});

});