var win = window.open("chrome://segfault/content/console.xul",
                         "console", "chrome,centerscreen, resizable=no");
win.onload = function() {
    var looog =  function(m) {
        win.document.getElementById('debug').value = win.document.getElementById('debug').value + m + "\n";
    }

    var reader = {
        onInputStreamReady : function(input) {
            var sin = Cc["@mozilla.org/scriptableinputstream;1"]
                        .createInstance(Ci.nsIScriptableInputStream);
            sin.init(input);
            sin.available();
            var request = '';
            while (sin.available()) {
              request = request + sin.read(512);
            }
            looog('Received: ' + request);
            input.asyncWait(reader,0,0,null);
        }
    }
    var listener = {
        onSocketAccepted: function(serverSocket, clientSocket) {
            looog("Accepted connection on "+clientSocket.host+":"+clientSocket.port);
            input = clientSocket.openInputStream(0, 0, 0).QueryInterface(Ci.nsIAsyncInputStream);
            output = clientSocket.openOutputStream(Ci.nsITransport.OPEN_BLOCKING, 0, 0);
            input.asyncWait(reader,0,0,null);
        }
    }
    var serverSocket = Cc["@mozilla.org/network/server-socket;1"].
                        createInstance(Ci.nsIServerSocket);
    serverSocket.init(9999, true, 5);
    looog("Opened socket on " + serverSocket.port);
    serverSocket.asyncListen(listener);
}