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SignalR Demo
using Microsoft.AspNet.SignalR.Hubs;
using System.Timers;
namespace SignalRDemo
{
public class DemoHub : Hub
{
private readonly DemoTimer _demoTimer;
public DemoHub()
{
_demoTimer = DemoTimer.Instance();
}
public void StartUpdates()
{
_demoTimer.StartUpdates();
}
public void StopUpdates()
{
_demoTimer.StopUpdates();
}
}
}
using Microsoft.AspNet.SignalR;
using System.Timers;
namespace SignalRDemo
{
public class DemoTimer
{
private readonly static DemoTimer _instance = new DemoTimer();
private readonly Timer _timer;
private int _tickCount;
private DemoTimer()
{
_timer = new Timer { Enabled = false, Interval = 1000 };
_timer.Elapsed += (s, e) => UpdateClients();
}
public static DemoTimer Instance()
{
return _instance;
}
private void UpdateClients()
{
GlobalHost.ConnectionManager.GetHubContext<DemoHub>().Clients.All.displayCount(_tickCount++);
}
internal void StartUpdates()
{
_timer.Enabled = true;
}
internal void StopUpdates()
{
_timer.Enabled = false;
}
}
}
<html>
<head>
<script type="text/javascript" src="~/Scripts/jquery-1.6.4.min.js"></script>
<script type="text/javascript" src="~/Scripts/jquery.signalR-1.0.0-alpha2.min.js"></script>
<script type="text/javascript" src="~/signalr/hubs"></script> <!-- SignalR's magic file -->
<title>SignalR Demo</title>
</head>
<body>
<div>
<label id="countLabel"></label>
<input type="button" id="startButton" value="Start" />
<input type="button" id="stopButton" value="Stop" />
</div>
<script type="text/javascript">
$(document).ready(function () {
// register the start button's click event to call a server method
$('#startButton').click(function () {
$.connection.demoHub.server.startUpdates();
});
// register the stop button's click event to call a server method
$('#stopButton').click(function () {
$.connection.demoHub.server.stopUpdates();
});
// create a function on the client for the server to call
$.connection.demoHub.client.displayCount = function (count) {
$('#countLabel').text(count);
};
// make the connection
$.connection.demoHub.connection.start();
});
</script>
</body>
</html>
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