public void MsgQueueHandler_Basic()
{
MsgQueueHandler handler = null;
MsgQueue queue = null;
ClearFolder();
try
{
handler = new MsgQueueHandler();
handler.Start(router, null, null, null);
queue = new MsgQueue(router);
queue.EnqueueTo("foo", new QueuedMsg("bar"));
Assert.AreEqual("bar", queue.DequeueFrom("foo", TimeSpan.FromSeconds(1)).Body);
}
finally
{
if (handler != null)
{
handler.Stop();
}
if (queue != null)
{
queue.Close();
}
}
}
/// <summary>
/// Stops the service immediately, terminating any user activity.
/// </summary>
public void Stop()
{
lock (syncLock)
{
if (state == ServiceState.Stopped)
{
return;
}
SysLog.LogInformation("Message Queue Service Stop");
SysLog.Flush();
base.Close();
state = ServiceState.Stopped;
if (router != null)
{
handler.Stop();
handler = null;
router.Stop();
router = null;
}
Program.PerfCounters.Zero();
}
}
private ServiceState state; // Current service state
/// <summary>
/// Constructor.
/// </summary>
public AppService()
{
this.router = null;
this.handler = null;
this.state = ServiceState.Stopped;
// Prepare the service to accept remote ServiceControl commands.
base.Open();
}
/// <summary>
/// Starts the service, associating it with an <see cref="IServiceHost" /> instance.
/// </summary>
/// <param name="serviceHost">The service user interface.</param>
/// <param name="args">Command line arguments.</param>
public void Start(IServiceHost serviceHost, string[] args)
{
lock (syncLock)
{
if (router != null)
{
return; // Already started
}
// Global initialization
NetTrace.Start();
Program.Config = new Config(MsgQueueHandler.ConfigPrefix);
Program.InstallPerfCounters();
// Service initialization
this.serviceHost = serviceHost;
SysLog.LogInformation("Message Queue v{0} Start", Helper.GetVersionString());
try
{
router = new LeafRouter();
router.Start();
handler = new MsgQueueHandler();
handler.Start(router, null, Program.PerfCounters, null);
state = ServiceState.Running;
}
catch (Exception e)
{
if (handler != null)
{
handler.Stop();
handler = null;
}
if (router != null)
{
router.Stop();
router = null;
}
SysLog.LogException(e);
throw;
}
}
}
/// <summary>
/// Handles the performance counter installation if they don't
/// already exist.
/// </summary>
/// <returns>The application's <see cref="PerfCounterSet" />.</returns>
public static PerfCounterSet InstallPerfCounters()
{
bool exists = PerformanceCounterCategory.Exists(Const.MessageQueuePerf);
PerfCounterSet perfCounters;
perfCounters = new PerfCounterSet(false, true, Const.MessageQueuePerf, Const.MessageQueueName);
if (!exists)
{
MsgQueueHandler.InstallPerfCounters(perfCounters, null);
perfCounters.Install();
}
return(perfCounters);
}
