public void Start()
{
ifStats(s => s.Reset());
// configure the ThreadPool
// TODO: Numbers may need serious adjustment
var tps = Settings.ThreadPool;
ThreadPool.SetMaxThreads(tps.MaxThreads, tps.MaxIOThreads);
ThreadPool.SetMinThreads(tps.MinThreads, tps.MinIOThreads);
// setup the request processing loop
_stopEvent = new ManualResetEvent(false);
_processorCounter = new Counter(0);
_listenerCounter = new Semaphore(
Settings.ListenerThreads,
Settings.ListenerThreads);
// Foreground thread prevents application from terminating
// we don't want the app to end until the server is stopped
_spawnThread = new Thread(spawnLoop) {
Priority = ThreadPriority.AboveNormal,
IsBackground = false,
};
_listener = new HttpListener();
foreach (var rawHost in Settings.Hosts) {
var host = rawHost;
if (!rawHost.StartsWith("http"))
host = "http://" + host;
if (!rawHost.EndsWith("/"))
host = host + "/";
_listener.Prefixes.Add(host);
}
// fire up the server
_spawnThread.Start();
IsServing = true;
}
public void Stop()
{
if (!IsServing)
return;
// 1. Signal everything to begin shutting down
_stopEvent.Set();
// 2. Stop the main spawn thread first.
_spawnThread.Join();
// 3. Stops any future listener from starting.
_listener.Abort();
// 4. Wait until all started listeners stop
for (var i = 0; i < Settings.ListenerThreads; i++)
_listenerCounter.WaitOne();
// 5. Wait until all request processors have stopped
_processorCounter.WaitForZero();
// All threads are terminated by this point
_processorCounter = null;
_listenerCounter = null;
_spawnThread = null;
_listener = null;
IsServing = false;
}
