public bool TryDequeueRequest(ChannelDispatcher channel, TimeSpan timeout, out HttpContextInfo context)
{
DateTime start = DateTime.UtcNow;
context = null;
HttpChannelListenerEntry ce = null;
lock (entries_lock) {
ce = Entries.FirstOrDefault(e => e.ChannelDispatcher == channel);
}
if (ce == null)
{
return(false);
}
lock (ce.RetrieverLock) {
var q = ce.ContextQueue;
if (q.Count == 0)
{
if (timeout.TotalMilliseconds < 0)
{
return(false);
}
TimeSpan waitTimeout = timeout;
if (timeout == TimeSpan.MaxValue)
{
waitTimeout = TimeSpan.FromMilliseconds(int.MaxValue);
}
bool ret = ce.WaitHandle.WaitOne(waitTimeout);
return(ret && TryDequeueRequest(channel, waitTimeout - (DateTime.UtcNow - start), out context)); // recurse, am lazy :/
}
context = q.Dequeue();
return(true);
}
}
internal static int CompareEntries (HttpChannelListenerEntry e1, HttpChannelListenerEntry e2)
{
if (e1.ChannelDispatcher.Endpoints.Count == 0)
return 1;
if (e2.ChannelDispatcher.Endpoints.Count == 0)
return -1;
// select the highest filter priority value in the Endpoints.
int p1 = e1.ChannelDispatcher.Endpoints.OrderByDescending (e => e.FilterPriority).First ().FilterPriority;
int p2 = e2.ChannelDispatcher.Endpoints.OrderByDescending (e => e.FilterPriority).First ().FilterPriority;
// then return the channel dispatcher with higher priority first.
return p2 - p1;
}
internal static int CompareEntries(HttpChannelListenerEntry e1, HttpChannelListenerEntry e2)
{
if (e1.ChannelDispatcher.Endpoints.Count == 0)
{
return(1);
}
if (e2.ChannelDispatcher.Endpoints.Count == 0)
{
return(-1);
}
// select the highest filter priority value in the Endpoints.
int p1 = e1.ChannelDispatcher.Endpoints.OrderByDescending(e => e.FilterPriority).First().FilterPriority;
int p2 = e2.ChannelDispatcher.Endpoints.OrderByDescending(e => e.FilterPriority).First().FilterPriority;
// then return the channel dispatcher with higher priority first.
return(p2 - p1);
}
