|
private Complete ( |
||
| exception | ||
| return | void | |
internal void Complete(Exception exc)
{
if (forward != null)
{
forward.Complete(exc);
return;
}
exception = exc;
if (InGet && (exc is ObjectDisposedException))
{
exception = new HttpListenerException(500, "Listener closed");
}
lock (locker) {
completed = true;
if (handle != null)
{
handle.Set();
}
if (cb != null)
{
ThreadPool.UnsafeQueueUserWorkItem(InvokeCB, this);
}
}
}
public IAsyncResult BeginGetContext(AsyncCallback callback, Object state)
{
CheckDisposed();
if (!listening)
{
throw new InvalidOperationException("Please, call Start before using this method.");
}
ListenerAsyncResult ares = new ListenerAsyncResult(callback, state);
// lock wait_queue early to avoid race conditions
lock (((ICollection)wait_queue).SyncRoot) {
lock (((ICollection)ctx_queue).SyncRoot) {
HttpListenerContext ctx = GetContextFromQueue();
if (ctx != null)
{
ares.Complete(ctx, true);
return(ares);
}
}
wait_queue.Add(ares);
}
return(ares);
}
internal void RegisterContext(HttpListenerContext context)
{
lock (_ctxRegistrySync)
_ctxRegistry[context] = context;
ListenerAsyncResult ares = null;
lock (_waitQueueSync) {
if (_waitQueue.Count == 0)
{
lock (_ctxQueueSync)
_ctxQueue.Add(context);
}
else
{
ares = _waitQueue[0];
_waitQueue.RemoveAt(0);
}
}
if (ares != null)
{
ares.Complete(context);
}
}
internal void RegisterContext(HttpListenerContext context)
{
lock (((ICollection)_registry).SyncRoot)
_registry [context] = context;
ListenerAsyncResult ares = null;
lock (((ICollection)_waitQueue).SyncRoot) {
if (_waitQueue.Count == 0)
{
lock (((ICollection)_contextQueue).SyncRoot)
_contextQueue.Add(context);
}
else
{
ares = _waitQueue [0];
_waitQueue.RemoveAt(0);
}
}
if (ares != null)
{
ares.Complete(context);
}
}
internal ListenerAsyncResult BeginGetContext(ListenerAsyncResult asyncResult)
{
CheckDisposed();
if (_prefixes.Count == 0)
{
throw new InvalidOperationException("The listener has no URI prefix on which listens.");
}
if (!_listening)
{
throw new InvalidOperationException("The listener hasn't been started.");
}
// Lock _waitQueue early to avoid race conditions.
lock (_waitQueueSync) {
lock (_ctxQueueSync) {
var ctx = getContextFromQueue();
if (ctx != null)
{
asyncResult.Complete(ctx, true);
return(asyncResult);
}
}
_waitQueue.Add(asyncResult);
}
return(asyncResult);
}
internal ListenerAsyncResult BeginGetContext(ListenerAsyncResult asyncResult)
{
CheckDisposed();
if (_prefixes.Count == 0)
{
throw new InvalidOperationException("Please, call AddPrefix before using this method.");
}
if (!_listening)
{
throw new InvalidOperationException("Please, call Start before using this method.");
}
// Lock _waitQueue early to avoid race conditions.
lock (((ICollection)_waitQueue).SyncRoot) {
lock (((ICollection)_contextQueue).SyncRoot) {
var context = getContextFromQueue();
if (context != null)
{
asyncResult.Complete(context, true);
return(asyncResult);
}
}
_waitQueue.Add(asyncResult);
}
return(asyncResult);
}
internal void RegisterContext(HttpListenerContext context)
{
object syncRoot = ((ICollection)this._registry).SyncRoot;
lock (syncRoot)
{
this._registry[context] = context;
}
ListenerAsyncResult listenerAsyncResult = null;
object syncRoot2 = ((ICollection)this._waitQueue).SyncRoot;
lock (syncRoot2)
{
if (this._waitQueue.Count == 0)
{
object syncRoot3 = ((ICollection)this._contextQueue).SyncRoot;
lock (syncRoot3)
{
this._contextQueue.Add(context);
}
}
else
{
listenerAsyncResult = this._waitQueue[0];
this._waitQueue.RemoveAt(0);
}
}
if (listenerAsyncResult != null)
{
listenerAsyncResult.Complete(context);
}
}
internal ListenerAsyncResult BeginGetContext(ListenerAsyncResult asyncResult)
{
this.CheckDisposed();
if (this._prefixes.Count == 0)
{
throw new InvalidOperationException("Please, call AddPrefix before using this method.");
}
if (!this._listening)
{
throw new InvalidOperationException("Please, call Start before using this method.");
}
object syncRoot = ((ICollection)this._waitQueue).SyncRoot;
lock (syncRoot)
{
object syncRoot2 = ((ICollection)this._contextQueue).SyncRoot;
lock (syncRoot2)
{
HttpListenerContext contextFromQueue = this.getContextFromQueue();
if (contextFromQueue != null)
{
asyncResult.Complete(contextFromQueue, true);
return(asyncResult);
}
}
this._waitQueue.Add(asyncResult);
}
return(asyncResult);
}
/// <summary>
/// Begins getting an incoming request information asynchronously.
/// </summary>
/// <remarks>
/// This asynchronous operation must be completed by calling the <see cref="EndGetContext"/> method.
/// Typically, the method is invoked by the <paramref name="callback"/> delegate.
/// </remarks>
/// <returns>
/// An <see cref="IAsyncResult"/> that contains the status of the asynchronous operation.
/// </returns>
/// <param name="callback">
/// An <see cref="AsyncCallback"/> delegate that references the method(s)
/// called when the asynchronous operation completes.
/// </param>
/// <param name="state">
/// An <see cref="object"/> that contains a user defined object to pass to the <paramref name="callback"/> delegate.
/// </param>
/// <exception cref="ObjectDisposedException">
/// This object has been closed.
/// </exception>
/// <exception cref="InvalidOperationException">
/// The <see cref="HttpListener"/> has not been started or is stopped currently.
/// </exception>
public IAsyncResult BeginGetContext(AsyncCallback callback, Object state)
{
CheckDisposed ();
if (!listening)
throw new InvalidOperationException ("Please, call Start before using this method.");
ListenerAsyncResult ares = new ListenerAsyncResult (callback, state);
// lock wait_queue early to avoid race conditions
lock (((ICollection)wait_queue).SyncRoot) {
lock (((ICollection)ctx_queue).SyncRoot) {
HttpListenerContext ctx = GetContextFromQueue ();
if (ctx != null) {
ares.Complete (ctx, true);
return ares;
}
}
wait_queue.Add (ares);
}
return ares;
}
internal ListenerAsyncResult BeginGetContext(ListenerAsyncResult asyncResult)
{
CheckDisposed ();
if (_prefixes.Count == 0)
throw new InvalidOperationException ("The listener has no URI prefix on which listens.");
if (!_listening)
throw new InvalidOperationException ("The listener hasn't been started.");
// Lock _waitQueue early to avoid race conditions.
lock (_waitQueueSync) {
lock (_ctxQueueSync) {
var ctx = getContextFromQueue ();
if (ctx != null) {
asyncResult.Complete (ctx, true);
return asyncResult;
}
}
_waitQueue.Add (asyncResult);
}
return asyncResult;
}
internal ListenerAsyncResult BeginGetContext (ListenerAsyncResult asyncResult)
{
CheckDisposed ();
if (_prefixes.Count == 0)
throw new InvalidOperationException (
"Please, call AddPrefix before using this method.");
if (!_listening)
throw new InvalidOperationException (
"Please, call Start before using this method.");
// Lock _waitQueue early to avoid race conditions
lock (((ICollection) _waitQueue).SyncRoot) {
lock (((ICollection) _contextQueue).SyncRoot) {
var context = getContextFromQueue ();
if (context != null) {
asyncResult.Complete (context, true);
return asyncResult;
}
}
_waitQueue.Add (asyncResult);
}
return asyncResult;
}
