public override int EndRead(IAsyncResult asyncResult)
{
if (_disposed)
{
throw new ObjectDisposedException(GetType().ToString());
}
if (asyncResult == null)
{
throw new ArgumentNullException("asyncResult");
}
var ares = asyncResult as HttpStreamAsyncResult;
if (ares == null)
{
throw new ArgumentException("A wrong IAsyncResult.", "asyncResult");
}
if (!ares.IsCompleted)
{
ares.AsyncWaitHandle.WaitOne();
}
if (ares.HasException)
{
throw new HttpListenerException(400, "I/O operation aborted.");
}
return(ares.Count);
}
private void onRead(IAsyncResult asyncResult)
{
var rState = (ReadBufferState)asyncResult.AsyncState;
var ares = rState.AsyncResult;
try
{
var nread = base.EndRead(asyncResult);
_decoder.Write(ares.Buffer, ares.Offset, nread);
nread = _decoder.Read(rState.Buffer, rState.Offset, rState.Count);
rState.Offset += nread;
rState.Count -= nread;
if (rState.Count == 0 || !_decoder.WantMore || nread == 0)
{
_noMoreData = !_decoder.WantMore && nread == 0;
ares.Count = rState.InitialCount - rState.Count;
ares.Complete();
return;
}
ares.Offset = 0;
ares.Count = Math.Min(_bufferLength, _decoder.ChunkLeft + 6);
base.BeginRead(ares.Buffer, ares.Offset, ares.Count, onRead, rState);
}
catch (Exception ex)
{
_context.Connection.SendError(ex.Message, 400);
ares.Complete(ex);
}
}
public override WebResponse EndGetResponse(IAsyncResult asyncResult)
{
if (asyncResult == null)
{
throw new ArgumentNullException("AsyncResult cannot be null!");
}
if (!(asyncResult is FtpAsyncResult) || asyncResult != this.asyncResult)
{
throw new ArgumentException("AsyncResult is from another request!");
}
FtpAsyncResult asyncFtpResult = (FtpAsyncResult)asyncResult;
if (!asyncFtpResult.WaitUntilComplete(timeout, false))
{
Abort();
throw new WebException("Transfer timed out.", WebExceptionStatus.Timeout);
}
CheckIfAborted();
asyncResult = null;
if (asyncFtpResult.GotException)
{
throw asyncFtpResult.Exception;
}
return(asyncFtpResult.Response);
}
/// <summary>
/// Ends an async request to get the external ip address of the router
/// </summary>
public override IPAddress EndGetExternalIP(IAsyncResult result)
{
if (result == null)
{
throw new ArgumentNullException("result");
}
PortMapAsyncResult mappingResult = result as PortMapAsyncResult;
if (mappingResult == null)
{
throw new ArgumentException("Invalid AsyncResult", "result");
}
if (!result.IsCompleted)
{
result.AsyncWaitHandle.WaitOne();
}
if (mappingResult.SavedMessage is ErrorMessage)
{
ErrorMessage msg = mappingResult.SavedMessage as ErrorMessage;
throw new MappingException(msg.ErrorCode, msg.Description);
}
return(((GetExternalIPAddressResponseMessage)mappingResult.SavedMessage).ExternalIPAddress);
}
private void EndOp(IAsyncResult supplied, ref AsyncResult actual)
{
if (supplied == null)
{
throw new ArgumentNullException("result");
}
if (supplied != actual)
{
throw new ArgumentException("Supplied IAsyncResult does not match the stored result");
}
if (!supplied.IsCompleted)
{
supplied.AsyncWaitHandle.WaitOne();
}
if (actual.StoredException != null)
{
throw actual.StoredException;
}
pendingOp = false;
actual = null;
}
public override int EndRead(IAsyncResult asyncResult)
{
this.checkDisposed();
InternalAsyncResult internalResult = asyncResult as InternalAsyncResult;
if (internalResult == null)
{
throw new ArgumentNullException("asyncResult is null or was not obtained by calling BeginRead.");
}
// Always wait until the read is complete
if (!asyncResult.IsCompleted)
{
if (!asyncResult.AsyncWaitHandle.WaitOne())
{
throw new TlsException(AlertDescription.InternalError, "Couldn't complete EndRead");
}
}
if (internalResult.CompletedWithError)
{
throw internalResult.AsyncException;
}
return(internalResult.BytesRead);
}
public override void EndWrite(IAsyncResult ares)
{
if (disposed)
{
throw new ObjectDisposedException(GetType().ToString());
}
if (ignore_errors)
{
try
{
stream.EndWrite(ares);
if (response.SendChunked)
{
stream.Write(crlf, 0, 2);
}
}
catch
{
}
}
else
{
stream.EndWrite(ares);
if (response.SendChunked)
{
stream.Write(crlf, 0, 2);
}
}
}
public override WebResponse EndGetResponse(IAsyncResult asyncResult)
{
if (asyncResult == null)
{
throw new ArgumentNullException("asyncResult");
}
if (!asyncResult.IsCompleted)
{
asyncResult.AsyncWaitHandle.WaitOne();
}
AsyncResult async = (AsyncResult)asyncResult;
GetResponseCallback cb = (GetResponseCallback)async.AsyncDelegate;
#if SSHARP
FileWebResponse webResponse = (FileWebResponse)cb.EndInvokeEx(asyncResult);
#else
FileWebResponse webResponse = (FileWebResponse)cb.EndInvoke(asyncResult);
#endif
asyncResponding = false;
if (webResponse.HasError)
{
throw webResponse.Error;
}
return(webResponse);
}
private void WriteAsyncCB(IAsyncResult r)
{
WebAsyncResult result = (WebAsyncResult)r.AsyncState;
result.InnerAsyncResult = null;
try
{
cnc.EndWrite(request, true, r);
result.SetCompleted(false, 0);
if (!initRead)
{
initRead = true;
WebConnection.InitRead(cnc);
}
}
catch (Exception e)
{
KillBuffer();
nextReadCalled = true;
cnc.Close(true);
if (e is System.Net.Sockets.SocketException)
{
e = new IOException("Error writing request", e);
}
result.SetCompleted(false, e);
}
if (allowBuffering && !sendChunked && request.ContentLength > 0 && totalWritten == request.ContentLength)
{
complete_request_written = true;
}
result.DoCallback();
}
public override void EndWrite(IAsyncResult asyncResult)
{
this.checkDisposed();
InternalAsyncResult internalResult = asyncResult as InternalAsyncResult;
if (internalResult == null)
{
throw new ArgumentNullException("asyncResult is null or was not obtained by calling BeginWrite.");
}
if (!asyncResult.IsCompleted)
{
if (!internalResult.AsyncWaitHandle.WaitOne())
{
throw new TlsException(AlertDescription.InternalError, "Couldn't complete EndWrite");
}
}
if (internalResult.CompletedWithError)
{
throw internalResult.AsyncException;
}
}
private void CompleteMessage(IAsyncResult result)
{
PortMapAsyncResult mappingResult = result.AsyncState as PortMapAsyncResult;
mappingResult.CompletedSynchronously = result.CompletedSynchronously;
mappingResult.Complete();
}
public override int EndRead(IAsyncResult asyncResult)
{
if (asyncResult == null)
{
throw new ArgumentNullException("asyncResult");
}
AsyncResult ar = asyncResult as AsyncResult;
if (ar == null)
{
throw new ArgumentException("Invalid asyncResult", "asyncResult");
}
ReadDelegate del = ar.AsyncDelegate as ReadDelegate;
if (del == null)
{
throw new ArgumentException("Invalid asyncResult", "asyncResult");
}
#if SSHARP
return(del.EndInvokeEx <int> (asyncResult));
#else
return(del.EndInvoke(asyncResult));
#endif
}
public override int EndRead(IAsyncResult ares)
{
if (disposed)
{
throw new ObjectDisposedException(GetType().ToString());
}
HttpStreamAsyncResult my_ares = ares as HttpStreamAsyncResult;
if (ares == null)
{
throw new ArgumentException("Invalid IAsyncResult", "ares");
}
if (!ares.IsCompleted)
{
ares.AsyncWaitHandle.WaitOne();
}
if (my_ares.Error != null)
{
throw new HttpListenerException(400, "I/O operation aborted: " + my_ares.Error.Message);
}
return(my_ares.Count);
}
public override void EndWrite(IAsyncResult ar)
{
var s = socket;
Debug.WriteLine("NS ({0}): EndWrite ({1}) ", s == null ? "<unknown>" : s.InternalRemoteEndPoint.ToString(), ar == null ? "<unknown>" : ar.GetType().Name);
CheckDisposed();
if (ar == null)
{
throw new ArgumentNullException("async result is null");
}
if (s == null)
{
throw new IOException("Connection closed");
}
try
{
s.EndSend(ar);
}
catch (Exception e)
{
throw new IOException("EndWrite failure", e);
}
}
private void OnRead(IAsyncResult base_ares)
{
ReadBufferState rb = (ReadBufferState)base_ares.AsyncState;
HttpStreamAsyncResult ares = rb.Ares;
try
{
int nread = base.EndRead(base_ares);
decoder.Write(ares.Buffer, ares.Offset, nread);
nread = decoder.Read(rb.Buffer, rb.Offset, rb.Count);
rb.Offset += nread;
rb.Count -= nread;
if (rb.Count == 0 || !decoder.WantMore || nread == 0)
{
no_more_data = !decoder.WantMore && nread == 0;
ares.Count = rb.InitialCount - rb.Count;
ares.Complete();
return;
}
ares.Offset = 0;
ares.Count = Math.Min(8192, decoder.ChunkLeft + 6);
base.BeginRead(ares.Buffer, ares.Offset, ares.Count, OnRead, rb);
}
catch (Exception e)
{
context.Connection.SendError(e.Message, 400);
ares.Complete(e);
}
}
/// <summary>
///
/// </summary>
/// <param name="result"></param>
public override void EndDeletePortMap(IAsyncResult result)
{
if (result == null)
{
throw new ArgumentNullException("result");
}
PortMapAsyncResult mappingResult = result as PortMapAsyncResult;
if (mappingResult == null)
{
throw new ArgumentException("Invalid AsyncResult", "result");
}
// Check if we need to wait for the operation to finish
if (!mappingResult.IsCompleted)
{
mappingResult.AsyncWaitHandle.WaitOne();
}
// If we have a saved exception, it means something went wrong during the mapping
// so we just rethrow the exception and let the user figure out what they should do.
if (mappingResult.SavedMessage is ErrorMessage)
{
ErrorMessage msg = mappingResult.SavedMessage as ErrorMessage;
throw new MappingException(msg.ErrorCode, msg.Description);
}
// If all goes well, we just return
//return true;
}
public override int EndRead(IAsyncResult ar)
{
var s = socket;
Debug.WriteLine(String.Format("NS ({0}): EndRead ({1})", s == null ? "<unknown>" : s.InternalRemoteEndPoint.ToString(),
ar == null ? "<unknown>" : ar.GetType().Name));
int res = 0;
CheckDisposed();
if (ar == null)
{
throw new ArgumentNullException("async result is null");
}
if (s == null)
{
throw new IOException("Connection closed");
}
try
{
res = s.EndReceive(ar);
}
catch (Exception e)
{
throw new IOException("EndRead failure", e);
}
return(res);
}
private void EndGetAllMappingsInternal(IAsyncResult result)
{
EndMessageInternal(result);
GetAllMappingsAsyncResult mappingResult = result.AsyncState as GetAllMappingsAsyncResult;
GetGenericPortMappingEntryResponseMessage message = mappingResult.SavedMessage as GetGenericPortMappingEntryResponseMessage;
if (message != null)
{
Mapping mapping = new Mapping(message.Protocol, message.InternalPort, message.ExternalPort, message.LeaseDuration);
mapping.Description = message.PortMappingDescription;
mappingResult.Mappings.Add(mapping);
GetGenericPortMappingEntry next = new GetGenericPortMappingEntry(mappingResult.Mappings.Count, this);
// It's ok to do this synchronously because we should already be on anther thread
// and this won't block the user.
byte[] body;
WebRequest request = next.Encode(out body);
if (body.Length > 0)
{
request.ContentLength = body.Length;
request.GetRequestStream().Write(body, 0, body.Length);
}
mappingResult.Request = request;
request.BeginGetResponse(EndGetAllMappingsInternal, mappingResult);
return;
}
CompleteMessage(result);
}
public override int EndRead(IAsyncResult asyncResult)
{
if (_disposed)
{
throw new ObjectDisposedException(GetType().ToString());
}
if (asyncResult == null)
{
throw new ArgumentNullException("asyncResult");
}
if (asyncResult is HttpStreamAsyncResult)
{
var ares = (HttpStreamAsyncResult)asyncResult;
if (!ares.IsCompleted)
{
ares.AsyncWaitHandle.WaitOne();
}
return(ares.SyncRead);
}
// Close on exception?
var nread = _stream.EndRead(asyncResult);
if (nread > 0 && _bodyLeft > 0)
{
_bodyLeft -= nread;
}
return(nread);
}
private void WriteCallbackWrapper(IAsyncResult r)
{
WebAsyncResult result = r as WebAsyncResult;
if (result != null && result.AsyncWriteAll)
{
return;
}
if (r.AsyncState != null)
{
result = (WebAsyncResult)r.AsyncState;
result.InnerAsyncResult = r;
result.DoCallback();
}
else
{
try
{
EndWrite(r);
}
catch
{
}
}
}
private void EndMessageInternal(IAsyncResult result)
{
HttpWebResponse response = null;
PortMapAsyncResult mappingResult = result.AsyncState as PortMapAsyncResult;
try
{
try
{
response = (HttpWebResponse)mappingResult.Request.EndGetResponse(result);
}
catch (WebException ex)
{
// Even if the request "failed" i want to continue on to read out the response from the router
response = ex.Response as HttpWebResponse;
if (response == null)
{
mappingResult.SavedMessage = new ErrorMessage((int)ex.Status, ex.Message);
}
}
if (response != null)
{
mappingResult.SavedMessage = DecodeMessageFromResponse(response.GetResponseStream(), response.ContentLength);
}
}
finally
{
if (response != null)
{
response.Close();
}
}
}
public override Mapping EndGetSpecificMapping(IAsyncResult result)
{
if (result == null)
{
throw new ArgumentNullException("result");
}
GetAllMappingsAsyncResult mappingResult = result as GetAllMappingsAsyncResult;
if (mappingResult == null)
{
throw new ArgumentException("Invalid AsyncResult", "result");
}
if (!mappingResult.IsCompleted)
{
mappingResult.AsyncWaitHandle.WaitOne();
}
if (mappingResult.SavedMessage is ErrorMessage)
{
ErrorMessage message = mappingResult.SavedMessage as ErrorMessage;
if (message.ErrorCode != 0x2ca)
{
throw new MappingException(message.ErrorCode, message.Description);
}
}
if (mappingResult.Mappings.Count == 0)
{
return(new Mapping(Protocol.Tcp, -1, -1));
}
return(mappingResult.Mappings[0]);
}
public override void EndWrite(IAsyncResult asyncResult)
{
if (asyncResult == null)
{
throw new ArgumentNullException("asyncResult");
}
AsyncResult ar = asyncResult as AsyncResult;
if (ar == null)
{
throw new ArgumentException("Invalid asyncResult.", "asyncResult");
}
WriteDelegate del = ar.AsyncDelegate as WriteDelegate;
if (del == null)
{
throw new ArgumentException("Invalid asyncResult.", "asyncResult");
}
#if SSHARP
del.EndInvokeEx(asyncResult);
#else
del.EndInvoke(asyncResult);
#endif
}
public override Mapping[] EndGetAllMappings(IAsyncResult result)
{
if (result == null)
{
throw new ArgumentNullException("result");
}
GetAllMappingsAsyncResult mappingResult = result as GetAllMappingsAsyncResult;
if (mappingResult == null)
{
throw new ArgumentException("Invalid AsyncResult", "result");
}
if (!mappingResult.IsCompleted)
{
mappingResult.AsyncWaitHandle.WaitOne();
}
if (mappingResult.SavedMessage is ErrorMessage)
{
ErrorMessage msg = mappingResult.SavedMessage as ErrorMessage;
if (msg.ErrorCode != 713)
{
throw new MappingException(msg.ErrorCode, msg.Description);
}
}
return(mappingResult.Mappings.ToArray());
}
public override int EndRead(IAsyncResult ares)
{
if (disposed)
{
throw new ObjectDisposedException(typeof(RequestStream).ToString());
}
if (ares == null)
{
throw new ArgumentNullException("async_result");
}
if (ares is HttpStreamAsyncResult)
{
HttpStreamAsyncResult r = (HttpStreamAsyncResult)ares;
if (!ares.IsCompleted)
{
ares.AsyncWaitHandle.WaitOne();
}
return(r.SynchRead);
}
// Close on exception?
int nread = stream.EndRead(ares);
if (remaining_body > 0 && nread > 0)
{
remaining_body -= nread;
}
return(nread);
}
public static object EndInvokeEx(this Delegate dlg, IAsyncResult result)
{
var asyncResult = result as AsyncResult;
if (asyncResult == null)
{
throw new ArgumentException("invalid IAsyncResult", "result");
}
if (asyncResult.EndInvokeCalled)
{
throw new InvalidOperationException("EndInvoke can only be called once");
}
asyncResult.EndInvokeCalled = true;
if (!asyncResult.CompletedSynchronously)
{
asyncResult.AsyncWaitHandle.Wait();
}
if (asyncResult.Exception != null)
{
throw asyncResult.Exception;
}
return(asyncResult.Result);
}
private static void acceptCallback(IAsyncResult iar)
{
var tuple = (Tuple <Socket, SocketAsyncEventArgs>)iar.AsyncState;
tuple.Item2.curSocket = tuple.Item1;
tuple.Item2.AcceptSocket = tuple.Item1.EndAccept(iar);
OnAccept(tuple.Item1, tuple.Item2);
}
//===================// Event Handlers //===================//
//-------------------------------------//
// Method | BeginWriteCallback
// Description | ...
//-------------------------------------//
private static void BeginWriteCallback(Crestron.SimplSharp.CrestronIO.IAsyncResult _res)
{
if (_res.IsCompleted)
{
fStream.EndWrite(_res);
fStream.Close();
Scheduler.DebugMessage(String.Format("[DEBUG] Completed File Write Operation!"));
}
}
public override void EndWrite(IAsyncResult asyncResult)
{
if (_disposed)
{
throw new ObjectDisposedException(GetType().ToString());
}
_body.EndWrite(asyncResult);
}
public override int Read(
#if !NETCF
[In, Out]
#endif
byte[] buffer, int offset, int count)
{
IAsyncResult ares = BeginRead(buffer, offset, count, null, null);
return(EndRead(ares));
}