} // BufferCopy
internal static IAsyncResult BeginAsyncCopyStream(
Stream source, Stream target,
bool asyncRead, bool asyncWrite,
bool closeSource, bool closeTarget,
AsyncCallback callback, Object state)
{
AsyncCopyStreamResult streamState = new AsyncCopyStreamResult(callback, state);
byte[] buffer = CoreChannel.BufferPool.GetBuffer();
streamState.Source = source;
streamState.Target = target;
streamState.Buffer = buffer;
streamState.AsyncRead = asyncRead;
streamState.AsyncWrite = asyncWrite;
streamState.CloseSource = closeSource;
streamState.CloseTarget = closeTarget;
try
{
AsyncCopyReadHelper(streamState);
}
catch (Exception e)
{
streamState.SetComplete(null, e);
}
catch {
streamState.SetComplete(null, new Exception(CoreChannel.GetResourceString("Remoting_nonClsCompliantException")));
}
return(streamState);
} // BeginAsyncCopyStream
} // AsyncCopyWriteHelper
private static void AsyncCopyStreamReadCallback(IAsyncResult iar)
{
AsyncCopyStreamResult state = (AsyncCopyStreamResult)iar.AsyncState;
try
{
Stream source = state.Source;
int bytesRead = source.EndRead(iar);
if (bytesRead == 0)
{
state.SetComplete(null, null);
}
else
if (bytesRead < 0)
{
throw new RemotingException(
CoreChannel.GetResourceString("Remoting_Stream_UnknownReadError"));
}
else
{
AsyncCopyWriteHelper(state, bytesRead);
}
}
catch (Exception e)
{
state.SetComplete(null, e);
}
catch {
state.SetComplete(null, new Exception(CoreChannel.GetResourceString("Remoting_nonClsCompliantException")));
}
} // AsyncCopyStreamReadCallback
} // EndAsyncCopyStream
private static void AsyncCopyReadHelper(AsyncCopyStreamResult streamState)
{
// There is no try-catch here because the calling method always has a try-catch.
if (streamState.AsyncRead)
{
byte[] buffer = streamState.Buffer;
streamState.Source.BeginRead(buffer, 0, buffer.Length, _asyncCopyStreamReadCallback, streamState);
}
else
{
byte[] buffer = streamState.Buffer;
int bytesRead = streamState.Source.Read(buffer, 0, buffer.Length);
if (bytesRead == 0)
{
streamState.SetComplete(null, null);
}
else
if (bytesRead < 0)
{
throw new RemotingException(
CoreChannel.GetResourceString("Remoting_Stream_UnknownReadError"));
}
else
{
AsyncCopyWriteHelper(streamState, bytesRead);
}
}
} // AsyncCopyReadHelper
private static void AsyncCopyReadHelper(AsyncCopyStreamResult streamState)
{
if (streamState.AsyncRead)
{
byte[] buffer = streamState.Buffer;
streamState.Source.BeginRead(buffer, 0, buffer.Length, _asyncCopyStreamReadCallback, streamState);
}
else
{
byte[] buffer2 = streamState.Buffer;
int bytesRead = streamState.Source.Read(buffer2, 0, buffer2.Length);
if (bytesRead == 0)
{
streamState.SetComplete(null, null);
}
else
{
if (bytesRead < 0)
{
throw new RemotingException(CoreChannel.GetResourceString("Remoting_Stream_UnknownReadError"));
}
AsyncCopyWriteHelper(streamState, bytesRead);
}
}
}
private static void AsyncCopyStreamReadCallback(IAsyncResult iar)
{
AsyncCopyStreamResult asyncState = (AsyncCopyStreamResult)iar.AsyncState;
try
{
int bytesRead = asyncState.Source.EndRead(iar);
if (bytesRead == 0)
{
asyncState.SetComplete(null, null);
}
else
{
if (bytesRead < 0)
{
throw new RemotingException(CoreChannel.GetResourceString("Remoting_Stream_UnknownReadError"));
}
AsyncCopyWriteHelper(asyncState, bytesRead);
}
}
catch (Exception exception)
{
asyncState.SetComplete(null, exception);
}
}
private static void AsyncCopyReadHelper(AsyncCopyStreamResult streamState)
{
if (streamState.AsyncRead)
{
byte[] buffer = streamState.Buffer;
streamState.Source.BeginRead(buffer, 0, buffer.Length, _asyncCopyStreamReadCallback, streamState);
}
else
{
byte[] buffer2 = streamState.Buffer;
int bytesRead = streamState.Source.Read(buffer2, 0, buffer2.Length);
if (bytesRead == 0)
{
streamState.SetComplete(null, null);
}
else
{
if (bytesRead < 0)
{
throw new RemotingException(CoreChannel.GetResourceString("Remoting_Stream_UnknownReadError"));
}
AsyncCopyWriteHelper(streamState, bytesRead);
}
}
}
internal static void EndAsyncCopyStream(IAsyncResult iar)
{
AsyncCopyStreamResult result = (AsyncCopyStreamResult)iar;
if (!iar.IsCompleted)
{
iar.AsyncWaitHandle.WaitOne();
}
if (result.Exception != null)
{
throw result.Exception;
}
}
private static void AsyncCopyWriteHelper(AsyncCopyStreamResult streamState, int bytesRead)
{
if (streamState.AsyncWrite)
{
byte[] buffer = streamState.Buffer;
streamState.Target.BeginWrite(buffer, 0, bytesRead, _asyncCopyStreamWriteCallback, streamState);
}
else
{
byte[] buffer2 = streamState.Buffer;
streamState.Target.Write(buffer2, 0, bytesRead);
AsyncCopyReadHelper(streamState);
}
}
private static void AsyncCopyWriteHelper(AsyncCopyStreamResult streamState, int bytesRead)
{
if (streamState.AsyncWrite)
{
byte[] buffer = streamState.Buffer;
streamState.Target.BeginWrite(buffer, 0, bytesRead, _asyncCopyStreamWriteCallback, streamState);
}
else
{
byte[] buffer2 = streamState.Buffer;
streamState.Target.Write(buffer2, 0, bytesRead);
AsyncCopyReadHelper(streamState);
}
}
private static void AsyncCopyStreamWriteCallback(IAsyncResult iar)
{
AsyncCopyStreamResult asyncState = (AsyncCopyStreamResult)iar.AsyncState;
try
{
asyncState.Target.EndWrite(iar);
AsyncCopyReadHelper(asyncState);
}
catch (Exception exception)
{
asyncState.SetComplete(null, exception);
}
}
} // AsyncCopyReadHelper
private static void AsyncCopyWriteHelper(AsyncCopyStreamResult streamState, int bytesRead)
{
// There is no try-catch here because the calling method always has a try-catch.
if (streamState.AsyncWrite)
{
byte[] buffer = streamState.Buffer;
streamState.Target.BeginWrite(buffer, 0, bytesRead, _asyncCopyStreamWriteCallback, streamState);
}
else
{
byte[] buffer = streamState.Buffer;
streamState.Target.Write(buffer, 0, bytesRead);
AsyncCopyReadHelper(streamState);
}
} // AsyncCopyWriteHelper
} // AsyncCopyStreamReadCallback
private static void AsyncCopyStreamWriteCallback(IAsyncResult iar)
{
AsyncCopyStreamResult state = (AsyncCopyStreamResult)iar.AsyncState;
try
{
state.Target.EndWrite(iar);
AsyncCopyReadHelper(state);
}
catch (Exception e)
{
state.SetComplete(null, e);
}
catch {
state.SetComplete(null, new Exception(CoreChannel.GetResourceString("Remoting_nonClsCompliantException")));
}
} // AsyncCopyStreamWriteCallback
} // BufferCopy
internal static IAsyncResult BeginAsyncCopyStream(
Stream source, Stream target,
bool asyncRead, bool asyncWrite,
bool closeSource, bool closeTarget,
AsyncCallback callback, Object state)
{
AsyncCopyStreamResult streamState = new AsyncCopyStreamResult(callback, state);
byte[] buffer = CoreChannel.BufferPool.GetBuffer();
streamState.Source = source;
streamState.Target = target;
streamState.Buffer = buffer;
streamState.AsyncRead = asyncRead;
streamState.AsyncWrite = asyncWrite;
streamState.CloseSource = closeSource;
streamState.CloseTarget = closeTarget;
try
{
AsyncCopyReadHelper(streamState);
}
catch (Exception e)
{
streamState.SetComplete(null, e);
}
return streamState;
} // BeginAsyncCopyStream
} // AsyncCopyReadHelper
private static void AsyncCopyWriteHelper(AsyncCopyStreamResult streamState, int bytesRead)
{
// There is no try-catch here because the calling method always has a try-catch.
if (streamState.AsyncWrite)
{
byte[] buffer = streamState.Buffer;
streamState.Target.BeginWrite(buffer, 0, bytesRead, _asyncCopyStreamWriteCallback, streamState);
}
else
{
byte[] buffer = streamState.Buffer;
streamState.Target.Write(buffer, 0, bytesRead);
AsyncCopyReadHelper(streamState);
}
} // AsyncCopyWriteHelper
} // EndAsyncCopyStream
private static void AsyncCopyReadHelper(AsyncCopyStreamResult streamState)
{
// There is no try-catch here because the calling method always has a try-catch.
if (streamState.AsyncRead)
{
byte[] buffer = streamState.Buffer;
streamState.Source.BeginRead(buffer, 0, buffer.Length, _asyncCopyStreamReadCallback, streamState);
}
else
{
byte[] buffer = streamState.Buffer;
int bytesRead = streamState.Source.Read(buffer, 0, buffer.Length);
if (bytesRead == 0)
{
streamState.SetComplete(null, null);
}
else
if (bytesRead < 0)
{
throw new RemotingException(
CoreChannel.GetResourceString("Remoting_Stream_UnknownReadError"));
}
else
{
AsyncCopyWriteHelper(streamState, bytesRead);
}
}
} // AsyncCopyReadHelper
