/// <summary>
/// Ends the asynchronous write of a native message length started by BeginWrite method.
/// Then begins an asynchronous write of a native message content.
/// </summary>
/// <remarks>
/// Any exception thrown in the method is saved and then is re-thrown in EndWrite method.
/// </remarks>
/// <param name="ar">The AsyncResult object that represents a native message asynchronous write.</param>
/// <param name="messageAsyncResult">The IAsyncResult object that represents an asynchronous write of a native message length.</param>
private void WriteLengthCallback(AsyncResult ar, IAsyncResult lengthAsyncResult)
{
try
{
//Debug.Assert(lengthAsyncResult.IsCompleted == true);
ar.lengthIsCompleted = lengthAsyncResult.IsCompleted;
ar.lengthCompletedSynchronously = lengthAsyncResult.CompletedSynchronously;
ostream.EndWrite(lengthAsyncResult);
ostream.BeginWrite(
ar.messageBuffer,
ar.messageOffset,
ar.messageBuffer.Length - ar.messageOffset,
delegate(IAsyncResult _ar) { ((AsyncResult)_ar.AsyncState).port.WriteMessageCallback((AsyncResult)_ar.AsyncState, _ar); },
ar);
}
catch (Exception ex)
{
ar.lengthException = ex;
ar.wait.Set();
if (ar.callback != null)
{
ar.callback(ar);
}
}
}
/// <summary>
/// Ends the asynchronous read of a native message length started by BeginRead method.
/// Then begins an asynchronous read of a native message content.
/// </summary>
/// <remarks>
/// Any exception thrown in the method is saved and then is re-thrown in EndRead method.
/// </remarks>
/// <param name="ar">The AsyncResult object that represents a native message asynchronous read.</param>
/// <param name="lengthAsyncResult">The IAsyncResult object that represents an asynchronous read of native message length.</param>
private void ReadLengthCallback(AsyncResult ar, IAsyncResult lengthAsyncResult)
{
try
{
//Debug.Assert(lengthAsyncResult.IsCompleted == true);
ar.lengthIsCompleted = lengthAsyncResult.IsCompleted;
ar.lengthCompletedSynchronously = lengthAsyncResult.CompletedSynchronously;
int bytesRead = istream.EndRead(lengthAsyncResult);
Debug.Assert((0 <= bytesRead) && (bytesRead <= ar.lengthBuffer.Length));
if (bytesRead == 0)
{
if (ar.lengthOffset == 0)
{
throw new EndOfInputStreamException("End of input stream.");
}
else
{
throw new ProtocolErrorException("Unexpected end of input stream.");
}
}
if (bytesRead < ar.lengthBuffer.Length)
{
ar.lengthOffset += bytesRead;
istream.BeginRead(
ar.lengthBuffer,
ar.lengthOffset,
ar.lengthBuffer.Length - ar.lengthOffset,
delegate(IAsyncResult _ar) { ((AsyncResult)_ar.AsyncState).port.ReadLengthCallback((AsyncResult)_ar.AsyncState, _ar); },
ar);
return;
}
int messageLength = System.BitConverter.ToInt32(ar.lengthBuffer, 0);
if (messageLength <= 0)
{
throw new ProtocolErrorException(string.Format("Read zero or negative input message length : {0}", messageLength));
}
ar.messageBuffer = new byte[messageLength];
ar.messageOffset = 0;
istream.BeginRead(
ar.messageBuffer,
ar.messageOffset,
ar.messageBuffer.Length - ar.messageOffset,
delegate(IAsyncResult _ar) { ((AsyncResult)_ar.AsyncState).port.ReadMessageCallback((AsyncResult)_ar.AsyncState, _ar); },
ar);
}
catch (Exception ex)
{
ar.lengthException = ex;
ar.wait.Set();
if (ar.callback != null)
{
ar.callback(ar);
}
}
}
/// <summary>
/// Ends the asynchronous read of a native message content started by ReadLengthCallback method.
/// Then calls the callback specified for the operation.
/// </summary>
/// <remarks>
/// Any exception thrown in the method is saved and then is re-thrown in EndRead method.
/// </remarks>
/// <param name="ar">The AsyncResult object that represents a native message asynchronous read.</param>
/// <param name="messageAsyncResult">The IAsyncResult object that represents an asynchronous read of a native message content.</param>
private void ReadMessageCallback(AsyncResult ar, IAsyncResult messageAsyncResult)
{
try
{
//Debug.Assert(messageAsyncResult.IsCompleted == true);
ar.messageIsCompleted = messageAsyncResult.IsCompleted;
ar.messageCompletedSynchronously = messageAsyncResult.CompletedSynchronously;
int bytesRead = istream.EndRead(messageAsyncResult);
Debug.Assert((0 <= bytesRead) && (bytesRead <= ar.messageBuffer.Length));
if (bytesRead == 0)
{
throw new ProtocolErrorException("Unexpected end of input stream.");
}
if (bytesRead < ar.messageBuffer.Length)
{
ar.messageOffset += bytesRead;
istream.BeginRead(
ar.messageBuffer,
ar.messageOffset,
ar.messageBuffer.Length - ar.messageOffset,
delegate(IAsyncResult _ar) { ((AsyncResult)_ar.AsyncState).port.ReadMessageCallback((AsyncResult)_ar.AsyncState, _ar); },
ar);
return;
}
ar.wait.Set();
if (ar.callback != null)
{
ar.callback(ar);
}
}
catch (Exception ex)
{
ar.lengthException = ex;
ar.wait.Set();
if (ar.callback != null)
{
ar.callback(ar);
}
}
}
/// <summary>
/// Ends the asynchronous write of a native message content started by WriteLengthCallback method.
/// Then calls the callback specified for the operation.
/// </summary>
/// <remarks>
/// Any exception thrown in the method is saved and then is re-thrown in EndRead method.
/// </remarks>
/// <param name="ar">The AsyncResult object that represents a native message asynchronous read.</param>
/// <param name="messageAsyncResult">The IAsyncResult object that represents an asynchronous read of a native message content.</param>
private void WriteMessageCallback(AsyncResult ar, IAsyncResult messageAsyncResult)
{
try
{
//Debug.Assert(messageAsyncResult.IsCompleted == true);
ar.messageIsCompleted = messageAsyncResult.IsCompleted;
ar.messageCompletedSynchronously = messageAsyncResult.CompletedSynchronously;
ostream.EndWrite(messageAsyncResult);
ar.wait.Set();
if (ar.callback != null)
{
ar.callback(ar);
}
}
catch (Exception ex)
{
ar.messageException = ex;
ar.wait.Set();
if (ar.callback != null)
{
ar.callback(ar);
}
}
}
/// <summary>
/// Ends the asynchronous write of a native message content started by WriteLengthCallback method.
/// Then calls the callback specified for the operation.
/// </summary>
/// <remarks>
/// Any exception thrown in the method is saved and then is re-thrown in EndRead method.
/// </remarks>
/// <param name="ar">The AsyncResult object that represents a native message asynchronous read.</param>
/// <param name="messageAsyncResult">The IAsyncResult object that represents an asynchronous read of a native message content.</param>
private void WriteMessageCallback(AsyncResult ar, IAsyncResult messageAsyncResult)
{
try
{
//Debug.Assert(messageAsyncResult.IsCompleted == true);
ar.messageIsCompleted = messageAsyncResult.IsCompleted;
ar.messageCompletedSynchronously = messageAsyncResult.CompletedSynchronously;
ostream.EndWrite(messageAsyncResult);
ar.wait.Set();
if (ar.callback != null) ar.callback(ar);
}
catch (Exception ex)
{
ar.messageException = ex;
ar.wait.Set();
if (ar.callback != null) ar.callback(ar);
}
}
/// <summary>
/// Ends the asynchronous write of a native message length started by BeginWrite method.
/// Then begins an asynchronous write of a native message content.
/// </summary>
/// <remarks>
/// Any exception thrown in the method is saved and then is re-thrown in EndWrite method.
/// </remarks>
/// <param name="ar">The AsyncResult object that represents a native message asynchronous write.</param>
/// <param name="messageAsyncResult">The IAsyncResult object that represents an asynchronous write of a native message length.</param>
private void WriteLengthCallback(AsyncResult ar, IAsyncResult lengthAsyncResult)
{
try
{
//Debug.Assert(lengthAsyncResult.IsCompleted == true);
ar.lengthIsCompleted = lengthAsyncResult.IsCompleted;
ar.lengthCompletedSynchronously = lengthAsyncResult.CompletedSynchronously;
ostream.EndWrite(lengthAsyncResult);
ostream.BeginWrite(
ar.messageBuffer,
ar.messageOffset,
ar.messageBuffer.Length - ar.messageOffset,
delegate(IAsyncResult _ar) { ((AsyncResult)_ar.AsyncState).port.WriteMessageCallback((AsyncResult)_ar.AsyncState, _ar); },
ar);
}
catch (Exception ex)
{
ar.lengthException = ex;
ar.wait.Set();
if (ar.callback != null) ar.callback(ar);
}
}
/// <summary>
/// Ends the asynchronous read of a native message content started by ReadLengthCallback method.
/// Then calls the callback specified for the operation.
/// </summary>
/// <remarks>
/// Any exception thrown in the method is saved and then is re-thrown in EndRead method.
/// </remarks>
/// <param name="ar">The AsyncResult object that represents a native message asynchronous read.</param>
/// <param name="messageAsyncResult">The IAsyncResult object that represents an asynchronous read of a native message content.</param>
private void ReadMessageCallback(AsyncResult ar, IAsyncResult messageAsyncResult)
{
try
{
//Debug.Assert(messageAsyncResult.IsCompleted == true);
ar.messageIsCompleted = messageAsyncResult.IsCompleted;
ar.messageCompletedSynchronously = messageAsyncResult.CompletedSynchronously;
int bytesRead = istream.EndRead(messageAsyncResult);
Debug.Assert((0 <= bytesRead) && (bytesRead <= ar.messageBuffer.Length));
if (bytesRead == 0) throw new ProtocolErrorException("Unexpected end of input stream.");
if (bytesRead < ar.messageBuffer.Length)
{
ar.messageOffset += bytesRead;
istream.BeginRead(
ar.messageBuffer,
ar.messageOffset,
ar.messageBuffer.Length - ar.messageOffset,
delegate(IAsyncResult _ar) { ((AsyncResult)_ar.AsyncState).port.ReadMessageCallback((AsyncResult)_ar.AsyncState, _ar); },
ar);
return;
}
ar.wait.Set();
if (ar.callback != null) ar.callback(ar);
}
catch (Exception ex)
{
ar.lengthException = ex;
ar.wait.Set();
if (ar.callback != null) ar.callback(ar);
}
}
/// <summary>
/// Ends the asynchronous read of a native message length started by BeginRead method.
/// Then begins an asynchronous read of a native message content.
/// </summary>
/// <remarks>
/// Any exception thrown in the method is saved and then is re-thrown in EndRead method.
/// </remarks>
/// <param name="ar">The AsyncResult object that represents a native message asynchronous read.</param>
/// <param name="lengthAsyncResult">The IAsyncResult object that represents an asynchronous read of native message length.</param>
private void ReadLengthCallback(AsyncResult ar, IAsyncResult lengthAsyncResult)
{
try
{
//Debug.Assert(lengthAsyncResult.IsCompleted == true);
ar.lengthIsCompleted = lengthAsyncResult.IsCompleted;
ar.lengthCompletedSynchronously = lengthAsyncResult.CompletedSynchronously;
int bytesRead = istream.EndRead(lengthAsyncResult);
Debug.Assert((0 <= bytesRead) && (bytesRead <= ar.lengthBuffer.Length));
if (bytesRead == 0)
{
if (ar.lengthOffset == 0) throw new EndOfInputStreamException("End of input stream.");
else throw new ProtocolErrorException("Unexpected end of input stream.");
}
if (bytesRead < ar.lengthBuffer.Length)
{
ar.lengthOffset += bytesRead;
istream.BeginRead(
ar.lengthBuffer,
ar.lengthOffset,
ar.lengthBuffer.Length - ar.lengthOffset,
delegate(IAsyncResult _ar) { ((AsyncResult)_ar.AsyncState).port.ReadLengthCallback((AsyncResult)_ar.AsyncState, _ar); },
ar);
return;
}
int messageLength = System.BitConverter.ToInt32(ar.lengthBuffer, 0);
if (messageLength <= 0) throw new ProtocolErrorException(string.Format("Read zero or negative input message length : {0}", messageLength));
ar.messageBuffer = new byte[messageLength];
ar.messageOffset = 0;
istream.BeginRead(
ar.messageBuffer,
ar.messageOffset,
ar.messageBuffer.Length - ar.messageOffset,
delegate(IAsyncResult _ar) { ((AsyncResult)_ar.AsyncState).port.ReadMessageCallback((AsyncResult)_ar.AsyncState, _ar); },
ar);
}
catch (Exception ex)
{
ar.lengthException = ex;
ar.wait.Set();
if (ar.callback != null) ar.callback(ar);
}
}
