/// <summary>
/// Instantiates.
/// </summary>
/// <param name="service">the service this session belongs to</param>
/// <param name="processor">the processor to process this session</param>
/// <param name="socket">the associated socket</param>
/// <param name="readBuffer">the <see cref="SocketAsyncEventArgsBuffer"/> as reading buffer</param>
/// <param name="writeBuffer">the <see cref="SocketAsyncEventArgsBuffer"/> as writing buffer</param>
/// <param name="reuseBuffer">whether or not reuse internal buffer, see <seealso cref="SocketSession.ReuseBuffer"/> for more</param>
public AsyncSocketSession(IoService service, IoProcessor<SocketSession> processor, System.Net.Sockets.Socket socket,
SocketAsyncEventArgsBuffer readBuffer, SocketAsyncEventArgsBuffer writeBuffer, Boolean reuseBuffer)
: base(service, processor, new SessionConfigImpl(socket), socket, socket.LocalEndPoint, socket.RemoteEndPoint, reuseBuffer)
{
_readBuffer = readBuffer;
_readBuffer.SocketAsyncEventArgs.UserToken = this;
_writeBuffer = writeBuffer;
_writeBuffer.SocketAsyncEventArgs.UserToken = this;
_completeHandler = saea_Completed;
}
/// <summary>
/// Instantiates.
/// </summary>
/// <param name="service">the service this session belongs to</param>
/// <param name="processor">the processor to process this session</param>
/// <param name="socket">the associated socket</param>
/// <param name="readBuffer">the <see cref="SocketAsyncEventArgsBuffer"/> as reading buffer</param>
/// <param name="writeBuffer">the <see cref="SocketAsyncEventArgsBuffer"/> as writing buffer</param>
/// <param name="reuseBuffer">whether or not reuse internal buffer, see <seealso cref="SocketSession.ReuseBuffer"/> for more</param>
public AsyncSocketSession(IoService service, IoProcessor <SocketSession> processor, System.Net.Sockets.Socket socket,
SocketAsyncEventArgsBuffer readBuffer, SocketAsyncEventArgsBuffer writeBuffer, Boolean reuseBuffer)
: base(service, processor, new SessionConfigImpl(socket), socket, socket.LocalEndPoint, socket.RemoteEndPoint, reuseBuffer)
{
_readBuffer = readBuffer;
_readBuffer.SocketAsyncEventArgs.UserToken = this;
_writeBuffer = writeBuffer;
_writeBuffer.SocketAsyncEventArgs.UserToken = this;
_completeHandler = saea_Completed;
}
/// <inheritdoc/>
protected override void BeginSend(IWriteRequest request, IoBuffer buf)
{
SocketAsyncEventArgs saea;
SocketAsyncEventArgsBuffer saeaBuf = buf as SocketAsyncEventArgsBuffer;
if (saeaBuf == null)
{
_writeBuffer.Clear();
if (_writeBuffer.Remaining < buf.Remaining)
{
Int32 oldLimit = buf.Limit;
buf.Limit = buf.Position + _writeBuffer.Remaining;
_writeBuffer.Put(buf);
buf.Limit = oldLimit;
}
else
{
_writeBuffer.Put(buf);
}
_writeBuffer.Flip();
_writeBuffer.SetBuffer();
saea = _writeBuffer.SocketAsyncEventArgs;
}
else
{
saea = saeaBuf.SocketAsyncEventArgs;
saea.Completed += _completeHandler;
}
Boolean willRaiseEvent;
try
{
willRaiseEvent = Socket.SendAsync(saea);
}
catch (ObjectDisposedException)
{
// do nothing
return;
}
catch (SocketException ex)
{
EndSend(ex);
return;
}
catch (Exception ex)
{
EndSend(ex);
return;
}
if (!willRaiseEvent)
{
ProcessSend(saea);
}
}
public SocketContext(System.Net.Sockets.Socket socket, IoSessionConfig config)
{
_socket = socket;
_completeHandler = OnCompleted;
Byte[] writeBuffer = new Byte[config.ReadBufferSize];
_writeBuffer = SocketAsyncEventArgsBufferAllocator.Instance.Wrap(writeBuffer);
_writeBuffer.SocketAsyncEventArgs.Completed += new EventHandler<SocketAsyncEventArgs>(OnCompleted);
_writeBuffer.SocketAsyncEventArgs.UserToken = this;
}
public SocketContext(System.Net.Sockets.Socket socket, IoSessionConfig config)
{
_socket = socket;
_completeHandler = OnCompleted;
Byte[] writeBuffer = new Byte[config.ReadBufferSize];
_writeBuffer = SocketAsyncEventArgsBufferAllocator.Instance.Wrap(writeBuffer);
_writeBuffer.SocketAsyncEventArgs.Completed += new EventHandler <SocketAsyncEventArgs>(OnCompleted);
_writeBuffer.SocketAsyncEventArgs.UserToken = this;
}
private void BeginSend(AsyncDatagramSession session, IoBuffer buf, EndPoint remoteEP)
{
_writeBuffer.Clear();
SocketAsyncEventArgs saea;
SocketAsyncEventArgsBuffer saeaBuf = buf as SocketAsyncEventArgsBuffer;
if (saeaBuf == null)
{
if (_writeBuffer.Remaining < buf.Remaining)
{
// TODO allocate a temp buffer
}
else
{
_writeBuffer.Put(buf);
}
_writeBuffer.Flip();
saea = _writeBuffer.SocketAsyncEventArgs;
saea.SetBuffer(saea.Offset + _writeBuffer.Position, _writeBuffer.Limit);
}
else
{
saea = saeaBuf.SocketAsyncEventArgs;
saea.Completed += _completeHandler;
}
saea.UserToken = session;
saea.RemoteEndPoint = remoteEP;
Boolean willRaiseEvent;
try
{
willRaiseEvent = Socket.SendToAsync(saea);
}
catch (ObjectDisposedException)
{
// do nothing
return;
}
catch (Exception ex)
{
EndSend(session, ex);
return;
}
if (!willRaiseEvent)
{
ProcessSend(saea);
}
}
/// <inheritdoc/>
protected override IoSession NewSession(IoProcessor <SocketSession> processor, System.Net.Sockets.Socket socket)
{
SocketAsyncEventArgsBuffer readBuffer = _readWritePool.Pop();
SocketAsyncEventArgsBuffer writeBuffer = _readWritePool.Pop();
if (readBuffer == null)
{
readBuffer = (SocketAsyncEventArgsBuffer)
SocketAsyncEventArgsBufferAllocator.Instance.Allocate(SessionConfig.ReadBufferSize);
readBuffer.SocketAsyncEventArgs.Completed += readWriteEventArg_Completed;
}
if (writeBuffer == null)
{
writeBuffer = (SocketAsyncEventArgsBuffer)
SocketAsyncEventArgsBufferAllocator.Instance.Allocate(SessionConfig.ReadBufferSize);
writeBuffer.SocketAsyncEventArgs.Completed += readWriteEventArg_Completed;
}
return(new AsyncSocketSession(this, processor, socket, readBuffer, writeBuffer, ReuseBuffer));
}
private void InitBuffer()
{
Int32 bufferSize = SessionConfig.ReadBufferSize;
if (_bufferManager == null || _bufferManager.BufferSize != bufferSize)
{
// TODO free previous pool
_bufferManager = new BufferManager(bufferSize * MaxConnections * opsToPreAlloc, bufferSize);
_bufferManager.InitBuffer();
var list = new List <SocketAsyncEventArgsBuffer>(MaxConnections * opsToPreAlloc);
for (Int32 i = 0; i < MaxConnections * opsToPreAlloc; i++)
{
SocketAsyncEventArgs readWriteEventArg = new SocketAsyncEventArgs();
_bufferManager.SetBuffer(readWriteEventArg);
SocketAsyncEventArgsBuffer buf = new SocketAsyncEventArgsBuffer(readWriteEventArg);
list.Add(buf);
readWriteEventArg.Completed += new EventHandler <SocketAsyncEventArgs>(readWriteEventArg_Completed);
}
}
}
private void InitBuffer()
{
Int32 bufferSize = SessionConfig.ReadBufferSize;
if (_bufferManager == null || _bufferManager.BufferSize != bufferSize)
{
// TODO free previous pool
_bufferManager = new BufferManager(bufferSize * MaxConnections * opsToPreAlloc, bufferSize);
_bufferManager.InitBuffer();
var list = new List<SocketAsyncEventArgsBuffer>(MaxConnections * opsToPreAlloc);
for (Int32 i = 0; i < MaxConnections * opsToPreAlloc; i++)
{
SocketAsyncEventArgs readWriteEventArg = new SocketAsyncEventArgs();
_bufferManager.SetBuffer(readWriteEventArg);
SocketAsyncEventArgsBuffer buf = new SocketAsyncEventArgsBuffer(readWriteEventArg);
list.Add(buf);
readWriteEventArg.Completed += new EventHandler<SocketAsyncEventArgs>(readWriteEventArg_Completed);
}
_readWritePool = new Pool<SocketAsyncEventArgsBuffer>(list);
}
}
