internal FragmentInformation(RUDPSocket rudpSocket, bool isReliable, byte[] payload, int offset, int size, RUDPSendIAsyncResult asyncResult)
{
rudp = rudpSocket;
IsReliable = isReliable;
Offset = offset;
Size = size;
Payload = payload;
AsyncResult = asyncResult;
}
internal void OnEndSend(RUDPSocketError error, RUDPSendIAsyncResult asyncResult)
{
if (asyncResult == null)
{
return;
}
asyncResult.SetAsCompleted(error, false);
}
internal FragmentInformation(RUDPSocket rudpSocket, bool isReliable, byte[] payload, int offset, int size, RUDPSendIAsyncResult asyncResult)
{
rudp = rudpSocket;
IsReliable = isReliable;
Offset = offset;
Size = size;
Payload = payload;
AsyncResult = asyncResult;
}
public int EndSend(IAsyncResult asyncResult)
{
RUDPSendIAsyncResult result = asyncResult as RUDPSendIAsyncResult;
result.EndInvoke(false);
if (result.SocketError != RUDPSocketError.Success)
{
return(-1);
}
return(result._size);
}
public IAsyncResult BeginSend(byte[] buffer,
int offset,
int size,
out RUDPSocketError errorCode,
AsyncCallback callback,
Object state,
bool reliable)
{
RUDPSendIAsyncResult asyncResult = new RUDPSendIAsyncResult(this, callback, state, size);
errorCode = RUDPStack.SendPayload(this, buffer, offset, size, reliable, asyncResult);
if (errorCode != RUDPSocketError.Success)
{
return(null);
}
return(asyncResult);
}
internal static RUDPSocketError SendPayload(RUDPSocket rudp, byte[] payload, int offset, int payloadLength, bool reliable, RUDPSendIAsyncResult asyncResult)
{
// We are no longer active
if (!_isStackRunning)
return RUDPSocketError.SystemNotReady;
//---- Only when connected
if (rudp._status != RUDPSocketStatus.Connected)
return RUDPSocketError.NotConnected;
//---- Fragmentation
asyncResult.ForceAsyncCall = true;
FragmentInformation fragments = NewFragmentInformation(rudp, reliable, payload, offset, payloadLength, asyncResult);
//----- Async send
rudp._fragmentsLock.EnterWriteLock();
rudp._fragments.AddFirst(fragments);
rudp._fragmentsLock.ExitWriteLock();
ForceFragmentsSending(rudp._controlThreadId);
//---- If possible send Sync... otherwise relate to control thread
/*
if (!SendFragments(fragments))
{
rudp._fragmentsLock.EnterWriteLock();
rudp._fragments.AddFirst(fragments);
rudp._fragmentsLock.ExitWriteLock();
_protocolControlEvent.Set();
}
*/
//---- Synchrone send
/*
while (!SendFragments(fragments))
fragments.rudp._controlWindow.WaitObject.WaitOne();
*/
return fragments.Error;
}
internal static FragmentInformation NewFragmentInformation(RUDPSocket rudpSocket, bool isReliable, byte[] payload, int offset, int size, RUDPSendIAsyncResult asyncResult)
{
//return new FragmentInformation(rudpSocket, isReliable, payload, offset, size, asyncResult);
FragmentInformation fragment;
if (!_fragmentsPools.TryDequeue(out fragment))
{
for (int index = 0; index < 100; index++)
_fragmentsPools.Enqueue(new FragmentInformation(null, false, null, -1, -1, null));
return new FragmentInformation(rudpSocket, isReliable, payload, offset, size, asyncResult);
}
fragment.rudp = rudpSocket;
fragment.IsReliable = isReliable;
fragment.Offset = offset;
fragment.Size = size;
fragment.Payload = payload;
fragment.AsyncResult = asyncResult;
return fragment;
}
/// <summary>
/// Called when we have an error on a socket.
/// </summary>
static internal void OnSocketUnhandledError(RUDPSocket rudp, RUDPSocketError error, RUDPSendIAsyncResult sendAsyncResult)
{
//---- Disconnect the socket
OnDisconnected(rudp, DisconnectionReason.SocketError);
//---- Handle the error and forward it to the socket
if (rudp._status == RUDPSocketStatus.Connecting)
rudp.OnEndConnect(error);
else
{
// On Send Error
if (sendAsyncResult != null)
rudp.OnEndSend(error, sendAsyncResult);
// ELSE ... HOW TO GET sendAsyncResult when NULL ?????
// On Receive Error
RUDPReceiveIAsyncResult receiveAsyncResult = null;
Interlocked.Exchange<RUDPReceiveIAsyncResult>(ref receiveAsyncResult, rudp._asyncResultReceive);
if (receiveAsyncResult != null)
{
Interlocked.Exchange<RUDPReceiveIAsyncResult>(ref rudp._asyncResultReceive, null);
rudp.OnEndReceive(error, null, true, receiveAsyncResult);
}
}
}
internal void OnEndSend(RUDPSocket rudp, RUDPSendIAsyncResult asyncResult)
{
rudp.OnEndSend(RUDPSocketError.Success, asyncResult);
}
public IAsyncResult BeginSend(byte[] buffer,
int offset,
int size,
out RUDPSocketError errorCode,
AsyncCallback callback,
Object state,
bool reliable)
{
RUDPSendIAsyncResult asyncResult = new RUDPSendIAsyncResult(this, callback, state, size);
errorCode = RUDPStack.SendPayload(this, buffer, offset, size, reliable, asyncResult);
if (errorCode != RUDPSocketError.Success)
return null;
return asyncResult;
}
internal void OnEndSend(RUDPSocketError error, RUDPSendIAsyncResult asyncResult)
{
if (asyncResult == null)
return;
asyncResult.SetAsCompleted(error, false);
}
internal void OnEndSend(RUDPSocket rudp, RUDPSendIAsyncResult asyncResult)
{
rudp.OnEndSend(RUDPSocketError.Success, asyncResult);
}