protected Queue <NetQItem> m_SendQueue = new Queue <NetQItem>(); // packet send queue
/// <summary>
/// Sends arbitrary bytes of data across the wire. Note that if the remote endpoint can't decipher the data
/// as a known packet, the connection will be dropped by that endpoint immediately.
/// </summary>
/// <param name="data">bytes to send</param>
public virtual int Send(byte[] data, PacketFlags flags)
{
SocketDebug(32);
//Log.LogMsg("@__@ Monitor Enter");
if (!OwningConnection.IsAlive)
{
Log.LogMsg("DuplexBlockingTransit - cant send data because owning connection isn't alive. MyTcpSocket == Null -> " + (OwningConnection.MyTCPSocket == null));
Log.LogMsg("Can't send on socket " + OwningConnection.MyTCPSocket.Handle.ToString() + " with socket error reading " + m_LastTCPReceiveStatus.ToString());
OwningConnection.KillConnection("Couldn't send. Connection has been closed.");
return(-1);
}
SocketDebug(33);
// Log.LogMsg("==>Sending " + data.Length.ToString() + " bytes.");
try
{
bool isUDP = (flags & PacketFlags.UDP) != 0;
if (isUDP)
{
SocketDebug(34);
if (!OwningConnection.CanSendUDP)
{
Log.LogMsg("!!! Tried sending UDP packet when the connection wasn't yet ready to send UDP. Dropping packet.");
return(0);
}
SocketDebug(35);
// Don't allow fragmenting UDP packets
if (data.Length > 1024)
{
Log.LogMsg("Message exceeded UDP size of 1024 bytes. Sending via TCP instead.");
flags &= ~PacketFlags.UDP;
}
}
SocketDebug(36);
NetQItem qi = new NetQItem();
qi.Flags = flags;
qi.Data = data;
qi.IsUDP = isUDP;
m_SendQueue.Enqueue(qi);
Log.LogMsg("Send queue now has " + m_SendQueue.Count.ToString() + " items in it.");
SocketDebug(37);
return(1);
}
catch (Exception sendExc)
{
Log.LogMsg("DuplexBlockingTransit - Failed to send data. " + sendExc.Message);
return(-1);;
}
return(1);
}
protected Queue <NetQItem> m_SendQueue = new Queue <NetQItem>(); // packet send queue
/// <summary>
/// Sends arbitrary bytes of data across the wire. Note that if the remote endpoint can't decipher the data
/// as a known packet, the connection will be dropped by that endpoint immediately.
/// </summary>
/// <param name="data">bytes to send</param>
public virtual int Send(byte[] data, PacketFlags flags)
{
//Log.LogMsg("@__@ Monitor Enter");
if (!OwningConnection.IsAlive)
{
return(-1);
}
//Log.LogMsg("==>Sending " + data.Length.ToString() + " bytes.");
try
{
bool isUDP = (flags & PacketFlags.UDP) != 0;
if (isUDP)
{
if (!OwningConnection.CanSendUDP)
{
Log.LogMsg("!!! Tried sending UDP packet when the connection wasn't yet ready to send UDP. Dropping packet.");
return(0);
}
// Don't allow fragmenting UDP packets
if (data.Length > 1024)
{
Log.LogMsg("Message exceeded UDP size of 1024 bytes. Sending via TCP instead.");
flags &= ~PacketFlags.UDP;
}
}
lock (m_SendQueue)
{
NetQItem qi = new NetQItem();
qi.Flags = flags;
qi.Data = data;
qi.IsUDP = isUDP;
m_SendQueue.Enqueue(qi);
Monitor.Pulse(m_SendQueue);
return(1);
}
}
catch (Exception sendExc)
{
return(-1);;
}
return(1);
}
/// <summary>
/// Sends arbitrary bytes of data across the wire. Note that if the remote endpoint can't decipher the data
/// as a known packet, the connection will be dropped by that endpoint immediately.
/// </summary>
/// <param name="data">bytes to send</param>
public virtual int Send(byte[] data, PacketFlags flags)
{
//Log.LogMsg("@__@ Monitor Enter");
if (!OwningConnection.IsAlive)
{
return -1;
}
//Log.LogMsg("==>Sending " + data.Length.ToString() + " bytes.");
try
{
bool isUDP = (flags & PacketFlags.UDP) != 0;
if (isUDP)
{
if (!OwningConnection.CanSendUDP)
{
Log.LogMsg("!!! Tried sending UDP packet when the connection wasn't yet ready to send UDP. Dropping packet.");
return 0;
}
// Don't allow fragmenting UDP packets
if (data.Length > 1024)
{
Log.LogMsg("Message exceeded UDP size of 1024 bytes. Sending via TCP instead.");
flags &= ~PacketFlags.UDP;
}
}
lock (m_SendQueue)
{
NetQItem qi = new NetQItem();
qi.Flags = flags;
qi.Data = data;
qi.IsUDP = isUDP;
m_SendQueue.Enqueue(qi);
Monitor.Pulse(m_SendQueue);
return 1;
}
}
catch (Exception sendExc)
{
return -1; ;
}
return 1;
}
/// <summary>
/// Gets called when a send operation resolves.
/// </summary>
private void OnSendResolved(SocketAsyncEventArgs args, SockState state)
{
//// Log.LogMsg("Testy 13");
try
{
OwningConnection.SentBytes(state.PacketBufferPointer.Position);
bool isUDP = (state.Flags & PacketFlags.UDP) != 0;
//Log.LogMsg("==>#### Async SEND Op Completed - #" + ((SockState)args.UserToken).ID.ToString() + "#");
if (args.SocketError == SocketError.Success)
{
//// Log.LogMsg("Testy 14");
state.PacketBufferPointer.Advance(args.BytesTransferred);
if (state.PacketBufferPointer.Position >= state.PacketBuffer.Length)
{
OwningConnection.PacketSent();
// Done sending packet.
state.Reset();
//Log.LogMsg("==>Done sending packet. Sent " + state.PacketBufferPointer.Position.ToString() + " bytes.");
// done sending packet, see if we have anything in the queue ready to go
bool more = false;
Queue <NetQItem> sendQ = isUDP ? m_SendQueueUDP : m_SendQueue;
lock (sendQ)
{
if (sendQ.Count > 0)
{
NetQItem itm = sendQ.Dequeue();
state.PacketBuffer = itm.Data;
state.Flags = itm.Flags;
more = true;
}
else
{
// release the sending lock
if (isUDP)
{
//Log.LogMsg("UDP send queue emptied.");
Interlocked.Exchange(ref m_SendingUDP, 0);
}
else
{
//Log.LogMsg("TCP send queue emptied.");
Interlocked.Exchange(ref m_Sending, 0);
}
}
}
if (more)
{
//// Log.LogMsg("Testy 15");
SendBuffer(args, state, isUDP);
}
return;
}
else
{
//// Log.LogMsg("Testy 16");
// not done sending. send again.
//Log.LogMsg("==>Continuing send. " + state.PacketBufferPointer.Position.ToString() + " / " + state.PacketBuffer.Length.ToString() + " sent so far.");
SendBuffer(args, state, isUDP);
}
}
else
{
//If we are in this else-statement, there was a socket error.
OwningConnection.KillConnection("Error sending packet. " + args.SocketError.ToString());
}
}
catch (Exception ex)
{
//// Log.LogMsg("Testy 17");
Log.LogMsg("Failed to ProcessSend. " + ex.Message);
OwningConnection.KillConnection("Send error. " + ex.Message);
}
}
/// <summary>
/// Sends arbitrary bytes of data across the wire. Note that if the remote endpoint can't decipher the data
/// as a known packet, the connection will be dropped by that endpoint immediately.
/// </summary>
/// <param name="data">bytes to send</param>
public virtual int Send(byte[] data, PacketFlags flags)
{
//Log.LogMsg("@__@ Monitor Enter");
if (!OwningConnection.IsAlive)
{
//// Log.LogMsg("Testy 3");
return(-1);
}
//Log.LogMsg("==>Sending " + data.Length.ToString() + " bytes.");
try
{
bool isUDP = (flags & PacketFlags.UDP) != 0;
#if SILVERLIGHT
// Silverlight can't do UDP and it can only send Async, i.e. Non-Blocking
isUDP = false;
OwningConnection.BlockingMode = false;
#endif
if (isUDP)
{
//// Log.LogMsg("Testy 4");
if (!OwningConnection.CanSendUDP)
{
Log.LogMsg("!!! Tried sending UDP packet when the connection wasn't yet ready to send UDP. Dropping packet.");
return(0);
}
// Don't allow fragmenting UDP packets
if (data.Length > m_SendArgsUDP.Buffer.Length && data.Length > 1024)
{
Log.LogMsg("Message exceeded UDP size. Sending via TCP instead.");
flags &= ~PacketFlags.UDP;
}
}
if (!OwningConnection.BlockingMode)
{
// send via asyncsend, but only one send op can be in progress at one time
// out of order packets can happen because the actual send is done with I/O completion ports and if multiple
// packets get submitted to the I/O queue they could be processed out of order, especially if the packet are of wildly differing sizes
if (isUDP)
{
//// Log.LogMsg("Testy 5");
lock (m_SendQueueUDP)
{
if (1 == Interlocked.Exchange(ref m_SendingUDP, 1))
{
// failed to get the lock - a message is in progress. queue message.
NetQItem qi = new NetQItem();
qi.Flags = flags;
qi.Data = data;
m_SendQueueUDP.Enqueue(qi);
Log.LogMsg("Queueing UDP packet. Now " + m_SendQueueUDP.Count.ToString() + " in Queue.");
return(1);
}
//Log.LogMsg("Acquired UDP send lock.");
}
}
else
{
lock (m_SendQueue)
{
if (1 == Interlocked.Exchange(ref m_Sending, 1))
{
// failed to get the lock - a message is in progress. queue message.
NetQItem qi = new NetQItem();
qi.Flags = flags;
qi.Data = data;
m_SendQueue.Enqueue(qi);
Log.LogMsg("Queueing TCP packet. Now " + m_SendQueue.Count.ToString() + " in Queue.");
return(1);
}
//Log.LogMsg("Acquired TCP send lock.");
}
}
}
SocketAsyncEventArgs args = isUDP ? m_SendArgsUDP : m_SendArgs;
SockState state = args.UserToken as SockState;
state.Flags = flags;
state.PacketBuffer = data;
//// Log.LogMsg("Testy 6");
SendBuffer(args, state, isUDP);
}
catch (Exception sendExc)
{
OwningConnection.KillConnection(sendExc.Message);
return(-1);;
}
return(1);
}
/// <summary>
/// Sends arbitrary bytes of data across the wire. Note that if the remote endpoint can't decipher the data
/// as a known packet, the connection will be dropped by that endpoint immediately.
/// </summary>
/// <param name="data">bytes to send</param>
public virtual int Send(byte[] data, PacketFlags flags)
{
//Log.LogMsg("@__@ Monitor Enter");
if (!OwningConnection.IsAlive)
{
//// Log.LogMsg("Testy 3");
return -1;
}
//Log.LogMsg("==>Sending " + data.Length.ToString() + " bytes.");
try
{
bool isUDP = (flags & PacketFlags.UDP) != 0;
#if SILVERLIGHT
// Silverlight can't do UDP and it can only send Async, i.e. Non-Blocking
isUDP = false;
OwningConnection.BlockingMode = false;
#endif
if (isUDP)
{
//// Log.LogMsg("Testy 4");
if (!OwningConnection.CanSendUDP)
{
Log.LogMsg("!!! Tried sending UDP packet when the connection wasn't yet ready to send UDP. Dropping packet.");
return 0;
}
// Don't allow fragmenting UDP packets
if (data.Length > m_SendArgsUDP.Buffer.Length && data.Length > 1024)
{
Log.LogMsg("Message exceeded UDP size. Sending via TCP instead.");
flags &= ~PacketFlags.UDP;
}
}
if (!OwningConnection.BlockingMode)
{
// send via asyncsend, but only one send op can be in progress at one time
// out of order packets can happen because the actual send is done with I/O completion ports and if multiple
// packets get submitted to the I/O queue they could be processed out of order, especially if the packet are of wildly differing sizes
if (isUDP)
{
//// Log.LogMsg("Testy 5");
lock (m_SendQueueUDP)
{
if (1 == Interlocked.Exchange(ref m_SendingUDP, 1))
{
// failed to get the lock - a message is in progress. queue message.
NetQItem qi = new NetQItem();
qi.Flags = flags;
qi.Data = data;
m_SendQueueUDP.Enqueue(qi);
Log.LogMsg("Queueing UDP packet. Now " + m_SendQueueUDP.Count.ToString() + " in Queue.");
return 1;
}
//Log.LogMsg("Acquired UDP send lock.");
}
}
else
{
lock (m_SendQueue)
{
if (1 == Interlocked.Exchange(ref m_Sending, 1))
{
// failed to get the lock - a message is in progress. queue message.
NetQItem qi = new NetQItem();
qi.Flags = flags;
qi.Data = data;
m_SendQueue.Enqueue(qi);
Log.LogMsg("Queueing TCP packet. Now " + m_SendQueue.Count.ToString() + " in Queue.");
return 1;
}
//Log.LogMsg("Acquired TCP send lock.");
}
}
}
SocketAsyncEventArgs args = isUDP ? m_SendArgsUDP : m_SendArgs;
SockState state = args.UserToken as SockState;
state.Flags = flags;
state.PacketBuffer = data;
//// Log.LogMsg("Testy 6");
SendBuffer(args, state, isUDP);
}
catch (Exception sendExc)
{
OwningConnection.KillConnection(sendExc.Message);
return -1; ;
}
return 1;
}
/// <summary>
/// Sends arbitrary bytes of data across the wire. Note that if the remote endpoint can't decipher the data
/// as a known packet, the connection will be dropped by that endpoint immediately.
/// </summary>
/// <param name="data">bytes to send</param>
public virtual int Send(byte[] data, PacketFlags flags)
{
//Log.LogMsg("@__@ Monitor Enter");
if (!IsAlive)
{
KillConnection("Couldn't send. Connection has been closed.");
return -1;
}
try
{
bool isUDP = (flags & PacketFlags.UDP) != 0;
if (isUDP)
{
if (!CanSendUDP)
{
Log.LogMsg("!!! Tried sending UDP packet when the connection wasn't yet ready to send UDP. Dropping packet.");
return 0;
}
// Don't allow fragmenting UDP packets
if (data.Length > 1024)
{
Log.LogMsg("Message exceeded UDP size of 1024 bytes. Sending via TCP instead.");
flags &= ~PacketFlags.UDP;
}
}
NetQItem qi = new NetQItem();
qi.Flags = flags;
qi.Data = data;
qi.IsUDP = isUDP;
m_SendQueue.Enqueue(qi);
return 1;
}
catch (Exception sendExc)
{
Log.LogMsg("DuplexBlockingTransit - Failed to send data. " + sendExc.Message);
return -1; ;
}
return 1;
}
/// <summary>
/// Sends arbitrary bytes of data across the wire. Note that if the remote endpoint can't decipher the data
/// as a known packet, the connection will be dropped by that endpoint immediately.
/// </summary>
/// <param name="data">bytes to send</param>
public virtual int Send(byte[] data, PacketFlags flags)
{
SocketDebug(32);
//Log.LogMsg("@__@ Monitor Enter");
if (!OwningConnection.IsAlive)
{
Log.LogMsg("DuplexBlockingTransit - cant send data because owning connection isn't alive. MyTcpSocket == Null -> " + (OwningConnection.MyTCPSocket == null));
Log.LogMsg("Can't send on socket " + OwningConnection.MyTCPSocket.Handle.ToString() + " with socket error reading " + m_LastTCPReceiveStatus.ToString());
OwningConnection.KillConnection("Couldn't send. Connection has been closed.");
return -1;
}
SocketDebug(33);
// Log.LogMsg("==>Sending " + data.Length.ToString() + " bytes.");
try
{
bool isUDP = (flags & PacketFlags.UDP) != 0;
if (isUDP)
{
SocketDebug(34);
if (!OwningConnection.CanSendUDP)
{
Log.LogMsg("!!! Tried sending UDP packet when the connection wasn't yet ready to send UDP. Dropping packet.");
return 0;
}
SocketDebug(35);
// Don't allow fragmenting UDP packets
if (data.Length > 1024)
{
Log.LogMsg("Message exceeded UDP size of 1024 bytes. Sending via TCP instead.");
flags &= ~PacketFlags.UDP;
}
}
SocketDebug(36);
NetQItem qi = new NetQItem();
qi.Flags = flags;
qi.Data = data;
qi.IsUDP = isUDP;
m_SendQueue.Enqueue(qi);
Log.LogMsg("Send queue now has " + m_SendQueue.Count.ToString() + " items in it.");
SocketDebug(37);
return 1;
}
catch (Exception sendExc)
{
Log.LogMsg("DuplexBlockingTransit - Failed to send data. " + sendExc.Message);
return -1; ;
}
return 1;
}