/// <summary>
/// QueueMessage prepares a Message object containing our data to send and queues this Message object in the OutboundMessageQueue.
/// </summary>
/// <remarks></remarks>
public void SendToClient(object obj, Socket argClient)
{
// serialize the Packet into a stream of bytes which is suitable for sending with the Socket
System.Runtime.Serialization.Formatters.Binary.BinaryFormatter mSerializer = new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter();
using (System.IO.MemoryStream mSerializerStream = new System.IO.MemoryStream())
{
mSerializer.Serialize(mSerializerStream, obj);
// get the serialized Packet bytes
byte[] mPacketBytes = mSerializerStream.GetBuffer();
// convert the size into a byte array
byte[] mSizeBytes = BitConverter.GetBytes(mPacketBytes.Length + 4);
// create the async state object which we can pass between async methods
SocketGlobals.AsyncSendState mState = new SocketGlobals.AsyncSendState(argClient);
// resize the BytesToSend array to fit both the mSizeBytes and the mPacketBytes
// TODO: ReDim mState.BytesToSend(mPacketBytes.Length + mSizeBytes.Length - 1)
Array.Resize(ref mState.BytesToSend, mPacketBytes.Length + mSizeBytes.Length);
// copy the mSizeBytes and mPacketBytes to the BytesToSend array
Buffer.BlockCopy(mSizeBytes, 0, mState.BytesToSend, 0, mSizeBytes.Length);
Buffer.BlockCopy(mPacketBytes, 0, mState.BytesToSend, mSizeBytes.Length, mPacketBytes.Length);
Array.Clear(mSizeBytes, 0, mSizeBytes.Length);
Array.Clear(mPacketBytes, 0, mPacketBytes.Length);
Console.Write("");
// queue the Message
Console.WriteLine("Server (SendToClient): NextOffset: {0}; NextLength: {1}", mState.NextOffset(), mState.NextLength());
argClient.BeginSend(mState.BytesToSend, mState.NextOffset(), mState.NextLength(), SocketFlags.None, new AsyncCallback(MessagePartSent), mState);
}
}
public void MessagePartSent(IAsyncResult ar)
{
// get the async state object which was returned by the async beginsend method
SocketGlobals.AsyncSendState mState = (SocketGlobals.AsyncSendState)ar.AsyncState;
try
{
int numBytesSent = 0;
// call the EndSend method which will succeed or throw an error depending on if we are still connected
numBytesSent = mState.Socket.EndSend(ar);
// increment the total amount of bytes processed so far
mState.Progress += numBytesSent;
// determine if we havent' sent all the data for this Packet yet
if (mState.NextLength() > 0)
{
// we need to send more data
mState.Socket.BeginSend(mState.BytesToSend, mState.NextOffset(), mState.NextLength(), SocketFlags.None, new AsyncCallback(MessagePartSent), mState);
}
else
{
Console.WriteLine("Server MessagePartSent completed. Clearing stuff...");
Array.Clear(mState.BytesToSend, 0, mState.BytesToSend.Length);
//mState.Socket.Dispose(); // x?x? n
mState = null;
}
// at this point, the EndSend succeeded and we are ready to send something else!
}
catch (Exception ex)
{
myLogger.Log("DataSent error: " + ex.Message);
}
}