public static void SendData(IAsyncResult result)
{
Console.WriteLine("Data Sending Thread : "
+ Thread.CurrentThread.GetHashCode());
AsyncStateInfo stateInfo = result.AsyncState as AsyncStateInfo;
//Completes asynchronous send
stateInfo.socket.EndSend(result);
}
//Method invoked to accept an incoming connection attempt
public static void AcceptConnection(IAsyncResult result)
{
Console.WriteLine("Connection Request Thread : " + Thread.CurrentThread.GetHashCode());
AsyncStateInfo stateInfo = result.AsyncState as AsyncStateInfo;
//Accepts client connection
Socket mdcSocket = stateInfo.socket.EndAccept(result);
//Starts listening to client connection
stateInfo.socket.BeginAccept(new AsyncCallback(AcceptConnection),
new AsyncStateInfo(stateInfo.socket));
AsyncStateInfo mdcStateInfo = new AsyncStateInfo(mdcSocket);
string mktPrice = "MSFT;25,IBM;24";
byte[] dataBuf = Encoding.ASCII.GetBytes(mktPrice);
//copy data buffer
Buffer.BlockCopy(dataBuf, 0, mdcStateInfo.dataBuffer, 0, dataBuf.Length);
//Sends data asynchronously
mdcSocket.BeginSend(mdcStateInfo.dataBuffer, 0, 512, SocketFlags.None,
new AsyncCallback(SendData), mdcStateInfo);
}