//____________________________________________________________________________
// This method is called when we need to create a new SAEA object to do
//accept operations. The reason to put it in a separate method is so that
//we can easily add more objects to the pool if we need to.
//You can do that if you do NOT use a buffer in the SAEA object that does
//the accept operations.
public SocketAsyncEventArgs CreateNewSaeaForAccept(SocketAsyncEventArgsPool pool)
{
//Allocate the SocketAsyncEventArgs object.
SocketAsyncEventArgs acceptEventArg = new SocketAsyncEventArgs();
//SocketAsyncEventArgs.Completed is an event, (the only event,)
//declared in the SocketAsyncEventArgs class.
//See http://msdn.microsoft.com/en-us/library/system.net.sockets.socketasynceventargs.completed.aspx.
//An event handler should be attached to the event within
//a SocketAsyncEventArgs instance when an asynchronous socket
//operation is initiated, otherwise the application will not be able
//to determine when the operation completes.
//Attach the event handler, which causes the calling of the
//AcceptEventArg_Completed object when the accept op completes.
acceptEventArg.Completed += new EventHandler<SocketAsyncEventArgs>(AcceptEventArg_Completed);
AcceptOpUserToken theAcceptOpToken = new AcceptOpUserToken(pool.AssignTokenId() + 10000);
acceptEventArg.UserToken = theAcceptOpToken;
return acceptEventArg;
// accept operations do NOT need a buffer.
//You can see that is true by looking at the
//methods in the .NET Socket class on the Microsoft website. AcceptAsync does
//not take require a parameter for buffer size.
}
//____________________________________________________________________________
//Display thread info.
//Overloaded.
//Use this one in method where AcceptOpUserToken is available.
//
private void DealWithThreadsForTesting(string methodName, AcceptOpUserToken theAcceptOpToken)
{
StringBuilder sb = new StringBuilder();
string hString = hString = ". Socket handle " + theAcceptOpToken.socketHandleNumber;
sb.Append(" In " + methodName + ", acceptToken id " + theAcceptOpToken.TokenId + ". Thread id " + Thread.CurrentThread.ManagedThreadId + hString + ".");
sb.Append(DealWithNewThreads());
Program.testWriter.WriteLine(sb.ToString());
}