AsyncOperationStatus ProcessHandshake(AsyncProtocolRequest asyncRequest, AsyncOperationStatus status)
{
Debug("ProcessHandshake: {0}", status);
/*
* The first time we're called (AsyncOperationStatus.Initialize), we need to setup the SslContext and
* start the handshake.
*/
if (status == AsyncOperationStatus.Initialize)
{
xobileTlsContext.StartHandshake();
return(AsyncOperationStatus.Continue);
}
else if (status == AsyncOperationStatus.ReadDone)
{
// remote prematurely closed connection.
throw new IOException("Remote prematurely closed connection.");
}
else if (status != AsyncOperationStatus.Continue)
{
throw new InvalidOperationException();
}
/*
* SSLHandshake() will return repeatedly with 'SslStatus.WouldBlock', we then need
* to take care of I/O and call it again.
*/
if (!xobileTlsContext.ProcessHandshake())
{
/*
* Flush the internal write buffer.
*/
InnerFlush();
return(AsyncOperationStatus.Continue);
}
xobileTlsContext.FinishHandshake();
return(AsyncOperationStatus.Complete);
}
