private void OnConnected(object sender, SocketAsyncEventArgs args)
{
// Queue the first read and write
CmdQueue.Push(CommandFactory.MakeCommand(DoNextRead, _blob));
CmdQueue.Push(CommandFactory.MakeCommand(DoPing));
Start();
// We've sent the first request so schedule timer to start one interval later
_timer = new Timer(TimerPingCallback, null, _refreshRate, _refreshRate);
}
private void OnReceive(object sender, SocketAsyncEventArgs args)
{
if (args.BytesTransferred > 0)
{
// We received data so push it back onto the queue for processing
CmdQueue.Push(CommandFactory.MakeCommand(DoProcessData, args.Buffer, args.BytesTransferred));
}
// Queue up next read with new blob (assume that processing of data happens
// prior to queueing the next read so we can recycle the blob).
CmdQueue.Push(CommandFactory.MakeCommand(DoNextRead, _blob));
}
private void OnReceiveData(IAsyncResult res)
{
int data = _incoming.EndReceive(res);
byte[] blob = res.AsyncState as byte[];
if (data > 0)
{
// We received data so push it back onto the queue for processing
CmdQueue.Push(CommandFactory.MakeCommand(DoProcessData, blob, data));
}
// Queue up next read with new blob (assume that processing of data happens
// prior to queueing the next read so we can recycle the blob).
CmdQueue.Push(CommandFactory.MakeCommand(DoNextRead, blob));
}
public AsyncConnectionDriver(Runtime.Runtime runtime, MemoryStream memStream)
: base(false)
{
try
{
_memStream = memStream;
_runtime = runtime;
_runtime.Driver = this;
IPHostEntry e = Dns.GetHostEntry(HOST);
_incoming = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
_log.InfoFormat("Resolved {0} to {1}.", HOST, e.AddressList[0].ToString());
_log.Info("Connecting...");
#if COMPACT
EndPoint ep = new IPEndPoint(e.AddressList[0], PORT);
_incoming.Connect(ep);
_incoming.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveTimeout, 10000);
#else
_incoming.Connect(e.AddressList, PORT);
_incoming.ReceiveTimeout = 10000; // 10 seconds because we may not always be receiving data
#endif
// Queue the first read and write
CmdQueue.Push(CommandFactory.MakeCommand(DoNextRead, new byte[BLOB_SIZE]));
CmdQueue.Push(CommandFactory.MakeCommand(DoPing));
Start();
// We've sent the first request so schedule timer to start one interval later
_timer = new Timer(TimerPingCallback, null, _refreshRate, _refreshRate);
_log.Info("Connected.");
}
catch (SocketException e)
{
throw new ConnectionException(e);
}
}
private void TimerPingCallback(object state)
{
// It's time to do another ping
CmdQueue.Push(CommandFactory.MakeCommand(DoPing));
}