/// <summary>
/// Connection on which an IoFlowAgent listens.
/// </summary>
/// <param name="callbacks"></param>
public Connection(IConnectionCallback callbacks)
{
this.callbacks = callbacks;
receiveContext = new CallbackContext(sock);
this.locPort = AgentPort;
sendBuffer = new byte[SOCK_SEND_BUFFER_SIZE];
locEndPoint = new IPEndPoint(IPAddress.Any, locPort);
receiveBuffer = new byte[SOCK_RCV_BUFFER_SIZE];
messageHeader = new MessageHeader();
sockListen = new Socket(locEndPoint.Address.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
ListSock.Add(sockListen);
sockListen.Bind(locEndPoint);
const int LISTEN_BACKLOG = 256;
sockListen.Listen(LISTEN_BACKLOG);
sockListen.BeginAccept(new AsyncCallback(acceptComplete), new CallbackContext(sockListen));
}
/// <summary>
/// Connection through which rate controller conects to network agent socket app.
/// </summary>
/// <param name="callbacks"></param>
/// <param name="hostName"></param>
/// <param name="locPort"></param>
/// <param name="remPort"></param>
public Connection(IConnectionCallback callbacks, string hostName, int locPort, int remPort)
{
this.callbacks = callbacks;
ListQueues = new List<OktoQueue>();
ListRap = new List<RAP>();
DictIoFlows = new Dictionary<uint, Flow>();
sock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
receiveContext = new CallbackContext(sock);
this.hostName = hostName;
this.locPort = locPort;
this.remPort = remPort;
sendBuffer = new byte[SOCK_SEND_BUFFER_SIZE];
locEndPoint = new IPEndPoint(IPAddress.Any, locPort);
receiveBuffer = new byte[SOCK_RCV_BUFFER_SIZE];
messageHeader = new MessageHeader();
// Avoid winsock buffering and Nagle delays on small TCP sends.
// Ref http://msdn.microsoft.com/en-us/library/ms817942.aspx
#if gregos // ToDo: one or both sockopts sometimes stalling master->agent connection
sock.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.SendBuffer, 0);
sock.SetSocketOption(SocketOptionLevel.Tcp, SocketOptionName.NoDelay, true);
sock.SetSocketOption(SocketOptionLevel.Tcp, SocketOptionName.Linger, false);
#endif
sock.Connect(hostName, remPort);
}
