Esempio n. 1
0
        public StreamSocket(TransportInstance instance, Socket fd)
        {
            _instance = instance;
            _fd       = fd;
            _state    = StateConnected;

            try
            {
                _desc = Network.FdToString(_fd);
            }
            catch (Exception)
            {
                Network.CloseSocketNoThrow(_fd);
                throw;
            }

            Network.SetBlock(_fd, false);
            Network.SetTcpBufSize(_fd, _instance);

            _readEventArgs            = new SocketAsyncEventArgs();
            _readEventArgs.Completed += new EventHandler <SocketAsyncEventArgs>(IoCompleted);

            _writeEventArgs            = new SocketAsyncEventArgs();
            _writeEventArgs.Completed += new EventHandler <SocketAsyncEventArgs>(IoCompleted);

            //
            // For timeouts to work properly, we need to receive/send
            // the data in several chunks. Otherwise, we would only be
            // notified when all the data is received/written. The
            // connection timeout could easily be triggered when
            // receiving/sending large messages.
            //
            _maxSendPacketSize = Math.Max(512, Network.GetSendBufferSize(_fd));
            _maxRecvPacketSize = Math.Max(512, Network.GetRecvBufferSize(_fd));
        }
Esempio n. 2
0
        public StreamSocket(TransportInstance instance, INetworkProxy?proxy, EndPoint addr, IPAddress?sourceAddr)
        {
            _instance   = instance;
            _proxy      = proxy;
            _addr       = addr;
            _sourceAddr = sourceAddr;
            _fd         = Network.CreateSocket(false, (_proxy != null ? _proxy.GetAddress() : _addr).AddressFamily);
            _state      = StateNeedConnect;

            Network.SetBlock(_fd, false);
            Network.SetTcpBufSize(_fd, _instance);

            _readEventArgs            = new SocketAsyncEventArgs();
            _readEventArgs.Completed += new EventHandler <SocketAsyncEventArgs>(IoCompleted);

            _writeEventArgs            = new SocketAsyncEventArgs();
            _writeEventArgs.Completed += new EventHandler <SocketAsyncEventArgs>(IoCompleted);

            //
            // For timeouts to work properly, we need to receive/send
            // the data in several chunks. Otherwise, we would only be
            // notified when all the data is received/written. The
            // connection timeout could easily be triggered when
            // receiving/sending large messages.
            //
            _maxSendPacketSize = Math.Max(512, Network.GetSendBufferSize(_fd));
            _maxRecvPacketSize = Math.Max(512, Network.GetRecvBufferSize(_fd));
        }
Esempio n. 3
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        internal TcpAcceptor(TcpEndpoint endpoint, TransportInstance instance, string host, int port)
        {
            _endpoint = endpoint;
            _instance = instance;
            _backlog  = instance.Communicator.GetPropertyAsInt("Ice.TCP.Backlog") ?? 511;

            try
            {
                int ipVersion = _instance.IPVersion;
                _addr = (IPEndPoint)Network.GetAddressForServer(host, port, ipVersion, _instance.PreferIPv6);
                _fd   = Network.CreateServerSocket(false, _addr.AddressFamily, ipVersion);
                Network.SetBlock(_fd, false);
                Network.SetTcpBufSize(_fd, _instance);
            }
            catch (Exception)
            {
                _fd = null;
                throw;
            }
        }
Esempio n. 4
0
 public void SetBufferSize(int rcvSize, int sndSize)
 {
     Debug.Assert(_fd != null);
     Network.SetTcpBufSize(_fd, rcvSize, sndSize, _instance);
 }