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)); }
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)); }
public Ice.ConnectionInfo GetInfo() { var info = new Ice.TCPConnectionInfo(); Socket?fd = _stream.Fd(); if (fd != null) { EndPoint localEndpoint = Network.GetLocalAddress(fd); info.LocalAddress = Network.EndpointAddressToString(localEndpoint); info.LocalPort = Network.EndpointPort(localEndpoint); EndPoint?remoteEndpoint = Network.GetRemoteAddress(fd); info.RemoteAddress = Network.EndpointAddressToString(remoteEndpoint); info.RemotePort = Network.EndpointPort(remoteEndpoint); info.RcvSize = Network.GetRecvBufferSize(fd); info.SndSize = Network.GetSendBufferSize(fd); } return(info); }
public Ice.ConnectionInfo GetInfo() { var info = new Ice.UDPConnectionInfo(); if (_fd != null) { EndPoint localEndpoint = Network.GetLocalAddress(_fd); info.LocalAddress = Network.EndpointAddressToString(localEndpoint); info.LocalPort = Network.EndpointPort(localEndpoint); if (_state == StateNotConnected) { if (_peerAddr != null) { info.RemoteAddress = Network.EndpointAddressToString(_peerAddr); info.RemotePort = Network.EndpointPort(_peerAddr); } } else { EndPoint?remoteEndpoint = Network.GetRemoteAddress(_fd); if (remoteEndpoint != null) { info.RemoteAddress = Network.EndpointAddressToString(remoteEndpoint); info.RemotePort = Network.EndpointPort(remoteEndpoint); } } info.RcvSize = Network.GetRecvBufferSize(_fd); info.SndSize = Network.GetSendBufferSize(_fd); } if (_mcastAddr != null) { info.McastAddress = Network.EndpointAddressToString(_mcastAddr); info.McastPort = Network.EndpointPort(_mcastAddr); } return(info); }
private void SetBufSize(int rcvSize, int sndSize) { Debug.Assert(_fd != null); for (int i = 0; i < 2; ++i) { bool isSnd; string direction; string prop; int dfltSize; int sizeRequested; if (i == 0) { isSnd = false; direction = "receive"; prop = "Ice.UDP.RcvSize"; dfltSize = Network.GetRecvBufferSize(_fd); sizeRequested = rcvSize; _rcvSize = dfltSize; } else { isSnd = true; direction = "send"; prop = "Ice.UDP.SndSize"; dfltSize = Network.GetSendBufferSize(_fd); sizeRequested = sndSize; _sndSize = dfltSize; } // // Get property for buffer size if size not passed in. // if (sizeRequested == -1) { sizeRequested = _instance.Communicator.GetPropertyAsInt(prop) ?? dfltSize; } // // Check for sanity. // if (sizeRequested < (UdpOverhead + IceInternal.Protocol.headerSize)) { _instance.Logger.Warning($"Invalid {prop} value of {sizeRequested} adjusted to {dfltSize}"); sizeRequested = dfltSize; } if (sizeRequested != dfltSize) { // // Try to set the buffer size. The kernel will silently adjust // the size to an acceptable value. Then read the size back to // get the size that was actually set. // int sizeSet; if (i == 0) { Network.SetRecvBufferSize(_fd, sizeRequested); _rcvSize = Network.GetRecvBufferSize(_fd); sizeSet = _rcvSize; } else { Network.SetSendBufferSize(_fd, sizeRequested); _sndSize = Network.GetSendBufferSize(_fd); sizeSet = _sndSize; } // // Warn if the size that was set is less than the requested size // and we have not already warned // if (sizeSet < sizeRequested) { Ice.BufSizeWarnInfo winfo = _instance.GetBufSizeWarn(Ice.UDPEndpointType.Value); if ((isSnd && (!winfo.SndWarn || winfo.SndSize != sizeRequested)) || (!isSnd && (!winfo.RcvWarn || winfo.RcvSize != sizeRequested))) { _instance.Logger.Warning( $"UDP {direction} buffer size: requested size of {sizeRequested} adjusted to {sizeSet}"); if (isSnd) { _instance.SetSndBufSizeWarn(Ice.UDPEndpointType.Value, sizeRequested); } else { _instance.SetRcvBufSizeWarn(Ice.UDPEndpointType.Value, sizeRequested); } } } } } }