public StreamSocket(Communicator communicator, INetworkProxy?proxy, EndPoint addr, IPAddress?sourceAddr)
{
_communicator = communicator;
_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, _communicator);
_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 frames.
//
_maxSendPacketSize = Math.Max(512, Network.GetSendBufferSize(_fd));
_maxRecvPacketSize = Math.Max(512, Network.GetRecvBufferSize(_fd));
}
//
// Only for use by UdpConnector.
//
internal UdpTransceiver(Communicator communicator, string transport, EndPoint addr, IPAddress?sourceAddr,
string mcastInterface, int mcastTtl)
{
_communicator = communicator;
Transport = transport;
_addr = addr;
if (sourceAddr != null)
{
_sourceAddr = new IPEndPoint(sourceAddr, 0);
}
_readEventArgs = new SocketAsyncEventArgs();
_readEventArgs.RemoteEndPoint = _addr;
_readEventArgs.Completed += new EventHandler <SocketAsyncEventArgs>(IoCompleted);
_writeEventArgs = new SocketAsyncEventArgs();
_writeEventArgs.RemoteEndPoint = _addr;
_writeEventArgs.Completed += new EventHandler <SocketAsyncEventArgs>(IoCompleted);
_mcastInterface = mcastInterface;
_state = StateNeedConnect;
_incoming = false;
try
{
_fd = Network.CreateSocket(true, _addr.AddressFamily);
SetBufSize(-1, -1);
Network.SetBlock(_fd, false);
if (Network.IsMulticast((IPEndPoint)_addr))
{
if (_mcastInterface.Length > 0)
{
Network.SetMcastInterface(_fd, _mcastInterface, _addr.AddressFamily);
}
if (mcastTtl != -1)
{
Network.SetMcastTtl(_fd, mcastTtl, _addr.AddressFamily);
}
}
}
catch (System.Exception)
{
_fd = null;
throw;
}
}
internal TcpTransceiver(Communicator communicator, EndPoint addr, INetworkProxy?proxy, IPAddress?sourceAddr)
{
_communicator = communicator;
_proxy = proxy;
_addr = addr;
_desc = "";
_sourceAddr = sourceAddr;
Socket = Network.CreateSocket(false, (_proxy != null ? _proxy.Address : _addr).AddressFamily);
try
{
Network.SetBufSize(Socket, _communicator, Transport.TCP);
}
catch (Exception)
{
Socket.CloseNoThrow();
throw;
}
}
// Only for use by UdpConnector.
internal UdpSocket(
Communicator communicator,
IConnector connector,
EndPoint addr,
IPAddress?sourceAddr,
string?multicastInterface,
int multicastTtl)
{
_communicator = communicator;
_connector = connector;
_addr = (IPEndPoint)addr;
_multicastInterface = multicastInterface;
_incoming = false;
if (sourceAddr != null)
{
_sourceAddr = new IPEndPoint(sourceAddr, 0);
}
Socket = Network.CreateSocket(true, _addr.AddressFamily, _connector);
try
{
Network.SetBufSize(Socket, _communicator, Transport.UDP);
_rcvSize = (int)Socket.GetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveBuffer) !;
_sndSize = (int)Socket.GetSocketOption(SocketOptionLevel.Socket, SocketOptionName.SendBuffer) !;
if (Network.IsMulticast(_addr))
{
if (_multicastInterface != null)
{
Debug.Assert(_multicastInterface.Length > 0);
Network.SetMulticastInterface(Socket, _multicastInterface, _addr.AddressFamily);
}
if (multicastTtl != -1)
{
Network.SetMulticastTtl(Socket, multicastTtl, _addr.AddressFamily);
}
}
}
catch (SocketException ex)
{
Socket.CloseNoThrow();
throw new TransportException(ex, RetryPolicy.NoRetry, _connector);
}
}
