2016-11-04 08:31:05 +00:00
|
|
|
|
using System;
|
2017-05-25 13:00:14 +00:00
|
|
|
|
using System.IO;
|
2016-11-04 08:31:05 +00:00
|
|
|
|
using System.Net;
|
|
|
|
|
using System.Net.Sockets;
|
2017-08-16 06:43:41 +00:00
|
|
|
|
using Emby.Server.Implementations.Networking;
|
2016-11-08 18:44:23 +00:00
|
|
|
|
using MediaBrowser.Model.Logging;
|
2016-11-04 08:31:05 +00:00
|
|
|
|
using MediaBrowser.Model.Net;
|
|
|
|
|
|
2017-08-16 06:43:41 +00:00
|
|
|
|
namespace Emby.Server.Implementations.Net
|
2016-11-04 08:31:05 +00:00
|
|
|
|
{
|
|
|
|
|
public class SocketFactory : ISocketFactory
|
|
|
|
|
{
|
|
|
|
|
// THIS IS A LINKED FILE - SHARED AMONGST MULTIPLE PLATFORMS
|
|
|
|
|
// Be careful to check any changes compile and work for all platform projects it is shared in.
|
|
|
|
|
|
|
|
|
|
// Not entirely happy with this. Would have liked to have done something more generic/reusable,
|
|
|
|
|
// but that wasn't really the point so kept to YAGNI principal for now, even if the
|
|
|
|
|
// interfaces are a bit ugly, specific and make assumptions.
|
|
|
|
|
|
2016-11-13 21:04:21 +00:00
|
|
|
|
private readonly ILogger _logger;
|
2016-11-08 18:44:23 +00:00
|
|
|
|
|
|
|
|
|
public SocketFactory(ILogger logger)
|
|
|
|
|
{
|
2016-11-13 21:04:21 +00:00
|
|
|
|
if (logger == null)
|
|
|
|
|
{
|
|
|
|
|
throw new ArgumentNullException("logger");
|
|
|
|
|
}
|
|
|
|
|
|
2016-11-08 18:44:23 +00:00
|
|
|
|
_logger = logger;
|
|
|
|
|
}
|
|
|
|
|
|
2017-03-03 05:53:21 +00:00
|
|
|
|
public IAcceptSocket CreateSocket(IpAddressFamily family, MediaBrowser.Model.Net.SocketType socketType, MediaBrowser.Model.Net.ProtocolType protocolType, bool dualMode)
|
2016-11-04 08:31:05 +00:00
|
|
|
|
{
|
2016-12-05 18:46:38 +00:00
|
|
|
|
try
|
|
|
|
|
{
|
|
|
|
|
var addressFamily = family == IpAddressFamily.InterNetwork
|
|
|
|
|
? AddressFamily.InterNetwork
|
|
|
|
|
: AddressFamily.InterNetworkV6;
|
2016-11-08 18:44:23 +00:00
|
|
|
|
|
2016-12-05 18:46:38 +00:00
|
|
|
|
var socket = new Socket(addressFamily, System.Net.Sockets.SocketType.Stream, System.Net.Sockets.ProtocolType.Tcp);
|
2016-11-08 18:44:23 +00:00
|
|
|
|
|
2016-12-05 18:46:38 +00:00
|
|
|
|
if (dualMode)
|
|
|
|
|
{
|
|
|
|
|
socket.DualMode = true;
|
|
|
|
|
}
|
|
|
|
|
|
2017-03-02 20:50:09 +00:00
|
|
|
|
return new NetAcceptSocket(socket, _logger, dualMode);
|
2016-11-08 18:44:23 +00:00
|
|
|
|
}
|
2016-12-05 18:46:38 +00:00
|
|
|
|
catch (SocketException ex)
|
|
|
|
|
{
|
2016-12-07 20:02:34 +00:00
|
|
|
|
throw new SocketCreateException(ex.SocketErrorCode.ToString(), ex);
|
2016-12-05 18:46:38 +00:00
|
|
|
|
}
|
2017-03-17 20:23:34 +00:00
|
|
|
|
catch (ArgumentException ex)
|
|
|
|
|
{
|
|
|
|
|
if (dualMode)
|
|
|
|
|
{
|
|
|
|
|
// Mono for BSD incorrectly throws ArgumentException instead of SocketException
|
|
|
|
|
throw new SocketCreateException("AddressFamilyNotSupported", ex);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
throw;
|
|
|
|
|
}
|
|
|
|
|
}
|
2016-11-04 08:31:05 +00:00
|
|
|
|
}
|
|
|
|
|
|
2017-03-02 20:50:09 +00:00
|
|
|
|
public ISocket CreateTcpSocket(IpAddressInfo remoteAddress, int remotePort)
|
|
|
|
|
{
|
|
|
|
|
if (remotePort < 0) throw new ArgumentException("remotePort cannot be less than zero.", "remotePort");
|
|
|
|
|
|
2017-03-29 06:53:26 +00:00
|
|
|
|
var addressFamily = remoteAddress.AddressFamily == IpAddressFamily.InterNetwork
|
|
|
|
|
? AddressFamily.InterNetwork
|
|
|
|
|
: AddressFamily.InterNetworkV6;
|
|
|
|
|
|
|
|
|
|
var retVal = new Socket(addressFamily, System.Net.Sockets.SocketType.Stream, System.Net.Sockets.ProtocolType.Tcp);
|
|
|
|
|
|
2017-03-02 20:50:09 +00:00
|
|
|
|
try
|
|
|
|
|
{
|
|
|
|
|
retVal.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
|
2017-03-29 06:53:26 +00:00
|
|
|
|
}
|
|
|
|
|
catch (SocketException)
|
|
|
|
|
{
|
|
|
|
|
// This is not supported on all operating systems (qnap)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
try
|
|
|
|
|
{
|
2017-03-02 20:50:09 +00:00
|
|
|
|
return new UdpSocket(retVal, new IpEndPointInfo(remoteAddress, remotePort));
|
|
|
|
|
}
|
|
|
|
|
catch
|
|
|
|
|
{
|
|
|
|
|
if (retVal != null)
|
|
|
|
|
retVal.Dispose();
|
|
|
|
|
|
|
|
|
|
throw;
|
|
|
|
|
}
|
|
|
|
|
}
|
2016-11-04 08:31:05 +00:00
|
|
|
|
|
2016-11-04 18:56:47 +00:00
|
|
|
|
/// <summary>
|
2017-03-02 20:50:09 +00:00
|
|
|
|
/// Creates a new UDP acceptSocket and binds it to the specified local port.
|
2016-11-04 18:56:47 +00:00
|
|
|
|
/// </summary>
|
2017-03-02 20:50:09 +00:00
|
|
|
|
/// <param name="localPort">An integer specifying the local port to bind the acceptSocket to.</param>
|
|
|
|
|
public ISocket CreateUdpSocket(int localPort)
|
2016-11-04 18:56:47 +00:00
|
|
|
|
{
|
|
|
|
|
if (localPort < 0) throw new ArgumentException("localPort cannot be less than zero.", "localPort");
|
|
|
|
|
|
2016-11-08 18:44:23 +00:00
|
|
|
|
var retVal = new Socket(AddressFamily.InterNetwork, System.Net.Sockets.SocketType.Dgram, System.Net.Sockets.ProtocolType.Udp);
|
2016-11-04 18:56:47 +00:00
|
|
|
|
try
|
|
|
|
|
{
|
|
|
|
|
retVal.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
|
2016-12-04 21:30:38 +00:00
|
|
|
|
return new UdpSocket(retVal, localPort, IPAddress.Any);
|
2016-11-04 18:56:47 +00:00
|
|
|
|
}
|
|
|
|
|
catch
|
|
|
|
|
{
|
|
|
|
|
if (retVal != null)
|
|
|
|
|
retVal.Dispose();
|
|
|
|
|
|
|
|
|
|
throw;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2017-03-13 04:08:23 +00:00
|
|
|
|
public ISocket CreateUdpBroadcastSocket(int localPort)
|
|
|
|
|
{
|
|
|
|
|
if (localPort < 0) throw new ArgumentException("localPort cannot be less than zero.", "localPort");
|
|
|
|
|
|
|
|
|
|
var retVal = new Socket(AddressFamily.InterNetwork, System.Net.Sockets.SocketType.Dgram, System.Net.Sockets.ProtocolType.Udp);
|
|
|
|
|
try
|
|
|
|
|
{
|
|
|
|
|
retVal.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
|
|
|
|
|
retVal.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, 1);
|
|
|
|
|
|
|
|
|
|
return new UdpSocket(retVal, localPort, IPAddress.Any);
|
|
|
|
|
}
|
|
|
|
|
catch
|
|
|
|
|
{
|
|
|
|
|
if (retVal != null)
|
|
|
|
|
retVal.Dispose();
|
|
|
|
|
|
|
|
|
|
throw;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2016-11-04 08:31:05 +00:00
|
|
|
|
/// <summary>
|
2017-03-13 04:08:23 +00:00
|
|
|
|
/// Creates a new UDP acceptSocket that is a member of the SSDP multicast local admin group and binds it to the specified local port.
|
|
|
|
|
/// </summary>
|
|
|
|
|
/// <returns>An implementation of the <see cref="ISocket"/> interface used by RSSDP components to perform acceptSocket operations.</returns>
|
2017-03-02 20:50:09 +00:00
|
|
|
|
public ISocket CreateSsdpUdpSocket(IpAddressInfo localIpAddress, int localPort)
|
2016-11-04 08:31:05 +00:00
|
|
|
|
{
|
|
|
|
|
if (localPort < 0) throw new ArgumentException("localPort cannot be less than zero.", "localPort");
|
|
|
|
|
|
2016-11-08 18:44:23 +00:00
|
|
|
|
var retVal = new Socket(AddressFamily.InterNetwork, System.Net.Sockets.SocketType.Dgram, System.Net.Sockets.ProtocolType.Udp);
|
2016-11-04 08:31:05 +00:00
|
|
|
|
try
|
|
|
|
|
{
|
|
|
|
|
retVal.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
|
|
|
|
|
retVal.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.MulticastTimeToLive, 4);
|
2016-12-04 21:30:38 +00:00
|
|
|
|
|
|
|
|
|
var localIp = NetworkManager.ToIPAddress(localIpAddress);
|
|
|
|
|
|
|
|
|
|
retVal.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.AddMembership, new MulticastOption(IPAddress.Parse("239.255.255.250"), localIp));
|
|
|
|
|
return new UdpSocket(retVal, localPort, localIp);
|
2016-11-04 08:31:05 +00:00
|
|
|
|
}
|
|
|
|
|
catch
|
|
|
|
|
{
|
|
|
|
|
if (retVal != null)
|
|
|
|
|
retVal.Dispose();
|
|
|
|
|
|
|
|
|
|
throw;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
2017-03-02 20:50:09 +00:00
|
|
|
|
/// Creates a new UDP acceptSocket that is a member of the specified multicast IP address, and binds it to the specified local port.
|
2016-11-04 08:31:05 +00:00
|
|
|
|
/// </summary>
|
2017-03-02 20:50:09 +00:00
|
|
|
|
/// <param name="ipAddress">The multicast IP address to make the acceptSocket a member of.</param>
|
|
|
|
|
/// <param name="multicastTimeToLive">The multicast time to live value for the acceptSocket.</param>
|
2016-11-04 08:31:05 +00:00
|
|
|
|
/// <param name="localPort">The number of the local port to bind to.</param>
|
|
|
|
|
/// <returns></returns>
|
2017-03-02 20:50:09 +00:00
|
|
|
|
public ISocket CreateUdpMulticastSocket(string ipAddress, int multicastTimeToLive, int localPort)
|
2016-11-04 08:31:05 +00:00
|
|
|
|
{
|
|
|
|
|
if (ipAddress == null) throw new ArgumentNullException("ipAddress");
|
|
|
|
|
if (ipAddress.Length == 0) throw new ArgumentException("ipAddress cannot be an empty string.", "ipAddress");
|
|
|
|
|
if (multicastTimeToLive <= 0) throw new ArgumentException("multicastTimeToLive cannot be zero or less.", "multicastTimeToLive");
|
|
|
|
|
if (localPort < 0) throw new ArgumentException("localPort cannot be less than zero.", "localPort");
|
|
|
|
|
|
2016-11-08 18:44:23 +00:00
|
|
|
|
var retVal = new Socket(AddressFamily.InterNetwork, System.Net.Sockets.SocketType.Dgram, System.Net.Sockets.ProtocolType.Udp);
|
2016-11-04 08:31:05 +00:00
|
|
|
|
|
|
|
|
|
try
|
|
|
|
|
{
|
2017-05-24 19:12:55 +00:00
|
|
|
|
retVal.ExclusiveAddressUse = false;
|
2016-11-14 19:48:01 +00:00
|
|
|
|
//retVal.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, true);
|
2016-11-04 08:31:05 +00:00
|
|
|
|
retVal.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
|
|
|
|
|
retVal.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.MulticastTimeToLive, multicastTimeToLive);
|
2016-12-04 21:30:38 +00:00
|
|
|
|
|
|
|
|
|
var localIp = IPAddress.Any;
|
|
|
|
|
|
|
|
|
|
retVal.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.AddMembership, new MulticastOption(IPAddress.Parse(ipAddress), localIp));
|
2016-11-04 08:31:05 +00:00
|
|
|
|
retVal.MulticastLoopback = true;
|
|
|
|
|
|
2016-12-04 21:30:38 +00:00
|
|
|
|
return new UdpSocket(retVal, localPort, localIp);
|
2016-11-04 08:31:05 +00:00
|
|
|
|
}
|
|
|
|
|
catch
|
|
|
|
|
{
|
|
|
|
|
if (retVal != null)
|
|
|
|
|
retVal.Dispose();
|
|
|
|
|
|
|
|
|
|
throw;
|
|
|
|
|
}
|
|
|
|
|
}
|
2017-05-25 13:00:14 +00:00
|
|
|
|
|
|
|
|
|
public Stream CreateNetworkStream(ISocket socket, bool ownsSocket)
|
|
|
|
|
{
|
|
|
|
|
var netSocket = (UdpSocket)socket;
|
|
|
|
|
|
|
|
|
|
return new SocketStream(netSocket.Socket, ownsSocket);
|
|
|
|
|
}
|
2016-11-04 08:31:05 +00:00
|
|
|
|
}
|
2017-05-25 13:00:14 +00:00
|
|
|
|
|
|
|
|
|
public class SocketStream : Stream
|
|
|
|
|
{
|
|
|
|
|
private readonly Socket _socket;
|
|
|
|
|
|
|
|
|
|
public SocketStream(Socket socket, bool ownsSocket)
|
|
|
|
|
{
|
|
|
|
|
_socket = socket;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public override void Flush()
|
|
|
|
|
{
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public override bool CanRead
|
|
|
|
|
{
|
|
|
|
|
get { return true; }
|
|
|
|
|
}
|
|
|
|
|
public override bool CanSeek
|
|
|
|
|
{
|
|
|
|
|
get { return false; }
|
|
|
|
|
}
|
|
|
|
|
public override bool CanWrite
|
|
|
|
|
{
|
|
|
|
|
get { return true; }
|
|
|
|
|
}
|
|
|
|
|
public override long Length
|
|
|
|
|
{
|
|
|
|
|
get { throw new NotImplementedException(); }
|
|
|
|
|
}
|
|
|
|
|
public override long Position
|
|
|
|
|
{
|
|
|
|
|
get { throw new NotImplementedException(); }
|
|
|
|
|
set { throw new NotImplementedException(); }
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public override void Write(byte[] buffer, int offset, int count)
|
|
|
|
|
{
|
|
|
|
|
_socket.Send(buffer, offset, count, SocketFlags.None);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public override IAsyncResult BeginWrite(byte[] buffer, int offset, int count, AsyncCallback callback, object state)
|
|
|
|
|
{
|
|
|
|
|
return _socket.BeginSend(buffer, offset, count, SocketFlags.None, callback, state);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public override void EndWrite(IAsyncResult asyncResult)
|
|
|
|
|
{
|
|
|
|
|
_socket.EndSend(asyncResult);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public override void SetLength(long value)
|
|
|
|
|
{
|
|
|
|
|
throw new NotImplementedException();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public override long Seek(long offset, SeekOrigin origin)
|
|
|
|
|
{
|
|
|
|
|
throw new NotImplementedException();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public override int Read(byte[] buffer, int offset, int count)
|
|
|
|
|
{
|
|
|
|
|
return _socket.Receive(buffer, offset, count, SocketFlags.None);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public override IAsyncResult BeginRead(byte[] buffer, int offset, int count, AsyncCallback callback, object state)
|
|
|
|
|
{
|
|
|
|
|
return _socket.BeginReceive(buffer, offset, count, SocketFlags.None, callback, state);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public override int EndRead(IAsyncResult asyncResult)
|
|
|
|
|
{
|
|
|
|
|
return _socket.EndReceive(asyncResult);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2016-11-04 08:31:05 +00:00
|
|
|
|
}
|