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merge common implementations and server implementations
This commit is contained in:
Luke Pulverenti
294
Emby.Server.Implementations/Net/SocketFactory.cs
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294
Emby.Server.Implementations/Net/SocketFactory.cs
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using System;
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using System.IO;
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using System.Net;
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using System.Net.Sockets;
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using Emby.Server.Implementations.Networking;
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using MediaBrowser.Model.Logging;
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using MediaBrowser.Model.Net;
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namespace Emby.Server.Implementations.Net
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{
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public class SocketFactory : ISocketFactory
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{
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// THIS IS A LINKED FILE - SHARED AMONGST MULTIPLE PLATFORMS
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// Be careful to check any changes compile and work for all platform projects it is shared in.
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// Not entirely happy with this. Would have liked to have done something more generic/reusable,
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// but that wasn't really the point so kept to YAGNI principal for now, even if the
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// interfaces are a bit ugly, specific and make assumptions.
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private readonly ILogger _logger;
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public SocketFactory(ILogger logger)
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{
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if (logger == null)
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{
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throw new ArgumentNullException("logger");
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}
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_logger = logger;
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}
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public IAcceptSocket CreateSocket(IpAddressFamily family, MediaBrowser.Model.Net.SocketType socketType, MediaBrowser.Model.Net.ProtocolType protocolType, bool dualMode)
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{
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try
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{
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var addressFamily = family == IpAddressFamily.InterNetwork
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? AddressFamily.InterNetwork
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: AddressFamily.InterNetworkV6;
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var socket = new Socket(addressFamily, System.Net.Sockets.SocketType.Stream, System.Net.Sockets.ProtocolType.Tcp);
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if (dualMode)
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{
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socket.DualMode = true;
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}
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return new NetAcceptSocket(socket, _logger, dualMode);
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}
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catch (SocketException ex)
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{
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throw new SocketCreateException(ex.SocketErrorCode.ToString(), ex);
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}
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catch (ArgumentException ex)
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{
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if (dualMode)
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{
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// Mono for BSD incorrectly throws ArgumentException instead of SocketException
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throw new SocketCreateException("AddressFamilyNotSupported", ex);
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}
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else
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{
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throw;
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}
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}
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}
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public ISocket CreateTcpSocket(IpAddressInfo remoteAddress, int remotePort)
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{
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if (remotePort < 0) throw new ArgumentException("remotePort cannot be less than zero.", "remotePort");
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var addressFamily = remoteAddress.AddressFamily == IpAddressFamily.InterNetwork
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? AddressFamily.InterNetwork
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: AddressFamily.InterNetworkV6;
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var retVal = new Socket(addressFamily, System.Net.Sockets.SocketType.Stream, System.Net.Sockets.ProtocolType.Tcp);
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try
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{
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retVal.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
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}
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catch (SocketException)
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{
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// This is not supported on all operating systems (qnap)
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}
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try
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{
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return new UdpSocket(retVal, new IpEndPointInfo(remoteAddress, remotePort));
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}
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catch
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{
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if (retVal != null)
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retVal.Dispose();
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throw;
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}
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}
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/// <summary>
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/// Creates a new UDP acceptSocket and binds it to the specified local port.
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/// </summary>
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/// <param name="localPort">An integer specifying the local port to bind the acceptSocket to.</param>
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public ISocket CreateUdpSocket(int localPort)
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{
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if (localPort < 0) throw new ArgumentException("localPort cannot be less than zero.", "localPort");
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var retVal = new Socket(AddressFamily.InterNetwork, System.Net.Sockets.SocketType.Dgram, System.Net.Sockets.ProtocolType.Udp);
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try
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{
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retVal.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
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return new UdpSocket(retVal, localPort, IPAddress.Any);
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}
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catch
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{
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if (retVal != null)
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retVal.Dispose();
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throw;
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}
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}
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public ISocket CreateUdpBroadcastSocket(int localPort)
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{
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if (localPort < 0) throw new ArgumentException("localPort cannot be less than zero.", "localPort");
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var retVal = new Socket(AddressFamily.InterNetwork, System.Net.Sockets.SocketType.Dgram, System.Net.Sockets.ProtocolType.Udp);
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try
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{
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retVal.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
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retVal.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, 1);
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return new UdpSocket(retVal, localPort, IPAddress.Any);
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}
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catch
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{
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if (retVal != null)
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retVal.Dispose();
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throw;
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}
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}
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/// <summary>
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/// Creates a new UDP acceptSocket that is a member of the SSDP multicast local admin group and binds it to the specified local port.
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/// </summary>
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/// <returns>An implementation of the <see cref="ISocket"/> interface used by RSSDP components to perform acceptSocket operations.</returns>
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public ISocket CreateSsdpUdpSocket(IpAddressInfo localIpAddress, int localPort)
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{
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if (localPort < 0) throw new ArgumentException("localPort cannot be less than zero.", "localPort");
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var retVal = new Socket(AddressFamily.InterNetwork, System.Net.Sockets.SocketType.Dgram, System.Net.Sockets.ProtocolType.Udp);
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try
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{
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retVal.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
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retVal.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.MulticastTimeToLive, 4);
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var localIp = NetworkManager.ToIPAddress(localIpAddress);
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retVal.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.AddMembership, new MulticastOption(IPAddress.Parse("239.255.255.250"), localIp));
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return new UdpSocket(retVal, localPort, localIp);
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}
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catch
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{
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if (retVal != null)
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retVal.Dispose();
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throw;
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}
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}
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/// <summary>
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/// Creates a new UDP acceptSocket that is a member of the specified multicast IP address, and binds it to the specified local port.
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/// </summary>
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/// <param name="ipAddress">The multicast IP address to make the acceptSocket a member of.</param>
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/// <param name="multicastTimeToLive">The multicast time to live value for the acceptSocket.</param>
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/// <param name="localPort">The number of the local port to bind to.</param>
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/// <returns></returns>
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public ISocket CreateUdpMulticastSocket(string ipAddress, int multicastTimeToLive, int localPort)
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{
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if (ipAddress == null) throw new ArgumentNullException("ipAddress");
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if (ipAddress.Length == 0) throw new ArgumentException("ipAddress cannot be an empty string.", "ipAddress");
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if (multicastTimeToLive <= 0) throw new ArgumentException("multicastTimeToLive cannot be zero or less.", "multicastTimeToLive");
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if (localPort < 0) throw new ArgumentException("localPort cannot be less than zero.", "localPort");
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var retVal = new Socket(AddressFamily.InterNetwork, System.Net.Sockets.SocketType.Dgram, System.Net.Sockets.ProtocolType.Udp);
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try
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{
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retVal.ExclusiveAddressUse = false;
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//retVal.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, true);
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retVal.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
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retVal.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.MulticastTimeToLive, multicastTimeToLive);
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var localIp = IPAddress.Any;
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retVal.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.AddMembership, new MulticastOption(IPAddress.Parse(ipAddress), localIp));
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retVal.MulticastLoopback = true;
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return new UdpSocket(retVal, localPort, localIp);
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}
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catch
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{
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if (retVal != null)
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retVal.Dispose();
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throw;
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}
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}
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public Stream CreateNetworkStream(ISocket socket, bool ownsSocket)
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{
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var netSocket = (UdpSocket)socket;
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return new SocketStream(netSocket.Socket, ownsSocket);
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}
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}
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public class SocketStream : Stream
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{
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private readonly Socket _socket;
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public SocketStream(Socket socket, bool ownsSocket)
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{
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_socket = socket;
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}
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public override void Flush()
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{
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}
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public override bool CanRead
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{
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get { return true; }
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}
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public override bool CanSeek
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{
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get { return false; }
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}
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public override bool CanWrite
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{
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get { return true; }
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}
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public override long Length
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{
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get { throw new NotImplementedException(); }
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}
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public override long Position
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{
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get { throw new NotImplementedException(); }
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set { throw new NotImplementedException(); }
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}
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public override void Write(byte[] buffer, int offset, int count)
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{
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_socket.Send(buffer, offset, count, SocketFlags.None);
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}
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public override IAsyncResult BeginWrite(byte[] buffer, int offset, int count, AsyncCallback callback, object state)
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{
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return _socket.BeginSend(buffer, offset, count, SocketFlags.None, callback, state);
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}
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public override void EndWrite(IAsyncResult asyncResult)
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{
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_socket.EndSend(asyncResult);
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}
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public override void SetLength(long value)
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{
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throw new NotImplementedException();
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}
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public override long Seek(long offset, SeekOrigin origin)
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{
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throw new NotImplementedException();
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}
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public override int Read(byte[] buffer, int offset, int count)
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{
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return _socket.Receive(buffer, offset, count, SocketFlags.None);
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}
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public override IAsyncResult BeginRead(byte[] buffer, int offset, int count, AsyncCallback callback, object state)
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{
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return _socket.BeginReceive(buffer, offset, count, SocketFlags.None, callback, state);
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}
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public override int EndRead(IAsyncResult asyncResult)
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{
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return _socket.EndReceive(asyncResult);
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}
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}
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}
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