mirror of
https://github.com/jellyfin/jellyfin.git
synced 2024-09-07 11:57:55 +02:00
116 lines
3.9 KiB
C#
116 lines
3.9 KiB
C#
#pragma warning disable CS1591
|
|
|
|
using System;
|
|
using System.Net;
|
|
using System.Net.Sockets;
|
|
using MediaBrowser.Model.Net;
|
|
|
|
namespace Emby.Server.Implementations.Net
|
|
{
|
|
public class SocketFactory : ISocketFactory
|
|
{
|
|
/// <inheritdoc />
|
|
public ISocket CreateUdpBroadcastSocket(int localPort)
|
|
{
|
|
if (localPort < 0)
|
|
{
|
|
throw new ArgumentException("localPort cannot be less than zero.", nameof(localPort));
|
|
}
|
|
|
|
var retVal = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
|
|
try
|
|
{
|
|
retVal.EnableBroadcast = true;
|
|
retVal.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
|
|
retVal.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, 1);
|
|
|
|
return new UdpSocket(retVal, localPort, IPAddress.Any);
|
|
}
|
|
catch
|
|
{
|
|
retVal?.Dispose();
|
|
|
|
throw;
|
|
}
|
|
}
|
|
|
|
/// <inheritdoc />
|
|
public ISocket CreateSsdpUdpSocket(IPAddress localIp, int localPort)
|
|
{
|
|
if (localPort < 0)
|
|
{
|
|
throw new ArgumentException("localPort cannot be less than zero.", nameof(localPort));
|
|
}
|
|
|
|
var retVal = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
|
|
try
|
|
{
|
|
retVal.EnableBroadcast = true;
|
|
retVal.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
|
|
retVal.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.MulticastTimeToLive, 4);
|
|
|
|
retVal.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.AddMembership, new MulticastOption(IPAddress.Parse("239.255.255.250"), localIp));
|
|
return new UdpSocket(retVal, localPort, localIp);
|
|
}
|
|
catch
|
|
{
|
|
retVal?.Dispose();
|
|
|
|
throw;
|
|
}
|
|
}
|
|
|
|
/// <inheritdoc />
|
|
public ISocket CreateUdpMulticastSocket(IPAddress ipAddress, IPAddress bindIpAddress, int multicastTimeToLive, int localPort)
|
|
{
|
|
ArgumentNullException.ThrowIfNull(ipAddress);
|
|
|
|
if (bindIpAddress == null)
|
|
{
|
|
bindIpAddress = IPAddress.Any;
|
|
}
|
|
|
|
if (multicastTimeToLive <= 0)
|
|
{
|
|
throw new ArgumentException("multicastTimeToLive cannot be zero or less.", nameof(multicastTimeToLive));
|
|
}
|
|
|
|
if (localPort < 0)
|
|
{
|
|
throw new ArgumentException("localPort cannot be less than zero.", nameof(localPort));
|
|
}
|
|
|
|
var retVal = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
|
|
|
|
retVal.ExclusiveAddressUse = false;
|
|
|
|
try
|
|
{
|
|
// seeing occasional exceptions thrown on qnap
|
|
// System.Net.Sockets.SocketException (0x80004005): Protocol not available
|
|
retVal.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
|
|
}
|
|
catch (SocketException)
|
|
{
|
|
}
|
|
|
|
try
|
|
{
|
|
retVal.EnableBroadcast = true;
|
|
// retVal.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, true);
|
|
retVal.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.MulticastTimeToLive, multicastTimeToLive);
|
|
|
|
retVal.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.AddMembership, new MulticastOption(ipAddress, bindIpAddress));
|
|
retVal.MulticastLoopback = true;
|
|
|
|
return new UdpSocket(retVal, localPort, bindIpAddress);
|
|
}
|
|
catch
|
|
{
|
|
retVal?.Dispose();
|
|
|
|
throw;
|
|
}
|
|
}
|
|
}
|
|
}
|