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Diffstat (limited to 'RSSDP/SocketFactory.cs')
| -rw-r--r-- | RSSDP/SocketFactory.cs | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/RSSDP/SocketFactory.cs b/RSSDP/SocketFactory.cs deleted file mode 100644 index 1a9c981d0..000000000 --- a/RSSDP/SocketFactory.cs +++ /dev/null @@ -1,114 +0,0 @@ -using System; -using System.Collections.Generic; -using System.Linq; -using System.Net; -using System.Net.Sockets; -using System.Security; -using System.Text; -using Rssdp.Infrastructure; - -namespace Rssdp -{ - // 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. - - /// <summary> - /// Used by RSSDP components to create implementations of the <see cref="IUdpSocket"/> interface, to perform platform agnostic socket communications. - /// </summary> - public sealed class SocketFactory : ISocketFactory - { - private IPAddress _LocalIP; - - /// <summary> - /// Default constructor. - /// </summary> - /// <param name="localIP">A string containing the IP address of the local network adapter to bind sockets to. Null or empty string will use <see cref="IPAddress.Any"/>.</param> - public SocketFactory(string localIP) - { - if (String.IsNullOrEmpty(localIP)) - _LocalIP = IPAddress.Any; - else - _LocalIP = IPAddress.Parse(localIP); - } - - #region ISocketFactory Members - - /// <summary> - /// Creates a new UDP socket that is a member of the SSDP multicast local admin group and binds it to the specified local port. - /// </summary> - /// <param name="localPort">An integer specifying the local port to bind the socket to.</param> - /// <returns>An implementation of the <see cref="IUdpSocket"/> interface used by RSSDP components to perform socket operations.</returns> - [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Reliability", "CA2000:Dispose objects before losing scope", Justification = "The purpose of this method is to create and returns a disposable result, it is up to the caller to dispose it when they are done with it.")] - public IUdpSocket CreateUdpSocket(int localPort) - { - if (localPort < 0) throw new ArgumentException("localPort cannot be less than zero.", "localPort"); - - var retVal = new Socket(System.Net.Sockets.AddressFamily.InterNetwork, System.Net.Sockets.SocketType.Dgram, System.Net.Sockets.ProtocolType.Udp); - try - { - retVal.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true); - retVal.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.MulticastTimeToLive, SsdpConstants.SsdpDefaultMulticastTimeToLive); - retVal.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.AddMembership, new MulticastOption(IPAddress.Parse(SsdpConstants.MulticastLocalAdminAddress), _LocalIP)); - return new UdpSocket(retVal, localPort, _LocalIP.ToString()); - } - catch - { - if (retVal != null) - retVal.Dispose(); - - throw; - } - } - - /// <summary> - /// Creates a new UDP socket that is a member of the specified multicast IP address, and binds it to the specified local port. - /// </summary> - /// <param name="ipAddress">The multicast IP address to make the socket a member of.</param> - /// <param name="multicastTimeToLive">The multicast time to live value for the socket.</param> - /// <param name="localPort">The number of the local port to bind to.</param> - /// <returns></returns> - [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "ip"), System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Reliability", "CA2000:Dispose objects before losing scope", Justification = "The purpose of this method is to create and returns a disposable result, it is up to the caller to dispose it when they are done with it.")] - public IUdpSocket CreateUdpMulticastSocket(string ipAddress, int multicastTimeToLive, int localPort) - { - 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"); - - var retVal = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp); - - try - { -#if NETSTANDARD1_3 - // The ExclusiveAddressUse socket option is a Windows-specific option that, when set to "true," tells Windows not to allow another socket to use the same local address as this socket - // See https://github.com/dotnet/corefx/pull/11509 for more details - if (System.Runtime.InteropServices.RuntimeInformation.IsOSPlatform(System.Runtime.InteropServices.OSPlatform.Windows)) - { - retVal.ExclusiveAddressUse = false; - } -#else - retVal.ExclusiveAddressUse = false; -#endif - retVal.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true); - retVal.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.MulticastTimeToLive, multicastTimeToLive); - retVal.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.AddMembership, new MulticastOption(IPAddress.Parse(ipAddress), _LocalIP)); - retVal.MulticastLoopback = true; - - return new UdpSocket(retVal, localPort, _LocalIP.ToString()); - } - catch - { - if (retVal != null) - retVal.Dispose(); - - throw; - } - } - - #endregion - } -}
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