CreateSocket() [2/2]

static unsafe SocketError System.Net.Sockets.SocketPal.CreateSocket ( SocketInformation socketInformation, out SafeSocketHandle socket, ref AddressFamily addressFamily, ref SocketType socketType, ref ProtocolType protocolType )

inlinestatic

Definition at line 49 of file SocketPal.cs.

    {
        if (socketInformation.ProtocolInformation == null || socketInformation.ProtocolInformation.Length < sizeof(global::Interop.Winsock.WSAPROTOCOL_INFOW))
        {
            throw new ArgumentException(System.SR.net_sockets_invalid_socketinformation, "socketInformation");
        }
        global::Interop.Winsock.EnsureInitialized();
        fixed (byte* ptr = socketInformation.ProtocolInformation)
        {
            IntPtr preexistingHandle = global::Interop.Winsock.WSASocketW(AddressFamily.Unknown, SocketType.Unknown, ProtocolType.Unknown, (IntPtr)ptr, 0u, global::Interop.Winsock.SocketConstructorFlags.WSA_FLAG_OVERLAPPED | global::Interop.Winsock.SocketConstructorFlags.WSA_FLAG_NO_HANDLE_INHERIT);
            socket = new SafeSocketHandle(preexistingHandle, ownsHandle: true);
            if (socket.IsInvalid)
            {
                SocketError lastSocketError = GetLastSocketError();
                if (System.Net.NetEventSource.Log.IsEnabled())
                {
                    System.Net.NetEventSource.Error(null, $"WSASocketW failed with error {lastSocketError}", "CreateSocket");
                }
                socket.Dispose();
                return lastSocketError;
            }
            if (!global::Interop.Kernel32.SetHandleInformation(socket, global::Interop.Kernel32.HandleFlags.HANDLE_FLAG_INHERIT, global::Interop.Kernel32.HandleFlags.None))
            {
                SocketError lastSocketError2 = GetLastSocketError();
                if (System.Net.NetEventSource.Log.IsEnabled())
                {
                    System.Net.NetEventSource.Error(null, $"SetHandleInformation failed with error {lastSocketError2}", "CreateSocket");
                }
                socket.Dispose();
                return lastSocketError2;
            }
            if (System.Net.NetEventSource.Log.IsEnabled())
            {
                System.Net.NetEventSource.Info(null, socket, "CreateSocket");
            }
            global::Interop.Winsock.WSAPROTOCOL_INFOW* ptr2 = (global::Interop.Winsock.WSAPROTOCOL_INFOW*)ptr;
            addressFamily = ptr2->iAddressFamily;
            socketType = ptr2->iSocketType;
            protocolType = ptr2->iProtocol;
            return SocketError.Success;
        }
    }

References System.Net.NetEventSource.Error(), System.Net.Sockets.SocketPal.GetLastSocketError(), System.Net.NetEventSource.Info(), System.Net.NetEventSource.Log, and System.SR.net_sockets_invalid_socketinformation.