Ejemplo n.º 1
0
        public void GetAddrInfoWTest()
        {
            var hints = new ADDRINFOW {
                ai_flags = ADDRINFO_FLAGS.AI_CANONNAME, ai_family = ADDRESS_FAMILY.AF_UNSPEC
            };

            Assert.That(GetAddrInfoW(localIP4.ToString(), null, hints, out var res), ResultIs.Successful);
            TestContext.Write(string.Join(", ", res));
        }
Ejemplo n.º 2
0
        private static Win32Error CreateTcpConnection(bool v6, out SafeSOCKET serviceSocket, out SafeSOCKET clientSocket, out SOCKET acceptSocket, out ushort serverPort, out ushort clientPort)
        {
            Win32Error status;
            var        aiFamily = v6 ? ADDRESS_FAMILY.AF_INET6 : ADDRESS_FAMILY.AF_INET;
            var        hints    = new ADDRINFOW
            {
                ai_family   = aiFamily,
                ai_socktype = SOCK.SOCK_STREAM,
                ai_protocol = IPPROTO.IPPROTO_TCP
            };
            var loopback = v6 ? "::1" : "127.0.0.1";

            serviceSocket = SafeSOCKET.INVALID_SOCKET;
            clientSocket  = SafeSOCKET.INVALID_SOCKET;
            acceptSocket  = SOCKET.INVALID_SOCKET;
            serverPort    = clientPort = 0;

            status = GetAddrInfoW(loopback, "", hints, out var result);
            if (status.Failed)
            {
                goto bail;
            }

            using (result)
            {
                var localhost = result.FirstOrDefault();

                serviceSocket = socket(aiFamily, SOCK.SOCK_STREAM, IPPROTO.IPPROTO_TCP);
                clientSocket  = socket(aiFamily, SOCK.SOCK_STREAM, IPPROTO.IPPROTO_TCP);
                if (serviceSocket == SOCKET.INVALID_SOCKET || clientSocket == SOCKET.INVALID_SOCKET)
                {
                    goto bail;
                }

                status = bind(serviceSocket, localhost.addr, localhost.ai_addrlen);
                if (status.Failed)
                {
                    goto bail;
                }
            }

            var serverSockName = SOCKADDR.Empty;
            var nameLen        = serverSockName.Size;

            status = getsockname(serviceSocket, serverSockName, ref nameLen);
            if (status.Failed)
            {
                goto bail;
            }
            serverPort = v6 ? ((SOCKADDR_IN6)serverSockName).sin6_port : ((SOCKADDR_IN)serverSockName).sin_port;

            status = listen(serviceSocket, SOMAXCONN);
            if (status.Failed)
            {
                goto bail;
            }

            status = connect(clientSocket, serverSockName, nameLen);
            if (status.Failed)
            {
                goto bail;
            }

            var clientSockName = SOCKADDR.Empty;

            nameLen = clientSockName.Size;
            status  = getsockname(clientSocket, clientSockName, ref nameLen);
            if (status.Failed)
            {
                goto bail;
            }

            clientPort = v6 ? ((SOCKADDR_IN6)clientSockName).sin6_port : ((SOCKADDR_IN)clientSockName).sin_port;

            acceptSocket = accept(serviceSocket);
            if (acceptSocket == SOCKET.INVALID_SOCKET)
            {
                goto bail;
            }

            return(Win32Error.ERROR_SUCCESS);

bail:
            return(status == -1 ? WSAGetLastError() : status);
        }