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));
}
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);
}