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# 存在するサーバーのオープン中ポート(例えばRDP)の場合は接続成功
> ConsoleApplication1.exe 127.0.0.1 3389
connect: OK

# 存在するサーバーのクローズ中ポート(例えばSSH)の場合は WSAECONNREFUSED(10061) になる
> ConsoleApplication1.exe 127.0.0.1 22
connect failed with error: 10061

# IPアドレスが接続先として不適切の場合は WSAEADDRNOTAVAIL(10049) になる
> ConsoleApplication1.exe 0.0.0.0 22
connect failed with error: 10049

# 同一ネットワークだが、存在しないサーバーの場合は WSAETIMEDOUT(10060) になる
>ConsoleApplication1.exe 192.168.1.2 22
connect failed with error: 10060

connectcheck's People

Contributors

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connectcheck's Issues

connect err

    iResult = connect(ConnectSocket, (struct sockaddr*)&hints, (int)sizeof(hints));
    if (iResult == SOCKET_ERROR) {
        int e = WSAGetLastError();
        closesocket(ConnectSocket);
        WSASetLastError(e);
        printf("connect failed with error: %ld\n", WSAGetLastError());
        exit(1);
    }

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