Support IPv6->IPv4 fallback in HTTP streaming.

    }

    CHECK_EQ(mSocket, -1);

    mSocket = socket(ai[0].ai_family, ai[0].ai_socktype, ai[0].ai_protocol);

    mState = CONNECTING;

    status_t res = -1;

    struct addrinfo *tmp;

    for (tmp = ai; tmp; tmp = tmp->ai_next) {

        mSocket = socket(tmp->ai_family, tmp->ai_socktype, tmp->ai_protocol);

        if (mSocket < 0) {

        freeaddrinfo(ai);

        return UNKNOWN_ERROR;

            continue;

        }

    setReceiveTimeout(30);  // Time out reads after 30 secs by default

    mState = CONNECTING;

        setReceiveTimeout(30);  // Time out reads after 30 secs by default.

        int s = mSocket;

        mLock.unlock();

    status_t res = MyConnect(s, ai[0].ai_addr, ai[0].ai_addrlen);

    freeaddrinfo(ai);

        res = MyConnect(s, tmp->ai_addr, tmp->ai_addrlen);

        mLock.lock();

        if (mState != CONNECTING) {

            close(s);

            freeaddrinfo(ai);

            return UNKNOWN_ERROR;

        }

        if (res == OK) {

            break;

        }

        close(s);

    }

    freeaddrinfo(ai);

    if (res != OK) {

        close(mSocket);

        mSocket = -1;