C++ (Cpp) has_in示例

示例#1

文件： socket_base.cpp 项目： adymitruk/zeromq3-0

int zmq::socket_base_t::getsockopt (int option_, void *optval_,
    size_t *optvallen_)
{
    if (unlikely (ctx_terminated)) {
        errno = ETERM;
        return -1;
    }

    if (option_ == ZMQ_RCVLABEL) {
        if (*optvallen_ < sizeof (int)) {
            errno = EINVAL;
            return -1;
        }
        *((int*) optval_) = rcvlabel ? 1 : 0;
        *optvallen_ = sizeof (int);
        return 0;
    }

    if (option_ == ZMQ_RCVMORE) {
        if (*optvallen_ < sizeof (int)) {
            errno = EINVAL;
            return -1;
        }
        *((int*) optval_) = rcvmore ? 1 : 0;
        *optvallen_ = sizeof (int);
        return 0;
    }

    if (option_ == ZMQ_FD) {
        if (*optvallen_ < sizeof (fd_t)) {
            errno = EINVAL;
            return -1;
        }
        *((fd_t*) optval_) = mailbox.get_fd ();
        *optvallen_ = sizeof (fd_t);
        return 0;
    }

    if (option_ == ZMQ_EVENTS) {
        if (*optvallen_ < sizeof (int)) {
            errno = EINVAL;
            return -1;
        }
        int rc = process_commands (0, false);
        if (rc != 0 && (errno == EINTR || errno == ETERM))
            return -1;
        errno_assert (rc == 0);
        *((int*) optval_) = 0;
        if (has_out ())
            *((int*) optval_) |= ZMQ_POLLOUT;
        if (has_in ())
            *((int*) optval_) |= ZMQ_POLLIN;
        *optvallen_ = sizeof (int);
        return 0;
    }

    return options.getsockopt (option_, optval_, optvallen_);
}

示例#2

文件： socket_base.cpp 项目： cbrisket/libzmq

int zmq::socket_base_t::getsockopt (int option_, void *optval_,
    size_t *optvallen_)
{
    if (unlikely (ctx_terminated)) {
        errno = ETERM;
        return -1;
    }
    
    //  First, check whether specific socket type overloads the option.
    int rc = xgetsockopt (option_, optval_, optvallen_);
    if (rc == 0 || errno != EINVAL)
        return rc;

    if (option_ == ZMQ_RCVMORE) {
        if (*optvallen_ < sizeof (int)) {
            errno = EINVAL;
            return -1;
        }
        *((int*) optval_) = rcvmore ? 1 : 0;
        *optvallen_ = sizeof (int);
        return 0;
    }

    if (option_ == ZMQ_FD) {
        if (*optvallen_ < sizeof (fd_t)) {
            errno = EINVAL;
            return -1;
        }
        *((fd_t*) optval_) = mailbox.get_fd ();
        *optvallen_ = sizeof (fd_t);
        return 0;
    }

    if (option_ == ZMQ_EVENTS) {
        if (*optvallen_ < sizeof (int)) {
            errno = EINVAL;
            return -1;
        }
        int rc = process_commands (0, false);
        if (rc != 0 && (errno == EINTR || errno == ETERM))
            return -1;
        errno_assert (rc == 0);
        *((int*) optval_) = 0;
        if (has_out ())
            *((int*) optval_) |= ZMQ_POLLOUT;
        if (has_in ())
            *((int*) optval_) |= ZMQ_POLLIN;
        *optvallen_ = sizeof (int);
        return 0;
    }

    if (option_ == ZMQ_LAST_ENDPOINT) {
        if (*optvallen_ < last_endpoint.size () + 1) {
            errno = EINVAL;
            return -1;
        }
        strcpy (static_cast <char *> (optval_), last_endpoint.c_str ());
        *optvallen_ = last_endpoint.size () + 1;
        return 0;
    }

    return options.getsockopt (option_, optval_, optvallen_);
}

示例#3

文件： socket_base.cpp 项目： snowattitudes/libzmq

int zmq::socket_base_t::getsockopt (int option_, void *optval_,
    size_t *optvallen_)
{
    ENTER_MUTEX();

    if (unlikely (ctx_terminated)) {
        errno = ETERM;
        EXIT_MUTEX();
        return -1;
    }

    if (option_ == ZMQ_RCVMORE) {
        if (*optvallen_ < sizeof (int)) {
            errno = EINVAL;
            EXIT_MUTEX();
            return -1;
        }
        memset(optval_, 0, *optvallen_);
        *((int*) optval_) = rcvmore ? 1 : 0;
        *optvallen_ = sizeof (int);
        EXIT_MUTEX();
        return 0;
    }

    if (option_ == ZMQ_FD) {
        if (*optvallen_ < sizeof (fd_t)) {
            errno = EINVAL;
            EXIT_MUTEX();
            return -1;
        }

        if (thread_safe) {
            // thread safe socket doesn't provide file descriptor
            errno = EINVAL;
            EXIT_MUTEX();
            return -1;
        }

        *((fd_t*)optval_) = ((mailbox_t*)mailbox)->get_fd();
        *optvallen_ = sizeof(fd_t);

        EXIT_MUTEX();
        return 0;
    }

    if (option_ == ZMQ_EVENTS) {
        if (*optvallen_ < sizeof (int)) {
            errno = EINVAL;
            EXIT_MUTEX();
            return -1;
        }
        int rc = process_commands (0, false);
        if (rc != 0 && (errno == EINTR || errno == ETERM)) {
            EXIT_MUTEX();
            return -1;
        }
        errno_assert (rc == 0);
        *((int*) optval_) = 0;
        if (has_out ())
            *((int*) optval_) |= ZMQ_POLLOUT;
        if (has_in ())
            *((int*) optval_) |= ZMQ_POLLIN;
        *optvallen_ = sizeof (int);
        EXIT_MUTEX();
        return 0;
    }

    if (option_ == ZMQ_LAST_ENDPOINT) {
        if (*optvallen_ < last_endpoint.size () + 1) {
            errno = EINVAL;
            EXIT_MUTEX();
            return -1;
        }
        strcpy (static_cast <char *> (optval_), last_endpoint.c_str ());
        *optvallen_ = last_endpoint.size () + 1;
        EXIT_MUTEX();
        return 0;
    }

    if (option_ == ZMQ_THREAD_SAFE) {
        if (*optvallen_ < sizeof (int)) {
            errno = EINVAL;
            EXIT_MUTEX();
            return -1;
        }
        memset(optval_, 0, *optvallen_);
        *((int*) optval_) = thread_safe	? 1 : 0;
        *optvallen_ = sizeof (int);
        EXIT_MUTEX();
        return 0;
    }  

    int rc = options.getsockopt (option_, optval_, optvallen_);
    EXIT_MUTEX();
    return rc;
}