C++ (Cpp) qio_channel_set_feature Examples

Example #1

File: channel-socket.c Project: Icenowy/qemu

QIOChannelSocket *
qio_channel_socket_accept(QIOChannelSocket *ioc,
                          Error **errp)
{
    QIOChannelSocket *cioc;

    cioc = QIO_CHANNEL_SOCKET(object_new(TYPE_QIO_CHANNEL_SOCKET));
    cioc->fd = -1;
    cioc->remoteAddrLen = sizeof(ioc->remoteAddr);
    cioc->localAddrLen = sizeof(ioc->localAddr);

#ifdef WIN32
    QIO_CHANNEL(cioc)->event = CreateEvent(NULL, FALSE, FALSE, NULL);
#endif


 retry:
    trace_qio_channel_socket_accept(ioc);
    cioc->fd = qemu_accept(ioc->fd, (struct sockaddr *)&cioc->remoteAddr,
                           &cioc->remoteAddrLen);
    if (cioc->fd < 0) {
        trace_qio_channel_socket_accept_fail(ioc);
        if (errno == EINTR) {
            goto retry;
        }
        goto error;
    }

    if (getsockname(cioc->fd, (struct sockaddr *)&cioc->localAddr,
                    &cioc->localAddrLen) < 0) {
        error_setg_errno(errp, errno,
                         "Unable to query local socket address");
        goto error;
    }

#ifndef WIN32
    if (cioc->localAddr.ss_family == AF_UNIX) {
        QIOChannel *ioc_local = QIO_CHANNEL(cioc);
        qio_channel_set_feature(ioc_local, QIO_CHANNEL_FEATURE_FD_PASS);
    }
#endif /* WIN32 */

    trace_qio_channel_socket_accept_complete(ioc, cioc, cioc->fd);
    return cioc;

 error:
    object_unref(OBJECT(cioc));
    return NULL;
}

Example #2

File: channel-socket.c Project: Icenowy/qemu

static int
qio_channel_socket_set_fd(QIOChannelSocket *sioc,
                          int fd,
                          Error **errp)
{
    if (sioc->fd != -1) {
        error_setg(errp, "Socket is already open");
        return -1;
    }

    sioc->fd = fd;
    sioc->remoteAddrLen = sizeof(sioc->remoteAddr);
    sioc->localAddrLen = sizeof(sioc->localAddr);


    if (getpeername(fd, (struct sockaddr *)&sioc->remoteAddr,
                    &sioc->remoteAddrLen) < 0) {
        if (errno == ENOTCONN) {
            memset(&sioc->remoteAddr, 0, sizeof(sioc->remoteAddr));
            sioc->remoteAddrLen = sizeof(sioc->remoteAddr);
        } else {
            error_setg_errno(errp, errno,
                             "Unable to query remote socket address");
            goto error;
        }
    }

    if (getsockname(fd, (struct sockaddr *)&sioc->localAddr,
                    &sioc->localAddrLen) < 0) {
        error_setg_errno(errp, errno,
                         "Unable to query local socket address");
        goto error;
    }

#ifndef WIN32
    if (sioc->localAddr.ss_family == AF_UNIX) {
        QIOChannel *ioc = QIO_CHANNEL(sioc);
        qio_channel_set_feature(ioc, QIO_CHANNEL_FEATURE_FD_PASS);
    }
#endif /* WIN32 */

    return 0;

 error:
    sioc->fd = -1; /* Let the caller close FD on failure */
    return -1;
}

Example #3

File: channel-websock.c Project: AmesianX/panda

QIOChannelWebsock *
qio_channel_websock_new_server(QIOChannel *master)
{
    QIOChannelWebsock *wioc;
    QIOChannel *ioc;

    wioc = QIO_CHANNEL_WEBSOCK(object_new(TYPE_QIO_CHANNEL_WEBSOCK));
    ioc = QIO_CHANNEL(wioc);

    wioc->master = master;
    if (qio_channel_has_feature(master, QIO_CHANNEL_FEATURE_SHUTDOWN)) {
        qio_channel_set_feature(ioc, QIO_CHANNEL_FEATURE_SHUTDOWN);
    }
    object_ref(OBJECT(master));

    trace_qio_channel_websock_new_server(wioc, master);
    return wioc;
}

Example #4

File: channel-socket.c Project: Icenowy/qemu

QIOChannelSocket *
qio_channel_socket_new(void)
{
    QIOChannelSocket *sioc;
    QIOChannel *ioc;

    sioc = QIO_CHANNEL_SOCKET(object_new(TYPE_QIO_CHANNEL_SOCKET));
    sioc->fd = -1;

    ioc = QIO_CHANNEL(sioc);
    qio_channel_set_feature(ioc, QIO_CHANNEL_FEATURE_SHUTDOWN);

#ifdef WIN32
    ioc->event = CreateEvent(NULL, FALSE, FALSE, NULL);
#endif

    trace_qio_channel_socket_new(sioc);

    return sioc;
}

Example #5

File: channel-socket.c Project: Icenowy/qemu

int qio_channel_socket_listen_sync(QIOChannelSocket *ioc,
                                   SocketAddress *addr,
                                   Error **errp)
{
    int fd;

    trace_qio_channel_socket_listen_sync(ioc, addr);
    fd = socket_listen(addr, errp);
    if (fd < 0) {
        trace_qio_channel_socket_listen_fail(ioc);
        return -1;
    }

    trace_qio_channel_socket_listen_complete(ioc, fd);
    if (qio_channel_socket_set_fd(ioc, fd, errp) < 0) {
        close(fd);
        return -1;
    }
    qio_channel_set_feature(QIO_CHANNEL(ioc), QIO_CHANNEL_FEATURE_LISTEN);

    return 0;
}