C++ (Cpp) manager_process_link Examples

Example #1

File: networkd-manager.c Project: jumpstarter-io/systemd

int manager_udev_enumerate_links(Manager *m) {
        struct udev_list_entry *item = NULL, *first = NULL;
        struct udev_enumerate *e;
        int r;

        assert(m);

        e = udev_enumerate_new(m->udev);
        if (!e) {
                r = -ENOMEM;
                goto finish;
        }

        r = udev_enumerate_add_match_subsystem(e, "net");
        if (r < 0)
                goto finish;

        r = udev_enumerate_scan_devices(e);
        if (r < 0)
                goto finish;

        first = udev_enumerate_get_list_entry(e);
        udev_list_entry_foreach(item, first) {
                struct udev_device *d;
                int k;

                d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item));
                if (!d) {
                        r = -ENOMEM;
                        goto finish;
                }

                k = manager_process_link(m, d);
                udev_device_unref(d);

                if (k < 0)
                        r = k;
        }

finish:
        if (e)
                udev_enumerate_unref(e);

        return r;
}

Example #2

File: networkd-manager.c Project: jumpstarter-io/systemd

static int manager_dispatch_link_udev(sd_event_source *source, int fd, uint32_t revents, void *userdata) {
        Manager *m = userdata;
        struct udev_monitor *monitor = m->udev_monitor;
        struct udev_device *device;
        int r;

        device = udev_monitor_receive_device(monitor);
        if (!device)
                return -ENOMEM;

        r = manager_process_link(m, device);
        if (r < 0)
                return r;

        udev_device_unref(device);

        return 0;
}

Example #3

File: networkd-manager.c Project: wkennington/systemd

int manager_udev_enumerate_links(Manager *m) {
        _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
        struct udev_list_entry *item = NULL, *first = NULL;
        int r;

        assert(m);

        e = udev_enumerate_new(m->udev);
        if (!e)
                return -ENOMEM;

        r = udev_enumerate_add_match_subsystem(e, "net");
        if (r < 0)
                return r;

        /* udev does not initialize devices inside containers,
         * so we rely on them being already initialized before
         * entering the container */
        if (detect_container(NULL) <= 0) {
                r = udev_enumerate_add_match_is_initialized(e);
                if (r < 0)
                        return r;
        }

        r = udev_enumerate_scan_devices(e);
        if (r < 0)
                return r;

        first = udev_enumerate_get_list_entry(e);
        udev_list_entry_foreach(item, first) {
                _cleanup_udev_device_unref_ struct udev_device *d = NULL;
                int k;

                d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item));
                if (!d)
                        return -ENOMEM;

                k = manager_process_link(m, d);
                if (k < 0)
                        r = k;
        }

Example #4

File: networkd-manager.c Project: jaanek/systemd

int manager_udev_enumerate_links(Manager *m) {
        _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
        struct udev_list_entry *item = NULL, *first = NULL;
        int r;

        assert(m);

        e = udev_enumerate_new(m->udev);
        if (!e)
                return -ENOMEM;

        r = udev_enumerate_add_match_subsystem(e, "net");
        if (r < 0)
                return r;

        r = udev_enumerate_add_match_is_initialized(e);
        if (r < 0)
                return r;

        r = udev_enumerate_scan_devices(e);
        if (r < 0)
                return r;

        first = udev_enumerate_get_list_entry(e);
        udev_list_entry_foreach(item, first) {
                _cleanup_udev_device_unref_ struct udev_device *d = NULL;
                int k;

                d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item));
                if (!d)
                        return -ENOMEM;

                k = manager_process_link(m, d);
                if (k < 0)
                        r = k;
        }