141 lines
3.9 KiB
C
141 lines
3.9 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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/***
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This file is part of systemd.
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Copyright 2015 Tom Gundersen
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include "alloc-util.h"
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#include "bus-util.h"
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#include "networkd-link.h"
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#include "networkd-manager.h"
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#include "parse-util.h"
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#include "strv.h"
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static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_operational_state, link_operstate, LinkOperationalState);
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static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_administrative_state, link_state, LinkState);
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const sd_bus_vtable link_vtable[] = {
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SD_BUS_VTABLE_START(0),
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SD_BUS_PROPERTY("OperationalState", "s", property_get_operational_state, offsetof(Link, operstate), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
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SD_BUS_PROPERTY("AdministrativeState", "s", property_get_administrative_state, offsetof(Link, state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
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SD_BUS_VTABLE_END
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};
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static char *link_bus_path(Link *link) {
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_cleanup_free_ char *ifindex = NULL;
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char *p;
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int r;
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assert(link);
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assert(link->ifindex > 0);
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if (asprintf(&ifindex, "%d", link->ifindex) < 0)
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return NULL;
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r = sd_bus_path_encode("/org/freedesktop/network1/link", ifindex, &p);
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if (r < 0)
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return NULL;
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return p;
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}
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int link_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) {
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_cleanup_strv_free_ char **l = NULL;
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Manager *m = userdata;
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unsigned c = 0;
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Link *link;
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Iterator i;
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assert(bus);
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assert(path);
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assert(m);
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assert(nodes);
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l = new0(char*, hashmap_size(m->links) + 1);
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if (!l)
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return -ENOMEM;
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HASHMAP_FOREACH(link, m->links, i) {
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char *p;
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p = link_bus_path(link);
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if (!p)
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return -ENOMEM;
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l[c++] = p;
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}
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l[c] = NULL;
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*nodes = TAKE_PTR(l);
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return 1;
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}
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int link_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
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_cleanup_free_ char *identifier = NULL;
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Manager *m = userdata;
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Link *link;
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int ifindex, r;
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assert(bus);
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assert(path);
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assert(interface);
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assert(m);
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assert(found);
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r = sd_bus_path_decode(path, "/org/freedesktop/network1/link", &identifier);
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if (r <= 0)
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return 0;
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r = parse_ifindex(identifier, &ifindex);
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if (r < 0)
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return 0;
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r = link_get(m, ifindex, &link);
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if (r < 0)
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return 0;
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*found = link;
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return 1;
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}
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int link_send_changed(Link *link, const char *property, ...) {
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_cleanup_free_ char *p = NULL;
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char **l;
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assert(link);
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assert(link->manager);
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if (!link->manager->bus)
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return 0; /* replace with assert when we have kdbus */
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l = strv_from_stdarg_alloca(property);
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p = link_bus_path(link);
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if (!p)
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return -ENOMEM;
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return sd_bus_emit_properties_changed_strv(
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link->manager->bus,
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p,
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"org.freedesktop.network1.Link",
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l);
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}
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