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authorTom Gundersen <teg@jklm.no>2015-02-04 11:44:37 +0100
committerTom Gundersen <teg@jklm.no>2015-02-05 11:50:34 +0100
commite331e24649213f2e093e16e4d3d64ee823dfc375 (patch)
treed21fa218f79f2621d6d61f071e846cc6465458c1 /src/network/networkd-link-bus.c
parentnetworkd: don't warn about missing links unnecessarily (diff)
downloadsystemd-e331e24649213f2e093e16e4d3d64ee823dfc375.tar.xz
systemd-e331e24649213f2e093e16e4d3d64ee823dfc375.zip
networkd: add basic dbus API
Only the very basics, more to come. For now: $ busctl tree org.freedesktop.network1 └─/org/freedesktop/network1 └─/org/freedesktop/network1/link ├─/org/freedesktop/network1/link/1 ├─/org/freedesktop/network1/link/2 ├─/org/freedesktop/network1/link/3 ├─/org/freedesktop/network1/link/4 ├─/org/freedesktop/network1/link/5 ├─/org/freedesktop/network1/link/6 ├─/org/freedesktop/network1/link/7 ├─/org/freedesktop/network1/link/8 └─/org/freedesktop/network1/link/9 $ busctl introspect org.freedesktop.network1 /org/freedesktop/network1 NAME TYPE SIGNATURE RESULT/VALUE FLAGS org.freedesktop.network1.Manager interface - - - .OperationalState property s "carrier" emits-change $ busctl introspect org.freedesktop.network1 /org/freedesktop/network1/link/1 NAME TYPE SIGNATURE RESULT/VALUE FLAGS org.freedesktop.network1.Link interface - - - .AdministrativeState property s "unmanaged" emits-change .OperationalState property s "carrier" emits-change
Diffstat (limited to 'src/network/networkd-link-bus.c')
-rw-r--r--src/network/networkd-link-bus.c122
1 files changed, 122 insertions, 0 deletions
diff --git a/src/network/networkd-link-bus.c b/src/network/networkd-link-bus.c
new file mode 100644
index 0000000000..645c47ae8c
--- /dev/null
+++ b/src/network/networkd-link-bus.c
@@ -0,0 +1,122 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2015 Tom Gundersen
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "bus-util.h"
+#include "strv.h"
+
+#include "networkd.h"
+#include "networkd-link.h"
+
+static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_operational_state, link_operstate, LinkOperationalState);
+static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_administrative_state, link_state, LinkState);
+
+const sd_bus_vtable link_vtable[] = {
+ SD_BUS_VTABLE_START(0),
+
+ SD_BUS_PROPERTY("OperationalState", "s", property_get_operational_state, offsetof(Link, operstate), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("AdministrativeState", "s", property_get_administrative_state, offsetof(Link, state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+
+ SD_BUS_VTABLE_END
+};
+
+static char *link_bus_path(Link *link) {
+ char *p;
+
+ assert(link);
+ assert(link->ifindex > 0);
+
+ asprintf(&p, "/org/freedesktop/network1/link/%d", link->ifindex);
+
+ return p;
+}
+
+int link_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) {
+ _cleanup_strv_free_ char **l = NULL;
+ Manager *m = userdata;
+ Link *link;
+ Iterator i;
+ int r;
+
+ assert(bus);
+ assert(path);
+ assert(m);
+ assert(nodes);
+
+ HASHMAP_FOREACH(link, m->links, i) {
+ char *p;
+
+ p = link_bus_path(link);
+ if (!p)
+ return -ENOMEM;
+
+ r = strv_consume(&l, p);
+ if (r < 0)
+ return r;
+ }
+
+ *nodes = l;
+ l = NULL;
+
+ return 1;
+}
+
+int link_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
+ Manager *m = userdata;
+ Link *link;
+ int ifindex, r;
+
+ assert(bus);
+ assert(path);
+ assert(interface);
+ assert(m);
+ assert(found);
+
+ if (sscanf(path, "/org/freedesktop/network1/link/%d", &ifindex) != 1)
+ return 0;
+
+ r = link_get(m, ifindex, &link);
+ if (r < 0)
+ return 0;
+
+ *found = link;
+
+ return 1;
+}
+
+int link_send_changed(Link *link, const char *property, ...) {
+ _cleanup_free_ char *p = NULL;
+ char **l;
+
+ assert(link);
+ assert(link->manager);
+
+ l = strv_from_stdarg_alloca(property);
+
+ p = link_bus_path(link);
+ if (!p)
+ return -ENOMEM;
+
+ return sd_bus_emit_properties_changed_strv(
+ link->manager->bus,
+ p,
+ "org.freedesktop.network1.Link",
+ l);
+}