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author | Tom Gundersen <teg@jklm.no> | 2015-02-04 11:44:37 +0100 |
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committer | Tom Gundersen <teg@jklm.no> | 2015-02-05 11:50:34 +0100 |
commit | e331e24649213f2e093e16e4d3d64ee823dfc375 (patch) | |
tree | d21fa218f79f2621d6d61f071e846cc6465458c1 /src/network/networkd-link-bus.c | |
parent | networkd: don't warn about missing links unnecessarily (diff) | |
download | systemd-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.c | 122 |
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); +} |