networkd: add basic org.freedesktop.network1.Network interface

Makefile.am

@@ -5589,6 +5589,7 @@ libsystemd_networkd_core_la_SOURCES = \
 	src/network/networkd-dhcp4.c \
 	src/network/networkd-dhcp6.c \
 	src/network/networkd-network.c \
+	src/network/networkd-network-bus.c \
 	src/network/networkd-address.c \
 	src/network/networkd-route.c \
 	src/network/networkd-manager.c \

src/network/networkd-manager.c

@@ -174,6 +174,14 @@ int manager_connect_bus(Manager *m) {
         if (r < 0)
                 return log_error_errno(r, "Failed to add link enumerator: %m");
 
+        r = sd_bus_add_fallback_vtable(m->bus, NULL, "/org/freedesktop/network1/network", "org.freedesktop.network1.Network", network_vtable, network_object_find, m);
+        if (r < 0)
+               return log_error_errno(r, "Failed to add network object vtable: %m");
+
+        r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/network1/network", network_node_enumerator, m);
+        if (r < 0)
+                return log_error_errno(r, "Failed to add network enumerator: %m");
+
         r = sd_bus_request_name(m->bus, "org.freedesktop.network1", 0);
         if (r < 0)
                 return log_error_errno(r, "Failed to register name: %m");

src/network/networkd-network-bus.c

@@ -0,0 +1,128 @@
+/*-*- 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 "bus-label.h"
+#include "strv.h"
+
+#include "networkd.h"
+
+const sd_bus_vtable network_vtable[] = {
+        SD_BUS_VTABLE_START(0),
+
+        SD_BUS_PROPERTY("Description", "s", NULL, offsetof(Network, description), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("SourcePath", "s", NULL, offsetof(Network, filename), SD_BUS_VTABLE_PROPERTY_CONST),
+/*        SD_BUS_PROPERTY("MatchMAC", "s", NULL TODO, offsetof(Network, match_mac), SD_BUS_VTABLE_PROPERTY_CONST), */
+        SD_BUS_PROPERTY("MatchPath", "s", NULL, offsetof(Network, match_path), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("MatchDriver", "s", NULL, offsetof(Network, match_driver), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("MatchType", "s", NULL, offsetof(Network, match_type), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("MatchName", "s", NULL, offsetof(Network, match_name), SD_BUS_VTABLE_PROPERTY_CONST),
+
+        SD_BUS_VTABLE_END
+};
+
+static char *network_bus_path(Network *network) {
+        _cleanup_free_ char *e = NULL;
+        _cleanup_free_ char *name = NULL;
+        char *networkname;
+        char *d;
+
+        assert(network);
+        assert(network->filename);
+
+        name = strdup(network->filename);
+        if (!name)
+                return NULL;
+
+        networkname = basename(name);
+
+        d = strrchr(networkname, '.');
+        if (!d)
+                return NULL;
+
+        assert(streq(d, ".network"));
+
+        *d = '\0';
+
+        e = bus_label_escape(networkname);
+        if (!e)
+                return NULL;
+
+        return strappend("/org/freedesktop/network1/network/", e);
+}
+
+int network_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;
+        Network *network;
+        int r;
+
+        assert(bus);
+        assert(path);
+        assert(m);
+        assert(nodes);
+
+        LIST_FOREACH(networks, network, m->networks) {
+                char *p;
+
+                p = network_bus_path(network);
+                if (!p)
+                        return -ENOMEM;
+
+                r = strv_consume(&l, p);
+                if (r < 0)
+                        return r;
+        }
+
+        *nodes = l;
+        l = NULL;
+
+        return 1;
+}
+
+int network_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
+        Manager *m = userdata;
+        Network *network;
+        _cleanup_free_ char *name = NULL;
+        _cleanup_free_ char *e = NULL;
+        int r;
+
+        assert(bus);
+        assert(path);
+        assert(interface);
+        assert(m);
+        assert(found);
+
+        if (sscanf(path, "/org/freedesktop/network1/network/%ms", &name) != 1)
+                return 0;
+
+        e = bus_label_unescape(name);
+        if (!e)
+                return -ENOMEM;
+
+        r = network_get_by_name(m, e, &network);
+        if (r < 0)
+                return 0;
+
+        *found = network;
+
+        return 1;
+}

src/network/networkd.h

@@ -104,7 +104,6 @@ struct Network {
         char *match_driver;
         char *match_type;
         char *match_name;
-        char *dhcp_vendor_class_identifier;
 
         Condition *match_host;
         Condition *match_virt;
@@ -116,6 +115,7 @@ struct Network {
         NetDev *bond;
         Hashmap *stacked_netdevs;
         AddressFamilyBoolean dhcp;
+        char *dhcp_vendor_class_identifier;
         bool dhcp_dns;
         bool dhcp_ntp;
         bool dhcp_mtu;
@@ -321,6 +321,11 @@ int config_parse_vxlan_group_address(const char *unit,
                                      void *data,
                                      void *userdata);
 
+extern const sd_bus_vtable network_vtable[];
+
+int network_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error);
+int network_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error);
+
 /* gperf */
 const struct ConfigPerfItem* network_network_gperf_lookup(const char *key, unsigned length);