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 0000000..0dbcd86
--- /dev/null
+++ b/src/network/networkd-link-bus.c
@@ -0,0 +1,122 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+
+#include "alloc-util.h"
+#include "bus-util.h"
+#include "networkd-link.h"
+#include "networkd-manager.h"
+#include "parse-util.h"
+#include "strv.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) {
+        _cleanup_free_ char *ifindex = NULL;
+        char *p;
+        int r;
+
+        assert(link);
+        assert(link->ifindex > 0);
+
+        if (asprintf(&ifindex, "%d", link->ifindex) < 0)
+                return NULL;
+
+        r = sd_bus_path_encode("/org/freedesktop/network1/link", ifindex, &p);
+        if (r < 0)
+                return NULL;
+
+        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;
+        unsigned c = 0;
+        Link *link;
+        Iterator i;
+
+        assert(bus);
+        assert(path);
+        assert(m);
+        assert(nodes);
+
+        l = new0(char*, hashmap_size(m->links) + 1);
+        if (!l)
+                return -ENOMEM;
+
+        HASHMAP_FOREACH(link, m->links, i) {
+                char *p;
+
+                p = link_bus_path(link);
+                if (!p)
+                        return -ENOMEM;
+
+                l[c++] = p;
+        }
+
+        l[c] = NULL;
+        *nodes = TAKE_PTR(l);
+
+        return 1;
+}
+
+int link_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
+        _cleanup_free_ char *identifier = NULL;
+        Manager *m = userdata;
+        Link *link;
+        int ifindex, r;
+
+        assert(bus);
+        assert(path);
+        assert(interface);
+        assert(m);
+        assert(found);
+
+        r = sd_bus_path_decode(path, "/org/freedesktop/network1/link", &identifier);
+        if (r <= 0)
+                return 0;
+
+        r = parse_ifindex(identifier, &ifindex);
+        if (r < 0)
+                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);
+
+        if (!link->manager->bus)
+                return 0; /* replace with assert when we have kdbus */
+
+        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);
+}