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-rw-r--r--src/network/networkd-dhcp4-bus.c77
1 files changed, 77 insertions, 0 deletions
diff --git a/src/network/networkd-dhcp4-bus.c b/src/network/networkd-dhcp4-bus.c
new file mode 100644
index 0000000..e00aa03
--- /dev/null
+++ b/src/network/networkd-dhcp4-bus.c
@@ -0,0 +1,77 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "sd-dhcp-client.h"
+
+#include "alloc-util.h"
+#include "bus-common-errors.h"
+#include "bus-util.h"
+#include "dhcp-client-internal.h"
+#include "networkd-dhcp4-bus.h"
+#include "networkd-link-bus.h"
+#include "networkd-manager.h"
+#include "string-table.h"
+#include "strv.h"
+
+static int property_get_dhcp_client_state(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ Link *l = ASSERT_PTR(userdata);
+ sd_dhcp_client *c;
+
+ assert(reply);
+
+ c = l->dhcp_client;
+ if (!c)
+ return sd_bus_message_append(reply, "s", "disabled");
+
+ return sd_bus_message_append(reply, "s", dhcp_state_to_string(dhcp_client_get_state(c)));
+}
+
+static int dhcp_client_emit_changed(Link *link, const char *property, ...) {
+ _cleanup_free_ char *path = NULL;
+ char **l;
+
+ assert(link);
+
+ if (sd_bus_is_ready(link->manager->bus) <= 0)
+ return 0;
+
+ path = link_bus_path(link);
+ if (!path)
+ return log_oom();
+
+ l = strv_from_stdarg_alloca(property);
+
+ return sd_bus_emit_properties_changed_strv(
+ link->manager->bus,
+ path,
+ "org.freedesktop.network1.DHCPv4Client",
+ l);
+}
+
+int dhcp_client_callback_bus(sd_dhcp_client *c, int event, void *userdata) {
+ Link *l = ASSERT_PTR(userdata);
+
+ return dhcp_client_emit_changed(l, "State", NULL);
+}
+
+static const sd_bus_vtable dhcp_client_vtable[] = {
+ SD_BUS_VTABLE_START(0),
+
+ SD_BUS_PROPERTY("State", "s", property_get_dhcp_client_state, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+
+ SD_BUS_VTABLE_END
+};
+
+const BusObjectImplementation dhcp_client_object = {
+ "/org/freedesktop/network1/link",
+ "org.freedesktop.network1.DHCPv4Client",
+ .fallback_vtables = BUS_FALLBACK_VTABLES({dhcp_client_vtable, link_object_find}),
+ .node_enumerator = link_node_enumerator,
+};