sd-dhcp-client/networkd: add transient hostname support

[elogind.git] / src / network / networkd.c

diff --git a/src/network/networkd.c b/src/network/networkd.c
index 769783000b1f4fb877606901e458f097f2a7fa80..00e9a5f3da6dbc42ed60687eb6206733bc94c61b 100644 (file)
--- a/src/network/networkd.c
+++ b/src/network/networkd.c
@@ -20,11 +20,12 @@
 ***/
 
 #include "sd-event.h"
+#include "sd-daemon.h"
 
 #include "networkd.h"
 
 int main(int argc, char *argv[]) {
-        _cleanup_manager_free_ Manager *m;
+        _cleanup_manager_free_ Manager *m = NULL;
         int r;
 
         log_set_target(LOG_TARGET_AUTO);
@@ -35,28 +36,67 @@ int main(int argc, char *argv[]) {
 
         if (argc != 1) {
                 log_error("This program takes no arguments.");
-                return EXIT_FAILURE;
+                r = -EINVAL;
+                goto out;
         }
 
         r = manager_new(&m);
-        if (r < 0)
-                return EXIT_FAILURE;
+        if (r < 0) {
+                log_error("Could not create manager: %s", strerror(-r));
+                goto out;
+        }
+
+        r = manager_load_config(m);
+        if (r < 0) {
+                log_error("Could not load configuration files: %s", strerror(-r));
+                goto out;
+        }
 
         r = manager_udev_listen(m);
-        if (r < 0)
-                return EXIT_FAILURE;
+        if (r < 0) {
+                log_error("Could not connect to udev: %s", strerror(-r));
+                goto out;
+        }
 
         r = manager_udev_enumerate_links(m);
-        if (r < 0)
-                return EXIT_FAILURE;
+        if (r < 0) {
+                log_error("Could not enumerate links: %s", strerror(-r));
+                goto out;
+        }
 
         r = manager_rtnl_listen(m);
-        if (r < 0)
-                return EXIT_FAILURE;
+        if (r < 0) {
+                log_error("Could not connect to rtnl: %s", strerror(-r));
+                goto out;
+        }
+
+        r = manager_bus_listen(m);
+        if (r < 0) {
+                log_error("Could not connect to system bus: %s", strerror(-r));
+                goto out;
+        }
+
+        /* write out empty resolv.conf to avoid a
+         * dangling symlink */
+        r = manager_update_resolv_conf(m);
+        if (r < 0) {
+                log_error("Could not create resolv.conf: %s", strerror(-r));
+                goto out;
+        }
+
+        sd_notify(false,
+                  "READY=1\n"
+                  "STATUS=Processing requests...");
 
         r = sd_event_loop(m->event);
-        if (r < 0)
-                return EXIT_FAILURE;
+        if (r < 0) {
+                log_error("Event loop failed: %s", strerror(-r));
+                goto out;
+        }
+
+out:
+        sd_notify(false,
+                  "STATUS=Shutting down...");
 
-        return  EXIT_SUCCESS;
+        return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
 }