systemctl: log whenever a unit/job changes

[elogind.git] / systemctl.vala

diff --git a/systemctl.vala b/systemctl.vala
index 65ee0fe72f0f70e42b6ddfd47bc64196d3fe91e8..821be5a4f86e665114e8a65915d055e4a4759ec0 100644 (file)
--- a/systemctl.vala
+++ b/systemctl.vala
@@ -24,6 +24,7 @@ static string type = null;
 static bool all = false;
 static bool replace = false;
 static bool session = false;
+static Connection bus = null;
 
 public static int job_info_compare(void* key1, void* key2) {
         Manager.JobInfo *j1 = (Manager.JobInfo*) key1;
@@ -43,12 +44,40 @@ public static int unit_info_compare(void* key1, void* key2) {
         return Posix.strcmp(u1->id, u2->id);
 }
 
+public void on_unit_changed(Unit u) {
+        stdout.printf("Unit %s changed.\n", u.id);
+}
+
 public void on_unit_new(string id, ObjectPath path) {
         stdout.printf("Unit %s added.\n", id);
+
+        Unit u = bus.get_object(
+                        "org.freedesktop.systemd1",
+                        path,
+                        "org.freedesktop.systemd1.Unit") as Unit;
+
+        u.changed += on_unit_changed;
+
+        /* FIXME: We leak memory here */
+        u.ref();
+}
+
+public void on_job_changed(Job j) {
+        stdout.printf("Job %u changed.\n", j.id);
 }
 
 public void on_job_new(uint32 id, ObjectPath path) {
         stdout.printf("Job %u added.\n", id);
+
+        Job j = bus.get_object(
+                        "org.freedesktop.systemd1",
+                        path,
+                        "org.freedesktop.systemd1.Job") as Job;
+
+        j.changed += on_job_changed;
+
+        /* FIXME: We leak memory here */
+        j.ref();
 }
 
 public void on_unit_removed(string id, ObjectPath path) {
@@ -70,25 +99,28 @@ static const OptionEntry entries[] = {
 
 int main (string[] args) {
 
-        OptionContext context = new OptionContext("[OPTION...] [COMMAND [ARGUMENT...]]");
+        OptionContext context = new OptionContext("[COMMAND [ARGUMENT...]]");
         context.add_main_entries(entries, null);
         context.set_description(
                         "Commands:\n" +
-                        "  list-units          List units\n" +
-                        "  list-jobs           List jobs\n" +
-                        "  clear-jobs          Cancel all jobs\n" +
-                        "  load [NAME...]      Load one or more units\n" +
-                        "  cancel [JOB...]     Cancel one or more jobs\n" +
-                        "  start [NAME...]     Start on or more units\n" +
-                        "  stop [NAME...]      Stop on or more units\n" +
-                        "  enter [NAME]        Start one unit and stop all others\n" +
-                        "  restart [NAME...]   Restart on or more units\n" +
-                        "  reload [NAME...]    Reload on or more units\n" +
-                        "  monitor             Monitor unit/job changes\n" +
-                        "  dump                Dump servier status\n" +
-                        "  snapshot [NAME]     Create a snapshot\n" +
-                        "  daemon-reload       Reload daemon configuration\n" +
-                        "  daemon-reexecute    Reexecute daemon\n");
+                        "  list-units                      List units\n" +
+                        "  list-jobs                       List jobs\n" +
+                        "  clear-jobs                      Cancel all jobs\n" +
+                        "  load [NAME...]                  Load one or more units\n" +
+                        "  cancel [JOB...]                 Cancel one or more jobs\n" +
+                        "  start [NAME...]                 Start on or more units\n" +
+                        "  stop [NAME...]                  Stop on or more units\n" +
+                        "  enter [NAME]                    Start one unit and stop all others\n" +
+                        "  restart [NAME...]               Restart on or more units\n" +
+                        "  reload [NAME...]                Reload on or more units\n" +
+                        "  monitor                         Monitor unit/job changes\n" +
+                        "  dump                            Dump server status\n" +
+                        "  snapshot [NAME]                 Create a snapshot\n" +
+                        "  daemon-reload                   Reload daemon configuration\n" +
+                        "  daemon-reexecute                Reexecute daemon\n" +
+                        "  show-environment                Dump environment\n" +
+                        "  set-environment [NAME=VALUE...] Set one or more environment variables\n" +
+                        "  unset-environment [NAME...]     Unset one or more environment variables\n");
 
         try {
                 context.parse(ref args);
@@ -97,7 +129,7 @@ int main (string[] args) {
         }
 
         try {
-                Connection bus = Bus.get(session ? BusType.SESSION : BusType.SYSTEM);
+                bus = Bus.get(session ? BusType.SESSION : BusType.SYSTEM);
 
                 Manager manager = bus.get_object (
                                 "org.freedesktop.systemd1",
@@ -196,7 +228,7 @@ int main (string[] args) {
 
                         for (int i = 2; i < args.length; i++) {
 
-                                ObjectPath p = manager.get_unit(args[i]);
+                                ObjectPath p = manager.load_unit(args[i]);
 
                                 Unit u = bus.get_object(
                                                 "org.freedesktop.systemd1",
@@ -222,7 +254,7 @@ int main (string[] args) {
                                 return 1;
                         }
 
-                        ObjectPath p = manager.get_unit(args[2]);
+                        ObjectPath p = manager.load_unit(args[2]);
 
                         Unit u = bus.get_object(
                                         "org.freedesktop.systemd1",
@@ -245,6 +277,7 @@ int main (string[] args) {
 
                 } else if (args[1] == "dump")
                         stdout.puts(manager.dump());
+
                 else if (args[1] == "snapshot") {
 
                         ObjectPath p = manager.create_snapshot(args.length > 2 ? args[2] : "");
@@ -255,12 +288,26 @@ int main (string[] args) {
                                         "org.freedesktop.systemd1.Unit") as Unit;
 
                         stdout.printf("%s\n", u.id);
+
                 } else if (args[1] == "daemon-reload")
                         manager.reload();
+
                 else if (args[1] == "daemon-reexecute" || args[1] == "daemon-reexec")
                         manager.reexecute();
+
                 else if (args[1] == "daemon-exit")
                         manager.exit();
+
+                else if (args[1] == "show-environment") {
+                        foreach(var x in manager.environment)
+                                stderr.printf("%s\n", x);
+
+                } else if (args[1] == "set-environment")
+                        manager.set_environment(args[2:args.length]);
+
+                else if (args[1] == "unset-environment")
+                        manager.unset_environment(args[2:args.length]);
+
                 else {
                         stderr.printf("Unknown command %s.\n", args[1]);
                         return 1;