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authorVáclav Pavlín <vpavlin@redhat.com>2013-05-28 11:05:48 +0200
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2013-05-30 20:44:41 -0400
commit99504dd4c13af7516a976fffc0f68e6f26d3faac (patch)
treeb0650f8436617bb48701353f28310ac7f9a62de9 /src/systemctl/systemctl.c
parent9749cd77bc6121a304a7f1eb0f03f26e620dc9da (diff)
systemctl: add commands set-default and get-default
systemctl set-default NAME links the default.target to the given unit, get-default prints out the path to the currently set default target.
Diffstat (limited to 'src/systemctl/systemctl.c')
-rw-r--r--src/systemctl/systemctl.c65
1 files changed, 64 insertions, 1 deletions
diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
index f8573d315c..56021a6889 100644
--- a/src/systemctl/systemctl.c
+++ b/src/systemctl/systemctl.c
@@ -1177,6 +1177,59 @@ static int list_dependencies(DBusConnection *bus, char **args) {
return list_dependencies_one(bus, u, 0, &units, 0);
}
+static int get_default(DBusConnection *bus, char **args) {
+ char *path = NULL;
+ _cleanup_dbus_message_unref_ DBusMessage *m = NULL, *reply = NULL;
+ int r;
+ _cleanup_dbus_error_free_ DBusError error;
+
+ dbus_error_init(&error);
+
+ if (!bus || avoid_bus()) {
+ r = unit_file_get_default(arg_scope, arg_root, &path);
+
+ if (r < 0) {
+ log_error("Operation failed: %s", strerror(-r));
+ goto finish;
+ }
+
+ r = 0;
+ } else {
+ r = bus_method_call_with_reply(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "GetDefaultTarget",
+ &reply,
+ NULL,
+ DBUS_TYPE_INVALID);
+
+ if (r < 0) {
+ log_error("Operation failed: %s", strerror(-r));
+ goto finish;
+ }
+
+ if (!dbus_message_get_args(reply, &error,
+ DBUS_TYPE_STRING, &path,
+ DBUS_TYPE_INVALID)) {
+ log_error("Failed to parse reply: %s", bus_error_message(&error));
+ dbus_error_free(&error);
+ return -EIO;
+ }
+ }
+
+ if (path)
+ printf("%s\n", path);
+
+finish:
+ if ((!bus || avoid_bus()) && path)
+ free(path);
+
+ return r;
+
+}
+
struct job_info {
uint32_t id;
char *name, *type, *state;
@@ -4243,6 +4296,8 @@ static int enable_unit(DBusConnection *bus, char **args) {
r = unit_file_mask(arg_scope, arg_runtime, arg_root, mangled_names, arg_force, &changes, &n_changes);
else if (streq(verb, "unmask"))
r = unit_file_unmask(arg_scope, arg_runtime, arg_root, mangled_names, &changes, &n_changes);
+ else if (streq(verb, "set-default"))
+ r = unit_file_set_default(arg_scope, arg_root, args[1], &changes, &n_changes);
else
assert_not_reached("Unknown verb");
@@ -4286,6 +4341,8 @@ static int enable_unit(DBusConnection *bus, char **args) {
else if (streq(verb, "unmask")) {
method = "UnmaskUnitFiles";
send_force = false;
+ } else if (streq(verb, "set-default")) {
+ method = "SetDefaultTarget";
} else
assert_not_reached("Unknown verb");
@@ -4585,6 +4642,8 @@ static int systemctl_help(void) {
" unmask [NAME...] Unmask one or more units\n"
" link [PATH...] Link one or more units files into\n"
" the search path\n"
+ " get-default Get the name of the default target\n"
+ " set-default NAME Set the default target\n"
" is-enabled [NAME...] Check whether unit files are enabled\n\n"
"Job Commands:\n"
" list-jobs List jobs\n"
@@ -5646,6 +5705,8 @@ static int systemctl_main(DBusConnection *bus, int argc, char *argv[], DBusError
{ "link", MORE, 2, enable_unit },
{ "switch-root", MORE, 2, switch_root },
{ "list-dependencies", LESS, 2, list_dependencies },
+ { "set-default", EQUAL, 2, enable_unit },
+ { "get-default", LESS, 1, get_default },
};
int left;
@@ -5717,7 +5778,9 @@ static int systemctl_main(DBusConnection *bus, int argc, char *argv[], DBusError
!streq(verbs[i].verb, "preset") &&
!streq(verbs[i].verb, "mask") &&
!streq(verbs[i].verb, "unmask") &&
- !streq(verbs[i].verb, "link")) {
+ !streq(verbs[i].verb, "link") &&
+ !streq(verbs[i].verb, "set-default") &&
+ !streq(verbs[i].verb, "get-default")) {
if (running_in_chroot() > 0) {
log_info("Running in chroot, ignoring request.");