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unit-name: introduce unit_dbus_path_from_name()

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Use the same function in core and in systemctl.
get_unit_path() in systemctl becomes unnecessary.
This commit is contained in:
Michal Schmidt 2012-06-13 18:22:08 +02:00
parent 1c291cf34c
commit 48899192a7
4 changed files with 21 additions and 85 deletions
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10
src/core/unit.c
View File

@ -1835,20 +1835,12 @@ int set_unit_path(const char *p) {
}
char *unit_dbus_path(Unit *u) {
char *p, *e;
assert(u);
if (!u->id)
return NULL;
if (!(e = bus_path_escape(u->id)))
return NULL;
p = strappend("/org/freedesktop/systemd1/unit/", e);
free(e);
return p;
return unit_dbus_path_from_name(u->id);
}
int unit_add_cgroup(Unit *u, CGroupBonding *b) {

13
src/shared/unit-name.c
View File

@ -458,3 +458,16 @@ char *unit_name_path_unescape(const char *f) {
return e;
}
char *unit_dbus_path_from_name(const char *name) {
char *e, *p;
e = bus_path_escape(name);
if (!e)
return NULL;
p = strappend("/org/freedesktop/systemd1/unit/", e);
free(e);
return p;
}

2
src/shared/unit-name.h
View File

@ -54,4 +54,6 @@ char *unit_name_from_path(const char *path, const char *suffix);
char *unit_name_from_path_instance(const char *prefix, const char *path, const char *suffix);
char *unit_name_to_path(const char *name);
char *unit_dbus_path_from_name(const char *name);
#endif

81
src/systemctl/systemctl.c
View File

@ -1500,75 +1500,6 @@ finish:
return r;
}
static int get_unit_path(
DBusConnection *bus,
const char *name,
char **unit_path) {
DBusError error;
DBusMessage *m = NULL, *reply = NULL;
char *path;
int r = 0;
assert(bus);
assert(name);
assert(unit_path);
dbus_error_init(&error);
m = dbus_message_new_method_call("org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
"GetUnit");
if (!m) {
log_error("Could not allocate message.");
r = -ENOMEM;
goto finish;
}
if (!dbus_message_append_args(m,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_INVALID)) {
log_error("Could not append arguments to message.");
r = -ENOMEM;
goto finish;
}
reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
if (!reply) {
if (streq(error.name, BUS_ERROR_NO_SUCH_UNIT))
r = -EINVAL;
else {
log_error("Failed to issue method call: %s", bus_error_message(&error));
r = -EIO;
}
goto finish;
}
if (!dbus_message_get_args(reply, &error,
DBUS_TYPE_OBJECT_PATH, &path,
DBUS_TYPE_INVALID)) {
log_error("Failed to parse reply: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
*unit_path = strdup(path);
if (!(*unit_path)) {
log_error("Failed to duplicate unit path");
r = -ENOMEM;
}
finish:
if (m)
dbus_message_unref(m);
if (reply)
dbus_message_unref(reply);
dbus_error_free(&error);
return r;
}
static int check_one_unit(DBusConnection *bus, char *name, bool quiet) {
DBusMessage *m = NULL, *reply = NULL;
DBusError error;
@ -1701,8 +1632,11 @@ static void check_triggering_units(
dbus_error_init(&error);
if (get_unit_path(bus, unit_name, &unit_path) < 0)
unit_path = unit_dbus_path_from_name(unit_name);
if (!unit_path) {
log_error("Could not allocate dbus path.");
goto finish;
}
m = dbus_message_new_method_call("org.freedesktop.systemd1",
unit_path,
@ -3306,12 +3240,7 @@ static int show(DBusConnection *bus, char **args) {
/* Interpret as unit name */
char *e, *p;
e = bus_path_escape(*name);
if (!e)
return -ENOMEM;
p = strappend("/org/freedesktop/systemd1/unit/", e);
free(e);
char *p = unit_dbus_path_from_name(*name);
if (!p)
return -ENOMEM;