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Code

expose more properties

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This commit is contained in:
Lennart Poettering 2010-02-02 12:22:59 +01:00
parent 80c5385a83
commit 3813169516
3 changed files with 127 additions and 5 deletions
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102
dbus-unit.c
View File

@ -14,6 +14,12 @@ static const char introspection[] =
" <property name=\"Description\" type=\"s\" access=\"read\"/>"
" <property name=\"LoadState\" type=\"s\" access=\"read\"/>"
" <property name=\"ActiveState\" type=\"s\" access=\"read\"/>"
" <property name=\"LoadPath\" type=\"s\" access=\"read\"/>"
" <property name=\"ActiveEnterTimestamp\" type=\"t\" access=\"read\"/>"
" <property name=\"ActiveExitTimestamp\" type=\"t\" access=\"read\"/>"
" <property name=\"CanReload\" type=\"b\" access=\"read\"/>"
" <property name=\"CanStart\" type=\"b\" access=\"read\"/>"
" <property name=\"Job\" type=\"(uo)\" access=\"read\"/>"
" </interface>"
BUS_PROPERTIES_INTERFACE
BUS_INTROSPECTABLE_INTERFACE
@ -87,13 +93,101 @@ static int bus_unit_append_active_state(Manager *m, DBusMessageIter *i, const ch
return 0;
}
static int bus_unit_append_can_reload(Manager *m, DBusMessageIter *i, const char *property, void *data) {
Unit *u = data;
dbus_bool_t b;
assert(m);
assert(i);
assert(property);
assert(u);
b = unit_can_reload(u);
if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b))
return -ENOMEM;
return 0;
}
static int bus_unit_append_can_start(Manager *m, DBusMessageIter *i, const char *property, void *data) {
Unit *u = data;
dbus_bool_t b;
assert(m);
assert(i);
assert(property);
assert(u);
b = unit_can_start(u);
if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b))
return -ENOMEM;
return 0;
}
static int bus_unit_append_job(Manager *m, DBusMessageIter *i, const char *property, void *data) {
Unit *u = data;
DBusMessageIter sub;
char *p;
assert(m);
assert(i);
assert(property);
assert(u);
if (!dbus_message_iter_open_container(i, DBUS_TYPE_STRUCT, NULL, &sub))
return -ENOMEM;
if (u->meta.job) {
if (!(p = job_dbus_path(u->meta.job)))
return -ENOMEM;
if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_UINT32, &u->meta.job->id) ||
!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &p)) {
free(p);
return -ENOMEM;
}
} else {
uint32_t id = 0;
/* No job, so let's fill in some placeholder
* data. Since we need to fill in a valid path we
* simple point to ourselves. */
if (!(p = unit_dbus_path(u)))
return -ENOMEM;
if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_UINT32, &id) ||
!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &p)) {
free(p);
return -ENOMEM;
}
}
free(p);
if (!dbus_message_iter_close_container(i, &sub))
return -ENOMEM;
return 0;
}
static DBusHandlerResult bus_unit_message_dispatch(Unit *u, DBusMessage *message) {
const BusProperty properties[] = {
{ "org.freedesktop.systemd1.Unit", "Id", bus_unit_append_id, "s", u },
{ "org.freedesktop.systemd1.Unit", "Description", bus_unit_append_description, "s", u },
{ "org.freedesktop.systemd1.Unit", "LoadState", bus_unit_append_load_state, "s", u },
{ "org.freedesktop.systemd1.Unit", "ActiveState", bus_unit_append_active_state, "s", u },
{ "org.freedesktop.systemd1.Unit", "Id", bus_unit_append_id, "s", u },
{ "org.freedesktop.systemd1.Unit", "Description", bus_unit_append_description, "s", u },
{ "org.freedesktop.systemd1.Unit", "LoadState", bus_unit_append_load_state, "s", u },
{ "org.freedesktop.systemd1.Unit", "ActiveState", bus_unit_append_active_state, "s", u },
{ "org.freedesktop.systemd1.Unit", "LoadPath", bus_property_append_string, "s", u->meta.load_path },
{ "org.freedesktop.systemd1.Unit", "ActiveEnterTimestamp", bus_property_append_uint64, "t", &u->meta.active_enter_timestamp },
{ "org.freedesktop.systemd1.Unit", "ActiveExitTimestamp", bus_property_append_uint64, "t", &u->meta.active_exit_timestamp },
{ "org.freedesktop.systemd1.Unit", "CanReload", bus_unit_append_can_reload, "b", u },
{ "org.freedesktop.systemd1.Unit", "CanStart", bus_unit_append_can_start, "b", u },
{ "org.freedesktop.systemd1.Unit", "Job", bus_unit_append_job, "(us)", u, },
{ NULL, NULL, NULL, NULL, NULL }
};

28
dbus.c
View File

@ -561,7 +561,9 @@ int bus_property_append_string(Manager *m, DBusMessageIter *i, const char *prope
assert(m);
assert(i);
assert(property);
assert(t);
if (!t)
t = "";
if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t))
return -ENOMEM;
@ -606,3 +608,27 @@ int bus_property_append_bool(Manager *m, DBusMessageIter *i, const char *propert
return 0;
}
int bus_property_append_uint64(Manager *m, DBusMessageIter *i, const char *property, void *data) {
assert(m);
assert(i);
assert(property);
assert(data);
if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT64, data))
return -ENOMEM;
return 0;
}
int bus_property_append_uint32(Manager *m, DBusMessageIter *i, const char *property, void *data) {
assert(m);
assert(i);
assert(property);
assert(data);
if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT32, data))
return -ENOMEM;
return 0;
}

2
dbus.h
View File

@ -52,6 +52,8 @@ DBusHandlerResult bus_send_error_reply(Manager *m, DBusMessage *message, DBusErr
int bus_property_append_string(Manager *m, DBusMessageIter *i, const char *property, void *data);
int bus_property_append_strv(Manager *m, DBusMessageIter *i, const char *property, void *data);
int bus_property_append_bool(Manager *m, DBusMessageIter *i, const char *property, void *data);
int bus_property_append_uint32(Manager *m, DBusMessageIter *i, const char *property, void *data);
int bus_property_append_uint64(Manager *m, DBusMessageIter *i, const char *property, void *data);
extern const DBusObjectPathVTable bus_manager_vtable;
extern const DBusObjectPathVTable bus_job_vtable;