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use std::cell::RefCell;
use std::rc::Rc;
use super::*;
use super::systemd_dbus::*;
type ListUnitTuple <'a> = (
& 'a str,
& 'a str,
& 'a str,
& 'a str,
& 'a str,
& 'a str,
DbusPath <'a>,
u32,
& 'a str,
DbusPath <'a>,
);
pub struct SystemdManager {
connection: Rc <RefCell <SystemdConnection>>,
}
impl SystemdManager {
pub fn new (
connection: Rc <RefCell <SystemdConnection>>,
) -> SystemdManager {
SystemdManager {
connection: connection,
}
}
pub fn list_units (
& self,
) -> Result <Vec <SystemdUnit>, String> {
let connection =
self.connection.borrow ();
let dbus_request =
DbusMessage::new_method_call (
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
"ListUnits",
).unwrap ();
let dbus_response =
connection.dbus_connection ().send_with_reply_and_block (
dbus_request,
2000,
).unwrap ();
let systemd_units: Vec <ListUnitTuple> =
dbus_response.get1 ().unwrap ();
Ok (systemd_units.into_iter ().map (|systemd_unit| {
let (
unit_name,
unit_description,
unit_load_state,
unit_active_state,
unit_sub_state,
unit_following_unit,
unit_object_path,
unit_job_id,
unit_job_type,
unit_job_object_path,
) = systemd_unit;
SystemdUnit::new (
self.connection.clone (),
unit_name.to_string (),
unit_description.to_string (),
SystemdLoadState::from (unit_load_state),
SystemdActiveState::from (unit_active_state),
SystemdSubState::from (unit_sub_state),
if unit_following_unit != "" {
Some (unit_following_unit.to_owned ())
} else { None },
unit_object_path.to_string (),
unit_job_id,
SystemdJobType::from (unit_job_type),
unit_job_object_path.to_string (),
)
}).collect ())
}
}