1 use std::time::Duration;
2
3 use dbus::blocking::Connection;
4 use dbus::channel::MatchingReceiver;
5 use dbus::Message;
6 use dbus::message::MatchRule;
7
8 // This programs implements the equivalent of running the "dbus-monitor" tool
main()9 fn main() {
10 // First open up a connection to the session bus.
11 let conn = Connection::new_session().expect("D-Bus connection failed");
12
13 // Second create a rule to match messages we want to receive; in this example we add no
14 // further requirements, so all messages will match
15 let mut rule = MatchRule::new();
16
17 // Try matching using new scheme
18 let proxy = conn.with_proxy("org.freedesktop.DBus", "/org/freedesktop/DBus", Duration::from_millis(5000));
19 let result: Result<(), dbus::Error> = proxy.method_call("org.freedesktop.DBus.Monitoring", "BecomeMonitor", (vec!(rule.match_str()), 0u32));
20
21 if result.is_ok() {
22 // Start matching using new scheme
23 conn.start_receive(rule, Box::new(|msg, _| {
24 handle_message(&msg);
25 true
26 }));
27 } else {
28 // Start matching using old scheme
29 rule.eavesdrop = true; // this lets us eavesdrop on *all* session messages, not just ours
30 conn.add_match(rule, |_: (), _, msg| {
31 handle_message(&msg);
32 true
33 }).expect("add_match failed");
34 }
35
36 // Loop and print out all messages received (using handle_message()) as they come.
37 // Some can be quite large, e.g. if they contain embedded images..
38 loop { conn.process(Duration::from_millis(1000)).unwrap(); };
39 }
40
handle_message(msg: &Message)41 fn handle_message(msg: &Message) {
42 println!("Got message: {:?}", msg);
43 }
44