blob: 30c4a9bacd7a1578bed03024facf65ef73a8cd96 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
(*
* test_communication.ml
* ---------------------
* Copyright : (c) 2008, Jeremie Dimino <jeremie@dimino.org>
* Licence : BSD3
*
* This file is a part of obus, an ocaml implementation of D-Bus.
*)
(* Test the communication with a message bus *)
open Lwt
open Lwt_io
open OBus_message
(* number of message to generate *)
let test_count = 100
let name = "obus.test.communication"
let rec run_tests con = function
| 0 ->
return ()
| n ->
let message = Gen_random.message () in
let%lwt () = OBus_connection.send_message con {
message with
destination = name;
typ = Signal(["obus"; "test"], "obus.test", "test");
} in
run_tests con (n - 1)
let rec wait_for_name con =
OBus_bus.name_has_owner con name >>= function
| true -> return ()
| false -> let%lwt () = Lwt_unix.sleep 0.1 in wait_for_name con
let test () =
let%lwt () = Lwt_io.flush Lwt_io.stdout in
match Unix.fork () with
| 0 ->
let%lwt con = OBus_bus.session () in
let%lwt () = wait_for_name con in
let%lwt () = run_tests con test_count in
exit 0
| pid ->
let%lwt () = printlf "sending and receiving %d messages through the message bus." test_count in
let%lwt bus = OBus_bus.session () in
let%lwt _ = OBus_bus.request_name bus name in
let%lwt progress = Progress.make "received" test_count in
let waiter, wakener = wait () in
let count = ref 0 in
ignore (Lwt_sequence.add_r
(function
| { typ = Signal(["obus"; "test"], "obus.test", "test") } ->
ignore (Progress.incr progress);
incr count;
if !count = test_count then
wakeup wakener true;
None
| msg ->
Some msg)
(OBus_connection.incoming_filters bus));
let%lwt result = waiter in
let%lwt () = Progress.close progress in
let%lwt _ = Lwt_unix.waitpid [] pid in
return result
|
