2016-08-22 16:13:19 +02:00
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/***
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This file is part of systemd.
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Copyright 2016 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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2017-04-06 00:50:13 +02:00
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#include "sd-bus.h"
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2016-08-22 16:13:19 +02:00
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#include "macro.h"
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static bool track_cb_called_x = false;
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static bool track_cb_called_y = false;
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static int track_cb_x(sd_bus_track *t, void *userdata) {
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log_error("TRACK CB X");
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assert_se(!track_cb_called_x);
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track_cb_called_x = true;
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/* This means b's name disappeared. Let's now disconnect, to make sure the track handling on disconnect works
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* as it should. */
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assert_se(shutdown(sd_bus_get_fd(sd_bus_track_get_bus(t)), SHUT_RDWR) >= 0);
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return 1;
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}
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static int track_cb_y(sd_bus_track *t, void *userdata) {
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int r;
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log_error("TRACK CB Y");
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assert_se(!track_cb_called_y);
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track_cb_called_y = true;
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/* We got disconnected, let's close everything */
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r = sd_event_exit(sd_bus_get_event(sd_bus_track_get_bus(t)), EXIT_SUCCESS);
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assert_se(r >= 0);
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return 0;
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}
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int main(int argc, char *argv[]) {
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_cleanup_(sd_event_unrefp) sd_event *event = NULL;
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_cleanup_(sd_bus_track_unrefp) sd_bus_track *x = NULL, *y = NULL;
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_cleanup_(sd_bus_unrefp) sd_bus *a = NULL, *b = NULL;
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const char *unique;
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int r;
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r = sd_event_default(&event);
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assert_se(r >= 0);
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2017-09-19 14:17:57 +02:00
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r = sd_bus_open_user(&a);
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2016-08-22 16:13:19 +02:00
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if (IN_SET(r, -ECONNREFUSED, -ENOENT)) {
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log_info("Failed to connect to bus, skipping tests.");
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return EXIT_TEST_SKIP;
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}
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assert_se(r >= 0);
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r = sd_bus_attach_event(a, event, SD_EVENT_PRIORITY_NORMAL);
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assert_se(r >= 0);
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2017-09-19 14:17:57 +02:00
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r = sd_bus_open_user(&b);
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2016-08-22 16:13:19 +02:00
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assert_se(r >= 0);
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r = sd_bus_attach_event(b, event, SD_EVENT_PRIORITY_NORMAL);
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assert_se(r >= 0);
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/* Watch b's name from a */
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r = sd_bus_track_new(a, &x, track_cb_x, NULL);
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assert_se(r >= 0);
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r = sd_bus_get_unique_name(b, &unique);
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assert_se(r >= 0);
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r = sd_bus_track_add_name(x, unique);
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assert_se(r >= 0);
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/* Watch's a's own name from a */
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r = sd_bus_track_new(a, &y, track_cb_y, NULL);
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assert_se(r >= 0);
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r = sd_bus_get_unique_name(a, &unique);
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assert_se(r >= 0);
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r = sd_bus_track_add_name(y, unique);
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assert_se(r >= 0);
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/* Now make b's name disappear */
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sd_bus_close(b);
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r = sd_event_loop(event);
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assert_se(r >= 0);
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assert_se(track_cb_called_x);
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assert_se(track_cb_called_y);
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return 0;
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}
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