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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 02:25:50 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 02:25:50 +0000
commit19f4f86bfed21c5326ed2acebe1163f3a83e832b (patch)
treed59b9989ce55ed23693e80974d94c856f1c2c8b1 /src/libsystemd/sd-bus/test-bus-track.c
parentInitial commit. (diff)
downloadsystemd-19f4f86bfed21c5326ed2acebe1163f3a83e832b.tar.xz
systemd-19f4f86bfed21c5326ed2acebe1163f3a83e832b.zip
Adding upstream version 241.upstream/241upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/libsystemd/sd-bus/test-bus-track.c')
-rw-r--r--src/libsystemd/sd-bus/test-bus-track.c108
1 files changed, 108 insertions, 0 deletions
diff --git a/src/libsystemd/sd-bus/test-bus-track.c b/src/libsystemd/sd-bus/test-bus-track.c
new file mode 100644
index 0000000..68a0010
--- /dev/null
+++ b/src/libsystemd/sd-bus/test-bus-track.c
@@ -0,0 +1,108 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+
+#include <errno.h>
+#include <sys/socket.h>
+
+#include "sd-bus.h"
+
+#include "macro.h"
+#include "tests.h"
+
+static bool track_cb_called_x = false;
+static bool track_cb_called_y = false;
+
+static int track_cb_x(sd_bus_track *t, void *userdata) {
+
+ log_error("TRACK CB X");
+
+ assert_se(!track_cb_called_x);
+ track_cb_called_x = true;
+
+ /* This means b's name disappeared. Let's now disconnect, to make sure the track handling on disconnect works
+ * as it should. */
+
+ assert_se(shutdown(sd_bus_get_fd(sd_bus_track_get_bus(t)), SHUT_RDWR) >= 0);
+ return 1;
+}
+
+static int track_cb_y(sd_bus_track *t, void *userdata) {
+ int r;
+
+ log_error("TRACK CB Y");
+
+ assert_se(!track_cb_called_y);
+ track_cb_called_y = true;
+
+ /* We got disconnected, let's close everything */
+
+ r = sd_event_exit(sd_bus_get_event(sd_bus_track_get_bus(t)), EXIT_SUCCESS);
+ assert_se(r >= 0);
+
+ return 0;
+}
+
+int main(int argc, char *argv[]) {
+ _cleanup_(sd_event_unrefp) sd_event *event = NULL;
+ _cleanup_(sd_bus_track_unrefp) sd_bus_track *x = NULL, *y = NULL;
+ _cleanup_(sd_bus_unrefp) sd_bus *a = NULL, *b = NULL;
+ bool use_system_bus = false;
+ const char *unique;
+ int r;
+
+ test_setup_logging(LOG_INFO);
+
+ r = sd_event_default(&event);
+ assert_se(r >= 0);
+
+ r = sd_bus_open_user(&a);
+ if (IN_SET(r, -ECONNREFUSED, -ENOENT)) {
+ r = sd_bus_open_system(&a);
+ if (IN_SET(r, -ECONNREFUSED, -ENOENT))
+ return log_tests_skipped("Failed to connect to bus");
+ use_system_bus = true;
+ }
+ assert_se(r >= 0);
+
+ r = sd_bus_attach_event(a, event, SD_EVENT_PRIORITY_NORMAL);
+ assert_se(r >= 0);
+
+ if (use_system_bus)
+ r = sd_bus_open_system(&b);
+ else
+ r = sd_bus_open_user(&b);
+ assert_se(r >= 0);
+
+ r = sd_bus_attach_event(b, event, SD_EVENT_PRIORITY_NORMAL);
+ assert_se(r >= 0);
+
+ /* Watch b's name from a */
+ r = sd_bus_track_new(a, &x, track_cb_x, NULL);
+ assert_se(r >= 0);
+
+ r = sd_bus_get_unique_name(b, &unique);
+ assert_se(r >= 0);
+
+ r = sd_bus_track_add_name(x, unique);
+ assert_se(r >= 0);
+
+ /* Watch's a's own name from a */
+ r = sd_bus_track_new(a, &y, track_cb_y, NULL);
+ assert_se(r >= 0);
+
+ r = sd_bus_get_unique_name(a, &unique);
+ assert_se(r >= 0);
+
+ r = sd_bus_track_add_name(y, unique);
+ assert_se(r >= 0);
+
+ /* Now make b's name disappear */
+ sd_bus_close(b);
+
+ r = sd_event_loop(event);
+ assert_se(r >= 0);
+
+ assert_se(track_cb_called_x);
+ assert_se(track_cb_called_y);
+
+ return 0;
+}