Adding upstream version 255.4.upstream/255.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 151 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..5604e84
--- /dev/null
+++ b/src/libsystemd/sd-bus/test-bus-track.c
@@ -0,0 +1,151 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#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 bool track_destroy_called_z = 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) {
+
+        log_error("TRACK CB Y");
+
+        assert_se(!track_cb_called_y);
+        track_cb_called_y = true;
+
+        /* We got disconnected, let's close everything */
+
+        assert_se(sd_event_exit(sd_bus_get_event(sd_bus_track_get_bus(t)), EXIT_SUCCESS) >= 0);
+
+        return 0;
+}
+
+static int track_cb_z(sd_bus_track *t, void *userdata) {
+        assert_not_reached();
+}
+
+static void track_destroy_z(void *userdata) {
+        track_destroy_called_z = true;
+}
+
+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, *z = 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);
+
+        assert_se(sd_event_default(&event) >= 0);
+
+        r = sd_bus_open_user(&a);
+        if (IN_SET(r, -ECONNREFUSED, -ENOENT, -ENOMEDIUM)) {
+                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);
+
+        assert_se(sd_bus_attach_event(a, event, SD_EVENT_PRIORITY_NORMAL) >= 0);
+
+        if (use_system_bus)
+                assert_se(sd_bus_open_system(&b) >= 0);
+        else
+                assert_se(sd_bus_open_user(&b) >= 0);
+
+        assert_se(sd_bus_attach_event(b, event, SD_EVENT_PRIORITY_NORMAL) >= 0);
+
+        /* Watch b's name from a */
+        assert_se(sd_bus_track_new(a, &x, track_cb_x, NULL) >= 0);
+
+        assert_se(sd_bus_get_unique_name(b, &unique) >= 0);
+
+        assert_se(sd_bus_track_add_name(x, unique) >= 0);
+
+        /* Watch's a's own name from a */
+        assert_se(sd_bus_track_new(a, &y, track_cb_y, NULL) >= 0);
+
+        assert_se(sd_bus_get_unique_name(a, &unique) >= 0);
+
+        assert_se(sd_bus_track_add_name(y, unique) >= 0);
+
+        /* Basic tests. */
+        assert_se(sd_bus_track_new(a, &z, track_cb_z, NULL) >= 0);
+
+        /* non-recursive case */
+        assert_se(sd_bus_track_set_recursive(z, false) >= 0);
+        assert_se(sd_bus_track_get_recursive(z) == 0);
+        assert_se(!sd_bus_track_contains(z, unique));
+        assert_se(sd_bus_track_count_name(z, unique) == 0);
+        assert_se(sd_bus_track_remove_name(z, unique) == 0);
+        assert_se(sd_bus_track_add_name(z, unique) >= 0);
+        assert_se(sd_bus_track_add_name(z, unique) >= 0);
+        assert_se(sd_bus_track_add_name(z, unique) >= 0);
+        assert_se(sd_bus_track_set_recursive(z, true) == -EBUSY);
+        assert_se(sd_bus_track_contains(z, unique));
+        assert_se(sd_bus_track_count_name(z, unique) == 1);
+        assert_se(sd_bus_track_remove_name(z, unique) == 1);
+        assert_se(!sd_bus_track_contains(z, unique));
+        assert_se(sd_bus_track_count_name(z, unique) == 0);
+        assert_se(sd_bus_track_remove_name(z, unique) == 0);
+
+        /* recursive case */
+        assert_se(sd_bus_track_set_recursive(z, true) >= 0);
+        assert_se(sd_bus_track_get_recursive(z) == 1);
+        assert_se(!sd_bus_track_contains(z, unique));
+        assert_se(sd_bus_track_count_name(z, unique) == 0);
+        assert_se(sd_bus_track_remove_name(z, unique) == 0);
+        assert_se(sd_bus_track_add_name(z, unique) >= 0);
+        assert_se(sd_bus_track_add_name(z, unique) >= 0);
+        assert_se(sd_bus_track_add_name(z, unique) >= 0);
+        assert_se(sd_bus_track_set_recursive(z, false) == -EBUSY);
+        assert_se(sd_bus_track_contains(z, unique));
+        assert_se(sd_bus_track_count_name(z, unique) == 3);
+        assert_se(sd_bus_track_remove_name(z, unique) == 1);
+        assert_se(sd_bus_track_contains(z, unique));
+        assert_se(sd_bus_track_count_name(z, unique) == 2);
+        assert_se(sd_bus_track_remove_name(z, unique) == 1);
+        assert_se(sd_bus_track_contains(z, unique));
+        assert_se(sd_bus_track_count_name(z, unique) == 1);
+        assert_se(sd_bus_track_remove_name(z, unique) == 1);
+        assert_se(!sd_bus_track_contains(z, unique));
+        assert_se(sd_bus_track_count_name(z, unique) == 0);
+        assert_se(sd_bus_track_remove_name(z, unique) == 0);
+
+        assert_se(sd_bus_track_set_destroy_callback(z, track_destroy_z) >= 0);
+        z = sd_bus_track_unref(z);
+        assert_se(track_destroy_called_z);
+
+        /* Now make b's name disappear */
+        sd_bus_close(b);
+
+        assert_se(sd_event_loop(event) >= 0);
+
+        assert_se(track_cb_called_x);
+        assert_se(track_cb_called_y);
+
+        return 0;
+}