diff options
Diffstat (limited to 'src/libsystemd/sd-bus/test-bus-track.c')
| -rw-r--r-- | src/libsystemd/sd-bus/test-bus-track.c | 151 |
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; +} |