void DbusApiInit(int sock) { fd = sock; sd_event_source *busSource = NULL; sd_bus_slot *slot = NULL; int ret = sd_event_default(&event); char tmp = '0'; read(fd, &tmp, sizeof(char)); ret = sd_bus_open_system(&bus); ret = sd_bus_add_object_vtable(bus, &slot, "/org/watchdogd1", "org.watchdogd1", watchdogPmon, NULL); ret = sd_bus_request_name(bus, "org.watchdogd1", 0); if (ret < 0) { ReloadDbusDaemon(); ret = sd_bus_request_name(bus, "org.watchdogd1", 0); } sd_event_add_io(event, &busSource, sd_bus_get_fd(bus), EPOLLIN, BusHandler, NULL); sd_event_loop(event); }
static int connect_bus(Context *c, sd_event *event, sd_bus **_bus) { _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; int r; assert(c); assert(event); assert(_bus); r = sd_bus_default_system(&bus); if (r < 0) return log_error_errno(r, "Failed to get system bus connection: %m"); r = sd_bus_add_object_vtable(bus, NULL, "/org/freedesktop/hostname1", "org.freedesktop.hostname1", hostname_vtable, c); if (r < 0) return log_error_errno(r, "Failed to register object: %m"); r = sd_bus_request_name(bus, "org.freedesktop.hostname1", 0); if (r < 0) return log_error_errno(r, "Failed to register name: %m"); r = sd_bus_attach_event(bus, event, 0); if (r < 0) return log_error_errno(r, "Failed to attach bus to event loop: %m"); *_bus = bus; bus = NULL; return 0; }
/* create the service */ int afb_api_dbus_add_server(const char *path) { int rc; struct api_dbus *api; /* get the dbus api object connected */ api = make_api_dbus(path); if (api == NULL) goto error; /* request the service object name */ rc = sd_bus_request_name(api->sdbus, api->name, 0); if (rc < 0) { errno = -rc; ERROR("can't register name %s", api->name); goto error2; } /* connect the service to the dbus object */ rc = sd_bus_add_object(api->sdbus, &api->slot, api->path, api_dbus_server_on_object_called, api); if (rc < 0) { errno = -rc; ERROR("can't add dbus object %s for %s", api->path, api->name); goto error3; } INFO("afb service over dbus installed, name %s, path %s", api->name, api->path); ctxClientEventListenerAdd(NULL, (struct afb_event_listener){ .itf = &evitf, .closure = api });
//------------------------------------------------------ // Called by IPMID as part of the start up // ----------------------------------------------------- int start_host_service(sd_bus *bus, sd_bus_slot *slot) { int rc = 0; /* Install the object */ rc = sd_bus_add_object_vtable(bus, &slot, "/org/openbmc/HostServices", /* object path */ "org.openbmc.HostServices", /* interface name */ host_services_vtable, NULL); if (rc < 0) { fprintf(stderr, "Failed to issue method call: %s\n", strerror(-rc)); } else { /* Take one in OpenBmc */ rc = sd_bus_request_name(bus, "org.openbmc.HostServices", 0); if (rc < 0) { fprintf(stderr, "Failed to acquire service name: %s\n", strerror(-rc)); } } return rc < 0 ? EXIT_FAILURE : EXIT_SUCCESS; }
int kirstu_dbus_init(void) { int r = sd_bus_default_user(&bus); if (r < 0) { fprintf(stderr, "Failed to connect to system bus: %s\n", strerror(-r)); exit(EXIT_FAILURE); } r = sd_bus_add_object_vtable(bus, &slot, "/org/freedesktop/Notifications", "org.freedesktop.Notifications", vtable, NULL); if (r < 0) { fprintf(stderr, "Failed to issue method call: %s\n", strerror(-r)); exit(EXIT_FAILURE); } r = sd_bus_request_name(bus, "org.freedesktop.Notifications", 0); if (r < 0) { fprintf(stderr, "Failed to acquire service name: %s\n", strerror(-r)); exit(EXIT_FAILURE); } return sd_bus_get_fd(bus); }
/* * This is the main loop of the d-bus service. It won't exit until * quit_dbus_main_loop() is called. * * It is should be invoked as the startup function of a thread or the caller * should not expect it to return. */ void * multipath_main_loop(void * ap) { sd_bus_slot *slot = NULL; sd_bus *bus = NULL; int r; /* Connect to the user bus this time */ r = sd_bus_open_user(&bus); if (r < 0) { fprintf(stderr, "Failed to connect to system bus: %s\n", strerror(-r)); goto finish; } sync_maps(bus, slot); /* Take a well-known service name so that clients can find us */ r = sd_bus_request_name(bus, MULTIPATH_BASE_INTERFACE, 0); if (r < 0) { fprintf(stderr, "Failed to acquire service name: %s\n", strerror(-r)); goto finish; } for (;;) { /* Process requests */ r = sd_bus_process(bus, NULL); if (r < 0) { fprintf(stderr, "Failed to process bus: %s\n", strerror(-r)); goto finish; } if (r > 0) /* we processed a request, try to process another one, right-away */ continue; /* Wait for the next request to process */ r = sd_bus_wait(bus, (uint64_t) - 1); if (r < 0) { fprintf(stderr, "Failed to wait on bus: %s\n", strerror(-r)); goto finish; } } finish: sd_bus_slot_unref(slot); sd_bus_unref(bus); return NULL; }
static int ipmi_dbus_setup(struct ipmi_intf *intf) { const char *name; int rc; rc = sd_bus_default(&bus); if (rc < 0) { lprintf(LOG_ERR, "Can't connect to session bus: %s\n", strerror(-rc)); return -1; } sd_bus_add_object_vtable(bus, NULL, object_path, interface, dbus_vtable, NULL); sd_bus_request_name(bus, bus_name, SD_BUS_NAME_REPLACE_EXISTING); sd_bus_flush(bus); sd_bus_get_unique_name(bus, &name); intf->opened = 1; return 0; }
static int manager_connect_bus(Manager *m) { _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; int r; assert(m); assert(!m->bus); r = sd_bus_default_system(&m->bus); if (r < 0) return log_error_errno(r, "Failed to connect to system bus: %m"); r = sd_bus_add_object_vtable(m->bus, NULL, "/org/freedesktop/machine1", "org.freedesktop.machine1.Manager", manager_vtable, m); if (r < 0) return log_error_errno(r, "Failed to add manager object vtable: %m"); r = sd_bus_add_fallback_vtable(m->bus, NULL, "/org/freedesktop/machine1/machine", "org.freedesktop.machine1.Machine", machine_vtable, machine_object_find, m); if (r < 0) return log_error_errno(r, "Failed to add machine object vtable: %m"); r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/machine1/machine", machine_node_enumerator, m); if (r < 0) return log_error_errno(r, "Failed to add machine enumerator: %m"); r = sd_bus_add_fallback_vtable(m->bus, NULL, "/org/freedesktop/machine1/image", "org.freedesktop.machine1.Image", image_vtable, image_object_find, m); if (r < 0) return log_error_errno(r, "Failed to add image object vtable: %m"); r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/machine1/image", image_node_enumerator, m); if (r < 0) return log_error_errno(r, "Failed to add image enumerator: %m"); r = sd_bus_add_match(m->bus, NULL, "type='signal'," "sender='org.freedesktop.systemd1'," "interface='org.freedesktop.systemd1.Manager'," "member='JobRemoved'," "path='/org/freedesktop/systemd1'", match_job_removed, m); if (r < 0) return log_error_errno(r, "Failed to add match for JobRemoved: %m"); r = sd_bus_add_match(m->bus, NULL, "type='signal'," "sender='org.freedesktop.systemd1'," "interface='org.freedesktop.systemd1.Manager'," "member='UnitRemoved'," "path='/org/freedesktop/systemd1'", match_unit_removed, m); if (r < 0) return log_error_errno(r, "Failed to add match for UnitRemoved: %m"); r = sd_bus_add_match(m->bus, NULL, "type='signal'," "sender='org.freedesktop.systemd1'," "interface='org.freedesktop.DBus.Properties'," "member='PropertiesChanged'," "arg0='org.freedesktop.systemd1.Unit'", match_properties_changed, m); if (r < 0) return log_error_errno(r, "Failed to add match for PropertiesChanged: %m"); r = sd_bus_add_match(m->bus, NULL, "type='signal'," "sender='org.freedesktop.systemd1'," "interface='org.freedesktop.systemd1.Manager'," "member='Reloading'," "path='/org/freedesktop/systemd1'", match_reloading, m); if (r < 0) return log_error_errno(r, "Failed to add match for Reloading: %m"); r = sd_bus_call_method( m->bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "Subscribe", &error, NULL, NULL); if (r < 0) { log_error("Failed to enable subscription: %s", bus_error_message(&error, r)); return r; } r = sd_bus_request_name(m->bus, "org.freedesktop.machine1", 0); if (r < 0) return log_error_errno(r, "Failed to register name: %m"); r = sd_bus_attach_event(m->bus, m->event, 0); if (r < 0) return log_error_errno(r, "Failed to attach bus to event loop: %m"); return 0; }
static int server_init(sd_bus **_bus) { sd_bus *bus = NULL; sd_id128_t id; int r; const char *unique; assert_se(_bus); r = sd_bus_open_user(&bus); if (r < 0) { log_error_errno(r, "Failed to connect to user bus: %m"); goto fail; } r = sd_bus_get_bus_id(bus, &id); if (r < 0) { log_error_errno(r, "Failed to get server ID: %m"); goto fail; } r = sd_bus_get_unique_name(bus, &unique); if (r < 0) { log_error_errno(r, "Failed to get unique name: %m"); goto fail; } log_info("Peer ID is " SD_ID128_FORMAT_STR ".", SD_ID128_FORMAT_VAL(id)); log_info("Unique ID: %s", unique); log_info("Can send file handles: %i", sd_bus_can_send(bus, 'h')); r = sd_bus_request_name(bus, "org.freedesktop.systemd.test", 0); if (r < 0) { log_error_errno(r, "Failed to acquire name: %m"); goto fail; } r = sd_bus_add_fallback(bus, NULL, "/foo/bar", object_callback, NULL); if (r < 0) { log_error_errno(r, "Failed to add object: %m"); goto fail; } r = sd_bus_add_match(bus, NULL, "type='signal',interface='foo.bar',member='Notify'", match_callback, NULL); if (r < 0) { log_error_errno(r, "Failed to add match: %m"); goto fail; } r = sd_bus_add_match(bus, NULL, "type='signal',interface='org.freedesktop.DBus',member='NameOwnerChanged'", match_callback, NULL); if (r < 0) { log_error_errno(r, "Failed to add match: %m"); goto fail; } bus_match_dump(&bus->match_callbacks, 0); *_bus = bus; return 0; fail: if (bus) sd_bus_unref(bus); return r; }
int main(int argc, char *argv[]) { sd_bus_slot *slot = NULL; sd_bus *bus = NULL; int r; char **acquired = NULL, **activatable = NULL, **i; /* Connect to the user bus this time */ r = sd_bus_open_system(&bus); if (r < 0) { fprintf(stderr, "Failed to connect to system bus: %s\n", strerror(-r)); goto finish; } /* Install an object */ r = sd_bus_add_object_vtable(bus, &slot, "/org/openbmc/examples/path0/SDBusObj", /* object path */ "org.openbmc.examples.Echo", /* interface name */ echo_vtable, NULL); if (r < 0) { fprintf(stderr, "Failed to issue method call: %s\n", strerror(-r)); goto finish; } /* Install an object */ r = sd_bus_add_object_vtable(bus, &slot, "/org/openbmc/examples/path1/SDBusObj", /* object path */ "org.openbmc.examples.Echo", /* interface name */ echo_vtable, NULL); if (r < 0) { fprintf(stderr, "Failed to issue method call: %s\n", strerror(-r)); goto finish; } /* Take a well-known service name so that clients can find us */ r = sd_bus_request_name(bus, "org.openbmc.examples.SDBusService", 0); if (r < 0) { fprintf(stderr, "Failed to acquire service name: %s\n", strerror(-r)); goto finish; } for (;;) { /* Process requests */ r = sd_bus_process(bus, NULL); if (r < 0) { fprintf(stderr, "Failed to process bus: %s\n", strerror(-r)); goto finish; } if (r > 0) /* we processed a request, try to process another one, right-away */ continue; /* Wait for the next request to process */ r = sd_bus_wait(bus, (uint64_t) -1); if (r < 0) { fprintf(stderr, "Failed to wait on bus: %s\n", strerror(-r)); goto finish; } } finish: sd_bus_slot_unref(slot); sd_bus_unref(bus); return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; }
/* * ------------------------------------------------ * Called as part of setting up skeleton services. * ----------------------------------------------- */ int start_led_services() { /* Generic error reporter. */ int rc = -1; int num_leds = 0; int count_leds = 0; /* Bus and slot where we are offering the LED dbus service. */ sd_bus *bus_type = NULL; sd_bus_slot *led_slot = NULL; /* For walking '/sys/class/leds/' looking for names of LED.*/ struct dirent **led_list; /* Get a hook onto system bus. */ rc = sd_bus_open_system(&bus_type); if(rc < 0) { fprintf(stderr,"Error opening system bus.\n"); return rc; } count_leds = num_leds = scandir("/sys/class/leds/", &led_list, led_select, alphasort); if(num_leds <= 0) { fprintf(stderr,"No LEDs present in the system\n"); sd_bus_slot_unref(led_slot); sd_bus_unref(bus_type); return rc; } /* Fully qualified Dbus object for a particular LED */ char led_object[128] = {0}; int len = 0; /* For each led present, announce the service on dbus. */ while(num_leds--) { memset(led_object, 0x0, sizeof(led_object)); len = snprintf(led_object, sizeof(led_object), "%s%s", "/org/openbmc/controller/led/", led_list[num_leds]->d_name); if(len >= sizeof(led_object)) { fprintf(stderr, "Error. LED object is too long:[%d]\n",len); rc = -1; break; } /* Install the object */ rc = sd_bus_add_object_vtable(bus_type, &led_slot, led_object, /* object path */ "org.openbmc.controller.led", /* interface name */ led_control_vtable, NULL); if (rc < 0) { fprintf(stderr, "Failed to add object to dbus: %s\n", strerror(-rc)); break; } } /* Done with all registration. */ while (count_leds > 0) { free(led_list[--count_leds]); if(count_leds == 0) { free(led_list); } } /* If we had success in adding the providers, request for a bus name. */ if(rc == 0) { /* Take one in OpenBmc */ rc = sd_bus_request_name(bus_type, "org.openbmc.controller.led", 0); if (rc < 0) { fprintf(stderr, "Failed to acquire service name: %s\n", strerror(-rc)); } else { for (;;) { /* Process requests */ rc = sd_bus_process(bus_type, NULL); if (rc < 0) { fprintf(stderr, "Failed to process bus: %s\n", strerror(-rc)); break; } if (rc > 0) { continue; } rc = sd_bus_wait(bus_type, (uint64_t) - 1); if (rc < 0) { fprintf(stderr, "Failed to wait on bus: %s\n", strerror(-rc)); break; } } } } sd_bus_slot_unref(led_slot); sd_bus_unref(bus_type); return rc; }
int main(int argc, char *argv[]) { _cleanup_close_ int bus_ref = -1; _cleanup_free_ char *name = NULL, *bus_name = NULL, *address = NULL, *bname = NULL; _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; const char *ua = NULL, *ub = NULL, *the_string = NULL; sd_bus *a, *b; int r, pipe_fds[2]; const char *nn; log_set_max_level(LOG_DEBUG); assert_se(asprintf(&name, "deine-mutter-%u", (unsigned) getpid()) >= 0); bus_ref = bus_kernel_create_bus(name, false, &bus_name); if (bus_ref == -ENOENT) return EXIT_TEST_SKIP; assert_se(bus_ref >= 0); address = strappend("kernel:path=", bus_name); assert_se(address); r = sd_bus_new(&a); assert_se(r >= 0); r = sd_bus_new(&b); assert_se(r >= 0); r = sd_bus_set_description(a, "a"); assert_se(r >= 0); r = sd_bus_set_address(a, address); assert_se(r >= 0); r = sd_bus_set_address(b, address); assert_se(r >= 0); assert_se(sd_bus_negotiate_timestamp(a, 1) >= 0); assert_se(sd_bus_negotiate_creds(a, true, _SD_BUS_CREDS_ALL) >= 0); assert_se(sd_bus_negotiate_timestamp(b, 0) >= 0); assert_se(sd_bus_negotiate_creds(b, true, 0) >= 0); r = sd_bus_start(a); assert_se(r >= 0); r = sd_bus_start(b); assert_se(r >= 0); assert_se(sd_bus_negotiate_timestamp(b, 1) >= 0); assert_se(sd_bus_negotiate_creds(b, true, _SD_BUS_CREDS_ALL) >= 0); r = sd_bus_get_unique_name(a, &ua); assert_se(r >= 0); printf("unique a: %s\n", ua); r = sd_bus_get_description(a, &nn); assert_se(r >= 0); printf("name of a: %s\n", nn); r = sd_bus_get_unique_name(b, &ub); assert_se(r >= 0); printf("unique b: %s\n", ub); r = sd_bus_get_description(b, &nn); assert_se(r >= 0); printf("name of b: %s\n", nn); assert_se(bus_kernel_get_bus_name(b, &bname) >= 0); assert_se(endswith(bname, name)); r = sd_bus_call_method(a, "this.doesnt.exist", "/foo", "meh.mah", "muh", &error, NULL, "s", "yayayay"); assert_se(sd_bus_error_has_name(&error, SD_BUS_ERROR_SERVICE_UNKNOWN)); assert_se(r == -EHOSTUNREACH); r = sd_bus_add_match(b, NULL, "interface='waldo.com',member='Piep'", NULL, NULL); assert_se(r >= 0); r = sd_bus_emit_signal(a, "/foo/bar/waldo", "waldo.com", "Piep", "sss", "I am a string", "/this/is/a/path", "and.this.a.domain.name"); assert_se(r >= 0); r = sd_bus_try_close(b); assert_se(r == -EBUSY); r = sd_bus_process_priority(b, -10, &m); assert_se(r == 0); r = sd_bus_process(b, &m); assert_se(r > 0); assert_se(m); bus_message_dump(m, stdout, BUS_MESSAGE_DUMP_WITH_HEADER); assert_se(sd_bus_message_rewind(m, true) >= 0); r = sd_bus_message_read(m, "s", &the_string); assert_se(r >= 0); assert_se(streq(the_string, "I am a string")); sd_bus_message_unref(m); m = NULL; r = sd_bus_request_name(a, "net.x0pointer.foobar", 0); assert_se(r >= 0); r = sd_bus_message_new_method_call(b, &m, "net.x0pointer.foobar", "/a/path", "an.inter.face", "AMethod"); assert_se(r >= 0); assert_se(pipe2(pipe_fds, O_CLOEXEC) >= 0); assert_se(write(pipe_fds[1], "x", 1) == 1); pipe_fds[1] = safe_close(pipe_fds[1]); r = sd_bus_message_append(m, "h", pipe_fds[0]); assert_se(r >= 0); pipe_fds[0] = safe_close(pipe_fds[0]); r = sd_bus_send(b, m, NULL); assert_se(r >= 0); for (;;) { sd_bus_message_unref(m); m = NULL; r = sd_bus_process(a, &m); assert_se(r > 0); assert_se(m); bus_message_dump(m, stdout, BUS_MESSAGE_DUMP_WITH_HEADER); assert_se(sd_bus_message_rewind(m, true) >= 0); if (sd_bus_message_is_method_call(m, "an.inter.face", "AMethod")) { int fd; char x; r = sd_bus_message_read(m, "h", &fd); assert_se(r >= 0); assert_se(read(fd, &x, 1) == 1); assert_se(x == 'x'); break; } } r = sd_bus_release_name(a, "net.x0pointer.foobar"); assert_se(r >= 0); r = sd_bus_release_name(a, "net.x0pointer.foobar"); assert_se(r == -ESRCH); r = sd_bus_try_close(a); assert_se(r >= 0); sd_bus_unref(a); sd_bus_unref(b); return 0; }
int main(int argc, char *argv[]) { _cleanup_close_ int bus_ref = -1; _cleanup_free_ char *bus_name = NULL, *address = NULL; _cleanup_bus_message_unref_ sd_bus_message *m = NULL; const char *ua = NULL, *ub = NULL, *the_string = NULL; sd_bus *a, *b; int r, pipe_fds[2]; log_set_max_level(LOG_DEBUG); bus_ref = bus_kernel_create("deine-mutter", &bus_name); if (bus_ref == -ENOENT) return EXIT_TEST_SKIP; assert_se(bus_ref >= 0); address = strappend("kernel:path=", bus_name); assert_se(address); r = sd_bus_new(&a); assert_se(r >= 0); r = sd_bus_new(&b); assert_se(r >= 0); r = sd_bus_set_address(a, address); assert_se(r >= 0); r = sd_bus_set_address(b, address); assert_se(r >= 0); assert_se(sd_bus_negotiate_attach_comm(a, 1) >= 0); assert_se(sd_bus_negotiate_attach_exe(a, 1) >= 0); assert_se(sd_bus_negotiate_attach_cmdline(a, 1) >= 0); assert_se(sd_bus_negotiate_attach_cgroup(a, 1) >= 0); assert_se(sd_bus_negotiate_attach_caps(a, 1) >= 0); assert_se(sd_bus_negotiate_attach_selinux_context(a, 1) >= 0); assert_se(sd_bus_negotiate_attach_audit(a, 1) >= 0); assert_se(sd_bus_negotiate_attach_comm(b, 1) >= 0); assert_se(sd_bus_negotiate_attach_exe(b, 1) >= 0); assert_se(sd_bus_negotiate_attach_cmdline(b, 1) >= 0); assert_se(sd_bus_negotiate_attach_cgroup(b, 1) >= 0); assert_se(sd_bus_negotiate_attach_caps(b, 1) >= 0); assert_se(sd_bus_negotiate_attach_selinux_context(b, 1) >= 0); assert_se(sd_bus_negotiate_attach_audit(b, 1) >= 0); r = sd_bus_start(a); assert_se(r >= 0); r = sd_bus_start(b); assert_se(r >= 0); r = sd_bus_get_unique_name(a, &ua); assert_se(r >= 0); printf("unique a: %s\n", ua); r = sd_bus_get_unique_name(b, &ub); assert_se(r >= 0); printf("unique b: %s\n", ub); r = sd_bus_add_match(b, "interface='waldo.com',member='Piep'", NULL, NULL); assert_se(r >= 0); r = sd_bus_emit_signal(a, "/foo/bar/waldo", "waldo.com", "Piep", "sss", "I am a string", "/this/is/a/path", "and.this.a.domain.name"); assert_se(r >= 0); r = sd_bus_process(b, &m); assert_se(r > 0); assert_se(m); bus_message_dump(m); assert_se(sd_bus_message_rewind(m, true) >= 0); r = sd_bus_message_read(m, "s", &the_string); assert_se(r >= 0); assert_se(streq(the_string, "I am a string")); sd_bus_message_unref(m); m = NULL; r = sd_bus_request_name(a, "net.x0pointer.foobar", 0); assert_se(r >= 0); r = sd_bus_message_new_method_call(b, "net.x0pointer.foobar", "/a/path", "an.inter.face", "AMethod", &m); assert_se(r >= 0); assert_se(pipe2(pipe_fds, O_CLOEXEC) >= 0); assert_se(write(pipe_fds[1], "x", 1) == 1); close_nointr_nofail(pipe_fds[1]); pipe_fds[1] = -1; r = sd_bus_message_append(m, "h", pipe_fds[0]); assert_se(r >= 0); close_nointr_nofail(pipe_fds[0]); pipe_fds[0] = -1; r = sd_bus_send(b, m, NULL); assert_se(r >= 0); for (;;) { sd_bus_message_unref(m); m = NULL; r = sd_bus_process(a, &m); assert_se(r > 0); assert_se(m); bus_message_dump(m); assert_se(sd_bus_message_rewind(m, true) >= 0); if (sd_bus_message_is_method_call(m, "an.inter.face", "AMethod")) { int fd; char x; r = sd_bus_message_read(m, "h", &fd); assert_se(r >= 0); assert_se(read(fd, &x, 1) == 1); assert_se(x == 'x'); break; } } r = sd_bus_release_name(a, "net.x0pointer.foobar"); assert_se(r >= 0); r = sd_bus_release_name(a, "net.x0pointer.foobar"); assert_se(r == -ESRCH); sd_bus_unref(a); sd_bus_unref(b); return 0; }
int main(int argc, char *argv[]) { sd_bus_slot *slot = NULL; int r; char *mode = NULL; if (argc != 2) { fprintf(stderr, "syntax: %s [server|client]\n", argv[0]); return 1; } mode = argv[1]; /* Connect to system bus */ r = sd_bus_open_system(&bus); if (r < 0) { fprintf(stderr, "Failed to connect to system bus: %s\n", strerror(-r)); goto finish; } if (!strcmp("server", mode)) { r = sd_bus_add_object_vtable(bus, &slot, OBJ, /* object path */ INT, /* interface name */ signal_vtable, NULL); if (r < 0) { fprintf(stderr, "Failed to issue method call: %s\n", strerror(-r)); goto finish; } /* Take a well-known service name so that clients can find us */ r = sd_bus_request_name(bus, INT, 0); if (r < 0) { fprintf(stderr, "Failed to acquire service name: %s\n", strerror(-r)); goto finish; } } else if (!strcmp("client", mode)) { r = sd_bus_add_match(bus, &slot, FILTER, bus_signal_cb, NULL); if (r < 0) { fprintf(stderr, "Failed: sd_bus_add_match: %s\n", strerror(-r)); goto finish; } } else { fprintf(stderr, "Invalid operating mode %s", mode); return 1; } for (;;) { /* Process requests */ r = sd_bus_process(bus, NULL); if (r < 0) { fprintf(stderr, "Failed to process bus: %s\n", strerror(-r)); goto finish; } if (r > 0) { continue; } r = sd_bus_wait(bus, (uint64_t) - 1); if (r < 0) { fprintf(stderr, "Failed to wait on bus: %s\n", strerror(-r)); goto finish; } } finish: sd_bus_slot_unref(slot); sd_bus_unref(bus); return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; }
int main(int argc, char *argv[]) { _cleanup_close_ int bus_ref = -1; _cleanup_free_ char *bus_name = NULL, *address = NULL; _cleanup_bus_message_unref_ sd_bus_message *m = NULL; const char *ua = NULL, *ub = NULL, *the_string = NULL; sd_bus *a, *b; int r, pipe_fds[2]; bus_ref = bus_kernel_create("deine-mutter", &bus_name); if (bus_ref == -ENOENT) return EXIT_TEST_SKIP; assert_se(bus_ref >= 0); address = strappend("kernel:path=", bus_name); assert_se(address); r = sd_bus_new(&a); assert_se(r >= 0); r = sd_bus_new(&b); assert_se(r >= 0); r = sd_bus_set_address(a, address); assert_se(r >= 0); r = sd_bus_set_address(b, address); assert_se(r >= 0); r = sd_bus_start(a); assert_se(r >= 0); r = sd_bus_start(b); assert_se(r >= 0); r = sd_bus_get_unique_name(a, &ua); assert_se(r >= 0); printf("unique a: %s\n", ua); r = sd_bus_get_unique_name(b, &ub); assert_se(r >= 0); printf("unique b: %s\n", ub); { //FIXME: struct kdbus_cmd_match cmd_match; cmd_match.size = sizeof(cmd_match); cmd_match.src_id = KDBUS_MATCH_SRC_ID_ANY; r = ioctl(sd_bus_get_fd(a), KDBUS_CMD_MATCH_ADD, &cmd_match); assert_se(r >= 0); r = ioctl(sd_bus_get_fd(b), KDBUS_CMD_MATCH_ADD, &cmd_match); assert_se(r >= 0); } r = sd_bus_emit_signal(a, "/foo/bar/waldo", "waldo.com", "Piep", "sss", "I am a string", "/this/is/a/path", "and.this.a.domain.name"); assert_se(r >= 0); r = sd_bus_process(b, &m); assert_se(r > 0); assert_se(m); bus_message_dump(m); assert_se(sd_bus_message_rewind(m, true) >= 0); r = sd_bus_message_read(m, "s", &the_string); assert_se(r >= 0); assert_se(streq(the_string, "I am a string")); sd_bus_message_unref(m); m = NULL; r = sd_bus_request_name(a, "net.x0pointer.foobar", 0); assert_se(r >= 0); r = sd_bus_message_new_method_call(b, "net.x0pointer.foobar", "/a/path", "an.inter.face", "AMethod", &m); assert_se(r >= 0); assert_se(pipe2(pipe_fds, O_CLOEXEC) >= 0); assert_se(write(pipe_fds[1], "x", 1) == 1); close_nointr_nofail(pipe_fds[1]); pipe_fds[1] = -1; r = sd_bus_message_append(m, "h", pipe_fds[0]); assert_se(r >= 0); close_nointr_nofail(pipe_fds[0]); pipe_fds[0] = -1; r = sd_bus_send(b, m, NULL); assert_se(r >= 0); for (;;) { sd_bus_message_unref(m); m = NULL; r = sd_bus_process(a, &m); assert_se(r > 0); assert_se(m); bus_message_dump(m); assert_se(sd_bus_message_rewind(m, true) >= 0); if (sd_bus_message_is_method_call(m, "an.inter.face", "AMethod")) { int fd; char x; r = sd_bus_message_read(m, "h", &fd); assert_se(r >= 0); assert_se(read(fd, &x, 1) == 1); assert_se(x == 'x'); break; } } r = sd_bus_release_name(a, "net.x0pointer.foobar"); assert_se(r >= 0); r = sd_bus_release_name(a, "net.x0pointer.foobar"); assert_se(r == -ESRCH); sd_bus_unref(a); sd_bus_unref(b); return 0; }