static void *server(void *p) { struct context *c = p; sd_bus *bus = NULL; sd_id128_t id; int r; c->quit = false; assert_se(sd_id128_randomize(&id) >= 0); assert_se(sd_bus_new(&bus) >= 0); assert_se(sd_bus_set_fd(bus, c->fds[0], c->fds[0]) >= 0); assert_se(sd_bus_set_server(bus, 1, id) >= 0); assert_se(sd_bus_add_object_vtable(bus, NULL, "/foo", "org.freedesktop.systemd.test", vtable, c) >= 0); assert_se(sd_bus_add_object_vtable(bus, NULL, "/foo", "org.freedesktop.systemd.test2", vtable, c) >= 0); assert_se(sd_bus_add_fallback_vtable(bus, NULL, "/value", "org.freedesktop.systemd.ValueTest", vtable2, NULL, UINT_TO_PTR(20)) >= 0); assert_se(sd_bus_add_node_enumerator(bus, NULL, "/value", enumerator_callback, NULL) >= 0); assert_se(sd_bus_add_node_enumerator(bus, NULL, "/value/a", enumerator2_callback, NULL) >= 0); assert_se(sd_bus_add_object_manager(bus, NULL, "/value") >= 0); assert_se(sd_bus_add_object_manager(bus, NULL, "/value/a") >= 0); assert_se(sd_bus_start(bus) >= 0); log_error("Entering event loop on server"); while (!c->quit) { log_error("Loop!"); r = sd_bus_process(bus, NULL); if (r < 0) { log_error_errno(r, "Failed to process requests: %m"); goto fail; } if (r == 0) { r = sd_bus_wait(bus, (uint64_t) -1); if (r < 0) { log_error_errno(r, "Failed to wait: %m"); goto fail; } continue; } } r = 0; fail: if (bus) { sd_bus_flush(bus); sd_bus_unref(bus); } return INT_TO_PTR(r); }
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 manager_connect_bus(Manager *m) { 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_match_signal_async( m->bus, NULL, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "JobRemoved", match_job_removed, NULL, m); if (r < 0) return log_error_errno(r, "Failed to add match for JobRemoved: %m"); r = sd_bus_match_signal_async( m->bus, NULL, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "UnitRemoved", match_unit_removed, NULL, m); if (r < 0) return log_error_errno(r, "Failed to request match for UnitRemoved: %m"); r = sd_bus_match_signal_async( m->bus, NULL, "org.freedesktop.systemd1", NULL, "org.freedesktop.DBus.Properties", "PropertiesChanged", match_properties_changed, NULL, m); if (r < 0) return log_error_errno(r, "Failed to request match for PropertiesChanged: %m"); r = sd_bus_match_signal_async( m->bus, NULL, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "Reloading", match_reloading, NULL, m); if (r < 0) return log_error_errno(r, "Failed to request match for Reloading: %m"); r = sd_bus_call_method_async( m->bus, NULL, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "Subscribe", NULL, NULL, NULL); if (r < 0) return log_error_errno(r, "Failed to enable subscription: %m"); r = sd_bus_request_name_async(m->bus, NULL, "org.freedesktop.machine1", 0, NULL, NULL); if (r < 0) return log_error_errno(r, "Failed to request 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; }