int main(int argc, char *argv[]) {
sd_bus_slot *slot = NULL;
int r;
char *mode = NULL;
/* Connect to system bus */
// r = sd_bus_open_user(&bus);
r = sd_bus_open_system(&bus);
if (r < 0) {
fprintf(stderr, "Failed to connect to system bus: %s\n",
strerror(-r));
goto finish;
}
r = sd_bus_add_match(bus, &slot, FILTER, bus_signal_cb, NULL);
if (r < 0) {
fprintf(stderr, "Failed: sd_bus_add_match: %s : %s\n", strerror(-r), FILTER);
goto finish;
}
r = sd_bus_add_match(bus, &slot, FILTER2, greeting, NULL);
if (r < 0) {
fprintf(stderr, "Failed: %d sd_bus_add_match: %s : %s\n", __LINE__, strerror(-r), FILTER);
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) {
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;
}
static void test_one(
const char *path,
const char *interface,
const char *member,
const char *arg0,
const char *match,
bool good) {
_cleanup_close_ int bus_ref = -1;
_cleanup_free_ char *name = NULL, *bus_name = NULL, *address = NULL;
_cleanup_bus_message_unref_ sd_bus_message *m = NULL;
sd_bus *a, *b;
int r;
assert_se(asprintf(&name, "deine-mutter-%u", (unsigned) getpid()) >= 0);
bus_ref = bus_kernel_create_bus(name, false, &bus_name);
if (bus_ref == -ENOENT)
exit(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);
log_debug("match");
r = sd_bus_add_match(b, NULL, match, NULL, NULL);
assert_se(r >= 0);
log_debug("signal");
r = sd_bus_emit_signal(a, path, interface, member, "s", arg0);
assert_se(r >= 0);
r = sd_bus_process(b, &m);
assert_se(r >= 0 && (good == !!m));
sd_bus_unref(a);
sd_bus_unref(b);
}
void manager_free(Manager *m) {
Network *network;
Bridge *bridge;
Link *link;
udev_monitor_unref(m->udev_monitor);
udev_unref(m->udev);
sd_bus_unref(m->bus);
sd_event_source_unref(m->udev_event_source);
sd_event_unref(m->event);
while ((network = m->networks))
network_free(network);
while ((link = hashmap_first(m->links)))
link_free(link);
hashmap_free(m->links);
while ((bridge = hashmap_first(m->bridges)))
bridge_free(bridge);
hashmap_free(m->bridges);
sd_rtnl_unref(m->rtnl);
free(m);
}
static int
connect_bus(void)
{
int r;
sd_bus *bus = NULL;
struct source_ctx *s;
r = sd_bus_default_system(&bus);
SOL_INT_CHECK(r, < 0, r);
s = sol_mainloop_source_get_data(_ctx.mainloop_source);
r = sd_bus_attach_event(bus, s->event,
SD_EVENT_PRIORITY_NORMAL);
SOL_INT_CHECK_GOTO(r, < 0, fail);
r = sd_bus_add_match(bus, NULL,
"type='signal',"
"sender='org.freedesktop.DBus.Local',"
"interface='org.freedesktop.DBus.Local',"
"member='Disconnected'",
_match_disconnected, &_ctx);
SOL_INT_CHECK_GOTO(r, < 0, fail);
_ctx.bus = bus;
return 0;
fail:
sd_bus_unref(bus);
return r;
}
static void manager_free(struct manager *m)
{
unsigned int i;
struct link *l;
if (!m)
return;
while ((l = MANAGER_FIRST_LINK(m)))
link_free(l);
manager_dbus_disconnect(m);
shl_htable_clear_uint(&m->links, NULL, NULL);
sd_event_source_unref(m->udev_mon_source);
udev_monitor_unref(m->udev_mon);
udev_unref(m->udev);
for (i = 0; m->sigs[i]; ++i)
sd_event_source_unref(m->sigs[i]);
sd_bus_unref(m->bus);
sd_event_unref(m->event);
free(m->friendly_name);
free(m);
}
void manager_free(Manager *m) {
Network *network;
NetDev *netdev;
Link *link;
if (!m)
return;
udev_monitor_unref(m->udev_monitor);
udev_unref(m->udev);
sd_bus_unref(m->bus);
sd_event_source_unref(m->udev_event_source);
sd_event_source_unref(m->sigterm_event_source);
sd_event_source_unref(m->sigint_event_source);
sd_event_unref(m->event);
while ((network = m->networks))
network_free(network);
while ((link = hashmap_first(m->links)))
link_free(link);
hashmap_free(m->links);
while ((netdev = hashmap_first(m->netdevs)))
netdev_free(netdev);
hashmap_free(m->netdevs);
sd_rtnl_unref(m->rtnl);
free(m);
}
void manager_free(Manager *m) {
Machine *machine;
assert(m);
while (m->operations)
operation_free(m->operations);
assert(m->n_operations == 0);
while ((machine = hashmap_first(m->machines)))
machine_free(machine);
hashmap_free(m->machines);
hashmap_free(m->machine_units);
hashmap_free(m->machine_leaders);
hashmap_free_with_destructor(m->image_cache, image_unref);
sd_event_source_unref(m->image_cache_defer_event);
bus_verify_polkit_async_registry_free(m->polkit_registry);
sd_bus_unref(m->bus);
sd_event_unref(m->event);
free(m);
}
void manager_free(Manager *m) {
Machine *machine;
Image *i;
assert(m);
while ((machine = hashmap_first(m->machines)))
machine_free(machine);
hashmap_free(m->machines);
hashmap_free(m->machine_units);
hashmap_free(m->machine_leaders);
while ((i = hashmap_steal_first(m->image_cache)))
image_unref(i);
hashmap_free(m->image_cache);
sd_event_source_unref(m->image_cache_defer_event);
bus_verify_polkit_async_registry_free(m->polkit_registry);
sd_bus_unref(m->bus);
sd_event_unref(m->event);
free(m);
}
int bus_open_user_systemd(sd_bus **_bus) {
_cleanup_bus_unref_ sd_bus *bus = NULL;
_cleanup_free_ char *ee = NULL;
const char *e;
int r;
/* Try via kdbus first, and then directly */
assert(_bus);
#ifdef ENABLE_KDBUS
r = sd_bus_new(&bus);
if (r < 0)
return r;
if (asprintf(&bus->address, KERNEL_USER_BUS_FMT, getuid()) < 0)
return -ENOMEM;
bus->bus_client = true;
r = sd_bus_start(bus);
if (r >= 0) {
*_bus = bus;
bus = NULL;
return 0;
}
bus = sd_bus_unref(bus);
#endif
e = secure_getenv("XDG_RUNTIME_DIR");
if (!e)
return sd_bus_open_user(_bus);
ee = bus_address_escape(e);
if (!ee)
return -ENOMEM;
r = sd_bus_new(&bus);
if (r < 0)
return r;
bus->address = strjoin("unix:path=", ee, "/systemd/private", NULL);
if (!bus->address)
return -ENOMEM;
r = sd_bus_start(bus);
if (r < 0)
return sd_bus_open_user(_bus);
r = bus_check_peercred(bus);
if (r < 0)
return r;
*_bus = bus;
bus = NULL;
return 0;
}
static struct ratbagctl *ratbagctl_free(struct ratbagctl *ctl)
{
if (!ctl)
return NULL;
ctl->bus = sd_bus_unref(ctl->bus);
return mfree(ctl);
}
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);
}
int bus_open_system_systemd(sd_bus **_bus) {
_cleanup_bus_unref_ sd_bus *bus = NULL;
int r;
assert(_bus);
if (geteuid() != 0)
return sd_bus_open_system(_bus);
/* If we are root and kdbus is not available, then let's talk
* directly to the system instance, instead of going via the
* bus */
#ifdef ENABLE_KDBUS
r = sd_bus_new(&bus);
if (r < 0)
return r;
r = sd_bus_set_address(bus, KERNEL_SYSTEM_BUS_PATH);
if (r < 0)
return r;
bus->bus_client = true;
r = sd_bus_start(bus);
if (r >= 0) {
*_bus = bus;
bus = NULL;
return 0;
}
bus = sd_bus_unref(bus);
#endif
r = sd_bus_new(&bus);
if (r < 0)
return r;
r = sd_bus_set_address(bus, "unix:path=/run/systemd/private");
if (r < 0)
return r;
r = sd_bus_start(bus);
if (r < 0)
return sd_bus_open_system(_bus);
r = bus_check_peercred(bus);
if (r < 0)
return r;
*_bus = bus;
bus = NULL;
return 0;
}
static void client_chart(const char *address) {
_cleanup_bus_message_unref_ sd_bus_message *x = NULL;
size_t csize;
sd_bus *b;
int r;
r = sd_bus_new(&b);
assert_se(r >= 0);
r = sd_bus_set_address(b, address);
assert_se(r >= 0);
r = sd_bus_start(b);
assert_se(r >= 0);
assert_se(sd_bus_call_method(b, ":1.1", "/", "benchmark.server", "Ping", NULL, NULL, NULL) >= 0);
printf("SIZE\tCOPY\tMEMFD\n");
for (csize = 1; csize <= MAX_SIZE; csize *= 2) {
usec_t t;
unsigned n_copying, n_memfd;
printf("%zu\t", csize);
b->use_memfd = 0;
t = now(CLOCK_MONOTONIC);
for (n_copying = 0;; n_copying++) {
transaction(b, csize);
if (now(CLOCK_MONOTONIC) >= t + arg_loop_usec)
break;
}
printf("%u\t", (unsigned) ((n_copying * USEC_PER_SEC) / arg_loop_usec));
b->use_memfd = -1;
t = now(CLOCK_MONOTONIC);
for (n_memfd = 0;; n_memfd++) {
transaction(b, csize);
if (now(CLOCK_MONOTONIC) >= t + arg_loop_usec)
break;
}
printf("%u\n", (unsigned) ((n_memfd * USEC_PER_SEC) / arg_loop_usec));
}
b->use_memfd = 1;
assert_se(sd_bus_message_new_method_call(b, ":1.1", "/", "benchmark.server", "Exit", &x) >= 0);
assert_se(sd_bus_message_append(x, "t", csize) >= 0);
assert_se(sd_bus_send(b, x, NULL) >= 0);
sd_bus_unref(b);
}
static void run_context_free(RunContext *c) {
assert(c);
c->forward = pty_forward_free(c->forward);
c->match = sd_bus_slot_unref(c->match);
c->bus = sd_bus_unref(c->bus);
c->event = sd_event_unref(c->event);
free(c->active_state);
free(c->result);
}
static void server_done(Server *s) {
assert(s);
while (s->fifos)
fifo_free(s->fifos);
safe_close(s->epoll_fd);
if (s->bus) {
sd_bus_flush(s->bus);
sd_bus_unref(s->bus);
}
}
static Modeset *modeset_free(Modeset *m) {
if (!m)
return NULL;
m->grdev_session = grdev_session_free(m->grdev_session);
m->grdev = grdev_context_unref(m->grdev);
m->sysview = sysview_context_free(m->sysview);
m->exit_src = sd_event_source_unref(m->exit_src);
m->bus = sd_bus_unref(m->bus);
m->event = sd_event_unref(m->event);
free(m->seat);
free(m->session);
free(m);
return NULL;
}
Manager *manager_free(Manager *m) {
if (!m)
return NULL;
assert(!m->workspace_list);
m->idev = idev_context_unref(m->idev);
m->grdev = grdev_context_unref(m->grdev);
m->sysview = sysview_context_free(m->sysview);
m->uf = unifont_unref(m->uf);
m->sysbus = sd_bus_unref(m->sysbus);
m->event = sd_event_unref(m->event);
free(m);
return NULL;
}
void manager_free(Manager *m) {
Machine *machine;
assert(m);
while ((machine = hashmap_first(m->machines)))
machine_free(machine);
hashmap_free(m->machines);
hashmap_free(m->machine_units);
hashmap_free(m->machine_leaders);
sd_bus_unref(m->bus);
sd_event_unref(m->event);
free(m);
}
/*
* 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 Evcat *evcat_free(Evcat *e) {
if (!e)
return NULL;
e->idev_session = idev_session_free(e->idev_session);
e->idev = idev_context_unref(e->idev);
e->sysview = sysview_context_free(e->sysview);
e->bus = sd_bus_unref(e->bus);
e->event = sd_event_unref(e->event);
free(e->seat);
free(e->session);
free(e);
tcflush(0, TCIOFLUSH);
return NULL;
}
_public_ sd_bus_track* sd_bus_track_unref(sd_bus_track *track) {
if (!track)
return NULL;
assert(track->n_ref > 0);
if (track->n_ref > 1) {
track->n_ref--;
return NULL;
}
if (track->in_list)
LIST_REMOVE(tracks, track->bus->tracks, track);
bus_track_remove_from_queue(track);
hashmap_free_with_destructor(track->names, track_item_free);
sd_bus_unref(track->bus);
return mfree(track);
}
void dispd_dbus_free(struct dispd_dbus *dispd_dbus)
{
if(!dispd_dbus) {
return;
}
if(dispd_dbus->exposed) {
sd_bus_release_name(dispd_dbus->bus, "org.freedesktop.miracle.wfd");
}
if(dispd_dbus->bus) {
sd_bus_unref(dispd_dbus->bus);
}
if(dispd_dbus->loop) {
sd_event_unref(dispd_dbus->loop);
}
free(dispd_dbus);
}
_public_ sd_bus_track* sd_bus_track_unref(sd_bus_track *track) {
const char *n;
if (!track)
return NULL;
assert(track->n_ref > 0);
if (track->n_ref > 1) {
track->n_ref --;
return NULL;
}
while ((n = hashmap_first_key(track->names)))
sd_bus_track_remove_name(track, n);
bus_track_remove_from_queue(track);
hashmap_free(track->names);
sd_bus_unref(track->bus);
free(track);
return NULL;
}
_public_ int sd_bus_slot_set_floating(sd_bus_slot *slot, int b) {
assert_return(slot, -EINVAL);
if (slot->floating == !!b)
return 0;
if (!slot->bus) /* already disconnected slots can't be reconnected */
return -ESTALE;
slot->floating = b;
/* When a slot is "floating" then the bus references the slot. Otherwise the slot references the bus. Hence,
* when we move from one to the other, let's increase one reference and decrease the other. */
if (b) {
sd_bus_slot_ref(slot);
sd_bus_unref(slot->bus);
} else {
sd_bus_ref(slot->bus);
sd_bus_slot_unref(slot);
}
return 1;
}
int main(int argc, char *argv[])
{
sd_bus_slot *slot = NULL;
int r;
char *mode = NULL;
// Register all the handlers that provider implementation to IPMI commands.
ipmi_register_callback_handlers(HOST_IPMI_LIB_PATH);
#ifdef __IPMI_DEBUG__
printf("Registered Function handlers:\n");
// Print the registered handlers and their arguments.
for(auto& iter : g_ipmid_router_map)
{
ipmi_fn_cmd_t fn_and_cmd = iter.first;
printf("NETFN:[0x%X], cmd[0x%X]\n", fn_and_cmd.first, fn_and_cmd.second);
}
#endif
/* 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;
}
r = sd_bus_add_match(bus, &slot, FILTER, handle_ipmi_command, NULL);
if (r < 0) {
fprintf(stderr, "Failed: sd_bus_add_match: %s : %s\n", strerror(-r), FILTER);
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) {
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;
}
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;
}
static int server(sd_bus *bus) {
int r;
bool client1_gone = false, client2_gone = false;
while (!client1_gone || !client2_gone) {
_cleanup_bus_message_unref_ sd_bus_message *m = NULL;
pid_t pid = 0;
const char *label = NULL;
r = sd_bus_process(bus, &m);
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;
}
if (!m)
continue;
sd_bus_creds_get_pid(sd_bus_message_get_creds(m), &pid);
sd_bus_creds_get_selinux_context(sd_bus_message_get_creds(m), &label);
log_info("Got message! member=%s pid="PID_FMT" label=%s",
strna(sd_bus_message_get_member(m)),
pid,
strna(label));
/* bus_message_dump(m); */
/* sd_bus_message_rewind(m, true); */
if (sd_bus_message_is_method_call(m, "org.freedesktop.systemd.test", "LowerCase")) {
const char *hello;
_cleanup_free_ char *lowercase = NULL;
r = sd_bus_message_read(m, "s", &hello);
if (r < 0) {
log_error_errno(r, "Failed to get parameter: %m");
goto fail;
}
lowercase = strdup(hello);
if (!lowercase) {
r = log_oom();
goto fail;
}
ascii_strlower(lowercase);
r = sd_bus_reply_method_return(m, "s", lowercase);
if (r < 0) {
log_error_errno(r, "Failed to send reply: %m");
goto fail;
}
} else if (sd_bus_message_is_method_call(m, "org.freedesktop.systemd.test", "ExitClient1")) {
r = sd_bus_reply_method_return(m, NULL);
if (r < 0) {
log_error_errno(r, "Failed to send reply: %m");
goto fail;
}
client1_gone = true;
} else if (sd_bus_message_is_method_call(m, "org.freedesktop.systemd.test", "ExitClient2")) {
r = sd_bus_reply_method_return(m, NULL);
if (r < 0) {
log_error_errno(r, "Failed to send reply: %m");
goto fail;
}
client2_gone = true;
} else if (sd_bus_message_is_method_call(m, "org.freedesktop.systemd.test", "Slow")) {
sleep(1);
r = sd_bus_reply_method_return(m, NULL);
if (r < 0) {
log_error_errno(r, "Failed to send reply: %m");
goto fail;
}
} else if (sd_bus_message_is_method_call(m, "org.freedesktop.systemd.test", "FileDescriptor")) {
int fd;
static const char x = 'X';
r = sd_bus_message_read(m, "h", &fd);
if (r < 0) {
log_error_errno(r, "Failed to get parameter: %m");
goto fail;
}
log_info("Received fd=%d", fd);
if (write(fd, &x, 1) < 0) {
log_error_errno(errno, "Failed to write to fd: %m");
safe_close(fd);
goto fail;
}
r = sd_bus_reply_method_return(m, NULL);
if (r < 0) {
log_error_errno(r, "Failed to send reply: %m");
goto fail;
}
} else if (sd_bus_message_is_method_call(m, NULL, NULL)) {
r = sd_bus_reply_method_error(
m,
&SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_UNKNOWN_METHOD, "Unknown method."));
if (r < 0) {
log_error_errno(r, "Failed to send reply: %m");
goto fail;
}
}
}
r = 0;
fail:
if (bus) {
sd_bus_flush(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;
}
static void manager_free(Manager *m) {
Session *session;
User *u;
Device *d;
Seat *s;
Inhibitor *i;
Button *b;
assert(m);
while ((session = hashmap_first(m->sessions)))
session_free(session);
while ((u = hashmap_first(m->users)))
user_free(u);
while ((d = hashmap_first(m->devices)))
device_free(d);
while ((s = hashmap_first(m->seats)))
seat_free(s);
while ((i = hashmap_first(m->inhibitors)))
inhibitor_free(i);
while ((b = hashmap_first(m->buttons)))
button_free(b);
hashmap_free(m->devices);
hashmap_free(m->seats);
hashmap_free(m->sessions);
hashmap_free(m->users);
hashmap_free(m->inhibitors);
hashmap_free(m->buttons);
hashmap_free(m->user_units);
hashmap_free(m->session_units);
sd_event_source_unref(m->idle_action_event_source);
sd_event_source_unref(m->inhibit_timeout_source);
sd_event_source_unref(m->scheduled_shutdown_timeout_source);
sd_event_source_unref(m->nologin_timeout_source);
sd_event_source_unref(m->wall_message_timeout_source);
sd_event_source_unref(m->console_active_event_source);
sd_event_source_unref(m->udev_seat_event_source);
sd_event_source_unref(m->udev_device_event_source);
sd_event_source_unref(m->udev_vcsa_event_source);
sd_event_source_unref(m->udev_button_event_source);
sd_event_source_unref(m->lid_switch_ignore_event_source);
safe_close(m->console_active_fd);
udev_monitor_unref(m->udev_seat_monitor);
udev_monitor_unref(m->udev_device_monitor);
udev_monitor_unref(m->udev_vcsa_monitor);
udev_monitor_unref(m->udev_button_monitor);
udev_unref(m->udev);
if (m->unlink_nologin)
(void) unlink("/run/nologin");
bus_verify_polkit_async_registry_free(m->polkit_registry);
sd_bus_unref(m->bus);
sd_event_unref(m->event);
safe_close(m->reserve_vt_fd);
strv_free(m->kill_only_users);
strv_free(m->kill_exclude_users);
free(m->scheduled_shutdown_type);
free(m->scheduled_shutdown_tty);
free(m->wall_message);
free(m->action_job);
free(m);
}
int main(int argc, char *argv[]) {
_cleanup_free_ char *name = NULL, *bus_name = NULL, *address = NULL;
const char *unique;
uint8_t *p;
sd_bus *a, *b;
int r, bus_ref;
sd_bus_message *m;
int f;
uint64_t sz;
uint32_t u32;
size_t i, l;
char *s;
_cleanup_close_ int sfd = -1;
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_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, &unique);
assert_se(r >= 0);
r = sd_bus_message_new_method_call(b, &m, unique, "/a/path", "an.inter.face", "AMethod");
assert_se(r >= 0);
r = sd_bus_message_open_container(m, 'r', "aysay");
assert_se(r >= 0);
r = sd_bus_message_append_array_space(m, 'y', FIRST_ARRAY, (void**) &p);
assert_se(r >= 0);
p[0] = '<';
memset(p+1, 'L', FIRST_ARRAY-2);
p[FIRST_ARRAY-1] = '>';
f = memfd_new_and_map(NULL, STRING_SIZE, (void**) &s);
assert_se(f >= 0);
s[0] = '<';
for (i = 1; i < STRING_SIZE-2; i++)
s[i] = '0' + (i % 10);
s[STRING_SIZE-2] = '>';
s[STRING_SIZE-1] = 0;
munmap(s, STRING_SIZE);
r = memfd_get_size(f, &sz);
assert_se(r >= 0);
assert_se(sz == STRING_SIZE);
r = sd_bus_message_append_string_memfd(m, f, 0, (uint64_t) -1);
assert_se(r >= 0);
close(f);
f = memfd_new_and_map(NULL, SECOND_ARRAY, (void**) &p);
assert_se(f >= 0);
p[0] = '<';
memset(p+1, 'P', SECOND_ARRAY-2);
p[SECOND_ARRAY-1] = '>';
munmap(p, SECOND_ARRAY);
r = memfd_get_size(f, &sz);
assert_se(r >= 0);
assert_se(sz == SECOND_ARRAY);
r = sd_bus_message_append_array_memfd(m, 'y', f, 0, (uint64_t) -1);
assert_se(r >= 0);
close(f);
r = sd_bus_message_close_container(m);
assert_se(r >= 0);
r = sd_bus_message_append(m, "u", 4711);
assert_se(r >= 0);
assert_se((sfd = memfd_new_and_map(NULL, 6, (void**) &p)) >= 0);
memcpy(p, "abcd\0", 6);
munmap(p, 6);
assert_se(sd_bus_message_append_string_memfd(m, sfd, 1, 4) >= 0);
r = bus_message_seal(m, 55, 99*USEC_PER_SEC);
assert_se(r >= 0);
bus_message_dump(m, stdout, BUS_MESSAGE_DUMP_WITH_HEADER);
r = sd_bus_send(b, m, NULL);
assert_se(r >= 0);
sd_bus_message_unref(m);
r = sd_bus_process(a, &m);
assert_se(r > 0);
bus_message_dump(m, stdout, BUS_MESSAGE_DUMP_WITH_HEADER);
sd_bus_message_rewind(m, true);
r = sd_bus_message_enter_container(m, 'r', "aysay");
assert_se(r > 0);
r = sd_bus_message_read_array(m, 'y', (const void**) &p, &l);
assert_se(r > 0);
assert_se(l == FIRST_ARRAY);
assert_se(p[0] == '<');
for (i = 1; i < l-1; i++)
assert_se(p[i] == 'L');
assert_se(p[l-1] == '>');
r = sd_bus_message_read(m, "s", &s);
assert_se(r > 0);
assert_se(s[0] == '<');
for (i = 1; i < STRING_SIZE-2; i++)
assert_se(s[i] == (char) ('0' + (i % 10)));
assert_se(s[STRING_SIZE-2] == '>');
assert_se(s[STRING_SIZE-1] == 0);
r = sd_bus_message_read_array(m, 'y', (const void**) &p, &l);
assert_se(r > 0);
assert_se(l == SECOND_ARRAY);
assert_se(p[0] == '<');
for (i = 1; i < l-1; i++)
assert_se(p[i] == 'P');
assert_se(p[l-1] == '>');
r = sd_bus_message_exit_container(m);
assert_se(r > 0);
r = sd_bus_message_read(m, "u", &u32);
assert_se(r > 0);
assert_se(u32 == 4711);
r = sd_bus_message_read(m, "s", &s);
assert_se(r > 0);
assert_se(streq_ptr(s, "bcd"));
sd_bus_message_unref(m);
sd_bus_unref(a);
sd_bus_unref(b);
return 0;
}
