int main(int argc, char *argv[]) {
Context context = {};
_cleanup_event_unref_ sd_event *event = NULL;
_cleanup_bus_close_unref_ sd_bus *bus = NULL;
int r;
log_set_target(LOG_TARGET_AUTO);
log_parse_environment();
log_open();
umask(0022);
mac_selinux_init("/etc");
if (argc != 1) {
log_error("This program takes no arguments.");
r = -EINVAL;
goto finish;
}
if (argc != 1) {
log_error("This program takes no arguments.");
r = -EINVAL;
goto finish;
}
r = sd_event_default(&event);
if (r < 0) {
log_error_errno(r, "Failed to allocate event loop: %m");
goto finish;
}
sd_event_set_watchdog(event, true);
r = connect_bus(&context, event, &bus);
if (r < 0)
goto finish;
r = context_read_data(&context);
if (r < 0) {
log_error_errno(r, "Failed to read hostname and machine information: %m");
goto finish;
}
r = bus_event_loop_with_idle(event, bus, "org.freedesktop.hostname1", DEFAULT_EXIT_USEC, NULL, NULL);
if (r < 0) {
log_error_errno(r, "Failed to run event loop: %m");
goto finish;
}
finish:
context_free(&context);
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}
/* We attach libsystemd's mainloop to Soletta's on the first time we need to
* connect to the bus. Any fail on getting connected to the bus means the
* mainloop terminates.
*/
SOL_API sd_bus *
sol_bus_get(int (*bus_initialized)(sd_bus *bus))
{
int r;
if (!_ctx.bus) {
if (!_ctx.mainloop_source) {
r = event_attach_mainloop();
SOL_INT_CHECK_GOTO(r, < 0, fail);
}
r = connect_bus();
SOL_INT_CHECK_GOTO(r, < 0, fail);
sol_ptr_vector_init(&_ctx.clients);
}
static int run(int argc, char *argv[]) {
_cleanup_(context_clear) Context context = {};
_cleanup_(sd_event_unrefp) sd_event *event = NULL;
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
int r;
log_setup_service();
umask(0022);
mac_selinux_init();
if (argc != 1) {
log_error("This program takes no arguments.");
return -EINVAL;
}
assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGTERM, SIGINT, -1) >= 0);
r = sd_event_default(&event);
if (r < 0)
return log_error_errno(r, "Failed to allocate event loop: %m");
(void) sd_event_set_watchdog(event, true);
r = sd_event_add_signal(event, NULL, SIGINT, NULL, NULL);
if (r < 0)
return log_error_errno(r, "Failed to install SIGINT handler: %m");
r = sd_event_add_signal(event, NULL, SIGTERM, NULL, NULL);
if (r < 0)
return log_error_errno(r, "Failed to install SIGTERM handler: %m");
r = connect_bus(&context, event, &bus);
if (r < 0)
return r;
r = context_read_data(&context);
if (r < 0)
return log_error_errno(r, "Failed to read hostname and machine information: %m");
r = bus_event_loop_with_idle(event, bus, "org.freedesktop.hostname1", DEFAULT_EXIT_USEC, NULL, NULL);
if (r < 0)
return log_error_errno(r, "Failed to run event loop: %m");
return 0;
}
* mainloop terminates.
*/
SOL_API sd_bus *
sol_bus_get(void (*bus_initialized)(sd_bus *bus))
{
int r;
if (_ctx.bus)
return _ctx.bus;
if (!_ctx.mainloop_source) {
r = event_attach_mainloop();
SOL_INT_CHECK_GOTO(r, < 0, fail);
}
r = connect_bus();
SOL_INT_CHECK_GOTO(r, < 0, fail);
sol_ptr_vector_init(&_ctx.clients);
if (bus_initialized)
bus_initialized(_ctx.bus);
return _ctx.bus;
fail:
SOL_WRN("D-Bus requested but connection could not be made");
sol_quit();
return NULL;
}