int manager_startup(Manager *m) { int r; Machine *machine; Iterator i; assert(m); assert(m->epoll_fd <= 0); m->epoll_fd = epoll_create1(EPOLL_CLOEXEC); if (m->epoll_fd < 0) return -errno; /* Connect to the bus */ r = manager_connect_bus(m); if (r < 0) return r; /* Deserialize state */ manager_enumerate_machines(m); /* Remove stale objects before we start them */ manager_gc(m, false); /* And start everything */ HASHMAP_FOREACH(machine, m->machines, i) machine_start(machine, NULL); return 0; }
int manager_startup(Manager *m) { Machine *machine; Iterator i; int r; assert(m); /* Connect to the bus */ r = manager_connect_bus(m); if (r < 0) return r; /* Deserialize state */ manager_enumerate_machines(m); /* Remove stale objects before we start them */ manager_gc(m, false); /* And start everything */ HASHMAP_FOREACH(machine, m->machines, i) machine_start(machine, NULL, NULL); return 0; }
int main(int argc, char *argv[]) { _cleanup_manager_free_ Manager *m = NULL; const char *user = "******"; uid_t uid; gid_t gid; int r; log_set_target(LOG_TARGET_AUTO); log_parse_environment(); log_open(); umask(0022); if (argc != 1) { log_error("This program takes no arguments."); r = -EINVAL; goto out; } r = get_user_creds(&user, &uid, &gid, NULL, NULL); if (r < 0) { log_error_errno(r, "Cannot resolve user name %s: %m", user); goto out; } /* Always create the directories people can create inotify * watches in. */ r = mkdir_safe_label("/run/systemd/netif", 0755, uid, gid); if (r < 0) log_warning_errno(r, "Could not create runtime directory: %m"); r = mkdir_safe_label("/run/systemd/netif/links", 0755, uid, gid); if (r < 0) log_warning_errno(r, "Could not create runtime directory 'links': %m"); r = mkdir_safe_label("/run/systemd/netif/leases", 0755, uid, gid); if (r < 0) log_warning_errno(r, "Could not create runtime directory 'leases': %m"); r = mkdir_safe_label("/run/systemd/netif/lldp", 0755, uid, gid); if (r < 0) log_warning_errno(r, "Could not create runtime directory 'lldp': %m"); r = drop_privileges(uid, gid, (1ULL << CAP_NET_ADMIN) | (1ULL << CAP_NET_BIND_SERVICE) | (1ULL << CAP_NET_BROADCAST) | (1ULL << CAP_NET_RAW)); if (r < 0) goto out; assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGTERM, SIGINT, -1) >= 0); r = manager_new(&m); if (r < 0) { log_error_errno(r, "Could not create manager: %m"); goto out; } r = manager_connect_bus(m); if (r < 0) { log_error_errno(r, "Could not connect to bus: %m"); goto out; } r = manager_load_config(m); if (r < 0) { log_error_errno(r, "Could not load configuration files: %m"); goto out; } r = manager_rtnl_enumerate_links(m); if (r < 0) { log_error_errno(r, "Could not enumerate links: %m"); goto out; } r = manager_rtnl_enumerate_addresses(m); if (r < 0) { log_error_errno(r, "Could not enumerate addresses: %m"); goto out; } r = manager_rtnl_enumerate_routes(m); if (r < 0) { log_error_errno(r, "Could not enumerate routes: %m"); goto out; } log_info("Enumeration completed"); sd_notify(false, "READY=1\n" "STATUS=Processing requests..."); r = manager_run(m); if (r < 0) { log_error_errno(r, "Event loop failed: %m"); goto out; } out: sd_notify(false, "STOPPING=1\n" "STATUS=Shutting down..."); return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; }