/** * Function to start one thread. * @param arg: user argument. * @return: void* user return value could be used for thread_join results. */ static void* thread_start(void* arg) { struct worker* worker = (struct worker*)arg; int port_num = 0; log_thread_set(&worker->thread_num); ub_thread_blocksigs(); #ifdef THREADS_DISABLED /* close pipe ends used by main */ tube_close_write(worker->cmd); close_other_pipes(worker->daemon, worker->thread_num); #endif #ifdef SO_REUSEPORT if(worker->daemon->cfg->so_reuseport) port_num = worker->thread_num % worker->daemon->num_ports; else port_num = 0; #endif if(!worker_init(worker, worker->daemon->cfg, worker->daemon->ports[port_num], 0)) fatal_exit("Could not initialize thread"); worker_work(worker); return NULL; }
void daemon_fork(struct daemon* daemon) { log_assert(daemon); if(!(daemon->views = views_create())) fatal_exit("Could not create views: out of memory"); /* create individual views and their localzone/data trees */ if(!views_apply_cfg(daemon->views, daemon->cfg)) fatal_exit("Could not set up views"); if(!acl_list_apply_cfg(daemon->acl, daemon->cfg, daemon->views)) fatal_exit("Could not setup access control list"); /* create global local_zones */ if(!(daemon->local_zones = local_zones_create())) fatal_exit("Could not create local zones: out of memory"); if(!local_zones_apply_cfg(daemon->local_zones, daemon->cfg)) fatal_exit("Could not set up local zones"); /* setup modules */ daemon_setup_modules(daemon); /* first create all the worker structures, so we can pass * them to the newly created threads. */ daemon_create_workers(daemon); #if defined(HAVE_EV_LOOP) || defined(HAVE_EV_DEFAULT_LOOP) /* in libev the first inited base gets signals */ if(!worker_init(daemon->workers[0], daemon->cfg, daemon->ports[0], 1)) fatal_exit("Could not initialize main thread"); #endif /* Now create the threads and init the workers. * By the way, this is thread #0 (the main thread). */ daemon_start_others(daemon); /* Special handling for the main thread. This is the thread * that handles signals and remote control. */ #if !(defined(HAVE_EV_LOOP) || defined(HAVE_EV_DEFAULT_LOOP)) /* libevent has the last inited base get signals (or any base) */ if(!worker_init(daemon->workers[0], daemon->cfg, daemon->ports[0], 1)) fatal_exit("Could not initialize main thread"); #endif signal_handling_playback(daemon->workers[0]); /* Start resolver service on main thread. */ log_info("start of service (%s).", PACKAGE_STRING); worker_work(daemon->workers[0]); log_info("service stopped (%s).", PACKAGE_STRING); /* we exited! a signal happened! Stop other threads */ daemon_stop_others(daemon); daemon->need_to_exit = daemon->workers[0]->need_to_exit; }
/** * Start worker. * */ void worker_start(worker_type* worker) { ods_log_assert(worker); switch (worker->type) { case WORKER_DRUDGER: worker_drudge(worker); break; case WORKER_WORKER: worker_work(worker); break; default: ods_log_error("[worker] illegal worker (id=%i)", worker->type); break; } return; }
void daemon_fork(struct daemon* daemon) { int have_view_respip_cfg = 0; log_assert(daemon); if(!(daemon->views = views_create())) fatal_exit("Could not create views: out of memory"); /* create individual views and their localzone/data trees */ if(!views_apply_cfg(daemon->views, daemon->cfg)) fatal_exit("Could not set up views"); if(!acl_list_apply_cfg(daemon->acl, daemon->cfg, daemon->views)) fatal_exit("Could not setup access control list"); if(daemon->cfg->dnscrypt) { #ifdef USE_DNSCRYPT daemon->dnscenv = dnsc_create(); if (!daemon->dnscenv) fatal_exit("dnsc_create failed"); dnsc_apply_cfg(daemon->dnscenv, daemon->cfg); #else fatal_exit("dnscrypt enabled in config but unbound was not built with " "dnscrypt support"); #endif } /* create global local_zones */ if(!(daemon->local_zones = local_zones_create())) fatal_exit("Could not create local zones: out of memory"); if(!local_zones_apply_cfg(daemon->local_zones, daemon->cfg)) fatal_exit("Could not set up local zones"); /* process raw response-ip configuration data */ if(!(daemon->respip_set = respip_set_create())) fatal_exit("Could not create response IP set"); if(!respip_global_apply_cfg(daemon->respip_set, daemon->cfg)) fatal_exit("Could not set up response IP set"); if(!respip_views_apply_cfg(daemon->views, daemon->cfg, &have_view_respip_cfg)) fatal_exit("Could not set up per-view response IP sets"); daemon->use_response_ip = !respip_set_is_empty(daemon->respip_set) || have_view_respip_cfg; /* read auth zonefiles */ if(!auth_zones_apply_cfg(daemon->env->auth_zones, daemon->cfg, 1)) fatal_exit("auth_zones could not be setup"); /* setup modules */ daemon_setup_modules(daemon); /* response-ip-xxx options don't work as expected without the respip * module. To avoid run-time operational surprise we reject such * configuration. */ if(daemon->use_response_ip && modstack_find(&daemon->mods, "respip") < 0) fatal_exit("response-ip options require respip module"); /* first create all the worker structures, so we can pass * them to the newly created threads. */ daemon_create_workers(daemon); #if defined(HAVE_EV_LOOP) || defined(HAVE_EV_DEFAULT_LOOP) /* in libev the first inited base gets signals */ if(!worker_init(daemon->workers[0], daemon->cfg, daemon->ports[0], 1)) fatal_exit("Could not initialize main thread"); #endif /* Now create the threads and init the workers. * By the way, this is thread #0 (the main thread). */ daemon_start_others(daemon); /* Special handling for the main thread. This is the thread * that handles signals and remote control. */ #if !(defined(HAVE_EV_LOOP) || defined(HAVE_EV_DEFAULT_LOOP)) /* libevent has the last inited base get signals (or any base) */ if(!worker_init(daemon->workers[0], daemon->cfg, daemon->ports[0], 1)) fatal_exit("Could not initialize main thread"); #endif signal_handling_playback(daemon->workers[0]); if (!shm_main_init(daemon)) log_warn("SHM has failed"); /* Start resolver service on main thread. */ #ifdef HAVE_SYSTEMD sd_notify(0, "READY=1"); #endif log_info("start of service (%s).", PACKAGE_STRING); worker_work(daemon->workers[0]); #ifdef HAVE_SYSTEMD sd_notify(0, "STOPPING=1"); #endif log_info("service stopped (%s).", PACKAGE_STRING); /* we exited! a signal happened! Stop other threads */ daemon_stop_others(daemon); /* Shutdown SHM */ shm_main_shutdown(daemon); daemon->need_to_exit = daemon->workers[0]->need_to_exit; }