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Diffstat (limited to '')
| -rw-r--r-- | external/unbound/daemon/worker.h | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/external/unbound/daemon/worker.h b/external/unbound/daemon/worker.h deleted file mode 100644 index 0d7ce9521..000000000 --- a/external/unbound/daemon/worker.h +++ /dev/null @@ -1,178 +0,0 @@ -/* - * daemon/worker.h - worker that handles a pending list of requests. - * - * Copyright (c) 2007, NLnet Labs. All rights reserved. - * - * This software is open source. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * - * Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * - * Neither the name of the NLNET LABS nor the names of its contributors may - * be used to endorse or promote products derived from this software without - * specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED - * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -/** - * \file - * - * This file describes the worker structure that holds a list of - * pending requests and handles them. - */ - -#ifndef DAEMON_WORKER_H -#define DAEMON_WORKER_H - -#include "libunbound/worker.h" -#include "util/netevent.h" -#include "util/locks.h" -#include "util/alloc.h" -#include "util/data/msgreply.h" -#include "util/data/msgparse.h" -#include "daemon/stats.h" -#include "util/module.h" -#include "dnstap/dnstap.h" -struct listen_dnsport; -struct outside_network; -struct config_file; -struct daemon; -struct listen_port; -struct ub_randstate; -struct regional; -struct tube; -struct daemon_remote; -struct query_info; - -/** worker commands */ -enum worker_commands { - /** make the worker quit */ - worker_cmd_quit, - /** obtain statistics */ - worker_cmd_stats, - /** obtain statistics without statsclear */ - worker_cmd_stats_noreset, - /** execute remote control command */ - worker_cmd_remote -}; - -/** - * Structure holding working information for unbound. - * Holds globally visible information. - */ -struct worker { - /** the thread number (in daemon array). First in struct for debug. */ - int thread_num; - /** global shared daemon structure */ - struct daemon* daemon; - /** thread id */ - ub_thread_type thr_id; - /** pipe, for commands for this worker */ - struct tube* cmd; - /** the event base this worker works with */ - struct comm_base* base; - /** the frontside listening interface where request events come in */ - struct listen_dnsport* front; - /** the backside outside network interface to the auth servers */ - struct outside_network* back; - /** ports to be used by this worker. */ - int* ports; - /** number of ports for this worker */ - int numports; - /** the signal handler */ - struct comm_signal* comsig; - /** commpoint to listen to commands. */ - struct comm_point* cmd_com; - /** timer for statistics */ - struct comm_timer* stat_timer; - /** ratelimit for errors, time value */ - time_t err_limit_time; - /** ratelimit for errors, packet count */ - unsigned int err_limit_count; - - /** random() table for this worker. */ - struct ub_randstate* rndstate; - /** do we need to restart or quit (on signal) */ - int need_to_exit; - /** allocation cache for this thread */ - struct alloc_cache alloc; - /** per thread statistics */ - struct server_stats stats; - /** thread scratch regional */ - struct regional* scratchpad; - - /** module environment passed to modules, changed for this thread */ - struct module_env env; - -#ifdef USE_DNSTAP - /** dnstap environment, changed for this thread */ - struct dt_env dtenv; -#endif -}; - -/** - * Create the worker structure. Bare bones version, zeroed struct, - * with backpointers only. Use worker_init on it later. - * @param daemon: the daemon that this worker thread is part of. - * @param id: the thread number from 0.. numthreads-1. - * @param ports: the ports it is allowed to use, array. - * @param n: the number of ports. - * @return: the new worker or NULL on alloc failure. - */ -struct worker* worker_create(struct daemon* daemon, int id, int* ports, int n); - -/** - * Initialize worker. - * Allocates event base, listens to ports - * @param worker: worker to initialize, created with worker_create. - * @param cfg: configuration settings. - * @param ports: list of shared query ports. - * @param do_sigs: if true, worker installs signal handlers. - * @return: false on error. - */ -int worker_init(struct worker* worker, struct config_file *cfg, - struct listen_port* ports, int do_sigs); - -/** - * Make worker work. - */ -void worker_work(struct worker* worker); - -/** - * Delete worker. - */ -void worker_delete(struct worker* worker); - -/** - * Send a command to a worker. Uses blocking writes. - * @param worker: worker to send command to. - * @param cmd: command to send. - */ -void worker_send_cmd(struct worker* worker, enum worker_commands cmd); - -/** - * Init worker stats - includes server_stats_init, outside network and mesh. - * @param worker: the worker to init - */ -void worker_stats_clear(struct worker* worker); - -#endif /* DAEMON_WORKER_H */ |