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7e4700ec5f
and log_warn. git-svn-id: file:///svn/unbound/trunk@139 be551aaa-1e26-0410-a405-d3ace91eadb9
121 lines
3.4 KiB
C
121 lines
3.4 KiB
C
/*
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* daemon/daemon.c - collection of workers that handles requests.
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*
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* Copyright (c) 2007, NLnet Labs. All rights reserved.
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*
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* This software is open source.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* Neither the name of the NLNET LABS nor the names of its contributors may
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* be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* \file
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*
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* The daemon consists of global settings and a number of workers.
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*/
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/** buffer size for network connections */
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#define BUFSZ 65552
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#include "config.h"
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#include "daemon/daemon.h"
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#include "daemon/worker.h"
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#include "util/log.h"
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#include "util/config_file.h"
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#include "services/listen_dnsport.h"
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struct daemon*
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daemon_init()
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{
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struct daemon* daemon = (struct daemon*)calloc(1,
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sizeof(struct daemon));
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if(!daemon)
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return NULL;
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lock_basic_init(&daemon->lock);
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daemon->need_to_exit = 0;
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return daemon;
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}
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int
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daemon_open_shared_ports(struct daemon* daemon)
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{
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log_assert(daemon);
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if(daemon->cfg->port == daemon->listening_port)
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return 1;
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listening_ports_free(daemon->ports);
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if(!(daemon->ports=listening_ports_open(daemon->cfg)))
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return 0;
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daemon->listening_port = daemon->cfg->port;
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return 1;
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}
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void
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daemon_fork(struct daemon* daemon)
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{
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/* only one thread for now */
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log_assert(daemon);
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daemon->num = 1;
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daemon->workers = (struct worker**)calloc((size_t)daemon->num,
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sizeof(struct worker*));
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if(!(daemon->workers[0] = worker_init(daemon->cfg, daemon->ports,
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BUFSZ)))
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fatal_exit("could not initialize thread # %d", 0);
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daemon->workers[0]->daemon = daemon;
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daemon->workers[0]->thread_num = 0;
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log_info("start of service (%s).", PACKAGE_STRING);
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worker_work(daemon->workers[0]);
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if(daemon->workers[0]->need_to_restart)
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daemon->need_to_exit = 0;
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else daemon->need_to_exit = 1;
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}
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void
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daemon_cleanup(struct daemon* daemon)
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{
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int i;
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log_assert(daemon);
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for(i=0; i<daemon->num; i++)
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worker_delete(daemon->workers[i]);
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free(daemon->workers);
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daemon->workers = NULL;
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daemon->num = 0;
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daemon->cfg = NULL;
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}
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void
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daemon_delete(struct daemon* daemon)
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{
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if(!daemon)
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return;
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listening_ports_free(daemon->ports);
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lock_basic_destroy(&daemon->lock);
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free(daemon->cwd);
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free(daemon->pidfile);
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free(daemon);
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}
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