OpenDNSSEC-signer 1.3.0
/build/buildd/opendnssec-1.3.0/signer/src/daemon/engine.h
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00001 /*
00002  * $Id: engine.h 5320 2011-07-12 10:42:26Z jakob $
00003  *
00004  * Copyright (c) 2009 NLNet Labs. All rights reserved.
00005  *
00006  * Redistribution and use in source and binary forms, with or without
00007  * modification, are permitted provided that the following conditions
00008  * are met:
00009  * 1. Redistributions of source code must retain the above copyright
00010  *    notice, this list of conditions and the following disclaimer.
00011  * 2. Redistributions in binary form must reproduce the above copyright
00012  *    notice, this list of conditions and the following disclaimer in the
00013  *    documentation and/or other materials provided with the distribution.
00014  *
00015  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
00016  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
00017  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00018  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
00019  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00020  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
00021  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00022  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
00023  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
00024  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
00025  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00026  *
00027  */
00028 
00034 #ifndef DAEMON_ENGINE_H
00035 #define DAEMON_ENGINE_H
00036 
00037 #include "config.h"
00038 #include "daemon/cfg.h"
00039 #include "daemon/cmdhandler.h"
00040 #include "daemon/worker.h"
00041 #include "scheduler/fifoq.h"
00042 #include "scheduler/schedule.h"
00043 #include "scheduler/task.h"
00044 #include "shared/allocator.h"
00045 #include "shared/locks.h"
00046 #include "signer/zonelist.h"
00047 
00048 #include <signal.h>
00049 
00054 typedef struct engine_struct engine_type;
00055 struct engine_struct {
00056     allocator_type* allocator;
00057     engineconfig_type* config;
00058     worker_type** workers;
00059     worker_type** drudgers;
00060     zonelist_type* zonelist;
00061     schedule_type* taskq;
00062     fifoq_type* signq;
00063     cmdhandler_type* cmdhandler;
00064     int cmdhandler_done;
00065 
00066     pid_t pid;
00067     pid_t zfpid;
00068     uid_t uid;
00069     gid_t gid;
00070 
00071     int daemonize;
00072     int need_to_exit;
00073     int need_to_reload;
00074 
00075     sig_atomic_t signal;
00076     cond_basic_type signal_cond;
00077     lock_basic_type signal_lock;
00078 };
00079 
00089 void engine_start(const char* cfgfile, int cmdline_verbosity,
00090     int daemonize, int info, int single_run);
00091 
00097 void engine_wakeup_workers(engine_type* engine);
00098 
00104 void engine_update_zones(engine_type* engine);
00105 
00111 void engine_cleanup(engine_type* engine);
00112 
00113 #endif /* DAEMON_ENGINE_H */