OpenDNSSEC-signer 1.2.1

/build/buildd-opendnssec_1.2.1.dfsg-1-mips-p9AT07/opendnssec-1.2.1.dfsg/signer/src/daemon/engine.h

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00001 /*
00002  * $Id: engine.h 4294 2011-01-13 19:58:29Z 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/cmdhandler.h"
00039 #include "daemon/cfg.h"
00040 #include "daemon/worker.h"
00041 #include "scheduler/locks.h"
00042 #include "scheduler/task.h"
00043 #include "signer/zonelist.h"
00044 
00045 #include <signal.h>
00046 
00047 #define SIGNAL_RUN 0
00048 #define SIGNAL_INIT 1
00049 #define SIGNAL_RELOAD 2
00050 #define SIGNAL_SHUTDOWN 3
00051 
00056 typedef struct engine_struct engine_type;
00057 struct engine_struct {
00058     engineconfig_type* config;
00059     cmdhandler_type* cmdhandler;
00060     worker_type** workers;
00061     zonelist_type* zonelist;
00062     tasklist_type* tasklist;
00063     int cmdhandler_done;
00064 
00065     sig_atomic_t signal;
00066     cond_basic_type signal_cond;
00067     lock_basic_type signal_lock;
00068 
00069     pid_t pid;
00070     pid_t zfpid;
00071     uid_t uid;
00072     gid_t gid;
00073 
00074     int daemonize;
00075     int need_to_exit;
00076     int need_to_reload;
00077 };
00078 
00084 engine_type* engine_create(void);
00085 
00095 void engine_start(const char* cfgfile, int cmdline_verbosity,
00096     int daemonize, int info, int single_run);
00097 
00104 void set_notify_ns(zone_type* zone, const char* cmd);
00105 
00113 int engine_update_zonelist(engine_type* engine, char* buf);
00114 
00124 int engine_update_zones(engine_type* engine, const char* zone_name, char* buf,
00125     int first_try);
00126 
00134 int engine_search_workers(engine_type* engine, const char* zone_name);
00135 
00141 void engine_cleanup(engine_type* engine);
00142 
00143 #endif /* DAEMON_ENGINE_H */