OpenDNSSEC-enforcer  2.0.4
engine.h
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1 /*
2  * Copyright (c) 2009 NLNet Labs. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  * notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  * notice, this list of conditions and the following disclaimer in the
11  * documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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19  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
21  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
22  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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24  *
25  */
26 
32 #ifndef DAEMON_ENGINE_H
33 #define DAEMON_ENGINE_H
34 
35 #include "config.h"
36 #include "daemon/cfg.h"
37 #include "daemon/cmdhandler.h"
38 #include "daemon/worker.h"
39 #include "scheduler/task.h"
40 #include "db/db_configuration.h"
41 #include "db/db_connection.h"
42 
43 #include <signal.h>
44 
50 typedef struct engine_struct engine_type;
51 
52 struct engine_struct {
59 
60  pid_t pid;
61  uid_t uid;
62  gid_t gid;
63 
64  int daemonize;
67 
68  /* Main thread blocks on this condition when there is nothing to do */
69  pthread_cond_t signal_cond;
70  pthread_mutex_t signal_lock;
71  /* To prevent having 2 enforce tasks running simultaneously. */
72  pthread_mutex_t enforce_lock;
73 
75 };
76 
83 
93 ods_status engine_setup(engine_type* engine);
94 
100 void engine_teardown(engine_type* engine);
101 
102 void engine_init(engine_type* engine, int daemonize);
103 
104 typedef void (*start_cb_t)(engine_type* engine);
105 
115 int engine_run(engine_type* engine, start_cb_t start, int single_run);
116 
122 void engine_stop(engine_type* engine);
123 
129 void engine_wakeup_workers(engine_type* engine);
132 void engine_stop_workers(engine_type* engine);
135 void engine_start_workers(engine_type* engine);
136 
138 void engine_dealloc(engine_type* engine);
139 
140 #endif /* DAEMON_ENGINE_H */
void engine_stop(engine_type *engine)
engine_type * engine_alloc(void)
Definition: engine.c:76
void engine_stop_workers(engine_type *engine)
Definition: engine.c:230
int engine_run(engine_type *engine, start_cb_t start, int single_run)
Definition: engine.c:609
void engine_teardown(engine_type *engine)
Definition: engine.c:550
void engine_dealloc(engine_type *engine)
Definition: engine.c:96
pthread_cond_t signal_cond
Definition: engine.h:69
db_connection_t * get_database_connection(db_configuration_list_t *dbcfg_list)
Definition: engine.c:263
db_configuration_list_t * dbcfg_list
Definition: engine.h:74
engineconfig_type * config
Definition: engine.h:53
worker_type ** workers
Definition: engine.h:54
int init_setup_done
Definition: engine.h:58
void engine_start_workers(engine_type *engine)
Definition: engine.c:214
gid_t gid
Definition: engine.h:62
pid_t pid
Definition: engine.h:60
ods_status engine_setup(engine_type *engine)
Definition: engine.c:443
cmdhandler_type * cmdhandler
Definition: engine.h:56
void engine_wakeup_workers(engine_type *engine)
Definition: engine.c:255
pthread_mutex_t enforce_lock
Definition: engine.h:72
pthread_mutex_t signal_lock
Definition: engine.h:70
schedule_type * taskq
Definition: engine.h:55
int daemonize
Definition: engine.h:64
int need_to_exit
Definition: engine.h:65
void engine_init(engine_type *engine, int daemonize)
Definition: engine.c:578
int need_to_reload
Definition: engine.h:66
void(* start_cb_t)(engine_type *engine)
Definition: engine.h:104
int cmdhandler_done
Definition: engine.h:57
uid_t uid
Definition: engine.h:61