OpenDNSSEC-enforcer  2.1.9
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
15  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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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
23  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  *
25  */
26 
32 #ifndef DAEMON_ENGINE_H
33 #define DAEMON_ENGINE_H
34 
35 #include "config.h"
36 #include <signal.h>
37 
38 typedef struct engine_struct engine_type;
39 
40 #include "daemon/cfg.h"
41 #include "cmdhandler.h"
42 #include "scheduler/task.h"
43 #include "scheduler/schedule.h"
44 #include "db/db_configuration.h"
45 #include "db/db_connection.h"
46 
47 struct engine_struct {
49 
50  pid_t pid;
51  uid_t uid;
52  gid_t gid;
53 
54  int daemonize;
58 
59  worker_type** workers;
60  schedule_type* taskq;
61  cmdhandler_type* cmdhandler;
62 
63  /* Main thread blocks on this condition when there is nothing to do */
64  pthread_cond_t signal_cond;
65  pthread_mutex_t signal_lock;
66 
68 };
69 
76 
77 
87 extern ods_status engine_setup(void);
88 
94 extern void engine_teardown(engine_type* engine);
95 
96 extern void engine_init(engine_type* engine, int daemonize);
97 
98 typedef void (*start_cb_t)(engine_type* engine);
99 
109 extern int engine_run(engine_type* engine, start_cb_t start, int single_run);
110 
116 extern void engine_stop(engine_type* engine);
117 
123 extern void engine_wakeup_workers(engine_type* engine);
126 extern void engine_stop_workers(engine_type* engine);
129 extern void engine_start_workers(engine_type* engine);
130 
131 extern engine_type* engine_alloc(void);
132 extern void engine_dealloc(engine_type* engine);
133 
134 #endif /* DAEMON_ENGINE_H */
ods_status engine_setup(void)
Definition: engine.c:432
void engine_stop(engine_type *engine)
void engine_teardown(engine_type *engine)
Definition: engine.c:585
void engine_init(engine_type *engine, int daemonize)
Definition: engine.c:613
void engine_dealloc(engine_type *engine)
Definition: engine.c:97
db_connection_t * get_database_connection(engine_type *engine)
Definition: engine.c:226
void engine_wakeup_workers(engine_type *engine)
Definition: engine.c:218
void(* start_cb_t)(engine_type *engine)
Definition: engine.h:98
void engine_start_workers(engine_type *engine)
Definition: engine.c:174
int engine_run(engine_type *engine, start_cb_t start, int single_run)
Definition: engine.c:644
engine_type * engine_alloc(void)
Definition: engine.c:79
void engine_stop_workers(engine_type *engine)
Definition: engine.c:193
schedule_type * taskq
Definition: engine.h:60
pthread_mutex_t signal_lock
Definition: engine.h:65
pid_t pid
Definition: engine.h:50
gid_t gid
Definition: engine.h:52
cmdhandler_type * cmdhandler
Definition: engine.h:61
pthread_cond_t signal_cond
Definition: engine.h:64
int need_to_reload
Definition: engine.h:56
int daemonize
Definition: engine.h:54
uid_t uid
Definition: engine.h:51
int init_setup_done
Definition: engine.h:57
db_configuration_list_t * dbcfg_list
Definition: engine.h:67
int need_to_exit
Definition: engine.h:55
worker_type ** workers
Definition: engine.h:59
engineconfig_type * config
Definition: engine.h:48