chunk_to_hex() function declaration deleted
[strongswan.git] / src / charon / threads / scheduler.c
1 /**
2 * @file scheduler.c
3 *
4 * @brief Implementation of scheduler_t.
5 *
6 */
7
8 /*
9 * Copyright (C) 2005-2006 Martin Willi
10 * Copyright (C) 2005 Jan Hutter
11 * Hochschule fuer Technik Rapperswil
12 *
13 * This program is free software; you can redistribute it and/or modify it
14 * under the terms of the GNU General Public License as published by the
15 * Free Software Foundation; either version 2 of the License, or (at your
16 * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
17 *
18 * This program is distributed in the hope that it will be useful, but
19 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
20 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
21 * for more details.
22 */
23
24 #include <stdlib.h>
25 #include <pthread.h>
26
27 #include "scheduler.h"
28
29 #include <daemon.h>
30 #include <definitions.h>
31 #include <queues/job_queue.h>
32
33
34 typedef struct private_scheduler_t private_scheduler_t;
35
36 /**
37 * Private data of a scheduler_t object.
38 */
39 struct private_scheduler_t {
40 /**
41 * Public part of a scheduler_t object.
42 */
43 scheduler_t public;
44
45 /**
46 * Assigned thread.
47 */
48 pthread_t assigned_thread;
49 };
50
51 /**
52 * Implementation of private_scheduler_t.get_events.
53 */
54 static void get_events(private_scheduler_t * this)
55 {
56 job_t *current_job;
57
58 /* cancellation disabled by default */
59 pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL);
60
61 DBG1(DBG_JOB, "scheduler thread running, thread_ID: %06u",
62 (int)pthread_self());
63
64 while (TRUE)
65 {
66 DBG2(DBG_JOB, "waiting for next event...");
67 /* get a job, this block until one is available */
68 current_job = charon->event_queue->get(charon->event_queue);
69 /* queue the job in the job queue, workers will eat them */
70 DBG2(DBG_JOB, "got event, adding job %N to job-queue",
71 job_type_names, current_job->get_type(current_job));
72 charon->job_queue->add(charon->job_queue, current_job);
73 }
74 }
75
76 /**
77 * Implementation of scheduler_t.destroy.
78 */
79 static void destroy(private_scheduler_t *this)
80 {
81 pthread_cancel(this->assigned_thread);
82 pthread_join(this->assigned_thread, NULL);
83 free(this);
84 }
85
86 /*
87 * Described in header.
88 */
89 scheduler_t * scheduler_create()
90 {
91 private_scheduler_t *this = malloc_thing(private_scheduler_t);
92
93 this->public.destroy = (void(*)(scheduler_t*)) destroy;
94
95 if (pthread_create(&(this->assigned_thread), NULL, (void*(*)(void*))get_events, this) != 0)
96 {
97 /* thread could not be created */
98 free(this);
99 charon->kill(charon, "unable to create scheduler thread");
100 }
101
102 return &(this->public);
103 }