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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	sbin/isakmpd/timer.c	Lines:	0	37	0.0 %
Date:	2016-12-06	Branches:	0	36	0.0 %


/* $OpenBSD: timer.c,v 1.17 2015/08/20 22:02:21 deraadt Exp $	 */
/* $EOM: timer.c,v 1.13 2000/02/20 19:58:42 niklas Exp $	 */

/*
 * Copyright (c) 1998, 1999 Niklas Hallqvist.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/*
 * This code was written under funding by Ericsson Radio Systems.
 */

#include <sys/queue.h>
#include <stdlib.h>
#include <string.h>

#include "log.h"
#include "timer.h"

static	TAILQ_HEAD(event_list, event) events;

void
timer_init(void)
{
	TAILQ_INIT(&events);
}

void
timer_next_event(struct timeval **timeout)
{
	struct timeval  now;

	if (TAILQ_FIRST(&events)) {
		gettimeofday(&now, 0);
		if (timercmp(&now, &TAILQ_FIRST(&events)->expiration, >=))
			timerclear(*timeout);
		else
			timersub(&TAILQ_FIRST(&events)->expiration, &now,
			    *timeout);
	} else
		*timeout = 0;
}

void
timer_handle_expirations(void)
{
	struct timeval  now;
	struct event   *n;

	gettimeofday(&now, 0);
	for (n = TAILQ_FIRST(&events); n && timercmp(&now, &n->expiration, >=);
	    n = TAILQ_FIRST(&events)) {
		LOG_DBG((LOG_TIMER, 10,
		    "timer_handle_expirations: event %s(%p)", n->name,
		    n->arg));
		TAILQ_REMOVE(&events, n, link);
		(*n->func)(n->arg);
		free(n);
	}
}

struct event *
timer_add_event(char *name, void (*func)(void *), void *arg,
    struct timeval *expiration)
{
	struct event   *ev = malloc(sizeof *ev);
	struct event   *n;
	struct timeval  now;

	if (!ev)
		return 0;
	ev->name = name;
	ev->func = func;
	ev->arg = arg;
	gettimeofday(&now, 0);
	memcpy(&ev->expiration, expiration, sizeof *expiration);
	for (n = TAILQ_FIRST(&events);
	    n && timercmp(expiration, &n->expiration, >=);
	    n = TAILQ_NEXT(n, link))
		;
	if (n) {
		LOG_DBG((LOG_TIMER, 10,
		    "timer_add_event: event %s(%p) added before %s(%p), "
		    "expiration in %llds", name, arg, n->name, n->arg,
		    (long long)(expiration->tv_sec - now.tv_sec)));
		TAILQ_INSERT_BEFORE(n, ev, link);
	} else {
		LOG_DBG((LOG_TIMER, 10, "timer_add_event: event %s(%p) added "
		    "last, expiration in %ds", name, arg,
		    (int)(expiration->tv_sec - now.tv_sec)));
		TAILQ_INSERT_TAIL(&events, ev, link);
	}
	return ev;
}

void
timer_remove_event(struct event *ev)
{
	LOG_DBG((LOG_TIMER, 10, "timer_remove_event: removing event %s(%p)",
	    ev->name, ev->arg));
	TAILQ_REMOVE(&events, ev, link);
	free(ev);
}

void
timer_report(void)
{
	struct event   *ev;
	struct timeval  now;

	gettimeofday(&now, 0);

	for (ev = TAILQ_FIRST(&events); ev; ev = TAILQ_NEXT(ev, link))
		LOG_DBG((LOG_REPORT, 0,
		    "timer_report: event %s(%p) scheduled in %d seconds",
		    (ev->name ? ev->name : "<unknown>"), ev,
		    (int) (ev->expiration.tv_sec - now.tv_sec)));
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: timer.c,v 1.17 2015/08/20 22:02:21 deraadt Exp $ */
2			/* $EOM: timer.c,v 1.13 2000/02/20 19:58:42 niklas Exp $ */
3
4			/*
5			* Copyright (c) 1998, 1999 Niklas Hallqvist. All rights reserved.
6			*
7			* Redistribution and use in source and binary forms, with or without
8			* modification, are permitted provided that the following conditions
9			* are met:
10			* 1. Redistributions of source code must retain the above copyright
11			* notice, this list of conditions and the following disclaimer.
12			* 2. Redistributions in binary form must reproduce the above copyright
13			* notice, this list of conditions and the following disclaimer in the
14			* documentation and/or other materials provided with the distribution.
15			*
16			* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17			* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18			* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19			* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20			* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21			* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22			* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23			* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24			* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25			* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26			*/
27
28			/*
29			* This code was written under funding by Ericsson Radio Systems.
30			*/
31
32			#include <sys/queue.h>
33			#include <stdlib.h>
34			#include <string.h>
35
36			#include "log.h"
37			#include "timer.h"
38
39			static TAILQ_HEAD(event_list, event) events;
40
41			void
42			timer_init(void)
43			{
44			TAILQ_INIT(&events);
45			}
46
47			void
48			timer_next_event(struct timeval **timeout)
49			{
50			struct timeval now;
51
52			if (TAILQ_FIRST(&events)) {
53			gettimeofday(&now, 0);
54			if (timercmp(&now, &TAILQ_FIRST(&events)->expiration, >=))
55			timerclear(*timeout);
56			else
57			timersub(&TAILQ_FIRST(&events)->expiration, &now,
58			*timeout);
59			} else
60			*timeout = 0;
61			}
62
63			void
64			timer_handle_expirations(void)
65			{
66			struct timeval now;
67			struct event *n;
68
69			gettimeofday(&now, 0);
70			for (n = TAILQ_FIRST(&events); n && timercmp(&now, &n->expiration, >=);
71			n = TAILQ_FIRST(&events)) {
72			LOG_DBG((LOG_TIMER, 10,
73			"timer_handle_expirations: event %s(%p)", n->name,
74			n->arg));
75			TAILQ_REMOVE(&events, n, link);
76			(*n->func)(n->arg);
77			free(n);
78			}
79			}
80
81			struct event *
82			timer_add_event(char name, void (func)(void ), void arg,
83			struct timeval *expiration)
84			{
85			struct event ev = malloc(sizeof ev);
86			struct event *n;
87			struct timeval now;
88
89			if (!ev)
90			return 0;
91			ev->name = name;
92			ev->func = func;
93			ev->arg = arg;
94			gettimeofday(&now, 0);
95			memcpy(&ev->expiration, expiration, sizeof *expiration);
96			for (n = TAILQ_FIRST(&events);
97			n && timercmp(expiration, &n->expiration, >=);
98			n = TAILQ_NEXT(n, link))
99			;
100			if (n) {
101			LOG_DBG((LOG_TIMER, 10,
102			"timer_add_event: event %s(%p) added before %s(%p), "
103			"expiration in %llds", name, arg, n->name, n->arg,
104			(long long)(expiration->tv_sec - now.tv_sec)));
105			TAILQ_INSERT_BEFORE(n, ev, link);
106			} else {
107			LOG_DBG((LOG_TIMER, 10, "timer_add_event: event %s(%p) added "
108			"last, expiration in %ds", name, arg,
109			(int)(expiration->tv_sec - now.tv_sec)));
110			TAILQ_INSERT_TAIL(&events, ev, link);
111			}
112			return ev;
113			}
114
115			void
116			timer_remove_event(struct event *ev)
117			{
118			LOG_DBG((LOG_TIMER, 10, "timer_remove_event: removing event %s(%p)",
119			ev->name, ev->arg));
120			TAILQ_REMOVE(&events, ev, link);
121			free(ev);
122			}
123
124			void
125			timer_report(void)
126			{
127			struct event *ev;
128			struct timeval now;
129
130			gettimeofday(&now, 0);
131
132			for (ev = TAILQ_FIRST(&events); ev; ev = TAILQ_NEXT(ev, link))
133			LOG_DBG((LOG_REPORT, 0,
134			"timer_report: event %s(%p) scheduled in %d seconds",
135			(ev->name ? ev->name : "<unknown>"), ev,
136			(int) (ev->expiration.tv_sec - now.tv_sec)));
137			}