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authorOthmar Gsenger <otti@anytun.org>2007-12-27 11:13:13 +0000
committerOthmar Gsenger <otti@anytun.org>2007-12-27 11:13:13 +0000
commit6dc4f1912caf7f01f4b977ff8aaa50be61db2aba (patch)
treed7a281c430052e04156265d9ab3108c631360a5e /keyexchange/isakmpd-20041012/timer.c
parentremoved old isakmpd (diff)
adden new isakmpd
Diffstat (limited to 'keyexchange/isakmpd-20041012/timer.c')
-rw-r--r--keyexchange/isakmpd-20041012/timer.c139
1 files changed, 139 insertions, 0 deletions
diff --git a/keyexchange/isakmpd-20041012/timer.c b/keyexchange/isakmpd-20041012/timer.c
new file mode 100644
index 0000000..45bcc49
--- /dev/null
+++ b/keyexchange/isakmpd-20041012/timer.c
@@ -0,0 +1,139 @@
+/* $OpenBSD: timer.c,v 1.14 2004/06/14 09:55:42 ho 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 "sysdep.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 = (struct event *) 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 %lds", name,
+ arg, n->name, n->arg, 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 %lds", name, arg,
+ 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)));
+}