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Fix infinite loop when time got backwards

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PR:		ports/78302
Submitted by:	marck
This commit is contained in:
Munechika SUMIKAWA 2005-05-19 09:28:47 +00:00
parent 90abca96c1
commit 0f4b97f921
Notes: svn2git 2021-03-31 03:12:20 +00:00 
svn path=/head/; revision=135593
2 changed files with 38 additions and 0 deletions
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1
net/zebra/Makefile
View File

@ -7,6 +7,7 @@
PORTNAME= zebra
PORTVERSION= 0.95
PORTREVISION= 1
CATEGORIES= net ipv6
MASTER_SITES= ftp://ftp.zebra.org/pub/zebra/ \
ftp://ftp.ripe.net/mirrors/sites/ftp.zebra.org/pub/zebra/ \

37
net/zebra/files/patch-ospfd_ospf_lsa.c Normal file
View File

@ -0,0 +1,37 @@
--- ospfd/ospf_lsa.c.orig Mon Feb 28 03:09:10 2005
+++ ospfd/ospf_lsa.c Thu May 19 17:59:09 2005
@@ -3324,6 +3324,7 @@
listnode node;
struct ospf *ospf = THREAD_ARG (t);
int i;
+ time_t ct;
list lsa_to_refresh = list_new ();
if (IS_DEBUG_OSPF (lsa, LSA_REFRESH))
@@ -3331,15 +3332,25 @@
i = ospf->lsa_refresh_queue.index;
+
+ if ((ct = time(NULL)) < ospf->lsa_refresher_started) {
+ zlog_info ("LSA[Refresh]: ospf_lsa_refresh_walker(): HACK: fixing lsa_refresher_started: %d -> %d", ospf->lsa_refresher_started, ct);
+ ospf->lsa_refresher_started = ct;
+ }
ospf->lsa_refresh_queue.index =
(ospf->lsa_refresh_queue.index +
- (time (NULL) - ospf->lsa_refresher_started) / OSPF_LSA_REFRESHER_GRANULARITY)
+ (ct - ospf->lsa_refresher_started) / OSPF_LSA_REFRESHER_GRANULARITY)
% OSPF_LSA_REFRESHER_SLOTS;
if (IS_DEBUG_OSPF (lsa, LSA_REFRESH))
zlog_info ("LSA[Refresh]: ospf_lsa_refresh_walker(): next index %d",
ospf->lsa_refresh_queue.index);
+
+ if (ospf->lsa_refresh_queue.index >= OSPF_LSA_REFRESHER_SLOTS) {
+ zlog_info ("LSA[Refresh]: ospf_lsa_refresh_walker(): HACK: fixing index: %hu -> 0", ospf->lsa_refresh_queue.index);
+ ospf->lsa_refresh_queue.index = 0;
+ }
for (;i != ospf->lsa_refresh_queue.index;
i = (i + 1) % OSPF_LSA_REFRESHER_SLOTS)