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make it possible to specify how many times ctdb killtcp will try to RST

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the tcp connection

change the 60.nfs script to run ctdb killtcp in the foreground so we 
dont get lots of these running in parallel when there are a lot of tcp 
connections to rst

(This used to be ctdb commit d81616214752882242f2886e94681972a790db80)
This commit is contained in:
Ronnie Sahlberg 2007-07-10 10:24:20 +10:00
parent 1c32f65ee0
commit d81bca2072
2 changed files with 8 additions and 6 deletions
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4
ctdb/config/events.d/60.nfs
View File

@ -70,8 +70,8 @@ case $cmd in
srcport=`echo $src | cut -d: -f2`
destip=`echo $dest | cut -d: -f1`
destport=`echo $dest | cut -d: -f2`
ctdb killtcp $srcip:$srcport $destip:$destport >/dev/null 2>&1 &
ctdb killtcp $destip:$destport $srcip:$srcport >/dev/null 2>&1 &
ctdb killtcp $srcip:$srcport $destip:$destport 1 >/dev/null 2>&1
ctdb killtcp $destip:$destport $srcip:$srcport 1 >/dev/null 2>&1
done
} > /dev/null 2>&1
/bin/rm -f /etc/ctdb/state/nfs/restart

10
ctdb/tools/ctdb.c
View File

@ -308,10 +308,10 @@ static int control_status(struct ctdb_context *ctdb, int argc, const char **argv
*/
static int kill_tcp(struct ctdb_context *ctdb, int argc, const char **argv)
{
int i, ret;
int i, ret, numrst;
struct sockaddr_in src, dst;
if (argc < 2) {
if (argc < 3) {
usage();
}
@ -325,7 +325,9 @@ static int kill_tcp(struct ctdb_context *ctdb, int argc, const char **argv)
return -1;
}
for (i=0;i<5;i++) {
numrst = strtoul(argv[2], NULL, 0);
for (i=0;i<numrst;i++) {
ret = ctdb_sys_kill_tcp(ctdb->ev, &src, &dst);
printf("ret:%d\n", ret);
@ -889,7 +891,7 @@ static const struct {
{ "recover", control_recover, true, "force recovery" },
{ "freeze", control_freeze, true, "freeze all databases" },
{ "thaw", control_thaw, true, "thaw all databases" },
{ "killtcp", kill_tcp, false, "kill a tcp connection", "<srcip:port> <dstip:port>" },
{ "killtcp", kill_tcp, false, "kill a tcp connection. Try <num> times.", "<srcip:port> <dstip:port> <num>" },
{ "tickle", tickle_tcp, false, "send a tcp tickle ack", "<srcip:port> <dstip:port>" },
};