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Cluster: fixed data_age computation / check integer overflow.

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This commit is contained in:
antirez 2014-05-12 17:43:36 +02:00
parent 2692339138
commit 832a298005
1 changed files with 4 additions and 3 deletions
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7
src/cluster.c
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@ -2318,9 +2318,10 @@ void clusterHandleSlaveFailover(void) {
/* Set data_age to the number of seconds we are disconnected from
* the master. */
if (server.repl_state == REDIS_REPL_CONNECTED) {
data_age = (server.unixtime - server.master->lastinteraction) * 1000;
data_age = (mstime_t)(server.unixtime - server.master->lastinteraction)
* 1000;
} else {
data_age = (server.unixtime - server.repl_down_since) * 1000;
data_age = (mstime_t)(server.unixtime - server.repl_down_since) * 1000;
}
/* Remove the node timeout from the data age as it is fine that we are
@ -2335,7 +2336,7 @@ void clusterHandleSlaveFailover(void) {
*
* Check bypassed for manual failovers. */
if (data_age >
(server.repl_ping_slave_period * 1000) +
((mstime_t)server.repl_ping_slave_period * 1000) +
(server.cluster_node_timeout * REDIS_CLUSTER_SLAVE_VALIDITY_MULT))
{
if (!manual_failover) return;