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Cluster: handle FAILOVER_AUTH_REQUEST in clusterProcessPacket().

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However currently the control is passed to a function doing nothing at
all.
This commit is contained in:
antirez 2013-03-13 18:38:08 +01:00
parent ece95b2dea
commit 44f6fdab60
1 changed files with 19 additions and 0 deletions
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19
src/cluster.c
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@ -40,6 +40,7 @@ void clusterAcceptHandler(aeEventLoop *el, int fd, void *privdata, int mask);
void clusterReadHandler(aeEventLoop *el, int fd, void *privdata, int mask);
void clusterSendPing(clusterLink *link, int type);
void clusterSendFail(char *nodename);
void clusterSendFailoverAuthIfNeeded(clusterNode *sender);
void clusterUpdateState(void);
int clusterNodeGetSlotBit(clusterNode *n, int slot);
sds clusterGenNodesDescription(void);
@ -870,7 +871,13 @@ int clusterProcessPacket(clusterLink *link) {
* status... */
return 0;
}
} else if (type == CLUSTERMSG_TYPE_FAILOVER_AUTH_REQUEST) {
if (!sender) return 0; /* We don't know that node. */
/* If we are not a master, ignore that message at all. */
if (!(server.cluster->myself->flags & REDIS_NODE_MASTER)) return 0;
clusterSendFailoverAuthIfNeeded(sender);
}
/* Update our info about the node */
if (link->node) link->node->pong_received = time(NULL);
@ -1267,6 +1274,18 @@ void clusterRequestFailoverAuth(void) {
clusterBroadcastMessage(payload,totlen);
}
/* If we believe 'sender' is the "first slave" of it's master, reply with
* a FAILOVER_AUTH_GRANTED packet.
*
* To be a first slave the sender must:
* 1) Be a slave.
* 2) Its master should be in FAIL state.
* 3) Ordering all the slave IDs for its master by run-id, it should be the
* first (the smallest).
*/
void clusterSendFailoverAuthIfNeeded(clusterNode *sender) {
}
/* This function is called if we are a slave node and our master serving
* a non-zero amount of hash slots is in PFAIL state.
*