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CLUSTER subcommands to set slots in migrating or importing state. Still a work in progress...

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This commit is contained in:
antirez 2011-04-29 17:34:03 +02:00
parent 484354ff95
commit 2f52dac9ef
1 changed files with 39 additions and 2 deletions
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41
src/cluster.c
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@ -1168,6 +1168,44 @@ void clusterCommand(redisClient *c) {
clusterUpdateState();
clusterSaveConfigOrDie();
addReply(c,shared.ok);
} else if (!strcasecmp(c->argv[1]->ptr,"setslot") && c->argc >= 4) {
/* SETSLOT 10 MIGRATING <instance ID> */
/* SETSLOT 10 IMPORTING <instance ID> */
/* SETSLOT 10 STABLE */
long long aux;
unsigned int slot;
clusterNode *n;
if (getLongLongFromObjectOrReply(c,c->argv[2],&aux,NULL) != REDIS_OK)
return;
if (aux < 0 || aux >= REDIS_CLUSTER_SLOTS) {
addReplyError(c,"Slot out of range");
return;
}
slot = (unsigned int) aux;
if (server.cluster.slots[slot] != server.cluster.myself) {
addReplyErrorFormat(c,"I'm not the owner of hash slot %u",slot);
return;
}
if (!strcasecmp(c->argv[3]->ptr,"migrating") && c->argc == 5) {
if ((n = clusterLookupNode(c->argv[4]->ptr)) == NULL) {
addReplyErrorFormat(c,"I don't know about node %s",
(char*)c->argv[4]->ptr);
return;
}
server.cluster.migrating_slots_to[slot] = n;
} else if (!strcasecmp(c->argv[3]->ptr,"importing") && c->argc == 5) {
if ((n = clusterLookupNode(c->argv[4]->ptr)) == NULL) {
addReplyErrorFormat(c,"I don't know about node %s",
(char*)c->argv[3]->ptr);
return;
}
server.cluster.importing_slots_from[slot] = n;
} else if (!strcasecmp(c->argv[3]->ptr,"stable") && c->argc == 4) {
server.cluster.importing_slots_from[slot] = NULL;
} else {
addReplyError(c,"Invalid CLUSTER SETSLOT action or number of arguments");
}
} else if (!strcasecmp(c->argv[1]->ptr,"info") && c->argc == 2) {
char *statestr[] = {"ok","fail","needhelp"};
int slots_assigned = 0, slots_ok = 0, slots_pfail = 0, slots_fail = 0;
@ -1211,8 +1249,7 @@ void clusterCommand(redisClient *c) {
addReplyLongLong(c,keyHashSlot(key,sdslen(key)));
} else if (!strcasecmp(c->argv[1]->ptr,"getkeysinslot") && c->argc == 4) {
long long maxkeys, slot;
unsigned int numkeys;
int j;
unsigned int numkeys, j;
robj **keys;
if (getLongLongFromObjectOrReply(c,c->argv[2],&slot,NULL) != REDIS_OK)