Function sentinelRedisInstanceLookupSlave

src/sentinel.cpp:1420–1441

Lookup a slave in a master Redis instance, by ip and port. */

/* Lookup a slave in a master Redis instance, by ip and port. */
sentinelRedisInstance *sentinelRedisInstanceLookupSlave(
                sentinelRedisInstance *ri, char *slave_addr, int port)
{
    sds key;
    sentinelRedisInstance *slave;
    sentinelAddr *addr;

    serverAssert(ri->flags & SRI_MASTER);

    /* We need to handle a slave_addr that is potentially a hostname.
     * If that is the case, depending on configuration we either resolve
     * it and use the IP addres or fail.
     */
    addr = createSentinelAddr(slave_addr, port);
    if (!addr) return NULL;
    key = announceSentinelAddrAndPort(addr);
    releaseSentinelAddr(addr);

    slave = (sentinelRedisInstance*)dictFetchValue(ri->slaves,key);
    sdsfree(key);
    return slave;
}

/* Return the name of the type of the instance as a string. */
const char *sentinelRedisInstanceTypeStr(sentinelRedisInstance *ri) {