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honor 'server_expired_ttl' in redis

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Talkabout 2020-03-29 23:53:01 +02:00
parent f66a519dff
commit fa0623a9b5
1 changed files with 9 additions and 3 deletions
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12
cachedb/redis.c
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@ -47,6 +47,7 @@
#include "util/alloc.h"
#include "util/config_file.h"
#include "sldns/sbuffer.h"
#include <stdbool.h>
#ifdef USE_REDIS
#include "hiredis/hiredis.h"
@ -254,8 +255,13 @@ redis_store(struct module_env* env, struct cachedb_env* cachedb_env,
redisReply* rep;
int n;
int size;
bool set_ttl = !env->cfg->serve_expired || env->cfg->serve_expired_ttl > 0;
if (env->cfg->serve_expired) {
if (env->cfg->serve_expired_ttl > 0) {
ttl += env->cfg->serve_expired_ttl;
}
if (!set_ttl) {
size = 4+(CACHEDB_HASHSIZE/8)*2+3+1;
}
else {
@ -264,10 +270,10 @@ redis_store(struct module_env* env, struct cachedb_env* cachedb_env,
char cmdbuf[size]; /* "SET " + key + " %b EX " + ttl */
if (env->cfg->serve_expired) {
if (!set_ttl) {
verbose(VERB_ALGO, "redis_store %s (%d bytes)", key, (int)data_len);
/* build command to set to a binary safe string */
n = snprintf(cmdbuf, sizeof(cmdbuf), "SET %s %%b EX %d", key, ttl);
n = snprintf(cmdbuf, sizeof(cmdbuf), "SET %s %%b", key);
}
else {
verbose(VERB_ALGO, "redis_store %s (%d bytes) with ttl %d", key, (int)data_len, ttl);