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feed SETEX as SET and EXPIREAT to AOF

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This commit is contained in:
Pieter Noordhuis 2010-05-13 14:15:06 +02:00
parent 3350558346
commit 9376e434f0
1 changed files with 44 additions and 29 deletions
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73
redis.c
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@ -8068,9 +8068,41 @@ static void flushAppendOnlyFile(void) {
}
}
static sds catAppendOnlyGenericCommand(sds buf, int argc, robj **argv) {
int j;
buf = sdscatprintf(buf,"*%d\r\n",argc);
for (j = 0; j < argc; j++) {
robj *o = getDecodedObject(argv[j]);
buf = sdscatprintf(buf,"$%lu\r\n",(unsigned long)sdslen(o->ptr));
buf = sdscatlen(buf,o->ptr,sdslen(o->ptr));
buf = sdscatlen(buf,"\r\n",2);
decrRefCount(o);
}
return buf;
}
static sds catAppendOnlyExpireAtCommand(sds buf, robj *key, robj *seconds) {
int argc = 3;
long when;
robj *argv[3];
/* Make sure we can use strtol */
seconds = getDecodedObject(seconds);
when = time(NULL)+strtol(seconds->ptr,NULL,10);
decrRefCount(seconds);
argv[0] = createStringObject("EXPIREAT",8);
argv[1] = key;
argv[2] = createObject(REDIS_STRING,
sdscatprintf(sdsempty(),"%ld",when));
buf = catAppendOnlyGenericCommand(buf, argc, argv);
decrRefCount(argv[0]);
decrRefCount(argv[2]);
return buf;
}
static void feedAppendOnlyFile(struct redisCommand *cmd, int dictid, robj **argv, int argc) {
sds buf = sdsempty();
int j;
robj *tmpargv[3];
/* The DB this command was targetting is not the same as the last command
@ -8084,36 +8116,19 @@ static void feedAppendOnlyFile(struct redisCommand *cmd, int dictid, robj **argv
server.appendseldb = dictid;
}
/* "Fix" the argv vector if the command is EXPIRE. We want to translate
* EXPIREs into EXPIREATs calls */
if (cmd->proc == expireCommand) {
long when;
tmpargv[0] = createStringObject("EXPIREAT",8);
/* Translate EXPIRE into EXPIREAT */
buf = catAppendOnlyExpireAtCommand(buf,argv[1],argv[2]);
} else if (cmd->proc == setexCommand) {
/* Translate SETEX to SET and EXPIREAT */
tmpargv[0] = createStringObject("SET",3);
tmpargv[1] = argv[1];
incrRefCount(argv[1]);
when = time(NULL)+strtol(argv[2]->ptr,NULL,10);
tmpargv[2] = createObject(REDIS_STRING,
sdscatprintf(sdsempty(),"%ld",when));
argv = tmpargv;
}
/* Append the actual command */
buf = sdscatprintf(buf,"*%d\r\n",argc);
for (j = 0; j < argc; j++) {
robj *o = argv[j];
o = getDecodedObject(o);
buf = sdscatprintf(buf,"$%lu\r\n",(unsigned long)sdslen(o->ptr));
buf = sdscatlen(buf,o->ptr,sdslen(o->ptr));
buf = sdscatlen(buf,"\r\n",2);
decrRefCount(o);
}
/* Free the objects from the modified argv for EXPIREAT */
if (cmd->proc == expireCommand) {
for (j = 0; j < 3; j++)
decrRefCount(argv[j]);
tmpargv[2] = argv[3];
buf = catAppendOnlyGenericCommand(buf,3,tmpargv);
decrRefCount(tmpargv[0]);
buf = catAppendOnlyExpireAtCommand(buf,argv[1],argv[2]);
} else {
buf = catAppendOnlyGenericCommand(buf,argc,argv);
}
/* Append to the AOF buffer. This will be flushed on disk just before