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RDB: make RDB check aware of LFU/LRU opcodes.

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This commit is contained in:
antirez 2018-03-15 16:39:33 +01:00
parent 8176a2ee76
commit b1aae86fc6
1 changed files with 13 additions and 9 deletions
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22
src/redis-check-rdb.c
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@ -202,10 +202,10 @@ int redis_check_rdb(char *rdbfilename, FILE *fp) {
goto err;
}
expiretime = -1;
startLoading(fp);
while(1) {
robj *key, *val;
expiretime = -1;
/* Read type. */
rdbstate.doing = RDB_CHECK_DOING_READ_TYPE;
@ -218,20 +218,23 @@ int redis_check_rdb(char *rdbfilename, FILE *fp) {
* to load. Note that after loading an expire we need to
* load the actual type, and continue. */
if ((expiretime = rdbLoadTime(&rdb)) == -1) goto eoferr;
/* We read the time so we need to read the object type again. */
rdbstate.doing = RDB_CHECK_DOING_READ_TYPE;
if ((type = rdbLoadType(&rdb)) == -1) goto eoferr;
/* the EXPIRETIME opcode specifies time in seconds, so convert
* into milliseconds. */
expiretime *= 1000;
continue; /* Read next opcode. */
} else if (type == RDB_OPCODE_EXPIRETIME_MS) {
/* EXPIRETIME_MS: milliseconds precision expire times introduced
* with RDB v3. Like EXPIRETIME but no with more precision. */
rdbstate.doing = RDB_CHECK_DOING_READ_EXPIRE;
if ((expiretime = rdbLoadMillisecondTime(&rdb)) == -1) goto eoferr;
/* We read the time so we need to read the object type again. */
rdbstate.doing = RDB_CHECK_DOING_READ_TYPE;
if ((type = rdbLoadType(&rdb)) == -1) goto eoferr;
continue; /* Read next opcode. */
} else if (type == RDB_OPCODE_FREQ) {
/* FREQ: LFU frequency. */
uint8_t byte;
if (rioRead(&rdb,&byte,1) == 0) goto eoferr;
continue; /* Read next opcode. */
} else if (type == RDB_OPCODE_IDLE) {
/* IDLE: LRU idle time. */
if (rdbLoadLen(&rdb,NULL) == RDB_LENERR) goto eoferr;
continue; /* Read next opcode. */
} else if (type == RDB_OPCODE_EOF) {
/* EOF: End of file, exit the main loop. */
break;
@ -296,6 +299,7 @@ int redis_check_rdb(char *rdbfilename, FILE *fp) {
decrRefCount(key);
decrRefCount(val);
rdbstate.key_type = -1;
expiretime = -1;
}
/* Verify the checksum if RDB version is >= 5 */
if (rdbver >= 5 && server.rdb_checksum) {