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ruanhaishen
redis
Commits
585af7e2
Commit
585af7e2
authored
May 08, 2010
by
antirez
Browse files
minor changes to improve code readability
parent
242a64f3
Changes
1
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Inline
Side-by-side
redis.c
View file @
585af7e2
...
...
@@ -3947,10 +3947,9 @@ static robj *rdbLoadObject(int type, FILE *fp) {
static int rdbLoad(char *filename) {
FILE *fp;
robj *keyobj = NULL;
uint32_t dbid;
int type, retval, rdbver;
int
dataset_too_big
= 0;
int
swap_all_values
= 0;
dict *d = server.db[0].dict;
redisDb *db = server.db+0;
char buf[1024];
...
...
@@ -3973,9 +3972,9 @@ static int rdbLoad(char *filename) {
return REDIS_ERR;
}
while(1) {
robj *o;
expiretime = -1;
robj *key, *val;
expiretime = -1;
/* Read type. */
if ((type = rdbLoadType(fp)) == -1) goto eoferr;
if (type == REDIS_EXPIRETIME) {
...
...
@@ -3997,22 +3996,22 @@ static int rdbLoad(char *filename) {
continue;
}
/* Read key */
if ((key
obj
= rdbLoadStringObject(fp)) == NULL) goto eoferr;
if ((key = rdbLoadStringObject(fp)) == NULL) goto eoferr;
/* Read value */
if ((
o
= rdbLoadObject(type,fp)) == NULL) goto eoferr;
if ((
val
= rdbLoadObject(type,fp)) == NULL) goto eoferr;
/* Add the new object in the hash table */
retval = dictAdd(d,key
obj,o
);
retval = dictAdd(d,key
,val
);
if (retval == DICT_ERR) {
redisLog(REDIS_WARNING,"Loading DB, duplicated key (%s) found! Unrecoverable error, exiting now.", key
obj
->ptr);
redisLog(REDIS_WARNING,"Loading DB, duplicated key (%s) found! Unrecoverable error, exiting now.", key->ptr);
exit(1);
}
loadedkeys++;
/* Set the expire time if needed */
if (expiretime != -1) {
setExpire(db,key
obj
,expiretime);
setExpire(db,key,expiretime);
/* Delete this key if already expired */
if (expiretime < now) {
deleteKey(db,key
obj
);
deleteKey(db,key);
continue; /* don't try to swap this out */
}
}
...
...
@@ -4024,15 +4023,15 @@ static int rdbLoad(char *filename) {
* Note that's important to check for this condition before resorting
* to random sampling, otherwise we may try to swap already
* swapped keys. */
if (
dataset_too_big
) {
dictEntry *de = dictFind(d,key
obj
);
if (
swap_all_values
) {
dictEntry *de = dictFind(d,key);
/* de may be NULL since the key already expired */
if (de) {
key
obj
= dictGetEntryKey(de);
o
= dictGetEntryVal(de);
key = dictGetEntryKey(de);
val
= dictGetEntryVal(de);
if (vmSwapObjectBlocking(key
obj,o
) == REDIS_OK) {
if (vmSwapObjectBlocking(key
,val
) == REDIS_OK) {
dictGetEntryVal(de) = NULL;
}
}
...
...
@@ -4041,19 +4040,18 @@ static int rdbLoad(char *filename) {
/* If we have still some hope of having some value fitting memory
* then we try random sampling. */
if (!
dataset_too_big
&& server.vm_enabled && (loadedkeys % 5000) == 0) {
if (!
swap_all_values
&& server.vm_enabled && (loadedkeys % 5000) == 0) {
while (zmalloc_used_memory() > server.vm_max_memory) {
if (vmSwapOneObjectBlocking() == REDIS_ERR) break;
}
if (zmalloc_used_memory() > server.vm_max_memory)
dataset_too_big = 1;
swap_all_values = 1; /* We are already using too much mem */
}
}
fclose(fp);
return REDIS_OK;
eoferr: /* unexpected end of file is handled here with a fatal exit */
if (keyobj) decrRefCount(keyobj);
redisLog(REDIS_WARNING,"Short read or OOM loading DB. Unrecoverable error, aborting now.");
exit(1);
return REDIS_ERR; /* Just to avoid warning */
...
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