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touched key for WATCH refactored into a more general thing that can be used also for the cache system. Some more changes towards diskstore working.

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This commit is contained in:
antirez
2010-12-29 19:39:42 +01:00
parent d021221086
commit cea8c5cd75
12 changed files with 96 additions and 91 deletions
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35
src/db.c
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@ -152,20 +152,41 @@ int selectDb(redisClient *c, int id) {
return REDIS_OK;
}
/*-----------------------------------------------------------------------------
* Hooks for key space changes.
*
* Every time a key in the database is modified the function
* signalModifiedKey() is called.
*
* Every time a DB is flushed the function signalFlushDb() is called.
*----------------------------------------------------------------------------*/
void signalModifiedKey(redisDb *db, robj *key) {
touchWatchedKey(db,key);
if (server.ds_enabled)
cacheScheduleForFlush(db,key);
}
void signalFlushedDb(int dbid) {
touchWatchedKeysOnFlush(dbid);
if (server.ds_enabled)
dsFlushDb(dbid);
}
/*-----------------------------------------------------------------------------
* Type agnostic commands operating on the key space
*----------------------------------------------------------------------------*/
void flushdbCommand(redisClient *c) {
server.dirty += dictSize(c->db->dict);
touchWatchedKeysOnFlush(c->db->id);
signalFlushedDb(c->db->id);
dictEmpty(c->db->dict);
dictEmpty(c->db->expires);
addReply(c,shared.ok);
}
void flushallCommand(redisClient *c) {
touchWatchedKeysOnFlush(-1);
signalFlushedDb(-1);
server.dirty += emptyDb();
addReply(c,shared.ok);
if (server.bgsavechildpid != -1) {
@ -181,7 +202,7 @@ void delCommand(redisClient *c) {
for (j = 1; j < c->argc; j++) {
if (dbDelete(c->db,c->argv[j])) {
touchWatchedKey(c->db,c->argv[j]);
signalModifiedKey(c->db,c->argv[j]);
server.dirty++;
deleted++;
}
@ -327,8 +348,8 @@ void renameGenericCommand(redisClient *c, int nx) {
dbReplace(c->db,c->argv[2],o);
}
dbDelete(c->db,c->argv[1]);
touchWatchedKey(c->db,c->argv[1]);
touchWatchedKey(c->db,c->argv[2]);
signalModifiedKey(c->db,c->argv[1]);
signalModifiedKey(c->db,c->argv[2]);
server.dirty++;
addReply(c,nx ? shared.cone : shared.ok);
}
@ -487,13 +508,13 @@ void expireGenericCommand(redisClient *c, robj *key, robj *param, long offset) {
if (seconds <= 0) {
if (dbDelete(c->db,key)) server.dirty++;
addReply(c, shared.cone);
touchWatchedKey(c->db,key);
signalModifiedKey(c->db,key);
return;
} else {
time_t when = time(NULL)+seconds;
setExpire(c->db,key,when);
addReply(c,shared.cone);
touchWatchedKey(c->db,key);
signalModifiedKey(c->db,key);
server.dirty++;
return;
}