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call(): selective ability to prevent propagation on AOF / slaves.

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This commit is contained in:
antirez 2015-10-29 11:05:27 +01:00
parent 9dd3d2e9bd
commit cdda6748c2
2 changed files with 35 additions and 7 deletions
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28
src/server.c
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@ -2157,6 +2157,16 @@ void preventCommandPropagation(client *c) {
c->flags |= CLIENT_PREVENT_PROP;
}
/* AOF specific version of preventCommandPropagation(). */
void preventCommandAOF(client *c) {
c->flags |= CLIENT_PREVENT_AOF_PROP;
}
/* Replication specific version of preventCommandPropagation(). */
void preventCommandReplication(client *c) {
c->flags |= CLIENT_PREVENT_REPL_PROP;
}
/* Call() is the core of Redis execution of a command */
void call(client *c, int flags) {
long long dirty, start, duration;
@ -2216,10 +2226,24 @@ void call(client *c, int flags) {
if (flags & CMD_CALL_PROPAGATE && (c->flags & CLIENT_PREVENT_PROP) == 0) {
int flags = PROPAGATE_NONE;
if (c->flags & CLIENT_FORCE_REPL) flags |= PROPAGATE_REPL;
if (c->flags & CLIENT_FORCE_AOF) flags |= PROPAGATE_AOF;
/* Check if the command operated changes in the data set. If so
* set for replication / AOF propagation. */
if (dirty)
flags |= (PROPAGATE_REPL | PROPAGATE_AOF);
/* If the command forced AOF / replication of the command, set
* the flags regardless of the command effects on the data set. */
if (c->flags & CLIENT_FORCE_REPL) flags |= PROPAGATE_REPL;
if (c->flags & CLIENT_FORCE_AOF) flags |= PROPAGATE_AOF;
/* However calls to preventCommandPropagation() or its selective
* variants preventCommandAOF() and preventCommandReplicaiton()
* will clear the flags to avoid propagation. */
if (c->flags & CLIENT_PREVENT_REPL_PROP) flags &= ~PROPAGATE_REPL;
if (c->flags & CLIENT_PREVENT_AOF_PROP) flags &= ~PROPAGATE_AOF;
/* Call propagate() only if at least one of AOF / replication
* propagation is needed. */
if (flags != PROPAGATE_NONE)
propagate(c->cmd,c->db->id,c->argv,c->argc,flags);
}

14
src/server.h
View File

@ -242,12 +242,14 @@ typedef long long mstime_t; /* millisecond time type. */
#define CLIENT_PRE_PSYNC (1<<16) /* Instance don't understand PSYNC. */
#define CLIENT_READONLY (1<<17) /* Cluster client is in read-only state. */
#define CLIENT_PUBSUB (1<<18) /* Client is in Pub/Sub mode. */
#define CLIENT_PREVENT_PROP (1<<19) /* Don't propagate to AOF / Slaves. */
#define CLIENT_PENDING_WRITE (1<<20) /* Client has output to send but a write
#define CLIENT_PREVENT_AOF_PROP (1<<19) /* Don't propagate to AOF. */
#define CLIENT_PREVENT_REPL_PROP (1<<20) /* Don't propagate to slaves. */
#define CLIENT_PREVENT_PROP (CLIENT_PREVENT_AOF_PROP|CLIENT_PREVENT_REPL_PROP)
#define CLIENT_PENDING_WRITE (1<<21) /* Client has output to send but a write
handler is yet not installed. */
#define CLIENT_REPLY_OFF (1<<21) /* Don't send replies to client. */
#define CLIENT_REPLY_SKIP_NEXT (1<<22) /* Set CLIENT_REPLY_SKIP for next cmd */
#define CLIENT_REPLY_SKIP (1<<23) /* Don't send just this reply. */
#define CLIENT_REPLY_OFF (1<<22) /* Don't send replies to client. */
#define CLIENT_REPLY_SKIP_NEXT (1<<23) /* Set CLIENT_REPLY_SKIP for next cmd */
#define CLIENT_REPLY_SKIP (1<<24) /* Don't send just this reply. */
/* Client block type (btype field in client structure)
* if CLIENT_BLOCKED flag is set. */
@ -1306,6 +1308,8 @@ void propagate(struct redisCommand *cmd, int dbid, robj **argv, int argc, int fl
void alsoPropagate(struct redisCommand *cmd, int dbid, robj **argv, int argc, int target);
void forceCommandPropagation(client *c, int flags);
void preventCommandPropagation(client *c);
void preventCommandAOF(client *c);
void preventCommandReplication(client *c);
int prepareForShutdown();
#ifdef __GNUC__
void serverLog(int level, const char *fmt, ...)