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Tracking: always reply with an array of keys.

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This commit is contained in:
antirez 2020-02-10 13:42:18 +01:00
parent a788c373e6
commit 3e8c69a9de
2 changed files with 10 additions and 3 deletions
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8
src/pubsub.c
View File

@ -35,7 +35,11 @@ int clientSubscriptionsCount(client *c);
* Pubsub client replies API
*----------------------------------------------------------------------------*/
/* Send a pubsub message of type "message" to the client. */
/* Send a pubsub message of type "message" to the client.
* Normally 'msg' is a Redis object containing the string to send as
* message. However if the caller sets 'msg' as NULL, it will be able
* to send a special message (for instance an Array type) by using the
* addReply*() API family. */
void addReplyPubsubMessage(client *c, robj *channel, robj *msg) {
if (c->resp == 2)
addReply(c,shared.mbulkhdr[3]);
@ -43,7 +47,7 @@ void addReplyPubsubMessage(client *c, robj *channel, robj *msg) {
addReplyPushLen(c,3);
addReply(c,shared.messagebulk);
addReplyBulk(c,channel);
addReplyBulk(c,msg);
if (msg) addReplyBulk(c,msg);
}
/* Send a pubsub message of type "pmessage" to the client. The difference

5
src/tracking.c
View File

@ -132,13 +132,16 @@ void sendTrackingMessage(client *c, char *keyname, size_t keylen) {
if (c->resp > 2) {
addReplyPushLen(c,2);
addReplyBulkCBuffer(c,"invalidate",10);
addReplyArrayLen(c,1);
addReplyBulkCBuffer(c,keyname,keylen);
} else if (using_redirection && c->flags & CLIENT_PUBSUB) {
/* We use a static object to speedup things, however we assume
* that addReplyPubsubMessage() will not take a reference. */
robj keyobj;
initStaticStringObject(keyobj,keyname);
addReplyPubsubMessage(c,TrackingChannelName,&keyobj);
addReplyPubsubMessage(c,TrackingChannelName,NULL);
addReplyArrayLen(c,1);
addReplyBulk(c,&keyobj);
serverAssert(keyobj.refcount == 1);
}
}