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Streams: generate a few additional events.

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Currently it does not look it's sensible to generate events for streams
consumer groups modification, being them metadata, however at least for
key-level events, like the creation or removal of a consumer group, I
added a few events here and there. Later we can evaluate if it makes
sense to add more. From the POV instead of WAIT (in Redis transaciton)
and signaling the key as modified, it looks like that the transaction
should not fail when a stream is modified, so no calls are made in
consumer groups related functions to signalModifiedKey().
This commit is contained in:
antirez 2018-06-12 18:10:41 +02:00
parent b38682199b
commit 6b8a24a665
1 changed files with 8 additions and 1 deletions
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9
src/t_stream.c
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@ -1379,7 +1379,7 @@ void xreadCommand(client *c) {
/* Emit the two elements sub-array consisting of the name
* of the stream and the data we extracted from it. */
addReplyMultiBulkLen(c,2);
addReplyBulk(c,c->argv[i+streams_arg]);
addReplyBulk(c,c->argv[streams_arg+i]);
streamConsumer *consumer = NULL;
if (groups) consumer = streamLookupConsumer(groups[i],
consumername->ptr,1);
@ -1606,6 +1606,8 @@ NULL
if (cg) {
addReply(c,shared.ok);
server.dirty++;
notifyKeyspaceEvent(NOTIFY_STREAM,"xgroup-create",
c->argv[2],c->db->id);
} else {
addReplySds(c,
sdsnew("-BUSYGROUP Consumer Group name already exists\r\n"));
@ -1620,12 +1622,15 @@ NULL
cg->last_id = id;
addReply(c,shared.ok);
server.dirty++;
notifyKeyspaceEvent(NOTIFY_STREAM,"xgroup-setid",c->argv[2],c->db->id);
} else if (!strcasecmp(opt,"DESTROY") && c->argc == 4) {
if (cg) {
raxRemove(s->cgroups,(unsigned char*)grpname,sdslen(grpname),NULL);
streamFreeCG(cg);
addReply(c,shared.cone);
server.dirty++;
notifyKeyspaceEvent(NOTIFY_STREAM,"xgroup-destroy",
c->argv[2],c->db->id);
} else {
addReply(c,shared.czero);
}
@ -1635,6 +1640,8 @@ NULL
long long pending = streamDelConsumer(cg,c->argv[4]->ptr);
addReplyLongLong(c,pending);
server.dirty++;
notifyKeyspaceEvent(NOTIFY_STREAM,"xgroup-delconsumer",
c->argv[2],c->db->id);
} else if (!strcasecmp(opt,"HELP")) {
addReplyHelp(c, help);
} else {