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CG: Now XREADGROUP + blocking operations work.

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antirez
2018-01-26 11:57:19 +01:00
parent 5ad29325fe
commit b65fe09bb8
3 changed files with 42 additions and 8 deletions
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18
src/t_stream.c
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@ -41,8 +41,6 @@
#define STREAM_ITEM_FLAG_SAMEFIELDS (1<<1) /* Same fields as master entry. */
void streamFreeCG(streamCG *cg);
streamCG *streamLookupCG(stream *s, sds groupname);
streamConsumer *streamLookupConsumer(streamCG *cg, sds name);
streamNACK *streamCreateNACK(streamConsumer *consumer);
size_t streamReplyWithRangeFromConsumerPEL(client *c, stream *s, streamID *start, streamID *end, size_t count, streamCG *group, streamConsumer *consumer);
@ -1242,8 +1240,20 @@ void xreadCommand(client *c) {
* in case the ID provided is too low, we do not want the server to
* block just to serve this client a huge stream of messages. */
c->bpop.xread_count = count ? count : XREAD_BLOCKED_DEFAULT_COUNT;
c->bpop.xread_group = groupname;
c->bpop.xread_consumer = consumername;
/* If this is a XREADGROUP + GROUP we need to remember for which
* group and consumer name we are blocking, so later when one of the
* keys receive more data, we can call streamReplyWithRange() passing
* the right arguments. */
if (groupname) {
incrRefCount(groupname);
incrRefCount(consumername);
c->bpop.xread_group = groupname;
c->bpop.xread_consumer = consumername;
} else {
c->bpop.xread_group = NULL;
c->bpop.xread_consumer = NULL;
}
goto cleanup;
}