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CG: XINFO CONSUMERS implemented.

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antirez
2018-03-07 16:08:06 +01:00
parent 67eeeb0b10
commit 0cf6b1e3ae
3 changed files with 53 additions and 0 deletions
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51
src/t_stream.c
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@ -1858,3 +1858,54 @@ void xclaimCommand(client *c) {
}
/* XINFO <key> [CONSUMERS group|GROUPS|STREAM]. STREAM is the default */
void xinfoCommand(client *c) {
const char *help[] = {
"<key> CONSUMERS <groupname> -- Show consumer groups of group <groupname>.",
"<key> GROUPS -- Show the stream consumer groups.",
"<key> STREAM -- Show information about the stream.",
"<key> HELP -- Prints this help.",
NULL
};
stream *s = NULL;
char *opt = c->argc > 2 ? c->argv[2]->ptr : "STREAM"; /* Subcommand. */
/* Lookup the key now, this is common for all the subcommands but HELP. */
if (c->argc >= 3 && strcasecmp(opt,"HELP")) {
robj *o = lookupKeyWriteOrReply(c,c->argv[1],shared.nokeyerr);
if (o == NULL) return;
s = o->ptr;
}
/* Dispatch the different subcommands. */
if (!strcasecmp(opt,"CONSUMERS") && c->argc == 4) {
streamCG *cg = streamLookupCG(s,c->argv[3]->ptr);
if (cg == NULL) {
addReplyErrorFormat(c, "-NOGROUP No such consumer group '%s' "
"for key name '%s'",
c->argv[3]->ptr, c->argv[1]->ptr);
return;
}
addReplyMultiBulkLen(c,raxSize(cg->consumers));
raxIterator ri;
raxStart(&ri,cg->consumers);
raxSeek(&ri,"^",NULL,0);
mstime_t now = mstime();
while(raxNext(&ri)) {
streamConsumer *consumer = ri.data;
mstime_t idle = now - consumer->seen_time;
if (idle < 0) idle = 0;
addReplyMultiBulkLen(c,3);
addReplyBulkCBuffer(c,consumer->name,sdslen(consumer->name));
addReplyLongLong(c,raxSize(consumer->pel));
addReplyLongLong(c,idle);
}
raxStop(&ri);
} else if (!strcasecmp(opt,"HELP")) {
addReplyHelp(c, help);
} else {
addReply(c,shared.syntaxerr);
}
}