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code generating the CLIENT LIST output refactored to have a function that is able to render a single client into a client info string.

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This commit is contained in:
antirez 2011-11-21 15:34:32 +01:00
parent 08a879af6e
commit 17d25a33e2
1 changed files with 38 additions and 28 deletions
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66
src/networking.c
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@ -924,6 +924,42 @@ void getClientsMaxBuffers(unsigned long *longest_output_list,
*biggest_input_buffer = bib;
}
/* Turn a Redis client into an sds string representing its state. */
sds getClientInfoString(redisClient *client) {
char ip[32], flags[16], *p;
int port;
time_t now = time(NULL);
if (anetPeerToString(client->fd,ip,&port) == -1) {
ip[0] = '?';
ip[1] = '\0';
port = 0;
}
p = flags;
if (client->flags & REDIS_SLAVE) {
if (client->flags & REDIS_MONITOR)
*p++ = 'O';
else
*p++ = 'S';
}
if (client->flags & REDIS_MASTER) *p++ = 'M';
if (p == flags) *p++ = 'N';
if (client->flags & REDIS_MULTI) *p++ = 'x';
if (client->flags & REDIS_BLOCKED) *p++ = 'b';
if (client->flags & REDIS_DIRTY_CAS) *p++ = 'd';
if (client->flags & REDIS_CLOSE_AFTER_REPLY) *p++ = 'c';
if (client->flags & REDIS_UNBLOCKED) *p++ = 'u';
*p++ = '\0';
return sdscatprintf(sdsempty(),
"addr=%s:%d fd=%d idle=%ld flags=%s db=%d sub=%d psub=%d",
ip,port,client->fd,
(long)(now - client->lastinteraction),
flags,
client->db->id,
(int) dictSize(client->pubsub_channels),
(int) listLength(client->pubsub_patterns));
}
void clientCommand(redisClient *c) {
listNode *ln;
listIter li;
@ -931,38 +967,12 @@ void clientCommand(redisClient *c) {
if (!strcasecmp(c->argv[1]->ptr,"list") && c->argc == 2) {
sds o = sdsempty();
time_t now = time(NULL);
listRewind(server.clients,&li);
while ((ln = listNext(&li)) != NULL) {
char ip[32], flags[16], *p;
int port;
client = listNodeValue(ln);
if (anetPeerToString(client->fd,ip,&port) == -1) continue;
p = flags;
if (client->flags & REDIS_SLAVE) {
if (client->flags & REDIS_MONITOR)
*p++ = 'O';
else
*p++ = 'S';
}
if (client->flags & REDIS_MASTER) *p++ = 'M';
if (p == flags) *p++ = 'N';
if (client->flags & REDIS_MULTI) *p++ = 'x';
if (client->flags & REDIS_BLOCKED) *p++ = 'b';
if (client->flags & REDIS_DIRTY_CAS) *p++ = 'd';
if (client->flags & REDIS_CLOSE_AFTER_REPLY) *p++ = 'c';
if (client->flags & REDIS_UNBLOCKED) *p++ = 'u';
*p++ = '\0';
o = sdscatprintf(o,
"addr=%s:%d fd=%d idle=%ld flags=%s db=%d sub=%d psub=%d\n",
ip,port,client->fd,
(long)(now - client->lastinteraction),
flags,
client->db->id,
(int) dictSize(client->pubsub_channels),
(int) listLength(client->pubsub_patterns));
o = sdscatsds(o,getClientInfoString(client));
o = sdscatlen(o,"\n",1);
}
addReplyBulkCBuffer(c,o,sdslen(o));
sdsfree(o);