From 8b102e041aeb93b0268d5f33ac043830460ccdfc Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Wed, 14 Dec 2011 15:11:11 +0100
Subject: [PATCH] List connected slaves with ip,port,state information in INFO,
 as requested by github issue #219

---
 src/redis.c | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/src/redis.c b/src/redis.c
index 8dda3018..24e4fede 100644
--- a/src/redis.c
+++ b/src/redis.c
@@ -1349,6 +1349,39 @@ sds genRedisInfoString(void) {
             bioPendingJobsOfType(REDIS_BIO_AOF_FSYNC));
     }
 
+    /* List connected slaves */
+    if (listLength(server.slaves)) {
+        int slaveid = 0;
+        listNode *ln;
+        listIter li;
+
+        listRewind(server.slaves,&li);
+        while((ln = listNext(&li))) {
+            redisClient *slave = listNodeValue(ln);
+            char *state = NULL;
+            char ip[32];
+            int port;
+
+            if (anetPeerToString(slave->fd,ip,&port) == -1) continue;
+            switch(slave->replstate) {
+            case REDIS_REPL_WAIT_BGSAVE_START:
+            case REDIS_REPL_WAIT_BGSAVE_END:
+                state = "wait_bgsave";
+                break;
+            case REDIS_REPL_SEND_BULK:
+                state = "send_bulk";
+                break;
+            case REDIS_REPL_ONLINE:
+                state = "online";
+                break;
+            }
+            if (state == NULL) continue;
+            info = sdscatprintf(info,"slave%d:%s,%d,%s\r\n",
+                slaveid,ip,port,state);
+            slaveid++;
+        }
+    }
+
     if (server.masterhost) {
         info = sdscatprintf(info,
             "master_host:%s\r\n"