From 45e7a1ce00380ccf5f41080d69c655e120aacad6 Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Thu, 24 Nov 2011 15:04:42 +0100
Subject: [PATCH] minor refactoring to networking.c adding a separated function
 to get a string representing the current state of all the connected clients.

---
 src/networking.c | 24 ++++++++++++++++--------
 src/redis.h      |  1 +
 2 files changed, 17 insertions(+), 8 deletions(-)

diff --git a/src/networking.c b/src/networking.c
index 77a705b2..c16e182f 100644
--- a/src/networking.c
+++ b/src/networking.c
@@ -980,20 +980,28 @@ sds getClientInfoString(redisClient *client) {
         client->lastcmd ? client->lastcmd->name : "NULL");
 }
 
+sds getAllClientsInfoString(void) {
+    listNode *ln;
+    listIter li;
+    redisClient *client;
+    sds o = sdsempty();
+
+    listRewind(server.clients,&li);
+    while ((ln = listNext(&li)) != NULL) {
+        client = listNodeValue(ln);
+        o = sdscatsds(o,getClientInfoString(client));
+        o = sdscatlen(o,"\n",1);
+    }
+    return o;
+}
+
 void clientCommand(redisClient *c) {
     listNode *ln;
     listIter li;
     redisClient *client;
 
     if (!strcasecmp(c->argv[1]->ptr,"list") && c->argc == 2) {
-        sds o = sdsempty();
-
-        listRewind(server.clients,&li);
-        while ((ln = listNext(&li)) != NULL) {
-            client = listNodeValue(ln);
-            o = sdscatsds(o,getClientInfoString(client));
-            o = sdscatlen(o,"\n",1);
-        }
+        sds o = getAllClientsInfoString();
         addReplyBulkCBuffer(c,o,sdslen(o));
         sdsfree(o);
     } else if (!strcasecmp(c->argv[1]->ptr,"kill") && c->argc == 3) {
diff --git a/src/redis.h b/src/redis.h
index ae1e75ba..218d72fb 100644
--- a/src/redis.h
+++ b/src/redis.h
@@ -769,6 +769,7 @@ void *dupClientReplyValue(void *o);
 void getClientsMaxBuffers(unsigned long *longest_output_list,
                           unsigned long *biggest_input_buffer);
 sds getClientInfoString(redisClient *client);
+sds getAllClientsInfoString(void);
 void rewriteClientCommandVector(redisClient *c, int argc, ...);
 void rewriteClientCommandArgument(redisClient *c, int i, robj *newval);
 
-- 
2.45.2