From 7e91f971f7ab63dc5bb60dc0ec5e1ea76efce939 Mon Sep 17 00:00:00 2001
From: Pieter Noordhuis <pcnoordhuis@gmail.com>
Date: Sun, 1 Aug 2010 23:06:00 +0200
Subject: [PATCH] Add support for domain sockets to redis-cli

---
 src/redis-cli.c | 25 +++++++++++++++++++++----
 1 file changed, 21 insertions(+), 4 deletions(-)

diff --git a/src/redis-cli.c b/src/redis-cli.c
index dac828625..4dafba325 100644
--- a/src/redis-cli.c
+++ b/src/redis-cli.c
@@ -52,6 +52,7 @@
 static struct config {
     char *hostip;
     int hostport;
+    char *hostsocket;
     long repeat;
     int dbnum;
     int argn_from_stdin;
@@ -72,9 +73,21 @@ static int cliConnect(void) {
     static int fd = ANET_ERR;
 
     if (fd == ANET_ERR) {
-        fd = anetTcpConnect(err,config.hostip,config.hostport);
+        if (config.hostsocket == NULL) {
+            fd = anetTcpConnect(err,config.hostip,config.hostport);
+        } else {
+            fd = anetUnixConnect(err,config.hostsocket);
+            if (fd == ANET_ERR) {
+                fprintf(stderr, "Could not connect to Redis at %s: %s", config.hostsocket, err);
+                return -1;
+            }
+        }
         if (fd == ANET_ERR) {
-            fprintf(stderr, "Could not connect to Redis at %s:%d: %s", config.hostip, config.hostport, err);
+            fprintf(stderr,"Could not connect to Redis at ");
+            if (config.hostsocket == NULL)
+                fprintf(stderr,"%s:%d: %s",config.hostip,config.hostport,err);
+            else
+                fprintf(stderr,"%s: %s",config.hostsocket,err);
             return -1;
         }
         anetTcpNoDelay(NULL,fd);
@@ -304,6 +317,9 @@ static int parseOptions(int argc, char **argv) {
         } else if (!strcmp(argv[i],"-p") && !lastarg) {
             config.hostport = atoi(argv[i+1]);
             i++;
+        } else if (!strcmp(argv[i],"-s") && !lastarg) {
+            config.hostsocket = argv[i+1];
+            i++;
         } else if (!strcmp(argv[i],"-r") && !lastarg) {
             config.repeat = strtoll(argv[i+1],NULL,10);
             i++;
@@ -345,8 +361,8 @@ static sds readArgFromStdin(void) {
 }
 
 static void usage() {
-    fprintf(stderr, "usage: redis-cli [-iv] [-h host] [-p port] [-a authpw] [-r repeat_times] [-n db_num] cmd arg1 arg2 arg3 ... argN\n");
-    fprintf(stderr, "usage: echo \"argN\" | redis-cli -c [-h host] [-p port] [-a authpw] [-r repeat_times] [-n db_num] cmd arg1 arg2 ... arg(N-1)\n");
+    fprintf(stderr, "usage: redis-cli [-iv] [-h host] [-p port] [-s /path/to/socket] [-a authpw] [-r repeat_times] [-n db_num] cmd arg1 arg2 arg3 ... argN\n");
+    fprintf(stderr, "usage: echo \"argN\" | redis-cli -c [-h host] [-p port] [-s /path/to/socket] [-a authpw] [-r repeat_times] [-n db_num] cmd arg1 arg2 ... arg(N-1)\n");
     fprintf(stderr, "\nIf a pipe from standard input is detected this data is used as last argument.\n\n");
     fprintf(stderr, "example: cat /etc/passwd | redis-cli set my_passwd\n");
     fprintf(stderr, "example: redis-cli get my_passwd\n");
@@ -465,6 +481,7 @@ int main(int argc, char **argv) {
 
     config.hostip = "127.0.0.1";
     config.hostport = 6379;
+    config.hostsocket = NULL;
     config.repeat = 1;
     config.dbnum = 0;
     config.argn_from_stdin = 0;
-- 
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