From aee5f339aa17154788cd15bc3c373992e7f34de6 Mon Sep 17 00:00:00 2001
From: Adam Dickmeiss <adam@indexdata.dk>
Date: Wed, 11 Jun 2014 14:18:12 +0200
Subject: [PATCH] Honor memcached options= --server=localhost as redis conf

This is only done where YAZ is without libmemcached support.
---
 src/zoom-memcached.c |   45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/src/zoom-memcached.c b/src/zoom-memcached.c
index 828dca6..36546e3 100644
--- a/src/zoom-memcached.c
+++ b/src/zoom-memcached.c
@@ -99,6 +99,41 @@ static memcached_st *yaz_memcached_wrap(const char *conf)
 }
 #endif
 
+#if HAVE_HIREDIS
+static redisContext *create_redis(const char *conf)
+{
+    char **darray;
+    int i, num;
+    NMEM nmem = nmem_create();
+    redisContext *context = 0;
+
+    nmem_strsplit_blank(nmem, conf, &darray, &num);
+    for (i = 0; i < num; i++)
+    {
+        if (!yaz_strncasecmp(darray[i], "--SERVER=", 9))
+        {
+            struct timeval timeout = { 1, 500000 }; /* 1.5 seconds */
+            char *host = darray[i] + 9;
+            char *port = strchr(host, ':');
+            char *weight = strstr(host, "/?");
+            if (port)
+                *port++ = '\0';
+            if (weight)
+            {
+                *weight = '\0';
+                weight += 2;
+            }
+
+            context = redisConnectWithTimeout(host,
+                                              port ? atoi(port) : 6379,
+                                              timeout);
+        }
+    }
+    nmem_destroy(nmem);
+    return context;
+}
+#endif
+
 int ZOOM_memcached_configure(ZOOM_connection c)
 {
     const char *val;
@@ -149,9 +184,19 @@ int ZOOM_memcached_configure(ZOOM_connection c)
         }
         memcached_behavior_set(c->mc_st, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL, 1);
 #else
+#if HAVE_HIREDIS
+        c->redis_c = create_redis(val);
+        if (c->redis_c == 0 || c->redis_c->err)
+        {
+            ZOOM_set_error(c, ZOOM_ERROR_MEMCACHED,
+                           "could not create redis");
+            return -1;
+        }
+#else
         ZOOM_set_error(c, ZOOM_ERROR_MEMCACHED, "not enabled");
         return -1;
 #endif
+#endif
     }
     return 0;
 }
-- 
1.7.10.4