Adding the fetch_execute function to the C++ interface.

[awesomized/libmemcached] / libmemcached / memcached_hash.c

diff --git a/libmemcached/memcached_hash.c b/libmemcached/memcached_hash.c
index d2af51653be0e815511addc738d15f51aab22cf5..e3249c0624774f0d2b343a27e719153e36dd0a45 100644 (file)
--- a/libmemcached/memcached_hash.c
+++ b/libmemcached/memcached_hash.c
@@ -1,8 +1,9 @@
 #include "common.h"
 
+
 /* Defines */
-static uint64_t FNV_64_INIT= 0xcbf29ce484222325LL;
-static uint64_t FNV_64_PRIME= 0x100000001b3LL;
+static uint64_t FNV_64_INIT= UINT64_C(0xcbf29ce484222325);
+static uint64_t FNV_64_PRIME= UINT64_C(0x100000001b3);
 
 static uint32_t FNV_32_INIT= 2166136261UL;
 static uint32_t FNV_32_PRIME= 16777619;
@@ -74,13 +75,13 @@ uint32_t memcached_generate_hash_value(const char *key, size_t key_length, memca
       }
     }
     break;
-#ifdef HAVE_HSIEH_HASH
     case MEMCACHED_HASH_HSIEH:
     {
+#ifdef HAVE_HSIEH_HASH
       hash= hsieh_hash(key, key_length);
+#endif
       break;
     }
-#endif
     case MEMCACHED_HASH_MURMUR:
     {
       hash= murmur_hash(key, key_length);
@@ -91,6 +92,11 @@ uint32_t memcached_generate_hash_value(const char *key, size_t key_length, memca
       hash=jenkins_hash(key, key_length, 13);
       break;
     }
+    default:
+    {
+      WATCHPOINT_ASSERT(hash_algorithm);
+      break;
+    }
   }
   return hash;
 }
@@ -137,7 +143,6 @@ static uint32_t dispatch_host(memcached_st *ptr, uint32_t hash)
         right= begin;
       return right->index;
     } 
-    break;
   case MEMCACHED_DISTRIBUTION_MODULA:
     return hash % ptr->number_of_hosts;
   case MEMCACHED_DISTRIBUTION_RANDOM:
@@ -165,12 +170,15 @@ uint32_t memcached_generate_hash(memcached_st *ptr, const char *key, size_t key_
 
   if (ptr->flags & MEM_HASH_WITH_PREFIX_KEY)
   {
-    int temp_len= ptr->prefix_key_length + key_length;
-    char *temp= (char *)malloc(temp_len);
+    size_t temp_length= ptr->prefix_key_length + key_length;
+    char temp[temp_length];
+
+    if (temp_length > MEMCACHED_MAX_KEY -1)
+      return 0;
+
     strncpy(temp, ptr->prefix_key, ptr->prefix_key_length);
     strncpy(temp + ptr->prefix_key_length, key, key_length);
-    hash= generate_hash(ptr, temp, temp_len);
-    free(temp);
+    hash= generate_hash(ptr, temp, temp_length);
   }
   else
   {
@@ -179,6 +187,14 @@ uint32_t memcached_generate_hash(memcached_st *ptr, const char *key, size_t key_
 
   WATCHPOINT_ASSERT(hash);
 
+  if (memcached_behavior_get(ptr, MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS) && ptr->next_distribution_rebuild) {
+    struct timeval now;
+
+    if (gettimeofday(&now, NULL) == 0 &&
+        now.tv_sec > ptr->next_distribution_rebuild)
+      run_distribution(ptr);
+  }
+
   return dispatch_host(ptr, hash);
 }