X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libmemcached%2Fhosts.c;h=9d8870dca7c731b8b00bd246e176e8963a910e8e;hb=857ca43d65fe6a52474641130312d26d125bef15;hp=1cbc80305f4e0f2ba7011d4be2adbf62fb9b1de9;hpb=c67da677fe0944d3d2d3ff46e65fc3bc775404ae;p=m6w6%2Flibmemcached

diff --git a/libmemcached/hosts.c b/libmemcached/hosts.c
index 1cbc8030..9d8870dc 100644
--- a/libmemcached/hosts.c
+++ b/libmemcached/hosts.c
@@ -63,11 +63,12 @@ memcached_return_t run_distribution(memcached_st *ptr)
   return MEMCACHED_SUCCESS;
 }
 
-static uint32_t ketama_server_hash(const char *key, unsigned int key_length, int alignment)
+static uint32_t ketama_server_hash(const char *key, unsigned int key_length, uint32_t alignment)
 {
   unsigned char results[16];
 
-  md5_signature((unsigned char*)key, key_length, results);
+  libhashkit_md5_signature((unsigned char*)key, key_length, results);
+
   return ((uint32_t) (results[3 + alignment * 4] & 0xFF) << 24)
     | ((uint32_t) (results[2 + alignment * 4] & 0xFF) << 16)
     | ((uint32_t) (results[1 + alignment * 4] & 0xFF) << 8)
@@ -146,8 +147,8 @@ static memcached_return_t update_continuum(memcached_st *ptr)
   {
     memcached_continuum_item_st *new_ptr;
 
-    new_ptr= ptr->call_realloc(ptr, ptr->continuum,
-                               sizeof(memcached_continuum_item_st) * (live_servers + MEMCACHED_CONTINUUM_ADDITION) * points_per_server);
+    new_ptr= libmemcached_realloc(ptr, ptr->continuum,
+                                  sizeof(memcached_continuum_item_st) * (live_servers + MEMCACHED_CONTINUUM_ADDITION) * points_per_server);
 
     if (new_ptr == 0)
       return MEMCACHED_MEMORY_ALLOCATION_FAILURE;
@@ -213,17 +214,16 @@ static memcached_return_t update_continuum(memcached_st *ptr)
 
         if (is_ketama_weighted)
         {
-          unsigned int i;
-          for (i = 0; i < pointer_per_hash; i++)
+          for (uint32_t x = 0; x < pointer_per_hash; x++)
           {
-             value= ketama_server_hash(sort_host, (uint32_t) sort_host_length, (int) i);
+             value= ketama_server_hash(sort_host, (uint32_t) sort_host_length, x);
              ptr->continuum[continuum_index].index= host_index;
              ptr->continuum[continuum_index++].value= value;
           }
         }
         else
         {
-          value= memcached_generate_hash_value(sort_host, sort_host_length, ptr->distribution_hash);
+          value= hashkit_digest(&ptr->distribution_hashkit, sort_host, sort_host_length);
           ptr->continuum[continuum_index].index= host_index;
           ptr->continuum[continuum_index++].value= value;
         }
@@ -258,17 +258,16 @@ static memcached_return_t update_continuum(memcached_st *ptr)
 
         if (is_ketama_weighted)
         {
-          unsigned int i;
-          for (i = 0; i < pointer_per_hash; i++)
+          for (uint32_t x = 0; x < pointer_per_hash; x++)
           {
-             value= ketama_server_hash(sort_host, (uint32_t) sort_host_length, (int) i);
+             value= ketama_server_hash(sort_host, (uint32_t) sort_host_length, (int) x);
              ptr->continuum[continuum_index].index= host_index;
              ptr->continuum[continuum_index++].value= value;
           }
         }
         else
         {
-          value= memcached_generate_hash_value(sort_host, sort_host_length, ptr->distribution_hash);
+          value= hashkit_digest(&ptr->distribution_hashkit, sort_host, sort_host_length);
           ptr->continuum[continuum_index].index= host_index;
           ptr->continuum[continuum_index++].value= value;
         }
@@ -297,7 +296,6 @@ static memcached_return_t update_continuum(memcached_st *ptr)
 
 memcached_return_t memcached_server_push(memcached_st *ptr, memcached_server_st *list)
 {
-  uint32_t x;
   uint32_t count;
   memcached_server_st *new_host_list;
 
@@ -305,15 +303,15 @@ memcached_return_t memcached_server_push(memcached_st *ptr, memcached_server_st
     return MEMCACHED_SUCCESS;
 
   count= memcached_servers_count(list);
-  new_host_list= ptr->call_realloc(ptr, memcached_server_list(ptr),
-                                   sizeof(memcached_server_instance_st) * (count + memcached_server_count(ptr)));
+  new_host_list= libmemcached_realloc(ptr, memcached_server_list(ptr),
+                                      sizeof(memcached_server_instance_st) * (count + memcached_server_count(ptr)));
 
   if (! new_host_list)
     return MEMCACHED_MEMORY_ALLOCATION_FAILURE;
 
   memcached_server_list_set(ptr, new_host_list);
 
-  for (x= 0; x < count; x++)
+  for (uint32_t x= 0; x < count; x++)
   {
     memcached_server_instance_st *instance;
 
@@ -326,7 +324,6 @@ memcached_return_t memcached_server_push(memcached_st *ptr, memcached_server_st
 
     instance= memcached_server_instance_fetch(ptr, memcached_server_count(ptr));
 
-    memcached_server_create(ptr, instance);
     /* TODO check return type */
     (void)memcached_server_create_with(ptr, instance, list[x].hostname,
                                        list[x].port, list[x].weight, list[x].type);
@@ -413,8 +410,8 @@ static memcached_return_t server_add(memcached_st *ptr, const char *hostname,
       || ( (type == MEMCACHED_CONNECTION_UDP) && (! ptr->flags.use_udp) ) )
     return MEMCACHED_INVALID_HOST_PROTOCOL;
 
-  new_host_list= ptr->call_realloc(ptr, memcached_server_list(ptr),
-                                   sizeof(memcached_server_instance_st) * (ptr->number_of_hosts + 1));
+  new_host_list= libmemcached_realloc(ptr, memcached_server_list(ptr),
+                                      sizeof(memcached_server_instance_st) * (ptr->number_of_hosts + 1));
 
   if (new_host_list == NULL)
     return MEMCACHED_MEMORY_ALLOCATION_FAILURE;
@@ -432,13 +429,21 @@ static memcached_return_t server_add(memcached_st *ptr, const char *hostname,
   return run_distribution(ptr);
 }
 
+/**
+  @todo allow lists to query themselves even if they lack a root
+*/
 memcached_return_t memcached_server_remove(memcached_server_st *st_ptr)
 {
   uint32_t x, host_index;
-  memcached_st *ptr= st_ptr->root;
-  memcached_server_st *list= memcached_server_list(ptr);
+  memcached_st *root= (memcached_st *)st_ptr->root;
+  memcached_server_st *list;
+
+  if (root == NULL)
+    return MEMCACHED_FAILURE;
+
+  list= memcached_server_list(root);
 
-  for (x= 0, host_index= 0; x < memcached_server_count(ptr); x++)
+  for (x= 0, host_index= 0; x < memcached_server_count(root); x++)
   {
     if (strncmp(list[x].hostname, st_ptr->hostname, MEMCACHED_MAX_HOST_LENGTH) != 0 || list[x].port != st_ptr->port)
     {
@@ -447,14 +452,14 @@ memcached_return_t memcached_server_remove(memcached_server_st *st_ptr)
       host_index++;
     }
   }
-  ptr->number_of_hosts= host_index;
+  root->number_of_hosts= host_index;
 
   if (st_ptr->address_info)
   {
     freeaddrinfo(st_ptr->address_info);
     st_ptr->address_info= NULL;
   }
-  run_distribution(ptr);
+  run_distribution(root);
 
   return MEMCACHED_SUCCESS;
 }