X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libmemcached%2Fhosts.c;h=0836c97e02128ddaf36c07287d66d051dc046fac;hb=93723c9e5e41d8d9c41f610623060b28b4ec8ae3;hp=9d8870dca7c731b8b00bd246e176e8963a910e8e;hpb=5d4981688b335b52f18e25c4c42c1314ed7e17df;p=m6w6%2Flibmemcached

diff --git a/libmemcached/hosts.c b/libmemcached/hosts.c
index 9d8870dc..0836c97e 100644
--- a/libmemcached/hosts.c
+++ b/libmemcached/hosts.c
@@ -1,3 +1,14 @@
+/* LibMemcached
+ * Copyright (C) 2006-2010 Brian Aker
+ * All rights reserved.
+ *
+ * Use and distribution licensed under the BSD license.  See
+ * the COPYING file in the parent directory for full text.
+ *
+ * Summary: 
+ *
+ */
+
 #include "common.h"
 #include <math.h>
 
@@ -11,8 +22,8 @@ static memcached_return_t update_continuum(memcached_st *ptr);
 static int compare_servers(const void *p1, const void *p2)
 {
   int return_value;
-  memcached_server_instance_st *a= (memcached_server_instance_st *)p1;
-  memcached_server_instance_st *b= (memcached_server_instance_st *)p2;
+  memcached_server_instance_st a= (memcached_server_instance_st)p1;
+  memcached_server_instance_st b= (memcached_server_instance_st)p2;
 
   return_value= strcmp(a->hostname, b->hostname);
 
@@ -28,9 +39,9 @@ static void sort_hosts(memcached_st *ptr)
 {
   if (memcached_server_count(ptr))
   {
-    memcached_server_instance_st *instance;
+    memcached_server_write_instance_st instance;
 
-    qsort(memcached_server_list(ptr), memcached_server_count(ptr), sizeof(memcached_server_instance_st), compare_servers);
+    qsort(memcached_server_list(ptr), memcached_server_count(ptr), sizeof(memcached_server_st), compare_servers);
     instance= memcached_server_instance_fetch(ptr, 0);
     instance->number_of_hosts= memcached_server_count(ptr);
   }
@@ -63,7 +74,7 @@ memcached_return_t run_distribution(memcached_st *ptr)
   return MEMCACHED_SUCCESS;
 }
 
-static uint32_t ketama_server_hash(const char *key, unsigned int key_length, uint32_t alignment)
+static uint32_t ketama_server_hash(const char *key, size_t key_length, uint32_t alignment)
 {
   unsigned char results[16];
 
@@ -95,7 +106,7 @@ static memcached_return_t update_continuum(memcached_st *ptr)
   uint32_t host_index;
   uint32_t continuum_index= 0;
   uint32_t value;
-  memcached_server_instance_st *list;
+  memcached_server_st *list;
   uint32_t pointer_index;
   uint32_t pointer_counter= 0;
   uint32_t pointer_per_server= MEMCACHED_POINTS_PER_SERVER;
@@ -116,7 +127,7 @@ static memcached_return_t update_continuum(memcached_st *ptr)
   list = memcached_server_list(ptr);
 
   /* count live servers (those without a retry delay set) */
-  is_auto_ejecting= memcached_behavior_get(ptr, MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS);
+  is_auto_ejecting= _is_auto_eject_host(ptr);
   if (is_auto_ejecting)
   {
     live_servers= 0;
@@ -165,12 +176,12 @@ static memcached_return_t update_continuum(memcached_st *ptr)
       {
         list[host_index].weight = 1;
       }
-      if (!is_auto_ejecting || list[host_index].next_retry <= now.tv_sec)
+      if (! is_auto_ejecting || list[host_index].next_retry <= now.tv_sec)
         total_weight += list[host_index].weight;
     }
   }
 
-  for (host_index = 0; host_index < memcached_server_count(ptr); ++host_index)
+  for (host_index= 0; host_index < memcached_server_count(ptr); ++host_index)
   {
     if (is_auto_ejecting && list[host_index].next_retry > now.tv_sec)
       continue;
@@ -214,9 +225,9 @@ static memcached_return_t update_continuum(memcached_st *ptr)
 
         if (is_ketama_weighted)
         {
-          for (uint32_t x = 0; x < pointer_per_hash; x++)
+          for (uint32_t x= 0; x < pointer_per_hash; x++)
           {
-             value= ketama_server_hash(sort_host, (uint32_t) sort_host_length, x);
+             value= ketama_server_hash(sort_host, sort_host_length, x);
              ptr->continuum[continuum_index].index= host_index;
              ptr->continuum[continuum_index++].value= value;
           }
@@ -260,7 +271,7 @@ static memcached_return_t update_continuum(memcached_st *ptr)
         {
           for (uint32_t x = 0; x < pointer_per_hash; x++)
           {
-             value= ketama_server_hash(sort_host, (uint32_t) sort_host_length, (int) x);
+             value= ketama_server_hash(sort_host, sort_host_length, x);
              ptr->continuum[continuum_index].index= host_index;
              ptr->continuum[continuum_index++].value= value;
           }
@@ -294,7 +305,7 @@ static memcached_return_t update_continuum(memcached_st *ptr)
 }
 
 
-memcached_return_t memcached_server_push(memcached_st *ptr, memcached_server_st *list)
+memcached_return_t memcached_server_push(memcached_st *ptr, const memcached_server_list_st list)
 {
   uint32_t count;
   memcached_server_st *new_host_list;
@@ -302,9 +313,9 @@ memcached_return_t memcached_server_push(memcached_st *ptr, memcached_server_st
   if (! list)
     return MEMCACHED_SUCCESS;
 
-  count= memcached_servers_count(list);
+  count= memcached_server_list_count(list);
   new_host_list= libmemcached_realloc(ptr, memcached_server_list(ptr),
-                                      sizeof(memcached_server_instance_st) * (count + memcached_server_count(ptr)));
+                                      sizeof(memcached_server_st) * (count + memcached_server_count(ptr)));
 
   if (! new_host_list)
     return MEMCACHED_MEMORY_ALLOCATION_FAILURE;
@@ -313,7 +324,7 @@ memcached_return_t memcached_server_push(memcached_st *ptr, memcached_server_st
 
   for (uint32_t x= 0; x < count; x++)
   {
-    memcached_server_instance_st *instance;
+    memcached_server_write_instance_st instance;
 
     if ((ptr->flags.use_udp && list[x].type != MEMCACHED_CONNECTION_UDP)
             || ((list[x].type == MEMCACHED_CONNECTION_UDP)
@@ -332,7 +343,7 @@ memcached_return_t memcached_server_push(memcached_st *ptr, memcached_server_st
 
   // Provides backwards compatibility with server list.
   {
-    memcached_server_instance_st *instance;
+    memcached_server_write_instance_st instance;
     instance= memcached_server_instance_fetch(ptr, 0);
     instance->number_of_hosts= memcached_server_count(ptr);
   }
@@ -403,15 +414,15 @@ static memcached_return_t server_add(memcached_st *ptr, const char *hostname,
                                      uint32_t weight,
                                      memcached_connection_t type)
 {
-  memcached_server_instance_st *new_host_list;
-  memcached_server_instance_st *instance;
+  memcached_server_st *new_host_list;
+  memcached_server_write_instance_st instance;
 
   if ( (ptr->flags.use_udp && type != MEMCACHED_CONNECTION_UDP)
       || ( (type == MEMCACHED_CONNECTION_UDP) && (! ptr->flags.use_udp) ) )
     return MEMCACHED_INVALID_HOST_PROTOCOL;
 
   new_host_list= libmemcached_realloc(ptr, memcached_server_list(ptr),
-                                      sizeof(memcached_server_instance_st) * (ptr->number_of_hosts + 1));
+                                      sizeof(memcached_server_st) * (ptr->number_of_hosts + 1));
 
   if (new_host_list == NULL)
     return MEMCACHED_MEMORY_ALLOCATION_FAILURE;
@@ -428,83 +439,3 @@ 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 *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(root); x++)
-  {
-    if (strncmp(list[x].hostname, st_ptr->hostname, MEMCACHED_MAX_HOST_LENGTH) != 0 || list[x].port != st_ptr->port)
-    {
-      if (host_index != x)
-        memcpy(list+host_index, list+x, sizeof(memcached_server_st));
-      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(root);
-
-  return MEMCACHED_SUCCESS;
-}
-
-memcached_server_st *memcached_server_list_append(memcached_server_st *ptr,
-                                                  const char *hostname, in_port_t port,
-                                                  memcached_return_t *error)
-{
-  return memcached_server_list_append_with_weight(ptr, hostname, port, 0, error);
-}
-
-memcached_server_st *memcached_server_list_append_with_weight(memcached_server_st *ptr,
-                                                              const char *hostname, in_port_t port,
-                                                              uint32_t weight,
-                                                              memcached_return_t *error)
-{
-  unsigned int count;
-  memcached_server_instance_st *new_host_list;
-
-  if (hostname == NULL || error == NULL)
-    return NULL;
-
-  if (! port)
-    port= MEMCACHED_DEFAULT_PORT;
-
-  /* Increment count for hosts */
-  count= 1;
-  if (ptr != NULL)
-  {
-    count+= memcached_servers_count(ptr);
-  }
-
-  new_host_list= (memcached_server_instance_st *)realloc(ptr, sizeof(memcached_server_instance_st) * count);
-  if (!new_host_list)
-  {
-    *error= MEMCACHED_MEMORY_ALLOCATION_FAILURE;
-    return NULL;
-  }
-
-  /* TODO: Check return type */
-  memcached_server_create_with(NULL, &new_host_list[count-1], hostname, port, weight, MEMCACHED_CONNECTION_TCP);
-
-  /* Backwards compatibility hack */
-  memcached_servers_set_count(new_host_list, count);
-
-  *error= MEMCACHED_SUCCESS;
-  return new_host_list;
-}