X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libmemcached%2Fhosts.c;h=709d86fdd6e8ab525caac53116cbdb77a84f027e;hb=4b9854707a82ad7d6094e9d381f15e887196fe57;hp=e907be4a627d5e8ec7f00b8d90d2a2b55ed074c6;hpb=04ef974c23973986d4475e3cb8a876012264e2da;p=m6w6%2Flibmemcached

diff --git a/libmemcached/hosts.c b/libmemcached/hosts.c
index e907be4a..709d86fd 100644
--- a/libmemcached/hosts.c
+++ b/libmemcached/hosts.c
@@ -17,13 +17,14 @@ static memcached_return_t server_add(memcached_st *ptr, const char *hostname,
                                      in_port_t port,
                                      uint32_t weight,
                                      memcached_connection_t type);
+
 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);
 
@@ -41,7 +42,7 @@ static void sort_hosts(memcached_st *ptr)
   {
     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);
   }
@@ -69,8 +70,6 @@ memcached_return_t run_distribution(memcached_st *ptr)
     WATCHPOINT_ASSERT(0); /* We have added a distribution without extending the logic */
   }
 
-  ptr->last_disconnected_server = NULL;
-
   return MEMCACHED_SUCCESS;
 }
 
@@ -131,15 +130,15 @@ static memcached_return_t update_continuum(memcached_st *ptr)
   if (is_auto_ejecting)
   {
     live_servers= 0;
-    ptr->next_distribution_rebuild= 0;
+    ptr->ketama.next_distribution_rebuild= 0;
     for (host_index= 0; host_index < memcached_server_count(ptr); ++host_index)
     {
       if (list[host_index].next_retry <= now.tv_sec)
         live_servers++;
       else
       {
-        if (ptr->next_distribution_rebuild == 0 || list[host_index].next_retry < ptr->next_distribution_rebuild)
-          ptr->next_distribution_rebuild= list[host_index].next_retry;
+        if (ptr->ketama.next_distribution_rebuild == 0 || list[host_index].next_retry < ptr->ketama.next_distribution_rebuild)
+          ptr->ketama.next_distribution_rebuild= list[host_index].next_retry;
       }
     }
   }
@@ -154,18 +153,18 @@ static memcached_return_t update_continuum(memcached_st *ptr)
   if (live_servers == 0)
     return MEMCACHED_SUCCESS;
 
-  if (live_servers > ptr->continuum_count)
+  if (live_servers > ptr->ketama.continuum_count)
   {
     memcached_continuum_item_st *new_ptr;
 
-    new_ptr= libmemcached_realloc(ptr, ptr->continuum,
+    new_ptr= libmemcached_realloc(ptr, ptr->ketama.continuum,
                                   sizeof(memcached_continuum_item_st) * (live_servers + MEMCACHED_CONTINUUM_ADDITION) * points_per_server);
 
     if (new_ptr == 0)
       return MEMCACHED_MEMORY_ALLOCATION_FAILURE;
 
-    ptr->continuum= new_ptr;
-    ptr->continuum_count= live_servers + MEMCACHED_CONTINUUM_ADDITION;
+    ptr->ketama.continuum= new_ptr;
+    ptr->ketama.continuum_count= live_servers + MEMCACHED_CONTINUUM_ADDITION;
   }
 
   if (is_ketama_weighted)
@@ -208,15 +207,20 @@ static memcached_return_t update_continuum(memcached_st *ptr)
            pointer_index++)
       {
         char sort_host[MEMCACHED_MAX_HOST_SORT_LENGTH]= "";
-        size_t sort_host_length;
+        int sort_host_length;
 
         // Spymemcached ketema key format is: hostname/ip:port-index
         // If hostname is not available then: /ip:port-index
-        sort_host_length= (size_t) snprintf(sort_host, MEMCACHED_MAX_HOST_SORT_LENGTH,
-                                            "/%s:%u-%u",
-                                            list[host_index].hostname,
-                                            (uint32_t)list[host_index].port,
-                                            pointer_index);
+        sort_host_length= snprintf(sort_host, MEMCACHED_MAX_HOST_SORT_LENGTH,
+                                   "/%s:%u-%u",
+                                   list[host_index].hostname,
+                                   (uint32_t)list[host_index].port,
+                                   pointer_index);
+
+        if (sort_host_length >= MEMCACHED_MAX_HOST_SORT_LENGTH || sort_host_length < 0)
+        {
+          return MEMCACHED_FAILURE;
+        }
 #ifdef DEBUG
         printf("update_continuum: key is %s\n", sort_host);
 #endif
@@ -227,16 +231,16 @@ 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, sort_host_length, x);
-             ptr->continuum[continuum_index].index= host_index;
-             ptr->continuum[continuum_index++].value= value;
+             value= ketama_server_hash(sort_host, (size_t)sort_host_length, x);
+             ptr->ketama.continuum[continuum_index].index= host_index;
+             ptr->ketama.continuum[continuum_index++].value= value;
           }
         }
         else
         {
-          value= hashkit_digest(&ptr->distribution_hashkit, sort_host, sort_host_length);
-          ptr->continuum[continuum_index].index= host_index;
-          ptr->continuum[continuum_index++].value= value;
+          value= hashkit_digest(&ptr->distribution_hashkit, sort_host, (size_t)sort_host_length);
+          ptr->ketama.continuum[continuum_index].index= host_index;
+          ptr->ketama.continuum[continuum_index++].value= value;
         }
       }
     }
@@ -247,22 +251,27 @@ static memcached_return_t update_continuum(memcached_st *ptr)
            pointer_index++)
       {
         char sort_host[MEMCACHED_MAX_HOST_SORT_LENGTH]= "";
-        size_t sort_host_length;
+        int sort_host_length;
 
         if (list[host_index].port == MEMCACHED_DEFAULT_PORT)
         {
-          sort_host_length= (size_t) snprintf(sort_host, MEMCACHED_MAX_HOST_SORT_LENGTH,
-                                              "%s-%u",
-                                              list[host_index].hostname,
-                                              pointer_index - 1);
+          sort_host_length= snprintf(sort_host, MEMCACHED_MAX_HOST_SORT_LENGTH,
+                                     "%s-%u",
+                                     list[host_index].hostname,
+                                     pointer_index - 1);
         }
         else
         {
-          sort_host_length= (size_t) snprintf(sort_host, MEMCACHED_MAX_HOST_SORT_LENGTH,
-                                              "%s:%u-%u",
-                                              list[host_index].hostname,
-                                              (uint32_t)list[host_index].port,
-                                              pointer_index - 1);
+          sort_host_length= snprintf(sort_host, MEMCACHED_MAX_HOST_SORT_LENGTH,
+                                     "%s:%u-%u",
+                                     list[host_index].hostname,
+                                     (uint32_t)list[host_index].port,
+                                     pointer_index - 1);
+        }
+
+        if (sort_host_length >= MEMCACHED_MAX_HOST_SORT_LENGTH || sort_host_length < 0)
+        {
+          return MEMCACHED_FAILURE;
         }
 
         WATCHPOINT_ASSERT(sort_host_length);
@@ -271,16 +280,16 @@ 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, sort_host_length, x);
-             ptr->continuum[continuum_index].index= host_index;
-             ptr->continuum[continuum_index++].value= value;
+             value= ketama_server_hash(sort_host, (size_t)sort_host_length, x);
+             ptr->ketama.continuum[continuum_index].index= host_index;
+             ptr->ketama.continuum[continuum_index++].value= value;
           }
         }
         else
         {
-          value= hashkit_digest(&ptr->distribution_hashkit, sort_host, sort_host_length);
-          ptr->continuum[continuum_index].index= host_index;
-          ptr->continuum[continuum_index++].value= value;
+          value= hashkit_digest(&ptr->distribution_hashkit, sort_host, (size_t)sort_host_length);
+          ptr->ketama.continuum[continuum_index].index= host_index;
+          ptr->ketama.continuum[continuum_index++].value= value;
         }
       }
     }
@@ -291,8 +300,8 @@ static memcached_return_t update_continuum(memcached_st *ptr)
   WATCHPOINT_ASSERT(ptr);
   WATCHPOINT_ASSERT(ptr->continuum);
   WATCHPOINT_ASSERT(memcached_server_count(ptr) * MEMCACHED_POINTS_PER_SERVER <= MEMCACHED_CONTINUUM_SIZE);
-  ptr->continuum_points_counter= pointer_counter;
-  qsort(ptr->continuum, ptr->continuum_points_counter, sizeof(memcached_continuum_item_st), continuum_item_cmp);
+  ptr->ketama.continuum_points_counter= pointer_counter;
+  qsort(ptr->ketama.continuum, ptr->ketama.continuum_points_counter, sizeof(memcached_continuum_item_st), continuum_item_cmp);
 
 #ifdef DEBUG
   for (pointer_index= 0; memcached_server_count(ptr) && pointer_index < ((live_servers * MEMCACHED_POINTS_PER_SERVER) - 1); pointer_index++)
@@ -305,7 +314,7 @@ static memcached_return_t update_continuum(memcached_st *ptr)
 }
 
 
-memcached_return_t memcached_server_push(memcached_st *ptr, const 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;
@@ -315,7 +324,7 @@ memcached_return_t memcached_server_push(memcached_st *ptr, const memcached_serv
 
   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;
@@ -329,7 +338,9 @@ memcached_return_t memcached_server_push(memcached_st *ptr, const memcached_serv
     if ((ptr->flags.use_udp && list[x].type != MEMCACHED_CONNECTION_UDP)
             || ((list[x].type == MEMCACHED_CONNECTION_UDP)
             && ! (ptr->flags.use_udp)) )
+    {
       return MEMCACHED_INVALID_HOST_PROTOCOL;
+    }
 
     WATCHPOINT_ASSERT(list[x].hostname[0] != 0);
 
@@ -439,3 +450,20 @@ static memcached_return_t server_add(memcached_st *ptr, const char *hostname,
 
   return run_distribution(ptr);
 }
+
+memcached_return_t memcached_server_add_parsed(memcached_st *ptr,
+                                               const char *hostname,
+                                               size_t hostname_length,
+                                               in_port_t port,
+                                               uint32_t weight)
+{
+  char buffer[NI_MAXHOST];
+
+  memcpy(buffer, hostname, hostname_length);
+  buffer[hostname_length]= 0;
+
+  return server_add(ptr, buffer,
+                    port,
+                    weight,
+                    MEMCACHED_CONNECTION_TCP);
+}