Added behavior method around testing of keys.

[m6w6/libmemcached] / lib / memcached_hosts.c

diff --git a/lib/memcached_hosts.c b/lib/memcached_hosts.c
index 811a230e9a3052dca3b49ef4d5b7e0c5a102e9a8..de006dd6794b6b5125583e24dfa2bd10e5786d78 100644 (file)
--- a/lib/memcached_hosts.c
+++ b/lib/memcached_hosts.c
@@ -31,16 +31,36 @@ static void rebalance_wheel(memcached_st *ptr)
   }
 }
 
-static void host_reset(memcached_server_st *host, char *hostname, unsigned int port,
+static int compare_servers(const void *p1, const void *p2)
+{
+  int return_value;
+  memcached_server_st *a= (memcached_server_st *)p1;
+  memcached_server_st *b= (memcached_server_st *)p2;
+
+  return_value= strcmp(a->hostname, b->hostname);
+
+  if (return_value == 0)
+  {
+    if (a->port > b->port)
+      return_value++;
+    else
+      return_value--;
+  }
+
+  return return_value;
+}
+
+static void host_reset(memcached_st *ptr, memcached_server_st *host, 
+                       char *hostname, unsigned int port,
                        memcached_connection type)
 {
   memset(host,  0, sizeof(memcached_server_st));
   strncpy(host->hostname, hostname, MEMCACHED_MAX_HOST_LENGTH - 1);
+  host->root= ptr ? ptr : NULL;
   host->port= port;
   host->fd= -1;
   host->type= type;
   host->read_ptr= host->read_buffer;
-  host->write_ptr= host->write_buffer;
   host->sockaddr_inited= MEMCACHED_NOT_ALLOCATED;
 }
 
@@ -89,12 +109,15 @@ memcached_return memcached_server_push(memcached_st *ptr, memcached_server_st *l
   for (x= 0; x < count; x++)
   {
     WATCHPOINT_ASSERT(list[x].hostname[0] != 0);
-    host_reset(&ptr->hosts[ptr->number_of_hosts], list[x].hostname, 
+    host_reset(ptr, &ptr->hosts[ptr->number_of_hosts], list[x].hostname, 
                list[x].port, list[x].type);
     ptr->number_of_hosts++;
   }
   ptr->hosts[0].count= ptr->number_of_hosts;
 
+  if (ptr->number_of_hosts > 1)
+    qsort(ptr->hosts, ptr->number_of_hosts, sizeof(memcached_server_st), compare_servers);
+
   rebalance_wheel(ptr);
 
   return MEMCACHED_SUCCESS;
@@ -153,10 +176,13 @@ static memcached_return server_add(memcached_st *ptr, char *hostname,
 
   ptr->hosts= new_host_list;
 
-  host_reset(&ptr->hosts[ptr->number_of_hosts], hostname, port, type);
+  host_reset(ptr, &ptr->hosts[ptr->number_of_hosts], hostname, port, type);
   ptr->number_of_hosts++;
   ptr->hosts[0].count++;
 
+  if (ptr->number_of_hosts > 1)
+    qsort(ptr->hosts, ptr->number_of_hosts, sizeof(memcached_server_st), compare_servers);
+
   rebalance_wheel(ptr);
 
   LIBMEMCACHED_MEMCACHED_SERVER_ADD_END();
@@ -191,9 +217,18 @@ memcached_server_st *memcached_server_list_append(memcached_server_st *ptr,
     return NULL;
   }
 
-  host_reset(&new_host_list[count-1], hostname, port, MEMCACHED_CONNECTION_TCP);
+  host_reset(NULL, &new_host_list[count-1], hostname, port, MEMCACHED_CONNECTION_TCP);
+
+  /* Backwards compatibility hack */
   new_host_list[0].count++;
 
+  count= new_host_list[0].count;
+
+  if (new_host_list[0].count > 1)
+    qsort(new_host_list, count, sizeof(memcached_server_st), compare_servers);
+
+  new_host_list[0].count= count;
+
 
   *error= MEMCACHED_SUCCESS;
   return new_host_list;