pandora-build 0.9

[m6w6/libmemcached] / libmemcached / memcached_server.c

diff --git a/libmemcached/memcached_server.c b/libmemcached/memcached_server.c
index fd86e6d66233eee1a02c8360b5376cb8ceb9c907..11e5988a6f7b57f7161a4753da0e3bc70e224b57 100644 (file)
--- a/libmemcached/memcached_server.c
+++ b/libmemcached/memcached_server.c
@@ -1,5 +1,85 @@
+/*
+  This is a partial implementation for fetching/creating memcached_server_st objects.
+*/
 #include "common.h"
 
+memcached_server_st *memcached_server_create(memcached_st *memc, memcached_server_st *ptr)
+{
+  if (ptr == NULL)
+  {
+    ptr= (memcached_server_st *)calloc(1, sizeof(memcached_server_st));
+
+    if (!ptr)
+      return NULL; /*  MEMCACHED_MEMORY_ALLOCATION_FAILURE */
+
+    ptr->is_allocated= true;
+  }
+  else
+    memset(ptr, 0, sizeof(memcached_server_st));
+  
+  ptr->root= memc;
+
+  return ptr;
+}
+
+memcached_server_st *memcached_server_create_with(memcached_st *memc, memcached_server_st *host, 
+                                                  const char *hostname, unsigned int port, 
+                                                  uint32_t weight, memcached_connection type)
+{
+  host= memcached_server_create(memc, host);
+
+  if (host == NULL)
+    return NULL;
+
+  strncpy(host->hostname, hostname, MEMCACHED_MAX_HOST_LENGTH - 1);
+  host->root= memc ? memc : NULL;
+  host->port= port;
+  host->weight= weight;
+  host->fd= -1;
+  host->type= type;
+  host->read_ptr= host->read_buffer;
+  if (memc)
+    host->next_retry= memc->retry_timeout;
+  if (type == MEMCACHED_CONNECTION_UDP)
+  {
+    host->write_buffer_offset= UDP_DATAGRAM_HEADER_LENGTH;
+    memcached_io_init_udp_header(host, 0);
+  }
+
+  return host;
+}
+
+void memcached_server_free(memcached_server_st *ptr)
+{
+  memcached_quit_server(ptr, 0);
+
+  if (ptr->address_info)
+  {
+    freeaddrinfo(ptr->address_info);
+    ptr->address_info= NULL;
+  }
+
+  if (ptr->is_allocated)
+    ptr->root->call_free(ptr->root, ptr);
+  else
+    memset(ptr, 0, sizeof(memcached_server_st));
+}
+
+/*
+  If we do not have a valid object to clone from, we toss an error.
+*/
+memcached_server_st *memcached_server_clone(memcached_server_st *clone, memcached_server_st *ptr)
+{
+  /* We just do a normal create if ptr is missing */
+  if (ptr == NULL)
+    return NULL;
+
+  /* TODO We should check return type */
+  return memcached_server_create_with(ptr->root, clone, 
+                                      ptr->hostname, ptr->port, ptr->weight,
+                                      ptr->type);
+}
+
 memcached_return memcached_server_cursor(memcached_st *ptr, 
                                          memcached_server_function *callback,
                                          void *context,
@@ -24,3 +104,30 @@ memcached_return memcached_server_cursor(memcached_st *ptr,
 
   return MEMCACHED_SUCCESS;
 }
+
+memcached_server_st *memcached_server_by_key(memcached_st *ptr,  const char *key, size_t key_length, memcached_return *error)
+{
+  uint32_t server_key;
+
+  *error= memcached_validate_key_length(key_length, 
+                                        ptr->flags & MEM_BINARY_PROTOCOL);
+  unlikely (*error != MEMCACHED_SUCCESS)
+    return NULL;
+
+  unlikely (ptr->number_of_hosts == 0)
+  {
+    *error= MEMCACHED_NO_SERVERS;
+    return NULL;
+  }
+
+  if ((ptr->flags & MEM_VERIFY_KEY) && (memcached_key_test((const char **)&key, &key_length, 1) == MEMCACHED_BAD_KEY_PROVIDED))
+  {
+    *error= MEMCACHED_BAD_KEY_PROVIDED;
+    return NULL;
+  }
+
+  server_key= memcached_generate_hash(ptr, key, key_length);
+
+  return memcached_server_clone(NULL, &ptr->hosts[server_key]);
+
+}