+/* LibMemcached
+ * Copyright (C) 2006-2009 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: String structure used for libmemcached.
+ *
+ */
+
+/*
+ This is a partial implementation for fetching/creating memcached_server_st objects.
+*/
#include "common.h"
-memcached_return memcached_server_cursor(memcached_st *ptr,
- memcached_server_function *callback,
- void *context,
- unsigned int number_of_callbacks)
+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->options.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, in_port_t port,
+ uint32_t weight, memcached_connection_t 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->cached_server_error)
+ free(ptr->cached_server_error);
+
+ if (ptr->address_info)
+ freeaddrinfo(ptr->address_info);
+
+
+ if (memcached_is_allocated(ptr))
+ {
+ 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)
+{
+ memcached_server_st *rv= NULL;
+
+ /* We just do a normal create if ptr is missing */
+ if (ptr == NULL)
+ return NULL;
+
+ rv = memcached_server_create_with(ptr->root, clone,
+ ptr->hostname, ptr->port, ptr->weight,
+ ptr->type);
+ if (rv != NULL)
+ {
+ rv->cached_errno= ptr->cached_errno;
+ if (ptr->cached_server_error)
+ rv->cached_server_error= strdup(ptr->cached_server_error);
+ }
+
+ return rv;
+
+}
+
+memcached_return_t memcached_server_cursor(memcached_st *ptr,
+ memcached_server_fn *callback,
+ void *context,
+ uint32_t number_of_callbacks)
{
unsigned int y;
return MEMCACHED_SUCCESS;
}
+
+memcached_server_st *memcached_server_by_key(memcached_st *ptr, const char *key, size_t key_length, memcached_return_t *error)
+{
+ uint32_t server_key;
+
+ *error= memcached_validate_key_length(key_length,
+ ptr->flags.binary_protocol);
+ unlikely (*error != MEMCACHED_SUCCESS)
+ return NULL;
+
+ unlikely (ptr->number_of_hosts == 0)
+ {
+ *error= MEMCACHED_NO_SERVERS;
+ return NULL;
+ }
+
+ if (ptr->flags.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]);
+
+}
+
+const char *memcached_server_error(memcached_server_st *ptr)
+{
+ if (ptr)
+ return ptr->cached_server_error;
+ else
+ return NULL;
+}
+
+void memcached_server_error_reset(memcached_server_st *ptr)
+{
+ ptr->cached_server_error[0]= 0;
+}
+
+memcached_server_st *memcached_server_get_last_disconnect(memcached_st *ptr)
+{
+ return ptr->last_disconnected_server;
+}