-#include <memcached.h>
+#include "common.h"
memcached_return memcached_delete(memcached_st *ptr, char *key, size_t key_length,
time_t expiration)
{
- size_t send_length, sent_length;
+ return memcached_delete_by_key(ptr, key, key_length,
+ key, key_length, expiration);
+}
+
+memcached_return memcached_delete_by_key(memcached_st *ptr,
+ char *master_key, size_t master_key_length,
+ char *key, size_t key_length,
+ time_t expiration)
+{
+ char to_write;
+ size_t send_length;
memcached_return rc;
char buffer[MEMCACHED_DEFAULT_COMMAND_SIZE];
unsigned int server_key;
- rc= memcached_connect(ptr);
+ LIBMEMCACHED_MEMCACHED_DELETE_START();
- if (rc != MEMCACHED_SUCCESS)
- return rc;
+ if (key_length == 0)
+ return MEMCACHED_NO_KEY_PROVIDED;
+
+ if (ptr->hosts == NULL || ptr->number_of_hosts == 0)
+ return MEMCACHED_NO_SERVERS;
- server_key= memcached_generate_hash(key, key_length) % ptr->number_of_hosts;
+ server_key= memcached_generate_hash(ptr, master_key, master_key_length);
if (expiration)
send_length= snprintf(buffer, MEMCACHED_DEFAULT_COMMAND_SIZE,
"delete %.*s\r\n", (int)key_length, key);
if (send_length >= MEMCACHED_DEFAULT_COMMAND_SIZE)
- return MEMCACHED_WRITE_FAILURE;
+ {
+ rc= MEMCACHED_WRITE_FAILURE;
+ goto error;
+ }
+
+ to_write= (ptr->flags & MEM_BUFFER_REQUESTS) ? 0 : 1;
+
+ rc= memcached_do(ptr, server_key, buffer, send_length, to_write);
+ if (rc != MEMCACHED_SUCCESS)
+ goto error;
+
+ if ((ptr->flags & MEM_BUFFER_REQUESTS))
+ {
+ rc= MEMCACHED_BUFFERED;
+ }
+ else
+ {
+ rc= memcached_response(ptr, buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, NULL, server_key);
+ if (rc == MEMCACHED_DELETED)
+ rc= MEMCACHED_SUCCESS;
+ }
+
+error:
+ LIBMEMCACHED_MEMCACHED_DELETE_END();
+ return rc;
+}
+
+memcached_return memcached_mdelete(memcached_st *ptr,
+ char **key, size_t *key_length,
+ unsigned int number_of_keys,
+ time_t expiration)
+{
+ return memcached_mdelete_by_key(ptr, NULL, 0,
+ key, key_length,
+ number_of_keys, expiration);
+
+}
+
+memcached_return memcached_mdelete_by_key(memcached_st *ptr,
+ char *master_key, size_t master_key_length,
+ char **key, size_t *key_length,
+ unsigned int number_of_keys,
+ time_t expiration)
+{
+ size_t send_length;
+ memcached_return rc= MEMCACHED_SUCCESS;
+ char buffer[MEMCACHED_DEFAULT_COMMAND_SIZE];
+ unsigned int master_server_key= 0;
+ unsigned int x;
+
+ LIBMEMCACHED_MEMCACHED_DELETE_START();
+
+ if (ptr->hosts == NULL || ptr->number_of_hosts == 0)
+ return MEMCACHED_NO_SERVERS;
+
+ if (master_key && master_key_length)
+ master_server_key= memcached_generate_hash(ptr, master_key, master_key_length);
+
+ for (x= 0; x < number_of_keys; x++)
+ {
+ unsigned int server_key;
+
+ if (master_key && master_key_length)
+ server_key= master_server_key;
+ else
+ server_key= memcached_generate_hash(ptr, key[x], key_length[x]);
- sent_length= send(ptr->hosts[server_key].fd, buffer, send_length, 0);
+ if (expiration)
+ send_length= snprintf(buffer, MEMCACHED_DEFAULT_COMMAND_SIZE,
+ "delete %.*s %llu\r\n", (int)(key_length[x]), key[x],
+ (unsigned long long)expiration);
+ else
+ send_length= snprintf(buffer, MEMCACHED_DEFAULT_COMMAND_SIZE,
+ "delete %.*s\r\n", (int)(key_length[x]), key[x]);
- if (sent_length == -1 || sent_length != send_length)
- return MEMCACHED_WRITE_FAILURE;
+ (void)memcached_do(ptr, server_key, buffer, send_length, 0);
+ }
- return memcached_response(ptr, buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, server_key);
+ return MEMCACHED_BUFFERED;
}