jenkins-promote-staging-trunk-libmemcached-7
[awesomized/libmemcached] / libmemcached / namespace.cc
1 /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
2 *
3 * Libmemcached library
4 *
5 * Copyright (C) 2011 Data Differential, http://datadifferential.com/
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are
10 * met:
11 *
12 * * Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * * Redistributions in binary form must reproduce the above
16 * copyright notice, this list of conditions and the following disclaimer
17 * in the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * * The names of its contributors may not be used to endorse or
21 * promote products derived from this software without specific prior
22 * written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
25 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
26 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
27 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
28 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
29 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
30 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
31 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
34 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 *
36 */
37
38 #include <libmemcached/common.h>
39
40 memcached_return_t memcached_set_namespace(memcached_st *self, const char *key, size_t key_length)
41 {
42 WATCHPOINT_ASSERT(self);
43
44 if (key and key_length == 0)
45 {
46 WATCHPOINT_ASSERT(key_length);
47 return memcached_set_error(*self, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, memcached_literal_param("Invalid namespace, namespace string had value but length was 0"));
48 }
49 else if (key_length and key == NULL)
50 {
51 WATCHPOINT_ASSERT(key);
52 return memcached_set_error(*self, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, memcached_literal_param("Invalid namespace, namespace string length was > 1 but namespace string was null "));
53 }
54 else if (key and key_length)
55 {
56 bool orig= self->flags.verify_key;
57 self->flags.verify_key= true;
58 if (memcached_failed(memcached_key_test(*self, (const char **)&key, &key_length, 1)))
59 {
60 self->flags.verify_key= orig;
61 return memcached_last_error(self);
62 }
63 self->flags.verify_key= orig;
64
65 if ((key_length > MEMCACHED_PREFIX_KEY_MAX_SIZE -1))
66 {
67 return memcached_set_error(*self, MEMCACHED_KEY_TOO_BIG, MEMCACHED_AT);
68 }
69
70 memcached_array_free(self->_namespace);
71 self->_namespace= memcached_strcpy(self, key, key_length);
72
73 if (not self->_namespace)
74 {
75 return memcached_set_error(*self, MEMCACHED_MEMORY_ALLOCATION_FAILURE, MEMCACHED_AT);
76 }
77 }
78 else
79 {
80 memcached_array_free(self->_namespace);
81 self->_namespace= NULL;
82 }
83
84 return MEMCACHED_SUCCESS;
85 }
86
87 const char * memcached_get_namespace(memcached_st *self)
88 {
89 if (not self->_namespace)
90 return NULL;
91
92 return memcached_array_string(self->_namespace);
93 }