1 /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
5 * Copyright (C) 2011 Data Differential, http://datadifferential.com/
6 * Copyright (C) 2010 Brian Aker All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are
12 * * Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
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
20 * * The names of its contributors may not be used to endorse or
21 * promote products derived from this software without specific prior
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.
39 #include <libmemcachedutil/common.h>
43 uint8_t major_version
;
44 uint8_t minor_version
;
45 uint8_t micro_version
;
50 static memcached_return_t
check_server_version(const memcached_st
*,
51 const memcached_server_st
*instance
,
55 struct local_context
*check
= (struct local_context
*)context
;
57 if (instance
->major_version
!= UINT8_MAX
&&
58 instance
->major_version
>= check
->major_version
&&
59 instance
->minor_version
>= check
->minor_version
&&
60 instance
->micro_version
>= check
->micro_version
)
62 return MEMCACHED_SUCCESS
;
67 return MEMCACHED_FAILURE
;
70 bool libmemcached_util_version_check(memcached_st
*memc
,
71 uint8_t major_version
,
72 uint8_t minor_version
,
73 uint8_t micro_version
)
75 if (memcached_version(memc
) != MEMCACHED_SUCCESS
)
78 struct local_context check
= { major_version
, minor_version
, micro_version
, true };
80 memcached_server_fn callbacks
[1];
81 callbacks
[0]= check_server_version
;
82 memcached_server_cursor(memc
, callbacks
, (void *)&check
, 1);