Merge lp:~tangent-org/libmemcached/1.0-build/ Build: jenkins-Libmemcached-187
[m6w6/libmemcached] / libmemcachedutil / ping.cc
1 /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
2 *
3 * Libmemcached library
4 *
5 * Copyright (C) 2011 Data Differential, http://datadifferential.com/
6 * Copyright (C) 2010 Brian Aker 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 * Summary: connects to a host, and makes sure it is alive.
37 *
38 */
39
40 #include <libmemcachedutil/common.h>
41
42 bool libmemcached_util_ping(const char *hostname, in_port_t port, memcached_return_t *ret)
43 {
44 memcached_return_t unused;
45 if (ret == NULL)
46 {
47 ret= &unused;
48 }
49
50 memcached_st *memc_ptr= memcached_create(NULL);
51 if (memc_ptr == NULL)
52 {
53 *ret= MEMCACHED_MEMORY_ALLOCATION_FAILURE;
54 return false;
55 }
56
57 if (memcached_success((*ret= memcached_behavior_set(memc_ptr, MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT, 400000))))
58 {
59 memcached_return_t rc= memcached_server_add(memc_ptr, hostname, port);
60 if (memcached_success(rc))
61 {
62 rc= memcached_version(memc_ptr);
63 }
64
65 if (memcached_failed(rc) and rc == MEMCACHED_SOME_ERRORS)
66 {
67 memcached_server_instance_st instance=
68 memcached_server_instance_by_position(memc_ptr, 0);
69
70 assert_msg(instance and memcached_server_error(instance), " ");
71 if (instance and memcached_server_error(instance))
72 {
73 rc= memcached_server_error_return(instance);
74 }
75 }
76
77 *ret= rc;
78 }
79 memcached_free(memc_ptr);
80
81 return memcached_success(*ret);
82 }
83
84 bool libmemcached_util_ping2(const char *hostname, in_port_t port, const char *username, const char *password, memcached_return_t *ret)
85 {
86 if (username == NULL)
87 {
88 return libmemcached_util_ping(hostname, port, ret);
89 }
90
91 memcached_return_t unused;
92 if (not ret)
93 ret= &unused;
94
95 if (LIBMEMCACHED_WITH_SASL_SUPPORT == 0)
96 {
97 *ret= MEMCACHED_NOT_SUPPORTED;
98 return false;
99 }
100
101 memcached_st *memc_ptr= memcached_create(NULL);
102 if (not memc_ptr)
103 {
104 *ret= MEMCACHED_MEMORY_ALLOCATION_FAILURE;
105 return false;
106 }
107
108 if (memcached_failed(*ret= memcached_set_sasl_auth_data(memc_ptr, username, password)))
109 {
110 memcached_free(memc_ptr);
111 return false;
112 }
113
114 memcached_return_t rc= memcached_server_add(memc_ptr, hostname, port);
115 if (memcached_success(rc))
116 {
117 rc= memcached_version(memc_ptr);
118 }
119
120 if (memcached_failed(rc) and rc == MEMCACHED_SOME_ERRORS)
121 {
122 memcached_server_instance_st instance=
123 memcached_server_instance_by_position(memc_ptr, 0);
124
125 assert_msg(instance and memcached_server_error(instance), " ");
126 if (instance and memcached_server_error(instance))
127 {
128 rc= memcached_server_error_return(instance);
129 }
130 }
131 memcached_free(memc_ptr);
132
133 *ret= rc;
134
135 return memcached_success(rc);
136 }