Add in missing files.
[m6w6/libmemcached] / libmemcached / server.hpp
1 /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
2 *
3 * Libmemcached library
4 *
5 * Copyright (C) 2011 Data Differential, http://datadifferential.com/
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are
9 * met:
10 *
11 * * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 *
14 * * Redistributions in binary form must reproduce the above
15 * copyright notice, this list of conditions and the following disclaimer
16 * in the documentation and/or other materials provided with the
17 * distribution.
18 *
19 * * The names of its contributors may not be used to endorse or
20 * promote products derived from this software without specific prior
21 * written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
27 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
29 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 *
35 */
36
37
38 #pragma once
39
40 #ifdef HAVE_SYS_TIME_H
41 #include <sys/time.h>
42 #endif
43
44 #include <cassert>
45
46 memcached_server_st *__server_create_with(memcached_st *memc,
47 memcached_server_st* self,
48 const memcached_string_t& hostname,
49 const in_port_t port,
50 uint32_t weight,
51 const memcached_connection_t type);
52
53 memcached_return_t memcached_server_add_parsed(memcached_st *ptr,
54 const char *hostname,
55 size_t hostname_length,
56 in_port_t port,
57 uint32_t weight);
58
59 void __server_free(memcached_server_st *);
60
61 static inline bool memcached_is_valid_servername(const memcached_string_t& arg)
62 {
63 return arg.size > 0 or arg.size < NI_MAXHOST;
64 }
65
66 void memcached_instance_free(org::libmemcached::Instance *);
67
68 void set_last_disconnected_host(org::libmemcached::Instance* self);
69
70 static inline void memcached_mark_server_for_timeout(org::libmemcached::Instance* server)
71 {
72 if (server->state != MEMCACHED_SERVER_STATE_IN_TIMEOUT)
73 {
74 struct timeval next_time;
75 if (gettimeofday(&next_time, NULL) == 0)
76 {
77 server->next_retry= next_time.tv_sec +server->root->retry_timeout;
78 }
79 else
80 {
81 server->next_retry= 1; // Setting the value to 1 causes the timeout to occur immediatly
82 }
83
84 server->state= MEMCACHED_SERVER_STATE_IN_TIMEOUT;
85 if (server->server_failure_counter_query_id != server->root->query_id)
86 {
87 server->server_failure_counter++;
88 server->server_failure_counter_query_id= server->root->query_id;
89 }
90 set_last_disconnected_host(server);
91 }
92 }