1 /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
5 * Copyright (C) 2011 Data Differential, http://datadifferential.com/
6 * Copyright (C) 2006-2009 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
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34 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
41 struct memcached_server_st
{
44 bool is_initialized
:1;
45 bool is_shutting_down
:1;
48 uint32_t number_of_hosts
;
49 uint32_t cursor_active
;
52 memcached_socket_t fd
;
53 uint32_t io_bytes_sent
; /* # bytes sent since last read */
54 uint32_t server_failure_counter
;
60 uint8_t major_version
; // Default definition of UINT8_MAX means that it has not been set.
61 uint8_t micro_version
; // ditto
62 uint8_t minor_version
; // ditto
63 memcached_connection_t type
;
65 char *cached_server_error
;
66 size_t read_buffer_length
;
67 size_t read_data_length
;
68 size_t write_buffer_offset
;
69 struct addrinfo
*address_info
;
70 struct addrinfo
*address_info_next
;
73 uint64_t limit_maxbytes
;
74 char read_buffer
[MEMCACHED_MAX_BUFFER
];
75 char write_buffer
[MEMCACHED_MAX_BUFFER
];
76 char hostname
[NI_MAXHOST
];
85 memcached_return_t
memcached_server_cursor(const memcached_st
*ptr
,
86 const memcached_server_fn
*callback
,
88 uint32_t number_of_callbacks
);
91 memcached_server_instance_st
memcached_server_by_key(const memcached_st
*ptr
,
94 memcached_return_t
*error
);
97 void memcached_server_error_reset(memcached_server_st
*ptr
);
100 void memcached_server_free(memcached_server_st
*ptr
);
103 memcached_server_st
*memcached_server_clone(memcached_server_st
*destination
,
104 const memcached_server_st
*source
);
107 memcached_server_instance_st
memcached_server_get_last_disconnect(const memcached_st
*ptr
);
111 memcached_return_t
memcached_server_add_udp(memcached_st
*ptr
,
112 const char *hostname
,
115 memcached_return_t
memcached_server_add_unix_socket(memcached_st
*ptr
,
116 const char *filename
);
118 memcached_return_t
memcached_server_add(memcached_st
*ptr
,
119 const char *hostname
, in_port_t port
);
122 memcached_return_t
memcached_server_add_udp_with_weight(memcached_st
*ptr
,
123 const char *hostname
,
127 memcached_return_t
memcached_server_add_unix_socket_with_weight(memcached_st
*ptr
,
128 const char *filename
,
131 memcached_return_t
memcached_server_add_with_weight(memcached_st
*ptr
, const char *hostname
,
136 Operations on Single Servers.
139 uint32_t memcached_server_response_count(memcached_server_instance_st self
);
142 const char *memcached_server_name(memcached_server_instance_st self
);
145 in_port_t
memcached_server_port(memcached_server_instance_st self
);
148 const char *memcached_server_error(memcached_server_instance_st ptr
);