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/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Libmemcached library
*
* Copyright (C) 2012-2013 Data Differential, http://datadifferential.com/
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*
* * The names of its contributors may not be used to endorse or
* promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#pragma once
#ifndef WIN32
# ifdef HAVE_NETDB_H
# include <netdb.h>
# endif
#endif
#ifdef NI_MAXHOST
# define MEMCACHED_NI_MAXHOST NI_MAXHOST
#else
# define MEMCACHED_NI_MAXHOST 1025
#endif
#ifdef NI_MAXSERV
# define MEMCACHED_NI_MAXSERV NI_MAXSERV
#else
# define MEMCACHED_NI_MAXSERV 32
#endif
#include "libmemcached/string.hpp"
// @todo Complete class transformation
struct memcached_instance_st {
in_port_t port() const
{
return port_;
}
void port(in_port_t arg)
{
port_= arg;
}
void mark_server_as_clean()
{
server_failure_counter= 0;
next_retry= 0;
}
void disable()
{
}
void enable()
{
}
bool valid() const;
bool is_shutting_down() const;
void start_close_socket();
void close_socket();
void reset_socket();
uint32_t response_count() const
{
return cursor_active_;
}
struct {
bool is_allocated;
bool is_initialized;
bool is_shutting_down;
bool is_dead;
bool ready;
} options;
short _events;
short _revents;
short events(void)
{
return _events;
}
short revents(void)
{
return _revents;
}
const char* hostname()
{
return _hostname;
}
void hostname(const memcached_string_t& hostname_)
{
if (hostname_.size)
{
memcpy(_hostname, hostname_.c_str, hostname_.size);
_hostname[hostname_.size]= 0;
}
else
{
memcpy(_hostname, memcached_literal_param("localhost"));
_hostname[memcached_literal_param_size("localhost")]= 0;
}
}
void events(short);
void revents(short);
uint32_t cursor_active_;
in_port_t port_;
memcached_socket_t fd;
uint32_t io_bytes_sent; /* # bytes sent since last read */
uint32_t request_id;
uint32_t server_failure_counter;
uint64_t server_failure_counter_query_id;
uint32_t weight;
uint32_t version;
enum memcached_server_state_t state;
struct {
uint32_t read;
uint32_t write;
uint32_t timeouts;
size_t _bytes_read;
} io_wait_count;
uint8_t major_version; // Default definition of UINT8_MAX means that it has not been set.
uint8_t micro_version; // ditto, and note that this is the third, not second version bit
uint8_t minor_version; // ditto
memcached_connection_t type;
char *read_ptr;
size_t read_buffer_length;
size_t read_data_length;
size_t write_buffer_offset;
struct addrinfo *address_info;
struct addrinfo *address_info_next;
time_t next_retry;
struct memcached_st *root;
uint64_t limit_maxbytes;
struct memcached_error_t *error_messages;
char read_buffer[MEMCACHED_MAX_BUFFER];
char write_buffer[MEMCACHED_MAX_BUFFER];
char _hostname[MEMCACHED_NI_MAXHOST];
void clear_addrinfo()
{
if (address_info)
{
freeaddrinfo(address_info);
address_info= NULL;
address_info_next= NULL;
}
}
};
memcached_instance_st* __instance_create_with(memcached_st *memc,
memcached_instance_st* self,
const memcached_string_t& _hostname,
const in_port_t port,
uint32_t weight,
const memcached_connection_t type);
memcached_return_t memcached_instance_push(memcached_st *ptr, const memcached_instance_st*, uint32_t);
void __instance_free(memcached_instance_st *);
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