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/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Libmemcached library
*
* Copyright (C) 2011 Data Differential, http://datadifferential.com/
*
* 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
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include <cassert>
memcached_server_st *__server_create_with(memcached_st *memc,
memcached_server_st* self,
const memcached_string_t& hostname,
const in_port_t port,
uint32_t weight,
const memcached_connection_t type);
memcached_return_t memcached_server_add_parsed(memcached_st *ptr,
const char *hostname,
size_t hostname_length,
in_port_t port,
uint32_t weight);
void __server_free(memcached_server_st *);
static inline bool memcached_is_valid_servername(const memcached_string_t& arg)
{
return (arg.c_str != NULL or arg.size == 0) and arg.size < MEMCACHED_NI_MAXHOST;
}
static inline bool memcached_is_valid_filename(const memcached_string_t& arg)
{
return arg.c_str != NULL and arg.size > 0 and arg.size < MEMCACHED_NI_MAXHOST;
}
void memcached_instance_free(memcached_instance_st *);
void set_last_disconnected_host(memcached_instance_st* self);
static inline void memcached_mark_server_for_timeout(memcached_instance_st* server)
{
if (server->state != MEMCACHED_SERVER_STATE_IN_TIMEOUT)
{
if (server->server_timeout_counter_query_id != server->root->query_id)
{
server->server_timeout_counter++;
server->server_timeout_counter_query_id= server->root->query_id;
}
if (server->server_timeout_counter >= server->root->server_timeout_limit)
{
struct timeval next_time;
if (gettimeofday(&next_time, NULL) == 0)
{
server->next_retry= next_time.tv_sec +server->root->retry_timeout;
}
else
{
server->next_retry= 1; // Setting the value to 1 causes the timeout to occur immediatly
}
server->state= MEMCACHED_SERVER_STATE_IN_TIMEOUT;
if (server->server_failure_counter_query_id != server->root->query_id)
{
server->server_failure_counter++;
server->server_failure_counter_query_id= server->root->query_id;
}
set_last_disconnected_host(server);
}
}
}
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