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/*
* Copyright (C) 2010 Djellel Eddine Difallah
* 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.
* * Neither the name of Djellel Eddine Difallah nor the names of its contributors
* may 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 HOLDER 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.
*/
#ifndef PLUGIN_MEMCACHED_QUERY_CACHE_MEMCACHED_QC_H
#define PLUGIN_MEMCACHED_QUERY_CACHE_MEMCACHED_QC_H
#include <drizzled/plugin/query_cache.h>
#include "query_cache_service.h"
#include <drizzled/atomics.h>
#include <libmemcached/memcached.hpp>
namespace drizzled
{
class Session;
class select_result;
class String;
class TableList;
}
class MemcachedQueryCache : public drizzled::plugin::QueryCache
{
private:
pthread_mutex_t mutex;
drizzled::QueryCacheService queryCacheService;
static memcache::Memcache* client;
static std::string memcached_servers;
public:
explicit MemcachedQueryCache(std::string name_arg, const std::string &servers_arg): drizzled::plugin::QueryCache(name_arg)
{
client= new memcache::Memcache(servers_arg);
pthread_mutex_init(&mutex, NULL);
queryCacheService= drizzled::QueryCacheService::singleton();
}
~MemcachedQueryCache()
{
delete client;
pthread_mutex_destroy(&mutex);
};
bool doIsCached(drizzled::Session *session);
bool doSendCachedResultset(drizzled::Session *session);
bool doPrepareResultset(drizzled::Session *session);
bool doInsertRecord(drizzled::Session *session, drizzled::List<drizzled::Item> &item);
bool doSetResultset(drizzled::Session *session);
char* md5_key(const char* str);
void checkTables(drizzled::Session *session, drizzled::TableList* in_table);
bool isSelect(std::string query);
static memcache::Memcache* getClient()
{
return client;
}
static const char *getServers()
{
return memcached_servers.c_str();
}
static void setServers(const std::string &server_list)
{
memcached_servers.assign(server_list);
//getClient()->setServers(server_list);
}
};
#endif /* PLUGIN_MEMCACHED_QUERY_CACHE_MEMCACHED_QC_H */
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