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/**
* @file llexperiencecache.h
* @brief Caches information relating to experience keys
*
* $LicenseInfo:firstyear=2012&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2012, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LL_LLEXPERIENCECACHE_H
#define LL_LLEXPERIENCECACHE_H
#include "linden_common.h"
#include <boost/signals2.hpp>
class LLSD;
class LLUUID;
namespace LLExperienceCache
{
const std::string PUBLIC_KEY = "public-id";
const std::string PRIVATE_KEY = "private-id";
const std::string CREATOR_KEY = "creator-id";
const std::string NAME = "name";
const std::string PROPERTIES = "properties";
const std::string EXPIRES = "expires";
const int EXPERIENCE_INVALID = (1 << 0);
const int EXPERIENCE_NORMAL = (1 << 1);
const int EXPERIENCE_REGION = (1 << 2);
const static F64 DEFAULT_EXPIRATION = 600.0;
// dummy name used when we have nothing else
const std::string DUMMY_NAME = "\?\?\?";
// Callback types for get() below
typedef boost::signals2::signal<void (const LLSD& experience)>
callback_signal_t;
typedef callback_signal_t::slot_type callback_slot_t;
typedef std::map<LLUUID, LLSD> cache_t;
void setLookupURL(const std::string& lookup_url);
bool hasLookupURL();
void setMaximumLookups(int maximumLookups);
void idle();
void exportFile(std::ostream& ostr);
void importFile(std::istream& istr);
void initClass();
void erase(const LLUUID& key, const std::string& key_type);
bool fetch(const LLUUID& key, const std::string& key_type, bool refresh = false);
void insert(LLSD& experience_data);
bool get(const LLUUID& key, const std::string& key_type, LLSD& experience_data);
// If name information is in cache, callback will be called immediately.
void get(const LLUUID& key, const std::string& key_type, callback_slot_t slot);
const cache_t& getCached();
};
#endif // LL_LLEXPERIENCECACHE_H
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