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/**
* @file llcoproceduremanager.h
* @author Rider Linden
* @brief Singleton class for managing asset uploads to the sim.
*
* $LicenseInfo:firstyear=2015&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2015, 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_COPROCEDURE_MANAGER_H
#define LL_COPROCEDURE_MANAGER_H
#include "lleventcoro.h"
#include "llcoros.h"
#include "llcorehttputil.h"
#include "lluuid.h"
#include <boost/smart_ptr/shared_ptr.hpp>
class LLCoprocedurePool;
class LLCoprocedureManager : public LLSingleton < LLCoprocedureManager >
{
LLSINGLETON(LLCoprocedureManager);
virtual ~LLCoprocedureManager();
public:
typedef boost::function<U32(const std::string &)> SettingQuery_t;
typedef boost::function<void(const std::string &, U32, const std::string &)> SettingUpdate_t;
typedef boost::function<void(LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t &, const LLUUID &id)> CoProcedure_t;
/// Places the coprocedure on the queue for processing.
///
/// @param name Is used for debugging and should identify this coroutine.
/// @param proc Is a bound function to be executed
///
/// @return This method returns a UUID that can be used later to cancel execution.
LLUUID enqueueCoprocedure(const std::string &pool, const std::string &name, CoProcedure_t proc);
/// Cancel a coprocedure. If the coprocedure is already being actively executed
/// this method calls cancelYieldingOperation() on the associated HttpAdapter
/// If it has not yet been dequeued it is simply removed from the queue.
//void cancelCoprocedure(const LLUUID &id);
void setPropertyMethods(SettingQuery_t queryfn, SettingUpdate_t updatefn);
/// Returns the number of coprocedures in the queue awaiting processing.
///
size_t countPending() const;
size_t countPending(const std::string &pool) const;
/// Returns the number of coprocedures actively being processed.
///
size_t countActive() const;
size_t countActive(const std::string &pool) const;
/// Returns the total number of coprocedures either queued or in active processing.
///
size_t count() const;
size_t count(const std::string &pool) const;
void close();
void close(const std::string &pool);
private:
typedef boost::shared_ptr<LLCoprocedurePool> poolPtr_t;
typedef std::map<std::string, poolPtr_t> poolMap_t;
poolMap_t mPoolMap;
poolPtr_t initializePool(const std::string &poolName);
SettingQuery_t mPropertyQueryFn;
SettingUpdate_t mPropertyDefineFn;
};
#endif
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