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/**
* @file llviewerassetstorage.h
* @brief Class for loading asset data to/from an external source.
*
* $LicenseInfo:firstyear=2003&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, 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 LLVIEWERASSETSTORAGE_H
#define LLVIEWERASSETSTORAGE_H
#include "llassetstorage.h"
#include "llcorehttputil.h"
class LLFileSystem;
class LLViewerAssetRequest;
class LLViewerAssetStorage : public LLAssetStorage
{
public:
LLViewerAssetStorage(LLMessageSystem *msg, LLXferManager *xfer, const LLHost &upstream_host);
LLViewerAssetStorage(LLMessageSystem *msg, LLXferManager *xfer);
~LLViewerAssetStorage();
void storeAssetData(
const LLTransactionID& tid,
LLAssetType::EType atype,
LLStoreAssetCallback callback,
void* user_data,
bool temp_file = false,
bool is_priority = false,
bool store_local = false,
bool user_waiting=FALSE,
F64Seconds timeout=LL_ASSET_STORAGE_TIMEOUT) override;
void storeAssetData(
const std::string& filename,
const LLTransactionID& tid,
LLAssetType::EType type,
LLStoreAssetCallback callback,
void* user_data,
bool temp_file = false,
bool is_priority = false,
bool user_waiting=FALSE,
F64Seconds timeout=LL_ASSET_STORAGE_TIMEOUT) override;
protected:
void _queueDataRequest(const LLUUID& uuid,
LLAssetType::EType type,
LLGetAssetCallback callback,
void *user_data,
BOOL duplicate,
BOOL is_priority) override;
void queueRequestHttp(const LLUUID& uuid,
LLAssetType::EType type,
LLGetAssetCallback callback,
void *user_data,
BOOL duplicate,
BOOL is_priority);
void capsRecvForRegion(const LLUUID& region_id, std::string pumpname);
void assetRequestCoro(LLViewerAssetRequest *req,
const LLUUID uuid,
LLAssetType::EType atype,
LLGetAssetCallback callback,
void *user_data);
std::string getAssetURL(const std::string& cap_url, const LLUUID& uuid, LLAssetType::EType atype);
void logAssetStorageInfo() override;
// Asset storage works through coroutines and coroutines have limited queue capacity
// This class is meant to temporary store requests when fiber's queue is full
class CoroWaitList
{
public:
CoroWaitList(LLViewerAssetRequest *req,
const LLUUID& uuid,
LLAssetType::EType atype,
LLGetAssetCallback &callback,
void *user_data)
: mRequest(req),
mId(uuid),
mType(atype),
mCallback(callback),
mUserData(user_data)
{
}
LLViewerAssetRequest* mRequest;
LLUUID mId;
LLAssetType::EType mType;
LLGetAssetCallback mCallback;
void *mUserData;
};
std::string mViewerAssetUrl;
S32 mCountRequests;
S32 mCountStarted;
S32 mCountCompleted;
S32 mCountSucceeded;
S64 mTotalBytesFetched;
static S32 sAssetCoroCount; // coroutine count, static since coroutines can outlive LLViewerAssetStorage
};
#endif
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