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/**
* @file lltransfersourceasset.h
* @brief Transfer system for sending an asset.
*
* $LicenseInfo:firstyear=2006&license=viewergpl$
*
* Copyright (c) 2006-2009, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#ifndef LL_LLTRANSFERSOURCEASSET_H
#define LL_LLTRANSFERSOURCEASSET_H
#include "lltransfermanager.h"
#include "llassetstorage.h"
class LLVFile;
class LLTransferSourceParamsAsset : public LLTransferSourceParams
{
public:
LLTransferSourceParamsAsset();
virtual ~LLTransferSourceParamsAsset() {}
/*virtual*/ void packParams(LLDataPacker &dp) const;
/*virtual*/ BOOL unpackParams(LLDataPacker &dp);
void setAsset(const LLUUID &asset_id, const LLAssetType::EType asset_type);
LLUUID getAssetID() const { return mAssetID; }
LLAssetType::EType getAssetType() const { return mAssetType; }
protected:
LLUUID mAssetID;
LLAssetType::EType mAssetType;
};
class LLTransferSourceAsset : public LLTransferSource
{
public:
LLTransferSourceAsset(const LLUUID &request_id, const F32 priority);
virtual ~LLTransferSourceAsset();
static void responderCallback(LLVFS *vfs, const LLUUID& uuid, LLAssetType::EType type,
void *user_data, S32 result, LLExtStat ext_status );
protected:
/*virtual*/ void initTransfer();
/*virtual*/ F32 updatePriority();
/*virtual*/ LLTSCode dataCallback(const S32 packet_id,
const S32 max_bytes,
U8 **datap,
S32 &returned_bytes,
BOOL &delete_returned);
/*virtual*/ void completionCallback(const LLTSCode status);
virtual void packParams(LLDataPacker& dp) const;
/*virtual*/ BOOL unpackParams(LLDataPacker &dp);
protected:
LLTransferSourceParamsAsset mParams;
BOOL mGotResponse;
S32 mCurPos;
};
/**
* @brief Quick check to see if the asset allows direct download.
*
* This might not be the right place for this function call, but it
* originally started life inside the LLTransferSourceAsset code.
* @param type The type of asset.
* @return Returns true if the asset can be fetched by id.
*/
bool is_asset_fetch_by_id_allowed(LLAssetType::EType type);
/**
* @brief Quick check to see if all asset data can be known by the viewer.
*
* This might not be the right place for this function call, but it
* originally started life inside the LLTransferSourceAsset code.
* @param type The type of asset.
* @return Returns true if the asset id can be transmitted to the viewer.
*/
bool is_asset_id_knowable(LLAssetType::EType type);
#endif // LL_LLTRANSFERSOURCEASSET_H
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