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/**
* @file lltransfertargetvfile.cpp
* @brief Transfer system for receiving a vfile.
*
* $LicenseInfo:firstyear=2006&license=viewergpl$
*
* Copyright (c) 2006-2008, 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.
* $/LicenseInfo$
*/
#include "linden_common.h"
#include "lltransfertargetvfile.h"
#include "lldatapacker.h"
#include "llerror.h"
#include "llvfile.h"
//static
void LLTransferTargetVFile::updateQueue(bool shutdown)
{
}
LLTransferTargetParamsVFile::LLTransferTargetParamsVFile() :
LLTransferTargetParams(LLTTT_VFILE),
mAssetType(LLAssetType::AT_NONE),
mCompleteCallback(NULL),
mUserDatap(NULL),
mErrCode(0)
{
}
void LLTransferTargetParamsVFile::setAsset(
const LLUUID& asset_id,
LLAssetType::EType asset_type)
{
mAssetID = asset_id;
mAssetType = asset_type;
}
void LLTransferTargetParamsVFile::setCallback(LLTTVFCompleteCallback cb, void *user_data)
{
mCompleteCallback = cb;
mUserDatap = user_data;
}
bool LLTransferTargetParamsVFile::unpackParams(LLDataPacker& dp)
{
// if the source provided a new key, assign that to the asset id.
if(dp.hasNext())
{
LLUUID dummy_id;
dp.unpackUUID(dummy_id, "AgentID");
dp.unpackUUID(dummy_id, "SessionID");
dp.unpackUUID(dummy_id, "OwnerID");
dp.unpackUUID(dummy_id, "TaskID");
dp.unpackUUID(dummy_id, "ItemID");
dp.unpackUUID(mAssetID, "AssetID");
S32 dummy_type;
dp.unpackS32(dummy_type, "AssetType");
}
// if we never got an asset id, this will always fail.
if(mAssetID.isNull())
{
return false;
}
return true;
}
LLTransferTargetVFile::LLTransferTargetVFile(
const LLUUID& uuid,
LLTransferSourceType src_type) :
LLTransferTarget(LLTTT_VFILE, uuid, src_type),
mNeedsCreate(TRUE)
{
mTempID.generate();
}
LLTransferTargetVFile::~LLTransferTargetVFile()
{
}
// virtual
bool LLTransferTargetVFile::unpackParams(LLDataPacker& dp)
{
if(LLTST_SIM_INV_ITEM == mSourceType)
{
return mParams.unpackParams(dp);
}
return true;
}
void LLTransferTargetVFile::applyParams(const LLTransferTargetParams ¶ms)
{
if (params.getType() != mType)
{
llwarns << "Target parameter type doesn't match!" << llendl;
return;
}
mParams = (LLTransferTargetParamsVFile &)params;
}
LLTSCode LLTransferTargetVFile::dataCallback(const S32 packet_id, U8 *in_datap, const S32 in_size)
{
//llinfos << "LLTransferTargetFile::dataCallback" << llendl;
//llinfos << "Packet: " << packet_id << llendl;
LLVFile vf(gAssetStorage->mVFS, mTempID, mParams.getAssetType(), LLVFile::APPEND);
if (mNeedsCreate)
{
vf.setMaxSize(mSize);
mNeedsCreate = FALSE;
}
if (!in_size)
{
return LLTS_OK;
}
if (!vf.write(in_datap, in_size))
{
llwarns << "Failure in LLTransferTargetVFile::dataCallback!" << llendl;
return LLTS_ERROR;
}
return LLTS_OK;
}
void LLTransferTargetVFile::completionCallback(const LLTSCode status)
{
//llinfos << "LLTransferTargetVFile::completionCallback" << llendl;
if (!gAssetStorage)
{
llwarns << "Aborting vfile transfer after asset storage shut down!" << llendl;
return;
}
// Still need to gracefully handle error conditions.
S32 err_code = 0;
switch (status)
{
case LLTS_DONE:
if (!mNeedsCreate)
{
LLVFile file(gAssetStorage->mVFS, mTempID, mParams.getAssetType(), LLVFile::WRITE);
if (!file.rename(mParams.getAssetID(), mParams.getAssetType()))
{
llerrs << "LLTransferTargetVFile: rename failed" << llendl;
}
}
err_code = LL_ERR_NOERR;
lldebugs << "LLTransferTargetVFile::completionCallback for "
<< mParams.getAssetID() << ","
<< LLAssetType::lookup(mParams.getAssetType())
<< " with temp id " << mTempID << llendl;
break;
case LLTS_ERROR:
case LLTS_ABORT:
case LLTS_UNKNOWN_SOURCE:
default:
{
// We're aborting this transfer, we don't want to keep this file.
llwarns << "Aborting vfile transfer for " << mParams.getAssetID() << llendl;
LLVFile vf(gAssetStorage->mVFS, mTempID, mParams.getAssetType(), LLVFile::APPEND);
vf.remove();
}
break;
}
switch (status)
{
case LLTS_DONE:
err_code = LL_ERR_NOERR;
break;
case LLTS_UNKNOWN_SOURCE:
err_code = LL_ERR_ASSET_REQUEST_NOT_IN_DATABASE;
break;
case LLTS_INSUFFICIENT_PERMISSIONS:
err_code = LL_ERR_INSUFFICIENT_PERMISSIONS;
break;
case LLTS_ERROR:
case LLTS_ABORT:
default:
err_code = LL_ERR_ASSET_REQUEST_FAILED;
break;
}
if (mParams.mCompleteCallback)
{
mParams.mCompleteCallback(err_code,
mParams.getAssetID(),
mParams.getAssetType(),
mParams.mUserDatap,
LL_EXSTAT_NONE);
}
}
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