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/**
* @file lltransfertargetvfile.cpp
* @brief Transfer system for receiving a vfile.
*
* $LicenseInfo:firstyear=2006&license=viewerlgpl$
* 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
* $/LicenseInfo$
*/
#include "linden_common.h"
#include "lltransfertargetvfile.h"
#include "lldatapacker.h"
#include "llerror.h"
#include "llfilesystem.h"
//static
void LLTransferTargetVFile::updateQueue(bool shutdown)
{
}
LLTransferTargetParamsVFile::LLTransferTargetParamsVFile() :
LLTransferTargetParams(LLTTT_VFILE),
mAssetType(LLAssetType::AT_NONE),
mCompleteCallback(NULL),
mRequestDatap(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, LLBaseDownloadRequest& request)
{
mCompleteCallback = cb;
if (mRequestDatap)
{
delete mRequestDatap;
}
mRequestDatap = request.getCopy();
}
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()
{
if (mParams.mRequestDatap)
{
// TODO: Consider doing it in LLTransferTargetParamsVFile's destructor
delete mParams.mRequestDatap;
mParams.mRequestDatap = NULL;
}
}
// 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)
{
LL_WARNS() << "Target parameter type doesn't match!" << LL_ENDL;
return;
}
mParams = (LLTransferTargetParamsVFile &)params;
}
LLTSCode LLTransferTargetVFile::dataCallback(const S32 packet_id, U8 *in_datap, const S32 in_size)
{
//LL_INFOS() << "LLTransferTargetFile::dataCallback" << LL_ENDL;
//LL_INFOS() << "Packet: " << packet_id << LL_ENDL;
LLFileSystem vf(mTempID, mParams.getAssetType(), LLFileSystem::APPEND);
if (mNeedsCreate)
{
mNeedsCreate = false;
}
if (!in_size)
{
return LLTS_OK;
}
if (!vf.write(in_datap, in_size))
{
LL_WARNS() << "Failure in LLTransferTargetVFile::dataCallback!" << LL_ENDL;
return LLTS_ERROR;
}
return LLTS_OK;
}
void LLTransferTargetVFile::completionCallback(const LLTSCode status)
{
//LL_INFOS() << "LLTransferTargetVFile::completionCallback" << LL_ENDL;
if (!gAssetStorage)
{
LL_WARNS() << "Aborting vfile transfer after asset storage shut down!" << LL_ENDL;
return;
}
// Still need to gracefully handle error conditions.
S32 err_code = 0;
switch (status)
{
case LLTS_DONE:
if (!mNeedsCreate)
{
LLFileSystem file(mTempID, mParams.getAssetType(), LLFileSystem::WRITE);
if (!file.rename(mParams.getAssetID(), mParams.getAssetType()))
{
LL_ERRS() << "LLTransferTargetVFile: rename failed" << LL_ENDL;
}
}
err_code = LL_ERR_NOERR;
LL_DEBUGS() << "LLTransferTargetVFile::completionCallback for "
<< mParams.getAssetID() << ","
<< LLAssetType::lookup(mParams.getAssetType())
<< " with temp id " << mTempID << LL_ENDL;
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.
LL_WARNS() << "Aborting vfile transfer for " << mParams.getAssetID() << LL_ENDL;
LLFileSystem vf(mTempID, mParams.getAssetType(), LLFileSystem::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.mRequestDatap)
{
if (mParams.mCompleteCallback)
{
mParams.mCompleteCallback(err_code,
mParams.getAssetID(),
mParams.getAssetType(),
mParams.mRequestDatap,
LLExtStat::NONE);
}
delete mParams.mRequestDatap;
mParams.mRequestDatap = NULL;
}
}
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