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/**
* @file lltransfertargetfile.cpp
* @brief Transfer system for receiving a file.
*
* $LicenseInfo:firstyear=2006&license=viewergpl$
*
* 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 "lltransfertargetfile.h"
#include "llerror.h"
LLTransferTargetFile::LLTransferTargetFile(
const LLUUID& uuid,
LLTransferSourceType src_type) :
LLTransferTarget(LLTTT_FILE, uuid, src_type),
mFP(NULL)
{
}
LLTransferTargetFile::~LLTransferTargetFile()
{
if (mFP)
{
llerrs << "LLTransferTargetFile::~LLTransferTargetFile - Should have been cleaned up in completion callback" << llendl;
fclose(mFP);
mFP = NULL;
}
}
// virtual
bool LLTransferTargetFile::unpackParams(LLDataPacker& dp)
{
// we can safely ignore this call
return true;
}
void LLTransferTargetFile::applyParams(const LLTransferTargetParams ¶ms)
{
if (params.getType() != mType)
{
llwarns << "Target parameter type doesn't match!" << llendl;
return;
}
mParams = (LLTransferTargetParamsFile &)params;
}
LLTSCode LLTransferTargetFile::dataCallback(const S32 packet_id, U8 *in_datap, const S32 in_size)
{
//llinfos << "LLTransferTargetFile::dataCallback" << llendl;
//llinfos << "Packet: " << packet_id << llendl;
if (!mFP)
{
mFP = LLFile::fopen(mParams.mFilename, "wb"); /* Flawfinder: ignore */
if (!mFP)
{
llwarns << "Failure opening " << mParams.mFilename << " for write by LLTransferTargetFile" << llendl;
return LLTS_ERROR;
}
}
if (!in_size)
{
return LLTS_OK;
}
S32 count = (S32)fwrite(in_datap, 1, in_size, mFP);
if (count != in_size)
{
llwarns << "Failure in LLTransferTargetFile::dataCallback!" << llendl;
return LLTS_ERROR;
}
return LLTS_OK;
}
void LLTransferTargetFile::completionCallback(const LLTSCode status)
{
llinfos << "LLTransferTargetFile::completionCallback" << llendl;
if (mFP)
{
fclose(mFP);
}
// Still need to gracefully handle error conditions.
switch (status)
{
case LLTS_DONE:
break;
case LLTS_ABORT:
case LLTS_ERROR:
// We're aborting this transfer, we don't want to keep this file.
llwarns << "Aborting file transfer for " << mParams.mFilename << llendl;
if (mFP)
{
// Only need to remove file if we successfully opened it.
LLFile::remove(mParams.mFilename);
}
default:
break;
}
mFP = NULL;
if (mParams.mCompleteCallback)
{
mParams.mCompleteCallback(status, mParams.mUserData);
}
}
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