132 lines
3.2 KiB
C++
132 lines
3.2 KiB
C++
/**
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* @file lltransfertargetfile.cpp
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* @brief Transfer system for receiving a file.
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*
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* $LicenseInfo:firstyear=2006&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#include "linden_common.h"
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#include "lltransfertargetfile.h"
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#include "llerror.h"
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LLTransferTargetFile::LLTransferTargetFile(
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const LLUUID& uuid,
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LLTransferSourceType src_type) :
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LLTransferTarget(LLTTT_FILE, uuid, src_type),
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mFP(NULL)
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{
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}
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LLTransferTargetFile::~LLTransferTargetFile()
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{
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if (mFP)
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{
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llerrs << "LLTransferTargetFile::~LLTransferTargetFile - Should have been cleaned up in completion callback" << llendl;
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fclose(mFP);
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mFP = NULL;
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}
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}
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// virtual
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bool LLTransferTargetFile::unpackParams(LLDataPacker& dp)
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{
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// we can safely ignore this call
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return true;
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}
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void LLTransferTargetFile::applyParams(const LLTransferTargetParams ¶ms)
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{
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if (params.getType() != mType)
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{
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llwarns << "Target parameter type doesn't match!" << llendl;
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return;
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}
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mParams = (LLTransferTargetParamsFile &)params;
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}
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LLTSCode LLTransferTargetFile::dataCallback(const S32 packet_id, U8 *in_datap, const S32 in_size)
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{
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//llinfos << "LLTransferTargetFile::dataCallback" << llendl;
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//llinfos << "Packet: " << packet_id << llendl;
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if (!mFP)
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{
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mFP = LLFile::fopen(mParams.mFilename, "wb"); /* Flawfinder: ignore */
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if (!mFP)
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{
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llwarns << "Failure opening " << mParams.mFilename << " for write by LLTransferTargetFile" << llendl;
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return LLTS_ERROR;
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}
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}
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if (!in_size)
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{
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return LLTS_OK;
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}
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S32 count = (S32)fwrite(in_datap, 1, in_size, mFP);
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if (count != in_size)
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{
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llwarns << "Failure in LLTransferTargetFile::dataCallback!" << llendl;
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return LLTS_ERROR;
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}
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return LLTS_OK;
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}
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void LLTransferTargetFile::completionCallback(const LLTSCode status)
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{
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llinfos << "LLTransferTargetFile::completionCallback" << llendl;
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if (mFP)
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{
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fclose(mFP);
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}
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// Still need to gracefully handle error conditions.
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switch (status)
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{
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case LLTS_DONE:
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break;
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case LLTS_ABORT:
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case LLTS_ERROR:
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// We're aborting this transfer, we don't want to keep this file.
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llwarns << "Aborting file transfer for " << mParams.mFilename << llendl;
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if (mFP)
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{
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// Only need to remove file if we successfully opened it.
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LLFile::remove(mParams.mFilename);
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}
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default:
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break;
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}
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mFP = NULL;
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if (mParams.mCompleteCallback)
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{
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mParams.mCompleteCallback(status, mParams.mUserData);
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}
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}
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