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/**
* @file llxfer_mem.cpp
* @brief implementation of LLXfer_Mem class for a single xfer
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* 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 "llxfer_mem.h"
#include "lluuid.h"
#include "llerror.h"
#include "llmath.h"
///////////////////////////////////////////////////////////
LLXfer_Mem::LLXfer_Mem ()
: LLXfer(-1)
{
init();
}
///////////////////////////////////////////////////////////
LLXfer_Mem::~LLXfer_Mem ()
{
cleanup();
}
///////////////////////////////////////////////////////////
void LLXfer_Mem::init ()
{
mRemoteFilename.clear();
mRemotePath = LL_PATH_NONE;
mDeleteRemoteOnCompletion = false;
}
///////////////////////////////////////////////////////////
void LLXfer_Mem::cleanup ()
{
LLXfer::cleanup();
}
///////////////////////////////////////////////////////////
void LLXfer_Mem::setXferSize (S32 xfer_size)
{
mXferSize = xfer_size;
delete[] mBuffer;
mBuffer = new char[xfer_size];
mBufferLength = 0;
mBufferStartOffset = 0;
mBufferContainsEOF = true;
// cout << "starting transfer of size: " << xfer_size << endl;
}
///////////////////////////////////////////////////////////
S32 LLXfer_Mem::startSend (U64 xfer_id, const LLHost &remote_host)
{
S32 retval = LL_ERR_NOERR; // presume success
if (mXferSize <= 0)
{
return LL_ERR_FILE_EMPTY;
}
mRemoteHost = remote_host;
mID = xfer_id;
mPacketNum = -1;
// cout << "Sending file: " << getFileName() << endl;
mStatus = e_LL_XFER_PENDING;
return (retval);
}
///////////////////////////////////////////////////////////
S32 LLXfer_Mem::processEOF()
{
S32 retval = 0;
mStatus = e_LL_XFER_COMPLETE;
LL_INFOS() << "xfer complete: " << getFileName() << LL_ENDL;
if (mCallback)
{
mCallback((void *)mBuffer,mBufferLength,mCallbackDataHandle,mCallbackResult, LLExtStat::NONE);
}
return(retval);
}
///////////////////////////////////////////////////////////
S32 LLXfer_Mem::initializeRequest(U64 xfer_id,
const std::string& remote_filename,
ELLPath remote_path,
const LLHost& remote_host,
bool delete_remote_on_completion,
void (*callback)(void*,S32,void**,S32,LLExtStat),
void** user_data)
{
S32 retval = 0; // presume success
mRemoteHost = remote_host;
// create a temp filename string using a GUID
mID = xfer_id;
mCallback = callback;
mCallbackDataHandle = user_data;
mCallbackResult = LL_ERR_NOERR;
mRemoteFilename = remote_filename;
mRemotePath = remote_path;
mDeleteRemoteOnCompletion = delete_remote_on_completion;
LL_INFOS() << "Requesting file: " << remote_filename << LL_ENDL;
delete [] mBuffer;
mBuffer = NULL;
mBufferLength = 0;
mPacketNum = 0;
mStatus = e_LL_XFER_PENDING;
return retval;
}
//////////////////////////////////////////////////////////
S32 LLXfer_Mem::startDownload()
{
S32 retval = 0; // presume success
gMessageSystem->newMessageFast(_PREHASH_RequestXfer);
gMessageSystem->nextBlockFast(_PREHASH_XferID);
gMessageSystem->addU64Fast(_PREHASH_ID, mID);
gMessageSystem->addStringFast(_PREHASH_Filename, mRemoteFilename);
gMessageSystem->addU8("FilePath", (U8) mRemotePath);
gMessageSystem->addBOOL("DeleteOnCompletion", mDeleteRemoteOnCompletion);
gMessageSystem->addBOOL("UseBigPackets", mChunkSize == LL_XFER_LARGE_PAYLOAD);
gMessageSystem->addUUIDFast(_PREHASH_VFileID, LLUUID::null);
gMessageSystem->addS16Fast(_PREHASH_VFileType, -1);
gMessageSystem->sendReliable(mRemoteHost);
mStatus = e_LL_XFER_IN_PROGRESS;
return (retval);
}
//////////////////////////////////////////////////////////
U32 LLXfer_Mem::getXferTypeTag()
{
return LLXfer::XFER_MEM;
}
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