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/**
* @file llxfer_mem.cpp
* @brief implementation of LLXfer_Mem class for a single xfer
*
* Copyright (c) 2001-2007, Linden Research, Inc.
*
* 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://secondlife.com/developers/opensource/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://secondlife.com/developers/opensource/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.
*/
#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 ()
{
free();
}
///////////////////////////////////////////////////////////
void LLXfer_Mem::init ()
{
mRemoteFilename[0] = '\0';
mRemotePath = LL_PATH_NONE;
mDeleteRemoteOnCompletion = FALSE;
}
///////////////////////////////////////////////////////////
void LLXfer_Mem::free ()
{
LLXfer::free();
}
///////////////////////////////////////////////////////////
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;
}
///////////////////////////////////////////////////////////
U64 LLXfer_Mem::registerXfer(U64 xfer_id, const void *datap, const S32 length)
{
mID = xfer_id;
if (datap)
{
setXferSize(length);
if (mBuffer)
{
memcpy(mBuffer,datap,length); /* Flawfinder : ignore */
mBufferLength = length;
}
else
{
xfer_id = 0;
}
}
mStatus = e_LL_XFER_REGISTERED;
return (xfer_id);
}
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: " << getName() << endl;
mStatus = e_LL_XFER_PENDING;
return (retval);
}
///////////////////////////////////////////////////////////
S32 LLXfer_Mem::processEOF()
{
S32 retval = 0;
mStatus = e_LL_XFER_COMPLETE;
llinfos << "xfer complete: " << getName() << llendl;
if (mCallback)
{
mCallback((void *)mBuffer,mBufferLength,mCallbackDataHandle,mCallbackResult);
}
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),
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;
strncpy(mRemoteFilename, remote_filename.c_str(), LL_MAX_PATH); /* Flawfinder : ignore */
mRemotePath = remote_path;
mDeleteRemoteOnCompletion = delete_remote_on_completion;
llinfos << "Requesting file: " << remote_filename << llendl;
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", BOOL(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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