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/**
* @file lltransfertargetvfile.cpp
* @brief Transfer system for receiving a vfile.
*
* Copyright (c) 2006-$CurrentYear$, Linden Research, Inc.
* $License$
*/
#include "linden_common.h"
#include "lltransfertargetvfile.h"
#include "llerror.h"
#include "llvfile.h"
//static
std::list<LLTransferTargetParamsVFile*> LLTransferTargetVFile::sCallbackQueue;
//static
void LLTransferTargetVFile::updateQueue(bool shutdown)
{
for(std::list<LLTransferTargetParamsVFile*>::iterator iter = sCallbackQueue.begin();
iter != sCallbackQueue.end(); )
{
std::list<LLTransferTargetParamsVFile*>::iterator curiter = iter++;
LLTransferTargetParamsVFile* params = *curiter;
LLVFSThread::status_t s = LLVFile::getVFSThread()->getRequestStatus(params->mHandle);
if (s == LLVFSThread::STATUS_COMPLETE || s == LLVFSThread::STATUS_EXPIRED)
{
params->mCompleteCallback(params->mErrCode, params->mUserDatap);
delete params;
iter = sCallbackQueue.erase(curiter);
}
else if (shutdown)
{
delete params;
iter = sCallbackQueue.erase(curiter);
}
}
}
LLTransferTargetParamsVFile::LLTransferTargetParamsVFile() :
LLTransferTargetParams(LLTTT_VFILE),
mAssetType(LLAssetType::AT_NONE),
mCompleteCallback(NULL),
mUserDatap(NULL),
mErrCode(0),
mHandle(LLVFSThread::nullHandle())
{
}
void LLTransferTargetParamsVFile::setAsset(const LLUUID &asset_id, const LLAssetType::EType asset_type)
{
mAssetID = asset_id;
mAssetType = asset_type;
}
void LLTransferTargetParamsVFile::setCallback(LLTTVFCompleteCallback cb, void *user_data)
{
mCompleteCallback = cb;
mUserDatap = user_data;
}
LLTransferTargetVFile::LLTransferTargetVFile(const LLUUID &uuid) :
LLTransferTarget(LLTTT_VFILE, uuid),
mNeedsCreate(TRUE)
{
mTempID.generate();
}
LLTransferTargetVFile::~LLTransferTargetVFile()
{
}
void LLTransferTargetVFile::applyParams(const LLTransferTargetParams ¶ms)
{
if (params.getType() != mType)
{
llwarns << "Target parameter type doesn't match!" << llendl;
return;
}
mParams = (LLTransferTargetParamsVFile &)params;
}
LLTSCode LLTransferTargetVFile::dataCallback(const S32 packet_id, U8 *in_datap, const S32 in_size)
{
//llinfos << "LLTransferTargetFile::dataCallback" << llendl;
//llinfos << "Packet: " << packet_id << llendl;
LLVFile vf(gAssetStorage->mVFS, mTempID, mParams.getAssetType(), LLVFile::APPEND);
if (mNeedsCreate)
{
vf.setMaxSize(mSize);
mNeedsCreate = FALSE;
}
if (!in_size)
{
return LLTS_OK;
}
if (!vf.write(in_datap, in_size))
{
llwarns << "Failure in LLTransferTargetVFile::dataCallback!" << llendl;
return LLTS_ERROR;
}
return LLTS_OK;
}
void LLTransferTargetVFile::completionCallback(const LLTSCode status)
{
//llinfos << "LLTransferTargetVFile::completionCallback" << llendl;
if (!gAssetStorage)
{
llwarns << "Aborting vfile transfer after asset storage shut down!" << llendl;
return;
}
LLVFSThread::handle_t handle = LLVFSThread::nullHandle();
// Still need to gracefully handle error conditions.
S32 err_code = 0;
switch (status)
{
case LLTS_DONE:
if (!mNeedsCreate)
{
handle = LLVFile::getVFSThread()->rename(gAssetStorage->mVFS,
mTempID, mParams.getAssetType(),
mParams.getAssetID(), mParams.getAssetType(),
LLVFSThread::AUTO_DELETE);
}
err_code = LL_ERR_NOERR;
// llinfos << "Successful vfile transfer for " << mParams.getAssetID() << llendl;
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.
llwarns << "Aborting vfile transfer for " << mParams.getAssetID() << llendl;
LLVFile vf(gAssetStorage->mVFS, mTempID, mParams.getAssetType(), LLVFile::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.mCompleteCallback)
{
if (handle != LLVFSThread::nullHandle())
{
LLTransferTargetParamsVFile* params = new LLTransferTargetParamsVFile(mParams);
params->mErrCode = err_code;
params->mHandle = handle;
sCallbackQueue.push_back(params);
}
else
{
mParams.mCompleteCallback(err_code, mParams.mUserDatap);
}
}
}
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