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/**
* @file llupdatedownloader.cpp
*
* $LicenseInfo:firstyear=2010&license=viewerlgpl$
* 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 "lldir.h"
#include "llfile.h"
#include "llsd.h"
#include "llsdserialize.h"
#include "llthread.h"
#include "llupdatedownloader.h"
class LLUpdateDownloader::Implementation:
public LLThread
{
public:
Implementation(LLUpdateDownloader::Client & client);
void cancel(void);
void download(LLURI const & uri);
bool isDownloading(void);
private:
static const char * sSecondLifeUpdateRecord;
LLUpdateDownloader::Client & mClient;
std::string mDownloadRecordPath;
void resumeDownloading(LLSD const & downloadData);
void run(void);
bool shouldResumeOngoingDownload(LLURI const & uri, LLSD & downloadData);
void startDownloading(LLURI const & uri);
};
// LLUpdateDownloader
//-----------------------------------------------------------------------------
LLUpdateDownloader::LLUpdateDownloader(Client & client):
mImplementation(new LLUpdateDownloader::Implementation(client))
{
; // No op.
}
void LLUpdateDownloader::cancel(void)
{
mImplementation->cancel();
}
void LLUpdateDownloader::download(LLURI const & uri)
{
mImplementation->download(uri);
}
bool LLUpdateDownloader::isDownloading(void)
{
return mImplementation->isDownloading();
}
// LLUpdateDownloader::Implementation
//-----------------------------------------------------------------------------
const char * LLUpdateDownloader::Implementation::sSecondLifeUpdateRecord =
"SecondLifeUpdateDownload.xml";
LLUpdateDownloader::Implementation::Implementation(LLUpdateDownloader::Client & client):
LLThread("LLUpdateDownloader"),
mClient(client),
mDownloadRecordPath(gDirUtilp->getExpandedFilename(LL_PATH_LOGS, sSecondLifeUpdateRecord))
{
; // No op.
}
void LLUpdateDownloader::Implementation::cancel(void)
{
}
void LLUpdateDownloader::Implementation::download(LLURI const & uri)
{
LLSD downloadData;
if(shouldResumeOngoingDownload(uri, downloadData)){
} else {
}
}
bool LLUpdateDownloader::Implementation::isDownloading(void)
{
return false;
}
void resumeDownloading(LLSD const & downloadData)
{
}
bool LLUpdateDownloader::Implementation::shouldResumeOngoingDownload(LLURI const & uri, LLSD & downloadData)
{
if(!LLFile::isfile(mDownloadRecordPath)) return false;
llifstream dataStream(mDownloadRecordPath);
LLSDSerialize parser;
parser.fromXMLDocument(downloadData, dataStream);
if(downloadData["url"].asString() != uri.asString()) return false;
std::string downloadedFilePath = downloadData["path"].asString();
if(LLFile::isfile(downloadedFilePath)) {
llstat fileStatus;
LLFile::stat(downloadedFilePath, &fileStatus);
downloadData["bytes_downloaded"] = LLSD(LLSD::Integer(fileStatus.st_size));
return true;
} else {
return false;
}
return true;
}
void LLUpdateDownloader::Implementation::startDownloading(LLURI const & uri)
{
LLSD downloadData;
downloadData["url"] = uri.asString();
LLSD path = uri.pathArray();
std::string fileName = path[path.size() - 1].asString();
std::string filePath = gDirUtilp->getExpandedFilename(LL_PATH_TEMP, fileName);
llofstream dataStream(mDownloadRecordPath);
LLSDSerialize parser;
parser.toPrettyXML(downloadData, dataStream);
llofstream downloadStream(filePath);
}
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