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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "backends/cloud/folderdownloadrequest.h"
#include "backends/cloud/downloadrequest.h"
#include "backends/cloud/id/iddownloadrequest.h"
#include "common/debug.h"
#include "gui/downloaddialog.h"
#include <backends/networking/curl/connectionmanager.h>
namespace Cloud {
FolderDownloadRequest::FolderDownloadRequest(Storage *storage, Storage::FileArrayCallback callback, Networking::ErrorCallback ecb, Common::String remoteDirectoryPath, Common::String localDirectoryPath, bool recursive):
Request(nullptr, ecb), CommandSender(nullptr), _storage(storage), _fileArrayCallback(callback),
_remoteDirectoryPath(remoteDirectoryPath), _localDirectoryPath(localDirectoryPath), _recursive(recursive),
_workingRequest(nullptr), _ignoreCallback(false), _totalFiles(0) {
start();
}
FolderDownloadRequest::~FolderDownloadRequest() {
sendCommand(GUI::kDownloadEndedCmd, 0);
_ignoreCallback = true;
if (_workingRequest)
_workingRequest->finish();
delete _fileArrayCallback;
}
void FolderDownloadRequest::start() {
//cleanup
_ignoreCallback = true;
if (_workingRequest)
_workingRequest->finish();
_currentFile = StorageFile();
_pendingFiles.clear();
_failedFiles.clear();
_ignoreCallback = false;
_totalFiles = 0;
_downloadedBytes = _totalBytes = _wasDownloadedBytes = _currentDownloadSpeed = 0;
//list directory first
_workingRequest = _storage->listDirectory(
_remoteDirectoryPath,
new Common::Callback<FolderDownloadRequest, Storage::ListDirectoryResponse>(this, &FolderDownloadRequest::directoryListedCallback),
new Common::Callback<FolderDownloadRequest, Networking::ErrorResponse>(this, &FolderDownloadRequest::directoryListedErrorCallback),
_recursive
);
}
void FolderDownloadRequest::directoryListedCallback(Storage::ListDirectoryResponse response) {
_workingRequest = nullptr;
if (_ignoreCallback)
return;
_pendingFiles = response.value;
// remove all directories
// non-empty directories would be created by DumpFile, and empty ones are just ignored
for (Common::Array<StorageFile>::iterator i = _pendingFiles.begin(); i != _pendingFiles.end();)
if (i->isDirectory())
_pendingFiles.erase(i);
else {
_totalBytes += i->size();
++i;
}
_totalFiles = _pendingFiles.size();
downloadNextFile();
}
void FolderDownloadRequest::directoryListedErrorCallback(Networking::ErrorResponse error) {
_workingRequest = nullptr;
if (_ignoreCallback)
return;
finishError(error);
}
void FolderDownloadRequest::fileDownloadedCallback(Storage::BoolResponse response) {
_workingRequest = nullptr;
if (_ignoreCallback)
return;
if (!response.value) _failedFiles.push_back(_currentFile);
_downloadedBytes += _currentFile.size();
downloadNextFile();
}
void FolderDownloadRequest::fileDownloadedErrorCallback(Networking::ErrorResponse error) {
_workingRequest = nullptr;
if (_ignoreCallback)
return;
fileDownloadedCallback(Storage::BoolResponse(error.request, false));
}
void FolderDownloadRequest::downloadNextFile() {
do {
if (_pendingFiles.empty()) {
sendCommand(GUI::kDownloadEndedCmd, 0);
finishDownload(_failedFiles);
return;
}
_currentFile = _pendingFiles.back();
_pendingFiles.pop_back();
} while (_currentFile.isDirectory()); // directories are actually removed earlier, in the directoryListedCallback()
sendCommand(GUI::kDownloadProgressCmd, (int)(getProgress() * 100));
Common::String remotePath = _currentFile.path();
Common::String localPath = remotePath;
if (_remoteDirectoryPath == "" || remotePath.hasPrefix(_remoteDirectoryPath)) {
localPath.erase(0, _remoteDirectoryPath.size());
if (_remoteDirectoryPath != "" && (_remoteDirectoryPath.lastChar() != '/' && _remoteDirectoryPath.lastChar() != '\\'))
localPath.erase(0, 1);
} else {
warning("FolderDownloadRequest: Can't process the following paths:");
warning("remote directory: %s", _remoteDirectoryPath.c_str());
warning("remote file under that directory: %s", remotePath.c_str());
}
if (_localDirectoryPath != "") {
if (_localDirectoryPath.lastChar() == '/' || _localDirectoryPath.lastChar() == '\\')
localPath = _localDirectoryPath + localPath;
else
localPath = _localDirectoryPath + "/" + localPath;
}
debug(9, "FolderDownloadRequest: %s -> %s", remotePath.c_str(), localPath.c_str());
_workingRequest = _storage->downloadById(
_currentFile.id(), localPath,
new Common::Callback<FolderDownloadRequest, Storage::BoolResponse>(this, &FolderDownloadRequest::fileDownloadedCallback),
new Common::Callback<FolderDownloadRequest, Networking::ErrorResponse>(this, &FolderDownloadRequest::fileDownloadedErrorCallback)
);
}
void FolderDownloadRequest::handle() {
uint32 microsecondsPassed = Networking::ConnectionManager::getCloudRequestsPeriodInMicroseconds();
uint64 currentDownloadedBytes = getDownloadedBytes();
uint64 downloadedThisPeriod = currentDownloadedBytes - _wasDownloadedBytes;
_currentDownloadSpeed = downloadedThisPeriod * (1000000L / microsecondsPassed);
_wasDownloadedBytes = currentDownloadedBytes;
}
void FolderDownloadRequest::restart() { start(); }
void FolderDownloadRequest::finishDownload(Common::Array<StorageFile> &files) {
Request::finishSuccess();
if (_fileArrayCallback)
(*_fileArrayCallback)(Storage::FileArrayResponse(this, files));
}
double FolderDownloadRequest::getProgress() const {
if (_totalFiles == 0 || _totalBytes == 0)
return 0;
return (double)getDownloadedBytes() / (double)getTotalBytesToDownload();
}
uint64 FolderDownloadRequest::getDownloadedBytes() const {
if (_totalFiles == 0)
return 0;
double currentFileProgress = 0;
DownloadRequest *downloadRequest = dynamic_cast<DownloadRequest *>(_workingRequest);
if (downloadRequest != nullptr) {
currentFileProgress = downloadRequest->getProgress();
} else {
Id::IdDownloadRequest *idDownloadRequest = dynamic_cast<Id::IdDownloadRequest *>(_workingRequest);
if (idDownloadRequest != nullptr)
currentFileProgress = idDownloadRequest->getProgress();
}
return _downloadedBytes + (uint64)(currentFileProgress * _currentFile.size());
}
uint64 FolderDownloadRequest::getTotalBytesToDownload() const {
return _totalBytes;
}
uint64 FolderDownloadRequest::getDownloadSpeed() const {
return _currentDownloadSpeed;
}
} // End of namespace Cloud
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