mirror of
https://github.com/libretro/scummvm.git
synced 2025-04-09 18:21:38 +00:00
f4547f44df
Can be used with Callback<T> (means it's still type safe). It's used to pass not only Request id to user's callback, but also a value user wanted. void *data field is removed from RequestInfo.
90 lines
3.1 KiB
C++
90 lines
3.1 KiB
C++
/* 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/downloadrequest.h"
|
|
#include "backends/networking/curl/connectionmanager.h"
|
|
#include "common/debug.h"
|
|
#include "common/textconsole.h"
|
|
|
|
namespace Cloud {
|
|
|
|
DownloadRequest::DownloadRequest(Storage::BoolCallback callback, Networking::NetworkReadStream *stream, Common::DumpFile *dumpFile):
|
|
Request(0), _boolCallback(callback), _remoteFileStream(stream), _localFile(dumpFile) {}
|
|
|
|
bool DownloadRequest::handle() {
|
|
if (!_remoteFileStream) {
|
|
warning("DownloadRequest: no stream to read");
|
|
ConnMan.getRequestInfo(_id).state = Networking::FINISHED;
|
|
return true;
|
|
}
|
|
|
|
if (!_localFile) {
|
|
warning("DownloadRequest: no file to write");
|
|
ConnMan.getRequestInfo(_id).state = Networking::FINISHED;
|
|
return true;
|
|
}
|
|
|
|
if (!_localFile->isOpen()) {
|
|
warning("DownloadRequest: failed to open file to write");
|
|
ConnMan.getRequestInfo(_id).state = Networking::FINISHED;
|
|
return true;
|
|
}
|
|
|
|
const int kBufSize = 640 * 1024; //640 KB is enough to everyone?..
|
|
char buf[kBufSize];
|
|
uint32 readBytes = _remoteFileStream->read(buf, kBufSize);
|
|
|
|
if (readBytes != 0)
|
|
if (_localFile->write(buf, readBytes) != readBytes) {
|
|
warning("DownloadRequest: unable to write all received bytes into output file");
|
|
ConnMan.getRequestInfo(_id).state = Networking::FINISHED;
|
|
if (_boolCallback) (*_boolCallback)(Storage::RequestBoolPair(_id, false));
|
|
return true;
|
|
}
|
|
|
|
if (_remoteFileStream->eos()) {
|
|
if (_remoteFileStream->httpResponseCode() != 200) {
|
|
warning("HTTP response code is not 200 OK (it's %ld)", _remoteFileStream->httpResponseCode());
|
|
//TODO: do something about it actually
|
|
}
|
|
|
|
ConnMan.getRequestInfo(_id).state = Networking::FINISHED;
|
|
if (_boolCallback) (*_boolCallback)(Storage::RequestBoolPair(_id, _remoteFileStream->httpResponseCode() == 200));
|
|
|
|
_localFile->close(); //yes, I know it's closed automatically in ~DumpFile()
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void DownloadRequest::restart() {
|
|
//this request doesn't know anything about the _remoteFileStream it's reading
|
|
//thus, it can't restart it
|
|
warning("DownloadRequest: cannot be restarted");
|
|
ConnMan.getRequestInfo(_id).state = Networking::FINISHED;
|
|
if (_boolCallback) (*_boolCallback)(Storage::RequestBoolPair(_id, false));
|
|
//TODO: fix that
|
|
}
|
|
|
|
} //end of namespace Cloud
|