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https://github.com/libretro/scummvm.git
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83b349a033
Well, it takes two API calls instead of one now, but there are no problems with expired token because of it. This commit changes Storage::streamFile() to pass NetworkReadStream * through callback.
101 lines
3.7 KiB
C++
101 lines
3.7 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "backends/cloud/downloadrequest.h"
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#include "backends/networking/curl/connectionmanager.h"
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#include "common/debug.h"
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#include "common/textconsole.h"
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namespace Cloud {
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DownloadRequest::DownloadRequest(Storage *storage, Storage::BoolCallback callback, Common::String remoteFile, Common::DumpFile *dumpFile):
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Request(0), _boolCallback(callback), _remoteFileStream(0), _localFile(dumpFile) {
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storage->streamFile(remoteFile, new Common::Callback<DownloadRequest, Storage::RequestReadStreamPair>(this, &DownloadRequest::streamCallback));
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}
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void DownloadRequest::streamCallback(Storage::RequestReadStreamPair pair) {
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if (!pair.value) {
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warning("DownloadRequest: no ReadStream passed");
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ConnMan.getRequestInfo(_id).state = Networking::FINISHED;
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if (_boolCallback) (*_boolCallback)(Storage::RequestBoolPair(_id, false));
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return;
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}
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_remoteFileStream = (Networking::NetworkReadStream *)pair.value;
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}
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void DownloadRequest::handle() {
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if (!_localFile) {
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warning("DownloadRequest: no file to write");
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ConnMan.getRequestInfo(_id).state = Networking::FINISHED;
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if (_boolCallback) (*_boolCallback)(Storage::RequestBoolPair(_id, false));
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return;
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}
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if (!_localFile->isOpen()) {
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warning("DownloadRequest: failed to open file to write");
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ConnMan.getRequestInfo(_id).state = Networking::FINISHED;
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if (_boolCallback) (*_boolCallback)(Storage::RequestBoolPair(_id, false));
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return;
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}
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if (!_remoteFileStream) {
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//waiting for callback
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return;
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}
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const int kBufSize = 640 * 1024; //640 KB is enough to everyone?..
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char buf[kBufSize];
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uint32 readBytes = _remoteFileStream->read(buf, kBufSize);
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if (readBytes != 0)
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if (_localFile->write(buf, readBytes) != readBytes) {
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warning("DownloadRequest: unable to write all received bytes into output file");
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ConnMan.getRequestInfo(_id).state = Networking::FINISHED;
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if (_boolCallback) (*_boolCallback)(Storage::RequestBoolPair(_id, false));
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return;
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}
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if (_remoteFileStream->eos()) {
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if (_remoteFileStream->httpResponseCode() != 200) {
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warning("HTTP response code is not 200 OK (it's %ld)", _remoteFileStream->httpResponseCode());
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//TODO: do something about it actually
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}
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ConnMan.getRequestInfo(_id).state = Networking::FINISHED;
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if (_boolCallback) (*_boolCallback)(Storage::RequestBoolPair(_id, _remoteFileStream->httpResponseCode() == 200));
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_localFile->close(); //yes, I know it's closed automatically in ~DumpFile()
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}
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}
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void DownloadRequest::restart() {
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//this request doesn't know anything about the _remoteFileStream it's reading
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//thus, it can't restart it
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warning("DownloadRequest: cannot be restarted");
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ConnMan.getRequestInfo(_id).state = Networking::FINISHED;
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if (_boolCallback) (*_boolCallback)(Storage::RequestBoolPair(_id, false));
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//TODO: fix that
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}
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} //end of namespace Cloud
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