tdesktop/Telegram/SourceFiles/fileuploader.h

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/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org
Telegram Desktop 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 3 of the License, or
(at your option) any later version.
It 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.
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In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
*/
#pragma once
#include "localimageloader.h"
class FileUploader : public QObject, public RPCSender {
Q_OBJECT
public:
FileUploader();
void uploadMedia(const FullMsgId &msgId, const ReadyLocalMedia &image);
void upload(const FullMsgId &msgId, const FileLoadResultPtr &file);
int32 currentOffset(const FullMsgId &msgId) const; // -1 means file not found
int32 fullSize(const FullMsgId &msgId) const;
void cancel(const FullMsgId &msgId);
void pause(const FullMsgId &msgId);
void confirm(const FullMsgId &msgId);
void clear();
public slots:
void unpause();
void sendNext();
void killSessions();
signals:
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void photoReady(const FullMsgId &msgId, bool silent, const MTPInputFile &file);
void documentReady(const FullMsgId &msgId, bool silent, const MTPInputFile &file);
void thumbDocumentReady(const FullMsgId &msgId, bool silent, const MTPInputFile &file, const MTPInputFile &thumb);
void photoProgress(const FullMsgId &msgId);
void documentProgress(const FullMsgId &msgId);
void photoFailed(const FullMsgId &msgId);
void documentFailed(const FullMsgId &msgId);
private:
struct File {
File(const ReadyLocalMedia &media) : media(media), docSentParts(0) {
partsCount = media.parts.size();
if (type() == PrepareDocument || type() == PrepareAudio) {
setDocSize(media.file.isEmpty() ? media.data.size() : media.filesize);
} else {
docSize = docPartSize = docPartsCount = 0;
}
}
File(const FileLoadResultPtr &file) : file(file), docSentParts(0) {
partsCount = (type() == PreparePhoto) ? file->fileparts.size() : file->thumbparts.size();
if (type() == PrepareDocument || type() == PrepareAudio) {
setDocSize(file->filesize);
} else {
docSize = docPartSize = docPartsCount = 0;
}
}
void setDocSize(int32 size) {
docSize = size;
if (docSize >= 1024 * 1024 || !setPartSize(DocumentUploadPartSize0)) {
if (docSize > 32 * 1024 * 1024 || !setPartSize(DocumentUploadPartSize1)) {
if (!setPartSize(DocumentUploadPartSize2)) {
if (!setPartSize(DocumentUploadPartSize3)) {
if (!setPartSize(DocumentUploadPartSize4)) {
LOG(("Upload Error: bad doc size: %1").arg(docSize));
}
}
}
}
}
}
bool setPartSize(uint32 partSize) {
docPartSize = partSize;
docPartsCount = (docSize / docPartSize) + ((docSize % docPartSize) ? 1 : 0);
return (docPartsCount <= DocumentMaxPartsCount);
}
FileLoadResultPtr file;
ReadyLocalMedia media;
int32 partsCount;
mutable int32 fileSentSize;
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uint64 id() const {
return file ? file->id : media.id;
}
PrepareMediaType type() const {
return file ? file->type : media.type;
}
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uint64 thumbId() const {
return file ? file->thumbId : media.thumbId;
}
const QString &filename() const {
return file ? file->filename : media.filename;
}
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HashMd5 md5Hash;
QSharedPointer<QFile> docFile;
int32 docSentParts;
int32 docSize;
int32 docPartSize;
int32 docPartsCount;
};
typedef QMap<FullMsgId, File> Queue;
void partLoaded(const MTPBool &result, mtpRequestId requestId);
bool partFailed(const RPCError &err, mtpRequestId requestId);
void currentFailed();
QMap<mtpRequestId, QByteArray> requestsSent;
QMap<mtpRequestId, int32> docRequestsSent;
QMap<mtpRequestId, int32> dcMap;
uint32 sentSize;
uint32 sentSizes[MTPUploadSessionsCount];
FullMsgId uploading, _paused;
Queue queue;
Queue uploaded;
QTimer nextTimer, killSessionsTimer;
};