1367 lines
39 KiB
C++
1367 lines
39 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "storage/file_download.h"
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#include "data/data_document.h"
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#include "mainwidget.h"
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#include "mainwindow.h"
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#include "messenger.h"
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#include "storage/localstorage.h"
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#include "platform/platform_file_utilities.h"
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#include "auth_session.h"
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#include "core/crash_reports.h"
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namespace Storage {
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Downloader::Downloader()
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: _delayedLoadersDestroyer([this] { _delayedDestroyedLoaders.clear(); }) {
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}
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void Downloader::delayedDestroyLoader(std::unique_ptr<FileLoader> loader) {
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_delayedDestroyedLoaders.push_back(std::move(loader));
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_delayedLoadersDestroyer.call();
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}
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void Downloader::clearPriorities() {
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++_priority;
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}
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void Downloader::requestedAmountIncrement(MTP::DcId dcId, int index, int amount) {
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Expects(index >= 0 && index < MTP::kDownloadSessionsCount);
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auto it = _requestedBytesAmount.find(dcId);
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if (it == _requestedBytesAmount.cend()) {
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it = _requestedBytesAmount.emplace(dcId, RequestedInDc { { 0 } }).first;
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}
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it->second[index] += amount;
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if (it->second[index]) {
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Messenger::Instance().killDownloadSessionsStop(dcId);
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} else {
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Messenger::Instance().killDownloadSessionsStart(dcId);
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}
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}
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int Downloader::chooseDcIndexForRequest(MTP::DcId dcId) const {
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auto result = 0;
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auto it = _requestedBytesAmount.find(dcId);
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if (it != _requestedBytesAmount.cend()) {
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for (auto i = 1; i != MTP::kDownloadSessionsCount; ++i) {
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if (it->second[i] < it->second[result]) {
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result = i;
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}
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}
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}
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return result;
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}
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Downloader::~Downloader() {
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// The file loaders have pointer to downloader and they cancel
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// requests in destructor where they use that pointer, so all
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// of them need to be destroyed before any internal state of Downloader.
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_delayedDestroyedLoaders.clear();
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}
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} // namespace Storage
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namespace {
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constexpr auto kDownloadPhotoPartSize = 64 * 1024; // 64kb for photo
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constexpr auto kDownloadDocumentPartSize = 128 * 1024; // 128kb for document
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constexpr auto kMaxFileQueries = 16; // max 16 file parts downloaded at the same time
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constexpr auto kMaxWebFileQueries = 8; // max 8 http[s] files downloaded at the same time
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constexpr auto kDownloadCdnPartSize = 128 * 1024; // 128kb for cdn requests
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} // namespace
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struct FileLoaderQueue {
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FileLoaderQueue(int queriesLimit) : queriesLimit(queriesLimit) {
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}
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int queriesCount = 0;
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int queriesLimit = 0;
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FileLoader *start = nullptr;
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FileLoader *end = nullptr;
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};
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namespace {
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using LoaderQueues = QMap<int32, FileLoaderQueue>;
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LoaderQueues queues;
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FileLoaderQueue _webQueue(kMaxWebFileQueries);
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QThread *_webLoadThread = nullptr;
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WebLoadManager *_webLoadManager = nullptr;
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WebLoadManager *webLoadManager() {
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return (_webLoadManager && _webLoadManager != FinishedWebLoadManager) ? _webLoadManager : nullptr;
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}
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WebLoadMainManager *_webLoadMainManager = nullptr;
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} // namespace
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FileLoader::FileLoader(const QString &toFile, int32 size, LocationType locationType, LoadToCacheSetting toCache, LoadFromCloudSetting fromCloud, bool autoLoading)
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: _downloader(&Auth().downloader())
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, _autoLoading(autoLoading)
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, _filename(toFile)
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, _file(_filename)
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, _toCache(toCache)
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, _fromCloud(fromCloud)
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, _size(size)
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, _locationType(locationType) {
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Expects(!_filename.isEmpty() || (_size <= Storage::kMaxFileInMemory));
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}
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QByteArray FileLoader::imageFormat(const QSize &shrinkBox) const {
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if (_imageFormat.isEmpty() && _locationType == UnknownFileLocation) {
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readImage(shrinkBox);
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}
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return _imageFormat;
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}
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QPixmap FileLoader::imagePixmap(const QSize &shrinkBox) const {
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if (_imagePixmap.isNull() && _locationType == UnknownFileLocation) {
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readImage(shrinkBox);
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}
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return _imagePixmap;
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}
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void FileLoader::readImage(const QSize &shrinkBox) const {
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auto format = QByteArray();
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auto image = App::readImage(_data, &format, false);
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if (!image.isNull()) {
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if (!shrinkBox.isEmpty() && (image.width() > shrinkBox.width() || image.height() > shrinkBox.height())) {
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_imagePixmap = App::pixmapFromImageInPlace(image.scaled(shrinkBox, Qt::KeepAspectRatio, Qt::SmoothTransformation));
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} else {
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_imagePixmap = App::pixmapFromImageInPlace(std::move(image));
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}
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_imageFormat = format;
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}
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}
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float64 FileLoader::currentProgress() const {
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if (_finished) return 1.;
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if (!fullSize()) return 0.;
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return snap(float64(currentOffset()) / fullSize(), 0., 1.);
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}
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int32 FileLoader::fullSize() const {
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return _size;
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}
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bool FileLoader::setFileName(const QString &fileName) {
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if (_toCache != LoadToCacheAsWell || !_filename.isEmpty()) {
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return fileName.isEmpty() || (fileName == _filename);
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}
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_filename = fileName;
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_file.setFileName(_filename);
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return true;
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}
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void FileLoader::permitLoadFromCloud() {
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_fromCloud = LoadFromCloudOrLocal;
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}
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void FileLoader::loadNext() {
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if (_queue->queriesCount >= _queue->queriesLimit) {
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return;
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}
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for (auto i = _queue->start; i;) {
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if (i->loadPart()) {
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if (_queue->queriesCount >= _queue->queriesLimit) {
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return;
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}
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} else {
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i = i->_next;
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}
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}
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}
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void FileLoader::removeFromQueue() {
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if (!_inQueue) return;
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if (_next) {
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_next->_prev = _prev;
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}
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if (_prev) {
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_prev->_next = _next;
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}
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if (_queue->end == this) {
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_queue->end = _prev;
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}
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if (_queue->start == this) {
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_queue->start = _next;
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}
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_next = _prev = 0;
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_inQueue = false;
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}
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void FileLoader::pause() {
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removeFromQueue();
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_paused = true;
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}
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FileLoader::~FileLoader() {
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if (_localTaskId) {
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Local::cancelTask(_localTaskId);
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}
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removeFromQueue();
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}
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void FileLoader::localLoaded(const StorageImageSaved &result, const QByteArray &imageFormat, const QPixmap &imagePixmap) {
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_localTaskId = 0;
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if (result.data.isEmpty()) {
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_localStatus = LocalFailed;
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start(true);
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return;
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}
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_data = result.data;
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if (!imagePixmap.isNull()) {
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_imageFormat = imageFormat;
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_imagePixmap = imagePixmap;
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}
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_localStatus = LocalLoaded;
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if (!_filename.isEmpty() && _toCache == LoadToCacheAsWell) {
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if (!_fileIsOpen) _fileIsOpen = _file.open(QIODevice::WriteOnly);
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if (!_fileIsOpen) {
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cancel(true);
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return;
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}
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if (_file.write(_data) != qint64(_data.size())) {
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cancel(true);
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return;
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}
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}
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_finished = true;
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if (_fileIsOpen) {
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_file.close();
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_fileIsOpen = false;
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Platform::File::PostprocessDownloaded(QFileInfo(_file).absoluteFilePath());
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}
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_downloader->taskFinished().notify();
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emit progress(this);
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loadNext();
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}
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void FileLoader::start(bool loadFirst, bool prior) {
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if (_paused) {
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_paused = false;
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}
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if (_finished || tryLoadLocal()) return;
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if (_fromCloud == LoadFromLocalOnly) {
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cancel();
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return;
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}
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if (!_filename.isEmpty() && _toCache == LoadToFileOnly && !_fileIsOpen) {
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_fileIsOpen = _file.open(QIODevice::WriteOnly);
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if (!_fileIsOpen) {
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return cancel(true);
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}
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}
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auto currentPriority = _downloader->currentPriority();
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FileLoader *before = 0, *after = 0;
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if (prior) {
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if (_inQueue && _priority == currentPriority) {
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if (loadFirst) {
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if (!_prev) return startLoading(loadFirst, prior);
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before = _queue->start;
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} else {
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if (!_next || _next->_priority < currentPriority) return startLoading(loadFirst, prior);
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after = _next;
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while (after->_next && after->_next->_priority == currentPriority) {
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after = after->_next;
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}
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}
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} else {
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_priority = currentPriority;
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if (loadFirst) {
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if (_inQueue && !_prev) return startLoading(loadFirst, prior);
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before = _queue->start;
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} else {
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if (_inQueue) {
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if (_next && _next->_priority == currentPriority) {
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after = _next;
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} else if (_prev && _prev->_priority < currentPriority) {
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before = _prev;
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while (before->_prev && before->_prev->_priority < currentPriority) {
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before = before->_prev;
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}
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} else {
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return startLoading(loadFirst, prior);
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}
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} else {
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if (_queue->start && _queue->start->_priority == currentPriority) {
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after = _queue->start;
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} else {
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before = _queue->start;
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}
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}
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if (after) {
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while (after->_next && after->_next->_priority == currentPriority) {
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after = after->_next;
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}
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}
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}
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}
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} else {
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if (loadFirst) {
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if (_inQueue && (!_prev || _prev->_priority == currentPriority)) return startLoading(loadFirst, prior);
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before = _prev;
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while (before->_prev && before->_prev->_priority != currentPriority) {
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before = before->_prev;
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}
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} else {
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if (_inQueue && !_next) return startLoading(loadFirst, prior);
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after = _queue->end;
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}
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}
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removeFromQueue();
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_inQueue = true;
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if (!_queue->start) {
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_queue->start = _queue->end = this;
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} else if (before) {
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if (before != _next) {
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_prev = before->_prev;
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_next = before;
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_next->_prev = this;
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if (_prev) {
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_prev->_next = this;
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}
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if (_queue->start->_prev) _queue->start = _queue->start->_prev;
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}
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} else if (after) {
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if (after != _prev) {
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_next = after->_next;
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_prev = after;
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after->_next = this;
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if (_next) {
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_next->_prev = this;
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}
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if (_queue->end->_next) _queue->end = _queue->end->_next;
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}
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} else {
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LOG(("Queue Error: _start && !before && !after"));
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}
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return startLoading(loadFirst, prior);
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}
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void FileLoader::cancel() {
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cancel(false);
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}
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void FileLoader::cancel(bool fail) {
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bool started = currentOffset(true) > 0;
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cancelRequests();
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_cancelled = true;
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_finished = true;
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if (_fileIsOpen) {
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_file.close();
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_fileIsOpen = false;
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_file.remove();
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}
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_data = QByteArray();
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removeFromQueue();
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if (fail) {
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emit failed(this, started);
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} else {
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emit progress(this);
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}
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_filename = QString();
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_file.setFileName(_filename);
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loadNext();
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}
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void FileLoader::startLoading(bool loadFirst, bool prior) {
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if ((_queue->queriesCount >= _queue->queriesLimit && (!loadFirst || !prior)) || _finished) {
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return;
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}
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loadPart();
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}
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mtpFileLoader::mtpFileLoader(const StorageImageLocation *location, int32 size, LoadFromCloudSetting fromCloud, bool autoLoading)
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: FileLoader(QString(), size, UnknownFileLocation, LoadToCacheAsWell, fromCloud, autoLoading)
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, _dcId(location->dc())
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, _location(location) {
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auto shiftedDcId = MTP::downloadDcId(_dcId, 0);
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auto i = queues.find(shiftedDcId);
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if (i == queues.cend()) {
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i = queues.insert(shiftedDcId, FileLoaderQueue(kMaxFileQueries));
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}
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_queue = &i.value();
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}
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mtpFileLoader::mtpFileLoader(int32 dc, uint64 id, uint64 accessHash, int32 version, LocationType type, const QString &to, int32 size, LoadToCacheSetting toCache, LoadFromCloudSetting fromCloud, bool autoLoading)
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: FileLoader(to, size, type, toCache, fromCloud, autoLoading)
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, _dcId(dc)
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, _id(id)
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, _accessHash(accessHash)
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, _version(version) {
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auto shiftedDcId = MTP::downloadDcId(_dcId, 0);
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auto i = queues.find(shiftedDcId);
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if (i == queues.cend()) {
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i = queues.insert(shiftedDcId, FileLoaderQueue(kMaxFileQueries));
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}
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_queue = &i.value();
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}
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mtpFileLoader::mtpFileLoader(const WebFileLocation *location, int32 size, LoadFromCloudSetting fromCloud, bool autoLoading)
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: FileLoader(QString(), size, UnknownFileLocation, LoadToCacheAsWell, fromCloud, autoLoading)
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, _dcId(location->dc())
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, _urlLocation(location) {
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auto shiftedDcId = MTP::downloadDcId(_dcId, 0);
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auto i = queues.find(shiftedDcId);
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if (i == queues.cend()) {
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i = queues.insert(shiftedDcId, FileLoaderQueue(kMaxFileQueries));
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}
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_queue = &i.value();
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}
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int32 mtpFileLoader::currentOffset(bool includeSkipped) const {
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return (_fileIsOpen ? _file.size() : _data.size()) - (includeSkipped ? 0 : _skippedBytes);
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}
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bool mtpFileLoader::loadPart() {
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if (_finished || _lastComplete || (!_sentRequests.empty() && !_size)) {
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return false;
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} else if (_size && _nextRequestOffset >= _size) {
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return false;
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}
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makeRequest(_nextRequestOffset);
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_nextRequestOffset += partSize();
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return true;
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}
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int mtpFileLoader::partSize() const {
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return kDownloadCdnPartSize;
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// Different part sizes are not supported for now :(
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// Because we start downloading with some part size
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// and then we get a cdn-redirect where we support only
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// fixed part size download for hash checking.
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//
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//if (_cdnDcId) {
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// return kDownloadCdnPartSize;
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//} else if (_locationType == UnknownFileLocation) {
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// return kDownloadPhotoPartSize;
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//}
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//return kDownloadDocumentPartSize;
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}
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mtpFileLoader::RequestData mtpFileLoader::prepareRequest(int offset) const {
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auto result = RequestData();
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result.dcId = _cdnDcId ? _cdnDcId : _dcId;
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result.dcIndex = _size ? _downloader->chooseDcIndexForRequest(result.dcId) : 0;
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result.offset = offset;
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return result;
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}
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void mtpFileLoader::makeRequest(int offset) {
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Expects(!_finished);
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auto requestData = prepareRequest(offset);
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auto send = [this, &requestData] {
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auto offset = requestData.offset;
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auto limit = partSize();
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auto shiftedDcId = MTP::downloadDcId(requestData.dcId, requestData.dcIndex);
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if (_cdnDcId) {
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Assert(requestData.dcId == _cdnDcId);
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return MTP::send(MTPupload_GetCdnFile(MTP_bytes(_cdnToken), MTP_int(offset), MTP_int(limit)), rpcDone(&mtpFileLoader::cdnPartLoaded), rpcFail(&mtpFileLoader::cdnPartFailed), shiftedDcId, 50);
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} else if (_urlLocation) {
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Assert(requestData.dcId == _dcId);
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return MTP::send(MTPupload_GetWebFile(MTP_inputWebFileLocation(MTP_bytes(_urlLocation->url()), MTP_long(_urlLocation->accessHash())), MTP_int(offset), MTP_int(limit)), rpcDone(&mtpFileLoader::webPartLoaded), rpcFail(&mtpFileLoader::partFailed), shiftedDcId, 50);
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} else {
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Assert(requestData.dcId == _dcId);
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return MTP::send(MTPupload_GetFile(computeLocation(), MTP_int(offset), MTP_int(limit)), rpcDone(&mtpFileLoader::normalPartLoaded), rpcFail(&mtpFileLoader::partFailed), shiftedDcId, 50);
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}
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};
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placeSentRequest(send(), requestData);
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}
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MTPInputFileLocation mtpFileLoader::computeLocation() const {
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if (_location) {
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return MTP_inputFileLocation(MTP_long(_location->volume()), MTP_int(_location->local()), MTP_long(_location->secret()));
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}
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return MTP_inputDocumentFileLocation(MTP_long(_id), MTP_long(_accessHash), MTP_int(_version));
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}
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void mtpFileLoader::requestMoreCdnFileHashes() {
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Expects(!_finished);
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if (_cdnHashesRequestId || _cdnUncheckedParts.empty()) {
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return;
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}
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auto offset = _cdnUncheckedParts.cbegin()->first;
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auto requestData = RequestData();
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requestData.dcId = _dcId;
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requestData.dcIndex = 0;
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requestData.offset = offset;
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auto shiftedDcId = MTP::downloadDcId(requestData.dcId, requestData.dcIndex);
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auto requestId = _cdnHashesRequestId = MTP::send(
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MTPupload_GetCdnFileHashes(
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MTP_bytes(_cdnToken),
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MTP_int(offset)),
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rpcDone(&mtpFileLoader::getCdnFileHashesDone),
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rpcFail(&mtpFileLoader::cdnPartFailed),
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shiftedDcId);
|
|
placeSentRequest(requestId, requestData);
|
|
}
|
|
|
|
void mtpFileLoader::normalPartLoaded(const MTPupload_File &result, mtpRequestId requestId) {
|
|
Expects(!_finished);
|
|
Expects(result.type() == mtpc_upload_fileCdnRedirect || result.type() == mtpc_upload_file);
|
|
|
|
auto offset = finishSentRequestGetOffset(requestId);
|
|
if (result.type() == mtpc_upload_fileCdnRedirect) {
|
|
return switchToCDN(offset, result.c_upload_fileCdnRedirect());
|
|
}
|
|
auto bytes = gsl::as_bytes(gsl::make_span(result.c_upload_file().vbytes.v));
|
|
return partLoaded(offset, bytes);
|
|
}
|
|
|
|
void mtpFileLoader::webPartLoaded(const MTPupload_WebFile &result, mtpRequestId requestId) {
|
|
Expects(result.type() == mtpc_upload_webFile);
|
|
|
|
auto offset = finishSentRequestGetOffset(requestId);
|
|
auto &webFile = result.c_upload_webFile();
|
|
if (!_size) {
|
|
_size = webFile.vsize.v;
|
|
} else if (webFile.vsize.v != _size) {
|
|
LOG(("MTP Error: Bad size provided by bot for webDocument: %1, real: %2").arg(_size).arg(webFile.vsize.v));
|
|
return cancel(true);
|
|
}
|
|
auto bytes = gsl::as_bytes(gsl::make_span(webFile.vbytes.v));
|
|
return partLoaded(offset, bytes);
|
|
}
|
|
|
|
void mtpFileLoader::cdnPartLoaded(const MTPupload_CdnFile &result, mtpRequestId requestId) {
|
|
Expects(!_finished);
|
|
|
|
auto offset = finishSentRequestGetOffset(requestId);
|
|
if (result.type() == mtpc_upload_cdnFileReuploadNeeded) {
|
|
auto requestData = RequestData();
|
|
requestData.dcId = _dcId;
|
|
requestData.dcIndex = 0;
|
|
requestData.offset = offset;
|
|
auto shiftedDcId = MTP::downloadDcId(requestData.dcId, requestData.dcIndex);
|
|
auto requestId = MTP::send(MTPupload_ReuploadCdnFile(MTP_bytes(_cdnToken), result.c_upload_cdnFileReuploadNeeded().vrequest_token), rpcDone(&mtpFileLoader::reuploadDone), rpcFail(&mtpFileLoader::cdnPartFailed), shiftedDcId);
|
|
placeSentRequest(requestId, requestData);
|
|
return;
|
|
}
|
|
Expects(result.type() == mtpc_upload_cdnFile);
|
|
|
|
auto key = gsl::as_bytes(gsl::make_span(_cdnEncryptionKey));
|
|
auto iv = gsl::as_bytes(gsl::make_span(_cdnEncryptionIV));
|
|
Expects(key.size() == MTP::CTRState::KeySize);
|
|
Expects(iv.size() == MTP::CTRState::IvecSize);
|
|
|
|
auto state = MTP::CTRState();
|
|
auto ivec = gsl::as_writeable_bytes(gsl::make_span(state.ivec));
|
|
std::copy(iv.begin(), iv.end(), ivec.begin());
|
|
|
|
auto counterOffset = static_cast<uint32>(offset) >> 4;
|
|
state.ivec[15] = static_cast<uchar>(counterOffset & 0xFF);
|
|
state.ivec[14] = static_cast<uchar>((counterOffset >> 8) & 0xFF);
|
|
state.ivec[13] = static_cast<uchar>((counterOffset >> 16) & 0xFF);
|
|
state.ivec[12] = static_cast<uchar>((counterOffset >> 24) & 0xFF);
|
|
|
|
auto decryptInPlace = result.c_upload_cdnFile().vbytes.v;
|
|
MTP::aesCtrEncrypt(decryptInPlace.data(), decryptInPlace.size(), key.data(), &state);
|
|
auto bytes = gsl::as_bytes(gsl::make_span(decryptInPlace));
|
|
|
|
switch (checkCdnFileHash(offset, bytes)) {
|
|
case CheckCdnHashResult::NoHash: {
|
|
_cdnUncheckedParts.emplace(offset, decryptInPlace);
|
|
requestMoreCdnFileHashes();
|
|
} return;
|
|
|
|
case CheckCdnHashResult::Invalid: {
|
|
LOG(("API Error: Wrong cdnFileHash for offset %1.").arg(offset));
|
|
cancel(true);
|
|
} return;
|
|
|
|
case CheckCdnHashResult::Good: return partLoaded(offset, bytes);
|
|
}
|
|
Unexpected("Result of checkCdnFileHash()");
|
|
}
|
|
|
|
mtpFileLoader::CheckCdnHashResult mtpFileLoader::checkCdnFileHash(int offset, base::const_byte_span bytes) {
|
|
auto cdnFileHashIt = _cdnFileHashes.find(offset);
|
|
if (cdnFileHashIt == _cdnFileHashes.cend()) {
|
|
return CheckCdnHashResult::NoHash;
|
|
}
|
|
auto realHash = hashSha256(bytes.data(), bytes.size());
|
|
if (base::compare_bytes(gsl::as_bytes(gsl::make_span(realHash)), gsl::as_bytes(gsl::make_span(cdnFileHashIt->second.hash)))) {
|
|
return CheckCdnHashResult::Invalid;
|
|
}
|
|
return CheckCdnHashResult::Good;
|
|
}
|
|
|
|
void mtpFileLoader::reuploadDone(const MTPVector<MTPFileHash> &result, mtpRequestId requestId) {
|
|
auto offset = finishSentRequestGetOffset(requestId);
|
|
addCdnHashes(result.v);
|
|
makeRequest(offset);
|
|
}
|
|
|
|
void mtpFileLoader::getCdnFileHashesDone(const MTPVector<MTPFileHash> &result, mtpRequestId requestId) {
|
|
Expects(!_finished);
|
|
Expects(_cdnHashesRequestId == requestId);
|
|
|
|
_cdnHashesRequestId = 0;
|
|
|
|
const auto offset = finishSentRequestGetOffset(requestId);
|
|
addCdnHashes(result.v);
|
|
auto someMoreChecked = false;
|
|
for (auto i = _cdnUncheckedParts.begin(); i != _cdnUncheckedParts.cend();) {
|
|
const auto uncheckedOffset = i->first;
|
|
const auto uncheckedBytes = gsl::as_bytes(gsl::make_span(i->second));
|
|
|
|
switch (checkCdnFileHash(uncheckedOffset, uncheckedBytes)) {
|
|
case CheckCdnHashResult::NoHash: {
|
|
++i;
|
|
} break;
|
|
|
|
case CheckCdnHashResult::Invalid: {
|
|
LOG(("API Error: Wrong cdnFileHash for offset %1.").arg(offset));
|
|
cancel(true);
|
|
return;
|
|
} break;
|
|
|
|
case CheckCdnHashResult::Good: {
|
|
someMoreChecked = true;
|
|
const auto goodOffset = uncheckedOffset;
|
|
const auto goodBytes = std::move(i->second);
|
|
const auto goodBytesSpan = gsl::make_span(goodBytes);
|
|
const auto weak = QPointer<mtpFileLoader>(this);
|
|
i = _cdnUncheckedParts.erase(i);
|
|
if (!feedPart(goodOffset, gsl::as_bytes(goodBytesSpan))
|
|
|| !weak) {
|
|
return;
|
|
} else if (_finished) {
|
|
emit progress(this);
|
|
loadNext();
|
|
return;
|
|
}
|
|
} break;
|
|
|
|
default: Unexpected("Result of checkCdnFileHash()");
|
|
}
|
|
}
|
|
if (someMoreChecked) {
|
|
emit progress(this);
|
|
loadNext();
|
|
return requestMoreCdnFileHashes();
|
|
}
|
|
LOG(("API Error: Could not find cdnFileHash for offset %1 after getCdnFileHashes request.").arg(offset));
|
|
cancel(true);
|
|
}
|
|
|
|
void mtpFileLoader::placeSentRequest(mtpRequestId requestId, const RequestData &requestData) {
|
|
Expects(!_finished);
|
|
|
|
_downloader->requestedAmountIncrement(requestData.dcId, requestData.dcIndex, partSize());
|
|
++_queue->queriesCount;
|
|
_sentRequests.emplace(requestId, requestData);
|
|
}
|
|
|
|
int mtpFileLoader::finishSentRequestGetOffset(mtpRequestId requestId) {
|
|
auto it = _sentRequests.find(requestId);
|
|
Expects(it != _sentRequests.cend());
|
|
|
|
auto requestData = it->second;
|
|
_downloader->requestedAmountIncrement(requestData.dcId, requestData.dcIndex, -partSize());
|
|
|
|
--_queue->queriesCount;
|
|
_sentRequests.erase(it);
|
|
|
|
return requestData.offset;
|
|
}
|
|
|
|
bool mtpFileLoader::feedPart(int offset, base::const_byte_span bytes) {
|
|
Expects(!_finished);
|
|
|
|
if (bytes.size()) {
|
|
if (_fileIsOpen) {
|
|
auto fsize = _file.size();
|
|
if (offset < fsize) {
|
|
_skippedBytes -= bytes.size();
|
|
} else if (offset > fsize) {
|
|
_skippedBytes += offset - fsize;
|
|
}
|
|
_file.seek(offset);
|
|
if (_file.write(reinterpret_cast<const char*>(bytes.data()), bytes.size()) != qint64(bytes.size())) {
|
|
cancel(true);
|
|
return false;
|
|
}
|
|
} else {
|
|
if (offset > 100 * 1024 * 1024) {
|
|
// Debugging weird out of memory crashes.
|
|
auto info = QString("offset: %1, size: %2, cancelled: %3, finished: %4, filename: '%5', tocache: %6, fromcloud: %7, data: %8, fullsize: %9").arg(offset).arg(bytes.size()).arg(Logs::b(_cancelled)).arg(Logs::b(_finished)).arg(_filename).arg(int(_toCache)).arg(int(_fromCloud)).arg(_data.size()).arg(_size);
|
|
info += QString(", locationtype: %1, inqueue: %2, localstatus: %3").arg(int(_locationType)).arg(Logs::b(_inQueue)).arg(int(_localStatus));
|
|
CrashReports::SetAnnotation("DebugInfo", info);
|
|
}
|
|
_data.reserve(offset + bytes.size());
|
|
if (offset > 100 * 1024 * 1024) {
|
|
CrashReports::ClearAnnotation("DebugInfo");
|
|
}
|
|
|
|
if (offset > _data.size()) {
|
|
_skippedBytes += offset - _data.size();
|
|
_data.resize(offset);
|
|
}
|
|
if (offset == _data.size()) {
|
|
_data.append(reinterpret_cast<const char*>(bytes.data()), bytes.size());
|
|
} else {
|
|
_skippedBytes -= bytes.size();
|
|
if (int64(offset + bytes.size()) > _data.size()) {
|
|
_data.resize(offset + bytes.size());
|
|
}
|
|
auto src = bytes;
|
|
auto dst = gsl::make_span(_data).subspan(offset, bytes.size());
|
|
base::copy_bytes(gsl::as_writeable_bytes(dst), src);
|
|
}
|
|
}
|
|
}
|
|
if (!bytes.size() || (bytes.size() % 1024)) { // bad next offset
|
|
_lastComplete = true;
|
|
}
|
|
if (_sentRequests.empty()
|
|
&& _cdnUncheckedParts.empty()
|
|
&& (_lastComplete || (_size && _nextRequestOffset >= _size))) {
|
|
if (!_filename.isEmpty() && (_toCache == LoadToCacheAsWell)) {
|
|
if (!_fileIsOpen) {
|
|
_fileIsOpen = _file.open(QIODevice::WriteOnly);
|
|
}
|
|
if (!_fileIsOpen || _file.write(_data) != qint64(_data.size())) {
|
|
cancel(true);
|
|
return false;
|
|
}
|
|
}
|
|
_finished = true;
|
|
if (_fileIsOpen) {
|
|
_file.close();
|
|
_fileIsOpen = false;
|
|
Platform::File::PostprocessDownloaded(QFileInfo(_file).absoluteFilePath());
|
|
}
|
|
removeFromQueue();
|
|
|
|
if (_localStatus == LocalNotFound || _localStatus == LocalFailed) {
|
|
if (_urlLocation) {
|
|
Local::writeImage(storageKey(*_urlLocation), StorageImageSaved(_data));
|
|
} else if (_locationType != UnknownFileLocation) { // audio, video, document
|
|
auto mkey = mediaKey(_locationType, _dcId, _id, _version);
|
|
if (!_filename.isEmpty()) {
|
|
Local::writeFileLocation(mkey, FileLocation(_filename));
|
|
}
|
|
if (_toCache == LoadToCacheAsWell) {
|
|
if (_locationType == DocumentFileLocation) {
|
|
Local::writeStickerImage(mkey, _data);
|
|
} else if (_locationType == AudioFileLocation) {
|
|
Local::writeAudio(mkey, _data);
|
|
}
|
|
}
|
|
} else {
|
|
Local::writeImage(storageKey(*_location), StorageImageSaved(_data));
|
|
}
|
|
}
|
|
}
|
|
if (_finished) {
|
|
_downloader->taskFinished().notify();
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void mtpFileLoader::partLoaded(int offset, base::const_byte_span bytes) {
|
|
if (feedPart(offset, bytes)) {
|
|
emit progress(this);
|
|
loadNext();
|
|
}
|
|
}
|
|
|
|
bool mtpFileLoader::partFailed(const RPCError &error) {
|
|
if (MTP::isDefaultHandledError(error)) return false;
|
|
|
|
cancel(true);
|
|
return true;
|
|
}
|
|
|
|
bool mtpFileLoader::cdnPartFailed(const RPCError &error, mtpRequestId requestId) {
|
|
if (MTP::isDefaultHandledError(error)) return false;
|
|
|
|
if (requestId == _cdnHashesRequestId) {
|
|
_cdnHashesRequestId = 0;
|
|
}
|
|
if (error.type() == qstr("FILE_TOKEN_INVALID") || error.type() == qstr("REQUEST_TOKEN_INVALID")) {
|
|
auto offset = finishSentRequestGetOffset(requestId);
|
|
changeCDNParams(offset, 0, QByteArray(), QByteArray(), QByteArray(), QVector<MTPFileHash>());
|
|
return true;
|
|
}
|
|
return partFailed(error);
|
|
}
|
|
|
|
void mtpFileLoader::cancelRequests() {
|
|
while (!_sentRequests.empty()) {
|
|
auto requestId = _sentRequests.begin()->first;
|
|
MTP::cancel(requestId);
|
|
finishSentRequestGetOffset(requestId);
|
|
}
|
|
}
|
|
|
|
void mtpFileLoader::switchToCDN(
|
|
int offset,
|
|
const MTPDupload_fileCdnRedirect &redirect) {
|
|
changeCDNParams(
|
|
offset,
|
|
redirect.vdc_id.v,
|
|
redirect.vfile_token.v,
|
|
redirect.vencryption_key.v,
|
|
redirect.vencryption_iv.v,
|
|
redirect.vfile_hashes.v);
|
|
}
|
|
|
|
void mtpFileLoader::addCdnHashes(const QVector<MTPFileHash> &hashes) {
|
|
for_const (auto &hash, hashes) {
|
|
Assert(hash.type() == mtpc_fileHash);
|
|
auto &data = hash.c_fileHash();
|
|
_cdnFileHashes.emplace(
|
|
data.voffset.v,
|
|
CdnFileHash { data.vlimit.v, data.vhash.v });
|
|
}
|
|
}
|
|
|
|
void mtpFileLoader::changeCDNParams(int offset, MTP::DcId dcId, const QByteArray &token, const QByteArray &encryptionKey, const QByteArray &encryptionIV, const QVector<MTPFileHash> &hashes) {
|
|
if (dcId != 0 && (encryptionKey.size() != MTP::CTRState::KeySize || encryptionIV.size() != MTP::CTRState::IvecSize)) {
|
|
LOG(("Message Error: Wrong key (%1) / iv (%2) size in CDN params").arg(encryptionKey.size()).arg(encryptionIV.size()));
|
|
cancel(true);
|
|
return;
|
|
}
|
|
|
|
auto resendAllRequests = (_cdnDcId != dcId
|
|
|| _cdnToken != token
|
|
|| _cdnEncryptionKey != encryptionKey
|
|
|| _cdnEncryptionIV != encryptionIV);
|
|
_cdnDcId = dcId;
|
|
_cdnToken = token;
|
|
_cdnEncryptionKey = encryptionKey;
|
|
_cdnEncryptionIV = encryptionIV;
|
|
addCdnHashes(hashes);
|
|
|
|
if (resendAllRequests && !_sentRequests.empty()) {
|
|
auto resendOffsets = std::vector<int>();
|
|
resendOffsets.reserve(_sentRequests.size());
|
|
while (!_sentRequests.empty()) {
|
|
auto requestId = _sentRequests.begin()->first;
|
|
MTP::cancel(requestId);
|
|
auto resendOffset = finishSentRequestGetOffset(requestId);
|
|
resendOffsets.push_back(resendOffset);
|
|
}
|
|
for (auto resendOffset : resendOffsets) {
|
|
makeRequest(resendOffset);
|
|
}
|
|
}
|
|
makeRequest(offset);
|
|
}
|
|
|
|
bool mtpFileLoader::tryLoadLocal() {
|
|
if (_localStatus == LocalNotFound || _localStatus == LocalLoaded || _localStatus == LocalFailed) {
|
|
return false;
|
|
}
|
|
if (_localStatus == LocalLoading) {
|
|
return true;
|
|
}
|
|
|
|
if (_urlLocation) {
|
|
_localTaskId = Local::startImageLoad(storageKey(*_urlLocation), this);
|
|
} else if (_location) {
|
|
_localTaskId = Local::startImageLoad(storageKey(*_location), this);
|
|
} else {
|
|
if (_toCache == LoadToCacheAsWell) {
|
|
MediaKey mkey = mediaKey(_locationType, _dcId, _id, _version);
|
|
if (_locationType == DocumentFileLocation) {
|
|
_localTaskId = Local::startStickerImageLoad(mkey, this);
|
|
} else if (_locationType == AudioFileLocation) {
|
|
_localTaskId = Local::startAudioLoad(mkey, this);
|
|
}
|
|
}
|
|
}
|
|
|
|
emit progress(this);
|
|
|
|
if (_localStatus != LocalNotTried) {
|
|
return _finished;
|
|
} else if (_localTaskId) {
|
|
_localStatus = LocalLoading;
|
|
return true;
|
|
}
|
|
_localStatus = LocalNotFound;
|
|
return false;
|
|
}
|
|
|
|
mtpFileLoader::~mtpFileLoader() {
|
|
cancelRequests();
|
|
}
|
|
|
|
webFileLoader::webFileLoader(const QString &url, const QString &to, LoadFromCloudSetting fromCloud, bool autoLoading)
|
|
: FileLoader(QString(), 0, UnknownFileLocation, LoadToCacheAsWell, fromCloud, autoLoading)
|
|
, _url(url)
|
|
, _requestSent(false)
|
|
, _already(0) {
|
|
_queue = &_webQueue;
|
|
}
|
|
|
|
bool webFileLoader::loadPart() {
|
|
if (_finished || _requestSent || _webLoadManager == FinishedWebLoadManager) return false;
|
|
if (!_webLoadManager) {
|
|
_webLoadMainManager = new WebLoadMainManager();
|
|
|
|
_webLoadThread = new QThread();
|
|
_webLoadManager = new WebLoadManager(_webLoadThread);
|
|
|
|
_webLoadThread->start();
|
|
}
|
|
|
|
_requestSent = true;
|
|
_webLoadManager->append(this, _url);
|
|
return false;
|
|
}
|
|
|
|
int32 webFileLoader::currentOffset(bool includeSkipped) const {
|
|
return _already;
|
|
}
|
|
|
|
void webFileLoader::onProgress(qint64 already, qint64 size) {
|
|
_size = size;
|
|
_already = already;
|
|
|
|
emit progress(this);
|
|
}
|
|
|
|
void webFileLoader::onFinished(const QByteArray &data) {
|
|
if (_fileIsOpen) {
|
|
if (_file.write(data.constData(), data.size()) != qint64(data.size())) {
|
|
return cancel(true);
|
|
}
|
|
} else {
|
|
_data = data;
|
|
}
|
|
if (!_filename.isEmpty() && (_toCache == LoadToCacheAsWell)) {
|
|
if (!_fileIsOpen) _fileIsOpen = _file.open(QIODevice::WriteOnly);
|
|
if (!_fileIsOpen) {
|
|
return cancel(true);
|
|
}
|
|
if (_file.write(_data) != qint64(_data.size())) {
|
|
return cancel(true);
|
|
}
|
|
}
|
|
_finished = true;
|
|
if (_fileIsOpen) {
|
|
_file.close();
|
|
_fileIsOpen = false;
|
|
Platform::File::PostprocessDownloaded(QFileInfo(_file).absoluteFilePath());
|
|
}
|
|
removeFromQueue();
|
|
|
|
if (_localStatus == LocalNotFound || _localStatus == LocalFailed) {
|
|
Local::writeWebFile(_url, _data);
|
|
}
|
|
_downloader->taskFinished().notify();
|
|
|
|
emit progress(this);
|
|
|
|
loadNext();
|
|
}
|
|
|
|
void webFileLoader::onError() {
|
|
cancel(true);
|
|
}
|
|
|
|
bool webFileLoader::tryLoadLocal() {
|
|
if (_localStatus == LocalNotFound || _localStatus == LocalLoaded || _localStatus == LocalFailed) {
|
|
return false;
|
|
}
|
|
if (_localStatus == LocalLoading) {
|
|
return true;
|
|
}
|
|
|
|
_localTaskId = Local::startWebFileLoad(_url, this);
|
|
if (_localStatus != LocalNotTried) {
|
|
return _finished;
|
|
} else if (_localTaskId) {
|
|
_localStatus = LocalLoading;
|
|
return true;
|
|
}
|
|
_localStatus = LocalNotFound;
|
|
return false;
|
|
}
|
|
|
|
void webFileLoader::cancelRequests() {
|
|
if (!webLoadManager()) return;
|
|
webLoadManager()->stop(this);
|
|
}
|
|
|
|
webFileLoader::~webFileLoader() {
|
|
}
|
|
|
|
class webFileLoaderPrivate {
|
|
public:
|
|
webFileLoaderPrivate(webFileLoader *loader, const QString &url)
|
|
: _interface(loader)
|
|
, _url(url)
|
|
, _redirectsLeft(kMaxHttpRedirects) {
|
|
}
|
|
|
|
QNetworkReply *reply() {
|
|
return _reply;
|
|
}
|
|
|
|
QNetworkReply *request(QNetworkAccessManager &manager, const QString &redirect) {
|
|
if (!redirect.isEmpty()) _url = redirect;
|
|
|
|
QNetworkRequest req(_url);
|
|
QByteArray rangeHeaderValue = "bytes=" + QByteArray::number(_already) + "-";
|
|
req.setRawHeader("Range", rangeHeaderValue);
|
|
_reply = manager.get(req);
|
|
return _reply;
|
|
}
|
|
|
|
bool oneMoreRedirect() {
|
|
if (_redirectsLeft) {
|
|
--_redirectsLeft;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void setData(const QByteArray &data) {
|
|
_data = data;
|
|
}
|
|
void addData(const QByteArray &data) {
|
|
_data.append(data);
|
|
}
|
|
const QByteArray &data() {
|
|
return _data;
|
|
}
|
|
void setProgress(qint64 already, qint64 size) {
|
|
_already = already;
|
|
_size = qMax(size, 0LL);
|
|
}
|
|
|
|
qint64 size() const {
|
|
return _size;
|
|
}
|
|
qint64 already() const {
|
|
return _already;
|
|
}
|
|
|
|
private:
|
|
static constexpr auto kMaxHttpRedirects = 5;
|
|
|
|
webFileLoader *_interface = nullptr;
|
|
QUrl _url;
|
|
qint64 _already = 0;
|
|
qint64 _size = 0;
|
|
QNetworkReply *_reply = nullptr;
|
|
int32 _redirectsLeft = kMaxHttpRedirects;
|
|
QByteArray _data;
|
|
|
|
friend class WebLoadManager;
|
|
};
|
|
|
|
void stopWebLoadManager() {
|
|
if (webLoadManager()) {
|
|
_webLoadThread->quit();
|
|
DEBUG_LOG(("Waiting for webloadThread to finish"));
|
|
_webLoadThread->wait();
|
|
delete _webLoadManager;
|
|
delete _webLoadMainManager;
|
|
delete _webLoadThread;
|
|
_webLoadThread = 0;
|
|
_webLoadMainManager = 0;
|
|
_webLoadManager = FinishedWebLoadManager;
|
|
}
|
|
}
|
|
|
|
WebLoadManager::WebLoadManager(QThread *thread) {
|
|
moveToThread(thread);
|
|
_manager.moveToThread(thread);
|
|
connect(thread, SIGNAL(started()), this, SLOT(process()));
|
|
connect(thread, SIGNAL(finished()), this, SLOT(finish()));
|
|
connect(this, SIGNAL(processDelayed()), this, SLOT(process()), Qt::QueuedConnection);
|
|
|
|
connect(this, SIGNAL(progress(webFileLoader*,qint64,qint64)), _webLoadMainManager, SLOT(progress(webFileLoader*,qint64,qint64)));
|
|
connect(this, SIGNAL(finished(webFileLoader*,QByteArray)), _webLoadMainManager, SLOT(finished(webFileLoader*,QByteArray)));
|
|
connect(this, SIGNAL(error(webFileLoader*)), _webLoadMainManager, SLOT(error(webFileLoader*)));
|
|
|
|
connect(&_manager, SIGNAL(authenticationRequired(QNetworkReply*,QAuthenticator*)), this, SLOT(onFailed(QNetworkReply*)));
|
|
#ifndef OS_MAC_OLD
|
|
connect(&_manager, SIGNAL(sslErrors(QNetworkReply*,const QList<QSslError>&)), this, SLOT(onFailed(QNetworkReply*)));
|
|
#endif // OS_MAC_OLD
|
|
}
|
|
|
|
void WebLoadManager::append(webFileLoader *loader, const QString &url) {
|
|
loader->_private = new webFileLoaderPrivate(loader, url);
|
|
|
|
QMutexLocker lock(&_loaderPointersMutex);
|
|
_loaderPointers.insert(loader, loader->_private);
|
|
emit processDelayed();
|
|
}
|
|
|
|
void WebLoadManager::stop(webFileLoader *loader) {
|
|
QMutexLocker lock(&_loaderPointersMutex);
|
|
_loaderPointers.remove(loader);
|
|
emit processDelayed();
|
|
}
|
|
|
|
bool WebLoadManager::carries(webFileLoader *loader) const {
|
|
QMutexLocker lock(&_loaderPointersMutex);
|
|
return _loaderPointers.contains(loader);
|
|
}
|
|
|
|
bool WebLoadManager::handleReplyResult(webFileLoaderPrivate *loader, WebReplyProcessResult result) {
|
|
QMutexLocker lock(&_loaderPointersMutex);
|
|
LoaderPointers::iterator it = _loaderPointers.find(loader->_interface);
|
|
if (it != _loaderPointers.cend() && it.key()->_private != loader) {
|
|
it = _loaderPointers.end(); // it is a new loader which was realloced in the same address
|
|
}
|
|
if (it == _loaderPointers.cend()) {
|
|
return false;
|
|
}
|
|
|
|
if (result == WebReplyProcessProgress) {
|
|
if (loader->size() > Storage::kMaxFileInMemory) {
|
|
LOG(("API Error: too large file is loaded to cache: %1").arg(loader->size()));
|
|
result = WebReplyProcessError;
|
|
}
|
|
}
|
|
if (result == WebReplyProcessError) {
|
|
if (it != _loaderPointers.cend()) {
|
|
emit error(it.key());
|
|
}
|
|
return false;
|
|
}
|
|
if (loader->already() < loader->size() || !loader->size()) {
|
|
emit progress(it.key(), loader->already(), loader->size());
|
|
return true;
|
|
}
|
|
emit finished(it.key(), loader->data());
|
|
return false;
|
|
}
|
|
|
|
void WebLoadManager::onFailed(QNetworkReply::NetworkError error) {
|
|
onFailed(qobject_cast<QNetworkReply*>(QObject::sender()));
|
|
}
|
|
|
|
void WebLoadManager::onFailed(QNetworkReply *reply) {
|
|
if (!reply) return;
|
|
reply->deleteLater();
|
|
|
|
Replies::iterator j = _replies.find(reply);
|
|
if (j == _replies.cend()) { // handled already
|
|
return;
|
|
}
|
|
webFileLoaderPrivate *loader = j.value();
|
|
_replies.erase(j);
|
|
|
|
LOG(("Network Error: Failed to request '%1', error %2 (%3)").arg(QString::fromLatin1(loader->_url.toEncoded())).arg(int(reply->error())).arg(reply->errorString()));
|
|
|
|
if (!handleReplyResult(loader, WebReplyProcessError)) {
|
|
_loaders.remove(loader);
|
|
delete loader;
|
|
}
|
|
}
|
|
|
|
void WebLoadManager::onProgress(qint64 already, qint64 size) {
|
|
QNetworkReply *reply = qobject_cast<QNetworkReply*>(QObject::sender());
|
|
if (!reply) return;
|
|
|
|
Replies::iterator j = _replies.find(reply);
|
|
if (j == _replies.cend()) { // handled already
|
|
return;
|
|
}
|
|
webFileLoaderPrivate *loader = j.value();
|
|
|
|
WebReplyProcessResult result = WebReplyProcessProgress;
|
|
QVariant statusCode = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute);
|
|
int32 status = statusCode.isValid() ? statusCode.toInt() : 200;
|
|
if (status != 200 && status != 206 && status != 416) {
|
|
if (status == 301 || status == 302) {
|
|
QString loc = reply->header(QNetworkRequest::LocationHeader).toString();
|
|
if (!loc.isEmpty()) {
|
|
if (loader->oneMoreRedirect()) {
|
|
sendRequest(loader, loc);
|
|
return;
|
|
} else {
|
|
LOG(("Network Error: Too many HTTP redirects in onFinished() for web file loader: %1").arg(loc));
|
|
result = WebReplyProcessError;
|
|
}
|
|
}
|
|
} else {
|
|
LOG(("Network Error: Bad HTTP status received in WebLoadManager::onProgress(): %1").arg(statusCode.toInt()));
|
|
result = WebReplyProcessError;
|
|
}
|
|
} else {
|
|
loader->setProgress(already, size);
|
|
QByteArray r = reply->readAll();
|
|
if (!r.isEmpty()) {
|
|
loader->addData(r);
|
|
}
|
|
if (size == 0) {
|
|
LOG(("Network Error: Zero size received for HTTP download progress in WebLoadManager::onProgress(): %1 / %2").arg(already).arg(size));
|
|
result = WebReplyProcessError;
|
|
}
|
|
}
|
|
if (!handleReplyResult(loader, result)) {
|
|
_replies.erase(j);
|
|
_loaders.remove(loader);
|
|
delete loader;
|
|
|
|
reply->abort();
|
|
reply->deleteLater();
|
|
}
|
|
}
|
|
|
|
void WebLoadManager::onMeta() {
|
|
QNetworkReply *reply = qobject_cast<QNetworkReply*>(QObject::sender());
|
|
if (!reply) return;
|
|
|
|
Replies::iterator j = _replies.find(reply);
|
|
if (j == _replies.cend()) { // handled already
|
|
return;
|
|
}
|
|
webFileLoaderPrivate *loader = j.value();
|
|
|
|
typedef QList<QNetworkReply::RawHeaderPair> Pairs;
|
|
Pairs pairs = reply->rawHeaderPairs();
|
|
for (Pairs::iterator i = pairs.begin(), e = pairs.end(); i != e; ++i) {
|
|
if (QString::fromUtf8(i->first).toLower() == "content-range") {
|
|
QRegularExpressionMatch m = QRegularExpression(qsl("/(\\d+)([^\\d]|$)")).match(QString::fromUtf8(i->second));
|
|
if (m.hasMatch()) {
|
|
loader->setProgress(qMax(qint64(loader->data().size()), loader->already()), m.captured(1).toLongLong());
|
|
if (!handleReplyResult(loader, WebReplyProcessProgress)) {
|
|
_replies.erase(j);
|
|
_loaders.remove(loader);
|
|
delete loader;
|
|
|
|
reply->abort();
|
|
reply->deleteLater();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void WebLoadManager::process() {
|
|
Loaders newLoaders;
|
|
{
|
|
QMutexLocker lock(&_loaderPointersMutex);
|
|
for (LoaderPointers::iterator i = _loaderPointers.begin(), e = _loaderPointers.end(); i != e; ++i) {
|
|
Loaders::iterator it = _loaders.find(i.value());
|
|
if (i.value()) {
|
|
if (it == _loaders.cend()) {
|
|
_loaders.insert(i.value());
|
|
newLoaders.insert(i.value());
|
|
}
|
|
i.value() = 0;
|
|
}
|
|
}
|
|
for (auto i = _loaders.begin(), e = _loaders.end(); i != e;) {
|
|
LoaderPointers::iterator it = _loaderPointers.find((*i)->_interface);
|
|
if (it != _loaderPointers.cend() && it.key()->_private != (*i)) {
|
|
it = _loaderPointers.end();
|
|
}
|
|
if (it == _loaderPointers.cend()) {
|
|
if (QNetworkReply *reply = (*i)->reply()) {
|
|
_replies.remove(reply);
|
|
reply->abort();
|
|
reply->deleteLater();
|
|
}
|
|
delete (*i);
|
|
i = _loaders.erase(i);
|
|
} else {
|
|
++i;
|
|
}
|
|
}
|
|
}
|
|
for_const (webFileLoaderPrivate *loader, newLoaders) {
|
|
if (_loaders.contains(loader)) {
|
|
sendRequest(loader);
|
|
}
|
|
}
|
|
}
|
|
|
|
void WebLoadManager::sendRequest(webFileLoaderPrivate *loader, const QString &redirect) {
|
|
Replies::iterator j = _replies.find(loader->reply());
|
|
if (j != _replies.cend()) {
|
|
QNetworkReply *r = j.key();
|
|
_replies.erase(j);
|
|
|
|
r->abort();
|
|
r->deleteLater();
|
|
}
|
|
|
|
QNetworkReply *r = loader->request(_manager, redirect);
|
|
connect(r, SIGNAL(downloadProgress(qint64, qint64)), this, SLOT(onProgress(qint64, qint64)));
|
|
connect(r, SIGNAL(error(QNetworkReply::NetworkError)), this, SLOT(onFailed(QNetworkReply::NetworkError)));
|
|
connect(r, SIGNAL(metaDataChanged()), this, SLOT(onMeta()));
|
|
_replies.insert(r, loader);
|
|
}
|
|
|
|
void WebLoadManager::finish() {
|
|
clear();
|
|
}
|
|
|
|
void WebLoadManager::clear() {
|
|
QMutexLocker lock(&_loaderPointersMutex);
|
|
for (LoaderPointers::iterator i = _loaderPointers.begin(), e = _loaderPointers.end(); i != e; ++i) {
|
|
if (i.value()) {
|
|
i.key()->_private = 0;
|
|
}
|
|
}
|
|
_loaderPointers.clear();
|
|
|
|
for_const (webFileLoaderPrivate *loader, _loaders) {
|
|
delete loader;
|
|
}
|
|
_loaders.clear();
|
|
|
|
for (Replies::iterator i = _replies.begin(), e = _replies.end(); i != e; ++i) {
|
|
delete i.key();
|
|
}
|
|
_replies.clear();
|
|
}
|
|
|
|
WebLoadManager::~WebLoadManager() {
|
|
clear();
|
|
}
|
|
|
|
void WebLoadMainManager::progress(webFileLoader *loader, qint64 already, qint64 size) {
|
|
if (webLoadManager() && webLoadManager()->carries(loader)) {
|
|
loader->onProgress(already, size);
|
|
}
|
|
}
|
|
|
|
void WebLoadMainManager::finished(webFileLoader *loader, QByteArray data) {
|
|
if (webLoadManager() && webLoadManager()->carries(loader)) {
|
|
loader->onFinished(data);
|
|
}
|
|
}
|
|
|
|
void WebLoadMainManager::error(webFileLoader *loader) {
|
|
if (webLoadManager() && webLoadManager()->carries(loader)) {
|
|
loader->onError();
|
|
}
|
|
}
|