143 lines
4.0 KiB
C++
143 lines
4.0 KiB
C++
/*
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* Strawberry Music Player
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* This file was part of Clementine.
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* Copyright 2010, David Sansome <me@davidsansome.com>
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*
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* Strawberry is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Strawberry 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 Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef NETWORK_H
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#define NETWORK_H
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#include "config.h"
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#include <stdbool.h>
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#include <QtGlobal>
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#include <QObject>
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#include <QMutex>
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#include <QIODevice>
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#include <QMap>
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#include <QByteArray>
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#include <QVariant>
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#include <QString>
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#include <QUrl>
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#include <QNetworkAccessManager>
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#include <QNetworkRequest>
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#include <QNetworkReply>
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#include <QNetworkDiskCache>
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#include <QNetworkCacheMetaData>
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#include <QAbstractNetworkCache>
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#include <QtEvents>
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class QTimerEvent;
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class ThreadSafeNetworkDiskCache : public QAbstractNetworkCache {
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public:
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explicit ThreadSafeNetworkDiskCache(QObject *parent);
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qint64 cacheSize() const;
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QIODevice *data(const QUrl &url);
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void insert(QIODevice *device);
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QNetworkCacheMetaData metaData(const QUrl &url);
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QIODevice *prepare(const QNetworkCacheMetaData &metaData);
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bool remove(const QUrl &url);
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void updateMetaData(const QNetworkCacheMetaData &metaData);
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void clear();
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private:
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static QMutex sMutex;
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static QNetworkDiskCache *sCache;
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};
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class NetworkAccessManager : public QNetworkAccessManager {
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Q_OBJECT
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public:
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explicit NetworkAccessManager(QObject *parent = nullptr);
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protected:
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QNetworkReply *createRequest(Operation op, const QNetworkRequest &request, QIODevice *outgoingData);
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};
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class RedirectFollower : public QObject {
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Q_OBJECT
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public:
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explicit RedirectFollower(QNetworkReply *first_reply, int max_redirects = 5);
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bool hit_redirect_limit() const { return redirects_remaining_ < 0; }
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QNetworkReply *reply() const { return current_reply_; }
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// These are all forwarded to the current reply.
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QNetworkReply::NetworkError error() const { return current_reply_->error(); }
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QString errorString() const { return current_reply_->errorString(); }
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QVariant attribute(QNetworkRequest::Attribute code) const { return current_reply_->attribute(code); }
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QVariant header(QNetworkRequest::KnownHeaders header) const { return current_reply_->header(header); }
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qint64 bytesAvailable() const { return current_reply_->bytesAvailable(); }
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QUrl url() const { return current_reply_->url(); }
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QByteArray readAll() { return current_reply_->readAll(); }
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void abort() { current_reply_->abort(); }
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signals:
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// These are all forwarded from the current reply.
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void readyRead();
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void error(QNetworkReply::NetworkError);
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void uploadProgress(qint64 bytesSent, qint64 bytesTotal);
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void downloadProgress(qint64 bytesReceived, qint64 bytesTotal);
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// This is NOT emitted when a request that has a redirect finishes.
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void finished();
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private slots:
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void ReadyRead();
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void ReplyFinished();
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private:
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void ConnectReply(QNetworkReply *reply);
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private:
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QNetworkReply *current_reply_;
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int redirects_remaining_;
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};
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class NetworkTimeouts : public QObject {
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Q_OBJECT
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public:
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explicit NetworkTimeouts(int timeout_msec, QObject *parent = nullptr);
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// TODO: Template this to avoid code duplication.
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void AddReply(QNetworkReply *reply);
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void AddReply(RedirectFollower *reply);
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void SetTimeout(int msec) { timeout_msec_ = msec; }
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protected:
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void timerEvent(QTimerEvent *e);
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private slots:
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void ReplyFinished();
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void RedirectFinished(RedirectFollower *redirect);
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private:
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int timeout_msec_;
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QMap<QNetworkReply*, int> timers_;
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QMap<RedirectFollower*, int> redirect_timers_;
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};
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#endif // NETWORK_H
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