128 lines
3.7 KiB
C++
128 lines
3.7 KiB
C++
/* This file is part of Clementine.
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Copyright 2010, David Sansome <me@davidsansome.com>
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Clementine 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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Clementine 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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You should have received a copy of the GNU General Public License
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along with Clementine. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef NETWORK_H
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#define NETWORK_H
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#include <QAbstractNetworkCache>
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#include <QMutex>
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#include <QNetworkAccessManager>
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#include <QNetworkReply>
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class QNetworkDiskCache;
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class ThreadSafeNetworkDiskCache : public QAbstractNetworkCache {
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public:
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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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NetworkAccessManager(QObject* parent = nullptr);
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protected:
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QNetworkReply* createRequest(Operation op, const QNetworkRequest& request,
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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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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 {
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return current_reply_->attribute(code);
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}
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QVariant header(QNetworkRequest::KnownHeaders header) const {
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return current_reply_->header(header);
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}
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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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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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