enginerequest.h

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/*
 * Copyright (C) 2017 Daniel Nicoletti <dantti12@gmail.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

#ifndef ENGINEREQUEST_H
#define ENGINEREQUEST_H

#include <QObject>
#include <QHostAddress>
#include <QElapsedTimer>

#include <Cutelyst/Headers>

namespace Cutelyst {

class Engine;
class Context;
class CUTELYST_LIBRARY EngineRequest
{
    Q_GADGET
    friend class Engine;
public:
    enum StatusFlag {
        InitialState = 0x00,
        FinalizedHeaders = 0x01,
        IOWrite = 0x02,
        Chunked = 0x04,
        ChunkedDone = 0x08,
        Async = 0x10,
        Finalized = 0x20,
    };
    Q_DECLARE_FLAGS(Status, StatusFlag)

    explicit EngineRequest();

    virtual ~EngineRequest();

    virtual void finalizeBody();

    virtual void finalizeError();

    void finalize();

    virtual void finalizeCookies();

    virtual bool finalizeHeaders();

    qint64 write(const char *data, qint64 len);

    bool webSocketHandshake(const QString &key, const QString &origin, const QString &protocol);

    virtual bool webSocketSendTextMessage(const QString &message);

    virtual bool webSocketSendBinaryMessage(const QByteArray &message);

    virtual bool webSocketSendPing(const QByteArray &payload);

    virtual bool webSocketClose(quint16 code, const QString &reason);

protected:
    virtual qint64 doWrite(const char *data, qint64 len) = 0;

    virtual void processingFinished();

    virtual bool writeHeaders(quint16 status, const Headers &headers) = 0;

    virtual bool webSocketHandshakeDo(const QString &key, const QString &origin, const QString &protocol);

public:
    void setPath(char *rawPath, const int len);

    inline void setPath(const QString &path) {
        QByteArray rawPath = path.toLatin1();
        setPath(rawPath.data(), rawPath.size());
    }

    QString method;

    QString path;

    QByteArray query;

    QString protocol;

    QString serverAddress;

    QHostAddress remoteAddress;

    QString remoteUser;

    Headers headers;

    quint64 startOfRequest = 0;

    Status status = InitialState;

    QIODevice *body = nullptr;

    Context *context = nullptr;

    quint16 remotePort = 0;

    bool isSecure = false;

    QElapsedTimer elapsed;
};

}

Q_DECLARE_OPERATORS_FOR_FLAGS(Cutelyst::EngineRequest::Status)

#endif // ENGINEREQUEST_H