webserver.h - mozsearch

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// Copyright (C) 2017 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

#ifndef WEBSERVER_H

#define WEBSERVER_H

#include <QtNetwork/qtcpserver.h>

#include <QtCore/qmap.h>

#include <QtCore/qurl.h>

#include <functional>

QT_BEGIN_NAMESPACE

class QTcpSocket;

QT_END_NAMESPACE

class WebServer : public QTcpServer

public:

    class HttpRequest {

        friend class WebServer;

        friend class TlsWebServer;

        quint16 port = 0;

        enum class State {

            ReadingMethod,

            ReadingUrl,

            ReadingStatus,

            ReadingHeader,

            ReadingBody,

            AllDone

        } state = State::ReadingMethod;

        QByteArray fragment;

        int bytesLeft = 0;

        bool readMethod(QTcpSocket *socket);

        bool readUrl(QTcpSocket *socket);

        bool readStatus(QTcpSocket *socket);

        bool readHeaders(QTcpSocket *socket);

        bool readBody(QTcpSocket *socket);

    public:

        enum class Method {

            Unknown,

            Head,

            Get,

            Put,

            Post,

            Delete,

        } method = Method::Unknown;

        QUrl url;

        std::pair<quint8, quint8> version;

        QMap<QByteArray, QByteArray> headers;

        QByteArray body;

};

    typedef std::function<void(const HttpRequest &request, QTcpSocket *socket)> Handler;

    WebServer(Handler handler, QObject *parent = nullptr);

    QUrl url(const QString &path);

private:

    Handler handler;

    QMap<QTcpSocket *, HttpRequest> clients;

};

#endif // WEBSERVER_H