SyncMessages.hpp

/*
 * Stellarium Remote Sync plugin
 * Copyright (C) 2015 Florian Schaukowitsch
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA  02110-1335, USA.
 */

#ifndef SYNCMESSAGES_HPP_
#define SYNCMESSAGES_HPP_

#include "SyncProtocol.hpp"
#include "StelLocation.hpp"

class ErrorMessage : public SyncMessage
{
public:
    ErrorMessage();
    ErrorMessage(const QString& msg);

    SyncProtocol::SyncMessageType getMessageType() const Q_DECL_OVERRIDE { return SyncProtocol::ERROR; }
    void serialize(QDataStream& stream) const Q_DECL_OVERRIDE;
    bool deserialize(QDataStream& stream, SyncProtocol::tPayloadSize dataSize) Q_DECL_OVERRIDE;

    QString message;
};

class ServerChallenge : public SyncMessage
{
public:
    ServerChallenge();

    SyncProtocol::SyncMessageType getMessageType() const Q_DECL_OVERRIDE { return SyncProtocol::SERVER_CHALLENGE; }
    void serialize(QDataStream &stream) const Q_DECL_OVERRIDE;
    bool deserialize(QDataStream &stream, SyncProtocol::tPayloadSize dataSize) Q_DECL_OVERRIDE;

    quint8 protocolVersion;
    quint32 remoteSyncVersion;
    quint32 stellariumVersion;
    QUuid clientId; //The ID the server has assigned to the client, working as a very basic challenge value
};

class ClientChallengeResponse : public SyncMessage
{
public:
    ClientChallengeResponse();

    SyncProtocol::SyncMessageType getMessageType() const Q_DECL_OVERRIDE { return SyncProtocol::CLIENT_CHALLENGE_RESPONSE; }
    void serialize(QDataStream &stream) const Q_DECL_OVERRIDE;
    bool deserialize(QDataStream &stream, SyncProtocol::tPayloadSize dataSize) Q_DECL_OVERRIDE;

    //basically the same as the challenge, without magic string and proto version
    quint32 remoteSyncVersion;
    quint32 stellariumVersion;
    QUuid clientId; //Must match the server challenge ID
};

class ServerChallengeResponseValid : public SyncMessage
{
public:
    SyncProtocol::SyncMessageType getMessageType() const Q_DECL_OVERRIDE { return SyncProtocol::SERVER_CHALLENGERESPONSEVALID; }
};

class Time : public SyncMessage
{
public:
    SyncProtocol::SyncMessageType getMessageType() const Q_DECL_OVERRIDE { return SyncProtocol::TIME; }

    void serialize(QDataStream &stream) const Q_DECL_OVERRIDE;
    bool deserialize(QDataStream &stream, SyncProtocol::tPayloadSize dataSize) Q_DECL_OVERRIDE;

    //TODO implement network delay compensation (also for other message types where it makes sense)
    //TODO maybe split up so that each message is only for 1 thing?
    qint64 lastTimeSyncTime; //corresponds to StelCore::milliSecondsOfLastJDayUpdate
    double jDay; //current jDay, without any time zone/deltaT adjustments
    double timeRate; //current time rate

};

class Location : public SyncMessage
{
public:
    Location();

    SyncProtocol::SyncMessageType getMessageType() const Q_DECL_OVERRIDE { return SyncProtocol::LOCATION; }

    void serialize(QDataStream &stream) const Q_DECL_OVERRIDE;
    bool deserialize(QDataStream &stream, SyncProtocol::tPayloadSize dataSize) Q_DECL_OVERRIDE;

    StelLocation stelLocation;
    double totalDuration;
    double timeToGo;
};

class Selection : public SyncMessage
{
public:
    SyncProtocol::SyncMessageType getMessageType() const Q_DECL_OVERRIDE { return SyncProtocol::SELECTION; }

    void serialize(QDataStream &stream) const Q_DECL_OVERRIDE;
    bool deserialize(QDataStream &stream, SyncProtocol::tPayloadSize dataSize) Q_DECL_OVERRIDE;

    QList<QString> selectedObjectNames;
};

class Alive : public SyncMessage
{
public:
    SyncProtocol::SyncMessageType getMessageType() const Q_DECL_OVERRIDE  { return SyncProtocol::ALIVE; }
};


#endif