mirror of https://github.com/saitohirga/WSJT-X.git
166 lines
5.1 KiB
C++
166 lines
5.1 KiB
C++
#ifndef NETWORK_MESSAGE_HPP__
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#define NETWORK_MESSAGE_HPP__
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/*
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* WSJT-X Message Formats
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* ======================
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*
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* All messages are written or read using the QDataStream derivatives
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* defined below.
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*
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* Message is big endian format
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*
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* Header format:
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*
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* 32-bit unsigned integer magic number 0xadbccbda
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* 32-bit unsigned integer schema number
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*
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* Payload format:
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*
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* As per the QDataStream format, see below for version used and
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* here:
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*
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* http://doc.qt.io/qt-5/datastreamformat.html
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*
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* for the serialization details for each type.
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*
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* Type utf8 is a utf-8 byte string formatted as a QByteArray for
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* serialization purposes (currently a quint32 size followed by size
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* bytes, no terminator is present or counted).
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*
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* Schema Version 1:
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* -----------------
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*
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* Message Direction Value Type
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* ------------- --------- ---------------------- -----------
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* Heartbeat Out 0 quint32
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* Id (unique key) utf8
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*
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* Status Out 1 quint32
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* Id (unique key) utf8
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* Dial Frequency (Hz) quint64
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* Mode utf8
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* DX call utf8
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* Report utf8
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* Tx Mode utf8
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*
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* Decode Out 2 quint32
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* Id (unique key) utf8
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* New bool
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* Time QTime
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* snr qint32
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* Delta time (S) float
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* Delta frequency (Hz) quint32
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* Mode utf8
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* Message utf8
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*
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* Clear Out 3 quint32
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* Id (unique key) utf8
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*
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* Reply In 4 quint32
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* Id (target unique key) utf8
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* Time QTime
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* snr qint32
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* Delta time (S) float
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* Delta frequency (Hz) quint32
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* Mode utf8
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* Message utf8
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*
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* QSO Logged Out 5 quint32
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* Id (unique key) utf8
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* Date & Time QDateTime
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* DX call utf8
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* DX grid utf8
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* Dial frequency (Hz) quint64
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* Mode utf8
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* Report send utf8
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* Report received utf8
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* Tx power utf8
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* Comments utf8
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* Name utf8
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*
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* Close Out 6 quint32
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* Id (unique key) utf8
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*
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* Replay In 7 quint32
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* Id (unique key) utf8
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*/
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#include <QDataStream>
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#include "pimpl_h.hpp"
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class QIODevice;
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class QByteArray;
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class QString;
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namespace NetworkMessage
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{
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// NEVER DELETE MESSAGE TYPES
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enum Type
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{
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Heartbeat,
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Status,
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Decode,
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Clear,
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Reply,
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QSOLogged,
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Close,
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Replay,
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maximum_message_type_ // ONLY add new message types
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// immediately before here
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};
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quint32 constexpr pulse {15}; // seconds
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//
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// NetworkMessage::Build - build a message containing serialized Qt types
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//
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class Builder
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: public QDataStream
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{
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public:
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static quint32 constexpr magic {0xadbccbda}; // never change this
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// increment this if a newer Qt schema is required and add decode
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// logic to InputMessageStream below
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static quint32 constexpr schema_number {1};
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explicit Builder (QIODevice *, Type, QString const& id);
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explicit Builder (QByteArray *, Type, QString const& id);
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Builder (Builder const&) = delete;
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Builder& operator = (Builder const&) = delete;
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private:
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void common_initialization (Type type, QString const& id);
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};
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//
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// NetworkMessage::Reader - read a message containing serialized Qt types
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//
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// Message is as per NetworkMessage::Builder above, the schema()
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// member may be used to determine the schema of the original
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// message.
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//
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class Reader
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: public QDataStream
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{
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public:
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explicit Reader (QIODevice *);
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explicit Reader (QByteArray const&);
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Reader (Reader const&) = delete;
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Reader& operator = (Reader const&) = delete;
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~Reader ();
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quint32 schema () const;
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Type type () const;
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QString id () const;
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private:
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class impl;
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pimpl<impl> m_;
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};
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}
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#endif
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