103 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			103 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| #ifndef MESSAGE_CLIENT_HPP__
 | |
| #define MESSAGE_CLIENT_HPP__
 | |
| 
 | |
| #include <QObject>
 | |
| #include <QTime>
 | |
| #include <QDataStream>
 | |
| #include <QDateTime>
 | |
| #include <QString>
 | |
| #include <QJsonDocument>
 | |
| #include <QJsonObject>
 | |
| 
 | |
| #include "Radio.hpp"
 | |
| #include "pimpl_h.hpp"
 | |
| 
 | |
| class QByteArray;
 | |
| class QHostAddress;
 | |
| class QColor;
 | |
| 
 | |
| 
 | |
| class Message {
 | |
| public:
 | |
|     Message();
 | |
|     Message(QString const &type, QString const &value="");
 | |
|     Message(QString const &type, QString const &value, QMap<QString, QVariant> const ¶ms);
 | |
| 
 | |
|     void read(const QJsonObject &json);
 | |
|     void write(QJsonObject &json) const;
 | |
| 
 | |
|     QByteArray toJson() const;
 | |
| 
 | |
|     QString type() const { return type_; }
 | |
|     QString value() const { return value_; }
 | |
|     QMap<QString, QVariant> params() const { return params_; }
 | |
| 
 | |
| private:
 | |
|     QString type_;
 | |
|     QString value_;
 | |
|     QMap<QString, QVariant> params_;
 | |
| };
 | |
| 
 | |
| 
 | |
| //
 | |
| // MessageClient - Manage messages sent and replies received from a
 | |
| //                 matching server (MessageServer) at the other end of
 | |
| //                 the wire
 | |
| //
 | |
| //
 | |
| // Each outgoing message type is a Qt slot
 | |
| //
 | |
| class MessageClient
 | |
|   : public QObject
 | |
| {
 | |
|   Q_OBJECT
 | |
| 
 | |
| public:
 | |
|   using Frequency = Radio::Frequency;
 | |
|   using port_type = quint16;
 | |
| 
 | |
|   // instantiate and initiate a host lookup on the server
 | |
|   //
 | |
|   // messages will be silently dropped until a server host lookup is complete
 | |
|   MessageClient (QString const& id, QString const& version, QString const& revision,
 | |
|                  QString const& server, port_type server_port, QObject * parent = nullptr);
 | |
| 
 | |
|   // query server details
 | |
|   QHostAddress server_address () const;
 | |
|   port_type server_port () const;
 | |
| 
 | |
|   // initiate a new server host lookup or is the server name is empty
 | |
|   // the sending of messages is disabled
 | |
|   Q_SLOT void set_server (QString const& server = QString {});
 | |
| 
 | |
|   // change the server port messages are sent to
 | |
|   Q_SLOT void set_server_port (port_type server_port = 0u);
 | |
| 
 | |
|   // this slot is used to send an arbitrary message
 | |
|   Q_SLOT void send(Message const &message);
 | |
| 
 | |
|   // this slot may be used to send arbitrary UDP datagrams to and
 | |
|   // destination allowing the underlying socket to be used for general
 | |
|   // UDP messaging if desired
 | |
|   Q_SLOT void send_raw_datagram (QByteArray const&, QHostAddress const& dest_address, port_type dest_port);
 | |
| 
 | |
|   // disallowed message destination (does not block datagrams sent
 | |
|   // with send_raw_datagram() above)
 | |
|   Q_SLOT void add_blocked_destination (QHostAddress const&);
 | |
| 
 | |
|   Q_SIGNAL void message(Message const &message);
 | |
| 
 | |
|   // this signal is emitted when the a reply a message is received
 | |
|   Q_SIGNAL void message_received(QString const &type, QString const &message);
 | |
| 
 | |
|   // this signal is emitted when network errors occur or if a host
 | |
|   // lookup fails
 | |
|   Q_SIGNAL void error (QString const&) const;
 | |
| 
 | |
| private:
 | |
|   class impl;
 | |
|   pimpl<impl> m_;
 | |
| };
 | |
| 
 | |
| #endif
 | 
