MessageClient.h

#ifndef MESSAGE_CLIENT_HPP__
#define MESSAGE_CLIENT_HPP__
 
#include "JS8_Include/pimpl_h.h"
#include "Message.h"
#include "Radio.h"
 
#include <QByteArray>
#include <QHostAddress>
#include <QObject>
#include <QString>
 
//
// 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:
    // instantiate and initiate a host lookup on the server;
    // messages will be queued until a server host lookup is complete
    MessageClient(QString const &server_name, quint16 server_port,
                  QObject *parent = nullptr);
 
    // query server details
    QHostAddress server_host() const;
    quint16 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_name(QString const &server_name = {});
 
    // change the server port messages are sent to
    Q_SLOT void set_server_port(quint16 server_port = 0u);
 
    // this slot is used to send an arbitrary message
    Q_SLOT void send(Message const &message);
 
    // this signal is emitted when a message is received
    Q_SIGNAL void message(Message 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