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WSJT-X/UDPExamples/UDPDaemon.cpp
Joe Taylor 5b4f4670d6 Include OPERATOR field in wsjtx_log.adi; emit OPERATOR field in the 
logged_qso message; show the emitted logged_qso message (including
the operator field) in udp_daemon example code.  Thanks to N9ADG for this code!


git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8432 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-01-25 21:57:21 +00:00

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//
// UDPDaemon - an example console application that utilizes the WSJT-X
// messaging facility
//
// This application is only provided as a simple console application
// example to demonstrate the WSJT-X messaging facility. It allows
// the user to set the server details either as a unicast UDP server
// or, if a multicast group address is provided, as a multicast
// server. The benefit of the multicast server is that multiple
// servers can be active at once each receiving all WSJT-X broadcast
// messages and each able to respond to individual WSJT_X clients. To
// utilize the multicast group features each WSJT-X client must set
// the same multicast group address as the UDP server address for
// example 239.255.0.0 for a site local multicast group.
//
//
#include <iostream>
#include <exception>
#include <QCoreApplication>
#include <QCommandLineParser>
#include <QDateTime>
#include <QTime>
#include <QHash>
#include <QDebug>
#include "MessageServer.hpp"
#include "Radio.hpp"
#include "qt_helpers.hpp"
using port_type = MessageServer::port_type;
using Frequency = MessageServer::Frequency;
class Client
: public QObject
{
Q_OBJECT
public:
explicit Client (QString const& id, QObject * parent = nullptr)
: QObject {parent}
, id_ {id}
, dial_frequency_ {0u}
{
}
Q_SLOT void update_status (QString const& id, Frequency f, QString const& mode, QString const& /*dx_call*/
, QString const& /*report*/, QString const& /*tx_mode*/, bool /*tx_enabled*/
, bool /*transmitting*/, bool /*decoding*/, qint32 /*rx_df*/, qint32 /*tx_df*/
, QString const& /*de_call*/, QString const& /*de_grid*/, QString const& /*dx_grid*/
, bool /* watchdog_timeout */, QString const& sub_mode, bool /*fast_mode*/)
{
if (id == id_)
{
if (f != dial_frequency_)
{
std::cout << tr ("%1: Dial frequency changed to %2").arg (id_).arg (f).toStdString () << std::endl;
dial_frequency_ = f;
}
if (mode + sub_mode != mode_)
{
std::cout << tr ("%1: Mode changed to %2").arg (id_).arg (mode + sub_mode).toStdString () << std::endl;
mode_ = mode + sub_mode;
}
}
}
Q_SLOT void decode_added (bool is_new, QString const& client_id, QTime time, qint32 snr
, float delta_time, quint32 delta_frequency, QString const& mode
, QString const& message, bool low_confidence, bool off_air)
{
if (client_id == id_)
{
qDebug () << "new:" << is_new << "t:" << time << "snr:" << snr
<< "Dt:" << delta_time << "Df:" << delta_frequency
<< "mode:" << mode << "Confidence:" << (low_confidence ? "low" : "high")
<< "On air:" << !off_air;
std::cout << tr ("%1: Decoded %2").arg (id_).arg (message).toStdString () << std::endl;
}
}
Q_SLOT void beacon_spot_added (bool is_new, QString const& client_id, QTime time, qint32 snr
, float delta_time, Frequency delta_frequency, qint32 drift, QString const& callsign
, QString const& grid, qint32 power, bool off_air)
{
if (client_id == id_)
{
qDebug () << "new:" << is_new << "t:" << time << "snr:" << snr
<< "Dt:" << delta_time << "Df:" << delta_frequency
<< "drift:" << drift;
std::cout << tr ("%1: WSPR decode %2 grid %3 power: %4").arg (id_).arg (callsign).arg (grid).arg (power).toStdString ()
<< "On air:" << !off_air << std::endl;
}
}
Q_SLOT void qso_logged (QString const&client_id, QDateTime time_off, QString const& dx_call, QString const& dx_grid
, Frequency dial_frequency, QString const& mode, QString const& report_sent
, QString const& report_received, QString const& tx_power
, QString const& comments, QString const& name, QDateTime time_on, QString const& operator_call)
{
if (client_id == id_)
{
qDebug () << "time_on:" << time_on << "time_off:" << time_off << "dx_call:" << dx_call << "grid:" << dx_grid
<< "freq:" << dial_frequency << "mode:" << mode << "rpt_sent:" << report_sent
<< "rpt_rcvd:" << report_received << "Tx_pwr:" << tx_power << "comments:" << comments
<< "name:" << name << "operator_call:" << operator_call;
std::cout << tr ("%1: Logged %2 grid: %3 power: %4 sent: %5 recd: %6 freq: %7 op: %8").arg (id_)
.arg (dx_call).arg (dx_grid).arg (tx_power).arg (report_sent).arg (report_received).arg (dial_frequency).arg (operator_call).toStdString ()
<< tr (" @ %1").arg (time_off.toString("yyyy-MM-dd hh:mm:ss.z")).toStdString()
<< std::endl;
}
}
private:
QString id_;
Frequency dial_frequency_;
QString mode_;
};
class Server
: public QObject
{
Q_OBJECT
public:
Server (port_type port, QHostAddress const& multicast_group)
: server_ {new MessageServer {this}}
{
// connect up server
connect (server_, &MessageServer::error, [this] (QString const& message) {
std::cerr << tr ("Network Error: %1").arg ( message).toStdString () << std::endl;
});
connect (server_, &MessageServer::client_opened, this, &Server::add_client);
connect (server_, &MessageServer::client_closed, this, &Server::remove_client);
server_->start (port, multicast_group);
}
private:
void add_client (QString const& id, QString const& version, QString const& revision)
{
auto client = new Client {id};
connect (server_, &MessageServer::status_update, client, &Client::update_status);
connect (server_, &MessageServer::decode, client, &Client::decode_added);
connect (server_, &MessageServer::WSPR_decode, client, &Client::beacon_spot_added);
connect (server_, &MessageServer::qso_logged, client, &Client::qso_logged);
clients_[id] = client;
server_->replay (id);
std::cout << "Discovered WSJT-X instance: " << id.toStdString ();
if (version.size ())
{
std::cout << " v" << version.toStdString ();
}
if (revision.size ())
{
std::cout << " (" << revision.toStdString () << ")";
}
std::cout << std::endl;
}
void remove_client (QString const& id)
{
auto iter = clients_.find (id);
if (iter != std::end (clients_))
{
clients_.erase (iter);
(*iter)->deleteLater ();
}
std::cout << "Removed WSJT-X instance: " << id.toStdString () << std::endl;
}
MessageServer * server_;
// maps client id to clients
QHash<QString, Client *> clients_;
};
#include "UDPDaemon.moc"
int main (int argc, char * argv[])
{
QCoreApplication app {argc, argv};
try
{
setlocale (LC_NUMERIC, "C"); // ensure number forms are in
// consistent format, do this after
// instantiating QApplication so
// that GUI has correct l18n
app.setApplicationName ("WSJT-X UDP Message Server Daemon");
app.setApplicationVersion ("1.0");
QCommandLineParser parser;
parser.setApplicationDescription ("\nWSJT-X UDP Message Server Daemon.");
auto help_option = parser.addHelpOption ();
auto version_option = parser.addVersionOption ();
QCommandLineOption port_option (QStringList {"p", "port"},
app.translate ("UDPDaemon",
"Where <PORT> is the UDP service port number to listen on.\n"
"The default service port is 2237."),
app.translate ("UDPDaemon", "PORT"),
"2237");
parser.addOption (port_option);
QCommandLineOption multicast_addr_option (QStringList {"g", "multicast-group"},
app.translate ("UDPDaemon",
"Where <GROUP> is the multicast group to join.\n"
"The default is a unicast server listening on all interfaces."),
app.translate ("UDPDaemon", "GROUP"));
parser.addOption (multicast_addr_option);
parser.process (app);
Server server {static_cast<port_type> (parser.value (port_option).toUInt ()), QHostAddress {parser.value (multicast_addr_option)}};
return app.exec ();
}
catch (std::exception const & e)
{
std::cerr << "Error: " << e.what () << '\n';
}
catch (...)
{
std::cerr << "Unexpected error\n";
}
return -1;
}
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