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start with some hfdl message parsing

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This commit is contained in:
Jakob Ketterl 2023-09-05 18:25:28 +02:00
parent e934a3935c
commit 37a3584f3e
2 changed files with 107 additions and 2 deletions
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9
htdocs/css/openwebrx.css
View file

@ -1122,6 +1122,15 @@ img.openwebrx-mirror-img
background-color: #575757;
}
.openwebrx-message-panel h4 {
margin: .25em 0;
}
.openwebrx-message-panel .acars-message {
white-space: pre;
font-family: roboto-mono, monospace;
}
#openwebrx-panel-wsjt-message .message {
width: 380px;
}

100
htdocs/lib/MessagePanel.js
View file

@ -473,7 +473,9 @@ HfdlMessagePanel.prototype.render = function() {
$(this.el).append($(
'<table>' +
'<thead><tr>' +
'<th class="todo">TODO</th>' +
'<th class="source">Source</th>' +
'<th class="destination">Destination</th>' +
'<th class="details">Details</th>' +
'</tr></thead>' +
'<tbody></tbody>' +
'</table>'
@ -486,11 +488,105 @@ HfdlMessagePanel.prototype.supportsMessage = function(message) {
HfdlMessagePanel.prototype.pushMessage = function(message) {
var $b = $(this.el).find('tbody');
var src = '';
var dst = '';
var details = JSON.stringify(message);
var renderAddress = function(a) {
return a['id'];
}
// TODO remove safety net once parsing is complete
try {
var payload = message['hfdl'];
if ('spdu' in payload) {
var spdu = payload['spdu'];
src = renderAddress(spdu['src']);
details = '<h4>HFDL Squitter message</h4>'
details += '<div>Systable version: ' + spdu['systable_version'] + '</div>';
if ('gs_status' in spdu) {
details += spdu['gs_status'].map(function(gs){
return '<div>Ground station ' + gs['gs']['id'] + ' is operating on frequency ids ' + gs['freqs'].map(function(f) {return f['id']; }).join(', ') + '</div>';
}).join('')
}
} else if ('lpdu' in payload) {
var lpdu = payload['lpdu'];
src = renderAddress(lpdu['src']);
dst = renderAddress(lpdu['dst']);
if (lpdu['type']['id'] === 13 || lpdu['type']['id'] === 29) {
// unnumbered data
var hfnpdu = lpdu['hfnpdu'];
if (hfnpdu['type']['id'] === 209) {
// performance data
details = '<h4>Performance data</h4>';
details += '<div>Flight: ' + hfnpdu['flight_id'] + '</div>';
if ('pos' in hfnpdu) {
var pos = hfnpdu['pos'];
var lat = pos['lat'] || 180;
var lon = pos['lon'] || 180;
if (Math.abs(lat) <= 90 && Math.abs(lon) <= 180) {
details += '<div>Position: ' + pos['lat'] + ', ' + pos['lon'] + '</div>';
}
}
} else if (hfnpdu['type']['id'] === 255) {
// enveloped data
if ('acars' in hfnpdu) {
var acars = hfnpdu['acars'];
details = '<h4>ACARS message</h4>';
details += '<div>Flight: ' + acars['flight'] + '</div>';
details += '<div>Registration: ' + acars['reg'] + '</div>';
details += '<div class="acars_message">' + acars['msg_text'] + '</div>';
}
}
} else if (lpdu['type']['id'] === 47) {
// logon denied
details = '<h4>Logon denied</h4>';
} else if (lpdu['type']['id'] === 63) {
details = '<h4>Logoff request</h4>';
if (lpdu['ac_info'] && lpdu['ac_info']['icao']) {
details += '<div>ICAO: ' + lpdu['ac_info']['icao'];
}
} else if (lpdu['type']['id'] === 79) {
details = '<h4>Logon resume</h4>';
if (lpdu['ac_info'] && lpdu['ac_info']['icao']) {
details += '<div>ICAO: ' + lpdu['ac_info']['icao'];
}
} else if (lpdu['type']['id'] === 95) {
details = '<h4>Logon resume confirmation</h4>';
} else if (lpdu['type']['id'] === 143) {
details = '<h4>Logon request</h4>';
if (lpdu['ac_info'] && lpdu['ac_info']['icao']) {
details += '<div>ICAO: ' + lpdu['ac_info']['icao'];
}
} else if (lpdu['type']['id'] === 159) {
details = '<h4>Logon confirmation</h4>';
if (lpdu['ac_info'] && lpdu['ac_info']['icao']) {
details += '<div>ICAO: ' + lpdu['ac_info']['icao'];
}
if (lpdu['assigned_ac_id']) {
details += '<div>Assigned aircraft ID: ' + lpdu['assigned_ac_id'] + '</div>';
}
} else if (lpdu['type']['id'] === 191) {
details = '<h4>Logon request (DLS)</h4>';
if (lpdu['ac_info'] && lpdu['ac_info']['icao']) {
details += '<div>ICAO: ' + lpdu['ac_info']['icao'];
}
}
}
} catch (e) {
console.error(e, e.stack);
}
$b.append($(
'<tr>' +
'<td class="todo">' + JSON.stringify(message) + '</td>' +
'<td class="source">' + src + '</td>' +
'<td class="destination">' + dst + '</td>' +
'<td class="details">' + details + '</td>' +
'</tr>'
));
this.scrollToBottom();
};
$.fn.hfdlMessagePanel = function() {