AFG/dump1090
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Display message rate (30 sec average) on the webmap.

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(cherry picked from commit 848af78be685c6e2a26d0b30e9f385696201a2c4)
This commit is contained in:
Oliver Jowett 2015-01-13 19:10:55 +00:00
parent 41d8a79041
commit 72bfc31458
6 changed files with 41 additions and 4 deletions
public_html
script.js

29
public_html/script.js
View file

@ -36,6 +36,8 @@ var LastReceiverTimestamp = null;
var StaleReceiverCount = 0;
var FetchPending = null;
var MessageCountHistory = [];
var NBSP='\u00a0';
var DEGREES='\u00b0'
@ -53,6 +55,19 @@ function fetchData() {
// Loop through all the planes in the data packet
var now = data.now;
var acs = data.aircraft;
// Detect stats reset
if (MessageCountHistory.length > 0 && MessageCountHistory[MessageCountHistory.length-1].messages > data.messages) {
MessageCountHistory = [{'time' : MessageCountHistory[MessageCountHistory.length-1].time,
'messages' : 0}];
}
// Note the message count in the history
MessageCountHistory.push({ 'time' : now, 'messages' : data.messages});
// .. and clean up any old values
if ((now - MessageCountHistory[0].time) > 30)
MessageCountHistory.shift();
for (var j=0; j < acs.length; j++) {
var ac = acs[j];
var hex = ac.hex;
@ -460,6 +475,20 @@ function refreshSelected() {
$('#dump1090_total_ac').text(TrackedAircraft);
$('#dump1090_total_ac_positions').text(TrackedAircraftPositions);
$('#dump1090_total_history').text(TrackedHistorySize);
var message_rate = null;
if (MessageCountHistory.length > 1) {
var message_time_delta = MessageCountHistory[MessageCountHistory.length-1].time - MessageCountHistory[0].time;
var message_count_delta = MessageCountHistory[MessageCountHistory.length-1].messages - MessageCountHistory[0].messages;
if (message_time_delta > 0)
message_rate = message_count_delta / message_time_delta;
}
if (message_rate !== null)
$('#dump1090_message_rate').text(message_rate.toFixed(1));
else
$('#dump1090_message_rate').text("n/a");
return;
}