76 lines
1.8 KiB
JavaScript
76 lines
1.8 KiB
JavaScript
// This was functionality of script.js, moved it to here to start the downloading of track history earlier
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"use strict";
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var Dump1090Version = "unknown version";
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var RefreshInterval = 1000;
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var enable_uat = false;
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var HistoryChunks = false;
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var nHistoryItems = 0;
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var PositionHistoryBuffer = [];
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var receiverJson;
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var deferHistory = [];
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var configureReceiver = $.Deferred();
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// get configuration json files, will be used in initialize function
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var get_receiver_defer = $.ajax({ url: 'data/receiver.json',
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timeout: 5000,
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cache: false,
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dataType: 'json'
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});
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var test_chunk_defer = $.ajax({
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url:'chunks/chunks.json',
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timeout: 3000,
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cache: false,
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dataType: 'json'
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});
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$.when(get_receiver_defer).done(function(data){
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receiverJson = data;
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Dump1090Version = data.version;
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RefreshInterval = data.refresh;
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nHistoryItems = data.history;
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$.when(test_chunk_defer).done(function(data) {
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HistoryChunks = true;
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nHistoryItems = data.chunks;
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enable_uat = (data.enable_uat == "true");
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if (enable_uat)
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console.log("UAT/978 enabled!");
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console.log("Chunks enabled");
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get_history();
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}).fail(function() {
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HistoryChunks = false;
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get_history();
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});
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});
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function get_history() {
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if (nHistoryItems > 0) {
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console.log("Starting to load history (" + nHistoryItems + " items)");
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console.time("Downloaded History");
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// Queue up the history file downloads
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for (var i = 0; i < nHistoryItems; i++) {
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get_history_item(i);
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}
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}
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configureReceiver.resolve();
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}
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function get_history_item(i) {
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if (HistoryChunks) {
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deferHistory[i] = $.ajax({ url: 'chunks/chunk_' + i + '.gz',
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timeout: nHistoryItems * 4000, // Allow 4s load time per history chunk
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dataType: 'json'
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});
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} else {
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deferHistory[i] = $.ajax({ url: 'data/history_' + i + '.json',
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timeout: nHistoryItems * 120, // Allow 40 ms load time per history entry
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cache: false,
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dataType: 'json' });
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}
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}
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