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25 lines
1013 B
JavaScript
25 lines
1013 B
JavaScript
Gun.on('opt').event(function(gun, opt){
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if(!Gun.request){ return }
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var objectiveTimeOffset = 0;
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Gun.obj.map(opt.peers || gun.__.opt.peers, function(peer, url){
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var NTS = {};
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NTS.start = Gun.time.is();
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console.log(url + '.nts');
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Gun.request(url + '.nts', null, function(err, reply){
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console.log("reply", err, reply);
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if(err || !reply || !reply.body){
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return console.log("Network Time Synchronization not supported", err, (reply || {}).body);
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}
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NTS.end = Gun.time.is();
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NTS.latency = (NTS.end - NTS.start)/2;
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if(Gun.obj.has(reply.body, 'time')){ return }
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NTS.calc = reply.body.time + NTS.latency;
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objectiveTimeOffset += (objectiveTimeOffset - NTS.calc)/2;
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console.log('NTS', NTS.latency, NTS.calc, objectiveTimeOffset);
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}, {});
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});
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});
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// You need to figure out how to make me write tests for this!
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// maybe we can do human based testing where we load a HTML that just
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// prints out in BIG FONT the objectiveTime it thinks it is
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// and we open it up on a couple devices.
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