code: function sumOnLinePeers() {
  	let nowTime = Date.now();
  	assocOnlinePeers = {};
  	Object.keys(assocAllOutBoundPeers).forEach(function(curUrl){    
  		var curPeers = assocAllOutBoundPeers[curUrl];   
  		if(nowTime - parseInt(curPeers.time) < 3 * 60 * 1000){
  			for (var j=0; j<curPeers.peers.length; j++){
                  if(assocOnlinePeers[curPeers.peers[j]]) 
  					assocOnlinePeers[curPeers.peers[j]]++;
  				else
  					assocOnlinePeers[curPeers.peers[j]] = 1;
              }
  		}       
      }); 
  }
docs: Summary online peers