60 lines
1.7 KiB
JavaScript
60 lines
1.7 KiB
JavaScript
|
|
var Gun = require('./index');
|
|
Gun.Mesh = require('./mesh');
|
|
|
|
// TODO: resync upon reconnect online/offline
|
|
//window.ononline = window.onoffline = function(){ console.log('online?', navigator.onLine) }
|
|
|
|
Gun.on('opt', function(root){
|
|
this.to.next(root);
|
|
if(root.once){ return }
|
|
var opt = root.opt;
|
|
if(false === opt.WebSocket){ return }
|
|
|
|
var env = Gun.window || {};
|
|
var websocket = opt.WebSocket || env.WebSocket || env.webkitWebSocket || env.mozWebSocket;
|
|
if(!websocket){ return }
|
|
opt.WebSocket = websocket;
|
|
|
|
var mesh = opt.mesh = opt.mesh || Gun.Mesh(root);
|
|
|
|
var wire = mesh.wire || opt.wire;
|
|
mesh.wire = opt.wire = open;
|
|
function open(peer){ try{
|
|
if(!peer || !peer.url){ return wire && wire(peer) }
|
|
var url = peer.url.replace(/^http/, 'ws');
|
|
var wire = peer.wire = new opt.WebSocket(url);
|
|
wire.onclose = function(){
|
|
reconnect(peer);
|
|
opt.mesh.bye(peer);
|
|
};
|
|
wire.onerror = function(err){
|
|
reconnect(peer);
|
|
};
|
|
wire.onopen = function(){
|
|
opt.mesh.hi(peer);
|
|
}
|
|
wire.onmessage = function(msg){
|
|
if(!msg){ return }
|
|
opt.mesh.hear(msg.data || msg, peer);
|
|
};
|
|
return wire;
|
|
}catch(e){ opt.mesh.bye(peer) }}
|
|
|
|
setTimeout(function(){ !opt.super && root.on('out', {dam:'hi'}) },1); // it can take a while to open a socket, so maybe no longer lazy load for perf reasons?
|
|
|
|
var wait = 2 * 999;
|
|
function reconnect(peer){
|
|
clearTimeout(peer.defer);
|
|
if(!opt.peers[peer.url]){ return }
|
|
if(doc && peer.retry <= 0){ return }
|
|
peer.retry = (peer.retry || opt.retry+1 || 60) - ((-peer.tried + (peer.tried = +new Date) < wait*4)?1:0);
|
|
peer.defer = setTimeout(function to(){
|
|
if(doc && doc.hidden){ return setTimeout(to,wait) }
|
|
open(peer);
|
|
}, wait);
|
|
}
|
|
var doc = (''+u !== typeof document) && document;
|
|
});
|
|
var noop = function(){}, u;
|
|
|