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add health stats

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This commit is contained in:
Mark Nadal 2019-04-27 00:16:12 -07:00
parent e9fc38ddd1
commit 2071512b20
2 changed files with 44 additions and 0 deletions
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1
lib/server.js
View File

@ -17,6 +17,7 @@
require('./file'); require('./file');
require('./evict'); require('./evict');
require('./multicast'); require('./multicast');
require('./stats');
if('debug' === process.env.GUN_ENV){ require('./debug') } if('debug' === process.env.GUN_ENV){ require('./debug') }
module.exports = Gun; module.exports = Gun;
}()); }());

43
lib/stats.js Normal file
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@ -0,0 +1,43 @@
var Gun = (typeof window !== "undefined")? window.Gun : require('../gun');
Gun.on('opt', function(root){
this.to.next(root);
if(root.once){ return }
if(typeof process === 'undefined'){ return }
if(typeof require === 'undefined'){ return }
var noop = function(){};
var os = require('os') || {};
var fs = require('fs') || {};
fs.existsSync = fs.existsSync || require('path').existsSync;
if(!fs.existsSync){ return }
if(!process){ return }
process.uptime = process.uptime || noop;
process.cpuUsage = process.cpuUsage || noop;
process.memoryUsage = process.memoryUsage || noop;
os.totalmem = os.totalmem || noop;
os.freemem = os.freemem || noop;
os.loadavg = os.loadavg || noop;
os.cpus = os.cpus || noop;
setTimeout(function(){
root.stats = Gun.obj.ify((fs.existsSync(__dirname+'/../stats.'+root.opt.file) && fs.readFileSync(__dirname+'/../stats.'+root.opt.file).toString())) || {};
root.stats.up = root.stats.up || {};
root.stats.up.start = root.stats.up.start || +(new Date);
root.stats.up.count = (root.stats.up.count || 0) + 1;
},1);
setInterval(function(){
if(!root.stats){ return }
var stats = root.stats, tmp;
(stats.up||{}).time = process.uptime();
stats.memory = process.memoryUsage() || {};
stats.memory.totalmem = os.totalmem();
stats.memory.freemem = os.freemem();
stats.cpu = process.cpuUsage() || {};
stats.cpu.loadavg = os.loadavg();
stats.peers = {};
stats.peers.count = Object.keys(root.opt.peers||{}).length;
stats.node = {};
stats.node.count = Object.keys(root.graph||{}).length;
fs.writeFile(__dirname+'/../stats.'+root.opt.file, JSON.stringify(stats, null, 2), function(err){});
}, 1000 * 15);
Object.keys = Object.keys || function(o){ return Gun.obj.map(o, function(v,k,t){t(k)}) }
});