ethstats-client/app.js

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var nodeModel = require('./lib/node');
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var node = new nodeModel();
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var gracefulShutdown = function() {
console.log("Received kill signal, shutting down gracefully.");
node.stop();
console.log("Closed node watcher");
setTimeout(function(){
console.log("Closed out remaining connections.");
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process.exit(0)
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}, 2*1000);
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}
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// listen for TERM signal .e.g. kill
process.on('SIGTERM', gracefulShutdown);
// listen for INT signal e.g. Ctrl-C
process.on('SIGINT', gracefulShutdown);
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// listen for shutdown signal from pm2
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process.on('message', function(msg) {
if (msg == 'shutdown')
gracefulShutdown();
});
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module.exports = node;