ethstats-client/app.js

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JavaScript
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'use strict';
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var nodeModel = require('./lib/node');
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var node = new nodeModel();
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var gracefulShutdown = function() {
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console.warn("Received kill signal, shutting down gracefully.");
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node.stop();
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console.info("Closed node watcher");
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setTimeout(function(){
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console.info("Closed out remaining connections.");
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process.exit(0);
}, 5*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;