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var os = require("os");
var db = require('../../db/DB');
var stats = require('ep_etherpad-lite/node/stats')
exports.onShutdown = false;
exports.gracefulShutdown = function(err) {
if(err && err.stack) {
console.error(err.stack);
} else if(err) {
console.error(err);
}
//ensure there is only one graceful shutdown running
if(exports.onShutdown) return;
exports.onShutdown = true;
console.log("graceful shutdown...");
//do the db shutdown
db.db.doShutdown(function() {
console.log("db sucessfully closed.");
process.exit(0);
});
setTimeout(function(){
process.exit(1);
}, 3000);
}
process.on('uncaughtException', exports.gracefulShutdown);
exports.expressCreateServer = function (hook_name, args, cb) {
exports.app = args.app;
// Handle errors
args.app.use(function(err, req, res, next){
// if an error occurs Connect will pass it down
// through these "error-handling" middleware
// allowing you to respond however you like
res.status(500).send({ error: 'Sorry, something bad happened!' });
console.error(err.stack? err.stack : err.toString());
stats.meter('http500').mark()
})
//connect graceful shutdown with sigint and uncaughtexception
if(os.type().indexOf("Windows") == -1) {
//sigint is so far not working on windows
//https://github.com/joyent/node/issues/1553
process.on('SIGINT', exports.gracefulShutdown);
}
}
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