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daemon.js
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daemon.js
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// Generated by CoffeeScript 1.3.3
(function() {
var Daemon, DnsServer, EventEmitter, HttpServer, fs, path,
__bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; },
__hasProp = {}.hasOwnProperty,
__extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
EventEmitter = require("events").EventEmitter;
HttpServer = require("./http_server");
DnsServer = require("./dns_server");
fs = require("fs");
path = require("path");
module.exports = Daemon = (function(_super) {
__extends(Daemon, _super);
function Daemon(configuration) {
var hostRoot,
_this = this;
this.configuration = configuration;
this.stop = __bind(this.stop, this);
this.hostRootChanged = __bind(this.hostRootChanged, this);
this.httpServer = new HttpServer(this.configuration);
this.dnsServer = new DnsServer(this.configuration);
process.on("SIGINT", this.stop);
process.on("SIGTERM", this.stop);
process.on("SIGQUIT", this.stop);
hostRoot = this.configuration.hostRoot;
this.restartFilename = path.join(hostRoot, "restart.txt");
this.on("start", function() {
return _this.watcher = fs.watch(hostRoot, {
persistent: false
}, _this.hostRootChanged);
});
this.on("close", function() {
var _ref;
return (_ref = _this.watcher) != null ? _ref.close() : void 0;
});
}
Daemon.prototype.hostRootChanged = function() {
var _this = this;
return path.exists(this.restartFilename, function(exists) {
if (exists) {
return _this.restart();
}
});
};
Daemon.prototype.restart = function() {
var _this = this;
return fs.unlink(this.restartFilename, function(err) {
if (!err) {
return _this.emit("restart");
}
});
};
Daemon.prototype.start = function() {
var dnsPort, flunk, httpPort, pass, startServer, _ref,
_this = this;
if (this.starting || this.started) {
return;
}
this.starting = true;
startServer = function(server, port, callback) {
return process.nextTick(function() {
try {
server.on('error', callback);
server.once('listening', function() {
server.removeListener('error', callback);
return callback();
});
return server.listen(port);
} catch (err) {
return callback(err);
}
});
};
pass = function() {
_this.starting = false;
_this.started = true;
return _this.emit("start");
};
flunk = function(err) {
_this.starting = false;
try {
_this.httpServer.close();
} catch (_error) {}
try {
_this.dnsServer.close();
} catch (_error) {}
return _this.emit("error", err);
};
_ref = this.configuration, httpPort = _ref.httpPort, dnsPort = _ref.dnsPort;
return startServer(this.httpServer, httpPort, function(err) {
if (err) {
return flunk(err);
} else {
return startServer(_this.dnsServer, dnsPort, function(err) {
if (err) {
return flunk(err);
} else {
return pass();
}
});
}
});
};
Daemon.prototype.stop = function() {
var stopServer,
_this = this;
if (this.stopping || !this.started) {
return;
}
this.stopping = true;
stopServer = function(server, callback) {
return process.nextTick(function() {
var close;
try {
close = function() {
server.removeListener("close", close);
return callback(null);
};
server.on("close", close);
return server.close();
} catch (err) {
return callback(err);
}
});
};
return stopServer(this.httpServer, function() {
return stopServer(_this.dnsServer, function() {
_this.stopping = false;
_this.started = false;
return _this.emit("stop");
});
});
};
return Daemon;
})(EventEmitter);
}).call(this);