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phorge-phorge/support/aphlict/server/aphlict_server.js

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'use strict';
var JX = require('./lib/javelin').JX;
var http = require('http');
var https = require('https');
var util = require('util');
var fs = require('fs');
function parse_command_line_arguments(argv) {
var config = {
'client-port': 22280,
'admin-port': 22281,
'client-host': '0.0.0.0',
'admin-host': '127.0.0.1',
log: '/var/log/aphlict.log',
'ssl-key': null,
'ssl-cert': null,
test: false
};
for (var ii = 2; ii < argv.length; ii++) {
var arg = argv[ii];
var matches = arg.match(/^--([^=]+)=(.*)$/);
if (!matches) {
throw new Error('Unknown argument "' + arg + '"!');
}
if (!(matches[1] in config)) {
throw new Error('Unknown argument "' + matches[1] + '"!');
}
config[matches[1]] = matches[2];
}
config['client-port'] = parseInt(config['client-port'], 10);
config['admin-port'] = parseInt(config['admin-port'], 10);
return config;
}
require('./lib/AphlictLog');
var debug = new JX.AphlictLog()
.addConsole(console);
var config = parse_command_line_arguments(process.argv);
function set_exit_code(code) {
process.on('exit', function() {
process.exit(code);
});
}
process.on('uncaughtException', function(err) {
var context = null;
if (err.code == 'EACCES' && err.path == config.log) {
context = util.format(
'Unable to open logfile ("%s"). Check that permissions are set ' +
'correctly.',
err.path);
}
var message = [
'\n<<< UNCAUGHT EXCEPTION! >>>',
];
if (context) {
message.push(context);
}
message.push(err.stack);
debug.log(message.join('\n\n'));
set_exit_code(1);
});
// Add the logfile so we'll fail if we can't write to it.
if (config.log) {
debug.addLog(config.log);
}
try {
require('ws');
} catch (ex) {
throw new Error(
'You need to install the Node.js "ws" module for websocket support. ' +
'See "Notifications User Guide: Setup and Configuration" in the ' +
'documentation for instructions. ' + ex.toString());
}
// NOTE: Require these only after checking for the "ws" module, since they
// depend on it.
require('./lib/AphlictAdminServer');
require('./lib/AphlictClientServer');
var ssl_config = {
enabled: (config['ssl-key'] || config['ssl-cert'])
};
// Load the SSL certificates (if any were provided) now, so that runs with
// `--test` will see any errors.
if (ssl_config.enabled) {
ssl_config.key = fs.readFileSync(config['ssl-key']);
ssl_config.cert = fs.readFileSync(config['ssl-cert']);
}
// If we're just doing a configuration test, exit here before starting any
// servers.
if (config.test) {
debug.log('Configuration test OK.');
set_exit_code(0);
return;
}
var server;
if (ssl_config.enabled) {
server = https.createServer({
key: ssl_config.key,
cert: ssl_config.cert
}, function(req, res) {
res.writeHead(501);
res.end('HTTP/501 Use Websockets\n');
});
} else {
server = http.createServer(function() {});
}
var client_server = new JX.AphlictClientServer(server);
var admin_server = new JX.AphlictAdminServer();
client_server.setLogger(debug);
admin_server.setLogger(debug);
admin_server.setClientServer(client_server);
client_server.listen(config['client-port'], config['client-host']);
admin_server.listen(config['admin-port'], config['admin-host']);
debug.log('Started Server (PID %d)', process.pid);