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phorge/support/aphlict/server/aphlict_server.js
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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 args = {
test: false,
debug: false,
config: null
};
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 args)) {
throw new Error('Unknown argument "' + matches[1] + '"!');
}
args[matches[1]] = matches[2];
}
return args;
}
function parse_config(args) {
var data = fs.readFileSync(args.config);
return JSON.parse(data);
}
require('./lib/AphlictLog');
var debug = new JX.AphlictLog();
var args = parse_command_line_arguments(process.argv);
var config = parse_config(args);
if (args.test || args.debug) {
debug.addConsole(console);
debug.setTrace(true);
}
function set_exit_code(code) {
process.on('exit', function() {
process.exit(code);
});
}
process.on('uncaughtException', function(err) {
var context = null;
if (err.code == 'EACCES') {
context = util.format(
'Unable to open file ("%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);
});
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');
require('./lib/AphlictPeerList');
require('./lib/AphlictPeer');
var ii;
var logs = config.logs || [];
for (ii = 0; ii < logs.length; ii++) {
debug.addLog(logs[ii].path);
}
var servers = [];
for (ii = 0; ii < config.servers.length; ii++) {
var spec = config.servers[ii];
spec.listen = spec.listen || '0.0.0.0';
if (spec['ssl.key']) {
spec['ssl.key'] = fs.readFileSync(spec['ssl.key']);
}
if (spec['ssl.cert']){
spec['ssl.cert'] = fs.readFileSync(spec['ssl.cert']);
if (spec['ssl.chain']){
spec['ssl.cert'] += "\n" + fs.readFileSync(spec['ssl.chain']);
}
}
servers.push(spec);
}
// If we're just doing a configuration test, exit here before starting any
// servers.
if (args.test) {
debug.log('Configuration test OK.');
set_exit_code(0);
return;
}
debug.log('Starting servers (service PID %d).', process.pid);
for (ii = 0; ii < logs.length; ii++) {
debug.log('Logging to "%s".', logs[ii].path);
}
var aphlict_servers = [];
var aphlict_clients = [];
var aphlict_admins = [];
for (ii = 0; ii < servers.length; ii++) {
var server = servers[ii];
var is_client = (server.type == 'client');
var http_server;
if (server['ssl.key']) {
var https_config = {
key: server['ssl.key'],
cert: server['ssl.cert'],
};
http_server = https.createServer(https_config);
} else {
http_server = http.createServer();
}
var aphlict_server;
if (is_client) {
aphlict_server = new JX.AphlictClientServer(http_server);
} else {
aphlict_server = new JX.AphlictAdminServer(http_server);
}
aphlict_server.setLogger(debug);
aphlict_server.listen(server.port, server.listen);
debug.log(
'Started %s server (Port %d, %s).',
server.type,
server.port,
server['ssl.key'] ? 'With SSL' : 'No SSL');
aphlict_servers.push(aphlict_server);
if (is_client) {
aphlict_clients.push(aphlict_server);
} else {
aphlict_admins.push(aphlict_server);
}
}
var peer_list = new JX.AphlictPeerList();
debug.log(
'This server has fingerprint "%s".',
peer_list.getFingerprint());
var cluster = config.cluster || [];
for (ii = 0; ii < cluster.length; ii++) {
var peer = cluster[ii];
var peer_client = new JX.AphlictPeer()
.setHost(peer.host)
.setPort(peer.port)
.setProtocol(peer.protocol);
peer_list.addPeer(peer_client);
}
for (ii = 0; ii < aphlict_admins.length; ii++) {
var admin_server = aphlict_admins[ii];
admin_server.setClientServers(aphlict_clients);
admin_server.setPeerList(peer_list);
}
for (ii = 0; ii < aphlict_clients.length; ii++) {
var client_server = aphlict_clients[ii];
client_server.setAdminServers(aphlict_admins);
}

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