protevus/bin/prod.dart
2018-06-05 19:51:20 -04:00

50 lines
1.7 KiB
Dart

import 'dart:io' hide FileMode;
import 'dart:isolate';
import 'package:angel/angel.dart';
import 'package:angel_framework/angel_framework.dart';
import 'package:dart2_constant/io.dart';
import 'package:logging/logging.dart';
const String hostname = '127.0.0.1';
const int port = 3000;
void main() {
// Start a server instance in multiple isolates.
for (int id = 0; id < Platform.numberOfProcessors; id++)
Isolate.spawn(isolateMain, id);
isolateMain(Platform.numberOfProcessors);
}
void isolateMain(int id) {
var app = new Angel();
app.configure(configureServer).then((_) async {
// In production, we'll want to log errors to a file.
// Alternatives include sending logs to a service like Sentry.
app.logger = new Logger('angel')
..onRecord.listen((rec) {
if (rec.error != null) {
var err = rec.error;
if (err is AngelHttpException && err.statusCode != 500) return;
var now = new DateTime.now().toUtc();
var filename = 'server_log_' + now.toString() + '.txt';
var sink = new File(filename).openWrite(mode: FileMode.append);
sink
..writeln(rec.error)
..writeln(rec.stackTrace)
..close();
}
});
// Passing `startShared` to the constructor allows us to start multiple
// instances of our application concurrently, listening on a single port.
//
// This effectively lets us multi-thread the application.
var http = new AngelHttp.custom(app, startShared);
var server = await http.startServer(hostname, port);
print(
'Instance #$id listening at http://${server.address.address}:${server.port}');
});
}