46 lines
1.2 KiB
Dart
46 lines
1.2 KiB
Dart
import 'dart:async';
|
|
import 'dart:developer';
|
|
|
|
import 'package:angel3_mq/mq.dart';
|
|
|
|
class ServiceTwo with ConsumerMixin {
|
|
ServiceTwo() {
|
|
MQClient.instance.declareExchange(
|
|
exchangeName: 'ServiceRPC',
|
|
exchangeType: ExchangeType.direct,
|
|
);
|
|
_queueName = MQClient.instance.declareQueue('two');
|
|
}
|
|
|
|
late final String _queueName;
|
|
|
|
Future<void> startListening() async {
|
|
MQClient.instance.bindQueue(
|
|
queueId: _queueName,
|
|
exchangeName: 'ServiceRPC',
|
|
bindingKey: 'rpcBinding',
|
|
);
|
|
subscribe(
|
|
queueId: _queueName,
|
|
callback: (Message message) async {
|
|
log('Service Two got message $message\n');
|
|
if (message.headers['type'] == 'RPC') {
|
|
switch (message.headers['processId']) {
|
|
case 'foo':
|
|
final data = await foo();
|
|
final Completer completer =
|
|
message.headers['completer'] ?? (throw Exception());
|
|
completer.complete(data);
|
|
default:
|
|
}
|
|
}
|
|
},
|
|
);
|
|
}
|
|
|
|
Future<String> foo() async {
|
|
// log('Service Two bar\n');
|
|
await Future.delayed(const Duration(seconds: 2));
|
|
return 'Hello, world!';
|
|
}
|
|
}
|