add reconnect for amqp

Author: EverettSummer

src/services/RabbitMQService.ts

@@ -98,23 +98,36 @@ export class RabbitMQService {
 
     private async connectAsync(): Promise<void> {
         this._connection = await connect(this._configManager.amqpServerUrl() || this._configManager.amqpConfig());
-        this._connection.on('close', () => {
+        this._connection.on('error', (error: any) => {
             if (this._connected) {
-                logger.warn('reconnect in 5 seconds');
-                this.connectAsync()
-                    .then(() => {
-                        logger.info('reconnect successfully');
-                    })
-                    .catch((err) => {
-                        capture(err);
-                        logger.error(err);
-                    });
+                capture(error);
+                this.reconnect();
+            }
+        });
+        this._connection.on('close', (error: any) => {
+            if (this._connected && error) {
+                capture(error);
+                this.reconnect();
             }
         })
         this._connected = true;
         await this.resendMessageInFailedQueue();
     }
 
+    private reconnect(): void {
+        logger.warn('reconnect in 5 seconds');
+        setTimeout(() => {
+            this.connectAsync()
+                .then(() => {
+                    logger.info('reconnect successfully');
+                })
+                .catch((err) => {
+                    capture(err);
+                    logger.error(err);
+                })
+        }, 5000);
+    };
+
     public async consume(queueName: string, onMessage: (msg: MQMessage) => Promise<boolean>): Promise<string> {
         const exchangeName = this._queues.get(queueName);
         const channel = this._channels.get(exchangeName);