primer cambio

node_modules/amqplib/examples/stream_queues/receive_stream.js

@@ -0,0 +1,55 @@
+const amqp = require('amqplib');
+
+(async () => {
+    try {
+        const connection = await amqp.connect('amqp://localhost');
+        process.once('SIGINT', connection.close);
+
+        const channel = await connection.createChannel();
+        const queue = 'my_first_stream';
+
+        // Define the queue stream
+        // Mandatory: exclusive: false, durable: true  autoDelete: false
+        await channel.assertQueue(queue, {
+            exclusive: false,
+            durable: true,
+            autoDelete: false,
+            arguments: {
+                'x-queue-type': 'stream',  // Mandatory to define stream queue
+                'x-max-length-bytes': 2_000_000_000  // Set the queue retention to 2GB else the stream doesn't have any limit
+            }
+        });
+
+        channel.qos(100);  // This is mandatory
+
+        channel.consume(queue, (msg) => {
+            console.log(" [x] Received '%s'", msg.content.toString());
+            channel.ack(msg);  // Mandatory
+        }, {
+            noAck: false,
+            arguments: {
+                /*
+                    Here you can specify the offset: : first, last, next, offset, timestamp and interval, i.e.
+
+                    'x-stream-offset': 'first'
+                    'x-stream-offset': 'last'
+                    'x-stream-offset': 'next'
+                    'x-stream-offset': 5
+                    'x-stream-offset': { '!': 'timestamp', value: 1686519750 }
+                    'x-stream-offset': '1h'
+
+                    The timestamp must be the desired number of seconds since 00:00:00 UTC, 1970-01-01
+                    The interval units can be Y, M, D, h, m, s
+
+                */
+                'x-stream-offset': 'first'
+            }
+        });
+
+        console.log(' [*] Waiting for messages. To exit press CTRL+C');
+    }
+    // Catch and display any errors in the console
+    catch(e) {
+        console.log(e)
+    }
+})();