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Pika-Queue-API.py
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Pika-Queue-API.py
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from flask import Flask, request, jsonify
import pika
import threading
app = Flask(__name__)
# Conexión con RabbitMQ
connection = pika.BlockingConnection(pika.ConnectionParameters('localhost'))
channel = connection.channel()
# Declaramos la cola
channel.queue_declare(queue='api_queue', durable=True)
def process_request(ch, method, properties, body):
print("Received message:", body)
# Simulamos un proceso que toma tiempo
import time
time.sleep(5)
print("Request processed")
ch.basic_ack(delivery_tag=method.delivery_tag)
@app.route('/api', methods=['POST'])
def api():
# Enviamos el mensaje a RabbitMQ
channel.basic_publish(exchange='',
routing_key='api_queue',
body=request.get_data(),
properties=pika.BasicProperties(
delivery_mode=2 # make message persistent
))
return jsonify({'message': 'Request received and queued'})
def start_consuming():
channel.basic_qos(prefetch_count=3) # Permitir solo 3 mensajes sin confirmar
channel.basic_consume(queue='api_queue', on_message_callback=process_request)
channel.start_consuming()
if __name__ == '__main__':
# Iniciamos un hilo para consumir los mensajes de RabbitMQ
threading.Thread(target=start_consuming, daemon=True).start()
# Iniciamos el servidor Flask
app.run(debug=True)