From aaff3b818317c8cf152788ce11b65dad7c6f4721 Mon Sep 17 00:00:00 2001 From: the Date: Wed, 23 Oct 2024 14:11:04 +0400 Subject: [PATCH] Lab4 --- .../Sample Program/publisher.py | 25 +++++++++++++++++ .../Sample Program/receiver.py | 24 +++++++++++++++++ .../Sample Program/receiver_delay.py | 27 +++++++++++++++++++ bogdanov_dmitry_lab_4/Tutorial 1/receive.py | 25 +++++++++++++++++ bogdanov_dmitry_lab_4/Tutorial 1/send.py | 13 +++++++++ bogdanov_dmitry_lab_4/Tutorial 2/new_task.py | 19 +++++++++++++ bogdanov_dmitry_lab_4/Tutorial 2/worker.py | 22 +++++++++++++++ bogdanov_dmitry_lab_4/Tutorial 3/emit_log.py | 13 +++++++++ .../Tutorial 3/receive_logs.py | 22 +++++++++++++++ 9 files changed, 190 insertions(+) create mode 100644 bogdanov_dmitry_lab_4/Sample Program/publisher.py create mode 100644 bogdanov_dmitry_lab_4/Sample Program/receiver.py create mode 100644 bogdanov_dmitry_lab_4/Sample Program/receiver_delay.py create mode 100644 bogdanov_dmitry_lab_4/Tutorial 1/receive.py create mode 100644 bogdanov_dmitry_lab_4/Tutorial 1/send.py create mode 100644 bogdanov_dmitry_lab_4/Tutorial 2/new_task.py create mode 100644 bogdanov_dmitry_lab_4/Tutorial 2/worker.py create mode 100644 bogdanov_dmitry_lab_4/Tutorial 3/emit_log.py create mode 100644 bogdanov_dmitry_lab_4/Tutorial 3/receive_logs.py diff --git a/bogdanov_dmitry_lab_4/Sample Program/publisher.py b/bogdanov_dmitry_lab_4/Sample Program/publisher.py new file mode 100644 index 0000000..9d85842 --- /dev/null +++ b/bogdanov_dmitry_lab_4/Sample Program/publisher.py @@ -0,0 +1,25 @@ +import pika +import time + +def publish_events(): + connection = pika.BlockingConnection(pika.ConnectionParameters(host='localhost')) + channel = connection.channel() + + channel.exchange_declare(exchange='greenhouse_events', exchange_type='fanout') + + events = [ + "Влажность превысила верхнюю границу", + "Влажность упала за нижнюю границу", + "Полив начат", + "Полив остановлен" + ] + + while True: + event = events[int(time.time()) % len(events)] + channel.basic_publish(exchange='greenhouse_events', routing_key='', body=event) + print(f'Отправлено: {event}') + time.sleep(1) + + +if __name__ == "__main__": + publish_events() diff --git a/bogdanov_dmitry_lab_4/Sample Program/receiver.py b/bogdanov_dmitry_lab_4/Sample Program/receiver.py new file mode 100644 index 0000000..1b894e3 --- /dev/null +++ b/bogdanov_dmitry_lab_4/Sample Program/receiver.py @@ -0,0 +1,24 @@ +import pika + + +def callback(ch, method, properties, body): + print(f'Receiver 2: получено сообщение. {body.decode()}') + + print('Receiver 2 закончил обработку') + + +def consume_events_1(): + connection = pika.BlockingConnection(pika.ConnectionParameters(host='localhost')) + channel = connection.channel() + + channel.queue_declare(queue='receiver2_queue') + channel.queue_bind(exchange='greenhouse_events', queue='receiver2_queue') + + channel.basic_consume(queue='receiver2_queue', on_message_callback=callback, auto_ack=True) + + print('Ожидание сообщения...') + channel.start_consuming() + + +if __name__ == "__main__": + consume_events_1() diff --git a/bogdanov_dmitry_lab_4/Sample Program/receiver_delay.py b/bogdanov_dmitry_lab_4/Sample Program/receiver_delay.py new file mode 100644 index 0000000..6ee0433 --- /dev/null +++ b/bogdanov_dmitry_lab_4/Sample Program/receiver_delay.py @@ -0,0 +1,27 @@ +import pika +import time + + +def callback(ch, method, properties, body): + print(f'Receiver 1: получено сообщение. {body.decode()}') + + time.sleep(2) + + print('Receiver 1 закончил обработку') + + +def consume_events_1(): + connection = pika.BlockingConnection(pika.ConnectionParameters(host='localhost')) + channel = connection.channel() + + channel.queue_declare(queue='receiver1_queue') + channel.queue_bind(exchange='greenhouse_events', queue='receiver1_queue') + + channel.basic_consume(queue='receiver1_queue', on_message_callback=callback, auto_ack=True) + + print('Ожидание сообщения...') + channel.start_consuming() + + +if __name__ == "__main__": + consume_events_1() diff --git a/bogdanov_dmitry_lab_4/Tutorial 1/receive.py b/bogdanov_dmitry_lab_4/Tutorial 1/receive.py new file mode 100644 index 0000000..309b0e7 --- /dev/null +++ b/bogdanov_dmitry_lab_4/Tutorial 1/receive.py @@ -0,0 +1,25 @@ +import pika, sys, os + +def main(): + connection = pika.BlockingConnection(pika.ConnectionParameters(host='localhost')) + channel = connection.channel() + + channel.queue_declare(queue='hello') + + def callback(ch, method, properties, body): + print(f" [x] Received {body}") + + channel.basic_consume(queue='hello', on_message_callback=callback, auto_ack=True) + + print(' [*] Waiting for messages. To exit press CTRL+C') + channel.start_consuming() + +if __name__ == '__main__': + try: + main() + except KeyboardInterrupt: + print('Interrupted') + try: + sys.exit(0) + except SystemExit: + os._exit(0) diff --git a/bogdanov_dmitry_lab_4/Tutorial 1/send.py b/bogdanov_dmitry_lab_4/Tutorial 1/send.py new file mode 100644 index 0000000..6b15dc8 --- /dev/null +++ b/bogdanov_dmitry_lab_4/Tutorial 1/send.py @@ -0,0 +1,13 @@ +import pika + +connection = pika.BlockingConnection(pika.ConnectionParameters('localhost')) +channel = connection.channel() + +channel.queue_declare('hello') + +channel.basic_publish(exchange='', + routing_key='hello', + body='Hello world!') +print(" [x] Sent 'Hello world!'") + +connection.close() \ No newline at end of file diff --git a/bogdanov_dmitry_lab_4/Tutorial 2/new_task.py b/bogdanov_dmitry_lab_4/Tutorial 2/new_task.py new file mode 100644 index 0000000..a2444e0 --- /dev/null +++ b/bogdanov_dmitry_lab_4/Tutorial 2/new_task.py @@ -0,0 +1,19 @@ +import pika +import sys + +connection = pika.BlockingConnection( + pika.ConnectionParameters(host='localhost')) +channel = connection.channel() + +channel.queue_declare(queue='task_queue', durable=True) + +message = ' '.join(sys.argv[1:]) or "Hello World!" +channel.basic_publish( + exchange='', + routing_key='task_queue', + body=message, + properties=pika.BasicProperties( + delivery_mode=pika.DeliveryMode.Persistent + )) +print(f" [x] Sent {message}") +connection.close() \ No newline at end of file diff --git a/bogdanov_dmitry_lab_4/Tutorial 2/worker.py b/bogdanov_dmitry_lab_4/Tutorial 2/worker.py new file mode 100644 index 0000000..8f8ab64 --- /dev/null +++ b/bogdanov_dmitry_lab_4/Tutorial 2/worker.py @@ -0,0 +1,22 @@ +import pika +import time + +connection = pika.BlockingConnection( + pika.ConnectionParameters(host='localhost')) +channel = connection.channel() + +channel.queue_declare(queue='task_queue', durable=True) +print(' [*] Waiting for messages. To exit press CTRL+C') + + +def callback(ch, method, properties, body): + print(f" [x] Received {body.decode()}") + time.sleep(body.count(b'.')) + print(" [x] Done") + ch.basic_ack(delivery_tag=method.delivery_tag) + + +channel.basic_qos(prefetch_count=1) +channel.basic_consume(queue='task_queue', on_message_callback=callback) + +channel.start_consuming() \ No newline at end of file diff --git a/bogdanov_dmitry_lab_4/Tutorial 3/emit_log.py b/bogdanov_dmitry_lab_4/Tutorial 3/emit_log.py new file mode 100644 index 0000000..45b6989 --- /dev/null +++ b/bogdanov_dmitry_lab_4/Tutorial 3/emit_log.py @@ -0,0 +1,13 @@ +import pika +import sys + +connection = pika.BlockingConnection( + pika.ConnectionParameters(host='localhost')) +channel = connection.channel() + +channel.exchange_declare(exchange='logs', exchange_type='fanout') + +message = ' '.join(sys.argv[1:]) or "info: Hello World!" +channel.basic_publish(exchange='logs', routing_key='', body=message) +print(f" [x] Sent {message}") +connection.close() \ No newline at end of file diff --git a/bogdanov_dmitry_lab_4/Tutorial 3/receive_logs.py b/bogdanov_dmitry_lab_4/Tutorial 3/receive_logs.py new file mode 100644 index 0000000..60d881d --- /dev/null +++ b/bogdanov_dmitry_lab_4/Tutorial 3/receive_logs.py @@ -0,0 +1,22 @@ +import pika + +connection = pika.BlockingConnection( + pika.ConnectionParameters(host='localhost')) +channel = connection.channel() + +channel.exchange_declare(exchange='logs', exchange_type='fanout') + +result = channel.queue_declare(queue='', exclusive=True) +queue_name = result.method.queue + +channel.queue_bind(exchange='logs', queue=queue_name) + +print(' [*] Waiting for logs. To exit press CTRL+C') + +def callback(ch, method, properties, body): + print(f" [x] {body}") + +channel.basic_consume( + queue=queue_name, on_message_callback=callback, auto_ack=True) + +channel.start_consuming() \ No newline at end of file