diff --git a/tsukanova_irina_lab_4/Consumer_1.py b/tsukanova_irina_lab_4/Consumer_1.py new file mode 100644 index 0000000..3e1f1a0 --- /dev/null +++ b/tsukanova_irina_lab_4/Consumer_1.py @@ -0,0 +1,28 @@ +import random +import time +import pika + +queue_name = 'queue_1' +exchange = 'logs' + + +def callback(ch, method, properties, body): + print(f" [Consumer_1] - получено сообщение - {body.decode()}") + time.sleep(random.choice([2, 3])) + print(f" [Consumer_1] - сообщение обработано") + print() + ch.basic_ack(delivery_tag=method.delivery_tag) + + +if __name__ == '__main__': + connection = pika.BlockingConnection(pika.ConnectionParameters(host='localhost')) + channel = connection.channel() + try: + # своя не анонимная очередь + channel.queue_declare(queue=queue_name) + # binding на exchange + channel.queue_bind(exchange=exchange, queue=queue_name) + channel.basic_consume(queue=queue_name, on_message_callback=callback) + channel.start_consuming() + except KeyboardInterrupt: + connection.close() diff --git a/tsukanova_irina_lab_4/Consumer_2.py b/tsukanova_irina_lab_4/Consumer_2.py new file mode 100644 index 0000000..533fac8 --- /dev/null +++ b/tsukanova_irina_lab_4/Consumer_2.py @@ -0,0 +1,25 @@ +import pika + +queue_name = 'queue_2' +exchange = 'logs' + + +def callback(ch, method, properties, body): + print(f" [Consumer_2] - получено сообщение - {body.decode()}") + print(f" [Consumer_2] - сообщение обработано") + print() + ch.basic_ack(delivery_tag=method.delivery_tag) + + +if __name__ == '__main__': + connection = pika.BlockingConnection(pika.ConnectionParameters(host='localhost')) + channel = connection.channel() + try: + # своя не анонимная очередь + channel.queue_declare(queue=queue_name) + # binding на exchange + channel.queue_bind(exchange=exchange, queue=queue_name) + channel.basic_consume(queue=queue_name, on_message_callback=callback) + channel.start_consuming() + except KeyboardInterrupt: + connection.close() diff --git a/tsukanova_irina_lab_4/Publisher.py b/tsukanova_irina_lab_4/Publisher.py new file mode 100644 index 0000000..eab558d --- /dev/null +++ b/tsukanova_irina_lab_4/Publisher.py @@ -0,0 +1,18 @@ +import random +import time +import pika + +if __name__ == '__main__': + connection = pika.BlockingConnection(pika.ConnectionParameters(host='localhost')) + channel = connection.channel() + channel.exchange_declare(exchange='logs', exchange_type='fanout') + + try: + while True: + message = random.choice(["SIGABRT", "SIGALRM", "SIGKILL", "SIGSTOP", "SIGTERM", "SIGINT", "SIGQUIT"]) + channel.basic_publish(exchange='logs', routing_key='', body=message) + time.sleep(1) + except KeyboardInterrupt: + connection.close() + + diff --git a/tsukanova_irina_lab_4/README.md b/tsukanova_irina_lab_4/README.md new file mode 100644 index 0000000..9fce5d9 --- /dev/null +++ b/tsukanova_irina_lab_4/README.md @@ -0,0 +1,39 @@ +# Цуканова Ирина ПИбд-42 +# Лабораторная работа №4 - Работа с брокером сообщений + + +## Предметная область: +Сигналы в операционных системах семейства Unix + +## Прохождение tutorial: + +- Прохождение первого урока: +![изображение 1](./images/t_1.png) + +- Прохождение второго урока: +![изображение 2](./images/t_2.png) + +- Прохождение третьего урока: +![изображение 3](./images/t_3.png) + + +## Данные из RabbitMQ Management UI: + +#### 1. Показания очереди queue_1 при одном запущенном экземпляре Consumer_1 +![изображение 1](./images/q_1_one_comsumer_1.jpg) +#### 2. Показания очереди queue_2 +![изображение 2](./images/q_2.jpg) +#### 3. Показания очереди queue_1 при двух запущенных экземплярах Consumer_1 +![изображение 3](./images/q_1_two_comsumer_1.jpg) +#### 4. Показания очереди queue_1 при трех запущенных экземплярах Consumer_1 +![изображение 4](./images/q_1_three_comsumer_1.jpg) + +### Вывод: +Из скриншотов видно, что из-за моментальной обработки сообщений в Consumer_2, очередь queue_2 никогда не заполняется. +Consumer_1 же тратить на обработку 2-3 секунды, из-за чего очередь queue_1 существенно заполняется при одном +запущенном экземпляре. +Если уже запущенных экземпляров Consumer_1 будет больше, чем один, то очередь будет заполняться не так быстро, +и в определенный момент не будет заполняться вообще, что будет при оптимальном количестве запущенных экземпляров Consumer_1. + + +## [Видео]() \ No newline at end of file diff --git a/tsukanova_irina_lab_4/images/q_1_one_comsumer_1.jpg b/tsukanova_irina_lab_4/images/q_1_one_comsumer_1.jpg new file mode 100644 index 0000000..afc76b6 Binary files /dev/null and b/tsukanova_irina_lab_4/images/q_1_one_comsumer_1.jpg differ diff --git a/tsukanova_irina_lab_4/images/q_1_three_comsumer_1.jpg b/tsukanova_irina_lab_4/images/q_1_three_comsumer_1.jpg new file mode 100644 index 0000000..9d3efb6 Binary files /dev/null and b/tsukanova_irina_lab_4/images/q_1_three_comsumer_1.jpg differ diff --git a/tsukanova_irina_lab_4/images/q_1_two_comsumer_1.jpg b/tsukanova_irina_lab_4/images/q_1_two_comsumer_1.jpg new file mode 100644 index 0000000..efe71a2 Binary files /dev/null and b/tsukanova_irina_lab_4/images/q_1_two_comsumer_1.jpg differ diff --git a/tsukanova_irina_lab_4/images/q_2.jpg b/tsukanova_irina_lab_4/images/q_2.jpg new file mode 100644 index 0000000..bd848af Binary files /dev/null and b/tsukanova_irina_lab_4/images/q_2.jpg differ diff --git a/tsukanova_irina_lab_4/images/t_1.png b/tsukanova_irina_lab_4/images/t_1.png new file mode 100644 index 0000000..c285dea Binary files /dev/null and b/tsukanova_irina_lab_4/images/t_1.png differ diff --git a/tsukanova_irina_lab_4/images/t_2.png b/tsukanova_irina_lab_4/images/t_2.png new file mode 100644 index 0000000..91290e0 Binary files /dev/null and b/tsukanova_irina_lab_4/images/t_2.png differ diff --git a/tsukanova_irina_lab_4/images/t_3.png b/tsukanova_irina_lab_4/images/t_3.png new file mode 100644 index 0000000..002d9cc Binary files /dev/null and b/tsukanova_irina_lab_4/images/t_3.png differ diff --git a/tsukanova_irina_lab_4/t_1/receive.py b/tsukanova_irina_lab_4/t_1/receive.py new file mode 100644 index 0000000..f118e0a --- /dev/null +++ b/tsukanova_irina_lab_4/t_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) \ No newline at end of file diff --git a/tsukanova_irina_lab_4/t_1/send.py b/tsukanova_irina_lab_4/t_1/send.py new file mode 100644 index 0000000..41cfff2 --- /dev/null +++ b/tsukanova_irina_lab_4/t_1/send.py @@ -0,0 +1,11 @@ +import pika + +connection = pika.BlockingConnection( + pika.ConnectionParameters(host='localhost')) +channel = connection.channel() + +channel.queue_declare(queue='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/tsukanova_irina_lab_4/t_2/new_task.py b/tsukanova_irina_lab_4/t_2/new_task.py new file mode 100644 index 0000000..3503d55 --- /dev/null +++ b/tsukanova_irina_lab_4/t_2/new_task.py @@ -0,0 +1,20 @@ +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() + diff --git a/tsukanova_irina_lab_4/t_2/worker.py b/tsukanova_irina_lab_4/t_2/worker.py new file mode 100644 index 0000000..8f8ab64 --- /dev/null +++ b/tsukanova_irina_lab_4/t_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/tsukanova_irina_lab_4/t_3/emit_log.py b/tsukanova_irina_lab_4/t_3/emit_log.py new file mode 100644 index 0000000..45b6989 --- /dev/null +++ b/tsukanova_irina_lab_4/t_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/tsukanova_irina_lab_4/t_3/receive_logs.py b/tsukanova_irina_lab_4/t_3/receive_logs.py new file mode 100644 index 0000000..60d881d --- /dev/null +++ b/tsukanova_irina_lab_4/t_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