1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
#!/usr/bin/env python
# --------------------------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for license information.
# --------------------------------------------------------------------------------------------
"""
Example to show sending message(s) to and receiving messages from a Service Bus Queue with session enabled.
"""
import os
from azure.servicebus import ServiceBusClient, ServiceBusMessage
from azure.identity import DefaultAzureCredential
FULLY_QUALIFIED_NAMESPACE = os.environ["SERVICEBUS_FULLY_QUALIFIED_NAMESPACE"]
SESSION_QUEUE_NAME = os.environ["SERVICEBUS_SESSION_QUEUE_NAME"]
SESSION_ID = os.environ["SERVICEBUS_SESSION_ID"]
def send_single_message(sender):
message = ServiceBusMessage("Single session message", session_id=SESSION_ID)
sender.send_messages(message)
def send_a_list_of_messages(sender):
messages = [ServiceBusMessage("Session Message in list", session_id=SESSION_ID) for _ in range(10)]
sender.send_messages(messages)
def send_batch_message(sender):
batch_message = sender.create_message_batch()
for _ in range(10):
try:
batch_message.add_message(
ServiceBusMessage("Session Message inside a ServiceBusMessageBatch", session_id=SESSION_ID)
)
except ValueError:
# ServiceBusMessageBatch object reaches max_size.
# New ServiceBusMessageBatch object can be created here to send more data.
break
sender.send_messages(batch_message)
def receive_batch_message(receiver):
session = receiver.session
session.set_state("START")
print("Session state:", session.get_state())
received_msgs = receiver.receive_messages(max_message_count=10, max_wait_time=5)
for msg in received_msgs:
print(str(msg))
receiver.complete_message(msg)
session.renew_lock()
session.set_state("END")
print("Session state:", session.get_state())
if __name__ == "__main__":
credential = DefaultAzureCredential()
servicebus_client = ServiceBusClient(FULLY_QUALIFIED_NAMESPACE, credential, logging_enable=True)
with servicebus_client:
sender = servicebus_client.get_queue_sender(queue_name=SESSION_QUEUE_NAME)
with sender:
send_single_message(sender)
send_a_list_of_messages(sender)
send_batch_message(sender)
print("Send message is done.")
receiver = servicebus_client.get_queue_receiver(queue_name=SESSION_QUEUE_NAME, session_id=SESSION_ID)
with receiver:
receive_batch_message(receiver)
print("Receive is done.")
|
