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
|
#!/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 streaming sending events with different options to an Event Hub asynchronously.
"""
import time
import asyncio
import os
from azure.eventhub.aio import EventHubProducerClient
from azure.eventhub import EventData
CONNECTION_STR = os.environ['EVENT_HUB_CONN_STR']
EVENTHUB_NAME = os.environ['EVENT_HUB_NAME']
async def run():
producer = EventHubProducerClient.from_connection_string(
conn_str=CONNECTION_STR,
eventhub_name=EVENTHUB_NAME
)
to_send_message_cnt = 500
bytes_per_message = 256
async with producer:
event_data_batch = await producer.create_batch()
for i in range(to_send_message_cnt):
event_data = EventData('D' * bytes_per_message)
try:
event_data_batch.add(event_data)
except ValueError:
await producer.send_batch(event_data_batch)
event_data_batch = await producer.create_batch()
event_data_batch.add(event_data)
if len(event_data_batch) > 0:
await producer.send_batch(event_data_batch)
start_time = time.time()
asyncio.run(run())
print("Send messages in {} seconds.".format(time.time() - start_time))
|
