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
|
#!/usr/bin/python
# -*- coding: utf-8 -*-
import pika
import json
import threading
buffer = []
lock = threading.Lock()
print('pika version: %s' % pika.__version__)
connection = pika.BlockingConnection(pika.ConnectionParameters(host='localhost'))
main_channel = connection.channel()
consumer_channel = connection.channel()
bind_channel = connection.channel()
if pika.__version__=='0.9.5':
main_channel.exchange_declare(exchange='com.micex.sten', type='direct')
main_channel.exchange_declare(exchange='com.micex.lasttrades', type='direct')
else:
main_channel.exchange_declare(exchange='com.micex.sten', exchange_type='direct')
main_channel.exchange_declare(exchange='com.micex.lasttrades', exchange_type='direct')
queue = main_channel.queue_declare(exclusive=True).method.queue
queue_tickers = main_channel.queue_declare(exclusive=True).method.queue
main_channel.queue_bind(exchange='com.micex.sten', queue=queue, routing_key='order.stop.create')
def process_buffer():
if not lock.acquire(False):
print('locked!')
return
try:
while len(buffer):
body = buffer.pop(0)
ticker = None
if 'ticker' in body['data']['params']['condition']: ticker = body['data']['params']['condition']['ticker']
if not ticker: continue
print('got ticker %s, gonna bind it...' % ticker)
bind_channel.queue_bind(exchange='com.micex.lasttrades', queue=queue_tickers, routing_key=str(ticker))
print('ticker %s binded ok' % ticker)
finally:
lock.release()
def callback(ch, method, properties, body):
body = json.loads(body)['order.stop.create']
buffer.append(body)
process_buffer()
consumer_channel.basic_consume(callback,
queue=queue, no_ack=True)
try:
consumer_channel.start_consuming()
finally:
connection.close()
|
