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stress_amqp.py
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stress_amqp.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import thread
import sys, os
import functools
import traceback
import time
import random
import amqplib.client_0_8 as amqp
QUEUES = [
# qname, msg/sec, min/max size, queue_len persistent noack
("a", 0.1, 1000, 10000, 100000.0, False, False),
("b", 1.0, 1000, 10000, 100000.0, True, False),
("c", 10.0, 1000, 10000, 100000.0, False, False),
("d", 1000.0, 1000, 10000, 100000.0, True, True),
("e", 1000.0, 1000, 10000, 100000.0, True, False),
("f", 100.0, 1000, 10000, 100000.0, False, False),
("g", 100.0, 1000, 10000, 100000.0, False, False),
("ga", 100.0, 1000, 10000, 100000.0, False, False),
("gb", 100.0, 1000, 10000, 100000.0, False, False),
("gc", 100.0, 1000, 10000, 100000.0, False, False),
("gd", 100.0, 1000, 10000, 100000.0, False, False),
("ge", 100.0, 1000, 10000, 100000.0, False, False),
("gf", 100.0, 1000, 10000, 100000.0, False, False),
("gg", 100.0, 1000, 10000, 100000.0, False, False),
("gh", 100.0, 1000, 10000, 100000.0, False, False),
("gi", 100.0, 1000, 10000, 100000.0, False, False),
("gj", 100.0, 1000, 10000, 100000.0, False, False),
("gk", 100.0, 1000, 10000, 100000.0, False, False),
("gl", 100.0, 1000, 10000, 100000.0, False, False),
("gm", 100.0, 1000, 10000, 100000.0, False, False),
# ("gn", 100.0, 1000, 10000, 100000.0, False, False),
# ("go", 100.0, 1000, 10000, 100000.0, False, False),
# ("gp", 100.0, 1000, 10000, 100000.0, False, False),
# ("gq", 100.0, 1000, 10000, 100000.0, False, False),
# ("gr", 100.0, 1000, 10000, 100000.0, False, False),
# ("gs", 100.0, 1000, 10000, 100000.0, False, False),
# ("gt", 100.0, 1000, 10000, 100000.0, False, False),
# ("gu", 100.0, 1000, 10000, 100000.0, False, False),
# ("gv", 100.0, 1000, 10000, 100000.0, False, False),
# ("gw", 100.0, 1000, 10000, 100000.0, False, False),
# ("gx", 100.0, 1000, 10000, 100000.0, False, False),
# ("gy", 100.0, 1000, 10000, 100000.0, False, False),
# ("gz", 100.0, 1000, 10000, 100000.0, False, False),
# ("g1", 100.0, 1000, 10000, 100000.0, False, False),
# ("g2", 100.0, 1000, 10000, 100000.0, False, False),
# ("g3", 100.0, 1000, 10000, 100000.0, False, False),
]
FREE_QUEUES = [
# qname, msg/sec, min/max size, queue_len persistent noack
(name, 1.0, minsz, maxsz, 10.0, False, noack) \
for (name, msgsec, minsz, maxsz, queuelen, persistent, noack) in QUEUES
]
def logwrapper(m):
@functools.wraps(m)
def wrapper(*args, **kwargs):
try:
return m(*args, **kwargs)
except:
print "[**] Traceback!\n%s" % \
(traceback.format_exc(),)
os.abort()
return wrapper
def basic_publish(ch, qname, min_size, max_size, persistent):
body = 'a' * random.randint(min_size, max_size)
msg = amqp.Message(body, application_headers={})
#if persistent:
if True:
msg.properties["delivery_mode"] = 2
ch.basic_publish(msg, '', routing_key=qname)
#ch.basic_publish(exchange='',
#routing_key=qname,
#body=body,
#properties=rabbitmq.BasicProperties(
#delivery_mode = 2, # persistent
#))
def basic_get(ch, qname):
method = ch.basic_get(qname, no_ack=True)
@logwrapper
def queue_setup(conn_args, qname, ratio, min_size, max_size, queue_len, persistent, noack):
assert queue_len >= ratio
print " [*] #%s queue:%r ratio:%.3f" % (qname, qname, ratio)
#conn = rabbitmq.Connection('127.0.0.1')
conn = amqp.Connection(**conn_args)
ch = conn.channel()
message_count = ch.queue_declare(queue=qname, durable=True, exclusive=False, auto_delete=False)[1]
ch.basic_qos(0, 1, False)
ch.exchange_declare(qname+"+e", "headers", durable=True)
ch.queue_bind(qname, qname+"+e",'routingkey', { "x-match":"all", "a":"b"})
if message_count < queue_len:
print " [*] #%s filling queue, %i items" % (qname, abs(message_count-queue_len), )
for i in xrange(message_count, queue_len):
basic_publish(ch, qname, min_size, max_size, persistent)
if message_count > queue_len:
print " [*] #%s emptying queue, %i items" % (qname, abs(message_count-queue_len), )
for i in xrange(queue_len, message_count):
basic_get(ch, qname)
received = [0]
last_received = [0]
t0 = time.time()
def handle_delivery(msg):
received[0] += 1
tpassed = time.time() - t0
tshould = received[0] / ratio
nm = max(1, int(ratio))
if received[0] % nm == 0:
for i in xrange(nm):
basic_publish(ch, qname, min_size, max_size, persistent)
print " [*] #%s ratio:%8.3f drift:%8.3f td:%6.3f" % (qname,
ratio, ratio-received[0]/tpassed, tshould-tpassed)
last_received[0] = received[0]
if tpassed < tshould:
time.sleep(tshould - tpassed)
if noack == False:
msg.channel.basic_ack(msg.delivery_tag)
tag = ch.basic_consume(qname, callback=handle_delivery, no_ack=noack)
while True:
ch.wait()
import sys
import re
amqp_re = re.compile(r'^amqp://(?P<userid>[^:]*):(?P<password>[^@]*)@(?P<host>[^/]*)(?P<virtual_host>/[^/]*)/?$')
def main():
conn_args = amqp_re.match(sys.argv[1]).groupdict()
queues = QUEUES
if len(sys.argv)==3 and "-f" == sys.argv[2]:
print " [**] freeing queue"
queues = FREE_QUEUES
for args in queues:
thread.start_new_thread(queue_setup, tuple([conn_args] + list(args)))
print " [*] Starting loop"
try:
while True:
time.sleep(3) # get some cpu at least once few seconds
except KeyboardInterrupt:
pass
print " [*] Quitting!"
sys.exit(0)
if __name__ == '__main__':
main()