# -*- Mode: Python; tab-width: 4 -*-
import asyncore
import asynchat
import socket
import string
# get some performance figures for an HTTP/1.1 server.
# use pipelining.
class test_client (asynchat.async_chat):
ac_in_buffer_size = 16384
ac_out_buffer_size = 16384
total_in = 0
concurrent = 0
max_concurrent = 0
def __init__ (self, addr, chain):
asynchat.async_chat.__init__ (self)
self.create_socket (socket.AF_INET, socket.SOCK_STREAM)
self.set_terminator ('\r\n\r\n')
self.connect (addr)
self.push (chain)
def handle_connect (self):
test_client.concurrent = test_client.concurrent + 1
if (test_client.concurrent > test_client.max_concurrent):
test_client.max_concurrent = test_client.concurrent
def handle_expt (self):
print 'unexpected FD_EXPT thrown. closing()'
self.close()
def close (self):
test_client.concurrent = test_client.concurrent - 1
asynchat.async_chat.close(self)
def collect_incoming_data (self, data):
test_client.total_in = test_client.total_in + len(data)
def found_terminator (self):
pass
def log (self, *args):
pass
import time
class timer:
def __init__ (self):
self.start = time.time()
def end (self):
return time.time() - self.start
def build_request_chain (num, host, request_size):
s = 'GET /test%d.html HTTP/1.1\r\nHost: %s\r\n\r\n' % (request_size, host)
sl = [s] * (num-1)
sl.append (
'GET /test%d.html HTTP/1.1\r\nHost: %s\r\nConnection: close\r\n\r\n' % (
request_size, host
)
)
return string.join (sl, '')
if __name__ == '__main__':
import string
import sys
if len(sys.argv) != 6:
print 'usage: %s <host> <port> <request-size> <num-requests> <num-connections>\n' % sys.argv[0]
else:
host = sys.argv[1]
ip = socket.gethostbyname (host)
[port, request_size, num_requests, num_conns] = map (
string.atoi, sys.argv[2:]
)
chain = build_request_chain (num_requests, host, request_size)
t = timer()
for i in range (num_conns):
test_client ((host,port), chain)
asyncore.loop()
total_time = t.end()
# ok, now do some numbers
total_bytes = test_client.total_in
num_trans = num_requests * num_conns
throughput = float (total_bytes) / total_time
trans_per_sec = num_trans / total_time
sys.stderr.write ('total time: %.2f\n' % total_time)
sys.stderr.write ('number of transactions: %d\n' % num_trans)
sys.stderr.write ('total bytes sent: %d\n' % total_bytes)
sys.stderr.write ('total throughput (bytes/sec): %.2f\n' % throughput)
sys.stderr.write ('transactions/second: %.2f\n' % trans_per_sec)
sys.stderr.write ('max concurrent connections: %d\n' % test_client.max_concurrent)
sys.stdout.write (
string.join (
map (str, (num_conns, num_requests, request_size, throughput, trans_per_sec)),
','
) + '\n'
)
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