# -*- Mode: Python; tab-width: 4 -*-

import socket
import string
import time
import http_date

now = http_date.build_http_date (time.time())

cache_request = string.joinfields (
	['GET / HTTP/1.0',
	 'If-Modified-Since: %s' % now,
	 ],
	'\r\n'
	) + '\r\n\r\n'

nocache_request = 'GET / HTTP/1.0\r\n\r\n'

def get (request, host='', port=80):
	s = socket.socket (socket.AF_INET, socket.SOCK_STREAM)
	s.connect (host, port)
	s.send (request)
	while 1:
		d = s.recv (8192)
		if not d:
			break
	s.close()

class timer:
	def __init__ (self):
		self.start = time.time()
	def end (self):
		return time.time() - self.start

def test_cache (n=1000):
	t = timer()
	for i in xrange (n):
		get(cache_request)
	end = t.end()
	print 'cache: %d requests, %.2f seconds, %.2f hits/sec' % (n, end, n/end)

def test_nocache (n=1000):
	t = timer()
	for i in xrange (n):
		get(nocache_request)
	end = t.end()
	print 'nocache: %d requests, %.2f seconds, %.2f hits/sec' % (n, end, n/end)
	
if __name__ == '__main__':
	test_cache()
	test_nocache()
