Skip to content
Find file
Fetching contributors…
Cannot retrieve contributors at this time
100 lines (80 sloc) 3.22 KB
###############################################################################
#
# Copyright (c) 2012 Ruslan Spivak
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
###############################################################################
__author__ = 'Ruslan Spivak <ruslan.spivak@gmail.com>'
import os
import sys
import errno
import socket
import optparse
def request(host, port, child_num, con_num, bytes):
# spawn child_num children processes
for cnum in range(child_num):
pid = os.fork()
if pid == 0: # child
for i in range(con_num):
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect((host, port))
sock.sendall(str(bytes))
data = sock.recv(bytes)
if len(data) != bytes:
raise Exception('Server returned only %d bytes' % len(data))
sock.close() # TIME_WAIT state on the client
print 'Child %d is done' % cnum
os._exit(0)
# wait for all children to finish
while True:
try:
pid, status = os.wait()
except OSError as e:
if e.errno == errno.ECHILD:
break
else:
raise
if pid == 0:
break
def main():
parser = optparse.OptionParser()
parser.add_option(
'-i', '--host', dest='host', help='Hostname or IP address')
parser.add_option('-p', '--port', dest='port', type='int', help='Port')
parser.add_option(
'-c', '--child-num', dest='childnum', type='int', default=5,
help='Number of children to spawn. Default is 5'
)
parser.add_option(
'-t', '--con-num', dest='connum', type='int', default=500,
help='Number of connections to establish. Default is 5'
)
parser.add_option(
'-b', '--bytes', dest='bytes', type='int', default=3000,
help='Number of bytes to request. Default is 3000'
)
options, args = parser.parse_args()
if not (options.host and options.port):
parser.print_help()
sys.exit(1)
request(options.host, options.port,
options.childnum, options.connum, options.bytes)
if __name__ == '__main__':
main()
Something went wrong with that request. Please try again.