-#!/usr/bin/env python
+#!/usr/bin/env python3
# Thierry Parmentelat <thierry.parmentelat@inria.fr>
-# Copyright (C) 2010 INRIA
+# Copyright (C) 2010 INRIA
#
# this is a small and simple standalone utility
# we keep this in python2 for now until python3
# can be taken for granted in sliceimage
-from __future__ import print_function
+# pylint: disable=c0111, c0103, w0622, r0903, r0201, w0703
import sys
import time
import subprocess
import socket
-import SocketServer
+import socketserver
import threading
-from optparse import OptionParser
+from argparse import ArgumentParser
+
def myprint(message, id='client'):
now = time.strftime("%H:%M:%S", time.localtime())
- print("* {now} ({id}) -- {message}".format(**locals()))
+ print("* {now} ({id}) -- {message}"
+ .format(now=now, id=id, message=message))
sys.stdout.flush()
+
def show_network_status(id):
myprint("ip address show", id=id)
subprocess.call(['ip', 'address', 'show'])
myprint("ip route show", id=id)
subprocess.call(['ip', 'route', 'show'])
-class EchoRequestHandler(SocketServer.StreamRequestHandler):
+
+class EchoRequestHandler(socketserver.StreamRequestHandler):
def handle(self):
line = self.rfile.readline()
self.wfile.write(line)
-class UppercaseRequestHandler(SocketServer.StreamRequestHandler):
+
+class UppercaseRequestHandler(socketserver.StreamRequestHandler):
def handle(self):
line = self.rfile.readline()
self.wfile.write(line.upper())
+
class Server:
"""
A TCP server, running for some finite amount of time
"""
def main(self):
- parser = OptionParser()
- parser.add_option("-p", "--port", action="store", dest="port", type="int",
- default=10000, help="port number")
- parser.add_option("-a", "--address", action="store", dest="address",
- default=socket.gethostname(), help="address")
- parser.add_option("-t", "--timeout", action="store", dest="timeout", type="int",
- default="0")
- (options, args) = parser.parse_args()
-
- if len(args) != 0:
+ parser = ArgumentParser()
+ parser.add_argument("-p", "--port", type=int, default=10000,
+ action="store", dest="port",
+ help="port number")
+ parser.add_argument("-a", "--address", action="store", dest="address",
+ default=socket.gethostname(), help="address")
+ parser.add_argument("-t", "--timeout", action="store", dest="timeout",
+ type=int, default="0")
+ args = parser.parse_args()
+
+ if not args:
parser.print_help()
sys.exit(1)
myprint("==================== tcptest.py server", id='server')
show_network_status(id='server')
- server = SocketServer.TCPServer((options.address, options.port),
+ server = socketserver.TCPServer((args.address, args.port),
UppercaseRequestHandler)
try:
- if options.timeout:
+ if args.timeout:
t = threading.Thread(target=server.serve_forever)
- t.setDaemon(True) # don't hang on exit
+ t.setDaemon(True) # don't hang on exit
t.start()
- time.sleep(options.timeout)
+ time.sleep(args.timeout)
sys.exit(0)
else:
- server.serve_forever()
- except KeyboardInterrupt as e:
+ server.serve_forever()
+ except KeyboardInterrupt:
print('Bailing out on keyboard interrupt')
sys.exit(1)
-
+
+
class Ready:
"""
A utility that does exit(0) iff network as perceived
so one can wait for the right conditions.
"""
def main(self):
- parser = OptionParser()
+ parser = ArgumentParser()
# by default use another port so we don't run into
# the SO_LINGER kind of trouble
- parser.add_option("-p", "--port", action="store", dest="port", type="int",
- default=9999, help="port number")
- parser.add_option("-a", "--address", action="store", dest="address",
- default=socket.gethostname(), help="address")
- (options, args) = parser.parse_args()
+ parser.add_argument("-p", "--port", action="store", dest="port",
+ type=int, default=9999, help="port number")
+ parser.add_argument("-a", "--address", action="store", dest="address",
+ default=socket.gethostname(), help="address")
+ args = parser.parse_args()
myprint("==================== tcptest.py ready", id='ready')
- def can_bind ():
+
+ def can_bind():
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
try:
- s.bind((options.address, options.port))
+ s.bind((args.address, args.port))
return True
except Exception as e:
print(e)
return subprocess.check_call(command, shell=True) == 0
sys.exit(0 if can_bind() and eth0_has_ipv4() else 1)
-
+
+
class Client:
"""
Runs a client against a Server instance
"""
def main(self):
- parser = OptionParser()
- parser.add_option("-p","--port", action="store", dest="port", type="int",
- default=10000, help="port number")
- parser.add_option("-a","--address", action="store", dest="address",
- default=socket.gethostname(), help="address")
- parser.add_option("-s","--sleep", action="store", dest="sleep", type="int",
- default=1, help="sleep seconds")
- parser.add_option("-l","--loops", action="store", dest="loops", type="int",
- default=1, help="iteration loops")
-
- (options, args) = parser.parse_args()
- if len(args) != 0:
+ parser = ArgumentParser()
+ parser.add_argument("-p", "--port", action="store", dest="port",
+ type=int, default=10000, help="port number")
+ parser.add_argument("-a", "--address", action="store", dest="address",
+ default=socket.gethostname(), help="address")
+ parser.add_argument("-s", "--sleep", action="store", dest="sleep",
+ type=int, default=1, help="sleep seconds")
+ parser.add_argument("-l", "--loops", action="store", dest="loops",
+ type=int, default=1, help="iteration loops")
+
+ args = parser.parse_args()
+ if not args:
parser.print_help()
sys.exit(1)
myprint("==================== tcptest.py client", id='client')
- result=True
- for i in range(1,options.loops+1):
+ result = True
+ for i in range(1, args.loops+1):
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
- s.connect((options.address, options.port))
- mout=i*'ping ' + '\n'
- min=mout.upper()
+ s.connect((args.address, args.port))
+ mout = i*b'ping_out ' + b'\n'
+ min = i*b'PING_in ' + b'\n'
if s.send(mout) != len(mout):
myprint("cannot send {}".format(mout.strip()))
- result=False
+ result = False
break
- line=s.recv(len(min))
+ line = s.recv(len(min))
if line is not line:
- myprint("unexpected reception\ngot:{}\nexpected: {}".format(line, min))
+ myprint("unexpected reception\ngot:{}\nexpected: {}"
+ .format(line, min))
result = False
else:
myprint("OK:{}".format(mout.strip()))
- # leave the connection open, but the last one (so 1 iter returns fast)
- if i != options.loops:
- time.sleep(options.sleep)
+ # leave the connection open, but the last (so 1 iter returns fast)
+ if i != args.loops:
+ time.sleep(args.sleep)
myprint("disconnecting")
s.close()
myprint("Done")
- exit_return=0
+ exit_return = 0
if not result:
- exit_return=1
+ exit_return = 1
sys.exit(exit_return)
+
if __name__ == '__main__':
for arg in sys.argv[1:]:
if arg.find("client") >= 0:
git://git.onelab.eu / tests.git / blobdiff