#!/usr/bin/env python
+# Thierry Parmentelat <thierry.parmentelat@inria.fr>
+# Copyright (C) 2010 INRIA
+#
+
+from __future__ import print_function
+
import sys
import time
-from optparse import OptionParser
+import subprocess
import socket
import SocketServer
+import threading
+from optparse import OptionParser
+
+def myprint(message, id='client'):
+ now = time.strftime("%H:%M:%S", time.localtime())
+ print("* {now} ({id}) -- {message}".format(**locals()))
+ sys.stdout.flush()
-def myprint(message):
- now=time.strftime("%H:%M:%S", time.localtime())
- print "*",now,'--',message
+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):
def handle(self):
self.wfile.write(line.upper())
class Server:
-
+ """
+ A TCP server, running for some finite amount of time
+ """
def main(self):
- import threading
-
- parser=OptionParser()
- parser.add_option("-p","--port", action="store", dest="port", type="int",
+ 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",
+ 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",
+ parser.add_option("-t", "--timeout", action="store", dest="timeout", type="int",
default="0")
-
(options, args) = parser.parse_args()
+
if len(args) != 0:
parser.print_help()
sys.exit(1)
+ myprint("==================== tcptest.py server", id='server')
+ show_network_status(id='server')
server = SocketServer.TCPServer((options.address, options.port),
UppercaseRequestHandler)
-
try:
if options.timeout:
t = threading.Thread(target=server.serve_forever)
sys.exit(0)
else:
server.serve_forever()
- except KeyboardInterrupt:
- print 'Bailing out'
+ except KeyboardInterrupt as e:
+ print('Bailing out on keyboard interrupt')
sys.exit(1)
+
+class Ready:
+ """
+ A utility that does exit(0) iff network as perceived
+ from the sliver is ready. Designed to be run before Server,
+ so one can wait for the right conditions.
+ """
+ def main(self):
+ parser = OptionParser()
+ # 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()
+
+ myprint("==================== tcptest.py ready", id='ready')
+ def can_bind ():
+ s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+ try:
+ s.bind((options.address, options.port))
+ return True
+ except Exception as e:
+ print(e)
+ return False
+
+ def eth0_has_ipv4():
+ command = "ip address show eth0 | grep -q ' inet '"
+ 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):
- from optparse import OptionParser
-
- parser=OptionParser()
+ 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",
parser.print_help()
sys.exit(1)
+ myprint("==================== tcptest.py client", id='client')
result=True
for i in range(1,options.loops+1):
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
- s.connect((options.address , options.port))
+ s.connect((options.address, options.port))
mout=i*'ping ' + '\n'
min=mout.upper()
if s.send(mout) != len(mout):
- myprint("cannot send %s"%mout.strip())
+ myprint("cannot send {}".format(mout.strip()))
result=False
break
line=s.recv(len(min))
if line is not line:
- myprint("unexpected reception\ngot:%s\nexpected: %s",line,min)
- result=False
+ myprint("unexpected reception\ngot:{}\nexpected: {}".format(line, min))
+ result = False
else:
- myprint("OK:%s"%mout.strip())
+ 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)
s.close()
myprint("Done")
exit_return=0
- if not result: exit_return=1
+ if not result:
+ exit_return=1
sys.exit(exit_return)
if __name__ == '__main__':
- for argv in sys.argv[1:]:
- if argv.find("client") >= 0:
- sys.argv.remove(argv)
+ for arg in sys.argv[1:]:
+ if arg.find("client") >= 0:
+ sys.argv.remove(arg)
Client().main()
- elif argv.find("server") >= 0:
- sys.argv.remove(argv)
+ elif arg.find("server") >= 0:
+ sys.argv.remove(arg)
Server().main()
- print 'you must specify either --client or --server'
+ elif arg.find("ready") >= 0:
+ sys.argv.remove(arg)
+ Ready().main()
+ print('you must specify either --client or --server')
sys.exit(1)
git://git.onelab.eu / tests.git / blobdiff