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initial commit after bringing over cleaned up code and testing some examples

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Blake J. Harnden 2017-04-25 08:45:34 -07:00
parent c4858e6e0d
commit 00f4ebf5a9
93 changed files with 15189 additions and 13083 deletions
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65
daemon/examples/netns/switchtest.py
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@ -8,11 +8,14 @@
# and repeat for minnodes <= n <= maxnodes with a step size of
# nodestep
import optparse, sys, os, datetime
import datetime
import optparse
import sys
from core import pycore
from core.misc import ipaddr
from core.misc import ipaddress, nodeutils, nodemaps
from core.misc.utils import mutecall
from core.netns import nodes
from core.session import Session
try:
mutecall(["iperf", "-v"])
@ -20,48 +23,52 @@ except OSError:
sys.stderr.write("ERROR: running iperf failed\n")
sys.exit(1)
def test(numnodes, testsec):
# node list
n = []
# IP subnet
prefix = ipaddr.IPv4Prefix("10.83.0.0/16")
session = pycore.Session()
prefix = ipaddress.Ipv4Prefix("10.83.0.0/16")
session = Session(1)
# emulated network
net = session.addobj(cls = pycore.nodes.SwitchNode)
net = session.add_object(cls=nodes.SwitchNode)
for i in xrange(1, numnodes + 1):
tmp = session.addobj(cls = pycore.nodes.LxcNode, name = "n%d" % i)
tmp = session.add_object(cls=nodes.LxcNode, name="n%d" % i)
tmp.newnetif(net, ["%s/%s" % (prefix.addr(i), prefix.prefixlen)])
n.append(tmp)
n[0].cmd(["iperf", "-s", "-D"])
n[-1].icmd(["iperf", "-t", str(int(testsec)), "-c", str(prefix.addr(1))])
n[0].cmd(["killall", "-9", "iperf"])
raw_input("press enter to exit")
session.shutdown()
def main():
usagestr = "usage: %prog [-h] [options] [args]"
parser = optparse.OptionParser(usage = usagestr)
parser = optparse.OptionParser(usage=usagestr)
parser.set_defaults(minnodes = 2)
parser.add_option("-m", "--minnodes", dest = "minnodes", type = int,
help = "min number of nodes to test; default = %s" %
parser.defaults["minnodes"])
parser.set_defaults(minnodes=2)
parser.add_option("-m", "--minnodes", dest="minnodes", type=int,
help="min number of nodes to test; default = %s" %
parser.defaults["minnodes"])
parser.set_defaults(maxnodes = 2)
parser.add_option("-n", "--maxnodes", dest = "maxnodes", type = int,
help = "max number of nodes to test; default = %s" %
parser.defaults["maxnodes"])
parser.set_defaults(maxnodes=2)
parser.add_option("-n", "--maxnodes", dest="maxnodes", type=int,
help="max number of nodes to test; default = %s" %
parser.defaults["maxnodes"])
parser.set_defaults(testsec = 10)
parser.add_option("-t", "--testsec", dest = "testsec", type = int,
help = "test time in seconds; default = %s" %
parser.defaults["testsec"])
parser.set_defaults(testsec=10)
parser.add_option("-t", "--testsec", dest="testsec", type=int,
help="test time in seconds; default = %s" %
parser.defaults["testsec"])
parser.set_defaults(nodestep = 1)
parser.add_option("-s", "--nodestep", dest = "nodestep", type = int,
help = "number of nodes step size; default = %s" %
parser.defaults["nodestep"])
parser.set_defaults(nodestep=1)
parser.add_option("-s", "--nodestep", dest="nodestep", type=int,
help="number of nodes step size; default = %s" %
parser.defaults["nodestep"])
def usage(msg = None, err = 0):
def usage(msg=None, err=0):
sys.stdout.write("\n")
if msg:
sys.stdout.write(msg + "\n\n")
@ -90,8 +97,12 @@ def main():
test(i, options.testsec)
print >> sys.stderr, ""
print >> sys.stderr, \
"elapsed time: %s" % (datetime.datetime.now() - start)
print >> sys.stderr, "elapsed time: %s" % (datetime.datetime.now() - start)
if __name__ == "__main__":
# configure nodes to use
node_map = nodemaps.CLASSIC_NODES
nodeutils.set_node_map(node_map)
main()