afonso/core-extra
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

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

Browse source
This commit is contained in:
Blake J. Harnden 2017-04-25 08:45:34 -07:00
parent c4858e6e0d
commit 00f4ebf5a9
93 changed files with 15189 additions and 13083 deletions
Download patch file Download diff file Expand all files Collapse all files

68
daemon/examples/netns/iperf-performance-chain.py
View file

@ -1,4 +1,4 @@
#!/usr/bin/python
#!/usr/bin/python
# Copyright (c)2013 the Boeing Company.
# See the LICENSE file included in this distribution.
@ -14,24 +14,29 @@
# Use core-cleanup to clean up after this script as the session is left running.
#
import sys, datetime, optparse
import datetime
import optparse
import sys
from core import pycore
from core.misc import ipaddr
from core.constants import *
from core import constants
from core.misc import ipaddress, nodeutils, nodemaps
from core.netns import nodes
# node list (count from 1)
from core.session import Session
n = [None]
def main():
usagestr = "usage: %prog [-h] [options] [args]"
parser = optparse.OptionParser(usage = usagestr)
parser.set_defaults(numnodes = 5)
parser = optparse.OptionParser(usage=usagestr)
parser.set_defaults(numnodes=5)
parser.add_option("-n", "--numnodes", dest = "numnodes", type = int,
help = "number of nodes")
parser.add_option("-n", "--numnodes", dest="numnodes", type=int,
help="number of nodes")
def usage(msg = None, err = 0):
def usage(msg=None, err=0):
sys.stdout.write("\n")
if msg:
sys.stdout.write(msg + "\n\n")
@ -52,48 +57,51 @@ def main():
start = datetime.datetime.now()
session = pycore.Session(persistent=True)
session = Session(1, persistent=True)
if 'server' in globals():
server.addsession(session)
print "creating %d nodes" % options.numnodes
print "creating %d nodes" % options.numnodes
left = None
prefix = None
for i in xrange(1, options.numnodes + 1):
tmp = session.addobj(cls = pycore.nodes.CoreNode, name = "n%d" % i,
objid=i)
tmp = session.add_object(cls=nodes.CoreNode, name="n%d" % i, objid=i)
if left:
tmp.newnetif(left, ["%s/%s" % (prefix.addr(2), prefix.prefixlen)])
prefix = ipaddr.IPv4Prefix("10.83.%d.0/24" % i) # limit: i < 255
right = session.addobj(cls = pycore.nodes.PtpNet)
# limit: i < 255
prefix = ipaddress.Ipv4Prefix("10.83.%d.0/24" % i)
right = session.add_object(cls=nodes.PtpNet)
tmp.newnetif(right, ["%s/%s" % (prefix.addr(1), prefix.prefixlen)])
tmp.cmd([SYSCTL_BIN, "net.ipv4.icmp_echo_ignore_broadcasts=0"])
tmp.cmd([SYSCTL_BIN, "net.ipv4.conf.all.forwarding=1"])
tmp.cmd([SYSCTL_BIN, "net.ipv4.conf.default.rp_filter=0"])
tmp.setposition(x=100*i,y=150)
tmp.cmd([constants.SYSCTL_BIN, "net.ipv4.icmp_echo_ignore_broadcasts=0"])
tmp.cmd([constants.SYSCTL_BIN, "net.ipv4.conf.all.forwarding=1"])
tmp.cmd([constants.SYSCTL_BIN, "net.ipv4.conf.default.rp_filter=0"])
tmp.setposition(x=100 * i, y=150)
n.append(tmp)
left = right
prefixes = map(lambda(x): ipaddr.IPv4Prefix("10.83.%d.0/24" % x),
prefixes = map(lambda (x): ipaddress.Ipv4Prefix("10.83.%d.0/24" % x),
xrange(1, options.numnodes + 1))
# set up static routing in the chain
for i in xrange(1, options.numnodes + 1):
for j in xrange(1, options.numnodes + 1):
if j < i - 1:
gw = prefixes[i-2].addr(1)
gw = prefixes[i - 2].addr(1)
elif j > i:
if i > len(prefixes) - 1:
continue
gw = prefixes[i-1].addr(2)
gw = prefixes[i - 1].addr(2)
else:
continue
net = prefixes[j-1]
n[i].cmd([IP_BIN, "route", "add", str(net), "via", str(gw)])
net = prefixes[j - 1]
n[i].cmd([constants.IP_BIN, "route", "add", str(net), "via", str(gw)])
print "elapsed time: %s" % (datetime.datetime.now() - start)
if __name__ == "__main__" or __name__ == "__builtin__":
main()
if __name__ == "__main__" or __name__ == "__builtin__":
# configure nodes to use
node_map = nodemaps.CLASSIC_NODES
nodeutils.set_node_map(node_map)
main()