99 lines
3.1 KiB
Python
Executable file
99 lines
3.1 KiB
Python
Executable file
#!/usr/bin/python -i
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# Copyright (c)2010-2013 the Boeing Company.
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# See the LICENSE file included in this distribution.
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# Example CORE Python script that attaches N nodes to an EMANE 802.11abg
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# network. One of the parameters is changed, the pathloss mode.
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import sys, datetime, optparse
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from core import pycore
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from core.misc import ipaddr
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from core.constants import *
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from core.emane.ieee80211abg import EmaneIeee80211abgModel
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# node list (count from 1)
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n = [None]
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def add_to_server(session):
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''' Add this session to the server's list if this script is executed from
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the core-daemon server.
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'''
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global server
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try:
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server.addsession(session)
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return True
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except NameError:
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return False
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def main():
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usagestr = "usage: %prog [-h] [options] [args]"
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parser = optparse.OptionParser(usage = usagestr)
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parser.set_defaults(numnodes = 5)
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parser.add_option("-n", "--numnodes", dest = "numnodes", type = int,
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help = "number of nodes")
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def usage(msg = None, err = 0):
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sys.stdout.write("\n")
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if msg:
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sys.stdout.write(msg + "\n\n")
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parser.print_help()
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sys.exit(err)
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# parse command line options
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(options, args) = parser.parse_args()
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if options.numnodes < 1:
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usage("invalid number of nodes: %s" % options.numnodes)
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for a in args:
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sys.stderr.write("ignoring command line argument: '%s'\n" % a)
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start = datetime.datetime.now()
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# IP subnet
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prefix = ipaddr.IPv4Prefix("10.83.0.0/16")
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# session with some EMANE initialization
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session = pycore.Session(persistent=True)
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session.master = True
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session.location.setrefgeo(47.57917,-122.13232,2.00000)
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session.location.refscale = 150.0
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session.cfg['emane_models'] = "RfPipe, Ieee80211abg, Bypass, AtdlOmni"
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session.emane.loadmodels()
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add_to_server(session)
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# EMANE WLAN
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print "creating EMANE WLAN wlan1"
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wlan = session.addobj(cls = pycore.nodes.EmaneNode, name = "wlan1")
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wlan.setposition(x=80,y=50)
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names = EmaneIeee80211abgModel.getnames()
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values = list(EmaneIeee80211abgModel.getdefaultvalues())
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# TODO: change any of the EMANE 802.11 parameter values here
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values[ names.index('pathlossmode') ] = 'pathloss'
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session.emane.setconfig(wlan.objid, EmaneIeee80211abgModel._name, values)
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services_str = "zebra|OSPFv3MDR|vtysh|IPForward"
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print "creating %d nodes with addresses from %s" % \
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(options.numnodes, prefix)
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for i in xrange(1, options.numnodes + 1):
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tmp = session.addobj(cls = pycore.nodes.CoreNode, name = "n%d" % i,
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objid=i)
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tmp.newnetif(wlan, ["%s/%s" % (prefix.addr(i), prefix.prefixlen)])
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tmp.cmd([SYSCTL_BIN, "net.ipv4.icmp_echo_ignore_broadcasts=0"])
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tmp.setposition(x=150*i,y=150)
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session.services.addservicestonode(tmp, "", services_str, verbose=False)
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n.append(tmp)
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# this starts EMANE, etc.
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session.instantiate()
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# start a shell on node 1
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n[1].term("bash")
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print "elapsed time: %s" % (datetime.datetime.now() - start)
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if __name__ == "__main__" or __name__ == "__builtin__":
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main()
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