114 lines
3.4 KiB
Python
114 lines
3.4 KiB
Python
#!/usr/bin/python
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# Copyright 2013-present Barefoot Networks, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from mininet.net import Mininet
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from mininet.topo import Topo
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from mininet.log import setLogLevel, info
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from mininet.cli import CLI
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from mininet.link import TCLink, Intf
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from p4_mininet import P4Switch, P4Host
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import argparse
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from time import sleep
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import os
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import subprocess
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parser = argparse.ArgumentParser(description='Mininet demo')
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parser.add_argument('--behavioral-exe', help='Path to behavioral executable',
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type=str, action="store", required=True)
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parser.add_argument('--json', help='Path to JSON config file',
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type=str, action="store", required=True)
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parser.add_argument('--cli', help='Path to BM CLI',
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type=str, action="store", required=True)
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parser.add_argument('--thrift-port', help='Thrift server port for table updates',
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type=int, action="store", required=True)
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args = parser.parse_args()
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class MyTopo(Topo):
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def __init__(self, sw_path, json_path, thrift_port, **opts):
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# Initialize topology and default options
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Topo.__init__(self, **opts)
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switch = self.addSwitch('s1',
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sw_path = sw_path,
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json_path = json_path,
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thrift_port = thrift_port,
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pcap_dump = True)
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# internal host
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h1 = self.addHost('h1',
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ip = "10.0.0.10",
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mac = "00:04:00:00:00:10")
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self.addLink(h1, switch)
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# external host
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h2 = self.addHost('h2',
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ip = "192.168.0.10",
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mac = "00:05:00:00:00:10")
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self.addLink(h2, switch)
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def main():
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topo = MyTopo(args.behavioral_exe,
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args.json,
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args.thrift_port)
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net = Mininet(topo = topo,
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host = P4Host,
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switch = P4Switch,
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controller = None)
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cpu_intf = Intf("cpu-veth-1", net.get('s1'), 11)
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net.start()
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sw_macs = ["00:aa:bb:00:00:04", "00:aa:bb:00:00:05"]
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sw_addrs = ["10.0.0.1", "192.168.0.1"]
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for n in xrange(2):
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h = net.get('h%d' % (n + 1))
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h.setARP(sw_addrs[n], sw_macs[n])
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h.setDefaultRoute("dev eth0 via %s" % sw_addrs[n])
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for n in xrange(2):
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h = net.get('h%d' % (n + 1))
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h.describe()
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sleep(1)
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cmd = [args.cli, args.json, str(args.thrift_port)]
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with open("commands.txt", "r") as f:
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print " ".join(cmd)
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try:
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output = subprocess.check_output(cmd, stdin = f)
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print output
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except subprocess.CalledProcessError as e:
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print e
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print e.output
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sleep(1)
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print "Ready !"
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CLI( net )
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net.stop()
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if __name__ == '__main__':
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setLogLevel( 'info' )
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main()
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