--- /dev/null
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+import getpass
+import os
+import re
+import sys
+import shutil
+import signal
+import tempfile
+import time
+import struct
+import socket
+import operator
+import ipaddr
+import gzip
+import random
+import traceback
+import math
+import subprocess
+
+sys.path.append("../../src")
+
+from nepi.core.design import ExperimentDescription, FactoriesProvider
+from nepi.core.execute import ExperimentController
+from nepi.util import proxy
+from nepi.util.constants import DeploymentConfiguration as DC, ATTR_NEPI_TESTBED_ENVIRONMENT_SETUP
+from nepi.testbeds.planetlab import util as plutil
+from optparse import OptionParser
+
+
+class PlanetLabMulticastOverlay:
+ testbed_id = "planetlab"
+ slicename = "inria_nepi"
+ plchost = "www.planet-lab.eu"
+ plkey = os.environ.get(
+ "PL_SSH_KEY",
+ "%s/.ssh/id_rsa_planetlab" % (os.environ['HOME'],) )
+ pluser = os.environ.get("PL_USER")
+ plpass = os.environ.get("PL_PASS")
+ vnet = "192.168.3.0"
+ user = os.getlogin()
+
+ port_base = 2000 + (os.getpid() % 1000) * 13
+
+ def setUp(self):
+ self.root_dir = tempfile.mkdtemp()
+ self.__class__.port_base = self.__class__.port_base + 100
+
+ print "Using:"
+ print "\tDISPLAY:", os.environ['DISPLAY']
+ print "\tPLC:", self.plchost
+ print "\tUsername:", self.pluser
+ print "\tslice:", self.slicename
+
+ api = plutil.getAPI(self.pluser, self.plpass, hostname=self.plchost)
+ self.vnet = plutil.getVnet(api, self.slicename).split('/')[0].strip()
+
+ print "\tvnet:", self.vnet
+
+ def tearDown(self):
+ try:
+ shutil.rmtree(self.root_dir)
+ except:
+ # retry
+ time.sleep(0.1)
+ shutil.rmtree(self.root_dir)
+
+ def make_experiment_desc(self):
+ testbed_id = self.testbed_id
+ slicename = self.slicename
+ plchost = self.plchost
+ pl_ssh_key = self.plkey
+ pl_user = self.pluser
+ pl_pwd = self.plpass
+
+ plroot_dir = os.path.join(self.root_dir,"pl")
+ if not os.path.exists(plroot_dir):
+ os.makedirs(plroot_dir)
+
+ exp_desc = ExperimentDescription()
+ pl_provider = FactoriesProvider(testbed_id)
+ pl_desc = exp_desc.add_testbed_description(pl_provider)
+ pl_desc.set_attribute_value(DC.ROOT_DIRECTORY, plroot_dir )
+ pl_desc.set_attribute_value("homeDirectory", self.root_dir)
+ pl_desc.set_attribute_value("slice", slicename)
+ pl_desc.set_attribute_value("sliceSSHKey", pl_ssh_key)
+ pl_desc.set_attribute_value("authUser", pl_user)
+ pl_desc.set_attribute_value("authPass", pl_pwd)
+ pl_desc.set_attribute_value("plcHost", plchost)
+ pl_desc.set_attribute_value("tapPortBase", self.port_base)
+ pl_desc.set_attribute_value("p2pDeployment", not self.no_p2p_deploy)
+ pl_desc.set_attribute_value("dedicatedSlice", True)
+ pl_desc.set_attribute_value("plLogLevel", "INFO")
+
+ return pl_desc, exp_desc
+
+ def make_pl_tapnode(self, pl, ip, inet = None, label = None, hostname = None, routes = None, mcast = False, mcastrouter = False, types = None):
+ if not isinstance(ip, list):
+ ips = [ip]
+ else:
+ ips = ip
+ node1 = pl.create("Node")
+ if label:
+ node1.set_attribute_value("label", label)
+ if hostname:
+ node1.set_attribute_value("hostname", hostname)
+ iface1 = pl.create("NodeInterface")
+ if label:
+ iface1.set_attribute_value("label", label+"iface")
+ if types is None:
+ types = ["TapInterface"] * len(ips)
+ tap1 = []
+ tap1ip = []
+ for i,(ip,devtype) in enumerate(zip(ips,types)):
+ _tap1 = pl.create(devtype)
+ _tap1.set_attribute_value("multicast", True)
+ _tap1.enable_trace("pcap") # for error output
+ if label:
+ _tap1.set_attribute_value("label", label+"tap"+(str(i+1) if i else ""))
+
+ _tap1ip = _tap1.add_address()
+ _tap1ip.set_attribute_value("Address", ip)
+ _tap1ip.set_attribute_value("NetPrefix", 32)
+ _tap1ip.set_attribute_value("Broadcast", False)
+
+ node1.connector("devs").connect(_tap1.connector("node"))
+
+ tap1.append(_tap1)
+ tap1ip.append(_tap1ip)
+
+ inet = inet or pl.create("Internet")
+ node1.connector("devs").connect(iface1.connector("node"))
+ iface1.connector("inet").connect(inet.connector("devs"))
+
+ for destip, destprefix, nexthop in routes:
+ r1 = node1.add_route()
+ r1.set_attribute_value("Destination", destip)
+ r1.set_attribute_value("NetPrefix", destprefix)
+ r1.set_attribute_value("NextHop", nexthop)
+
+ if mcast:
+ fwd = pl.create("MulticastForwarder")
+ fwd.enable_trace("stderr")
+ fwd.connector("node").connect(node1.connector("apps"))
+ if mcastrouter:
+ mrt = pl.create("MulticastRouter")
+ mrt.connector("fwd").connect(fwd.connector("router"))
+ mrt.enable_trace("stderr")
+
+ return node1, iface1, tap1, tap1ip, inet
+
+ def add_vlc_base(self, pl, node):
+ app = pl.create("Application")
+ app.set_attribute_value("rpmFusion", True)
+ app.set_attribute_value("depends", "vlc")
+ app.set_attribute_value("command", "sudo -S dbus-uuidgen --ensure ; vlc --version")
+ app.enable_trace("stdout")
+ app.enable_trace("stderr")
+ node.connector("apps").connect(app.connector("node"))
+ return app
+
+ def add_vlc_restreamer(self, pl, node):
+ hostname = node.get_attribute_value("hostname")
+ app = self.add_vlc_base(pl, node)
+ app.set_attribute_value("label","vlc_restreamer_%d" % (node.guid,))
+ app.set_attribute_value("command",
+ "sudo -S dbus-uuidgen --ensure ; "
+ "vlc -vvv -I dummy"
+ " udp/ts://@239.255.12.42"
+ " --sout '#std{access=http,mux=ts,dst="+hostname+":8080}'")
+ return app
+
+ def add_vlc_dumper(self, pl, node, hostname=None, labelprefix = "vlc_dumper", precmd = "sleep 5 ; "):
+ app = self.add_vlc_base(pl, node)
+ mylabel = "%s_%d" % (labelprefix, node.guid,)
+ if hostname is None:
+ hostname = node.get_attribute_value("hostname")
+ app.set_attribute_value("label",mylabel)
+ app.set_attribute_value("command",
+ precmd+
+ "sudo -S dbus-uuidgen --ensure ; "
+ "vlc -vvv -I dummy"
+ " http://"+hostname+":8080"
+ " --sout '#std{access=file,mux=ts,dst={#["+mylabel+"].trace[output].[name]#}}'")
+ app.enable_trace("output")
+ return app
+
+ def add_vlc_source(self, pl, node, iflabels):
+ app = self.add_vlc_base(pl, node)
+ app.set_attribute_value("label","vlc_source_%d" % (node.guid,))
+ app.set_attribute_value("sources", self.movie_source)
+ app.set_attribute_value("command",
+ "sudo -S dbus-uuidgen --ensure ; "
+ "vlc -vvv -I dummy "
+ +os.path.basename(self.movie_source)
+ +" --sout '#duplicate{"
+ +','.join([
+ "dst=std{access=udp,dst=239.255.12.42,mux=ts,ttl=64,miface-addr={#[%s].addr[0].[Address]#}}" % (iflabel,)
+ for iflabel in iflabels
+ ])
+ +"}'")
+ return app
+
+ def add_net_monitor(self, pl, node):
+ app = pl.create("Application")
+ app.set_attribute_value("label","network_monitor_%d" % (node.guid,))
+ app.set_attribute_value("command",
+ r"""head -n 2 /proc/net/dev ; while true ; do cat /proc/net/dev | sed -r 's/.*/'"$(date -R)"': \0/' | grep eth0 ; sleep 1 ; done""")
+ app.enable_trace("stdout")
+ node.connector("apps").connect(app.connector("node"))
+ return app
+
+ def add_ip_address(self, iface, address, netprefix):
+ ip = iface.add_address()
+ ip.set_attribute_value("Address", address)
+ ip.set_attribute_value("NetPrefix", netprefix)
+
+ def add_route(self, node, destination, netprefix, nexthop):
+ route = node.add_route()
+ route.set_attribute_value("Destination", destination)
+ route.set_attribute_value("NetPrefix", netprefix)
+ route.set_attribute_value("NextHop", nexthop)
+
+ def make_ns_in_pl(self, pl, exp, node1, iface1, root):
+ ns3_testbed_id = "ns3"
+
+ # Add NS3 support in node1
+ plnepi = pl.create("NepiDependency")
+ plns3 = pl.create("NS3Dependency")
+ plnepi.connector("node").connect(node1.connector("deps"))
+ plns3.connector("node").connect(node1.connector("deps"))
+
+ # Create NS3 testbed running in node1
+ ns3_provider = FactoriesProvider(ns3_testbed_id)
+ ns_desc = exp.add_testbed_description(ns3_provider)
+ ns_desc.set_attribute_value("rootDirectory", root)
+ ns_desc.set_attribute_value("SimulatorImplementationType", "ns3::RealtimeSimulatorImpl")
+ ns_desc.set_attribute_value("ChecksumEnabled", True)
+ ns_desc.set_attribute_value(DC.DEPLOYMENT_HOST, "{#[%s].addr[0].[Address]#}" % (
+ iface1.get_attribute_value("label"),))
+ ns_desc.set_attribute_value(DC.DEPLOYMENT_USER,
+ pl.get_attribute_value("slice"))
+ ns_desc.set_attribute_value(DC.DEPLOYMENT_KEY,
+ pl.get_attribute_value("sliceSSHKey"))
+ ns_desc.set_attribute_value(DC.DEPLOYMENT_MODE, DC.MODE_DAEMON)
+ ns_desc.set_attribute_value(DC.DEPLOYMENT_COMMUNICATION, DC.ACCESS_SSH)
+ ns_desc.set_attribute_value(DC.DEPLOYMENT_ENVIRONMENT_SETUP,
+ "{#[%s].[%s]#}" % (
+ node1.get_attribute_value("label"),
+ ATTR_NEPI_TESTBED_ENVIRONMENT_SETUP,))
+ ns_desc.set_attribute_value(DC.LOG_LEVEL, DC.DEBUG_LEVEL)
+
+ return ns_desc
+
+ def add_ip_address(self, iface, address, netprefix, broadcast = False):
+ ip = iface.add_address()
+ ip.set_attribute_value("Address", address)
+ ip.set_attribute_value("NetPrefix", netprefix)
+ ip.set_attribute_value("Broadcast", broadcast)
+ return ip
+
+ def add_route(self, node, destination, netprefix, nexthop):
+ route = node.add_route()
+ route.set_attribute_value("Destination", destination)
+ route.set_attribute_value("NetPrefix", netprefix)
+ route.set_attribute_value("NextHop", nexthop)
+ return route
+
+ def add_ns_fdnd(self, ns_desc, node):
+ fdnd = ns_desc.create("ns3::FdNetDevice")
+ node.connector("devs").connect(fdnd.connector("node"))
+ #fdnd.enable_trace("FdPcapTrace")
+ return fdnd
+
+ def add_ns_node(self, ns_desc):
+ node = ns_desc.create("ns3::Node")
+ ipv4 = ns_desc.create("ns3::Ipv4L3Protocol")
+ arp = ns_desc.create("ns3::ArpL3Protocol")
+ icmp = ns_desc.create("ns3::Icmpv4L4Protocol")
+ udp = ns_desc.create("ns3::UdpL4Protocol")
+ node.connector("protos").connect(ipv4.connector("node"))
+ node.connector("protos").connect(arp.connector("node"))
+ node.connector("protos").connect(icmp.connector("node"))
+ node.connector("protos").connect(udp.connector("node"))
+ return node
+
+ def add_ns_wifi_dev(self, ns_desc, node, access_point = False):
+ wifi = ns_desc.create("ns3::WifiNetDevice")
+ node.connector("devs").connect(wifi.connector("node"))
+
+ phy = ns_desc.create("ns3::YansWifiPhy")
+ error = ns_desc.create("ns3::NistErrorRateModel")
+ manager = ns_desc.create("ns3::ArfWifiManager")
+ if access_point:
+ mac = ns_desc.create("ns3::ApWifiMac")
+ else:
+ mac = ns_desc.create("ns3::StaWifiMac")
+
+ phy.set_attribute_value("Standard", "WIFI_PHY_STANDARD_80211a")
+ mac.set_attribute_value("Standard", "WIFI_PHY_STANDARD_80211a")
+ phy.connector("err").connect(error.connector("phy"))
+ wifi.connector("phy").connect(phy.connector("dev"))
+ wifi.connector("mac").connect(mac.connector("dev"))
+ wifi.connector("manager").connect(manager.connector("dev"))
+
+ #phy.enable_trace("YansWifiPhyPcapTrace")
+ return wifi, phy
+
+ def add_ns_constant_mobility(self, ns_desc, node, x, y, z):
+ mobility = ns_desc.create("ns3::ConstantPositionMobilityModel")
+ position = "%d:%d:%d" % (x, y, z)
+ mobility.set_attribute_value("Position", position)
+ node.connector("mobility").connect(mobility.connector("node"))
+ return mobility
+
+ def add_ns_wifi_channel(self, ns_desc):
+ channel = ns_desc.create("ns3::YansWifiChannel")
+ delay = ns_desc.create("ns3::ConstantSpeedPropagationDelayModel")
+ loss = ns_desc.create("ns3::LogDistancePropagationLossModel")
+ channel.connector("delay").connect(delay.connector("chan"))
+ channel.connector("loss").connect(loss.connector("prev"))
+ return channel
+
+ def make_netns_testbed(self, exp_desc):
+ netns_provider = FactoriesProvider("netns")
+ netns_desc = exp_desc.add_testbed_description(netns_provider)
+ netns_desc.set_attribute_value("homeDirectory", self.root_dir)
+ netns_desc.set_attribute_value(DC.DEPLOYMENT_MODE, DC.MODE_DAEMON)
+ netns_root_dir = os.path.join(self.root_dir, "netns")
+ os.mkdir(netns_root_dir)
+ netns_desc.set_attribute_value(DC.ROOT_DIRECTORY, netns_root_dir)
+ netns_desc.set_attribute_value(DC.LOG_LEVEL, DC.DEBUG_LEVEL)
+ netns_desc.set_attribute_value(DC.USE_SUDO, True)
+ return netns_desc
+
+ def add_netns_node(self, netns_desc, forwardX = True, label = None):
+ node = netns_desc.create("Node")
+ node.set_attribute_value("forward_X11", forwardX)
+ if label:
+ node.set_attribute_value("label", label)
+ return node
+
+ def add_netns_app(self, netns_desc, command, node):
+ app = netns_desc.create("Application")
+ app.set_attribute_value("command", command)
+ app.set_attribute_value("user", self.user)
+ app.connector("node").connect(node.connector("apps"))
+ return app
+
+ def add_pl_netns_connection(self,
+ pl_tap,
+ netns_desc, netns_node, netns_addr, netns_prefix = 30,
+ taplabel = None):
+ pl_tap.set_attribute_value("tun_cipher", "PLAIN")
+ pl_tap.set_attribute_value("multicast", True)
+ #pl_tap.enable_trace("pcap")
+ #pl_tap.enable_trace("packets")
+ pl_tapip = pl_tap.addresses[0].get_attribute_value("Address")
+ netns_tap = netns_desc.create("TunNodeInterface")
+ netns_tap.set_attribute_value("up", True)
+ netns_tap.set_attribute_value("mtu", 1448)
+ self.add_ip_address(netns_tap, netns_addr, netns_prefix)
+ if taplabel:
+ netns_tap.set_attribute_value("label", taplabel)
+ netns_node.connector("devs").connect(netns_tap.connector("node"))
+ netns_tunchannel = netns_desc.create("TunChannel")
+ netns_tunchannel.set_attribute_value("tun_cipher", "PLAIN")
+ netns_tunchannel.connector("->fd").connect(netns_tap.connector("fd->"))
+ pl_tap.connector("tcp").connect(netns_tunchannel.connector("tcp"))
+
+ pl_tap.set_attribute_value("tun_cipher", "PLAIN")
+ pl_tap.set_attribute_value("pointopoint", netns_addr)
+
+ def add_pl_ns_connection(self, pl_desc, pl_node, pl_addr,
+ ns, ns_node, ns_addr, prefix = 30,
+ fd = False):
+ pl_tap = pl_desc.create("TapInterface")
+ if fd:
+ pl_tap.set_attribute_value("tun_cipher", "PLAIN")
+ self.add_ip_address(pl_tap, pl_addr, prefix)
+ pl_node.connector("devs").connect(pl_tap.connector("node"))
+ ns_fdnd = ns.create("ns3::FdNetDevice")
+ ns_node.connector("devs").connect(ns_fdnd.connector("node"))
+ self.add_ip_address(ns_fdnd, ns_addr, prefix)
+
+ if fd:
+ pl_tap.connector("fd->").connect(ns_fdnd.connector("->fd"))
+ else:
+ tunchannel = ns.create("ns3::Nepi::TunChannel")
+ tunchannel.connector("fd->").connect(ns_fdnd.connector("->fd"))
+ pl_tap.connector("udp").connect(tunchannel.connector("udp"))
+
+ def make_pl_overlay(self, numnodes):
+ ns3_testbed_id = "ns3"
+
+ pl, exp = self.make_experiment_desc()
+
+ # We'll make a distribution spanning tree using prefix matching as a distance
+ api = plutil.getAPI(self.pluser, self.plpass, hostname=self.plchost)
+ nodes = plutil.getNodes(api, numnodes, operatingSystem = 'f12')
+ root = min(nodes, key=operator.attrgetter('hostname'))
+ links = list(plutil.getSpanningTree(nodes, root=root))
+
+ for node in nodes:
+ node.vif_ips = set()
+ node.children = []
+ node.childips = set()
+
+ # Build an explicit tree
+ for slave, master in links:
+ master.children.append(slave)
+
+ # We have to assign IPs and routes.
+ # The IP will be assigned sequentially, depth-first.
+ # This will result in rather compact routing rules
+ nextip = [128-numnodes]
+ def traverse(traverse, node, parent=None, base=struct.unpack('!L',socket.inet_aton(self.vnet))[0]):
+ if nextip[0] >= 254:
+ raise RuntimeError, "Too many IPs to assign!"
+
+ node.vif_addr = base | (nextip[0])
+ nips = 1+len(node.children) # one vif per child, plus one for the parent
+ nextip[0] += nips
+
+ for i in xrange(nips):
+ node.vif_ips.add(node.vif_addr+i)
+
+ if parent:
+ parent.childips.update(node.vif_ips)
+
+ for i,child in enumerate(node.children):
+ traverse(traverse, child, node, base)
+
+ if parent:
+ parent.childips.update(node.childips)
+
+ traverse(traverse, root)
+
+ def printtree(printtree, node, indent=''):
+ print indent, '-', socket.inet_ntoa(struct.pack('!L',node.vif_addr)), '\t', node.country, node.city, node.site, '\t', node.hostname
+ for child in node.children:
+ childips = map(ipaddr.IPAddress, child.childips)
+ childnets = ipaddr.collapse_address_list(childips)
+ cip = ipaddr.IPAddress(child.vif_addr)
+ for cnet in childnets:
+ print indent, '|- R', cnet, '->', cip
+ printtree(printtree, child, indent+' | ')
+ printtree(printtree, root)
+
+ inet = pl.create("Internet")
+
+ ns_chosen = []
+ leaves = []
+
+ def maketree(maketree, node, parent=None, parentIp=None):
+ routes = []
+ ctaps = []
+ for i,child in enumerate(node.children):
+ childips = map(ipaddr.IPAddress, child.childips)
+ childnets = ipaddr.collapse_address_list(childips)
+ cip = ipaddr.IPAddress(child.vif_addr)
+ pip = ipaddr.IPAddress(node.vif_addr+1+i)
+ for cnet in childnets:
+ routes.append((cnet.ip.exploded, cnet.prefixlen, cip.exploded))
+ ctaps.append( maketree(maketree, child, node, pip) )
+ if parentIp:
+ routes.append((self.vnet,24,parentIp))
+
+ if not parent:
+ label = "root"
+ else:
+ label = None
+
+ # NS node, first leaf
+ if not ns_chosen and not node.children:
+ ns_chosen.append(True)
+ label = "ns_root"
+
+ ips = [ ipaddr.IPAddress(node.vif_addr+i) for i in xrange(1+len(node.children)) ]
+ node1, iface1, tap1, tap1ip, _ = self.make_pl_tapnode(pl, ips, inet,
+ hostname = node.hostname,
+ routes = routes,
+ mcastrouter = bool(node.children),
+ mcast = True,
+ label = label,
+ types = ( [ "TapInterface" ] * len(ips) if parent else [ "TunInterface" ] + [ "TapInterface" ] * (len(ips)-1) )
+ )
+
+ for tap, ctap in zip(tap1[1:], ctaps):
+ tap.connector("udp").connect(ctap.connector("udp"))
+
+ # Store leaves
+ if not node.children:
+ leaves.append((node, node1))
+
+ self.add_net_monitor(pl, node1)
+ self.add_vlc_dumper(pl, node1)
+ self.add_vlc_restreamer(pl, node1)
+ #if not parent:
+ # taplabels = [
+ # t.get_attribute_value("label")
+ # for t in tap1[1:]
+ # ]
+ # self.add_vlc_source(pl, node1, taplabels)
+
+ return tap1[0]
+ roottap = maketree(maketree, root)
+
+ vnet_i = int(ipaddr.IPAddress(self.vnet))
+
+ ## NS3 ##
+ pl_ns_root = exp.get_element_by_label("ns_root")
+ pl_ns_root_iface = exp.get_element_by_label("ns_rootiface")
+ ns = self.make_ns_in_pl(pl, exp, pl_ns_root, pl_ns_root_iface, "ns3")
+ wifi_chan = self.add_ns_wifi_channel(ns)
+
+ # AP node
+ ap_node = self.add_ns_node(ns)
+ self.add_ns_constant_mobility(ns, ap_node, 0, 0, 0)
+ ap_wifi, ap_phy = self.add_ns_wifi_dev(ns, ap_node, access_point = True)
+ ap_phy.connector("chan").connect(wifi_chan.connector("phys"))
+
+ # connect AP to PL
+ pl_addr = str(ipaddr.IPAddress(vnet_i | 254))
+ ns_addr = str(ipaddr.IPAddress(vnet_i | 253))
+ self.add_pl_ns_connection(pl, pl_ns_root, pl_addr, ns, ap_node, ns_addr, fd = True)
+
+ wifi_net_prefix = 32-int(math.floor(math.log(256-nextip[0]&0xff) / math.log(2)))
+ wifi_net = vnet_i | (256 - (1<<(32-wifi_net_prefix)))
+
+ # AP ip
+ ap_addr = str(ipaddr.IPAddress(vnet_i | 253))
+ ap_addr_prefix = 32-int(math.ceil(math.log(self.nsta+3) / math.log(2)))
+ self.add_ip_address(ap_wifi, ap_addr, ap_addr_prefix)
+
+ # route for PL->wifi
+ self.add_route(pl_ns_root,
+ str(ipaddr.IPAddress(wifi_net)), wifi_net_prefix,
+ ap_addr)
+
+ print "NS-3 AP\t%s/%s <--> PL AP %s" % (ap_addr, ap_addr_prefix, pl_addr)
+ print " |"
+
+ nextpip = (vnet_i | 255) >> (32-ap_addr_prefix) << (32-ap_addr_prefix)
+ nextdip = vnet_i | 252
+ ap_net = nextpip - (1<<(32-ap_addr_prefix))
+ r = 50
+ # STA nodes
+ for i in xrange(self.nsta):
+ stai = self.add_ns_node(ns)
+ angi = (360/self.nsta)*i
+ xi = r*math.cos(angi)
+ yi = r*math.sin(angi)
+ self.add_ns_constant_mobility(ns, stai, xi, yi, 0)
+ wifi, phy = self.add_ns_wifi_dev(ns, stai, access_point = False)
+ phy.connector("chan").connect(wifi_chan.connector("phys"))
+
+ wifi_addr = str(ipaddr.IPAddress(vnet_i | nextdip))
+ nextdip -= 1
+
+ nextpip -= 4
+ while nextpip & 3:
+ nextpip -= 1
+ plns_net_i = nextpip
+ plns_net = str(ipaddr.IPAddress(plns_net_i))
+ pl_addr2 = str(ipaddr.IPAddress(plns_net_i | 1))
+ ns_addr2 = str(ipaddr.IPAddress(plns_net_i | 2))
+
+ # route from AP (after others)
+ print " | R %s/%s -> %s" % ( plns_net,30,ns_addr2 )
+ self.add_route(ap_node, plns_net, 30, wifi_addr)
+
+ print " +---\t(|) %16s/%s" % (wifi_addr,ap_addr_prefix)
+ print " | %16s (ns3) <---> (pl) %16s/30" % (ns_addr2, pl_addr2)
+ print " |\t \t\t <-- R %s/24" % (self.vnet, )
+ print " |\t \t R %s/30 -> %s" % (plns_net, pl_addr2)
+ print " |\t \t R %s <-- %s/24" % (ap_addr, plns_net)
+
+ self.add_ip_address(wifi, wifi_addr, ap_addr_prefix)
+ self.add_route(stai, plns_net, 30, pl_addr2)
+ self.add_route(stai, self.vnet, 24, ap_addr)
+
+ pl_nodei, _, pl_ifacei, _, _ = self.make_pl_tapnode(pl, [], inet,
+ routes = [(self.vnet, 24, ns_addr2)],
+ mcast = False,
+ label = "ns_plnode_%d" % (i+1,)
+ )
+
+ self.add_pl_ns_connection(
+ pl, pl_nodei, pl_addr2,
+ ns, stai, ns_addr2,
+ prefix = 30)
+
+ self.add_vlc_dumper(pl, pl_nodei,
+ hostname = pl_addr2,
+ labelprefix = "vlc_dumper_ns",
+ precmd = "sleep 15 ; ")
+
+ # Validate (post-fact to let the user see the diagram above)
+ if nextpip < wifi_net:
+ raise RuntimeError, "Not enough IPs for wifi section"
+
+ # route back to PL (after others)
+ print " | R %s/%s -> %s" % ( self.vnet,24,pl_addr )
+ self.add_route(ap_node, self.vnet, 24, pl_addr)
+
+
+ ## NETNS ##
+ netns_addr = str(ipaddr.IPAddress(vnet_i | 1))
+
+ root1 = exp.get_element_by_label("root")
+ netns = self.make_netns_testbed(exp)
+ netns_node = self.add_netns_node(netns)
+ netns_term = self.add_netns_app(netns, "xterm", netns_node)
+ if self.movie_source:
+ cmd = (
+ "vlc -I dummy "
+ +os.path.abspath(self.movie_source)
+ +" --sout '#std{access=udp{ttl=64,miface-addr="+netns_addr+"},dst=239.255.12.42,mux=ts}'"
+ )
+ else:
+ cmd = self.movie_command % {
+ "dst" : "std{access=udp{ttl=64,miface-addr="+netns_addr+"},dst=239.255.12.42,mux=ts}"
+ }
+ netns_vlc = self.add_netns_app(netns, cmd, netns_node)
+
+ # connection PL1/NETNS
+ self.add_pl_netns_connection(
+ roottap,
+ netns, netns_node, netns_addr,
+ 24,
+ taplabel="netns_source")
+ self.add_route(netns_node,
+ "0.0.0.0", 0,
+ str(ipaddr.IPAddress(root.vif_addr)) )
+
+ # pick random hostname to stream from
+ interactive_source_host = random.sample(leaves,1)[0][0].hostname
+
+ xml = exp.to_xml()
+ test_dir = "./results"
+ #sys.exit(1)
+
+ try:
+ controller = ExperimentController(xml, self.root_dir)
+ controller.start()
+
+ # launch vlc client to monitor activity
+ time.sleep(5)
+ proc = subprocess.Popen([
+ "vlc", "-I", "dummy", "http://%s:8080" % (interactive_source_host,)])
+
+ print >>sys.stderr, "Close xterm to shut down or Ctrl+C"
+ try:
+ while not controller.is_finished(netns_term.guid):
+ time.sleep(5)
+ except KeyboardInterrupt:
+ # ping netns
+ try:
+ controller.traces_info()
+ except:
+ pass
+ try:
+ controller.traces_info()
+ except:
+ pass
+
+ # kill streamer
+ os.kill(proc.pid, signal.SIGTERM)
+
+ # download results
+ traces_info = controller.traces_info()
+ for progress, (testbed_guid, guids) in enumerate(traces_info.iteritems()):
+ for subprogress, (guid, traces) in enumerate(guids.iteritems()):
+ for name, data in traces.iteritems():
+ path = data["filepath"]
+ elem = exp.get_element(guid)
+ if elem is not None:
+ label = elem.get_attribute_value("label")
+ if label is not None:
+ path = "%s-%s" % (label,path)
+
+ if not path:
+ continue
+
+ print >>sys.stderr, ("%.2f%% Downloading trace" % (progress + (subprogress * 1.0 / len(guids)) * 100.0 / len(traces_info))), path
+
+ filepath = os.path.join(test_dir, path)
+
+ try:
+ trace = controller.trace(guid, name)
+ except:
+ traceback.print_exc(file=sys.stderr)
+ continue
+ try:
+ if not os.path.exists(os.path.dirname(filepath)):
+ os.makedirs(os.path.dirname(filepath))
+ except:
+ traceback.print_exc(file=sys.stderr)
+
+ try:
+ if len(trace) >= 2**20:
+ # Bigger than 1M, compress
+ tracefile = gzip.GzipFile(filepath+".gz", "wb")
+ else:
+ tracefile = open(filepath,"wb")
+ try:
+ tracefile.write(trace)
+ finally:
+ tracefile.close()
+ except:
+ traceback.print_exc(file=sys.stderr)
+ finally:
+ try:
+ controller.stop()
+ except:
+ traceback.print_exc()
+ try:
+ controller.shutdown()
+ except:
+ traceback.print_exc()
+
+
+if __name__ == '__main__':
+ usage = "usage: %prog -m movie -u user"
+ parser = OptionParser(usage=usage)
+ parser.add_option("-u", "--user", dest="user", help="Valid linux system user (not root).", type="str")
+ parser.add_option("-U", "--pluser", dest="pluser", help="PlanetLab PLC username", type="str")
+ parser.add_option("-m", "--movie", dest="movie", help="Path to movie file to play", type="str")
+ parser.add_option("-n", "--nsta", dest="nsta", default=3, help="Number of wifi stations attached to the overlay", type="int")
+ parser.add_option("-N", "--nodes", dest="nodes", default=5, help="Number of overlay nodes", type="int")
+ parser.add_option("-s", "--slicename", dest="slicename", help="PlanetLab slice", type="str")
+ parser.add_option("-H", "--plchost", dest="plchost", help="PlanetLab's PLC hostname", type="str")
+ parser.add_option("-k", "--plkey", dest="plkey", help="Slice SSH key", type="str")
+ parser.add_option("-P", "--no-p2p", dest="nop2p", help="Disable peer-to-peer deployment. Not recommended for first deployment.",
+ action="store_true", default=False)
+ (options, args) = parser.parse_args()
+ if options.user == 'root':
+ parser.error("Missing or invalid 'user' option.")
+
+ exp = PlanetLabMulticastOverlay()
+ if not options.movie or options.movie.startswith("/dev/"):
+ # use camera
+ if not options.movie:
+ options.movie = "/dev/video0"
+ exp.movie_source = None
+ exp.movie_command = (
+ "vlc -I dummy -vvv --color "
+ "v4l:///dev/video0:size=320x240:channel=0:adev=/dev/dsp:audio=0 "
+ "--sout '#transcode{vcodec=mpeg4,acodec=aac,vb=100,ab=16,venc=ffmpeg{keyint=80,hq=rd},deinterlace}:"
+ "%(dst)s'"
+ )
+ else:
+ exp.movie_source = options.movie
+ exp.no_p2p_deploy = options.nop2p
+ exp.nsta = options.nsta
+ if options.user:
+ exp.user = options.user
+ if options.plchost:
+ exp.plchost = options.plchost
+ if options.slicename:
+ exp.slicename = options.slicename
+ if options.plkey:
+ exp.plkey = options.plkey
+ if options.pluser:
+ exp.pluser = options.pluser
+ if not exp.plpass:
+ exp.plpass = getpass.getpass("Password for %s: " % (exp.pluser,))
+
+ # Fix some distro's environment to work well with netns
+ if re.match(r"[^:]*:\d+", os.environ['DISPLAY']):
+ os.environ['DISPLAY'] += '.0'
+ if not os.environ.get('XAUTHORITY'):
+ os.environ['XAUTHORITY'] = os.path.join(os.environ['HOME'], '.Xauthority')
+
+ try:
+ exp.setUp()
+ exp.make_pl_overlay(options.nodes)
+ finally:
+ exp.tearDown()
+
git://git.onelab.eu / nepi.git / commitdiff