2 # -*- coding: utf-8 -*-
22 sys.path.append("../../src")
24 from nepi.core.design import ExperimentDescription, FactoriesProvider
25 from nepi.core.execute import ExperimentController
26 from nepi.util import proxy
27 from nepi.util.constants import DeploymentConfiguration as DC, ATTR_NEPI_TESTBED_ENVIRONMENT_SETUP
28 from nepi.testbeds.planetlab import util as plutil
29 from optparse import OptionParser
32 class PlanetLabMulticastOverlay:
33 testbed_id = "planetlab"
34 slicename = "inria_nepi"
35 plchost = "www.planet-lab.eu"
36 plkey = os.environ.get(
38 "%s/.ssh/id_rsa_planetlab" % (os.environ['HOME'],) )
39 pluser = os.environ.get("PL_USER")
40 plpass = os.environ.get("PL_PASS")
44 port_base = 2000 + (os.getpid() % 1000) * 13
47 self.root_dir = tempfile.mkdtemp()
48 self.__class__.port_base = self.__class__.port_base + 100
51 print "\tDISPLAY:", os.environ['DISPLAY']
52 print "\tPLC:", self.plchost
53 print "\tUsername:", self.pluser
54 print "\tslice:", self.slicename
56 api = plutil.getAPI(self.pluser, self.plpass, hostname=self.plchost)
57 self.vnet = plutil.getVnet(api, self.slicename).split('/')[0].strip()
59 print "\tvnet:", self.vnet
63 shutil.rmtree(self.root_dir)
67 shutil.rmtree(self.root_dir)
69 def make_experiment_desc(self):
70 testbed_id = self.testbed_id
71 slicename = self.slicename
72 plchost = self.plchost
73 pl_ssh_key = self.plkey
77 plroot_dir = os.path.join(self.root_dir,"pl")
78 if not os.path.exists(plroot_dir):
79 os.makedirs(plroot_dir)
81 exp_desc = ExperimentDescription()
82 pl_provider = FactoriesProvider(testbed_id)
83 pl_desc = exp_desc.add_testbed_description(pl_provider)
84 pl_desc.set_attribute_value(DC.ROOT_DIRECTORY, plroot_dir )
85 pl_desc.set_attribute_value("homeDirectory", self.root_dir)
86 pl_desc.set_attribute_value("slice", slicename)
87 pl_desc.set_attribute_value("sliceSSHKey", pl_ssh_key)
88 pl_desc.set_attribute_value("authUser", pl_user)
89 pl_desc.set_attribute_value("authPass", pl_pwd)
90 pl_desc.set_attribute_value("plcHost", plchost)
91 pl_desc.set_attribute_value("tapPortBase", self.port_base)
92 pl_desc.set_attribute_value("p2pDeployment", not self.no_p2p_deploy)
93 pl_desc.set_attribute_value("dedicatedSlice", True)
94 pl_desc.set_attribute_value("plLogLevel", "INFO")
96 return pl_desc, exp_desc
98 def make_pl_tapnode(self, pl, ip, inet = None, label = None, hostname = None, routes = None, mcast = False, mcastrouter = False, types = None):
99 if not isinstance(ip, list):
103 node1 = pl.create("Node")
105 node1.set_attribute_value("label", label)
107 node1.set_attribute_value("hostname", hostname)
108 iface1 = pl.create("NodeInterface")
110 iface1.set_attribute_value("label", label+"iface")
112 types = ["TapInterface"] * len(ips)
115 for i,(ip,devtype) in enumerate(zip(ips,types)):
116 _tap1 = pl.create(devtype)
117 _tap1.set_attribute_value("multicast", True)
118 _tap1.enable_trace("pcap") # for error output
120 _tap1.set_attribute_value("label", label+"tap"+(str(i+1) if i else ""))
122 _tap1ip = _tap1.add_address()
123 _tap1ip.set_attribute_value("Address", ip)
124 _tap1ip.set_attribute_value("NetPrefix", 32)
125 _tap1ip.set_attribute_value("Broadcast", False)
127 node1.connector("devs").connect(_tap1.connector("node"))
130 tap1ip.append(_tap1ip)
132 inet = inet or pl.create("Internet")
133 node1.connector("devs").connect(iface1.connector("node"))
134 iface1.connector("inet").connect(inet.connector("devs"))
136 for destip, destprefix, nexthop in routes:
137 r1 = node1.add_route()
138 r1.set_attribute_value("Destination", destip)
139 r1.set_attribute_value("NetPrefix", destprefix)
140 r1.set_attribute_value("NextHop", nexthop)
143 fwd = pl.create("MulticastForwarder")
144 fwd.enable_trace("stderr")
145 fwd.connector("node").connect(node1.connector("apps"))
147 mrt = pl.create("MulticastRouter")
148 mrt.connector("fwd").connect(fwd.connector("router"))
149 mrt.enable_trace("stderr")
151 return node1, iface1, tap1, tap1ip, inet
153 def add_vlc_base(self, pl, node):
154 app = pl.create("Application")
155 app.set_attribute_value("rpmFusion", True)
156 app.set_attribute_value("depends", "vlc")
157 app.set_attribute_value("command", "sudo -S dbus-uuidgen --ensure ; vlc --version")
158 app.enable_trace("stdout")
159 app.enable_trace("stderr")
160 node.connector("apps").connect(app.connector("node"))
163 def add_vlc_restreamer(self, pl, node):
164 hostname = node.get_attribute_value("hostname")
165 app = self.add_vlc_base(pl, node)
166 app.set_attribute_value("label","vlc_restreamer_%d" % (node.guid,))
167 app.set_attribute_value("command",
168 "sudo -S dbus-uuidgen --ensure ; "
170 " udp/ts://@239.255.12.42"
171 " --sout '#std{access=http,mux=ts,dst="+hostname+":8080}'")
174 def add_vlc_dumper(self, pl, node, hostname=None, labelprefix = "vlc_dumper", precmd = "sleep 5 ; "):
175 app = self.add_vlc_base(pl, node)
176 mylabel = "%s_%d" % (labelprefix, node.guid,)
178 hostname = node.get_attribute_value("hostname")
179 app.set_attribute_value("label",mylabel)
180 app.set_attribute_value("command",
182 "sudo -S dbus-uuidgen --ensure ; "
184 " http://"+hostname+":8080"
185 " --sout '#std{access=file,mux=ts,dst={#["+mylabel+"].trace[output].[name]#}}'")
186 app.enable_trace("output")
189 def add_vlc_source(self, pl, node, iflabels):
190 app = self.add_vlc_base(pl, node)
191 app.set_attribute_value("label","vlc_source_%d" % (node.guid,))
192 app.set_attribute_value("sources", self.movie_source)
193 app.set_attribute_value("command",
194 "sudo -S dbus-uuidgen --ensure ; "
196 +os.path.basename(self.movie_source)
197 +" --sout '#duplicate{"
199 "dst=std{access=udp,dst=239.255.12.42,mux=ts,ttl=64,miface-addr={#[%s].addr[0].[Address]#}}" % (iflabel,)
200 for iflabel in iflabels
205 def add_net_monitor(self, pl, node):
206 app = pl.create("Application")
207 app.set_attribute_value("label","network_monitor_%d" % (node.guid,))
208 app.set_attribute_value("command",
209 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""")
210 app.enable_trace("stdout")
211 node.connector("apps").connect(app.connector("node"))
214 def add_ip_address(self, iface, address, netprefix):
215 ip = iface.add_address()
216 ip.set_attribute_value("Address", address)
217 ip.set_attribute_value("NetPrefix", netprefix)
219 def add_route(self, node, destination, netprefix, nexthop):
220 route = node.add_route()
221 route.set_attribute_value("Destination", destination)
222 route.set_attribute_value("NetPrefix", netprefix)
223 route.set_attribute_value("NextHop", nexthop)
225 def make_ns_in_pl(self, pl, exp, node1, iface1, root):
226 ns3_testbed_id = "ns3"
228 # Add NS3 support in node1
229 plnepi = pl.create("NepiDependency")
230 plns3 = pl.create("NS3Dependency")
231 plnepi.connector("node").connect(node1.connector("deps"))
232 plns3.connector("node").connect(node1.connector("deps"))
234 # Create NS3 testbed running in node1
235 ns3_provider = FactoriesProvider(ns3_testbed_id)
236 ns_desc = exp.add_testbed_description(ns3_provider)
237 ns_desc.set_attribute_value("rootDirectory", root)
238 ns_desc.set_attribute_value("SimulatorImplementationType", "ns3::RealtimeSimulatorImpl")
239 ns_desc.set_attribute_value("ChecksumEnabled", True)
240 ns_desc.set_attribute_value(DC.DEPLOYMENT_HOST, "{#[%s].addr[0].[Address]#}" % (
241 iface1.get_attribute_value("label"),))
242 ns_desc.set_attribute_value(DC.DEPLOYMENT_USER,
243 pl.get_attribute_value("slice"))
244 ns_desc.set_attribute_value(DC.DEPLOYMENT_KEY,
245 pl.get_attribute_value("sliceSSHKey"))
246 ns_desc.set_attribute_value(DC.DEPLOYMENT_MODE, DC.MODE_DAEMON)
247 ns_desc.set_attribute_value(DC.DEPLOYMENT_COMMUNICATION, DC.ACCESS_SSH)
248 ns_desc.set_attribute_value(DC.DEPLOYMENT_ENVIRONMENT_SETUP,
250 node1.get_attribute_value("label"),
251 ATTR_NEPI_TESTBED_ENVIRONMENT_SETUP,))
252 ns_desc.set_attribute_value(DC.LOG_LEVEL, DC.DEBUG_LEVEL)
256 def add_ip_address(self, iface, address, netprefix, broadcast = False):
257 ip = iface.add_address()
258 ip.set_attribute_value("Address", address)
259 ip.set_attribute_value("NetPrefix", netprefix)
260 ip.set_attribute_value("Broadcast", broadcast)
263 def add_route(self, node, destination, netprefix, nexthop):
264 route = node.add_route()
265 route.set_attribute_value("Destination", destination)
266 route.set_attribute_value("NetPrefix", netprefix)
267 route.set_attribute_value("NextHop", nexthop)
270 def add_ns_fdnd(self, ns_desc, node):
271 fdnd = ns_desc.create("ns3::FdNetDevice")
272 node.connector("devs").connect(fdnd.connector("node"))
273 #fdnd.enable_trace("FdPcapTrace")
276 def add_ns_node(self, ns_desc):
277 node = ns_desc.create("ns3::Node")
278 ipv4 = ns_desc.create("ns3::Ipv4L3Protocol")
279 arp = ns_desc.create("ns3::ArpL3Protocol")
280 icmp = ns_desc.create("ns3::Icmpv4L4Protocol")
281 udp = ns_desc.create("ns3::UdpL4Protocol")
282 node.connector("protos").connect(ipv4.connector("node"))
283 node.connector("protos").connect(arp.connector("node"))
284 node.connector("protos").connect(icmp.connector("node"))
285 node.connector("protos").connect(udp.connector("node"))
288 def add_ns_wifi_dev(self, ns_desc, node, access_point = False):
289 wifi = ns_desc.create("ns3::WifiNetDevice")
290 node.connector("devs").connect(wifi.connector("node"))
292 phy = ns_desc.create("ns3::YansWifiPhy")
293 error = ns_desc.create("ns3::NistErrorRateModel")
294 manager = ns_desc.create("ns3::ArfWifiManager")
296 mac = ns_desc.create("ns3::ApWifiMac")
298 mac = ns_desc.create("ns3::StaWifiMac")
300 phy.set_attribute_value("Standard", "WIFI_PHY_STANDARD_80211a")
301 mac.set_attribute_value("Standard", "WIFI_PHY_STANDARD_80211a")
302 phy.connector("err").connect(error.connector("phy"))
303 wifi.connector("phy").connect(phy.connector("dev"))
304 wifi.connector("mac").connect(mac.connector("dev"))
305 wifi.connector("manager").connect(manager.connector("dev"))
307 #phy.enable_trace("YansWifiPhyPcapTrace")
310 def add_ns_constant_mobility(self, ns_desc, node, x, y, z):
311 mobility = ns_desc.create("ns3::ConstantPositionMobilityModel")
312 position = "%d:%d:%d" % (x, y, z)
313 mobility.set_attribute_value("Position", position)
314 node.connector("mobility").connect(mobility.connector("node"))
317 def add_ns_wifi_channel(self, ns_desc):
318 channel = ns_desc.create("ns3::YansWifiChannel")
319 delay = ns_desc.create("ns3::ConstantSpeedPropagationDelayModel")
320 loss = ns_desc.create("ns3::LogDistancePropagationLossModel")
321 channel.connector("delay").connect(delay.connector("chan"))
322 channel.connector("loss").connect(loss.connector("prev"))
325 def make_netns_testbed(self, exp_desc):
326 netns_provider = FactoriesProvider("netns")
327 netns_desc = exp_desc.add_testbed_description(netns_provider)
328 netns_desc.set_attribute_value("homeDirectory", self.root_dir)
329 netns_desc.set_attribute_value(DC.DEPLOYMENT_MODE, DC.MODE_DAEMON)
330 netns_root_dir = os.path.join(self.root_dir, "netns")
331 os.mkdir(netns_root_dir)
332 netns_desc.set_attribute_value(DC.ROOT_DIRECTORY, netns_root_dir)
333 netns_desc.set_attribute_value(DC.LOG_LEVEL, DC.DEBUG_LEVEL)
334 netns_desc.set_attribute_value(DC.USE_SUDO, True)
337 def add_netns_node(self, netns_desc, forwardX = True, label = None):
338 node = netns_desc.create("Node")
339 node.set_attribute_value("forward_X11", forwardX)
341 node.set_attribute_value("label", label)
344 def add_netns_app(self, netns_desc, command, node):
345 app = netns_desc.create("Application")
346 app.set_attribute_value("command", command)
347 app.set_attribute_value("user", self.user)
348 app.connector("node").connect(node.connector("apps"))
351 def add_pl_netns_connection(self,
353 netns_desc, netns_node, netns_addr, netns_prefix = 30,
355 pl_tap.set_attribute_value("tun_cipher", "PLAIN")
356 pl_tap.set_attribute_value("multicast", True)
357 #pl_tap.enable_trace("pcap")
358 #pl_tap.enable_trace("packets")
359 pl_tapip = pl_tap.addresses[0].get_attribute_value("Address")
360 netns_tap = netns_desc.create("TunNodeInterface")
361 netns_tap.set_attribute_value("up", True)
362 netns_tap.set_attribute_value("mtu", 1448)
363 self.add_ip_address(netns_tap, netns_addr, netns_prefix)
365 netns_tap.set_attribute_value("label", taplabel)
366 netns_node.connector("devs").connect(netns_tap.connector("node"))
367 netns_tunchannel = netns_desc.create("TunChannel")
368 netns_tunchannel.set_attribute_value("tun_cipher", "PLAIN")
369 netns_tunchannel.connector("->fd").connect(netns_tap.connector("fd->"))
370 pl_tap.connector("tcp").connect(netns_tunchannel.connector("tcp"))
372 pl_tap.set_attribute_value("tun_cipher", "PLAIN")
373 pl_tap.set_attribute_value("pointopoint", netns_addr)
375 def add_pl_ns_connection(self, pl_desc, pl_node, pl_addr,
376 ns, ns_node, ns_addr, prefix = 30,
378 pl_tap = pl_desc.create("TapInterface")
380 pl_tap.set_attribute_value("tun_cipher", "PLAIN")
381 self.add_ip_address(pl_tap, pl_addr, prefix)
382 pl_node.connector("devs").connect(pl_tap.connector("node"))
383 ns_fdnd = ns.create("ns3::FdNetDevice")
384 ns_node.connector("devs").connect(ns_fdnd.connector("node"))
385 self.add_ip_address(ns_fdnd, ns_addr, prefix)
388 pl_tap.connector("fd->").connect(ns_fdnd.connector("->fd"))
390 tunchannel = ns.create("ns3::Nepi::TunChannel")
391 tunchannel.connector("fd->").connect(ns_fdnd.connector("->fd"))
392 pl_tap.connector("udp").connect(tunchannel.connector("udp"))
394 def make_pl_overlay(self, numnodes):
395 ns3_testbed_id = "ns3"
397 pl, exp = self.make_experiment_desc()
399 # We'll make a distribution spanning tree using prefix matching as a distance
400 api = plutil.getAPI(self.pluser, self.plpass, hostname=self.plchost)
401 nodes = plutil.getNodes(api, numnodes, operatingSystem = 'f12')
402 root = min(nodes, key=operator.attrgetter('hostname'))
403 links = list(plutil.getSpanningTree(nodes, root=root))
408 node.childips = set()
410 # Build an explicit tree
411 for slave, master in links:
412 master.children.append(slave)
414 # We have to assign IPs and routes.
415 # The IP will be assigned sequentially, depth-first.
416 # This will result in rather compact routing rules
417 nextip = [128-numnodes]
418 def traverse(traverse, node, parent=None, base=struct.unpack('!L',socket.inet_aton(self.vnet))[0]):
420 raise RuntimeError, "Too many IPs to assign!"
422 node.vif_addr = base | (nextip[0])
423 nips = 1+len(node.children) # one vif per child, plus one for the parent
426 for i in xrange(nips):
427 node.vif_ips.add(node.vif_addr+i)
430 parent.childips.update(node.vif_ips)
432 for i,child in enumerate(node.children):
433 traverse(traverse, child, node, base)
436 parent.childips.update(node.childips)
438 traverse(traverse, root)
440 def printtree(printtree, node, indent=''):
441 print indent, '-', socket.inet_ntoa(struct.pack('!L',node.vif_addr)), '\t', node.country, node.city, node.site, '\t', node.hostname
442 for child in node.children:
443 childips = map(ipaddr.IPAddress, child.childips)
444 childnets = ipaddr.collapse_address_list(childips)
445 cip = ipaddr.IPAddress(child.vif_addr)
446 for cnet in childnets:
447 print indent, '|- R', cnet, '->', cip
448 printtree(printtree, child, indent+' | ')
449 printtree(printtree, root)
451 inet = pl.create("Internet")
456 def maketree(maketree, node, parent=None, parentIp=None):
459 for i,child in enumerate(node.children):
460 childips = map(ipaddr.IPAddress, child.childips)
461 childnets = ipaddr.collapse_address_list(childips)
462 cip = ipaddr.IPAddress(child.vif_addr)
463 pip = ipaddr.IPAddress(node.vif_addr+1+i)
464 for cnet in childnets:
465 routes.append((cnet.ip.exploded, cnet.prefixlen, cip.exploded))
466 ctaps.append( maketree(maketree, child, node, pip) )
468 routes.append((self.vnet,24,parentIp))
475 # NS node, first leaf
476 if not ns_chosen and not node.children:
477 ns_chosen.append(True)
480 ips = [ ipaddr.IPAddress(node.vif_addr+i) for i in xrange(1+len(node.children)) ]
481 node1, iface1, tap1, tap1ip, _ = self.make_pl_tapnode(pl, ips, inet,
482 hostname = node.hostname,
484 mcastrouter = bool(node.children),
487 types = ( [ "TapInterface" ] * len(ips) if parent else [ "TunInterface" ] + [ "TapInterface" ] * (len(ips)-1) )
490 for tap, ctap in zip(tap1[1:], ctaps):
491 tap.connector("udp").connect(ctap.connector("udp"))
494 if not node.children:
495 leaves.append((node, node1))
497 self.add_net_monitor(pl, node1)
498 self.add_vlc_dumper(pl, node1)
499 self.add_vlc_restreamer(pl, node1)
502 # t.get_attribute_value("label")
505 # self.add_vlc_source(pl, node1, taplabels)
508 roottap = maketree(maketree, root)
510 vnet_i = int(ipaddr.IPAddress(self.vnet))
513 pl_ns_root = exp.get_element_by_label("ns_root")
514 pl_ns_root_iface = exp.get_element_by_label("ns_rootiface")
515 ns = self.make_ns_in_pl(pl, exp, pl_ns_root, pl_ns_root_iface, "ns3")
516 wifi_chan = self.add_ns_wifi_channel(ns)
519 ap_node = self.add_ns_node(ns)
520 self.add_ns_constant_mobility(ns, ap_node, 0, 0, 0)
521 ap_wifi, ap_phy = self.add_ns_wifi_dev(ns, ap_node, access_point = True)
522 ap_phy.connector("chan").connect(wifi_chan.connector("phys"))
525 pl_addr = str(ipaddr.IPAddress(vnet_i | 254))
526 ns_addr = str(ipaddr.IPAddress(vnet_i | 253))
527 self.add_pl_ns_connection(pl, pl_ns_root, pl_addr, ns, ap_node, ns_addr, fd = True)
529 wifi_net_prefix = 32-int(math.floor(math.log(256-nextip[0]&0xff) / math.log(2)))
530 wifi_net = vnet_i | (256 - (1<<(32-wifi_net_prefix)))
533 ap_addr = str(ipaddr.IPAddress(vnet_i | 253))
534 ap_addr_prefix = 32-int(math.ceil(math.log(self.nsta+3) / math.log(2)))
535 self.add_ip_address(ap_wifi, ap_addr, ap_addr_prefix)
538 self.add_route(pl_ns_root,
539 str(ipaddr.IPAddress(wifi_net)), wifi_net_prefix,
542 print "NS-3 AP\t%s/%s <--> PL AP %s" % (ap_addr, ap_addr_prefix, pl_addr)
545 nextpip = (vnet_i | 255) >> (32-ap_addr_prefix) << (32-ap_addr_prefix)
546 nextdip = vnet_i | 252
547 ap_net = nextpip - (1<<(32-ap_addr_prefix))
550 for i in xrange(self.nsta):
551 stai = self.add_ns_node(ns)
552 angi = (360/self.nsta)*i
553 xi = r*math.cos(angi)
554 yi = r*math.sin(angi)
555 self.add_ns_constant_mobility(ns, stai, xi, yi, 0)
556 wifi, phy = self.add_ns_wifi_dev(ns, stai, access_point = False)
557 phy.connector("chan").connect(wifi_chan.connector("phys"))
559 wifi_addr = str(ipaddr.IPAddress(vnet_i | nextdip))
566 plns_net = str(ipaddr.IPAddress(plns_net_i))
567 pl_addr2 = str(ipaddr.IPAddress(plns_net_i | 1))
568 ns_addr2 = str(ipaddr.IPAddress(plns_net_i | 2))
570 # route from AP (after others)
571 print " | R %s/%s -> %s" % ( plns_net,30,ns_addr2 )
572 self.add_route(ap_node, plns_net, 30, wifi_addr)
574 print " +---\t(|) %16s/%s" % (wifi_addr,ap_addr_prefix)
575 print " | %16s (ns3) <---> (pl) %16s/30" % (ns_addr2, pl_addr2)
576 print " |\t \t\t <-- R %s/24" % (self.vnet, )
577 print " |\t \t R %s/30 -> %s" % (plns_net, pl_addr2)
578 print " |\t \t R %s <-- %s/24" % (ap_addr, plns_net)
580 self.add_ip_address(wifi, wifi_addr, ap_addr_prefix)
581 self.add_route(stai, plns_net, 30, pl_addr2)
582 self.add_route(stai, self.vnet, 24, ap_addr)
584 pl_nodei, _, pl_ifacei, _, _ = self.make_pl_tapnode(pl, [], inet,
585 routes = [(self.vnet, 24, ns_addr2)],
587 label = "ns_plnode_%d" % (i+1,)
590 self.add_pl_ns_connection(
591 pl, pl_nodei, pl_addr2,
595 self.add_vlc_dumper(pl, pl_nodei,
597 labelprefix = "vlc_dumper_ns",
598 precmd = "sleep 15 ; ")
600 # Validate (post-fact to let the user see the diagram above)
601 if nextpip < wifi_net:
602 raise RuntimeError, "Not enough IPs for wifi section"
604 # route back to PL (after others)
605 print " | R %s/%s -> %s" % ( self.vnet,24,pl_addr )
606 self.add_route(ap_node, self.vnet, 24, pl_addr)
610 netns_addr = str(ipaddr.IPAddress(vnet_i | 1))
612 root1 = exp.get_element_by_label("root")
613 netns = self.make_netns_testbed(exp)
614 netns_node = self.add_netns_node(netns)
615 netns_term = self.add_netns_app(netns, "xterm", netns_node)
616 if self.movie_source:
619 +os.path.abspath(self.movie_source)
620 +" --sout '#std{access=udp{ttl=64,miface-addr="+netns_addr+"},dst=239.255.12.42,mux=ts}'"
623 cmd = self.movie_command % {
624 "dst" : "std{access=udp{ttl=64,miface-addr="+netns_addr+"},dst=239.255.12.42,mux=ts}"
626 netns_vlc = self.add_netns_app(netns, cmd, netns_node)
628 # connection PL1/NETNS
629 self.add_pl_netns_connection(
631 netns, netns_node, netns_addr,
633 taplabel="netns_source")
634 self.add_route(netns_node,
636 str(ipaddr.IPAddress(root.vif_addr)) )
638 # pick random hostname to stream from
639 interactive_source_host = random.sample(leaves,1)[0][0].hostname
642 test_dir = "./results"
646 controller = ExperimentController(xml, self.root_dir)
649 # launch vlc client to monitor activity
651 proc = subprocess.Popen([
652 "vlc", "-I", "dummy", "http://%s:8080" % (interactive_source_host,)])
654 print >>sys.stderr, "Close xterm to shut down or Ctrl+C"
656 while not controller.is_finished(netns_term.guid):
658 except KeyboardInterrupt:
661 controller.traces_info()
665 controller.traces_info()
670 os.kill(proc.pid, signal.SIGTERM)
673 traces_info = controller.traces_info()
674 for progress, (testbed_guid, guids) in enumerate(traces_info.iteritems()):
675 for subprogress, (guid, traces) in enumerate(guids.iteritems()):
676 for name, data in traces.iteritems():
677 path = data["filepath"]
678 elem = exp.get_element(guid)
680 label = elem.get_attribute_value("label")
681 if label is not None:
682 path = "%s-%s" % (label,path)
687 print >>sys.stderr, ("%.2f%% Downloading trace" % (progress + (subprogress * 1.0 / len(guids)) * 100.0 / len(traces_info))), path
689 filepath = os.path.join(test_dir, path)
692 trace = controller.trace(guid, name)
694 traceback.print_exc(file=sys.stderr)
697 if not os.path.exists(os.path.dirname(filepath)):
698 os.makedirs(os.path.dirname(filepath))
700 traceback.print_exc(file=sys.stderr)
703 if len(trace) >= 2**20:
704 # Bigger than 1M, compress
705 tracefile = gzip.GzipFile(filepath+".gz", "wb")
707 tracefile = open(filepath,"wb")
709 tracefile.write(trace)
713 traceback.print_exc(file=sys.stderr)
718 traceback.print_exc()
720 controller.shutdown()
722 traceback.print_exc()
725 if __name__ == '__main__':
726 usage = "usage: %prog -m movie -u user"
727 parser = OptionParser(usage=usage)
728 parser.add_option("-u", "--user", dest="user", help="Valid linux system user (not root).", type="str")
729 parser.add_option("-U", "--pluser", dest="pluser", help="PlanetLab PLC username", type="str")
730 parser.add_option("-m", "--movie", dest="movie", help="Path to movie file to play", type="str")
731 parser.add_option("-n", "--nsta", dest="nsta", default=3, help="Number of wifi stations attached to the overlay", type="int")
732 parser.add_option("-N", "--nodes", dest="nodes", default=5, help="Number of overlay nodes", type="int")
733 parser.add_option("-s", "--slicename", dest="slicename", help="PlanetLab slice", type="str")
734 parser.add_option("-H", "--plchost", dest="plchost", help="PlanetLab's PLC hostname", type="str")
735 parser.add_option("-k", "--plkey", dest="plkey", help="Slice SSH key", type="str")
736 parser.add_option("-P", "--no-p2p", dest="nop2p", help="Disable peer-to-peer deployment. Not recommended for first deployment.",
737 action="store_true", default=False)
738 (options, args) = parser.parse_args()
739 if options.user == 'root':
740 parser.error("Missing or invalid 'user' option.")
742 exp = PlanetLabMulticastOverlay()
743 if not options.movie or options.movie.startswith("/dev/"):
745 if not options.movie:
746 options.movie = "/dev/video0"
747 exp.movie_source = None
748 exp.movie_command = (
749 "vlc -I dummy -vvv --color "
750 "v4l:///dev/video0:size=320x240:channel=0:adev=/dev/dsp:audio=0 "
751 "--sout '#transcode{vcodec=mpeg4,acodec=aac,vb=100,ab=16,venc=ffmpeg{keyint=80,hq=rd},deinterlace}:"
755 exp.movie_source = options.movie
756 exp.no_p2p_deploy = options.nop2p
757 exp.nsta = options.nsta
759 exp.user = options.user
761 exp.plchost = options.plchost
762 if options.slicename:
763 exp.slicename = options.slicename
765 exp.plkey = options.plkey
767 exp.pluser = options.pluser
769 exp.plpass = getpass.getpass("Password for %s: " % (exp.pluser,))
771 # Fix some distro's environment to work well with netns
772 if re.match(r"[^:]*:\d+", os.environ['DISPLAY']):
773 os.environ['DISPLAY'] += '.0'
774 if not os.environ.get('XAUTHORITY'):
775 os.environ['XAUTHORITY'] = os.path.join(os.environ['HOME'], '.Xauthority')
779 exp.make_pl_overlay(options.nodes)