2 # NEPI, a framework to manage network experiments
3 # Copyright (C) 2014 INRIA
5 # This program is free software: you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation, either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program. If not, see <http://www.gnu.org/licenses/>.
18 # Author: Alina Quereilhac <alina.quereilhac@inria.fr>
20 from nepi.execution.attribute import Attribute, Flags, Types
21 from nepi.execution.trace import Trace, TraceAttr
22 from nepi.execution.resource import ResourceManager, clsinit_copy, \
23 ResourceState, reschedule_delay
24 from nepi.resources.linux.application import LinuxApplication
25 from nepi.util.timefuncs import tnow, tdiffsec
26 from nepi.resources.ns3.ns3simulation import NS3Simulation
27 from nepi.resources.ns3.ns3wrapper import SIMULATOR_UUID, GLOBAL_VALUE_UUID, \
28 IPV4_GLOBAL_ROUTING_HELPER_UUID
29 from nepi.resources.linux.ns3.ns3client import LinuxNS3Client
35 ## TODO: Clean up DCE part. All that is DCE specific should go
36 ## in the linux ns3dceapplication.py
39 class LinuxNS3Simulation(LinuxApplication, NS3Simulation):
40 _rtype = "LinuxNS3Simulation"
43 def _register_attributes(cls):
44 impl_type = Attribute("simulatorImplementationType",
45 "The object class to use as the simulator implementation",
46 allowed = ["ns3::DefaultSimulatorImpl", "ns3::RealtimeSimulatorImpl"],
47 default = "ns3::DefaultSimulatorImpl",
48 type = Types.Enumerate,
51 sched_type = Attribute("schedulerType",
52 "The object class to use as the scheduler implementation",
53 allowed = ["ns3::MapScheduler",
57 "ns3::CalendarScheduler"
59 default = "ns3::MapScheduler",
60 type = Types.Enumerate,
63 check_sum = Attribute("checksumEnabled",
64 "A global switch to enable all checksums for all protocols",
69 ns_log = Attribute("nsLog",
70 "NS_LOG environment variable. " \
71 " Will only generate output if ns-3 is compiled in DEBUG mode. ",
74 verbose = Attribute("verbose",
75 "True to output debugging info from the ns3 client-server communication",
79 build_mode = Attribute("buildMode",
80 "Mode used to build ns-3 with waf. One if: debug, release, oprimized ",
81 default = "optimized",
82 allowed = ["debug", "release", "optimized"],
83 type = Types.Enumerate,
86 ns3_version = Attribute("ns3Version",
87 "Version of ns-3 to install from nsam repo",
92 enable_dce = Attribute("enableDCE",
93 "Install DCE source code",
98 pybindgen_version = Attribute("pybindgenVersion",
99 "Version of pybindgen to install from bazar repo",
101 flags = Flags.Design)
103 populate_routing_tables = Attribute("populateRoutingTables",
104 "Invokes Ipv4GlobalRoutingHelper.PopulateRoutingTables() ",
107 flags = Flags.Design)
109 cls._register_attribute(impl_type)
110 cls._register_attribute(sched_type)
111 cls._register_attribute(check_sum)
112 cls._register_attribute(ns_log)
113 cls._register_attribute(verbose)
114 cls._register_attribute(build_mode)
115 cls._register_attribute(ns3_version)
116 cls._register_attribute(pybindgen_version)
117 cls._register_attribute(populate_routing_tables)
118 cls._register_attribute(enable_dce)
120 def __init__(self, ec, guid):
121 LinuxApplication.__init__(self, ec, guid)
122 NS3Simulation.__init__(self)
125 self._home = "ns3-simu-%s" % self.guid
126 self._socket_name = "ns3-%s.sock" % os.urandom(4).encode('hex')
127 self._dce_manager_helper_uuid = None
128 self._dce_application_helper_uuid = None
130 # Lock used to synchronize usage of DceManagerHelper
131 self.dce_manager_lock = threading.Lock()
132 # Lock used to synchronize usage of DceApplicationHelper
133 self.dce_application_lock = threading.Lock()
136 def socket_name(self):
137 return self._socket_name
140 def remote_socket(self):
141 return os.path.join(self.run_home, self.socket_name)
144 def dce_manager_helper_uuid(self):
145 return self._dce_manager_helper_uuid
148 def dce_application_helper_uuid(self):
149 return self._dce_application_helper_uuid
152 def ns3_build_home(self):
153 return os.path.join(self.node.bin_dir, "ns-3", self.get("ns3Version"),
154 self.get("buildMode"), "build")
156 def trace(self, name, attr = TraceAttr.ALL, block = 512, offset = 0):
158 return LinuxApplication.trace(self, name, attr, block, offset)
160 def upload_sources(self):
161 self.node.mkdir(os.path.join(self.node.src_dir, "ns3wrapper"))
163 # upload ns3 wrapper python script
164 ns3_wrapper = os.path.join(os.path.dirname(__file__), "..", "..", "ns3",
167 self.node.upload(ns3_wrapper,
168 os.path.join(self.node.src_dir, "ns3wrapper", "ns3wrapper.py"),
171 # upload ns3_server python script
172 ns3_server = os.path.join(os.path.dirname(__file__), "..", "..", "ns3",
175 self.node.upload(ns3_server,
176 os.path.join(self.node.src_dir, "ns3wrapper", "ns3server.py"),
179 if self.node.use_rpm:
180 # upload pygccxml sources
181 pygccxml_tar = os.path.join(os.path.dirname(__file__), "dependencies",
182 "%s.tar.gz" % self.pygccxml_version)
184 self.node.upload(pygccxml_tar,
185 os.path.join(self.node.src_dir, "%s.tar.gz" % self.pygccxml_version),
188 # Upload user defined ns-3 sources
189 self.node.mkdir(os.path.join(self.node.src_dir, "ns-3"))
190 src_dir = os.path.join(self.node.src_dir, "ns-3")
192 super(LinuxNS3Simulation, self).upload_sources(src_dir = src_dir)
194 def upload_extra_sources(self, sources = None, src_dir = None):
195 return super(LinuxNS3Simulation, self).upload_sources(
199 def upload_start_command(self):
200 command = self.get("command")
201 env = self.get("env")
203 # We want to make sure the ccnd is running
204 # before the experiment starts.
205 # Run the command as a bash script in background,
206 # in the host ( but wait until the command has
207 # finished to continue )
208 env = self.replace_paths(env)
209 command = self.replace_paths(command)
211 shfile = os.path.join(self.app_home, "start.sh")
212 self.node.upload_command(command,
218 self._run_in_background()
221 if self.has_changed("simulatorImplementationType"):
222 simu_type = self.get("simulatorImplementationType")
223 stype = self.create("StringValue", simu_type)
224 self.invoke(GLOBAL_VALUE_UUID, "Bind", "SimulatorImplementationType", stype)
226 if self.has_changed("checksumEnabled"):
227 check_sum = self.get("checksumEnabled")
228 btrue = self.create("BooleanValue", check_sum)
229 self.invoke(GLOBAL_VALUE_UUID, "Bind", "ChecksumEnabled", btrue)
231 if self.has_changed("schedulerType"):
232 sched_type = self.get("schedulerType")
233 stype = self.create("StringValue", sched_type)
234 self.invoke(GLOBAL_VALUE_UUID, "Bind", "SchedulerType", btrue)
236 if self.get("enableDCE"):
237 self._dce_manager_helper_uuid = self.create("DceManagerHelper")
238 self._dce_application_helper_uuid = self.create("DceApplicationHelper")
241 if not self.node or self.node.state < ResourceState.READY:
242 self.debug("---- RESCHEDULING DEPLOY ---- node state %s " % self.node.state )
244 # ccnd needs to wait until node is deployed and running
245 self.ec.schedule(reschedule_delay, self.deploy)
247 if not self.get("command"):
248 self.set("command", self._start_command)
250 if not self.get("depends"):
251 self.set("depends", self._dependencies)
253 if self.get("sources"):
254 sources = self.get("sources")
255 source = sources.split(" ")[0]
256 basename = os.path.basename(source)
257 version = ( basename.strip().replace(".tar.gz", "")
260 .replace(".zip","") )
262 self.set("ns3Version", version)
263 self.set("sources", source)
265 if not self.get("build"):
266 self.set("build", self._build)
268 if not self.get("install"):
269 self.set("install", self._install)
271 if not self.get("env"):
272 self.set("env", self._environment)
278 self._client = LinuxNS3Client(self)
285 """ Starts simulation execution
288 self.info("Starting")
290 if self.state == ResourceState.READY:
291 if self.get("populateRoutingTables") == True:
292 self.invoke(IPV4_GLOBAL_ROUTING_HELPER_UUID, "PopulateRoutingTables")
298 msg = " Failed to execute command '%s'" % command
299 self.error(msg, out, err)
300 raise RuntimeError, msg
303 """ Stops simulation execution
306 if self.state == ResourceState.STARTED:
310 def do_release(self):
311 self.info("Releasing resource")
313 tear_down = self.get("tearDown")
315 self.node.execute(tear_down)
318 self._client.shutdown()
319 LinuxApplication.do_stop(self)
321 super(LinuxApplication, self).do_release()
324 def _start_command(self):
327 command.append("PYTHONPATH=$PYTHONPATH:${SRC}/ns3wrapper/")
329 command.append("python ${SRC}/ns3wrapper/ns3server.py -S %s" % \
330 os.path.basename(self.remote_socket) )
332 ns_log = self.get("nsLog")
334 command.append("-L '%s'" % ns_log)
336 if self.get("verbose"):
339 command = " ".join(command)
343 def _dependencies(self):
344 if self.node.use_rpm:
345 return ( " gcc gcc-c++ python python-devel mercurial bzr tcpdump socat gccxml unzip")
346 elif self.node.use_deb:
347 return ( " gcc g++ python python-dev mercurial bzr tcpdump socat gccxml python-pygccxml unzip")
352 return "http://code.nsnam.org"
355 def pygccxml_version(self):
356 return "pygccxml-1.0.0"
360 #return "http://code.nsnam.org/ns-3-dce"
361 return "http://code.nsnam.org/epmancini/ns-3-dce"
365 # If the user defined local sources for ns-3, we uncompress the sources
366 # on the remote sources directory. Else we clone ns-3 from the official repo.
367 source = self.get("sources")
369 clone_ns3_cmd = "hg clone %(ns3_repo)s/%(ns3_version)s ${SRC}/ns-3/%(ns3_version)s" \
371 'ns3_version': self.get("ns3Version"),
372 'ns3_repo': self.ns3_repo,
375 if source.find(".tar.gz") > -1:
377 "tar xzf ${SRC}/ns-3/%(basename)s "
378 " --strip-components=1 -C ${SRC}/ns-3/%(ns3_version)s "
380 'basename': os.path.basename(source),
381 'ns3_version': self.get("ns3Version"),
383 elif source.find(".tar") > -1:
385 "tar xf ${SRC}/ns-3/%(basename)s "
386 " --strip-components=1 -C ${SRC}/ns-3/%(ns3_version)s "
388 'basename': os.path.basename(source),
389 'ns3_version': self.get("ns3Version"),
391 elif source.find(".zip") > -1:
392 basename = os.path.basename(source)
393 bare_basename = basename.replace(".zip", "") \
394 .replace(".tar", "") \
395 .replace(".tar.gz", "")
398 "unzip ${SRC}/ns-3/%(basename)s && "
399 "mv ${SRC}/ns-3/%(bare_basename)s ${SRC}/ns-3/%(ns3_version)s "
401 'bare_basename': basename_name,
402 'basename': basename,
403 'ns3_version': self.get("ns3Version"),
406 clone_dce_cmd = " echo 'DCE will not be built' "
407 if self.get("enableDCE"):
410 # Test if dce is alredy installed
413 " ( test -d ${SRC}/dce/ns-3-dce ) "
414 " && echo 'dce binaries found, nothing to do'"
418 # Get dce source code
420 " mkdir -p ${SRC}/dce && "
421 " hg clone %(dce_repo)s ${SRC}/dce/ns-3-dce"
424 'dce_repo': self.dce_repo
432 # Test if ns-3 is alredy installed
433 " ((( test -d ${SRC}/ns-3/%(ns3_version)s ) || "
434 " ( test -d ${NS3BINDINGS:='None'} && test -d ${NS3LIBRARIES:='None'})) "
435 " && echo 'ns-3 binaries found, nothing to do' )"
438 # If not, install ns-3 and its dependencies
443 " python -c 'import pygccxml' && "
444 " echo 'pygccxml not found' "
448 " tar xf ${SRC}/%(pygccxml_version)s.tar.gz -C ${SRC} && "
449 " cd ${SRC}/%(pygccxml_version)s && "
450 " python setup.py build && "
451 " sudo -S python setup.py install "
458 " test -d ${SRC}/pybindgen/%(pybindgen_version)s && "
459 " echo 'binaries found, nothing to do' "
462 # If not, clone and build
464 " mkdir -p ${SRC}/pybindgen && "
465 " bzr checkout lp:pybindgen -r %(pybindgen_version)s ${SRC}/pybindgen/%(pybindgen_version)s && "
466 " cd ${SRC}/pybindgen/%(pybindgen_version)s && "
467 " ./waf configure && "
472 # Get ns-3 source code
474 " mkdir -p ${SRC}/ns-3/%(ns3_version)s && "
475 " %(clone_ns3_cmd)s "
481 " %(clone_dce_cmd)s "
484 'ns3_version': self.get("ns3Version"),
485 'pybindgen_version': self.get("pybindgenVersion"),
486 'pygccxml_version': self.pygccxml_version,
487 'clone_ns3_cmd': clone_ns3_cmd,
488 'clone_dce_cmd': clone_dce_cmd,
493 install_dce_cmd = " echo 'DCE will not be installed' "
494 if self.get("enableDCE"):
497 " ((test -d %(ns3_build_home)s/bin_dce ) && "
498 " echo 'dce binaries found, nothing to do' )"
502 # If not, copy ns-3 build to bin
503 " cd ${SRC}/dce/ns-3-dce && "
504 " ./waf configure %(enable_opt)s --with-pybindgen=${SRC}/pybindgen/%(pybindgen_version)s "
505 " --prefix=%(ns3_build_home)s --with-ns3=%(ns3_build_home)s && "
508 " mv %(ns3_build_home)s/lib*/python*/site-packages/ns/dce.so %(ns3_build_home)s/lib/python/site-packages/ns/ "
511 'ns3_version': self.get("ns3Version"),
512 'pybindgen_version': self.get("pybindgenVersion"),
513 'ns3_build_home': self.ns3_build_home,
514 'build_mode': self.get("buildMode"),
515 'enable_opt': "--enable-opt" if self.get("buildMode") == "optimized" else ""
519 # Test if ns-3 is alredy installed
522 " ( ( (test -d %(ns3_build_home)s/lib ) || "
523 " (test -d ${NS3BINDINGS:='None'} && test -d ${NS3LIBRARIES:='None'}) ) && "
524 " echo 'binaries found, nothing to do' )"
528 # If not, copy ns-3 build to bin
529 " mkdir -p %(ns3_build_home)s && "
530 " cd ${SRC}/ns-3/%(ns3_version)s && "
531 " ./waf configure -d %(build_mode)s --with-pybindgen=${SRC}/pybindgen/%(pybindgen_version)s "
532 " --prefix=%(ns3_build_home)s && "
535 " mv %(ns3_build_home)s/lib*/python* %(ns3_build_home)s/lib/python "
540 " %(install_dce_cmd)s "
543 'ns3_version': self.get("ns3Version"),
544 'pybindgen_version': self.get("pybindgenVersion"),
545 'build_mode': self.get("buildMode"),
546 'ns3_build_home': self.ns3_build_home,
547 'install_dce_cmd': install_dce_cmd
551 def _environment(self):
553 env.append("PYTHONPATH=$PYTHONPATH:${NS3BINDINGS:=%(ns3_build_home)s/lib/python/site-packages}" % {
554 'ns3_build_home': self.ns3_build_home
556 # If NS3LIBRARIES is defined and not empty, assign its value,
557 # if not assign ns3_build_home/lib/ to NS3LIBRARIES and LD_LIBARY_PATH
558 env.append("LD_LIBRARY_PATH=${NS3LIBRARIES:=%(ns3_build_home)s/lib}" % {
559 'ns3_build_home': self.ns3_build_home
561 env.append("DCE_PATH=$NS3LIBRARIES/../bin_dce")
562 env.append("DCE_ROOT=$NS3LIBRARIES/..")
566 def replace_paths(self, command):
568 Replace all special path tags with shell-escaped actual paths.
571 .replace("${USR}", self.node.usr_dir)
572 .replace("${LIB}", self.node.lib_dir)
573 .replace("${BIN}", self.node.bin_dir)
574 .replace("${SRC}", self.node.src_dir)
575 .replace("${SHARE}", self.node.share_dir)
576 .replace("${EXP}", self.node.exp_dir)
577 .replace("${EXP_HOME}", self.node.exp_home)
578 .replace("${APP_HOME}", self.app_home)
579 .replace("${RUN_HOME}", self.run_home)
580 .replace("${NODE_HOME}", self.node.node_home)
581 .replace("${HOME}", self.node.home_dir)
582 # If NS3LIBRARIES is defined and not empty, use that value,
583 # if not use ns3_build_home/lib/
584 .replace("${BIN_DCE}", "${NS3LIBRARIES-%s/lib/}../bin_dce" % \
588 def valid_connection(self, guid):