from nepi.execution.attribute import Attribute, Flags, Types
from nepi.execution.trace import Trace, TraceAttr
from nepi.execution.resource import ResourceManager, clsinit_copy, \
- ResourceState, reschedule_delay
+ ResourceState, ResourceFactory, reschedule_delay
from nepi.resources.linux.application import LinuxApplication
from nepi.util.timefuncs import tnow, tdiffsec
from nepi.resources.ns3.ns3simulation import NS3Simulation
import os
import time
+import threading
+
+## TODO: Clean up DCE part. All that is DCE specific should go
+## in the linux ns3dceapplication.py
@clsinit_copy
class LinuxNS3Simulation(LinuxApplication, NS3Simulation):
type = Types.Bool,
flags = Flags.Design)
+ enable_dump = Attribute("enableDump",
+ "Enable dumping the remote executed ns-3 commands to a script "
+ "in order to later reproduce and debug the experiment",
+ type = Types.Bool,
+ default = False,
+ flags = Flags.Design)
+
build_mode = Attribute("buildMode",
"Mode used to build ns-3 with waf. One if: debug, release, oprimized ",
default = "optimized",
ns3_version = Attribute("ns3Version",
"Version of ns-3 to install from nsam repo",
- default = "ns-3.19",
- flags = Flags.Design)
-
- enable_dce = Attribute("enableDCE",
- "Install DCE source code",
- default = False,
- type = Types.Bool,
+ #default = "ns-3.19",
+ default = "ns-3.20",
+ #default = "ns-3-dev",
flags = Flags.Design)
pybindgen_version = Attribute("pybindgenVersion",
"Version of pybindgen to install from bazar repo",
- default = "834",
+ #default = "864",
+ default = "868",
+ #default = "876",
+ flags = Flags.Design)
+
+ dce_version = Attribute("dceVersion",
+ "Version of dce to install from nsam repo (tag branch for repo)",
+ default = "dce-1.3",
+ #default = "dce-dev",
flags = Flags.Design)
populate_routing_tables = Attribute("populateRoutingTables",
type = Types.Bool,
flags = Flags.Design)
+ stoptime = Attribute("stopTime",
+ "Time at which the simulation will stop",
+ flags = Flags.Design)
+
cls._register_attribute(impl_type)
cls._register_attribute(sched_type)
cls._register_attribute(check_sum)
cls._register_attribute(ns_log)
+ cls._register_attribute(enable_dump)
cls._register_attribute(verbose)
cls._register_attribute(build_mode)
cls._register_attribute(ns3_version)
cls._register_attribute(pybindgen_version)
+ cls._register_attribute(dce_version)
cls._register_attribute(populate_routing_tables)
- cls._register_attribute(enable_dce)
+ cls._register_attribute(stoptime)
def __init__(self, ec, guid):
LinuxApplication.__init__(self, ec, guid)
self._client = None
self._home = "ns3-simu-%s" % self.guid
self._socket_name = "ns3-%s.sock" % os.urandom(4).encode('hex')
+ self._dce_manager_helper_uuid = None
+ self._dce_application_helper_uuid = None
+ self._enable_dce = None
@property
def socket_name(self):
def remote_socket(self):
return os.path.join(self.run_home, self.socket_name)
- @property
- def ns3_build_home(self):
- return os.path.join(self.node.bin_dir, "ns-3", self.get("ns3Version"),
- self.get("buildMode"), "build")
-
def trace(self, name, attr = TraceAttr.ALL, block = 512, offset = 0):
- self._client.flush()
+ # stout needs to get flushed on the ns-3 server side, else we will
+ # get an empty stream. We try twice to retrieve the stream
+ # if we get empty stdout since the stream might not be
+ # flushed immediately.
+ if name.endswith("stdout"):
+ self._client.flush()
+ result = LinuxApplication.trace(self, name, attr, block, offset)
+ if result:
+ return result
+ # Let the stream be flushed
+ time.sleep(1)
+
return LinuxApplication.trace(self, name, attr, block, offset)
def upload_sources(self):
os.path.join(self.node.src_dir, "ns3wrapper", "ns3wrapper.py"),
overwrite = False)
+ # upload ns3 wrapper debug python script
+ ns3_wrapper_debug = os.path.join(os.path.dirname(__file__), "..", "..", "ns3",
+ "ns3wrapper_debug.py")
+
+ self.node.upload(ns3_wrapper_debug,
+ os.path.join(self.node.src_dir, "ns3wrapper", "ns3wrapper_debug.py"),
+ overwrite = False)
+
# upload ns3_server python script
ns3_server = os.path.join(os.path.dirname(__file__), "..", "..", "ns3",
"ns3server.py")
src_dir = os.path.join(self.node.src_dir, "ns-3")
super(LinuxNS3Simulation, self).upload_sources(src_dir = src_dir)
+
+ def upload_extra_sources(self, sources = None, src_dir = None):
+ return super(LinuxNS3Simulation, self).upload_sources(
+ sources = sources,
+ src_dir = src_dir)
def upload_start_command(self):
command = self.get("command")
# Run the ns3wrapper
self._run_in_background()
+ # Wait until the remote socket is created
+ self.wait_remote_socket()
+
def configure(self):
if self.has_changed("simulatorImplementationType"):
simu_type = self.get("simulatorImplementationType")
sched_type = self.get("schedulerType")
stype = self.create("StringValue", sched_type)
self.invoke(GLOBAL_VALUE_UUID, "Bind", "SchedulerType", btrue)
-
+
def do_deploy(self):
if not self.node or self.node.state < ResourceState.READY:
self.debug("---- RESCHEDULING DEPLOY ---- node state %s " % self.node.state )
if self.get("populateRoutingTables") == True:
self.invoke(IPV4_GLOBAL_ROUTING_HELPER_UUID, "PopulateRoutingTables")
- self._client.start()
+ self._client.start()
self.set_started()
else:
"""
if self.state == ResourceState.STARTED:
- self._client.stop()
+ time = None
+ if self.get("stopTime"):
+ time = self.get("stopTime")
+
+ self._client.stop(time=time)
self.set_stopped()
def do_release(self):
super(LinuxApplication, self).do_release()
+ @property
+ def enable_dce(self):
+ if self._enable_dce is None:
+ from nepi.resources.ns3.ns3dceapplication import NS3BaseDceApplication
+ rclass = ResourceFactory.get_resource_type(
+ NS3BaseDceApplication.get_rtype())
+
+ self._enable_dce = False
+ for guid in self.ec.resources:
+ rm = self.ec.get_resource(guid)
+ if isinstance(rm, rclass):
+ self._enable_dce = True
+ break
+
+ return self._enable_dce
+
@property
def _start_command(self):
command = []
ns_log = self.get("nsLog")
if ns_log:
- command.append("-L %s" % ns_log)
+ command.append("-L '%s'" % ns_log)
+
+ if self.get("enableDump"):
+ command.append("-D")
if self.get("verbose"):
command.append("-v")
return "pygccxml-1.0.0"
@property
- def _build(self):
- # If the user defined local sources for ns-3, we uncompress the sources
- # on the remote sources directory. Else we clone ns-3 from the official repo.
+ def dce_repo(self):
+ return "http://code.nsnam.org/ns-3-dce"
+ #eturn "http://code.nsnam.org/epmancini/ns-3-dce"
+
+ @property
+ def dce_version(self):
+ dce_version = self.get("dceVersion")
+ return dce_version or "dce-dev"
+
+ @property
+ def ns3_build_location(self):
+ location = "${BIN}/ns-3/%(ns3_version)s%(dce_version)s/%(build_mode)s/build" \
+ % {
+ "ns3_version": self.get("ns3Version"),
+ "dce_version": "-%s" % self.get("dceVersion") \
+ if self.enable_dce else "",
+ "build_mode": self.get("buildMode"),
+ }
+
+ return location
+
+
+ @property
+ def ns3_src_location(self):
+ location = "${SRC}/ns-3/%(ns3_version)s" \
+ % {
+ "ns3_version": self.get("ns3Version"),
+ }
+
+ return location
+
+ @property
+ def dce_src_location(self):
+ location = "${SRC}/ns-3-dce/%(dce_version)s" \
+ % {
+ "dce_version": self.get("dceVersion"),
+ }
+
+ return location
+
+ @property
+ def _clone_ns3_command(self):
source = self.get("sources")
+
if not source:
- clone_ns3_cmd = "hg clone %(ns3_repo)s/%(ns3_version)s ${SRC}/ns-3/%(ns3_version)s" \
+ clone_ns3_cmd = "hg clone %(ns3_repo)s/%(ns3_version)s %(ns3_src)s" \
% {
- 'ns3_version': self.get("ns3Version"),
- 'ns3_repo': self.ns3_repo,
+ "ns3_version": self.get("ns3Version"),
+ "ns3_repo": self.ns3_repo,
+ "ns3_src": self.ns3_src_location,
}
else:
if source.find(".tar.gz") > -1:
clone_ns3_cmd = (
"tar xzf ${SRC}/ns-3/%(basename)s "
- " --strip-components=1 -C ${SRC}/ns-3/%(ns3_version)s "
+ " --strip-components=1 -C %(ns3_src)s"
) % {
- 'basename': os.path.basename(source),
- 'ns3_version': self.get("ns3Version"),
+ "basename": os.path.basename(source),
+ "ns3_src": self.ns3_src_location,
}
elif source.find(".tar") > -1:
clone_ns3_cmd = (
"tar xf ${SRC}/ns-3/%(basename)s "
- " --strip-components=1 -C ${SRC}/ns-3/%(ns3_version)s "
+ " --strip-components=1 -C %(ns3_src)s"
) % {
- 'basename': os.path.basename(source),
- 'ns3_version': self.get("ns3Version"),
+ "basename": os.path.basename(source),
+ "ns3_src": self.ns3_src_location,
}
elif source.find(".zip") > -1:
basename = os.path.basename(source)
- bare_basename = basename.replace(".zip", "") \
- .replace(".tar", "") \
- .replace(".tar.gz", "")
+ bare_basename = basename.replace(".zip", "")
clone_ns3_cmd = (
"unzip ${SRC}/ns-3/%(basename)s && "
- "mv ${SRC}/ns-3/%(bare_basename)s ${SRC}/ns-3/%(ns3_version)s "
+ "mv ${SRC}/ns-3/%(bare_basename)s %(ns3_src)s"
) % {
- 'bare_basename': basename_name,
- 'basename': basename,
- 'ns3_version': self.get("ns3Version"),
+ "bare_basename": basename_name,
+ "basename": basename,
+ "ns3_src": self.ns3_src_location,
}
+ return clone_ns3_cmd
+
+ @property
+ def _clone_dce_command(self):
clone_dce_cmd = " echo 'DCE will not be built' "
- if self.get("enableDCE"):
+
+ if self.enable_dce:
+ dce_version = self.dce_version
+ dce_tag = ""
+ if dce_version != "dce-dev":
+ dce_tag = "-r %s" % dce_version
+
clone_dce_cmd = (
# DCE installation
- # Test if dce is alredy installed
+ # Test if dce is alredy cloned
" ( "
" ( "
- " ( test -d ${SRC}/dce/ns-3-dce ) "
+ " ( test -d %(dce_src)s ) "
" && echo 'dce binaries found, nothing to do'"
" ) "
" ) "
" || "
# Get dce source code
" ( "
- " mkdir -p ${SRC}/dce && "
- " hg clone http://code.nsnam.org/ns-3-dce ${SRC}/dce/ns-3-dce"
+ " mkdir -p %(dce_src)s && "
+ " hg clone %(dce_repo)s %(dce_tag)s %(dce_src)s"
" ) "
- )
+ ) % {
+ "dce_repo": self.dce_repo,
+ "dce_tag": dce_tag,
+ "dce_src": self.dce_src_location,
+ }
+
+ return clone_dce_cmd
+
+ @property
+ def _build(self):
+ # If the user defined local sources for ns-3, we uncompress the sources
+ # on the remote sources directory. Else we clone ns-3 from the official repo.
+ clone_ns3_cmd = self._clone_ns3_command
+ clone_dce_cmd = self._clone_dce_command
- return (
+ ns3_build_cmd = (
# NS3 installation
"( "
" ( "
- # Test if ns-3 is alredy installed
- " ((( test -d ${SRC}/ns-3/%(ns3_version)s ) || "
+ # Test if ns-3 is alredy cloned
+ " ((( test -d %(ns3_src)s ) || "
" ( test -d ${NS3BINDINGS:='None'} && test -d ${NS3LIBRARIES:='None'})) "
" && echo 'ns-3 binaries found, nothing to do' )"
" ) "
" && "
# Get ns-3 source code
" ( "
- " mkdir -p ${SRC}/ns-3/%(ns3_version)s && "
+ " mkdir -p %(ns3_src)s && "
" %(clone_ns3_cmd)s "
" ) "
" ) "
" %(clone_dce_cmd)s "
") "
) % {
- 'ns3_version': self.get("ns3Version"),
- 'pybindgen_version': self.get("pybindgenVersion"),
- 'pygccxml_version': self.pygccxml_version,
- 'clone_ns3_cmd': clone_ns3_cmd,
- 'clone_dce_cmd': clone_dce_cmd,
+ "ns3_src": self.ns3_src_location,
+ "pybindgen_version": self.get("pybindgenVersion"),
+ "pygccxml_version": self.pygccxml_version,
+ "clone_ns3_cmd": clone_ns3_cmd,
+ "clone_dce_cmd": clone_dce_cmd,
}
+ return ns3_build_cmd
+
@property
- def _install(self):
- install_dce_cmd = " echo 'DCE will not be installed' "
- if self.get("enableDCE"):
+ def _install_dce_command(self):
+ install_dce_cmd = " echo 'DCE will not be installed'"
+
+ if self.enable_dce:
install_dce_cmd = (
" ( "
- " ((test -d %(ns3_build_home)s/bin_dce ) && "
+ " ((test -d %(ns3_build)s/bin_dce ) && "
" echo 'dce binaries found, nothing to do' )"
" ) "
" ||"
" ( "
- # If not, copy ns-3 build to bin
- " cd ${SRC}/dce/ns-3-dce && "
- " ./waf configure --enable-opt --with-pybindgen=${SRC}/pybindgen/%(pybindgen_version)s "
- " --prefix=%(ns3_build_home)s --with-ns3=%(ns3_build_home)s && "
+ # If not, copy build to dce
+ " cd %(dce_src)s && "
+ " rm -rf %(dce_src)s/build && "
+ " ./waf configure %(enable_opt)s --with-pybindgen=${SRC}/pybindgen/%(pybindgen_version)s "
+ " --prefix=%(ns3_build)s --with-ns3=%(ns3_build)s && "
" ./waf build && "
- " ./waf install "
+ " ./waf install && "
+ " [ ! -e %(ns3_build)s/lib/python/site-packages/ns/dce.so ] && "
+ " mv %(ns3_build)s/lib*/python*/site-packages/ns/dce.so %(ns3_build)s/lib/python/site-packages/ns/ "
" )"
) % {
- 'ns3_version': self.get("ns3Version"),
- 'pybindgen_version': self.get("pybindgenVersion"),
- 'ns3_build_home': self.ns3_build_home,
- 'build_mode': self.get("buildMode"),
- }
+ "pybindgen_version": self.get("pybindgenVersion"),
+ "enable_opt": "--enable-opt" if self.get("buildMode") == "optimized" else "",
+ "ns3_build": self.ns3_build_location,
+ "dce_src": self.dce_src_location,
+ }
+
+ return install_dce_cmd
+
+ @property
+ def _install(self):
+ install_dce_cmd = self._install_dce_command
- return (
+ install_ns3_cmd = (
# Test if ns-3 is alredy installed
"("
" ( "
- " ( ( (test -d %(ns3_build_home)s/lib ) || "
+ " ( ( (test -d %(ns3_build)s/lib ) || "
" (test -d ${NS3BINDINGS:='None'} && test -d ${NS3LIBRARIES:='None'}) ) && "
" echo 'binaries found, nothing to do' )"
" ) "
" ||"
" ( "
# If not, copy ns-3 build to bin
- " mkdir -p %(ns3_build_home)s && "
- " cd ${SRC}/ns-3/%(ns3_version)s && "
+ " mkdir -p %(ns3_build)s && "
+ " cd %(ns3_src)s && "
+ " rm -rf %(ns3_src)s/build && "
" ./waf configure -d %(build_mode)s --with-pybindgen=${SRC}/pybindgen/%(pybindgen_version)s "
- " --prefix=%(ns3_build_home)s --includedir=%(ns3_build_home)s && "
+ " --prefix=%(ns3_build)s && "
" ./waf build && "
" ./waf install && "
- " mv %(ns3_build_home)s/lib/python* %(ns3_build_home)s/lib/python "
+ " mv %(ns3_build)s/lib*/python* %(ns3_build)s/lib/python "
" )"
") "
" && "
" %(install_dce_cmd)s "
") "
) % {
- 'ns3_version': self.get("ns3Version"),
- 'pybindgen_version': self.get("pybindgenVersion"),
- 'build_mode': self.get("buildMode"),
- 'ns3_build_home': self.ns3_build_home,
- 'install_dce_cmd': install_dce_cmd
+ "pybindgen_version": self.get("pybindgenVersion"),
+ "build_mode": self.get("buildMode"),
+ "install_dce_cmd": install_dce_cmd,
+ "ns3_build": self.ns3_build_location,
+ "ns3_src": self.ns3_src_location,
}
+ return install_ns3_cmd
+
@property
def _environment(self):
env = []
- env.append("PYTHONPATH=$PYTHONPATH:${NS3BINDINGS:=%(ns3_build_home)s/lib/python/site-packages}" % {
- 'ns3_build_home': self.ns3_build_home
+ env.append("PYTHONPATH=$PYTHONPATH:${NS3BINDINGS:=%(ns3_build)s/lib/python/site-packages}" % {
+ "ns3_build": self.ns3_build_location
})
- env.append("LD_LIBRARY_PATH=${NS3LIBRARIES:=%(ns3_build_home)s/lib/}" % {
- 'ns3_build_home': self.ns3_build_home
+ # If NS3LIBRARIES is defined and not empty, assign its value,
+ # if not assign ns3_build_home/lib/ to NS3LIBRARIES and LD_LIBARY_PATH
+ env.append("LD_LIBRARY_PATH=${NS3LIBRARIES:=%(ns3_build)s/lib}" % {
+ "ns3_build": self.ns3_build_location
})
+ env.append("DCE_PATH=$NS3LIBRARIES/../bin_dce")
+ env.append("DCE_ROOT=$NS3LIBRARIES/..")
return " ".join(env)
+ def replace_paths(self, command):
+ """
+ Replace all special path tags with shell-escaped actual paths.
+ """
+ return ( command
+ .replace("${USR}", self.node.usr_dir)
+ .replace("${LIB}", self.node.lib_dir)
+ .replace("${BIN}", self.node.bin_dir)
+ .replace("${SRC}", self.node.src_dir)
+ .replace("${SHARE}", self.node.share_dir)
+ .replace("${EXP}", self.node.exp_dir)
+ .replace("${EXP_HOME}", self.node.exp_home)
+ .replace("${APP_HOME}", self.app_home)
+ .replace("${RUN_HOME}", self.run_home)
+ .replace("${NODE_HOME}", self.node.node_home)
+ .replace("${HOME}", self.node.home_dir)
+ # If NS3LIBRARIES is defined and not empty, use that value,
+ # if not use ns3_build_home/lib/
+ .replace("${BIN_DCE}", "${NS3LIBRARIES-%s/lib}/../bin_dce" % \
+ self.ns3_build_location)
+ )
+
def valid_connection(self, guid):
# TODO: Validate!
return True
+ def wait_remote_socket(self):
+ """ Waits until the remote socket is created
+ """
+ command = " [ -e %s ] && echo 'DONE' " % self.remote_socket
+
+ for i in xrange(200):
+ (out, err), proc = self.node.execute(command, retry = 1,
+ with_lock = True)
+
+ if out.find("DONE") > -1:
+ break
+ else:
+ raise RuntimeError("Remote socket not found at %s" % \
+ self.remote_socket)
+
+