return self._state
def execute_command(self, command,
- env = None,
- sudo = False,
- tty = False,
- forward_x11 = False,
- blocking = False):
+ env=None,
+ sudo=False,
+ tty=False,
+ forward_x11=False,
+ blocking=False):
environ = ""
if env:
- environ = self.node.format_environment(env, inline = True)
+ environ = self.node.format_environment(env, inline=True)
command = environ + command
command = self.replace_paths(command)
return self.node.execute(command,
- sudo = sudo,
- tty = tty,
- forward_x11 = forward_x11,
- blocking = blocking)
+ sudo=sudo,
+ tty=tty,
+ forward_x11=forward_x11,
+ blocking=blocking)
- def replace_paths(self, command):
+ def replace_paths(self, command, node=None, app_home=None, run_home=None):
"""
Replace all special path tags with shell-escaped actual paths.
"""
+ if not node:
+ node=self.node
+
+ if not app_home:
+ app_home=self.app_home
+
+ if not run_home:
+ run_home = self.run_home
+
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("${HOME}", self.node.home_dir)
+ .replace("${USR}", node.usr_dir)
+ .replace("${LIB}", node.lib_dir)
+ .replace("${BIN}", node.bin_dir)
+ .replace("${SRC}", node.src_dir)
+ .replace("${SHARE}", node.share_dir)
+ .replace("${EXP}", node.exp_dir)
+ .replace("${EXP_HOME}", node.exp_home)
+ .replace("${APP_HOME}", app_home)
+ .replace("${RUN_HOME}", run_home)
+ .replace("${NODE_HOME}", node.node_home)
+ .replace("${HOME}", node.home_dir)
)
def valid_connection(self, guid):
--- /dev/null
+#
+# NEPI, a framework to manage network experiments
+# Copyright (C) 2013 INRIA
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+# Author: Alina Quereilhac <alina.quereilhac@inria.fr>
+
+from nepi.execution.attribute import Attribute, Flags, Types
+from nepi.execution.resource import clsinit_copy, ResourceState
+from nepi.resources.linux.udptunnel import LinuxUdpTunnel
+from nepi.util.sshfuncs import ProcStatus
+from nepi.util.timefuncs import tnow, tdiffsec
+
+import base64
+import os
+import socket
+import time
+
+@clsinit_copy
+class LinuxNs3FdUdpTunnel(LinuxUdpTunnel):
+ _rtype = "linux::ns3::FdUdpTunnel"
+ _help = "Constructs a tunnel between two Linux FileDescriptorNetdevices using a UDP connection "
+ _platform = "linux::ns3"
+
+ @classmethod
+ def _register_attributes(cls):
+ cipher = Attribute("cipher",
+ "Cipher to encript communication. "
+ "One of PLAIN, AES, Blowfish, DES, DES3. ",
+ default = None,
+ allowed = ["PLAIN", "AES", "Blowfish", "DES", "DES3"],
+ type = Types.Enumerate,
+ flags = Flags.Design)
+
+ cipher_key = Attribute("cipherKey",
+ "Specify a symmetric encryption key with which to protect "
+ "packets across the tunnel. python-crypto must be installed "
+ "on the system." ,
+ flags = Flags.Design)
+
+ txqueuelen = Attribute("txQueueLen",
+ "Specifies the interface's transmission queue length. "
+ "Defaults to 1000. ",
+ type = Types.Integer,
+ flags = Flags.Design)
+
+ bwlimit = Attribute("bwLimit",
+ "Specifies the interface's emulated bandwidth in bytes "
+ "per second.",
+ type = Types.Integer,
+ flags = Flags.Design)
+
+ cls._register_attribute(cipher)
+ cls._register_attribute(cipher_key)
+ cls._register_attribute(txqueuelen)
+ cls._register_attribute(bwlimit)
+
+ def __init__(self, ec, guid):
+ super(LinuxUdpTunnel, self).__init__(ec, guid)
+ self._home = "fd-udp-tunnel-%s" % self.guid
+ self._pids = dict()
+ self._fd1 = None
+ self._fd1node = None
+ self._fd2 = None
+ self._fd2node = None
+
+ def log_message(self, msg):
+ self.get_endpoints()
+ return " guid %d - fd-udptunnel %s - %s - %s " % (self.guid,
+ self.node1.get("hostname"),
+ self.node2.get("hostname"),
+ msg)
+
+ def get_endpoints(self):
+ """ Returns the list of RM that are endpoints to the tunnel
+ """
+ if not self._fd2 or not self._fd1:
+ from nepi.resources.ns3.ns3fdnetdevice import NS3BaseFdNetDevice
+ devices = self.get_connected(NS3BaseFdNetDevice.get_rtype())
+ if not devices or len(devices) != 2:
+ msg = "linux::ns3::TunTapFdLink must be connected to exactly one FdNetDevice"
+ self.error(msg)
+ raise RuntimeError, msg
+
+ self._fd1 = devices[0]
+ self._fd2 = devices[1]
+
+ simu = self._fd1.simulation
+ from nepi.resources.linux.node import LinuxNode
+ nodes = simu.get_connected(LinuxNode.get_rtype())
+ self._fd1node = nodes[0]
+
+ simu = self._fd2.simulation
+ from nepi.resources.linux.node import LinuxNode
+ nodes = simu.get_connected(LinuxNode.get_rtype())
+ self._fd2node = nodes[0]
+
+ if self._fd1node.get("hostname") == \
+ self._fd2node.get("hostname"):
+ msg = "linux::ns3::FdUdpTunnel requires endpoints on different hosts"
+ self.error(msg)
+ raise RuntimeError, msg
+
+ return [self._fd1, self._fd2]
+
+ @property
+ def endpoint1(self):
+ return self._fd1
+
+ @property
+ def endpoint2(self):
+ return self._fd2
+
+ @property
+ def node1(self):
+ return self._fd1node
+
+ @property
+ def node2(self):
+ return self._fd2node
+
+ def endpoint_node(self, endpoint):
+ node = None
+ if endpoint == self.endpoint1:
+ node = self.node1
+ else:
+ node = self.node2
+
+ return node
+
+ def app_home(self, endpoint):
+ node = self.endpoint_node(endpoint)
+ return os.path.join(node.exp_home, self._home)
+
+ def run_home(self, endpoint):
+ return os.path.join(self.app_home(endpoint), self.ec.run_id)
+
+ def upload_sources(self, endpoint):
+ scripts = []
+
+ # vif-passfd python script
+ linux_passfd = os.path.join(os.path.dirname(__file__),
+ "..",
+ "scripts",
+ "linux-ns3-fd-udp-connect.py")
+
+ scripts.append(linux_passfd)
+
+ # Upload scripts
+ scripts = ";".join(scripts)
+
+ node = self.endpoint_node(endpoint)
+ node.upload(scripts,
+ os.path.join(node.src_dir),
+ overwrite = False)
+
+ def endpoint_mkdir(self, endpoint):
+ node = self.endpoint_node(endpoint)
+ run_home = self.run_home(endpoint)
+ node.mkdir(run_home)
+
+ def initiate_connection(self, endpoint, remote_endpoint):
+ cipher = self.get("cipher")
+ cipher_key = self.get("cipherKey")
+ bwlimit = self.get("bwLimit")
+ txqueuelen = self.get("txQueueLen")
+
+ # Upload the tunnel creating script
+ self.upload_sources(endpoint)
+
+ # Request an address to send the file descriptor to the ns-3 simulation
+ address = endpoint.recv_fd()
+
+ # execute the tunnel creation script
+ node = self.endpoint_node(remote_endpoint)
+ remote_ip = node.get("ip")
+ port = self.initiate(endpoint, address, remote_ip, cipher,
+ cipher_key, bwlimit, txqueuelen)
+
+ return port
+
+ def establish_connection(self, endpoint, remote_endpoint, port):
+ self.establish(remote_endpoint, port)
+
+ def verify_connection(self, endpoint, remote_endpoint):
+ self.verify()
+
+ def terminate_connection(self, endpoint, remote_endpoint):
+ # Nothing to do
+ return
+
+ def check_state_connection(self):
+ # Make sure the process is still running in background
+ # No execution errors occurred. Make sure the background
+ # process with the recorded pid is still running.
+
+ node1 = self.endpoint_node(self.endpoint1)
+ node2 = self.endpoint_node(self.endpoint2)
+ run_home1 = self.run_home(self.endpoint1)
+ run_home2 = self.run_home(self.endpoint1)
+ (pid1, ppid1) = self._pids[endpoint1]
+ (pid2, ppid2) = self._pids[endpoint2]
+
+ status1 = node1.status(pid1, ppid1)
+ status2 = node2.status(pid2, ppid2)
+
+ if status1 == ProcStatus.FINISHED and \
+ status2 == ProcStatus.FINISHED:
+
+ # check if execution errors occurred
+ (out1, err1), proc1 = node1.check_errors(run_home1)
+ (out2, err2), proc2 = node2.check_errors(run_home2)
+
+ if err1 or err2:
+ msg = "Error occurred in tunnel"
+ self.error(msg, err1, err2)
+ self.fail()
+ else:
+ self.set_stopped()
+
+ def wait_local_port(self, endpoint):
+ """ Waits until the local_port file for the endpoint is generated,
+ and returns the port number
+
+ """
+ return self.wait_file(endpoint, "local_port")
+
+ def wait_result(self, endpoint):
+ """ Waits until the return code file for the endpoint is generated
+
+ """
+ return self.wait_file(endpoint, "ret_file")
+
+ def wait_file(self, endpoint, filename):
+ """ Waits until file on endpoint is generated """
+ result = None
+ delay = 1.0
+
+ node = self.endpoint_node(endpoint)
+ run_home = self.run_home(endpoint)
+
+ for i in xrange(20):
+ (out, err), proc = node.check_output(run_home, filename)
+
+ if out:
+ result = out.strip()
+ break
+ else:
+ time.sleep(delay)
+ delay = delay * 1.5
+ else:
+ msg = "Couldn't retrieve %s" % filename
+ self.error(msg, out, err)
+ raise RuntimeError, msg
+
+ return result
+
+ def initiate(self, endpoint, address, remote_ip, cipher, cipher_key,
+ bwlimit, txqueuelen):
+ command = self._initiate_command(endpoint, address, remote_ip,
+ cipher, cipher_key, bwlimit, txqueuelen)
+
+ node = self.endpoint_node(endpoint)
+ run_home = self.run_home(endpoint)
+ app_home = self.app_home(endpoint)
+
+ # upload command to connect.sh script
+ shfile = os.path.join(app_home, "fd-udp-connect.sh")
+ node.upload_command(command,
+ shfile = shfile,
+ overwrite = False)
+
+ # invoke connect script
+ cmd = "bash %s" % shfile
+ (out, err), proc = node.run(cmd, run_home)
+
+ # check if execution errors occurred
+ msg = "Failed to connect endpoints "
+
+ if proc.poll():
+ self.error(msg, out, err)
+ raise RuntimeError, msg
+
+ # Wait for pid file to be generated
+ pid, ppid = node.wait_pid(run_home)
+
+ self._pids[endpoint] = (pid, ppid)
+
+ # Check for error information on the remote machine
+ (out, err), proc = node.check_errors(run_home)
+ # Out is what was written in the stderr file
+ if err:
+ msg = " Failed to start command '%s' " % command
+ self.error(msg, out, err)
+ raise RuntimeError, msg
+
+ port = self.wait_local_port(endpoint)
+
+ return port
+
+ def _initiate_command(self, endpoint, address, remote_ip,
+ cipher, cipher_key, bwlimit, txqueuelen):
+ node = self.endpoint_node(endpoint)
+ run_home = self.run_home(endpoint)
+ app_home = self.app_home(endpoint)
+
+ local_port_file = os.path.join(run_home, "local_port")
+ remote_port_file = os.path.join(run_home, "remote_port")
+ ret_file = os.path.join(run_home, "ret_file")
+
+ address = base64.b64encode(address)
+
+ command = [""]
+ # Use pl-vid-udp-connect.py to stablish the tunnel between endpoints
+ command.append("PYTHONPATH=$PYTHONPATH:${SRC}")
+ command.append("python ${SRC}/linux-ns3-fd-udp-connect.py")
+ command.append("-a %s" % address)
+ command.append("-l %s " % local_port_file)
+ command.append("-r %s " % remote_port_file)
+ command.append("-H %s " % remote_ip)
+ command.append("-R %s " % ret_file)
+ if cipher:
+ command.append("-c %s " % cipher)
+ if cipher_key:
+ command.append("-k %s " % cipher_key)
+ if txqueuelen:
+ command.append("-q %s " % txqueuelen)
+ if bwlimit:
+ command.append("-b %s " % bwlimit)
+
+ command = " ".join(command)
+ command = self.replace_paths(command, node=node, app_home=app_home,
+ run_home=run_home)
+
+ return command
+
+ def establish(self, remote_endpoint, port):
+ node = self.endpoint_node(endpoint)
+ run_home = self.run_home(endpoint)
+
+ # upload remote port number to file
+ remote_port = "%s\n" % port
+ node.upload(remote_port,
+ os.path.join(run_home, "remote_port"),
+ text = True,
+ overwrite = False)
+
+ def verify(self):
+ self.wait_result()
+
+++ /dev/null
-#
-# NEPI, a framework to manage network experiments
-# Copyright (C) 2014 INRIA
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-#
-# Author: Alina Quereilhac <alina.quereilhac@inria.fr>
-
-from nepi.execution.attribute import Attribute, Flags, Types
-from nepi.execution.resource import ResourceManager, ResourceState, \
- clsinit_copy
-
-import os
-import socket
-import struct
-import fcntl
-
-@clsinit_copy
-class TapFdLink(ResourceManager):
- """ Interconnects a TAP or TUN Linux device to a FdNetDevice
- """
- _rtype = "linux::ns3::TapFdLink"
-
- def __init__(self, ec, guid):
- super(TapFdLink, self).__init__(ec, guid)
- self._tap = None
- self._fdnetdevice = None
- self._fd = None
-
- @property
- def fdnetdevice(self):
- if not self._fdnetdevice:
- from nepi.resources.ns3.ns3fdnetdevice import NS3BaseFdNetDevice
- devices = self.get_connected(NS3BaseFdNetDevice.get_rtype())
- if not devices or len(devices) != 1:
- msg = "TapFdLink must be connected to exactly one FdNetDevices"
- self.error(msg)
- raise RuntimeError, msg
-
- self._fdnetdevice = devices[0]
-
- return self._fdnetdevice
-
- @property
- def fdnode(self):
- return self.fdnetdevice.node
-
- @property
- def tap(self):
- if not self._tap:
- from nepi.resources.linux.tap import LinuxTap
- devices = self.get_connected(LinuxTap.get_rtype())
- if not devices or len(devices) != 1:
- msg = "TapFdLink must be connected to exactly one LinuxTap"
- self.error(msg)
- raise RuntimeError, msg
-
- self._tap = devices[0]
-
- return self._tap
-
- @property
- def tapnode(self):
- return self.tap.node
-
- def do_provision(self):
- tap = self.tap
- fdnetdevice = self.fdnetdevice
-
- vif_name = self.ec.get(tap.guid, "deviceName")
- vif_type = tap.vif_type_flag
- pi = self.ec.get(tap.guid, "pi")
-
- self._fd = self.open_tap(vif_name, vif_type, pi)
-
- fdnetdevice.send_fd(self._fd)
-
- super(TapFdLink, self).do_provision()
-
- def do_deploy(self):
- if self.tap.state < ResourceState.READY or \
- self.fdnetdevice.state < ResourceState.READY:
- self.ec.schedule(self.reschedule_delay, self.deploy)
- else:
- self.do_discover()
- self.do_provision()
-
- super(TapFdLink, self).do_deploy()
-
- def open_tap(self, vif_name, vif_type, pi):
- IFF_NO_PI = 0x1000
- TUNSETIFF = 0x400454ca
-
- flags = 0
- flags |= vif_type
-
- if not pi:
- flags |= IFF_NO_PI
-
- fd = os.open("/dev/net/tun", os.O_RDWR)
-
- err = fcntl.ioctl(fd, TUNSETIFF, struct.pack("16sH", vif_name, flags))
- if err < 0:
- os.close(fd)
- raise RuntimeError("Could not configure device %s" % vif_name)
-
- return fd
-
--- /dev/null
+import base64
+import errno
+import os
+import time
+import signal
+import socket
+import tunchannel
+import passfd
+
+from optparse import OptionParser
+
+# Trak SIGTERM, and set global termination flag instead of dying
+TERMINATE = []
+def _finalize(sig,frame):
+ global TERMINATE
+ TERMINATE.append(None)
+signal.signal(signal.SIGTERM, _finalize)
+
+# SIGUSR1 suspends forwading, SIGUSR2 resumes forwarding
+SUSPEND = []
+def _suspend(sig,frame):
+ global SUSPEND
+ if not SUSPEND:
+ SUSPEND.append(None)
+signal.signal(signal.SIGUSR1, _suspend)
+
+def _resume(sig,frame):
+ global SUSPEND
+ if SUSPEND:
+ SUSPEND.remove(None)
+signal.signal(signal.SIGUSR2, _resume)
+
+def get_options():
+ usage = ("usage: %prog -a <address> "
+ "-b <bwlimit> -c <cipher> -k <cipher-key> -q <txqueuelen> "
+ "-l <local-port-file> -r <remote-port-file> -H <remote-host> "
+ "-R <ret-file> ")
+
+ parser = OptionParser(usage = usage)
+
+ parser.add_option("-a", "--address", dest="address",
+ help="Socket address to send file descriptor to", type="str")
+
+ parser.add_option("-b", "--bwlimit", dest="bwlimit",
+ help="Specifies the interface's emulated bandwidth in bytes ",
+ default=None, type="int")
+ parser.add_option("-q", "--txqueuelen", dest="txqueuelen",
+ help="Specifies the interface's transmission queue length. ",
+ default=1000, type="int")
+ parser.add_option("-c", "--cipher", dest="cipher",
+ help="Cipher to encript communication. "
+ "One of PLAIN, AES, Blowfish, DES, DES3. ",
+ default=None, type="str")
+ parser.add_option("-k", "--cipher-key", dest="cipher_key",
+ help="Specify a symmetric encryption key with which to protect "
+ "packets across the tunnel. python-crypto must be installed "
+ "on the system." ,
+ default=None, type="str")
+
+ parser.add_option("-l", "--local-port-file", dest="local_port_file",
+ help = "File where to store the local binded UDP port number ",
+ default = "local_port_file", type="str")
+ parser.add_option("-r", "--remote-port-file", dest="remote_port_file",
+ help = "File where to read the remote UDP port number to connect to",
+ default = "remote_port_file", type="str")
+ parser.add_option("-H", "--remote-host", dest="remote_host",
+ help = "Remote host IP", default = "remote_host", type="str")
+ parser.add_option("-R", "--ret-file", dest="ret_file",
+ help = "File where to store return code (success of connection) ",
+ default = "ret_file", type="str")
+
+ (options, args) = parser.parse_args()
+
+ address = base64.b64decode(options.address)
+
+ return ( address,
+ options.local_port_file, options.remote_port_file,
+ options.remote_host, options.ret_file, options.bwlimit,
+ options.cipher, options.cipher_key, options.txqueuelen )
+
+if __name__ == '__main__':
+
+ (address, local_port_file, remote_port_file, remote_host, ret_file,
+ bwlimit, cipher, cipher_key, txqueuelen) = get_options()
+
+ # Create a local socket to stablish the tunnel connection
+ hostaddr = socket.gethostbyname(socket.gethostname())
+ rsock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, 0)
+ rsock.bind((hostaddr, 0))
+ (local_host, local_port) = rsock.getsockname()
+
+ # Save local port information to file
+ f = open(local_port_file, 'w')
+ f.write("%d\n" % local_port)
+ f.close()
+
+ # Wait until remote port information is available
+ while not os.path.exists(remote_port_file):
+ time.sleep(2)
+
+ remote_port = ''
+ # Read remote port from file
+ # Try until something is read...
+ # xxx: There seems to be a weird behavior where
+ # even if the file exists and had the port number,
+ # the read operation returns empty string!
+ # Maybe a race condition?
+ for i in xrange(10):
+ f = open(remote_port_file, 'r')
+ remote_port = f.read()
+ f.close()
+
+ if remote_port:
+ break
+
+ time.sleep(2)
+
+ remote_port = remote_port.strip()
+ remote_port = int(remote_port)
+
+ # Connect local socket to remote port
+ rsock.connect((remote_host, remote_port))
+ remote = os.fdopen(rsock.fileno(), 'r+b', 0)
+
+ # create local socket to pass to fd-net-device
+ lsock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
+ lsock.bind("")
+ lsock.getsockname()
+ local = os.fdopen(lsock.fileno(), 'r+b', 0)
+
+ # pass local socket to fd-net-device
+ sock = socket.socket(socket.AF_UNIX, socket.SOCK_DGRAM)
+ sock.connect(address)
+ passfd.sendfd(sock, local, '0')
+
+ # TODO: Test connectivity!
+
+ # Create a ret_file to indicate success
+ f = open(ret_file, 'w')
+ f.write("0")
+ f.close()
+
+ # Establish tunnel
+ tunchannel.tun_fwd(local, remote,
+ with_pi = False, # No PI headers
+ ether_mode = IFF_TAP, # Ns-3 generates ethernet pkts
+ udp = True,
+ cipher_key = cipher_key,
+ cipher = cipher,
+ TERMINATE = TERMINATE,
+ SUSPEND = SUSPEND,
+ tunqueue = txqueuelen,
+ tunkqueue = 500,
+ bwlimit = bwlimit
+ )
+
vif_type = IFF_TAP
if options.vif_type and options.vif_type == "IFF_TUN":
vif_type = IFF_TUN
+
+ address = base64.b64decode(options.address)
- return (options.address, options.vif_name, vif_type, options.pi)
+ return (address, options.vif_name, vif_type, options.pi)
if __name__ == '__main__':
os.close(fd)
raise RuntimeError("Could not retrive file descriptor from %s" % vif_name)
- address = base64.b64decode(address)
sock = socket.socket(socket.AF_UNIX, socket.SOCK_DGRAM)
sock.connect(address)
def run_home(self, endpoint):
return os.path.join(self.app_home(endpoint), self.ec.run_id)
+ def endpoint_mkdir(self, endpoint):
+ self.endpoint.node.mkdir(self.run_home(self.endpoint))
+
def initiate_connection(self, endpoint, remote_endpoint):
raise NotImplementedError
def do_provision(self):
# create run dir for tunnel on each node
- self.endpoint1.node.mkdir(self.run_home(self.endpoint1))
- self.endpoint2.node.mkdir(self.run_home(self.endpoint2))
+ self.endpoint_mkdir(self.endpoint1)
+ self.endpoint_mkdir(self.endpoint2)
self.debug("Initiate the connection")
# Start 2 step connection
@skipIfNotAlive
def t_cross_ccncat(self, host, user = None, identity = None):
- ec = ExperimentController(exp_id = "test-linux-ns3-ccnpeek")
+ ec = ExperimentController(exp_id = "test-linux-ns3-ccncat")
node = ec.register_resource("linux::Node")
if host == "localhost":
#ec.wait_finished([ccncat])
import time
- time.sleep(60)
+ time.sleep(80)
stdout = ec.trace(ccncat, "stdout")
f = open("bunny.ts", "w")
--- /dev/null
+#!/usr/bin/env python
+#
+# NEPI, a framework to manage network experiments
+# Copyright (C) 2013 INRIA
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+# Author: Alina Quereilhac <alina.quereilhac@inria.fr>
+
+from nepi.execution.ec import ExperimentController
+from nepi.execution.resource import ResourceState, ResourceAction
+from nepi.execution.trace import TraceAttr
+
+from test_utils import skipIfNotAlive
+
+import os
+import time
+import unittest
+
+def add_ns3_node(ec, simu):
+ node = ec.register_resource("ns3::Node")
+ ec.set(node, "enableStack", True)
+ ec.register_connection(node, simu)
+
+ return node
+
+def add_fd_device(ec, node, ip, prefix):
+ dev = ec.register_resource("ns3::FdNetDevice")
+ ec.set(dev, "ip", ip)
+ ec.set(dev, "prefix", prefix)
+ ec.register_connection(node, dev)
+
+ return dev
+
+def add_tap_device(ec, node, ip, prefix):
+ dev = ec.register_resource("linux::Tap")
+ ec.set(dev, "ip", ip)
+ ec.set(dev, "prefix", prefix)
+ ec.register_connection(node, dev)
+
+ return dev
+
+def add_point2point_device(ec, node, ip, prefix):
+ dev = ec.register_resource("ns3::PointToPointNetDevice")
+ ec.set(dev, "ip", ip)
+ ec.set(dev, "prefix", prefix)
+ ec.register_connection(node, dev)
+
+ queue = ec.register_resource("ns3::DropTailQueue")
+ ec.register_connection(dev, queue)
+
+ return dev
+
+class LinuxNS3FdNetDeviceTest(unittest.TestCase):
+ def setUp(self):
+ self.fedora_host = "nepi2.pl.sophia.inria.fr"
+ self.fedora_user = "inria_nepi"
+ self.fedora_identity = "%s/.ssh/id_rsa_planetlab" % (os.environ['HOME'])
+
+ self.ubuntu_host = "roseval.pl.sophia.inria.fr"
+ self.ubuntu_user = "inria_nepi"
+ self.ubuntu_identity = "%s/.ssh/id_rsa" % (os.environ['HOME'])
+
+ @skipIfNotAlive
+ def t_cross_tunnel_ping(self, host, user = None, identity = None):
+ ec = ExperimentController(exp_id = "test-linux-ns3-tap-fd")
+
+ node1 = ec.register_resource("linux::Node")
+ ec.set(node1, "hostname", "localhost")
+ ec.set(node1, "cleanProcesses", True)
+ ec.set(node1, "cleanExperiment", True)
+
+ simu1 = ec.register_resource("linux::ns3::Simulation")
+ ec.set(simu1, "simulatorImplementationType", "ns3::RealtimeSimulatorImpl")
+ ec.set(simu1, "checksumEnabled", True)
+ ec.set(simu1, "verbose", True)
+ #ec.set(simu1, "buildMode", "debug")
+ #ec.set(simu1, "nsLog", "FdNetDevice")
+ ec.register_connection(simu1, node1)
+
+ nsnode1 = ec.register_resource("ns3::Node")
+ ec.set(nsnode1, "enableStack", True)
+ ec.register_connection(nsnode1, simu1)
+
+ fddev1 = ec.register_resource("ns3::FdNetDevice")
+ ec.set(fddev1, "ip", "10.0.0.1")
+ ec.set(fddev1, "prefix", "30")
+ ec.register_connection(nsnode1, fddev1)
+
+ node2 = ec.register_resource("linux::Node")
+ ec.set(node2, "hostname", host)
+ ec.set(node2, "username", user)
+ ec.set(node2, "identity", identity)
+ ec.set(node2, "cleanProcesses", True)
+ ec.set(node2, "cleanExperiment", True)
+
+ simu2 = ec.register_resource("linux::ns3::Simulation")
+ ec.set(simu2, "simulatorImplementationType", "ns3::RealtimeSimulatorImpl")
+ ec.set(simu2, "checksumEnabled", True)
+ ec.set(simu2, "verbose", True)
+ #ec.set(simu2, "buildMode", "debug")
+ #ec.set(simu2, "nsLog", "FdNetDevice")
+ ec.register_connection(simu2, node2)
+
+ nsnode2 = ec.register_resource("ns3::Node")
+ ec.set(nsnode2, "enableStack", True)
+ ec.register_connection(nsnode2, simu2)
+
+ fddev2 = ec.register_resource("ns3::FdNetDevice")
+ ec.set(fddev2, "ip", "10.0.0.2")
+ ec.set(fddev2, "prefix", "30")
+ ec.register_connection(nsnode2, fddev2)
+
+ tunnel = ec.register_resource("linux::ns3::FdUdpTunnel")
+ ec.register_connection(tunnel, fddev1)
+ ec.register_connection(tunnel, fddev2)
+
+ ping = ec.register_resource("ns3::V4Ping")
+ ec.set (ping, "Remote", "10.0.0.2")
+ ec.set (ping, "Interval", "1s")
+ ec.set (ping, "Verbose", True)
+ ec.set (ping, "StartTime", "0s")
+ ec.set (ping, "StopTime", "20s")
+ ec.register_connection(ping, nsnode1)
+
+ ec.deploy()
+
+ ec.wait_finished([ping])
+
+ stdout = ec.trace(simu1, "stdout")
+
+ expected = "20 packets transmitted, 20 received, 0% packet loss"
+ self.assertTrue(stdout.find(expected) > -1)
+
+ ec.shutdown()
+
+ def ztest_cross_ping_fedora(self):
+ self.t_cross_ping(self.fedora_host, self.fedora_user, self.fedora_identity)
+
+ def test_cross_tunnel_ping_ubuntu(self):
+ self.t_cross_tunnel_ping(self.ubuntu_host, self.ubuntu_user, self.ubuntu_identity)
+
+
+if __name__ == '__main__':
+ unittest.main()
+
git://git.onelab.eu / nepi.git / commitdiff