#
# 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 .
#
# Author: Alina Quereilhac
from nepi.execution.attribute import Attribute, Flags, Types
from nepi.execution.resource import clsinit_copy, ResourceState, \
reschedule_delay
from nepi.resources.linux.ccn.ccnapplication import LinuxCCNApplication
import os
@clsinit_copy
class LinuxCCNCat(LinuxCCNApplication):
_rtype = "LinuxCCNCat"
@classmethod
def _register_attributes(cls):
content_name = Attribute("contentName",
"Content name for the content to peek",
flags = Flags.Design)
pipeline = Attribute("pipeline",
"CCNCat pipeline",
flags = Flags.Design)
cls._register_attribute(content_name)
cls._register_attribute(pipeline)
def __init__(self, ec, guid):
super(LinuxCCNCat, self).__init__(ec, guid)
self._home = "ccncat-%s" % self.guid
def do_deploy(self):
if not self.ccnd or self.ccnd.state < ResourceState.READY:
self.debug("---- RESCHEDULING DEPLOY ---- node state %s " % self.node.state )
self.ec.schedule(reschedule_delay, self.deploy)
else:
command = self.get("command")
if not command:
command = "ccncat %s" % self.get("contentName")
if self.get("pipeline"):
command += " -p %s " % self.get("pipeline")
self.set("command", command)
self.info("Deploying command '%s' " % command)
if not self.get("env"):
self.set("env", self._environment)
self.do_discover()
self.do_provision()
self.set_ready()
def valid_connection(self, guid):
# TODO: Validate!
return True