#
# 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 ResourceManager, clsinit_copy, \
ResourceState, reschedule_delay
from nepi.resources.linux.ccn.ccnapplication import LinuxCCNApplication
from nepi.util.timefuncs import tnow, tdiffsec
import os
@clsinit_copy
class LinuxCCNPingServer(LinuxCCNApplication):
_rtype = "LinuxCCNPingServer"
@classmethod
def _register_attributes(cls):
daemon = Attribute("d",
"Run ccnping server as a daemon in background",
type = Types.Bool,
default = False,
flags = Flags.Design)
freshness = Attribute("x",
"Set FreshnessSeconds",
type = Types.Integer,
flags = Flags.Design)
prefix = Attribute("prefix",
"Prefix to serve content (e.g. ccnx:/name/prefix)",
flags = Flags.Design)
cls._register_attribute(daemon)
cls._register_attribute(freshness)
cls._register_attribute(prefix)
def __init__(self, ec, guid):
super(LinuxCCNPingServer, self).__init__(ec, guid)
self._home = "ccnping-serv-%s" % self.guid
def do_deploy(self):
if not self.get("command"):
self.set("command", self._start_command)
if not self.get("env"):
self.set("env", self._environment)
if not self.get("depends"):
self.set("depends", self._dependencies)
if not self.get("build"):
self.set("build", self._build)
if not self.get("install"):
self.set("install", self._install)
super(LinuxCCNPingServer, self).do_deploy()
@property
def _start_command(self):
args = []
args.append("ccnpingserver")
args.append(self.get("prefix"))
if self.get("d") == True:
args.append("-d")
if self.get("x"):
args.append("-x %d" % self.get("x"))
command = " ".join(args)
return command
@property
def _dependencies(self):
return "git"
@property
def _build(self):
return (
# Evaluate if ccnx binaries are already installed
" ( "
" test -f ${BIN}/ccnping && "
" echo 'binaries found, nothing to do' "
" ) || ( "
# If not, untar and build
" ( "
" git clone git://github.com/NDN-Routing/ccnping ${SRC}/ccnping "
" ) && "
# build
"cd ${SRC}/ccnping && "
" ( "
" ./configure LDFLAGS=-L${SRC}/ccnx-0.7.2/lib CFLAGS=-I${SRC}/ccnx-0.7.2/include "
" --prefix=${BIN}/ccnping && make "
" ) "
" )")
@property
def _install(self):
return (
# Evaluate if ccnx binaries are already installed
" ( "
" test -f ${BIN}/ccnping && "
" echo 'binaries found, nothing to do' "
" ) || ( "
# If not, install
" mkdir -p ${BIN}/ccnping && "
" mv ${SRC}/ccnping/ccnping ${BIN}/ccnping/ && "
" mv ${SRC}/ccnping/ccnpingserver ${BIN}/ccnping/ "
" )"
)
@property
def _environment(self):
return "%s:%s" % (self.ccnd.path, "${BIN}/ccnping")
def valid_connection(self, guid):
# TODO: Validate!
return True