+
+
Source code for nepi.resources.linux.ccn.ccnpingserver
+#
+# 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 version 2 as
+# published by the Free Software Foundation;
+#
+# 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, clsinit_copy, \
+ ResourceState
+from nepi.resources.linux.ccn.ccnapplication import LinuxCCNApplication
+from nepi.util.timefuncs import tnow, tdiffsec
+
+import os
+
+@clsinit_copy
+[docs]class LinuxCCNPingServer(LinuxCCNApplication):
+
_rtype = "linux::CCNPingServer"
+
+
@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
+
+
[docs] 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")
+
+
[docs] def valid_connection(self, guid):
+
# TODO: Validate!
+
return True
+
+
+