nsc: fix liblinux2.6.18.so sym link creation
changeset 3628:a9c05c7e54f2 ('Move all NSC related build code into
src/internet-stack') erronoulsy moved the sym link creation outside
of the loop.
closes bug #328.
## -*- Mode: python; py-indent-offset: 4; indent-tabs-mode: nil; coding: utf-8; -*-
import Params
import Task
import os
import urllib
# Mercurial repository of the network simulation cradle
NSC_REPO = "https://secure.wand.net.nz/mercurial/nsc"
NSC_RELEASE_URL = "http://research.wand.net.nz/software/nsc"
NSC_RELEASE_NAME = "nsc-0.4.0"
# directory that contains network simulation cradle source
# note, this path is relative to the project root
NSC_DIR = "nsc"
def set_options(opt):
opt.add_option('--enable-nsc',
help=('Enable Network Simulation Cradle to allow the use real-world network stacks'),
action="store_true", default=False,
dest='enable_nsc')
def nsc_fetch():
def nsc_clone():
print "Retrieving nsc from " + NSC_REPO
if os.system("hg version > /dev/null 2>&1") != 0:
Params.fatal("Mercurial not installed, http fallback not yet implemented")
if os.system("hg clone " + NSC_REPO) != 0:
Params.fatal("hg -q clone %s failed" % NSC_REPO)
def nsc_update():
if os.system("hg version > /dev/null 2>&1") != 0:
Params.warning("Mercurial not installed, not updating nsc source")
print "Pulling nsc updates from " + NSC_REPO
if os.system("cd nsc && hg pull %s && hg update" % NSC_REPO) != 0:
Params.warning("Updating nsc using mercurial failed")
def nsc_download():
local_file = NSC_RELEASE_NAME + ".tar.bz2"
remote_file = NSC_RELEASE_URL + "/" + local_file
print "Retrieving nsc from " + remote_file
urllib.urlretrieve(remote_file, local_file)
print "Uncompressing " + local_file
os.system("tar -xjf " + local_file)
os.system('mv ' + NSC_RELEASE_NAME + ' nsc')
if not os.path.exists('.hg'):
nsc_download ()
elif not os.path.exists("nsc"):
nsc_clone()
else:
nsc_update()
def configure(conf):
# checks for flex and bison, which is needed to build NSCs globaliser
def check_nsc_buildutils():
import flex
import bison
conf.check_tool('flex bison')
e = conf.create_library_configurator()
e.mandatory = True
e.name = 'fl'
e.run()
if not Params.g_options.enable_nsc:
conf.report_optional_feature("nsc", "Network Simulation Cradle", False,
"--enable-nsc configure option not given")
return
check_nsc_buildutils()
arch = os.uname()[4]
ok = False
if arch == 'x86_64' or arch == 'i686' or arch == 'i586' or arch == 'i486' or arch == 'i386':
conf.env['NSC_ENABLED'] = 'yes'
conf.env.append_value('CXXDEFINES', 'NETWORK_SIMULATION_CRADLE')
e = conf.create_library_configurator()
e.mandatory = True
e.name = 'dl'
e.define = 'HAVE_DL'
e.uselib = 'DL'
e.run()
ok = True
conf.check_message('NSC supported architecture', arch, ok)
conf.report_optional_feature("nsc", "Network Simulation Cradle", ok,
"architecture %r not supported" % arch)
nsc_fetch()
class NscBuildTask(Task.TaskBase):
"""task that builds nsc
"""
def __init__(self, builddir):
self.m_display = 'build-nsc'
self.prio = 1000 # build after the rest of ns-3
self.builddir = builddir
super(NscBuildTask, self).__init__()
def run(self):
# XXX: Detect gcc major version(s) available to build supported stacks
builddir = self.builddir
kernels = [['linux-2.6.18', 'linux2.6.18'],
['linux-2.6.26', 'linux2.6.26']]
for dir, name in kernels:
soname = 'lib' + name + '.so'
if not os.path.exists(os.path.join("..", NSC_DIR, dir, soname)):
if os.system('cd ../%s && python scons.py %s' % (NSC_DIR, dir)) != 0:
Params.fatal("Building NSC stack failed")
if not os.path.exists(builddir + '/' + soname):
try:
os.symlink('../../' + NSC_DIR + '/' + dir + '/' + soname, builddir + '/' + soname)
except:
Params.fatal("Error linking " + builddir + '/' + soname)
def build(bld):
obj = bld.create_ns3_module('internet-stack', ['node'])
obj.source = [
'internet-stack.cc',
'ipv4-l4-protocol.cc',
'udp-header.cc',
'tcp-header.cc',
'ipv4-checksum.cc',
'ipv4-interface.cc',
'ipv4-l3-protocol.cc',
'ipv4-static-routing.cc',
'ipv4-end-point.cc',
'udp-l4-protocol.cc',
'tcp-l4-protocol.cc',
'arp-header.cc',
'arp-cache.cc',
'arp-ipv4-interface.cc',
'arp-l3-protocol.cc',
'ipv4-loopback-interface.cc',
'udp-socket-impl.cc',
'tcp-socket-impl.cc',
'ipv4-end-point-demux.cc',
'ipv4-impl.cc',
'udp-socket-factory-impl.cc',
'tcp-socket-factory-impl.cc',
'pending-data.cc',
'sequence-number.cc',
'rtt-estimator.cc',
]
headers = bld.create_obj('ns3header')
headers.module = 'internet-stack'
headers.source = [
'internet-stack.h',
'udp-header.h',
'tcp-header.h',
'sequence-number.h',
'ipv4-interface.h',
'ipv4-l3-protocol.h',
'ipv4-static-routing.h',
]
if bld.env()['NSC_ENABLED']:
obj.source.append ('nsc-tcp-socket-impl.cc')
obj.source.append ('nsc-tcp-l4-protocol.cc')
obj.source.append ('nsc-tcp-socket-factory-impl.cc')
obj.source.append ('nsc-sysctl.cc')
obj.uselib = 'DL'
builddir = os.path.abspath(os.path.join(bld.env()['NS3_BUILDDIR'], bld.env ().variant()))
NscBuildTask(builddir)