## -*- Mode: python; py-indent-offset: 4; indent-tabs-mode: nil; coding: utf-8; -*-
import sys
import shlex
import shutil
import types
import optparse
import os.path
import Params
import Object
import pproc as subprocess
Params.g_autoconfig = 1
# the following two variables are used by the target "waf dist"
VERSION = file("VERSION").read().strip()
APPNAME = 'ns'
# these variables are mandatory ('/' are converted automatically)
srcdir = '.'
blddir = 'build'
def dist_hook():
shutil.rmtree("doc/html", True)
shutil.rmtree("doc/latex", True)
def set_options(opt):
def debug_option_callback(option, opt, value, parser):
if value == 'debug':
setattr(parser.values, option.dest, 'ultradebug')
elif value == 'optimized':
setattr(parser.values, option.dest, 'optimized')
else:
raise optparse.OptionValueError("allowed --debug-level values"
" are debug, optimized.")
opt.add_option('-d', '--debug-level',
action='callback',
type="string", dest='debug_level', default='ultradebug',
help=('Specify the debug level, does nothing if CFLAGS is set'
' in the environment. [Allowed Values: debug, optimized].'
' WARNING: this option only has effect '
'with the configure command.'),
callback=debug_option_callback)
# options provided by the modules
opt.tool_options('compiler_cxx')
opt.add_option('--enable-gcov',
help=('Enable code coverage analysis.'
' WARNING: this option only has effect '
'with the configure command.'),
action="store_true", default=False,
dest='enable_gcov')
opt.add_option('--lcov-report',
help=('Generate a code coverage report '
'(use this option at build time, not in configure)'),
action="store_true", default=False,
dest='lcov_report')
opt.add_option('--doxygen',
help=('Run doxygen to generate html documentation from source comments'),
action="store_true", default=False,
dest='doxygen')
opt.add_option('--run',
help=('Run a locally built program; argument can be a program name,'
' or a command starting with the program name.'),
type="string", default='', dest='run')
opt.add_option('--command-template',
help=('Template of the command used to run the program given by --run;'
' It should be a shell command string containing %s inside,'
' which will be replaced by the actual program.'),
type="string", default=None, dest='command_template')
opt.add_option('--valgrind',
help=('Change the default command template to run programs and unit tests with valgrind'),
action="store_true", default=False,
dest='valgrind')
opt.add_option('--shell',
help=('Run a shell with an environment suitably modified to run locally built programs'),
action="store_true", default=False,
dest='shell')
# options provided in a script in a subdirectory named "src"
opt.sub_options('src')
def configure(conf):
conf.check_tool('compiler_cxx')
# create the second environment, set the variant and set its name
variant_env = conf.env.copy()
debug_level = Params.g_options.debug_level.lower()
if debug_level == 'ultradebug':
variant_name = 'debug'
else:
variant_name = debug_level
variant_env['INCLUDEDIR'] = os.path.join(variant_env['PREFIX'], 'include')
if Params.g_options.enable_gcov:
variant_name += '-gcov'
variant_env.append_value('CCFLAGS', '-fprofile-arcs')
variant_env.append_value('CCFLAGS', '-ftest-coverage')
variant_env.append_value('CXXFLAGS', '-fprofile-arcs')
variant_env.append_value('CXXFLAGS', '-ftest-coverage')
variant_env.append_value('LINKFLAGS', '-fprofile-arcs')
conf.env['NS3_ACTIVE_VARIANT'] = variant_name
variant_env['NS3_ACTIVE_VARIANT'] = variant_name
variant_env.set_variant(variant_name)
conf.set_env_name(variant_name, variant_env)
conf.setenv(variant_name)
variant_env.append_value('CXXDEFINES', 'RUN_SELF_TESTS')
if (os.path.basename(conf.env['CXX']).startswith("g++")
and 'CXXFLAGS' not in os.environ):
variant_env.append_value('CXXFLAGS', ['-Werror'])
if 'debug' in Params.g_options.debug_level.lower():
variant_env.append_value('CXXDEFINES', 'NS3_ASSERT_ENABLE')
variant_env.append_value('CXXDEFINES', 'NS3_LOG_ENABLE')
## In optimized builds we still want debugging symbols, e.g. for
## profiling, and at least partially usable stack traces.
if ('optimized' in Params.g_options.debug_level.lower()
and 'CXXFLAGS' not in os.environ):
for flag in variant_env['CXXFLAGS_DEBUG']:
## this probably doesn't work for MSVC
if flag.startswith('-g'):
variant_env.append_value('CXXFLAGS', flag)
## in optimized builds, replace -O2 with -O3
if 'optimized' in Params.g_options.debug_level.lower():
lst = variant_env['CXXFLAGS']
for i, flag in enumerate(lst):
if flag == '-O2':
lst[i] = '-O3'
if sys.platform == 'win32':
if os.path.basename(conf.env['CXX']).startswith("g++"):
variant_env.append_value("LINKFLAGS", "-Wl,--enable-runtime-pseudo-reloc")
conf.sub_config('src')
conf.sub_config('utils')
if Params.g_options.enable_modules:
conf.env['NS3_ENABLED_MODULES'] = ['ns3-'+mod for mod in
Params.g_options.enable_modules.split(',')]
def create_ns3_program(bld, name, dependencies=('simulator',)):
program = bld.create_obj('cpp', 'program')
program.name = name
program.target = program.name
program.uselib_local = 'ns3'
program.ns3_module_dependencies = ['ns3-'+dep for dep in dependencies]
return program
def build(bld):
print "Entering directory `%s/build'" % Params.g_build.m_curdirnode.abspath()
Params.g_cwd_launch = Params.g_build.m_curdirnode.abspath()
bld.create_ns3_program = types.MethodType(create_ns3_program, bld)
variant_name = bld.env_of_name('default')['NS3_ACTIVE_VARIANT']
variant_env = bld.env_of_name(variant_name)
bld.m_allenvs['default'] = variant_env # switch to the active variant
if Params.g_options.shell:
run_shell()
raise SystemExit(0)
if Params.g_options.doxygen:
doxygen()
raise SystemExit(0)
check_shell()
if Params.g_options.doxygen:
doxygen()
raise SystemExit(0)
# process subfolders from here
bld.add_subdirs('src')
bld.add_subdirs('samples utils examples tutorial')
## if --enabled-modules option was given, we disable building the
## modules that were not enabled, and programs that depend on
## disabled modules.
env = bld.env()
if Params.g_options.enable_modules:
Params.warning("the option --enable-modules is being applied to this build only;"
" to make it permanent it needs to be given to waf configure.")
env['NS3_ENABLED_MODULES'] = ['ns3-'+mod for mod in
Params.g_options.enable_modules.split(',')]
if env['NS3_ENABLED_MODULES']:
modules = env['NS3_ENABLED_MODULES']
changed = True
while changed:
changed = False
for module in modules:
module_obj = Object.name_to_obj(module)
if module_obj is None:
raise ValueError("module %s not found" % module)
for dep in module_obj.add_objects:
if not dep.startswith('ns3-'):
continue
if dep not in modules:
modules.append(dep)
changed = True
## remove objects that depend on modules not listed
for obj in list(Object.g_allobjs):
if hasattr(obj, 'ns3_module_dependencies'):
for dep in obj.ns3_module_dependencies:
if dep not in modules:
Object.g_allobjs.remove(obj)
break
if obj.name in env['NS3_MODULES'] and obj.name not in modules:
Object.g_allobjs.remove(obj)
## Create a single ns3 library containing all enabled modules
lib = bld.create_obj('cpp', 'shlib')
lib.name = 'ns3'
lib.target = 'ns3'
if env['NS3_ENABLED_MODULES']:
lib.add_objects = list(modules)
else:
lib.add_objects = list(env['NS3_MODULES'])
def get_command_template():
if Params.g_options.valgrind:
if Params.g_options.command_template:
Params.fatal("Options --command-template and --valgrind are conflicting")
return "valgrind %s"
else:
return (Params.g_options.command_template or '%s')
def shutdown():
#import UnitTest
#ut = UnitTest.unit_test()
#ut.change_to_testfile_dir = True
#ut.want_to_see_test_output = True
#ut.want_to_see_test_error = True
#ut.run()
#ut.print_results()
if Params.g_commands['check']:
_run_waf_check()
if Params.g_options.lcov_report:
lcov_report()
if Params.g_options.run:
run_program(Params.g_options.run, get_command_template())
raise SystemExit(0)
if Params.g_options.command_template:
Params.fatal("Option --command-template requires the option --run to be given")
def _run_waf_check():
## generate the trace sources list docs
env = Params.g_build.env_of_name('default')
proc_env = _get_proc_env()
try:
prog = _find_program('print-introspected-doxygen', env).m_linktask.m_outputs[0].abspath(env)
except ValueError: # could happen if print-introspected-doxygen is
# not built because of waf configure
# --enable-modules=xxx
pass
else:
out = open('doc/introspected-doxygen.h', 'w')
if subprocess.Popen([prog], stdout=out, env=proc_env).wait():
raise SystemExit(1)
out.close()
run_program('run-tests', get_command_template())
def _find_program(program_name, env):
launch_dir = os.path.abspath(Params.g_cwd_launch)
found_programs = []
for obj in Object.g_allobjs:
if obj.m_type != 'program' or not obj.target:
continue
## filter out programs not in the subtree starting at the launch dir
if not (obj.path.abspath().startswith(launch_dir)
or obj.path.abspath(env).startswith(launch_dir)):
continue
found_programs.append(obj.target)
if obj.target == program_name:
return obj
raise ValueError("program '%s' not found; available programs are: %r"
% (program_name, found_programs))
def _get_proc_env(os_env=None):
env = Params.g_build.env_of_name('default')
if sys.platform == 'linux2':
pathvar = 'LD_LIBRARY_PATH'
elif sys.platform == 'darwin':
pathvar = 'DYLD_LIBRARY_PATH'
elif sys.platform == 'win32':
pathvar = 'PATH'
elif sys.platform == 'cygwin':
pathvar = 'PATH'
else:
Params.warning(("Don't know how to configure "
"dynamic library path for the platform '%s'") % (sys.platform,))
pathvar = None
proc_env = dict(os.environ)
if os_env is not None:
proc_env.update(os_env)
if pathvar is not None:
if pathvar in proc_env:
proc_env[pathvar] = os.pathsep.join(list(env['NS3_MODULE_PATH']) + [proc_env[pathvar]])
else:
proc_env[pathvar] = os.pathsep.join(list(env['NS3_MODULE_PATH']))
return proc_env
def _run_argv(argv, os_env=None):
proc_env = _get_proc_env(os_env)
retval = subprocess.Popen(argv, env=proc_env).wait()
if retval:
Params.fatal("Command %s exited with code %i" % (argv, retval))
def run_program(program_string, command_template=None):
"""
if command_template is not None, then program_string == program
name and argv is given by command_template with %s replaced by the
full path to the program. Else, program_string is interpreted as
a shell command with first name being the program name.
"""
env = Params.g_build.env_of_name('default')
if command_template is None:
argv = shlex.split(program_string)
program_name = argv[0]
try:
program_obj = _find_program(program_name, env)
except ValueError, ex:
Params.fatal(str(ex))
try:
program_node, = program_obj.m_linktask.m_outputs
except AttributeError:
Params.fatal("%s does not appear to be a program" % (program_name,))
execvec = [program_node.abspath(env)] + argv[1:]
else:
program_name = program_string
try:
program_obj = _find_program(program_name, env)
except ValueError, ex:
Params.fatal(str(ex))
try:
program_node, = program_obj.m_linktask.m_outputs
except AttributeError:
Params.fatal("%s does not appear to be a program" % (program_name,))
execvec = shlex.split(command_template % (program_node.abspath(env),))
former_cwd = os.getcwd()
os.chdir(Params.g_cwd_launch)
try:
retval = _run_argv(execvec)
finally:
os.chdir(former_cwd)
return retval
def check_shell():
if 'NS3_MODULE_PATH' not in os.environ:
return
env = Params.g_build.env_of_name('default')
correct_modpath = os.pathsep.join(env['NS3_MODULE_PATH'])
found_modpath = os.environ['NS3_MODULE_PATH']
if found_modpath != correct_modpath:
msg = ("Detected shell (waf --shell) with incorrect configuration\n"
"=========================================================\n"
"Possible reasons for this problem:\n"
" 1. You switched to another ns-3 tree from inside this shell\n"
" 2. You switched ns-3 debug level (waf configure --debug)\n"
" 3. You modified the list of built ns-3 modules\n"
"You should correct this situation before running any program. Possible solutions:\n"
" 1. Exit this shell, and start a new one\n"
" 2. Run a new nested shell")
Params.fatal(msg)
def run_shell():
if sys.platform == 'win32':
shell = os.environ.get("COMSPEC", "cmd.exe")
else:
shell = os.environ.get("SHELL", "/bin/sh")
env = Params.g_build.env_of_name('default')
_run_argv([shell], {'NS3_MODULE_PATH': os.pathsep.join(env['NS3_MODULE_PATH'])})
def doxygen():
if not os.path.exists('doc/introspected-doxygen.h'):
Params.warning("doc/introspected-doxygen.h does not exist; run waf check to generate it.")
## run doxygen
doxygen_config = os.path.join('doc', 'doxygen.conf')
if subprocess.Popen(['doxygen', doxygen_config]).wait():
raise SystemExit(1)
def lcov_report():
env = Params.g_build.env_of_name('default')
variant_name = env['NS3_ACTIVE_VARIANT']
if 'gcov' not in variant_name:
Params.fatal("project not configured for code coverage;"
" reconfigure with --enable-gcov")
os.chdir(blddir)
try:
lcov_report_dir = os.path.join(variant_name, 'lcov-report')
create_dir_command = "rm -rf " + lcov_report_dir
create_dir_command += " && mkdir " + lcov_report_dir + ";"
if subprocess.Popen(create_dir_command, shell=True).wait():
raise SystemExit(1)
info_file = os.path.join(lcov_report_dir, variant_name + '.info')
lcov_command = "../utils/lcov/lcov -c -d . -o " + info_file
lcov_command += " --source-dirs=" + os.getcwd()
lcov_command += ":" + os.path.join(
os.getcwd(), variant_name, 'include')
if subprocess.Popen(lcov_command, shell=True).wait():
raise SystemExit(1)
genhtml_command = "../utils/lcov/genhtml -o " + lcov_report_dir
genhtml_command += " " + info_file
if subprocess.Popen(genhtml_command, shell=True).wait():
raise SystemExit(1)
finally:
os.chdir("..")