def init_pipe(counter='1',
source='',
dest='',
rate='',
delay='',
rtt='',
loss='',
queue_size='',
queue_size_mult='1.0',
queue_disc='',
queue_disc_params='',
bidir='0',
attach_to_queue=''):
"Configure pipe on router, including rate shaping, AQM, loss/delay emulation"
# get internal addresses
dummy, source_internal = get_address_pair(source)
dummy, dest_internal = get_address_pair(dest)
# get type of current host
htype = get_type_cached(env.host_string)
if htype == 'FreeBSD':
execute(init_dummynet_pipe, counter, source_internal, dest_internal,
rate, delay, rtt, loss, queue_size, queue_size_mult,
queue_disc, queue_disc_params, bidir)
elif htype == 'Linux':
execute(init_tc_pipe, counter, source_internal, dest_internal, rate,
delay, rtt, loss, queue_size, queue_size_mult, queue_disc,
queue_disc_params, bidir, attach_to_queue)
else:
abort("Router must be running FreeBSD or Linux")
def init_pipe(counter='1', source='', dest='', rate='', delay='', rtt='', loss='',
queue_size='', queue_size_mult='1.0', queue_disc='',
queue_disc_params='', bidir='0', attach_to_queue=''):
"Configure pipe on router, including rate shaping, AQM, loss/delay emulation"
# get internal addresses
dummy, source_internal = get_address_pair(source)
dummy, dest_internal = get_address_pair(dest)
# get type of current host
htype = get_type_cached(env.host_string)
if htype == 'FreeBSD':
execute(
init_dummynet_pipe,
counter,
source_internal,
dest_internal,
rate,
delay,
rtt,
loss,
queue_size,
queue_size_mult,
queue_disc,
queue_disc_params,
bidir)
elif htype == 'Linux':
execute(
init_tc_pipe,
counter,
source_internal,
dest_internal,
rate,
delay,
rtt,
loss,
queue_size,
queue_size_mult,
queue_disc,
queue_disc_params,
bidir,
attach_to_queue)
else:
abort("Router must be running FreeBSD or Linux")
def start_custom_logger(file_prefix='', remote_dir='', local_dir='', name='', logname='UNKNOWN', directory='', copy_file='0', add_prefix='0', hostname='', parameters=''):
hostn, host_internal = get_address_pair(hostname)
execute(start_custom_logger_local, file_prefix, remote_dir, local_dir,
name, logname, directory, copy_file, add_prefix, parameters,
hosts=[hostn])
def get_address_pair_analysis(test_id, host, do_abort='1'):
global host_internal_ip_cache
global host_list_cache
internal = ''
external = ''
TMP_CONF_FILE = '___oldconfig.py'
# XXX the whole old config access should be moved into separate module as
# similar code is also in clockoffset
# prior to TEACUP version 0.9 it was required to run the analysis with a config
# file that had config.TPCONF_host_internal_ip as it was used to run the experiment
# (or a superset of it). Since version 0.9 we use config.TPCONF_host_internal_ip
# (as well as config.TPCONF_hosts and config.TPCONF_router) from the file
# <test_id_prefix>_tpconf_vars.log.gz in the test experiment directory.
if test_id not in host_internal_ip_cache:
# first find the directory but looking for mandatory uname file
uname_file = get_testid_file_list('', test_id,
'uname.log.gz', '')
dir_name = os.path.dirname(uname_file[0])
if dir_name in host_internal_ip_cache:
# create test id cache entry from directory entry
host_internal_ip_cache[test_id] = host_internal_ip_cache[dir_name]
if host_internal_ip_cache[test_id] != None:
host_list_cache[test_id] = host_list_cache[dir_name]
else:
# try to find old config information
# look for tpconf_vars.log.gz file in that directory
var_file = local('find -L %s -name "*tpconf_vars.log.gz"' % dir_name,
capture=True)
if len(var_file) > 0:
# new approach without using config.py
# unzip archived file
local('gzip -cd %s > %s' % (var_file, TMP_CONF_FILE))
# load the TPCONF_variables into oldconfig
oldconfig = imp.load_source('oldconfig', TMP_CONF_FILE)
# remove temporary unzipped file
try:
os.remove(TMP_CONF_FILE)
os.remove(TMP_CONF_FILE + 'c') # remove the compiled file as well
except OSError:
pass
# store data in cache (both under test id and directory name)
host_internal_ip_cache[test_id] = oldconfig.TPCONF_host_internal_ip
host_list_cache[test_id] = oldconfig.TPCONF_hosts + oldconfig.TPCONF_router
host_internal_ip_cache[dir_name] = oldconfig.TPCONF_host_internal_ip
host_list_cache[dir_name] = oldconfig.TPCONF_hosts + oldconfig.TPCONF_router
else:
# old approach using the functions in hostint.py that access config.py
# store empty value in cache (both under test id and directory name)
host_internal_ip_cache[test_id] = None
host_internal_ip_cache[dir_name] = None
if host_internal_ip_cache[test_id] != None:
# new approach
# pretend it is an external name and perform lookup
internal = host_internal_ip_cache[test_id].get(host, [])
if len(internal) == 0:
# host is internal name, so need to find external name
internal = host
for e, i in host_internal_ip_cache[test_id].items():
if i[0] == host:
external = e
else:
# host is external name
internal = internal[0]
external = host
hosts = host_list_cache[test_id]
else:
# old approach
(external, internal) = get_address_pair(host, do_abort)
hosts = get_part_hosts(test_id)
if external not in hosts:
return ('', '')
else:
return (external, internal)