def sniff(what, interface='any', count=1, timeout=60, is_save=False,
is_remote=False):
"""Executes tcpdump and collects some info depending on argument 'what'
For example for SNIFF_RADVD one would expect something like
{'what': 'icmp6', 'count': 3,
'advertisement': {'count': 2, 'prefixes': ['feee::/64', None]}
'solicitation': {'count': 1, 'prefixes': ['feee::/64']}
}
If run with is_remote to be True, that just compile string representing
the commmand to be run by external ssh client.
In this case, one needs to call sniff_analyzer by hands
"""
import tempfile
from tempest.common import commands
cmd = 'tcpdump -vv -n -t -i {i} -c {c} {what}'.format(i=interface,
what=what,
c=count)
if timeout:
cmd = 'timeout -s SIGINT {0} '.format(timeout) + cmd
if is_remote:
return cmd
if is_save:
tmp_file_path = tempfile.mktemp('_out.tcpdump')
commands.sudo_cmd_call(cmd=cmd + ' -w {0}'.format(tmp_file_path))
return 'Check ' + tmp_file_path
result = {'what': what, 'count': int(count)}
capture = commands.sudo_cmd_call(cmd=cmd)
result.update(sniff_analyzer(what=what, capture=capture))
return result
def sniff(what,
interface='any',
count=1,
timeout=60,
is_save=False,
is_remote=False):
"""Executes tcpdump and collects some info depending on argument 'what'
For example for SNIFF_RADVD one would expect something like
{'what': 'icmp6', 'count': 3,
'advertisement': {'count': 2, 'prefixes': ['feee::/64', None]}
'solicitation': {'count': 1, 'prefixes': ['feee::/64']}
}
If run with is_remote to be True, that just compile string representing
the commmand to be run by external ssh client.
In this case, one needs to call sniff_analyzer by hands
"""
import tempfile
from tempest.common import commands
cmd = 'tcpdump -vv -n -t -i {i} -c {c} {what}'.format(i=interface,
what=what,
c=count)
if timeout:
cmd = 'timeout -s SIGINT {0} '.format(timeout) + cmd
if is_remote:
return cmd
if is_save:
tmp_file_path = tempfile.mktemp('_out.tcpdump')
commands.sudo_cmd_call(cmd=cmd + ' -w {0}'.format(tmp_file_path))
return 'Check ' + tmp_file_path
result = {'what': what, 'count': int(count)}
capture = commands.sudo_cmd_call(cmd=cmd)
result.update(sniff_analyzer(what=what, capture=capture))
return result
def radvd_start_on(iface, prefix):
from tempest.common import commands
conf_abs_path = radvd_create_config(iface=iface, prefix=prefix)
commands.sudo_cmd_call('radvd -C {conf} -p {pid}'.format(
conf=conf_abs_path, pid=conf_abs_path.replace('.conf', '.pid')))