def sendpfast(x, pps=None, mbps=None, realtime=None, loop=0, iface=None):
"""Send packets at layer 2 using tcpreplay for performance
pps: packets per second
mpbs: MBits per second
realtime: use packet's timestamp, bending time with realtime value
loop: number of times to process the packet list
iface: output interface """
if iface is None:
iface = conf.iface
argv = [conf.prog.tcpreplay, "--intf1=%s" % iface ]
if pps is not None:
argv.append("--pps=%i" % pps)
elif mbps is not None:
argv.append("--mbps=%i" % mbps)
elif realtime is not None:
argv.append("--multiplier=%i" % realtime)
else:
argv.append("--topspeed")
if loop:
argv.append("--loop=%i" % loop)
f = get_temp_file()
argv.append(f)
wrpcap(f, x)
try:
subprocess.check_call(argv)
except KeyboardInterrupt:
log_interactive.info("Interrupted by user")
except Exception,e:
log_interactive.error("while trying to exec [%s]: %s" % (argv[0],e))
def sendpfast(x, pps=None, mbps=None, realtime=None, loop=0, file_cache=False, iface=None, additional_options=None):
"""Send packets at layer 2 using tcpreplay for performance
pps: packets per second
mpbs: MBits per second
realtime: use packet's timestamp, bending time with realtime value
loop: number of times to process the packet list
file_cache: cache packets in RAM instead of reading from disk at each iteration
iface: output interface
additional_options: other commandline options, e.g. '--timer=gtod --preload-pcap'"""
if iface is None:
iface = conf.iface
argv = [conf.prog.tcpreplay, "--intf1=%s" % iface ]
if pps is not None:
argv.append("--pps=%i" % pps)
elif mbps is not None:
argv.append("--mbps=%i" % mbps)
elif realtime is not None:
argv.append("--multiplier=%i" % realtime)
else:
argv.append("--topspeed")
if loop:
argv.append("--loop=%i" % loop)
if file_cache:
argv.append("--enable-file-cache")
if additional_options is not None:
argv.extend(additional_options.split())
f = get_temp_file()
argv.append(f)
wrpcap(f, x)
try:
subprocess.check_call(argv)
except KeyboardInterrupt:
log_interactive.info("Interrupted by user")
except Exception,e:
log_interactive.error("while trying to exec [%s]: %s" % (argv[0],e))