diff options
| -rwxr-xr-x | host/apps/usrp2_recovery.py | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/host/apps/usrp2_recovery.py b/host/apps/usrp2_recovery.py index 00d231cdb..48c1121cb 100755 --- a/host/apps/usrp2_recovery.py +++ b/host/apps/usrp2_recovery.py @@ -26,18 +26,18 @@ def mac_addr_repr_to_binary_string(mac_addr): return ''.join(map(lambda x: chr(int(x, 16)), mac_addr.split(':'))) if __name__ == '__main__': - parser = optparse.OptionParser() + parser = optparse.OptionParser(usage='usage: %prog [options]\n'+__doc__) parser.add_option('--ifc', type='string', help='ethernet interface name [default=%default]', default='eth0') parser.add_option('--new-ip', type='string', help='ip address to set [default=%default]', default='192.168.10.2') (options, args) = parser.parse_args() #create the raw socket - print "Opening raw socket on interface: ", options.ifc + print "Opening raw socket on interface:", options.ifc soc = socket.socket(socket.PF_PACKET, socket.SOCK_RAW) soc.bind((options.ifc, RECOVERY_ETHERTYPE)) #create the recovery packet - print "Loading packet with new ip address: ", options.new_ip + print "Loading packet with ip address:", options.new_ip packet = struct.pack( '!6s6sH4s4s', mac_addr_repr_to_binary_string(BCAST_MAC_ADDR), @@ -46,5 +46,7 @@ if __name__ == '__main__': IP_RECOVERY_CODE, socket.inet_aton(options.new_ip), ) + + print "Sending packet (%d bytes)"%len(packet) soc.send(packet) print "Done" |