X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=resources%2Ftraffic_scripts%2Fipv4_ping_ttl_check.py;h=54b6aa1ef5105ae3afb7bf182d39a3c33b6ea345;hp=1286b468769c1e7a2ade7143469f86eff0cba543;hb=8f285166faf13156a4f7c70adac9a7e20549268f;hpb=b92a827b1c7f48da4214e992e5503ebe1c182416 diff --git a/resources/traffic_scripts/ipv4_ping_ttl_check.py b/resources/traffic_scripts/ipv4_ping_ttl_check.py index 1286b46876..54b6aa1ef5 100755 --- a/resources/traffic_scripts/ipv4_ping_ttl_check.py +++ b/resources/traffic_scripts/ipv4_ping_ttl_check.py @@ -16,7 +16,7 @@ from scapy.all import Ether, IP, ICMP from resources.libraries.python.PacketVerifier \ import Interface, create_gratuitous_arp_request, auto_pad -from optparse import OptionParser +from resources.libraries.python.TrafficScriptArg import TrafficScriptArg def check_ttl(ttl_begin, ttl_end, ttl_diff): @@ -30,8 +30,8 @@ def check_ttl(ttl_begin, ttl_end, ttl_diff): def ckeck_packets_equal(pkt_send, pkt_recv): - pkt_send_raw = str(pkt_send) - pkt_recv_raw = str(pkt_recv) + pkt_send_raw = auto_pad(pkt_send) + pkt_recv_raw = auto_pad(pkt_recv) if pkt_send_raw != pkt_recv_raw: print "Sent: {}".format(pkt_send_raw.encode('hex')) print "Received: {}".format(pkt_recv_raw.encode('hex')) @@ -45,47 +45,39 @@ def ckeck_packets_equal(pkt_send, pkt_recv): raise Exception("Sent packet doesn't match received packet") -parser = OptionParser() -parser.add_option("--src_if", dest="src_if") -parser.add_option("--dst_if", dest="dst_if") # optional -parser.add_option("--src_mac", dest="src_mac") -parser.add_option("--first_hop_mac", dest="first_hop_mac") -parser.add_option("--dst_mac", dest="dst_mac") # optional -parser.add_option("--src_ip", dest="src_ip") -parser.add_option("--dst_ip", dest="dst_ip") -parser.add_option("--hops", dest="hops") # optional -# If one of 'dst_if', 'dst_mac' and 'hops' is specified all must be specified. -(opts, args) = parser.parse_args() -src_if_name = opts.src_if -dst_if_name = opts.dst_if -dst_if_defined = True -if dst_if_name is None: - dst_if_defined = False -src_mac = opts.src_mac -first_hop_mac = opts.first_hop_mac -dst_mac = opts.dst_mac -src_ip = opts.src_ip -dst_ip = opts.dst_ip -hops = int(opts.hops) +args = TrafficScriptArg(['src_mac', 'dst_mac', 'src_ip', 'dst_ip', + 'hops', 'first_hop_mac', 'is_dst_defined']) + +src_if_name = args.get_arg('tx_if') +dst_if_name = args.get_arg('rx_if') +dst_if_defined = True if args.get_arg('is_dst_defined') == 'True' else False + +src_mac = args.get_arg('src_mac') +first_hop_mac = args.get_arg('first_hop_mac') +dst_mac = args.get_arg('dst_mac') +src_ip = args.get_arg('src_ip') +dst_ip = args.get_arg('dst_ip') +hops = int(args.get_arg('hops')) if dst_if_defined and (src_if_name == dst_if_name): raise Exception("Source interface name equals destination interface name") src_if = Interface(src_if_name) -src_if.send_pkt(create_gratuitous_arp_request(src_mac, src_ip)) +src_if.send_pkt(str(create_gratuitous_arp_request(src_mac, src_ip))) if dst_if_defined: dst_if = Interface(dst_if_name) - dst_if.send_pkt(create_gratuitous_arp_request(dst_mac, dst_ip)) + dst_if.send_pkt(str(create_gratuitous_arp_request(dst_mac, dst_ip))) -pkt_req_send = auto_pad(Ether(src=src_mac, dst=first_hop_mac) / - IP(src=src_ip, dst=dst_ip) / - ICMP()) -pkt_req_send = Ether(pkt_req_send) +pkt_req_send = (Ether(src=src_mac, dst=first_hop_mac) / + IP(src=src_ip, dst=dst_ip) / + ICMP()) src_if.send_pkt(pkt_req_send) if dst_if_defined: try: pkt_req_recv = dst_if.recv_pkt() + if pkt_req_recv is None: + raise Exception('Timeout waiting for packet') except: src_if.close() if dst_if_defined: @@ -98,14 +90,15 @@ if dst_if_defined: del pkt_req_send_mod[IP].chksum # update checksum ckeck_packets_equal(pkt_req_send_mod[IP], pkt_req_recv[IP]) - pkt_resp_send = auto_pad(Ether(src=dst_mac, dst=pkt_req_recv.src) / - IP(src=dst_ip, dst=src_ip) / - ICMP(type=0)) # echo-reply - pkt_resp_send = Ether(pkt_resp_send) + pkt_resp_send = (Ether(src=dst_mac, dst=pkt_req_recv.src) / + IP(src=dst_ip, dst=src_ip) / + ICMP(type=0)) # echo-reply dst_if.send_pkt(pkt_resp_send) try: pkt_resp_recv = src_if.recv_pkt() + if pkt_resp_recv is None: + raise Exception('Timeout waiting for packet') except: src_if.close() if dst_if_defined: