diff options
Diffstat (limited to 'src/plugins/nat/extras/nat_ses_open.py')
-rw-r--r-- | src/plugins/nat/extras/nat_ses_open.py | 83 |
1 files changed, 54 insertions, 29 deletions
diff --git a/src/plugins/nat/extras/nat_ses_open.py b/src/plugins/nat/extras/nat_ses_open.py index d614d4e7356..a267a6b67fb 100644 --- a/src/plugins/nat/extras/nat_ses_open.py +++ b/src/plugins/nat/extras/nat_ses_open.py @@ -1,44 +1,72 @@ from trex_stl_lib.api import * -class STLS1: - def __init__ (self): - self.ip_range = {'local': {'start': "10.0.0.3", 'end': "10.1.255.255"}, - 'external': {'start': "172.16.1.3", 'end': "172.16.1.3"}, - 'remote': {'start': "2.2.0.1", 'end': "2.2.0.1"}} - self.port_range = {'local': {'start': 1025, 'end': 65535}, - 'remote': {'start': 12, 'end': 12}} +class STLS1: + def __init__(self): + self.ip_range = { + "local": {"start": "10.0.0.3", "end": "10.1.255.255"}, + "external": {"start": "172.16.1.3", "end": "172.16.1.3"}, + "remote": {"start": "2.2.0.1", "end": "2.2.0.1"}, + } + self.port_range = { + "local": {"start": 1025, "end": 65535}, + "remote": {"start": 12, "end": 12}, + } - def create_stream (self, vm): - base_pkt = Ether()/IP()/UDP() + def create_stream(self, vm): + base_pkt = Ether() / IP() / UDP() if len(base_pkt) < 64: pad_len = 64 - len(base_pkt) pad = Padding() - pad.load = '\x00' * pad_len - base_pkt = base_pkt/pad - + pad.load = "\x00" * pad_len + base_pkt = base_pkt / pad + pkt = STLPktBuilder(pkt=base_pkt, vm=vm) return STLStream(packet=pkt, mode=STLTXCont()) - def get_streams (self, direction = 0, **kwargs): + def get_streams(self, direction=0, **kwargs): if direction == 0: - ip_src = self.ip_range['remote'] - ip_dst = self.ip_range['external'] - src_port = self.port_range['remote'] - dst_port = self.port_range['local'] + ip_src = self.ip_range["remote"] + ip_dst = self.ip_range["external"] + src_port = self.port_range["remote"] + dst_port = self.port_range["local"] else: - ip_src = self.ip_range['local'] - ip_dst = self.ip_range['remote'] - src_port = self.port_range['local'] - dst_port = self.port_range['remote'] + ip_src = self.ip_range["local"] + ip_dst = self.ip_range["remote"] + src_port = self.port_range["local"] + dst_port = self.port_range["remote"] vm = STLVM() - vm.var(name="ip_src", min_value=ip_src['start'], max_value=ip_src['end'], size=4, op="random") - vm.var(name="ip_dst", min_value=ip_dst['start'], max_value=ip_dst['end'], size=4, op="random") - vm.var(name="src_port", min_value=src_port['start'], max_value=src_port['end'], size=2, op="random") - vm.var(name="dst_port", min_value=dst_port['start'], max_value=dst_port['end'], size=2, op="random") + vm.var( + name="ip_src", + min_value=ip_src["start"], + max_value=ip_src["end"], + size=4, + op="random", + ) + vm.var( + name="ip_dst", + min_value=ip_dst["start"], + max_value=ip_dst["end"], + size=4, + op="random", + ) + vm.var( + name="src_port", + min_value=src_port["start"], + max_value=src_port["end"], + size=2, + op="random", + ) + vm.var( + name="dst_port", + min_value=dst_port["start"], + max_value=dst_port["end"], + size=2, + op="random", + ) vm.write(fv_name="ip_src", pkt_offset="IP.src") vm.write(fv_name="ip_dst", pkt_offset="IP.dst") @@ -47,12 +75,9 @@ class STLS1: vm.fix_chksum() - return [ self.create_stream(vm) ] + return [self.create_stream(vm)] # dynamic load - used for trex console or simulator def register(): return STLS1() - - - |