diff options
Diffstat (limited to 'scripts/automation/trex_control_plane/python_lib/dpkt-1.8.6.2/dpkt/llc.py')
| -rw-r--r-- | scripts/automation/trex_control_plane/python_lib/dpkt-1.8.6.2/dpkt/llc.py | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/scripts/automation/trex_control_plane/python_lib/dpkt-1.8.6.2/dpkt/llc.py b/scripts/automation/trex_control_plane/python_lib/dpkt-1.8.6.2/dpkt/llc.py deleted file mode 100644 index ce7429f6..00000000 --- a/scripts/automation/trex_control_plane/python_lib/dpkt-1.8.6.2/dpkt/llc.py +++ /dev/null @@ -1,56 +0,0 @@ -# -*- coding: utf-8 -*- - -import struct -import dpkt -import stp -import ethernet - - -class LLC(dpkt.Packet): - _typesw = {} - - def _unpack_data(self, buf): - if self.type == ethernet.ETH_TYPE_8021Q: - self.tag, self.type = struct.unpack('>HH', buf[:4]) - buf = buf[4:] - elif self.type == ethernet.ETH_TYPE_MPLS or self.type == ethernet.ETH_TYPE_MPLS_MCAST: - # XXX - skip labels - for i in range(24): - if struct.unpack('>I', buf[i:i + 4])[0] & 0x0100: # MPLS_STACK_BOTTOM - break - self.type = ethernet.ETH_TYPE_IP - buf = buf[(i + 1) * 4:] - try: - self.data = self._typesw[self.type](buf) - setattr(self, self.data.__class__.__name__.lower(), self.data) - except (KeyError, dpkt.UnpackError): - self.data = buf - - def unpack(self, buf): - self.data = buf - if self.data.startswith('\xaa\xaa'): - # SNAP - self.type = struct.unpack('>H', self.data[6:8])[0] - self._unpack_data(self.data[8:]) - else: - # non-SNAP - dsap = ord(self.data[0]) - if dsap == 0x06: # SAP_IP - self.data = self.ip = self._typesw[ethernet.ETH_TYPE_IP](self.data[3:]) - elif dsap == 0x10 or dsap == 0xe0: # SAP_NETWARE{1,2} - self.data = self.ipx = self._typesw[ethernet.ETH_TYPE_IPX](self.data[3:]) - elif dsap == 0x42: # SAP_STP - self.data = self.stp = stp.STP(self.data[3:]) - - -def test_llc(): - s = '\xaa\xaa\x03\x00\x00\x00\x08\x00\x45\x00\x00\x28\x07\x27\x40\x00\x80\x06\x1d\x39\x8d\xd4\x37\x3d\x3f\xf5\xd1\x69\xc0\x5f\x01\xbb\xb2\xd6\xef\x23\x38\x2b\x4f\x08\x50\x10\x42\x04\xac\x17\x00\x00' - import ip - llc_pkt = LLC(s) - ip_pkt = ip.IP(llc_pkt.data) - assert (llc_pkt.type == ethernet.ETH_TYPE_IP) - assert (ip_pkt.dst == '\x3f\xf5\xd1\x69') - -if __name__ == '__main__': - test_llc() - print 'Tests Successful...'
\ No newline at end of file |