def _unpack_nx_vendor (raw, offset):
from pox.lib.util import hexdump
v = _unpack("!L", raw, offset + 8)[1][0]
if v != NX_VENDOR_ID:
return _old_unpacker(raw, offset)
subtype = _unpack("!L", raw, offset+8+4)[1][0]
if subtype == NXT_PACKET_IN:
npi = nxt_packet_in()
return npi.unpack(raw, offset)[0], npi
else:
print "NO UNPACKER FOR",subtype
return _old_unpacker(raw, offset)
def unpack (self, raw, offset=0):
_o = offset
offset,length = self._unpack_header(raw, offset)
offset,(vendor,subtype) = _unpack("!LL", raw, offset)
offset,(self.cookie, self.command, self.idle_timeout,
self.hard_timeout, self.priority, self._buffer_id,
self.out_port, self.flags, match_len) = \
_unpack("!QHHHHLHHH", raw, offset)
offset = self._skip(raw, offset, 6)
offset = self.match.unpack(raw, offset, match_len)
offset,self.actions = of._unpack_actions(raw,
length-(offset - _o), offset)
assert length == len(self)
return offset,length
def _unpack_body(self, raw, offset, avail):
offset, (self.subtype, host, sw) = of._unpack('!HHI', raw, offset)
offset = of._skip(raw, offset, 8)
self.fd = VidAddr(sw, host)
return offset
def _unpack_body (self, raw, offset, avail):
"""
Unpack body in raw starting at offset.
Return new offset
"""
offset,self.format = of._unpack("!L", raw, offset)
return offset
def _unpack_body (self, raw, offset, avail):
offset,(self.subtype,self.nbits, self.src_ofs, self.dst_ofs, src, dst) = \
of._unpack('!HHHH4s4s', raw, offset)
self.dst = _class_for_nxm_header(dst)
self.src = _class_for_nxm_header(src)
return offset
def _unpack_body (self, raw, offset, avail):
"""
Unpack body in raw starting at offset.
Return new offset
"""
offset,enable = of._unpack("!B", raw, offset)
offset = of._skip(raw, offset, 7)
self.enable = True if enable else False
return offset
def unpack (self, raw, offset=0):
_offset = offset
offset,length = self._unpack_header(raw, offset)
offset,(vendor,subtype) = _unpack("!LL", raw, offset)
assert subtype == self.subtype
#print "vendor %08x subtype %i" % (vendor,subtype)
offset,(self._buffer_id, self._total_len, self.reason, self.table_id,
self.cookie, match_len) = _unpack("!LHBBQH", raw, offset)
offset = _skip(raw, offset, 6)
self.match = None
offset = self.match.unpack(raw, offset, match_len)
offset = _skip(raw, offset, (match_len + 7)//8*8 - match_len)
offset = _skip(raw, offset, 2)
offset,self.data = _read(raw, offset, length-(offset-_offset))
assert length == len(self)
return offset,length
def _unpack_body (self, raw, offset, avail):
offset,(self.subtype,ofs_nbits, dst, self.value) = \
of._unpack('!HH4sQ', raw, offset)
self.offset = ofs_nbits >> 6
self.nbits = (ofs_nbits & 0x3f) + 1
self.dst = _class_for_nxm_header(dst)
return offset
def _unpack_body (self, raw, offset, avail):
offset,(self.subtype, ofs_nbits, reg, self.max_len, _, _) = \
of._unpack('!HH4sHHI', raw, offset)
self.offset = ofs_nbits >> 6
self.nbits = (ofs_nbits & 0x3f) + 1
self.reg = _class_for_nxm_header(reg)
return offset
def _unpack_body (self, raw, offset, avail):
offset,(self.subtype,ofs_nbits, dst, self.value) = \
of._unpack('!HH4sQ', raw, offset)
self.offset = ofs_nbits >> 6
self.nbits = (ofs_nbits & 0x3f) + 1
_,dst = nxm_entry.unpack_new(dst, 0)
self.dst = dst.__class__
return offset
def unpack (self, raw, offset=0):
offset,length = self._unpack_header(raw, offset)
offset = self.match.unpack(raw, offset, flow_mod=True)
offset,(self.cookie, self._command, self.idle_timeout,
self.hard_timeout, self.priority, self._buffer_id,
self.out_port, self.flags) = \
_unpack("!QHHHHLHH", raw, offset)
offset,self.actions = _unpack_actions(raw,
length-(32 + len(self.match)), offset)
assert length == len(self)
return offset,length
def _unpack_body (self, raw, offset, avail):
offset,(self.subtype,) = \
of._unpack('!H', raw, offset)
offset = of._skip(raw, offset, 6)
return offset
def _unpack_body (self, raw, offset, avail):
offset,(self.subtype,self.fin_idle_timeout,self.fin_hard_timeout) = \
of._unpack('!HHH', raw, offset)
offset = of._skip(raw, offset, 2)
return offset
def _unpack_body (self, raw, offset, avail):
offset,(self.subtype,self.in_port,self.table) = \
of._unpack('!HHB', raw, offset)
offset = of._skip(raw, offset, 3)
return offset
def unpack (self, raw, offset=0):
offset,length = self._unpack_header(raw, offset)
offset,(self.vendor,self.subtype) = _unpack("!LL", raw, offset)
offset = self._unpack_body(raw, offset, length-16)
return offset,length
def _unpack_body(self, raw, offset, avail):
offset, (self.subtype, ) = of._unpack('!H', raw, offset)
offset = of._skip(raw, offset, 8)
return offset
