def register_for_packet_match(self, handler, priority, expr):
"""\brief Register a handler for every packet in event matching
the passed in expression.
The handler will be called with:
handler(dpid, in_port, reason, total_frame_len, buffer_id, captured_data)
\note For an explanation of these arguments, see the documentation for
\note register_for_packet_in. In this case, 'buffer_id' == None if the
\note datapath does not have a buffer for the frame.
@param handler the handler function
@param priority the priority the installed classifier rule should have
@param expr the flow match as a dictionary (see comment above).
"""
e = Packet_expr()
for key, val in expr.items():
if key == AP_SRC:
field = Packet_expr.AP_SRC
val = htons(val)
elif key == AP_DST:
field = Packet_expr.AP_DST
val = htons(val)
elif key == DL_VLAN:
field = Packet_expr.DL_VLAN
val = htons(val)
elif key == DL_VLAN_PCP:
field = Packet_expr.DL_VLAN_PCP
val = val
elif key == DL_TYPE:
field = Packet_expr.DL_TYPE
val = htons(val)
elif key == DL_SRC:
field = Packet_expr.DL_SRC
val = convert_to_eaddr(val)
if val == None:
raise RuntimeError('invalid ethernet addr')
elif key == DL_DST:
field = Packet_expr.DL_DST
val = convert_to_eaddr(val)
if val == None:
raise RuntimeError('invalid ethernet addr')
elif key == NW_SRC:
field = Packet_expr.NW_SRC
val = convert_to_ipaddr(val)
if val == None:
raise RuntimeError('invalid ip addr')
elif key == NW_DST:
field = Packet_expr.NW_DST
val = convert_to_ipaddr(val)
if val == None:
raise RuntimeError('invalid ip addr')
elif key == NW_PROTO:
field = Packet_expr.NW_PROTO
elif key == TP_SRC:
field = Packet_expr.TP_SRC
val = htons(val)
elif key == TP_DST:
field = Packet_expr.TP_DST
val = htons(val)
elif key == GROUP_SRC:
field = Packet_expr.GROUP_SRC
val = htonl(val)
elif key == GROUP_DST:
field = Packet_expr.GROUP_DST
val = htonl(val)
else:
raise RuntimeError('invalid key: %s' % (key,))
if isinstance(val, ethernetaddr):
e.set_eth_field(field, val)
else:
# check for max?
if val > UINT32_MAX:
raise RuntimeError('value %u exceeds accepted range:' % (val, ))
e.set_uint32_field(field, val)
return self.ctxt.register_handler_on_match(gen_packet_in_callback(handler), priority, e)
def register_for_packet_match(self, handler, priority, expr):
"""\brief Register a handler for every packet in event matching
the passed in expression.
The handler will be called with:
handler(dpid, in_port, reason, total_frame_len, buffer_id, captured_data)
\note For an explanation of these arguments, see the documentation for
\note register_for_packet_in. In this case, 'buffer_id' == None if the
\note datapath does not have a buffer for the frame.
@param handler the handler function
@param priority the priority the installed classifier rule should have
@param expr the flow match as a dictionary (see comment above).
"""
e = Packet_expr()
for key, val in expr.items():
if key == AP_SRC:
field = Packet_expr.AP_SRC
val = htons(val)
elif key == AP_DST:
field = Packet_expr.AP_DST
val = htons(val)
elif key == DL_VLAN:
field = Packet_expr.DL_VLAN
val = htons(val)
elif key == DL_VLAN_PCP:
field = Packet_expr.DL_VLAN_PCP
val = val
elif key == DL_TYPE:
field = Packet_expr.DL_TYPE
val = htons(val)
elif key == DL_SRC:
field = Packet_expr.DL_SRC
val = convert_to_eaddr(val)
if val == None:
raise RuntimeError('invalid ethernet addr')
elif key == DL_DST:
field = Packet_expr.DL_DST
val = convert_to_eaddr(val)
if val == None:
raise RuntimeError('invalid ethernet addr')
elif key == NW_SRC:
field = Packet_expr.NW_SRC
val = convert_to_ipaddr(val)
if val == None:
raise RuntimeError('invalid ip addr')
elif key == NW_DST:
field = Packet_expr.NW_DST
val = convert_to_ipaddr(val)
if val == None:
raise RuntimeError('invalid ip addr')
elif key == NW_PROTO:
field = Packet_expr.NW_PROTO
elif key == TP_SRC:
field = Packet_expr.TP_SRC
val = htons(val)
elif key == TP_DST:
field = Packet_expr.TP_DST
val = htons(val)
elif key == GROUP_SRC:
field = Packet_expr.GROUP_SRC
val = htonl(val)
elif key == GROUP_DST:
field = Packet_expr.GROUP_DST
val = htonl(val)
else:
raise RuntimeError('invalid key: %s' % (key, ))
if isinstance(val, ethernetaddr):
e.set_eth_field(field, val)
else:
# check for max?
if val > UINT32_MAX:
raise RuntimeError('value %u exceeds accepted range:' %
(val, ))
e.set_uint32_field(field, val)
return self.ctxt.register_handler_on_match(
gen_packet_in_callback(handler), priority, e)
def register_for_packet_match(self, handler, priority, expr):
e = Packet_expr()
for key, val in expr.items():
if key == AP_SRC:
field = Packet_expr.AP_SRC
val = htons(val)
elif key == AP_DST:
field = Packet_expr.AP_DST
val = htons(val)
elif key == DL_VLAN:
field = Packet_expr.DL_VLAN
val = htons(val)
elif key == DL_VLAN_PCP:
field = Packet_expr.DL_VLAN_PCP
val = val
elif key == DL_TYPE:
field = Packet_expr.DL_TYPE
val = htons(val)
elif key == DL_SRC:
field = Packet_expr.DL_SRC
val = convert_to_eaddr(val)
if val == None:
print 'invalid ethernet addr'
return False
elif key == DL_DST:
field = Packet_expr.DL_DST
val = convert_to_eaddr(val)
if val == None:
print 'invalid ethernet addr'
return False
elif key == NW_SRC:
field = Packet_expr.NW_SRC
val = convert_to_ipaddr(val)
if val == None:
print 'invalid ip addr'
return False
elif key == NW_DST:
field = Packet_expr.NW_DST
val = convert_to_ipaddr(val)
if val == None:
print 'invalid ip addr'
return False
elif key == NW_PROTO:
field = Packet_expr.NW_PROTO
elif key == TP_SRC:
field = Packet_expr.TP_SRC
val = htons(val)
elif key == TP_DST:
field = Packet_expr.TP_DST
val = htons(val)
elif key == GROUP_SRC:
field = Packet_expr.GROUP_SRC
val = htonl(val)
elif key == GROUP_DST:
field = Packet_expr.GROUP_DST
val = htonl(val)
else:
print 'invalid key', key
return False
if isinstance(val, ethernetaddr):
e.set_eth_field(field, val)
else:
# check for max?
if val > UINT32_MAX:
print 'value %u exceeds accepted range', val
return False
e.set_uint32_field(field, val)
return self.ctxt.register_handler_on_match(gen_packet_in_cb(handler), priority, e)
def register_for_packet_match(self, handler, priority, expr):
e = Packet_expr()
for key, val in expr.items():
if key == AP_SRC:
field = Packet_expr.AP_SRC
val = htons(val)
elif key == AP_DST:
field = Packet_expr.AP_DST
val = htons(val)
elif key == DL_VLAN:
field = Packet_expr.DL_VLAN
val = htons(val)
elif key == DL_VLAN_PCP:
field = Packet_expr.DL_VLAN_PCP
val = val
elif key == DL_TYPE:
field = Packet_expr.DL_TYPE
val = htons(val)
elif key == DL_SRC:
field = Packet_expr.DL_SRC
val = convert_to_eaddr(val)
if val == None:
print 'invalid ethernet addr'
return False
elif key == DL_DST:
field = Packet_expr.DL_DST
val = convert_to_eaddr(val)
if val == None:
print 'invalid ethernet addr'
return False
elif key == NW_SRC:
field = Packet_expr.NW_SRC
val = convert_to_ipaddr(val)
if val == None:
print 'invalid ip addr'
return False
elif key == NW_DST:
field = Packet_expr.NW_DST
val = convert_to_ipaddr(val)
if val == None:
print 'invalid ip addr'
return False
elif key == NW_PROTO:
field = Packet_expr.NW_PROTO
elif key == TP_SRC:
field = Packet_expr.TP_SRC
val = htons(val)
elif key == TP_DST:
field = Packet_expr.TP_DST
val = htons(val)
elif key == GROUP_SRC:
field = Packet_expr.GROUP_SRC
val = htonl(val)
elif key == GROUP_DST:
field = Packet_expr.GROUP_DST
val = htonl(val)
else:
print 'invalid key', key
return False
if isinstance(val, ethernetaddr):
e.set_eth_field(field, val)
else:
# check for max?
if val > UINT32_MAX:
print 'value %u exceeds accepted range', val
return False
e.set_uint32_field(field, val)
return self.ctxt.register_handler_on_match(gen_packet_in_cb(handler),
priority, e)
