def run_instruction(self, switch, inst, packet):
"""
Private function to execute one instruction on a packet.
Need switch for immeidate apply
"""
if inst.__class__ == instruction.instruction_goto_table:
if inst.table_id >= self.n_tables:
self.logger.error("Bad goto table %d" % inst.table_id)
else:
return inst.table_id
elif inst.__class__ == instruction.instruction_write_actions:
for action in inst.actions:
packet.write_action(action)
elif inst.__class__ == instruction.instruction_apply_actions:
execute_actions(switch, packet, inst.actions)
elif inst.__class__ == instruction.instruction_experimenter:
self.logger.error("Got experimenter instruction")
elif inst.__class__ == instruction.instruction_write_metadata:
packet.set_metadata(inst.metadata, inst.metadata_mask)
elif inst.__class__ == instruction.instruction_clear_actions:
packet.clear_actions()
else:
self.logger.error("Bad instruction")
return None
def run_instruction(self, switch, inst, packet):
"""
Private function to execute one instruction on a packet.
Need switch for immeidate apply
"""
if inst.__class__ == instruction.instruction_goto_table:
if inst.table_id >= self.n_tables:
self.logger.error("Bad goto table %d" % inst.table_id)
else:
return inst.table_id
elif inst.__class__ == instruction.instruction_write_actions:
for action in inst.actions:
packet.write_action(action)
elif inst.__class__ == instruction.instruction_apply_actions:
execute_actions(switch, packet, inst.actions)
elif inst.__class__ == instruction.instruction_experimenter:
self.logger.error("Got experimenter instruction")
elif inst.__class__ == instruction.instruction_write_metadata:
packet.set_metadata(inst.metadata, inst.metadata_mask)
elif inst.__class__ == instruction.instruction_clear_actions:
packet.clear_actions()
else:
self.logger.error("Bad instruction")
return None
def packet_out(switch, msg, rawmsg):
"""
Process a packet_out message from the controller
@param switch The main switch object
@param msg The parsed message object of type packet_out
@param rawmsg The actual packet received as a string
"""
switch.logger.debug("Received packet_out from controller")
packet = Packet(in_port=msg.in_port, data=msg.data)
switch.logger.debug("Executing action list")
print msg.actions.show()
execute_actions(switch, packet, msg.actions)
def packet_out(switch, msg, rawmsg):
"""
Process a packet_out message from the controller
@param switch The main switch object
@param msg The parsed message object of type packet_out
@param rawmsg The actual packet received as a string
"""
switch.logger.debug("Received packet_out from controller")
packet = Packet(in_port=msg.in_port, data=msg.data)
switch.logger.debug("Executing action list")
print msg.actions.show()
execute_actions(switch, packet, msg.actions)