def port_config_set(controller, port_no, config, mask):
"""
Set the port configuration according the given parameters
Gets the switch feature configuration and updates one port's
configuration value according to config and mask
"""
logging.info("Setting port " + str(port_no) + " to config " + str(config))
request = ofp.message.features_request()
reply, pkt = controller.transact(request)
if reply is None:
return -1
logging.debug(reply.show())
p = None
for idx in range(len(reply.ports)):
if reply.ports[idx].port_no == port_no:
p = reply.ports[idx]
break
mod = ofp.message.port_mod()
mod.port_no = port_no
if p:
mod.hw_addr = p.hw_addr
mod.config = config
mod.mask = mask
if p:
mod.advertise = p.advertised
controller.message_send(mod)
return 0
def port_config_set(controller, port_no, config, mask, logger):
"""
Set the port configuration according the given parameters
Gets the switch feature configuration and updates one port's
configuration value according to config and mask
"""
logger.info("Setting port " + str(port_no) + " to config " + str(config))
request = message.features_request()
reply, pkt = controller.transact(request, timeout=2)
if reply is None:
return -1
logger.debug(reply.show())
for idx in range(len(reply.ports)):
if reply.ports[idx].port_no == port_no:
break
if idx >= len(reply.ports):
return -1
mod = message.port_mod()
mod.port_no = port_no
mod.hw_addr = reply.ports[idx].hw_addr
mod.config = config
mod.mask = mask
mod.advertise = reply.ports[idx].advertised
rv = controller.message_send(mod)
return rv
def port_config_set(controller, port_no, config, mask):
"""
Set the port configuration according the given parameters
Gets the switch feature configuration and updates one port's
configuration value according to config and mask
"""
logging.info("Setting port " + str(port_no) + " to config " + str(config))
request = of10.message.features_request()
reply, pkt = controller.transact(request)
if reply is None:
return -1
logging.debug(reply.show())
p = None
for idx in range(len(reply.ports)):
if reply.ports[idx].port_no == port_no:
p = reply.ports[idx]
break
mod = of10.message.port_mod()
mod.port_no = port_no
if p:
mod.hw_addr = p.hw_addr
mod.config = config
mod.mask = mask
if p:
mod.advertise = p.advertised
controller.message_send(mod)
return 0
def GetGenerationID(controller):
'''
read current generation id
'''
request = message.role_request()
request.role = ofp.OFPCR_ROLE_NOCHANGE
response, _ = controller.transact(request)
if response is None:
return None
elif (response.header.type == ofp.OFPT_ROLE_REPLY):
if response.generation_id == 0xffffffffffffffff:
return 0
else:
return response.generation_id + 1
else:
print('\n' + response.show())
return None
def GetGenerationID(controller):
'''
read current generation id
'''
request = message.role_request()
request.role = ofp.OFPCR_ROLE_NOCHANGE
response,_ = controller.transact(request)
if response is None:
return None
elif(response.header.type == ofp.OFPT_ROLE_REPLY):
if response.generation_id == 0xffffffffffffffff:
return 0
else:
return response.generation_id + 1
else:
print('\n' + response.show())
return None
def port_config_get(controller, port_no):
"""
Get a port's configuration
Gets the switch feature configuration and grabs one port's
configuration
@returns (hwaddr, config, advert) The hwaddress, configuration and
advertised values
"""
request = message.features_request()
reply, pkt = controller.transact(request)
logging.debug(reply.show())
if reply is None:
logging.warn("Get feature request failed")
return None, None, None
for idx in range(len(reply.ports)):
if reply.ports[idx].port_no == port_no:
return (reply.ports[idx].hw_addr, reply.ports[idx].config, reply.ports[idx].advertised)
logging.warn("Did not find port number for port config")
return None, None, None
def port_config_get(controller, port_no):
"""
Get a port's configuration
Gets the switch feature configuration and grabs one port's
configuration
@returns (hwaddr, config, advert) The hwaddress, configuration and
advertised values
"""
request = ofp.message.features_request()
reply, pkt = controller.transact(request)
logging.debug(reply.show())
if reply is None:
logging.warn("Get feature request failed")
return None, None, None
for idx in range(len(reply.ports)):
if reply.ports[idx].port_no == port_no:
return (reply.ports[idx].hw_addr, reply.ports[idx].config,
reply.ports[idx].advertised)
logging.warn("Did not find port number for port config")
return None, None, None
