def __init__ (self, *args, **kw):
SoftwareSwitch.__init__(self, *args, **kw)
self.role_by_conn={}
self.connections = []
self.connection_in_action = None
# index of the next 'other' controller to get a message
# (for round robin of async messages)
self.next_other = 0
# Set of connections to which we have sent hellos. This is used to
# as part of overriding the single-connection logic in the superclass.
self._sent_hellos = set()
def __init__ (self, *args, **kw):
SoftwareSwitch.__init__(self, *args, **kw)
self.role_by_conn={}
self.connections = []
self.connection_in_action = None
# index of the next 'other' controller to get a message
# (for round robin of async messages)
self.next_other = 0
# Set of connections to which we have sent hellos. This is used to
# as part of overriding the single-connection logic in the superclass.
self._sent_hellos = set()
def rx_message (self, connection, msg):
"""
Handles incoming messages
@overrides SoftwareSwitch.rx_message
"""
self.connection_in_action = connection
if not self.check_rights(msg, connection):
self.log.warn("Message %s not allowed for slave controller %d", msg,
connection.ID)
self.send_vendor_error(connection)
else:
SoftwareSwitch.rx_message(self, connection, msg)
self.connection_in_action = None
def rx_message (self, connection, msg):
"""
Handles incoming messages
@overrides SoftwareSwitch.rx_message
"""
self.connection_in_action = connection
if not self.check_rights(msg, connection):
self.log.warn("Message %s not allowed for slave controller %d", msg,
connection.ID)
self.send_vendor_error(connection)
else:
SoftwareSwitch.rx_message(self, connection, msg)
self.connection_in_action = None
def _rx_vendor (self, vendor, connection):
self.log.debug("Vendor %s %s", self.name, str(vendor))
if vendor.vendor == nx.VENDOR_ID:
try:
data = nx.unpack_vendor_data_nx(vendor.data)
if isinstance(data, nx.role_request_data):
self.set_role(connection, data.role)
reply = of.ofp_vendor(xid=vendor.xid, vendor = nx.VENDOR_ID,
data = nx.role_reply_data(role = data.role))
self.send(reply)
return
except NotImplementedError:
self.send_vendor_error(connection)
else:
return SoftwareSwitch._rx_vendor(self, vendor)
def _rx_vendor (self, vendor, connection):
self.log.debug("Vendor %s %s", self.name, str(vendor))
if vendor.vendor == nx.VENDOR_ID:
try:
data = nx.unpack_vendor_data_nx(vendor.data)
if isinstance(data, nx.role_request_data):
self.set_role(connection, data.role)
reply = of.ofp_vendor(xid=vendor.xid, vendor = nx.VENDOR_ID,
data = nx.role_reply_data(role = data.role))
self.send(reply)
return
except NotImplementedError:
self.send_vendor_error(connection)
else:
return SoftwareSwitch._rx_vendor(self, vendor)
def _output_packet_physical(self, packet, port_num):
self.forward(packet, port_num)
SoftwareSwitch._output_packet_physical(self, packet, port_num)
def __init__(self, *args, **kwargs):
SoftwareSwitch.__init__(self, *args, **kwargs)
def _output_packet_physical(self, packet, port_num):
self.forward(packet, port_num)
SoftwareSwitch._output_packet_physical(self, packet, port_num)
def __init__(self, *args, **kwargs):
SoftwareSwitch.__init__(self, *args, **kwargs)
