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This method gets in - bound filters of the specified neighbor.
def in_filter_get(self, address): """This method gets in-bound filters of the specified neighbor. ``address`` specifies the IP address of the neighbor. Returns a list object containing an instance of Filter sub-class """ func_name = 'neighbor.in_filter.get' param = { ...
This method registers a new BMP ( BGP monitoring Protocol ) server. The BGP speaker starts to send BMP messages to the server. Currently only one BMP server can be registered.
def bmp_server_add(self, address, port): """This method registers a new BMP (BGP monitoring Protocol) server. The BGP speaker starts to send BMP messages to the server. Currently, only one BMP server can be registered. ``address`` specifies the IP address of a BMP server. ``por...
This method unregister the registered BMP server.
def bmp_server_del(self, address, port): """ This method unregister the registered BMP server. ``address`` specifies the IP address of a BMP server. ``port`` specifies the listen port number of a BMP server. """ func_name = 'bmp.stop' param = { 'host': addr...
This method sets attribute mapping to a neighbor. attribute mapping can be used when you want to apply attribute to BGPUpdate under specific conditions.
def attribute_map_set(self, address, attribute_maps, route_dist=None, route_family=RF_VPN_V4): """This method sets attribute mapping to a neighbor. attribute mapping can be used when you want to apply attribute to BGPUpdate under specific conditions. ``address`...
This method gets in - bound filters of the specified neighbor.
def attribute_map_get(self, address, route_dist=None, route_family=RF_VPN_V4): """This method gets in-bound filters of the specified neighbor. ``address`` specifies the IP address of the neighbor. ``route_dist`` specifies route distinguisher that has attribute_maps. ...
check prefix s route_family and if the address is IPv6 address return IPv6 route_family and normalized IPv6 address. If the address is IPv4 address return IPv4 route_family and the prefix itself.
def _check_rf_and_normalize(prefix): """ check prefix's route_family and if the address is IPv6 address, return IPv6 route_family and normalized IPv6 address. If the address is IPv4 address, return IPv4 route_family and the prefix itself. """ addr, masklen = prefix.split(...
Configure remote ethernet and IP addresses.
def set_remote_addr(self, dst_mac, dst_ip): """ Configure remote ethernet and IP addresses. """ self.dst_mac = dst_mac self.dst_ip = dst_ip if not (dst_mac == "FF:FF:FF:FF:FF:FF" or dst_ip == "255.255.255.255"): self._remote_addr_config = True LOG.in...
BFD packet receiver.
def recv(self, bfd_pkt): """ BFD packet receiver. """ LOG.debug("[BFD][%s][RECV] BFD Control received: %s", hex(self._local_discr), six.binary_type(bfd_pkt)) self._remote_discr = bfd_pkt.my_discr self._remote_state = bfd_pkt.state self._remote_de...
Set the state of the BFD session.
def _set_state(self, new_state, diag=None): """ Set the state of the BFD session. """ old_state = self._session_state LOG.info("[BFD][%s][STATE] State changed from %s to %s.", hex(self._local_discr), bfd.BFD_STATE_NAME[old_state], ...
A loop to check timeout of receiving remote BFD packet.
def _recv_timeout_loop(self): """ A loop to check timeout of receiving remote BFD packet. """ while self._detect_time: last_wait = time.time() self._lock = hub.Event() self._lock.wait(timeout=self._detect_time) if self._lock.is_set(): ...
Update transmission period of the BFD session.
def _update_xmit_period(self): """ Update transmission period of the BFD session. """ # RFC5880 Section 6.8.7. if self._desired_min_tx_interval > self._remote_min_rx_interval: xmit_period = self._desired_min_tx_interval else: xmit_period = self._re...
A loop to proceed periodic BFD packet transmission.
def _send_loop(self): """ A loop to proceed periodic BFD packet transmission. """ while self._enable_send: hub.sleep(self._xmit_period) # Send BFD packet. (RFC5880 Section 6.8.7.) if self._remote_discr == 0 and not self._active_role: ...
BFD packet sender.
def _send(self): """ BFD packet sender. """ # If the switch was not connected to controller, exit. if self.datapath is None: return # BFD Flags Setup flags = 0 if self._pending_final: flags |= bfd.BFD_FLAG_FINAL self._...
Generate BFD packet with Ethernet/ IPv4/ UDP encapsulated.
def bfd_packet(src_mac, dst_mac, src_ip, dst_ip, ipv4_id, src_port, dst_port, diag=0, state=0, flags=0, detect_mult=0, my_discr=0, your_discr=0, desired_min_tx_interval=0, required_min_rx_interval=0, required_min_echo_rx_inte...
Parse raw packet and return BFD class from packet library.
def bfd_parse(data): """ Parse raw packet and return BFD class from packet library. """ pkt = packet.Packet(data) i = iter(pkt) eth_pkt = next(i) assert isinstance(eth_pkt, ethernet.ethernet) ipv4_pkt = next(i) assert isinstance(ipv4_pkt, ipv4.ip...
Generate ARP packet with ethernet encapsulated.
def arp_packet(opcode, src_mac, src_ip, dst_mac, dst_ip): """ Generate ARP packet with ethernet encapsulated. """ # Generate ethernet header first. pkt = packet.Packet() eth_pkt = ethernet.ethernet(dst_mac, src_mac, ETH_TYPE_ARP) pkt.add_protocol(eth_pkt) ...
Parse ARP packet return ARP class from packet library.
def arp_parse(data): """ Parse ARP packet, return ARP class from packet library. """ # Iteratize pkt pkt = packet.Packet(data) i = iter(pkt) eth_pkt = next(i) # Ensure it's an ethernet frame. assert isinstance(eth_pkt, ethernet.ethernet) a...
Establish a new BFD session and return My Discriminator of new session.
def add_bfd_session(self, dpid, ofport, src_mac, src_ip, dst_mac="FF:FF:FF:FF:FF:FF", dst_ip="255.255.255.255", auth_type=0, auth_keys=None): """ Establish a new BFD session and return My Discriminator of new session. Configure the BFD session wit...
Prepare a VRRP packet.
def create_packet(self, primary_ip_address, vlan_id=None): """Prepare a VRRP packet. Returns a newly created ryu.lib.packet.packet.Packet object with appropriate protocol header objects added by add_protocol(). It's caller's responsibility to serialize(). The serialized packet w...
Adds * prefix * from VRF identified by * route_dist * and sets the source as network controller.
def add_local(route_dist, prefix, next_hop, route_family=VRF_RF_IPV4): """Adds *prefix* from VRF identified by *route_dist* and sets the source as network controller. """ try: # Create new path and insert into appropriate VRF table. tm = CORE_MANAGER.get_core_service().table_manager ...
Deletes/ withdraws * prefix * from VRF identified by * route_dist * and source as network controller.
def delete_local(route_dist, prefix, route_family=VRF_RF_IPV4): """Deletes/withdraws *prefix* from VRF identified by *route_dist* and source as network controller. """ try: tm = CORE_MANAGER.get_core_service().table_manager tm.update_vrf_table(route_dist, prefix, ...
Adds EVPN route from VRF identified by * route_dist *.
def add_evpn_local(route_type, route_dist, next_hop, **kwargs): """Adds EVPN route from VRF identified by *route_dist*. """ if(route_type in [EVPN_ETH_AUTO_DISCOVERY, EVPN_ETH_SEGMENT] and kwargs['esi'] == 0): raise ConfigValueError(conf_name=EVPN_ESI, conf_val...
Deletes/ withdraws EVPN route from VRF identified by * route_dist *.
def delete_evpn_local(route_type, route_dist, **kwargs): """Deletes/withdraws EVPN route from VRF identified by *route_dist*. """ try: tm = CORE_MANAGER.get_core_service().table_manager tm.update_vrf_table(route_dist, route_family=VRF_RF_L2_EVPN, ...
Adds Flow Specification route from VRF identified by * route_dist *.
def add_flowspec_local(flowspec_family, route_dist, rules, **kwargs): """Adds Flow Specification route from VRF identified by *route_dist*. """ try: # Create new path and insert into appropriate VRF table. tm = CORE_MANAGER.get_core_service().table_manager tm.update_flowspec_vrf_tabl...
Deletes/ withdraws Flow Specification route from VRF identified by * route_dist *.
def del_flowspec_local(flowspec_family, route_dist, rules): """Deletes/withdraws Flow Specification route from VRF identified by *route_dist*. """ try: tm = CORE_MANAGER.get_core_service().table_manager tm.update_flowspec_vrf_table( flowspec_family=flowspec_family, route_dist...
Wrapper for socket. create_connection () function.
def create_connection(address): """ Wrapper for socket.create_connection() function. If *address* (a 2-tuple ``(host, port)``) contains a valid IPv4/v6 address, passes *address* to socket.create_connection(). If *host* is valid path to Unix Domain socket, tries to connect to the server listenin...
Sends ZEBRA_IPV4/ v6_ROUTE_ADD message to Zebra daemon.
def send_ip_route_add( self, prefix, nexthops=None, safi=packet_safi.UNICAST, flags=zebra.ZEBRA_FLAG_INTERNAL, distance=None, metric=None, mtu=None, tag=None): """ Sends ZEBRA_IPV4/v6_ROUTE_ADD message to Zebra daemon. :param prefix: IPv4/v6 Prefix to adverti...
Request the application to be automatically loaded.
def require_app(app_name, api_style=False): """ Request the application to be automatically loaded. If this is used for "api" style modules, which is imported by a client application, set api_style=True. If this is used for client application module, set api_style=False. """ iterable = (in...
Returns a list of handlers for the specific event.
def get_handlers(self, ev, state=None): """Returns a list of handlers for the specific event. :param ev: The event to handle. :param state: The current state. ("dispatcher") If None is given, returns all handlers for the event. Otherwise, returns only...
Make a synchronous request. Set req. sync to True send it to a Ryu application specified by req. dst and block until receiving a reply. Returns the received reply. The argument should be an instance of EventRequestBase.
def send_request(self, req): """ Make a synchronous request. Set req.sync to True, send it to a Ryu application specified by req.dst, and block until receiving a reply. Returns the received reply. The argument should be an instance of EventRequestBase. """ ...
Send the specified event to the RyuApp instance specified by name.
def send_event(self, name, ev, state=None): """ Send the specified event to the RyuApp instance specified by name. """ if name in SERVICE_BRICKS: if isinstance(ev, EventRequestBase): ev.src = self.name LOG.debug("EVENT %s->%s %s", ...
Send the specified event to all observers of this RyuApp.
def send_event_to_observers(self, ev, state=None): """ Send the specified event to all observers of this RyuApp. """ for observer in self.get_observers(ev, state): self.send_event(observer, ev, state)
Send a reply for a synchronous request sent by send_request. The first argument should be an instance of EventRequestBase. The second argument should be an instance of EventReplyBase.
def reply_to_request(self, req, rep): """ Send a reply for a synchronous request sent by send_request. The first argument should be an instance of EventRequestBase. The second argument should be an instance of EventReplyBase. """ assert isinstance(req, EventRequestBase) ...
Run a set of Ryu applications
def run_apps(app_lists): """Run a set of Ryu applications A convenient method to load and instantiate apps. This blocks until all relevant apps stop. """ app_mgr = AppManager.get_instance() app_mgr.load_apps(app_lists) contexts = app_mgr.create_contexts() ...
list_cap <peer >
def do_list_cap(self, line): """list_cap <peer> """ def f(p, args): for i in p.netconf.server_capabilities: print(i) self._request(line, f)
raw_get <peer >
def do_raw_get(self, line): """raw_get <peer> """ def f(p, args): result = p.raw_get() tree = ET.fromstring(result) validate(tree) print(et_tostring_pp(tree)) self._request(line, f)
raw_get_config <peer > <source >
def do_raw_get_config(self, line): """raw_get_config <peer> <source> """ def f(p, args): try: source = args[0] except: print("argument error") return result = p.raw_get_config(source) tree = ET.froms...
get <peer > eg. get sw1
def do_get(self, line): """get <peer> eg. get sw1 """ def f(p, args): print(p.get()) self._request(line, f)
commit <peer > eg. commit sw1
def do_commit(self, line): """commit <peer> eg. commit sw1 """ def f(p, args): print(p.commit()) self._request(line, f)
discard <peer > eg. discard sw1
def do_discard(self, line): """discard <peer> eg. discard sw1 """ def f(p, args): print(p.discard_changes()) self._request(line, f)
get_config <peer > <source > eg. get_config sw1 startup
def do_get_config(self, line): """get_config <peer> <source> eg. get_config sw1 startup """ def f(p, args): try: source = args[0] except: print("argument error") return print(p.get_config(source)) ...
delete_config <peer > <source > eg. delete_config sw1 startup
def do_delete_config(self, line): """delete_config <peer> <source> eg. delete_config sw1 startup """ def f(p, args): try: source = args[0] except: print("argument error") return print(p.delete_config(sou...
copy_config <peer > <source > <target > eg. copy_config sw1 running startup
def do_copy_config(self, line): """copy_config <peer> <source> <target> eg. copy_config sw1 running startup """ def f(p, args): try: source, target = args except: print("argument error") return print(p.c...
list_port <peer >
def do_list_port(self, line): """list_port <peer> """ def f(p, args): o = p.get() for p in o.resources.port: print('%s %s %s' % (p.resource_id, p.name, p.number)) self._request(line, f)
get_config_port <peer > <source > <port > eg. get_port_config sw1 running LogicalSwitch7 - Port2
def do_get_port_config(self, line): """get_config_port <peer> <source> <port> eg. get_port_config sw1 running LogicalSwitch7-Port2 """ def f(p, args): try: source, port = args except: print("argument error") return ...
set_port_config <peer > <target > <port > <key > <value > eg. set_port_config sw1 running LogicalSwitch7 - Port2 admin - state down eg. set_port_config sw1 running LogicalSwitch7 - Port2 no - forward false
def do_set_port_config(self, line): """set_port_config <peer> <target> <port> <key> <value> eg. set_port_config sw1 running LogicalSwitch7-Port2 admin-state down eg. set_port_config sw1 running LogicalSwitch7-Port2 no-forward false """ def f(p, args): try: ...
list_queue <peer >
def do_list_queue(self, line): """list_queue <peer> """ def f(p, args): o = p.get() if o.resources.queue: for q in o.resources.queue: print('%s %s' % (q.resource_id, q.port)) self._request(line, f)
get_queue_port <peer > <source > <queue > eg. get_queue_config sw1 running LogicalSwitch7 - Port1 - Queue922
def do_get_queue_config(self, line): """get_queue_port <peer> <source> <queue> eg. get_queue_config sw1 running LogicalSwitch7-Port1-Queue922 """ def f(p, args): try: source, queue = args except: print("argument error") ...
set_queue_config <peer > <target > <queue > <key > <value > eg. set_queue_config sw1 running LogicalSwitch7 - Port1 - Queue922 \ max - rate 100
def do_set_queue_config(self, line): """set_queue_config <peer> <target> <queue> <key> <value> eg. set_queue_config sw1 running LogicalSwitch7-Port1-Queue922 \ max-rate 100 """ def f(p, args): try: target, queue, key, value = args except: ...
add_queue <peer > <target > <logical - switch > <queue > eg. add_queue sw1 running LogicalSwitch7 NameOfNewQueue
def do_add_queue(self, line): """add_queue <peer> <target> <logical-switch> <queue> eg. add_queue sw1 running LogicalSwitch7 NameOfNewQueue """ def f(p, args): try: target, lsw, queue = args except: print("argument error") ...
list_logical_switch <peer >
def do_list_logical_switch(self, line): """list_logical_switch <peer> """ def f(p, args): o = p.get() for s in o.logical_switches.switch: print('%s %s' % (s.id, s.datapath_id)) self._request(line, f)
show_logical_switch <peer > <logical switch >
def do_show_logical_switch(self, line): """show_logical_switch <peer> <logical switch> """ def f(p, args): try: (lsw,) = args except: print("argument error") return o = p.get() for s in o.logical_swi...
get_logical_switch_config <peer > <source > <logical switch >
def do_get_logical_switch_config(self, line): """get_logical_switch_config <peer> <source> <logical switch> """ def f(p, args): try: source, lsw = args except: print("argument error") return o = p.get_config(sou...
set_logical_switch_config <peer > <logical switch > <key > <value > eg. set_logical_switch_config sw1 running LogicalSwitch7 \ lost - connection - behavior failStandaloneMode
def do_set_logical_switch_config(self, line): """set_logical_switch_config <peer> <logical switch> <key> <value> eg. set_logical_switch_config sw1 running LogicalSwitch7 \ lost-connection-behavior failStandaloneMode """ def f(p, args): try: target, lsw, key, ...
A convenient wrapper for IPv4 ARP for Ethernet.
def arp_ip(opcode, src_mac, src_ip, dst_mac, dst_ip): """A convenient wrapper for IPv4 ARP for Ethernet. This is an equivalent of the following code. arp(ARP_HW_TYPE_ETHERNET, ether.ETH_TYPE_IP, \ 6, 4, opcode, src_mac, src_ip, dst_mac, dst_ip) """ return arp(ARP_HW_TYPE_ETHERNE...
A decorator for Ryu application to declare an event handler.
def set_ev_cls(ev_cls, dispatchers=None): """ A decorator for Ryu application to declare an event handler. Decorated method will become an event handler. ev_cls is an event class whose instances this RyuApp wants to receive. dispatchers argument specifies one of the following negotiation phases ...
Register the ryu application specified by service as a provider of events defined in the calling module.
def register_service(service): """ Register the ryu application specified by 'service' as a provider of events defined in the calling module. If an application being loaded consumes events (in the sense of set_ev_cls) provided by the 'service' application, the latter application will be automat...
Returns neighbor configuration for given neighbor ip address.
def _get_neighbor_conf(neigh_ip_address): """Returns neighbor configuration for given neighbor ip address. Raises exception if no neighbor with `neigh_ip_address` exists. """ neigh_conf = \ CORE_MANAGER.neighbors_conf.get_neighbor_conf(neigh_ip_address) if not neigh_conf: raise Runt...
Returns a neighbor in_filter for given ip address if exists.
def get_neighbor_in_filter(neigh_ip_address): """Returns a neighbor in_filter for given ip address if exists.""" core = CORE_MANAGER.get_core_service() peer = core.peer_manager.get_by_addr(neigh_ip_address) return peer.in_filters
Returns a neighbor in_filter for given ip address if exists.
def set_neighbor_in_filter(neigh_ip_address, filters): """Returns a neighbor in_filter for given ip address if exists.""" core = CORE_MANAGER.get_core_service() peer = core.peer_manager.get_by_addr(neigh_ip_address) peer.in_filters = filters return True
Returns a neighbor out_filter for given ip address if exists.
def get_neighbor_out_filter(neigh_ip_address): """Returns a neighbor out_filter for given ip address if exists.""" core = CORE_MANAGER.get_core_service() ret = core.peer_manager.get_by_addr(neigh_ip_address).out_filters return ret
Sets the out_filter of a neighbor.
def set_neighbor_out_filter(neigh_ip_address, filters): """Sets the out_filter of a neighbor.""" core = CORE_MANAGER.get_core_service() peer = core.peer_manager.get_by_addr(neigh_ip_address) peer.out_filters = filters return True
set attribute_maps to the neighbor.
def set_neighbor_attribute_map(neigh_ip_address, at_maps, route_dist=None, route_family=VRF_RF_IPV4): """set attribute_maps to the neighbor.""" core = CORE_MANAGER.get_core_service() peer = core.peer_manager.get_by_addr(neigh_ip_address) at_maps_key = const.ATTR_MAPS_LABE...
Returns a neighbor attribute_map for given ip address if exists.
def get_neighbor_attribute_map(neigh_ip_address, route_dist=None, route_family=VRF_RF_IPV4): """Returns a neighbor attribute_map for given ip address if exists.""" core = CORE_MANAGER.get_core_service() peer = core.peer_manager.get_by_addr(neigh_ip_address) at_maps_key = c...
Decorator for registering API function.
def register(**kwargs): """Decorator for registering API function. Does not do any check or validation. """ def decorator(func): _CALL_REGISTRY[kwargs.get(API_SYM, func.__name__)] = func return func return decorator
Calls/ executes BGPS public API identified by given symbol and passes given kwargs as param.
def call(symbol, **kwargs): """Calls/executes BGPS public API identified by given symbol and passes given kwargs as param. """ LOG.info("API method %s called with args: %s", symbol, str(kwargs)) # TODO(PH, JK) improve the way api function modules are loaded from . import all # noqa if not ...
This method is registered as ofp_error_code_to_str ( type_ code ) method into ryu. ofproto. ofproto_v1_ * modules. And this method returns the error code as a string value for given type and code defined in ofp_error_msg structure.
def _error_code_to_str(mod, type_, code): """ This method is registered as ofp_error_code_to_str(type_, code) method into ryu.ofproto.ofproto_v1_* modules. And this method returns the error code as a string value for given 'type' and 'code' defined in ofp_error_msg structure. Example:: ...
This method is registered as ofp_error_to_jsondict ( type_ code ) method into ryu. ofproto. ofproto_v1_ * modules. And this method returns ofp_error_msg as a json format for given type and code defined in ofp_error_msg structure.
def _error_to_jsondict(mod, type_, code): """ This method is registered as ofp_error_to_jsondict(type_, code) method into ryu.ofproto.ofproto_v1_* modules. And this method returns ofp_error_msg as a json format for given 'type' and 'code' defined in ofp_error_msg structure. Example:: >...
Returns a copy of current settings.
def settings(self): """Returns a copy of current settings. As some of the attributes are themselves containers, we clone the settings to provide clones for those containers as well. """ # Shallow copy first cloned_setting = self._settings.copy() # Don't want clon...
Updates this VrfConf settings.
def update(self, **kwargs): """Updates this `VrfConf` settings. Notifies listeners if any settings changed. Returns `True` if update was successful. This vrfs' route family, id and route dist settings cannot be updated/changed. """ # Update inherited configurations ...
Removes any matching VrfConf for given route_dist or vrf_id
def remove_vrf_conf(self, route_dist=None, vrf_id=None, vrf_rf=None): """Removes any matching `VrfConf` for given `route_dist` or `vrf_id` Parameters: - `route_dist`: (str) route distinguisher of a configured VRF - `vrf_id`: (str) vrf ID - `vr...
PacketIn event handler. when the received packet was IGMP proceed it. otherwise send a event.
def packet_in_handler(self, evt): """PacketIn event handler. when the received packet was IGMP, proceed it. otherwise, send a event.""" msg = evt.msg dpid = msg.datapath.id req_pkt = packet.Packet(msg.data) req_igmp = req_pkt.get_protocol(igmp.igmp) if req_igmp: ...
StateChange event handler.
def state_change_handler(self, evt): """StateChange event handler.""" datapath = evt.datapath assert datapath is not None if datapath.id == self._querier.dpid: if evt.state == MAIN_DISPATCHER: self._querier.start_loop(datapath) elif evt.state == DE...
set a flow entry.
def _set_flow_entry(self, datapath, actions, in_port, dst, src=None): """set a flow entry.""" set_flow = self._set_flow_func.get(datapath.ofproto.OFP_VERSION) assert set_flow set_flow(datapath, actions, in_port, dst, src)
remove a flow entry.
def _del_flow_entry(self, datapath, in_port, dst, src=None): """remove a flow entry.""" del_flow = self._del_flow_func.get(datapath.ofproto.OFP_VERSION) assert del_flow del_flow(datapath, in_port, dst, src)
send a packet.
def _do_packet_out(self, datapath, data, in_port, actions): """send a packet.""" ofproto = datapath.ofproto parser = datapath.ofproto_parser out = parser.OFPPacketOut( datapath=datapath, buffer_id=ofproto.OFP_NO_BUFFER, data=data, in_port=in_port, actions=actions...
convert ip v4 string to integer.
def _ipv4_text_to_int(self, ip_text): """convert ip v4 string to integer.""" if ip_text is None: return None assert isinstance(ip_text, str) return struct.unpack('!I', addrconv.ipv4.text_to_bin(ip_text))[0]
set the datapath to work as a querier. note that you can set up only the one querier. when you called this method several times only the last one becomes effective.
def set_querier_mode(self, dpid, server_port): """set the datapath to work as a querier. note that you can set up only the one querier. when you called this method several times, only the last one becomes effective.""" self.dpid = dpid self.server_port = server_port if se...
the process when the querier received IGMP.
def packet_in_handler(self, req_igmp, msg): """the process when the querier received IGMP.""" ofproto = msg.datapath.ofproto if ofproto.OFP_VERSION == ofproto_v1_0.OFP_VERSION: in_port = msg.in_port else: in_port = msg.match['in_port'] if (igmp.IGMP_TYPE_R...
start QUERY thread.
def start_loop(self, datapath): """start QUERY thread.""" self._datapath = datapath self._querier_thread = hub.spawn(self._send_query) self.logger.info("started a querier.")
stop QUERY thread.
def stop_loop(self): """stop QUERY thread.""" hub.kill(self._querier_thread) self._querier_thread = None self._datapath = None self.logger.info("stopped a querier.")
send a QUERY message periodically.
def _send_query(self): """ send a QUERY message periodically.""" timeout = 60 ofproto = self._datapath.ofproto parser = self._datapath.ofproto_parser if ofproto_v1_0.OFP_VERSION == ofproto.OFP_VERSION: send_port = ofproto.OFPP_NONE else: send_port ...
the process when the querier received a REPORT message.
def _do_report(self, report, in_port, msg): """the process when the querier received a REPORT message.""" datapath = msg.datapath ofproto = datapath.ofproto parser = datapath.ofproto_parser if ofproto.OFP_VERSION == ofproto_v1_0.OFP_VERSION: size = 65535 else...
the process when the querier received a LEAVE message.
def _do_leave(self, leave, in_port, msg): """the process when the querier received a LEAVE message.""" datapath = msg.datapath parser = datapath.ofproto_parser self._mcast.setdefault(leave.address, {}) if in_port in self._mcast[leave.address]: self._del_flow_entry( ...
change log format.
def _set_logger(self): """change log format.""" self.logger.propagate = False hdl = logging.StreamHandler() fmt_str = '[querier][%(levelname)s] %(message)s' hdl.setFormatter(logging.Formatter(fmt_str)) self.logger.addHandler(hdl)
the process when the snooper received IGMP.
def packet_in_handler(self, req_pkt, req_igmp, msg): """the process when the snooper received IGMP.""" dpid = msg.datapath.id ofproto = msg.datapath.ofproto if ofproto.OFP_VERSION == ofproto_v1_0.OFP_VERSION: in_port = msg.in_port else: in_port = msg.match...
the process when the snooper received a QUERY message.
def _do_query(self, query, iph, eth, in_port, msg): """the process when the snooper received a QUERY message.""" datapath = msg.datapath dpid = datapath.id ofproto = datapath.ofproto parser = datapath.ofproto_parser # learn the querier. self._to_querier[dpid] = {...
the process when the snooper received a REPORT message.
def _do_report(self, report, in_port, msg): """the process when the snooper received a REPORT message.""" datapath = msg.datapath dpid = datapath.id ofproto = datapath.ofproto parser = datapath.ofproto_parser if ofproto.OFP_VERSION == ofproto_v1_0.OFP_VERSION: ...
the process when the snooper received a LEAVE message.
def _do_leave(self, leave, in_port, msg): """the process when the snooper received a LEAVE message.""" datapath = msg.datapath dpid = datapath.id ofproto = datapath.ofproto parser = datapath.ofproto_parser # check whether the querier port has been specified. if n...
the process when the snooper received a message of the outside for processing.
def _do_flood(self, in_port, msg): """the process when the snooper received a message of the outside for processing. """ datapath = msg.datapath ofproto = datapath.ofproto parser = datapath.ofproto_parser actions = [parser.OFPActionOutput(ofproto.OFPP_FLOOD)] sel...
the process when the QUERY from the querier timeout expired.
def _do_timeout_for_query(self, timeout, datapath): """the process when the QUERY from the querier timeout expired.""" dpid = datapath.id hub.sleep(timeout) outport = self._to_querier[dpid]['port'] remove_dsts = [] for dst in self._to_hosts[dpid]: if not sel...
the process when the QUERY from the switch timeout expired.
def _do_timeout_for_leave(self, timeout, datapath, dst, in_port): """the process when the QUERY from the switch timeout expired.""" parser = datapath.ofproto_parser dpid = datapath.id hub.sleep(timeout) outport = self._to_querier[dpid]['port'] if self._to_hosts[dpid][ds...
remove flow entries about the group and send a LEAVE message if exists.
def _remove_multicast_group(self, datapath, outport, dst): """remove flow entries about the group and send a LEAVE message if exists.""" ofproto = datapath.ofproto parser = datapath.ofproto_parser dpid = datapath.id self._send_event( EventMulticastGroupStateC...
Syncs RT NLRIs for new and removed RTC_ASes.
def update_rtc_as_set(self): """Syncs RT NLRIs for new and removed RTC_ASes. This method should be called when a neighbor is added or removed. """ # Compute the diffs in RTC_ASes curr_rtc_as_set = self._neighbors_conf.rtc_as_set # Always add local AS to RTC AS set ...
Does book - keeping of local RT NLRIs based on all configured VRFs.
def update_local_rt_nlris(self): """Does book-keeping of local RT NLRIs based on all configured VRFs. Syncs all import RTs and RT NLRIs. The method should be called when any VRFs are added/removed/changed. """ current_conf_import_rts = set() for vrf in self._vrfs_conf.vr...
Computes current global interested RTs for global tables.
def _compute_global_interested_rts(self): """Computes current global interested RTs for global tables. Computes interested RTs based on current RT filters for peers. This filter should be used to check if for RTs on a path that is installed in any global table (expect RT Table). ...
Updates interested RT list.
def update_interested_rts(self): """Updates interested RT list. Check if interested RTs have changes from previous check. Takes appropriate action for new interesting RTs and removal of un- interesting RTs. """ prev_global_rts = self._global_interested_rts curr_g...
Converts binary or int type representation to human readable IPv4 string.: param ip: binary or int type representation of IPv4 address: return: IPv4 address string
def ipv4_to_str(ip): """ Converts binary or int type representation to human readable IPv4 string. :param ip: binary or int type representation of IPv4 address :return: IPv4 address string """ if isinstance(ip, numbers.Integral): return addrconv.ipv4.bin_to_text(struct.pack("!I", ip)) ...
Converts binary or int type representation to human readable IPv6 string.: param ip: binary or int type representation of IPv6 address: return: IPv6 address string
def ipv6_to_str(ip): """ Converts binary or int type representation to human readable IPv6 string. :param ip: binary or int type representation of IPv6 address :return: IPv6 address string """ if isinstance(ip, numbers.Integral): return addrconv.ipv6.bin_to_text(type_desc.Int16.from_user...
Converts binary representation to human readable IPv4 or IPv6 string.: param ip: binary representation of IPv4 or IPv6 address: return: IPv4 or IPv6 address string
def bin_to_text(ip): """ Converts binary representation to human readable IPv4 or IPv6 string. :param ip: binary representation of IPv4 or IPv6 address :return: IPv4 or IPv6 address string """ if len(ip) == 4: return ipv4_to_str(ip) elif len(ip) == 16: return ipv6_to_str(ip) ...