예제 #1
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 async def _get_client(service):
     (ip, port) = ServiceRegistry.get_service_address(service)
     return await aioh2.open_connection(ip, port)
예제 #2
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def main():
    """Start mobilityd"""
    service = MagmaService('mobilityd', mconfigs_pb2.MobilityD())

    # Optionally pipe errors to Sentry
    sentry_init(service_name=service.name)

    # Load service configs and mconfig
    config = service.config
    mconfig = service.mconfig

    multi_apn = config.get('multi_apn', mconfig.multi_apn_ip_alloc)
    static_ip_enabled = config.get('static_ip', mconfig.static_ip_enabled)
    allocator_type = mconfig.ip_allocator_type

    dhcp_iface = config.get('dhcp_iface', 'dhcp0')
    dhcp_retry_limit = config.get('retry_limit', RETRY_LIMIT)

    # TODO: consider adding gateway mconfig to decide whether to
    # persist to Redis
    client = get_default_client()
    store = MobilityStore(
        client, config.get('persist_to_redis', False),
        config.get('redis_port', DEFAULT_REDIS_PORT),
    )

    chan = ServiceRegistry.get_rpc_channel(
        'subscriberdb',
        ServiceRegistry.LOCAL,
    )
    ipv4_allocator = _get_ipv4_allocator(
        store, allocator_type,
        static_ip_enabled, multi_apn,
        dhcp_iface, dhcp_retry_limit,
        SubscriberDBStub(chan),
    )

    # Init IPv6 allocator, for now only IP_POOL mode is supported for IPv6
    ipv6_allocator = IPv6AllocatorPool(
        store=store,
        session_prefix_alloc_mode=_get_value_or_default(
            mconfig.ipv6_prefix_allocation_type,
            DEFAULT_IPV6_PREFIX_ALLOC_MODE,
        ),
    )

    # Load IPAddressManager
    ip_address_man = IPAddressManager(ipv4_allocator, ipv6_allocator, store)

    # Add all servicers to the server
    mobility_service_servicer = MobilityServiceRpcServicer(
        ip_address_man, config.get('print_grpc_payload', False),
    )
    mobility_service_servicer.add_to_server(service.rpc_server)

    # Load IPv4 and IPv6 blocks from the configurable mconfig file
    # No dynamic reloading support for now, assume restart after updates
    ipv4_block = _get_ip_block(mconfig.ip_block, "IPv4")
    if ipv4_block is not None:
        logging.info('Adding IPv4 block')
        try:
            mobility_service_servicer.add_ip_block(ipv4_block)
        except OverlappedIPBlocksError:
            logging.warning("Overlapped IPv4 block: %s", ipv4_block)

    ipv6_block = _get_ip_block(mconfig.ipv6_block, "IPv6")
    if ipv6_block is not None:
        logging.info('Adding IPv6 block')
        try:
            mobility_service_servicer.add_ip_block(ipv6_block)
        except OverlappedIPBlocksError:
            logging.warning("Overlapped IPv6 block: %s", ipv6_block)

    # Run the service loop
    service.run()

    # Cleanup the service
    service.close()
예제 #3
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def send_policy_rar(client, args):
    sessiond_chan = ServiceRegistry.get_rpc_channel("sessiond", ServiceRegistry.LOCAL)
    sessiond_client = SessionProxyResponderStub(sessiond_chan)
    flow_list_str = args.flow_rules.split(";")
    flow_match_list = []
    for i, flow_str in enumerate(flow_list_str):
        print("%d: %s" % (i, flow_str))
        flow_fields = flow_str.split(",")
        if flow_fields[0] == "UL":
            flow_direction = FlowMatch.UPLINK
        elif flow_fields[0] == "DL":
            flow_direction = FlowMatch.DOWNLINK
        else:
            print("%s is not valid" % flow_fields[0])
            raise ValueError(
                "UL or DL are the only valid"
                " values for first parameter of flow match",
            )
        ip_protocol = int(flow_fields[1])
        if flow_fields[1] == FlowMatch.IPPROTO_TCP:
            udp_src_port = 0
            udp_dst_port = 0
            if flow_fields[3]:
                tcp_src_port = int(flow_fields[3])
            else:
                tcp_src_port = 0
            if flow_fields[5]:
                tcp_dst_port = int(flow_fields[5])
            else:
                tcp_dst_port = 0
        elif flow_fields[1] == FlowMatch.IPPROTO_UDP:
            tcp_src_port = 0
            tcp_dst_port = 0
            if flow_fields[3]:
                udp_src_port = int(flow_fields[3])
            else:
                udp_src_port = 0
            if flow_fields[5]:
                udp_dst_port = int(flow_fields[5])
            else:
                udp_dst_port = 0
        else:
            udp_src_port = 0
            udp_dst_port = 0
            tcp_src_port = 0
            tcp_dst_port = 0

        flow_match_list.append(
            FlowDescription(
                match=FlowMatch(
                    direction=flow_direction,
                    ip_proto=ip_protocol,
                    ipv4_src=flow_fields[2],
                    ipv4_dst=flow_fields[4],
                    tcp_src=tcp_src_port,
                    tcp_dst=tcp_dst_port,
                    udp_src=udp_src_port,
                    udp_dst=udp_dst_port,
                ),
                action=FlowDescription.PERMIT,
            ),
        )

    qos_parameter_list = args.qos.split(",")
    if len(qos_parameter_list) == 7:
        # utilize user passed arguments
        policy_qos = FlowQos(
            qci=int(args.qci),
            max_req_bw_ul=int(qos_parameter_list[0]),
            max_req_bw_dl=int(qos_parameter_list[1]),
            gbr_ul=int(qos_parameter_list[2]),
            gbr_dl=int(qos_parameter_list[3]),
            arp=QosArp(
                priority_level=int(qos_parameter_list[4]),
                pre_capability=int(qos_parameter_list[5]),
                pre_vulnerability=int(qos_parameter_list[6]),
            ),
        )
    else:
        # parameter missing, use default values
        policy_qos = FlowQos(
            qci=int(args.qci),
            max_req_bw_ul=100000,
            max_req_bw_dl=100000,
            arp=QosArp(priority_level=1, pre_capability=1, pre_vulnerability=0),
        )

    policy_rule = PolicyRule(
        id=args.policy_id,
        priority=int(args.priority),
        flow_list=flow_match_list,
        tracking_type=PolicyRule.NO_TRACKING,
        rating_group=1,
        monitoring_key=None,
        qos=policy_qos,
    )

    qos = QoSInformation(qci=int(args.qci))

    reauth_result = sessiond_client.PolicyReAuth(
        PolicyReAuthRequest(
            session_id=args.session_id,
            imsi=args.imsi,
            rules_to_remove=[],
            rules_to_install=[],
            dynamic_rules_to_install=[DynamicRuleInstall(policy_rule=policy_rule)],
            event_triggers=[],
            revalidation_time=None,
            usage_monitoring_credits=[],
            qos_info=qos,
        ),
    )
    print(reauth_result)
예제 #4
0
def main():
    """Start mobilityd"""
    service = MagmaService('mobilityd', mconfigs_pb2.MobilityD())

    # Load service configs and mconfig
    config = service.config
    mconfig = service.mconfig

    # Optionally pipe errors to Sentry
    sentry_init(service_name=service.name,
                sentry_mconfig=service.shared_mconfig.sentry_config)

    multi_apn = config.get('multi_apn', mconfig.multi_apn_ip_alloc)
    static_ip_enabled = config.get('static_ip', mconfig.static_ip_enabled)
    allocator_type = mconfig.ip_allocator_type

    dhcp_iface = config.get('dhcp_iface', 'dhcp0')
    dhcp_retry_limit = config.get('retry_limit', RETRY_LIMIT)
    ipv6_prefixlen = config.get('ipv6_prefixlen', None)

    # TODO: consider adding gateway mconfig to decide whether to
    # persist to Redis
    client = get_default_client()
    store = MobilityStore(client, )

    chan = ServiceRegistry.get_rpc_channel(
        'subscriberdb',
        ServiceRegistry.LOCAL,
    )
    ipv4_allocator = _get_ipv4_allocator(
        store,
        allocator_type,
        static_ip_enabled,
        multi_apn,
        dhcp_iface,
        dhcp_retry_limit,
        SubscriberDBStub(chan),
    )

    # Init IPv6 allocator, for now only IP_POOL mode is supported for IPv6
    ipv6_allocator = _get_ipv6_allocator(
        store,
        allocator_type,
        static_ip_enabled,
        mconfig,
        ipv6_prefixlen,
        SubscriberDBStub(chan),
    )

    # Load IPAddressManager
    ip_address_man = IPAddressManager(ipv4_allocator, ipv6_allocator, store)

    # Load IPv4 and IPv6 blocks from the configurable mconfig file
    # No dynamic reloading support for now, assume restart after updates
    ipv4_block = _get_ip_block(mconfig.ip_block, "IPv4")
    if ipv4_block is not None:
        logging.info('Adding IPv4 block')
        try:
            allocated_ip_blocks = ip_address_man.list_added_ip_blocks()
            if ipv4_block not in allocated_ip_blocks:
                # Cleanup previously allocated IP blocks
                ip_address_man.remove_ip_blocks(*allocated_ip_blocks,
                                                force=True)
                ip_address_man.add_ip_block(ipv4_block)
        except OverlappedIPBlocksError:
            logging.warning("Overlapped IPv4 block: %s", ipv4_block)

    ipv6_block = _get_ip_block(mconfig.ipv6_block, "IPv6")
    if ipv6_block is not None:
        logging.info('Adding IPv6 block')
        try:
            allocated_ipv6_block = ip_address_man.get_assigned_ipv6_block()
            if ipv6_block != allocated_ipv6_block:
                ip_address_man.add_ip_block(ipv6_block)
            # configure IPv6 default GW
            store.dhcp_gw_info.read_default_gw_v6()
        except OverlappedIPBlocksError:
            logging.warning("Overlapped IPv6 block: %s", ipv6_block)

    # Add all servicers to the server
    mobility_service_servicer = MobilityServiceRpcServicer(
        ip_address_man,
        config.get('print_grpc_payload', False),
    )
    mobility_service_servicer.add_to_server(service.rpc_server)
    service.run()

    # Cleanup the service
    service.close()