Shad Ansari | 0d83c94 | 2017-07-05 21:30:38 -0700 | [diff] [blame] | 1 | # |
| 2 | # Copyright 2017 the original author or authors. |
| 3 | # |
| 4 | # Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | # you may not use this file except in compliance with the License. |
| 6 | # You may obtain a copy of the License at |
| 7 | # |
| 8 | # http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | # |
| 10 | # Unless required by applicable law or agreed to in writing, software |
| 11 | # distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | # See the License for the specific language governing permissions and |
| 14 | # limitations under the License. |
| 15 | # |
| 16 | import structlog |
Shad Ansari | da0f3a4 | 2017-07-19 09:51:06 -0700 | [diff] [blame] | 17 | from scapy.layers.l2 import Ether, Dot1Q |
| 18 | from voltha.registry import registry |
Shad Ansari | 0d83c94 | 2017-07-05 21:30:38 -0700 | [diff] [blame] | 19 | from voltha.protos.common_pb2 import OperStatus, ConnectStatus, AdminState |
| 20 | |
Shad Ansari | 1831fcc | 2017-08-11 16:41:44 -0700 | [diff] [blame] | 21 | |
Shad Ansari | 0d83c94 | 2017-07-05 21:30:38 -0700 | [diff] [blame] | 22 | class DeviceHandler(object): |
| 23 | def __init__(self, adapter, device_id): |
| 24 | self.adapter = adapter |
| 25 | self.adapter_agent = adapter.adapter_agent |
| 26 | self.device_id = device_id |
| 27 | self.log = structlog.get_logger(device_id=device_id) |
| 28 | self.logical_device_id = None |
| 29 | |
| 30 | def disable(self): |
| 31 | self.log.info('disabling', device_id=self.device_id) |
| 32 | |
| 33 | # Get the latest device reference |
| 34 | device = self.adapter_agent.get_device(self.device_id) |
| 35 | |
| 36 | # Disable all ports on that device |
| 37 | self.adapter_agent.disable_all_ports(self.device_id) |
| 38 | |
| 39 | # Update the operational status to UNKNOWN |
| 40 | device.oper_status = OperStatus.UNKNOWN |
| 41 | device.connect_status = ConnectStatus.UNREACHABLE |
| 42 | self.adapter_agent.update_device(device) |
| 43 | |
Shad Ansari | 1831fcc | 2017-08-11 16:41:44 -0700 | [diff] [blame] | 44 | |
Shad Ansari | 0d83c94 | 2017-07-05 21:30:38 -0700 | [diff] [blame] | 45 | class OltDeviceHandler(DeviceHandler): |
| 46 | def __init__(self, adapter, device_id): |
| 47 | super(OltDeviceHandler, self).__init__(adapter, device_id) |
Shad Ansari | da0f3a4 | 2017-07-19 09:51:06 -0700 | [diff] [blame] | 48 | self.filter = None |
rshetty | e4bd2ed | 2017-07-19 16:38:11 +0530 | [diff] [blame] | 49 | self.io_port = None |
rshetty | c26a3c3 | 2017-07-27 11:06:38 +0530 | [diff] [blame] | 50 | self.interface = registry('main').get_args().interface |
Shad Ansari | da0f3a4 | 2017-07-19 09:51:06 -0700 | [diff] [blame] | 51 | |
| 52 | def __del__(self): |
| 53 | if self.io_port is not None: |
| 54 | registry('frameio').close_port(self.io_port) |
Shad Ansari | 0d83c94 | 2017-07-05 21:30:38 -0700 | [diff] [blame] | 55 | |
| 56 | def disable(self): |
| 57 | super(OltDeviceHandler, self).disable() |
| 58 | |
| 59 | # Remove the logical device |
| 60 | logical_device = self.adapter_agent.get_logical_device( |
| 61 | self.logical_device_id) |
| 62 | self.adapter_agent.delete_logical_device(logical_device) |
| 63 | |
| 64 | # Disable all child devices first |
| 65 | self.adapter_agent.update_child_devices_state(self.device_id, |
| 66 | admin_state=AdminState.DISABLED) |
| 67 | |
| 68 | # Remove the peer references from this device |
| 69 | self.adapter_agent.delete_all_peer_references(self.device_id) |
| 70 | |
| 71 | # Update the logice device mapping |
| 72 | if self.logical_device_id in \ |
| 73 | self.adapter.logical_device_id_to_root_device_id: |
| 74 | del self.adapter.logical_device_id_to_root_device_id[ |
| 75 | self.logical_device_id] |
| 76 | |
| 77 | # TODO: |
| 78 | # 1) Remove all flows from the device |
| 79 | # 2) Remove the device from ponsim |
| 80 | |
| 81 | self.log.info('disabled', device_id=self.device_id) |
| 82 | |
| 83 | def delete(self): |
| 84 | self.log.info('deleting', device_id=self.device_id) |
| 85 | |
| 86 | # Remove all child devices |
| 87 | self.adapter_agent.delete_all_child_devices(self.device_id) |
| 88 | |
| 89 | # TODO: |
| 90 | # 1) Remove all flows from the device |
| 91 | # 2) Remove the device from ponsim |
| 92 | |
| 93 | self.log.info('deleted', device_id=self.device_id) |
| 94 | |
Shad Ansari | da0f3a4 | 2017-07-19 09:51:06 -0700 | [diff] [blame] | 95 | def activate_io_port(self): |
| 96 | if self.io_port is None: |
| 97 | self.log.info('registering-frameio') |
| 98 | self.io_port = registry('frameio').open_port( |
| 99 | self.interface, self.rcv_io, self.filter) |
| 100 | |
| 101 | def deactivate_io_port(self): |
| 102 | io, self.io_port = self.io_port, None |
| 103 | |
| 104 | if io is not None: |
| 105 | registry('frameio').close_port(io) |
| 106 | |
| 107 | def rcv_io(self, port, frame): |
| 108 | self.log.info('received', iface_name=port.iface_name, |
| 109 | frame_len=len(frame)) |
| 110 | pkt = Ether(frame) |
| 111 | if pkt.haslayer(Dot1Q): |
| 112 | outer_shim = pkt.getlayer(Dot1Q) |
| 113 | if isinstance(outer_shim.payload, Dot1Q): |
| 114 | inner_shim = outer_shim.payload |
| 115 | cvid = inner_shim.vlan |
| 116 | logical_port = cvid |
| 117 | popped_frame = ( |
| 118 | Ether(src=pkt.src, dst=pkt.dst, type=inner_shim.type) / |
| 119 | inner_shim.payload |
| 120 | ) |
| 121 | kw = dict( |
| 122 | logical_device_id=self.logical_device_id, |
| 123 | logical_port_no=logical_port, |
| 124 | ) |
| 125 | self.log.info('sending-packet-in', **kw) |
| 126 | self.adapter_agent.send_packet_in( |
| 127 | packet=str(popped_frame), **kw) |
| 128 | ''' |
| 129 | # TODO: handle non dot1q pkts |
| 130 | elif pkt.haslayer(Raw): |
| 131 | raw_data = json.loads(pkt.getlayer(Raw).load) |
| 132 | self.alarms.send_alarm(self, raw_data) |
| 133 | ''' |
| 134 | |
Shad Ansari | 1831fcc | 2017-08-11 16:41:44 -0700 | [diff] [blame] | 135 | def packet_out(self, egress_port, msg): |
| 136 | raise NotImplementedError() |
| 137 | |
| 138 | |
Shad Ansari | 0d83c94 | 2017-07-05 21:30:38 -0700 | [diff] [blame] | 139 | class OnuDeviceHandler(DeviceHandler): |
| 140 | pass |