| /* |
| * Copyright 2016-present Open Networking Foundation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.onosproject.net; |
| |
| import java.util.Set; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Collection of helper methods to convert various SignalTypes to OduSignalType, and to build OduSignalId. |
| */ |
| public final class OduSignalUtils { |
| |
| private static final Logger log = LoggerFactory.getLogger(OduSignalUtils.class); |
| |
| // prohibit instantiation |
| private OduSignalUtils() {} |
| |
| /** |
| * Maps from OduClt SignalType to OduSignalType. |
| * |
| * @param cltSignalType OduClt port signal type |
| * @return OduSignalType the result of mapping CltSignalType to OduSignalType |
| */ |
| public static OduSignalType mappingCltSignalTypeToOduSignalType(CltSignalType cltSignalType) { |
| switch (cltSignalType) { |
| case CLT_1GBE: |
| return OduSignalType.ODU0; |
| case CLT_10GBE: |
| return OduSignalType.ODU2; |
| case CLT_40GBE: |
| return OduSignalType.ODU3; |
| case CLT_100GBE: |
| return OduSignalType.ODU4; |
| default: |
| log.error("Unsupported CltSignalType {}", cltSignalType); |
| return OduSignalType.ODU0; |
| } |
| } |
| |
| /** |
| * Maps from OtuPort SignalType to OduSignalType. |
| * |
| * @param otuSignalType Otu port signal type |
| * @return OduSignalType the result of mapping OtuSignalType to OduSignalType |
| */ |
| public static OduSignalType mappingOtuSignalTypeToOduSignalType(OtuSignalType otuSignalType) { |
| switch (otuSignalType) { |
| case OTU2: |
| return OduSignalType.ODU2; |
| case OTU4: |
| return OduSignalType.ODU4; |
| default: |
| log.error("Unsupported OtuSignalType {}", otuSignalType); |
| return OduSignalType.ODU0; |
| } |
| } |
| |
| /** |
| * Creates OduSignalId from OduSignalType and TributarySlots. |
| * @param oduSignalType - OduSignalType |
| * @param slots - a set of TributarySlots |
| * @return OduSignalId |
| */ |
| public static OduSignalId buildOduSignalId(OduSignalType oduSignalType, Set<TributarySlot> slots) { |
| int tributaryPortNumber = (int) slots.stream().findFirst().get().index(); |
| int tributarySlotLen = oduSignalType.tributarySlots(); |
| byte[] tributarySlotBitmap = new byte[OduSignalId.TRIBUTARY_SLOT_BITMAP_SIZE]; |
| |
| slots.forEach(ts -> tributarySlotBitmap[(byte) (ts.index() - 1) / 8] |= 0x1 << ((ts.index() - 1) % 8)); |
| return OduSignalId.oduSignalId(tributaryPortNumber, tributarySlotLen, tributarySlotBitmap); |
| } |
| |
| } |