Line data    Source code

       1             : /*
       2             :  *
       3             :  *    Copyright (c) 2021 Project CHIP Authors
       4             :  *
       5             :  *    Licensed under the Apache License, Version 2.0 (the "License");
       6             :  *    you may not use this file except in compliance with the License.
       7             :  *    You may obtain a copy of the License at
       8             :  *
       9             :  *        http://www.apache.org/licenses/LICENSE-2.0
      10             :  *
      11             :  *    Unless required by applicable law or agreed to in writing, software
      12             :  *    distributed under the License is distributed on an "AS IS" BASIS,
      13             :  *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      14             :  *    See the License for the specific language governing permissions and
      15             :  *    limitations under the License.
      16             :  */
      17             : 
      18             : #pragma once
      19             : 
      20             : #include <cstdint>
      21             : 
      22             : namespace chip {
      23             : 
      24             : using GroupId = uint16_t;
      25             : 
      26             : inline constexpr GroupId kUndefinedGroupId = 0;
      27             : 
      28             : inline constexpr GroupId kMinUniversalGroupId = 0xFF00;
      29             : inline constexpr GroupId kMaxUniversalGroupId = 0xFFFF;
      30             : 
      31             : inline constexpr GroupId kMinApplicationGroupId = 0x0001;
      32             : inline constexpr GroupId kMaxApplicationGroupId = 0xFEFF;
      33             : 
      34             : inline constexpr GroupId kAllNodes     = 0xFFFF;
      35             : inline constexpr GroupId kAllNonSleepy = 0xFFFE;
      36             : inline constexpr GroupId kAllProxies   = 0xFFFD;
      37             : 
      38             : inline constexpr GroupId kMinUniversalGroupIdReserved = 0xFF00;
      39             : inline constexpr GroupId kMaxUniversalGroupIdReserved = 0xFFFC;
      40             : 
      41             : constexpr bool IsOperationalGroupId(GroupId aGroupId)
      42             : {
      43             :     return (aGroupId != kUndefinedGroupId) &&
      44             :         ((aGroupId < kMinUniversalGroupIdReserved) || (aGroupId > kMaxUniversalGroupIdReserved));
      45             : }
      46             : 
      47             : constexpr bool IsApplicationGroupId(GroupId aGroupId)
      48             : {
      49             :     return (aGroupId >= kMinApplicationGroupId) && (aGroupId <= kMaxApplicationGroupId);
      50             : }
      51             : 
      52             : constexpr bool IsUniversalGroupId(GroupId aGroupId)
      53             : {
      54             :     return (aGroupId >= kMinUniversalGroupId);
      55             : }
      56             : 
      57          90 : constexpr bool IsValidGroupId(GroupId aGroupId)
      58             : {
      59          90 :     return aGroupId != kUndefinedGroupId;
      60             : }
      61             : 
      62             : } // namespace chip