text: /**
   *
   *    Copyright (c) 2021 Project CHIP Authors
   *    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.
   */
  
  #include "TimedRequestMessage.h"
  #include "MessageDefHelper.h"
  
  namespace chip {
  namespace app {
  #if CHIP_CONFIG_IM_ENABLE_SCHEMA_CHECK
  CHIP_ERROR TimedRequestMessage::Parser::CheckSchemaValidity() const
  {
      CHIP_ERROR err      = CHIP_NO_ERROR;
      int tagPresenceMask = 0;
      TLV::TLVReader reader;
      PRETTY_PRINT("TimedRequestMessage =");
      PRETTY_PRINT("{");
  
      // make a copy of the reader
      reader.Init(mReader);
  
      while (CHIP_NO_ERROR == (err = reader.Next()))
      {
          VerifyOrReturnError(TLV::IsContextTag(reader.GetTag()), CHIP_ERROR_INVALID_TLV_TAG);
          uint32_t tagNum = TLV::TagNumFromTag(reader.GetTag());
          switch (tagNum)
          {
          case to_underlying(Tag::kTimeoutMs):
              VerifyOrReturnError(!(tagPresenceMask & (1 << to_underlying(Tag::kTimeoutMs))), CHIP_ERROR_INVALID_TLV_TAG);
              tagPresenceMask |= (1 << to_underlying(Tag::kTimeoutMs));
              VerifyOrReturnError(TLV::kTLVType_UnsignedInteger == reader.GetType(), CHIP_ERROR_WRONG_TLV_TYPE);
  #if CHIP_DETAIL_LOGGING
              {
                  uint16_t timeout;
                  ReturnErrorOnFailure(reader.Get(timeout));
                  PRETTY_PRINT("\tTimeoutMs = 0x%" PRIx8 ",", timeout);
              }
  #endif // CHIP_DETAIL_LOGGING
              break;
          case kInteractionModelRevisionTag:
              ReturnErrorOnFailure(MessageParser::CheckInteractionModelRevision(reader));
              break;
          default:
              PRETTY_PRINT("Unknown tag num %" PRIu32, tagNum);
              break;
          }
      }
      PRETTY_PRINT("}");
      PRETTY_PRINT("");
      if (CHIP_END_OF_TLV == err)
      {
          const int RequiredFields = (1 << to_underlying(Tag::kTimeoutMs));
  
          if ((tagPresenceMask & RequiredFields) == RequiredFields)
          {
              err = CHIP_NO_ERROR;
          }
          else
          {
              err = CHIP_ERROR_IM_MALFORMED_TIMED_REQUEST_MESSAGE;
          }
      }
      ReturnErrorOnFailure(err);
      return reader.ExitContainer(mOuterContainerType);
  }
  #endif // CHIP_CONFIG_IM_ENABLE_SCHEMA_CHECK
  
  CHIP_ERROR TimedRequestMessage::Parser::GetTimeoutMs(uint16_t * const apTimeoutMs) const
  {
      return GetUnsignedInteger(to_underlying(Tag::kTimeoutMs), apTimeoutMs);
  }
  
  TimedRequestMessage::Builder & TimedRequestMessage::Builder::TimeoutMs(const uint16_t aTimeoutMs)
  {
      // skip if error has already been set
      if (mError == CHIP_NO_ERROR)
      {
          mError = mpWriter->Put(TLV::ContextTag(to_underlying(Tag::kTimeoutMs)), aTimeoutMs);
      }
      if (mError == CHIP_NO_ERROR)
      {
          mError = MessageBuilder::EncodeInteractionModelRevision();
      }
      if (mError == CHIP_NO_ERROR)
      {
          EndOfContainer();
      }
      return *this;
  }
  } // namespace app
  } // namespace chip
  