Line data    Source code

       1             : /**
       2             :  *
       3             :  *    Copyright (c) 2021 Project CHIP Authors
       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             : 
      17             : #include "InvokeResponseIBs.h"
      18             : 
      19             : #include "MessageDefHelper.h"
      20             : 
      21             : #include <inttypes.h>
      22             : #include <stdarg.h>
      23             : #include <stdio.h>
      24             : 
      25             : #include <app/AppConfig.h>
      26             : 
      27             : namespace chip {
      28             : namespace app {
      29             : #if CHIP_CONFIG_IM_PRETTY_PRINT
      30          26 : CHIP_ERROR InvokeResponseIBs::Parser::PrettyPrint() const
      31             : {
      32          26 :     CHIP_ERROR err            = CHIP_NO_ERROR;
      33          26 :     size_t numInvokeResponses = 0;
      34             :     TLV::TLVReader reader;
      35             : 
      36          26 :     PRETTY_PRINT("InvokeResponseIBs =");
      37          26 :     PRETTY_PRINT("[");
      38             : 
      39             :     // make a copy of the reader
      40          26 :     reader.Init(mReader);
      41             : 
      42          59 :     while (CHIP_NO_ERROR == (err = reader.Next()))
      43             :     {
      44          33 :         VerifyOrReturnError(TLV::AnonymousTag() == reader.GetTag(), CHIP_ERROR_INVALID_TLV_TAG);
      45             :         {
      46          33 :             InvokeResponseIB::Parser invokeResponse;
      47          33 :             ReturnErrorOnFailure(invokeResponse.Init(reader));
      48          33 :             PRETTY_PRINT_INCDEPTH();
      49          33 :             ReturnErrorOnFailure(invokeResponse.PrettyPrint());
      50          33 :             PRETTY_PRINT_DECDEPTH();
      51             :         }
      52             : 
      53          33 :         ++numInvokeResponses;
      54             :     }
      55             : 
      56          26 :     PRETTY_PRINT("],");
      57          26 :     PRETTY_PRINT_BLANK_LINE();
      58             : 
      59             :     // if we have exhausted this container
      60          26 :     if (CHIP_END_OF_TLV == err)
      61             :     {
      62             :         // if we have at least one response
      63          26 :         if (numInvokeResponses > 0)
      64             :         {
      65          26 :             err = CHIP_NO_ERROR;
      66             :         }
      67             :     }
      68          26 :     ReturnErrorOnFailure(err);
      69          26 :     return reader.ExitContainer(mOuterContainerType);
      70             : }
      71             : #endif // CHIP_CONFIG_IM_PRETTY_PRINT
      72             : 
      73          47 : CHIP_ERROR InvokeResponseIBs::Builder::InitWithEndBufferReserved(TLV::TLVWriter * const apWriter, const uint8_t aContextTagToUse)
      74             : {
      75          47 :     ReturnErrorOnFailure(Init(apWriter, aContextTagToUse));
      76          47 :     ReturnErrorOnFailure(GetWriter()->ReserveBuffer(GetSizeToEndInvokeResponses()));
      77          47 :     mIsEndBufferReserved = true;
      78          47 :     return CHIP_NO_ERROR;
      79             : }
      80             : 
      81          61 : InvokeResponseIB::Builder & InvokeResponseIBs::Builder::CreateInvokeResponse()
      82             : {
      83          61 :     if (mError == CHIP_NO_ERROR)
      84             :     {
      85          61 :         mError = mInvokeResponse.Init(mpWriter);
      86             :     }
      87          61 :     return mInvokeResponse;
      88             : }
      89             : 
      90          43 : CHIP_ERROR InvokeResponseIBs::Builder::EndOfInvokeResponses()
      91             : {
      92             :     // If any changes are made to how we end the invoke responses that involves how many bytes are
      93             :     // needed, a corresponding change to GetSizeToEndInvokeResponses indicating the new size that
      94             :     // will be required.
      95          43 :     if (mIsEndBufferReserved)
      96             :     {
      97          39 :         ReturnErrorOnFailure(GetWriter()->UnreserveBuffer(GetSizeToEndInvokeResponses()));
      98          39 :         mIsEndBufferReserved = false;
      99             :     }
     100          43 :     EndOfContainer();
     101          43 :     return GetError();
     102             : }
     103             : 
     104          86 : uint32_t InvokeResponseIBs::Builder::GetSizeToEndInvokeResponses()
     105             : {
     106          86 :     uint32_t kEndOfContainerSize = 1;
     107          86 :     return kEndOfContainerSize;
     108             : }
     109             : } // namespace app
     110             : } // namespace chip