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              :  *    @file
      18              :  *      This file defines DataVersionFilter parser and builder in CHIP interaction model
      19              :  *
      20              :  */
      21              : 
      22              : #include "DataVersionFilterIB.h"
      23              : 
      24              : #include "MessageDefHelper.h"
      25              : 
      26              : #include <inttypes.h>
      27              : #include <stdarg.h>
      28              : #include <stdio.h>
      29              : 
      30              : #include <app/AppConfig.h>
      31              : 
      32              : namespace chip {
      33              : namespace app {
      34              : #if CHIP_CONFIG_IM_PRETTY_PRINT
      35         2496 : CHIP_ERROR DataVersionFilterIB::Parser::PrettyPrint() const
      36              : {
      37         2496 :     CHIP_ERROR err = CHIP_NO_ERROR;
      38         2496 :     TLV::TLVReader reader;
      39              : 
      40         2496 :     PRETTY_PRINT("DataVersionFilterIB =");
      41         2496 :     PRETTY_PRINT("{");
      42              : 
      43              :     // make a copy of the Path reader
      44         2496 :     reader.Init(mReader);
      45              : 
      46         7488 :     while (CHIP_NO_ERROR == (err = reader.Next()))
      47              :     {
      48         4992 :         if (!TLV::IsContextTag(reader.GetTag()))
      49              :         {
      50            0 :             continue;
      51              :         }
      52         4992 :         uint32_t tagNum = TLV::TagNumFromTag(reader.GetTag());
      53         4992 :         switch (tagNum)
      54              :         {
      55         2496 :         case to_underlying(Tag::kPath): {
      56         2496 :             ClusterPathIB::Parser path;
      57         2496 :             ReturnErrorOnFailure(path.Init(reader));
      58              : 
      59         2496 :             PRETTY_PRINT_INCDEPTH();
      60         2496 :             ReturnErrorOnFailure(path.PrettyPrint());
      61         2496 :             PRETTY_PRINT_DECDEPTH();
      62              :         }
      63         2496 :         break;
      64         2496 :         case to_underlying(Tag::kDataVersion):
      65         2496 :             VerifyOrReturnError(TLV::kTLVType_UnsignedInteger == reader.GetType(), CHIP_ERROR_WRONG_TLV_TYPE);
      66              : 
      67              : #if CHIP_DETAIL_LOGGING
      68              :             {
      69              :                 chip::DataVersion version;
      70         2496 :                 ReturnErrorOnFailure(reader.Get(version));
      71         2496 :                 PRETTY_PRINT("\tDataVersion = 0x%" PRIx32 ",", version);
      72              :             }
      73              : #endif // CHIP_DETAIL_LOGGING
      74         2496 :             break;
      75            0 :         default:
      76            0 :             PRETTY_PRINT("Unknown tag num %" PRIu32, tagNum);
      77            0 :             break;
      78              :         }
      79              :     }
      80         2496 :     PRETTY_PRINT("},");
      81         2496 :     PRETTY_PRINT_BLANK_LINE();
      82              : 
      83              :     // if we have exhausted this container
      84         2496 :     if (CHIP_END_OF_TLV == err)
      85              :     {
      86         2496 :         err = CHIP_NO_ERROR;
      87              :     }
      88         2496 :     ReturnErrorOnFailure(err);
      89         2496 :     return reader.ExitContainer(mOuterContainerType);
      90              : }
      91              : #endif // CHIP_CONFIG_IM_PRETTY_PRINT
      92              : 
      93         2493 : CHIP_ERROR DataVersionFilterIB::Parser::GetPath(ClusterPathIB::Parser * const apPath) const
      94              : {
      95         2493 :     TLV::TLVReader reader;
      96         2493 :     ReturnErrorOnFailure(mReader.FindElementWithTag(TLV::ContextTag(Tag::kPath), reader));
      97         2493 :     return apPath->Init(reader);
      98              : }
      99              : 
     100         2493 : CHIP_ERROR DataVersionFilterIB::Parser::GetDataVersion(chip::DataVersion * const apVersion) const
     101              : {
     102         2493 :     return GetUnsignedInteger(to_underlying(Tag::kDataVersion), apVersion);
     103              : }
     104              : 
     105         3020 : ClusterPathIB::Builder & DataVersionFilterIB::Builder::CreatePath()
     106              : {
     107         3020 :     if (mError == CHIP_NO_ERROR)
     108              :     {
     109         3020 :         mError = mPath.Init(mpWriter, to_underlying(Tag::kPath));
     110              :     }
     111         3020 :     return mPath;
     112              : }
     113              : 
     114         2909 : DataVersionFilterIB::Builder & DataVersionFilterIB::Builder::DataVersion(const chip::DataVersion aDataVersion)
     115              : {
     116              :     // skip if error has already been set
     117         2909 :     if (mError == CHIP_NO_ERROR)
     118              :     {
     119         2909 :         mError = mpWriter->Put(TLV::ContextTag(Tag::kDataVersion), aDataVersion);
     120              :     }
     121         2909 :     return *this;
     122              : }
     123              : 
     124         2909 : CHIP_ERROR DataVersionFilterIB::Builder::EndOfDataVersionFilterIB()
     125              : {
     126         2909 :     EndOfContainer();
     127         2909 :     return GetError();
     128              : }
     129              : } // namespace app
     130              : } // namespace chip