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/**
*
* Copyright (c) 2020 Project CHIP Authors
* Copyright (c) 2018 Google LLC.
* Copyright (c) 2016-2017 Nest Labs, Inc.
* 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 "CommandDataIB.h"
#include "MessageDefHelper.h"
#include <inttypes.h>
#include <stdarg.h>
#include <stdio.h>
#include <app/AppConfig.h>
namespace chip {
namespace app {
#if CHIP_CONFIG_IM_ENABLE_SCHEMA_CHECK
CHIP_ERROR CommandDataIB::Parser::CheckSchemaValidity() const
{
CHIP_ERROR err = CHIP_NO_ERROR;
int tagPresenceMask = 0;
TLV::TLVReader reader;
PRETTY_PRINT("CommandDataIB =");
PRETTY_PRINT("{");
// make a copy of the reader
reader.Init(mReader);
while (CHIP_NO_ERROR == (err = reader.Next()))
{
if (!TLV::IsContextTag(reader.GetTag()))
{
continue;
}
uint32_t tagNum = TLV::TagNumFromTag(reader.GetTag());
switch (tagNum)
{
case to_underlying(Tag::kPath):
// check if this tag has appeared before
VerifyOrReturnError(!(tagPresenceMask & (1 << to_underlying(Tag::kPath))), CHIP_ERROR_INVALID_TLV_TAG);
tagPresenceMask |= (1 << to_underlying(Tag::kPath));
{
CommandPathIB::Parser path;
ReturnErrorOnFailure(path.Init(reader));
PRETTY_PRINT_INCDEPTH();
ReturnErrorOnFailure(path.CheckSchemaValidity());
PRETTY_PRINT_DECDEPTH();
}
break;
case to_underlying(Tag::kFields):
// check if this tag has appeared before
VerifyOrReturnError(!(tagPresenceMask & (1 << to_underlying(Tag::kFields))), CHIP_ERROR_INVALID_TLV_TAG);
tagPresenceMask |= (1 << to_underlying(Tag::kFields));
PRETTY_PRINT_INCDEPTH();
ReturnErrorOnFailure(CheckIMPayload(reader, 0, "CommandFields"));
PRETTY_PRINT_DECDEPTH();
break;
default:
PRETTY_PRINT("Unknown tag num %" PRIu32, tagNum);
break;
}
}
PRETTY_PRINT("},");
PRETTY_PRINT_BLANK_LINE();
if (CHIP_END_OF_TLV == err)
{
const int requiredFields = 1 << to_underlying(Tag::kPath);
err = (tagPresenceMask & requiredFields) == requiredFields ? CHIP_NO_ERROR : CHIP_ERROR_IM_MALFORMED_COMMAND_DATA_IB;
}
ReturnErrorOnFailure(err);
return reader.ExitContainer(mOuterContainerType);
}
#endif // CHIP_CONFIG_IM_ENABLE_SCHEMA_CHECK
CHIP_ERROR CommandDataIB::Parser::GetPath(CommandPathIB::Parser * const apPath) const
{
TLV::TLVReader reader;
ReturnErrorOnFailure(mReader.FindElementWithTag(TLV::ContextTag(to_underlying(Tag::kPath)), reader));
return apPath->Init(reader);
}
CHIP_ERROR CommandDataIB::Parser::GetFields(TLV::TLVReader * const apReader) const
{
ReturnErrorOnFailure(mReader.FindElementWithTag(TLV::ContextTag(to_underlying(Tag::kFields)), *apReader));
return CHIP_NO_ERROR;
}
CommandPathIB::Builder & CommandDataIB::Builder::CreatePath()
{
mError = mPath.Init(mpWriter, to_underlying(Tag::kPath));
return mPath;
}
CommandDataIB::Builder & CommandDataIB::Builder::EndOfCommandDataIB()
{
EndOfContainer();
return *this;
}
} // namespace app
} // namespace chip