Line data    Source code

       1              : /*
       2              :  *
       3              :  *    Copyright (c) 2021 Project CHIP Authors
       4              :  *    All rights reserved.
       5              :  *
       6              :  *    Licensed under the Apache License, Version 2.0 (the "License");
       7              :  *    you may not use this file except in compliance with the License.
       8              :  *    You may obtain a copy of the License at
       9              :  *
      10              :  *        http://www.apache.org/licenses/LICENSE-2.0
      11              :  *
      12              :  *    Unless required by applicable law or agreed to in writing, software
      13              :  *    distributed under the License is distributed on an "AS IS" BASIS,
      14              :  *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      15              :  *    See the License for the specific language governing permissions and
      16              :  *    limitations under the License.
      17              :  */
      18              : 
      19              : #include "TimedRequest.h"
      20              : 
      21              : #include <app/MessageDef/TimedRequestMessage.h>
      22              : #include <app/StatusResponse.h>
      23              : #include <protocols/interaction_model/Constants.h>
      24              : #include <system/TLVPacketBufferBackingStore.h>
      25              : #include <transport/SessionManager.h>
      26              : 
      27              : namespace chip {
      28              : namespace app {
      29              : 
      30              : using namespace Protocols::InteractionModel;
      31              : using namespace Messaging;
      32              : 
      33            0 : CHIP_ERROR TimedRequest::Send(ExchangeContext * aExchangeContext, uint16_t aTimeoutMs)
      34              : {
      35              :     // The payload is an anonymous struct (2 bytes) containing a single
      36              :     // 16-bit integer with two context tag (1 control byte, 1 byte tag, at
      37              :     // most 2 bytes for the timeout integer and 1 control byte, 1 byte tag, one byte for InteractionModelRevision).  Use
      38              :     // MessagePacketBuffer::New to account for other message-global overheads (MIC, etc).
      39            0 :     System::PacketBufferHandle payload = MessagePacketBuffer::New(9);
      40            0 :     VerifyOrReturnError(!payload.IsNull(), CHIP_ERROR_NO_MEMORY);
      41              : 
      42            0 :     System::PacketBufferTLVWriter writer;
      43            0 :     writer.Init(std::move(payload));
      44              : 
      45            0 :     TimedRequestMessage::Builder builder;
      46            0 :     ReturnErrorOnFailure(builder.Init(&writer));
      47              : 
      48            0 :     builder.TimeoutMs(aTimeoutMs);
      49            0 :     ReturnErrorOnFailure(builder.GetError());
      50              : 
      51            0 :     ReturnErrorOnFailure(writer.Finalize(&payload));
      52              : 
      53            0 :     return aExchangeContext->SendMessage(MsgType::TimedRequest, std::move(payload), SendMessageFlags::kExpectResponse);
      54            0 : }
      55              : 
      56              : } // namespace app
      57              : } // namespace chip