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