Line data    Source code

       1             : /*
       2             :  *
       3             :  *    Copyright (c) 2023 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 "BdxTransferProxyDiagnosticLog.h"
      20             : 
      21             : #include <lib/core/CHIPSafeCasts.h>
      22             : #include <lib/support/CHIPMemString.h>
      23             : #include <platform/LockTracker.h>
      24             : 
      25             : namespace chip {
      26             : namespace bdx {
      27             : 
      28           0 : CHIP_ERROR BDXTransferProxyDiagnosticLog::Init(TransferSession * transferSession)
      29             : {
      30           0 :     VerifyOrReturnError(nullptr != transferSession, CHIP_ERROR_INVALID_ARGUMENT);
      31           0 :     VerifyOrReturnError(nullptr == mTransfer, CHIP_ERROR_INCORRECT_STATE);
      32             : 
      33           0 :     uint16_t fileDesignatorLength = 0;
      34           0 :     auto fileDesignator           = transferSession->GetFileDesignator(fileDesignatorLength);
      35             : 
      36           0 :     VerifyOrReturnError(fileDesignatorLength > 0, CHIP_ERROR_INVALID_STRING_LENGTH);
      37           0 :     VerifyOrReturnError(fileDesignatorLength <= ArraySize(mFileDesignator), CHIP_ERROR_INVALID_STRING_LENGTH);
      38             : 
      39           0 :     mTransfer          = transferSession;
      40           0 :     mFileDesignatorLen = static_cast<uint8_t>(fileDesignatorLength);
      41           0 :     memcpy(mFileDesignator, fileDesignator, fileDesignatorLength);
      42           0 :     return CHIP_NO_ERROR;
      43             : }
      44             : 
      45           0 : CHIP_ERROR BDXTransferProxyDiagnosticLog::Accept()
      46             : {
      47           0 :     ReturnErrorOnFailure(EnsureState());
      48           0 :     VerifyOrReturnError(nullptr != mTransfer, CHIP_ERROR_INCORRECT_STATE);
      49             : 
      50           0 :     TransferSession::TransferAcceptData acceptData;
      51           0 :     acceptData.ControlMode  = TransferControlFlags::kSenderDrive;
      52           0 :     acceptData.MaxBlockSize = mTransfer->GetTransferBlockSize();
      53           0 :     acceptData.StartOffset  = mTransfer->GetStartOffset();
      54           0 :     acceptData.Length       = mTransfer->GetTransferLength();
      55             : 
      56           0 :     return mTransfer->AcceptTransfer(acceptData);
      57             : }
      58             : 
      59           0 : CHIP_ERROR BDXTransferProxyDiagnosticLog::Reject(CHIP_ERROR error)
      60             : {
      61           0 :     ReturnErrorOnFailure(EnsureState());
      62           0 :     VerifyOrReturnError(nullptr != mTransfer, CHIP_ERROR_INCORRECT_STATE);
      63             : 
      64           0 :     auto statusCode = GetBdxStatusCodeFromChipError(error);
      65           0 :     return mTransfer->AbortTransfer(statusCode);
      66             : }
      67             : 
      68           0 : CHIP_ERROR BDXTransferProxyDiagnosticLog::Continue()
      69             : {
      70           0 :     ReturnErrorOnFailure(EnsureState());
      71           0 :     VerifyOrReturnError(nullptr != mTransfer, CHIP_ERROR_INCORRECT_STATE);
      72             : 
      73           0 :     return mTransfer->PrepareBlockAck();
      74             : }
      75             : 
      76           0 : void BDXTransferProxyDiagnosticLog::Reset()
      77             : {
      78           0 :     ReturnOnFailure(EnsureState());
      79           0 :     VerifyOrReturn(nullptr != mTransfer);
      80             : 
      81           0 :     memset(mFileDesignator, 0, sizeof(mFileDesignator));
      82           0 :     mFileDesignatorLen = 0;
      83           0 :     mTransfer          = nullptr;
      84           0 :     mFabricIndex       = kUndefinedFabricIndex;
      85           0 :     mPeerNodeId        = kUndefinedNodeId;
      86             : }
      87             : 
      88           0 : CHIP_ERROR BDXTransferProxyDiagnosticLog::EnsureState() const
      89             : {
      90           0 :     assertChipStackLockedByCurrentThread();
      91           0 :     VerifyOrReturnError(kUndefinedFabricIndex != mFabricIndex, CHIP_ERROR_INCORRECT_STATE);
      92           0 :     VerifyOrReturnError(kUndefinedNodeId != mPeerNodeId, CHIP_ERROR_INCORRECT_STATE);
      93             : 
      94           0 :     return CHIP_NO_ERROR;
      95             : }
      96             : 
      97             : } // namespace bdx
      98             : } // namespace chip