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 <= ArraySize(mFileDesignator), CHIP_ERROR_INVALID_STRING_LENGTH);
      37              : 
      38            0 :     mTransfer          = transferSession;
      39            0 :     mFileDesignatorLen = static_cast<uint8_t>(fileDesignatorLength);
      40            0 :     memcpy(mFileDesignator, fileDesignator, fileDesignatorLength);
      41            0 :     return CHIP_NO_ERROR;
      42              : }
      43              : 
      44            0 : CHIP_ERROR BDXTransferProxyDiagnosticLog::Accept()
      45              : {
      46            0 :     ReturnErrorOnFailure(EnsureState());
      47            0 :     VerifyOrReturnError(nullptr != mTransfer, CHIP_ERROR_INCORRECT_STATE);
      48              : 
      49            0 :     TransferSession::TransferAcceptData acceptData;
      50            0 :     acceptData.ControlMode  = TransferControlFlags::kSenderDrive;
      51            0 :     acceptData.MaxBlockSize = mTransfer->GetTransferBlockSize();
      52            0 :     acceptData.StartOffset  = mTransfer->GetStartOffset();
      53            0 :     acceptData.Length       = mTransfer->GetTransferLength();
      54              : 
      55            0 :     return mTransfer->AcceptTransfer(acceptData);
      56              : }
      57              : 
      58            0 : CHIP_ERROR BDXTransferProxyDiagnosticLog::Reject(CHIP_ERROR error)
      59              : {
      60            0 :     ReturnErrorOnFailure(EnsureState());
      61            0 :     VerifyOrReturnError(nullptr != mTransfer, CHIP_ERROR_INCORRECT_STATE);
      62              : 
      63            0 :     auto statusCode = GetBdxStatusCodeFromChipError(error);
      64            0 :     return mTransfer->AbortTransfer(statusCode);
      65              : }
      66              : 
      67            0 : CHIP_ERROR BDXTransferProxyDiagnosticLog::Continue()
      68              : {
      69            0 :     ReturnErrorOnFailure(EnsureState());
      70            0 :     VerifyOrReturnError(nullptr != mTransfer, CHIP_ERROR_INCORRECT_STATE);
      71              : 
      72            0 :     return mTransfer->PrepareBlockAck();
      73              : }
      74              : 
      75            0 : void BDXTransferProxyDiagnosticLog::Reset()
      76              : {
      77            0 :     ReturnOnFailure(EnsureState());
      78            0 :     VerifyOrReturn(nullptr != mTransfer);
      79              : 
      80            0 :     memset(mFileDesignator, 0, sizeof(mFileDesignator));
      81            0 :     mFileDesignatorLen = 0;
      82            0 :     mTransfer          = nullptr;
      83            0 :     mFabricIndex       = kUndefinedFabricIndex;
      84            0 :     mPeerNodeId        = kUndefinedNodeId;
      85              : }
      86              : 
      87            0 : CHIP_ERROR BDXTransferProxyDiagnosticLog::EnsureState() const
      88              : {
      89            0 :     assertChipStackLockedByCurrentThread();
      90            0 :     VerifyOrReturnError(kUndefinedFabricIndex != mFabricIndex, CHIP_ERROR_INCORRECT_STATE);
      91            0 :     VerifyOrReturnError(kUndefinedNodeId != mPeerNodeId, CHIP_ERROR_INCORRECT_STATE);
      92              : 
      93            0 :     return CHIP_NO_ERROR;
      94              : }
      95              : 
      96              : } // namespace bdx
      97              : } // namespace chip