src/type3_AndroidCloud/anbox-master/external/android-emugl/shared/OpenglCodecCommon/ChecksumCalculatorThreadInfo.h

   1 /*
   2 * Copyright (C) 2016 The Android Open Source Project
   3 *
   4 * Licensed under the Apache License, Version 2.0 (the "License");
   5 * you may not use this file except in compliance with the License.
   6 * You may obtain a copy of the License at
   7 *
   8 * http://www.apache.org/licenses/LICENSE-2.0
   9 *
  10 * Unless required by applicable law or agreed to in writing, software
  11 * distributed under the License is distributed on an "AS IS" BASIS,
  12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 * See the License for the specific language governing permissions and
  14 * limitations under the License.
  15 */
  16
  17 #pragma once
  18
  19 #include "ChecksumCalculator.h"
  20
  21 // ChecksumCalculatorThreadInfo is the class that makes ChecksumCalculator
  22 // thread-safe. On the host, please only use ChecksumCalculator through this
  23 // class.
  24
  25 class ChecksumCalculatorThreadInfo {
  26 public:
  27     ChecksumCalculatorThreadInfo();
  28     ~ChecksumCalculatorThreadInfo();
  29
  30     static uint32_t getVersion();
  31     static bool setVersion(uint32_t version);
  32
  33     static uint32_t getMaxVersion();
  34     static const char* getMaxVersionString() {
  35         return ChecksumCalculator::getMaxVersionStr();
  36     }
  37
  38     static size_t checksumByteSize();
  39     static bool writeChecksum(void* buf,
  40                               size_t bufLen,
  41                               void* outputChecksum,
  42                               size_t outputChecksumLen);
  43
  44     static bool validate(void* buf,
  45                          size_t bufLen,
  46                          void* checksum,
  47                          size_t checksumLen);
  48     static void validOrDie(void* buf,
  49                            size_t bufLen,
  50                            void* checksum,
  51                            size_t checksumLen,
  52                            const char* message);
  53
  54 private:
  55     ChecksumCalculator m_protocol;
  56 };