| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| #include "CompressionCodec.h" |
| #include "CompressionCodecLZ4.h" |
| #include "CompressionCodecZLib.h" |
| #include "CompressionCodecZstd.h" |
| #include "CompressionCodecSnappy.h" |
| |
| #include <cassert> |
| |
| using namespace pulsar; |
| namespace pulsar { |
| |
| CompressionCodecNone CompressionCodecProvider::compressionCodecNone_; |
| CompressionCodecLZ4 CompressionCodecProvider::compressionCodecLZ4_; |
| CompressionCodecZLib CompressionCodecProvider::compressionCodecZLib_; |
| CompressionCodecZstd CompressionCodecProvider::compressionCodecZstd_; |
| CompressionCodecSnappy CompressionCodecProvider::compressionCodecSnappy_; |
| |
| CompressionCodec& CompressionCodecProvider::getCodec(CompressionType compressionType) { |
| switch (compressionType) { |
| case CompressionLZ4: |
| return compressionCodecLZ4_; |
| case CompressionZLib: |
| return compressionCodecZLib_; |
| case CompressionZSTD: |
| return compressionCodecZstd_; |
| case CompressionSNAPPY: |
| return compressionCodecSnappy_; |
| default: |
| return compressionCodecNone_; |
| } |
| BOOST_THROW_EXCEPTION(std::logic_error("Invalid CompressionType enumeration value")); |
| } |
| |
| CompressionType CompressionCodecProvider::convertType(proto::CompressionType type) { |
| switch (type) { |
| case proto::NONE: |
| return CompressionNone; |
| case proto::LZ4: |
| return CompressionLZ4; |
| case proto::ZLIB: |
| return CompressionZLib; |
| case proto::ZSTD: |
| return CompressionZSTD; |
| case proto::SNAPPY: |
| return CompressionSNAPPY; |
| } |
| BOOST_THROW_EXCEPTION(std::logic_error("Invalid proto::CompressionType enumeration value")); |
| } |
| |
| proto::CompressionType CompressionCodecProvider::convertType(CompressionType type) { |
| switch (type) { |
| case CompressionNone: |
| return proto::NONE; |
| case CompressionLZ4: |
| return proto::LZ4; |
| case CompressionZLib: |
| return proto::ZLIB; |
| case CompressionZSTD: |
| return proto::ZSTD; |
| case CompressionSNAPPY: |
| return proto::SNAPPY; |
| } |
| BOOST_THROW_EXCEPTION(std::logic_error("Invalid CompressionType enumeration value")); |
| } |
| |
| SharedBuffer CompressionCodecNone::encode(const SharedBuffer& raw) { return raw; } |
| |
| bool CompressionCodecNone::decode(const SharedBuffer& encoded, uint32_t uncompressedSize, |
| SharedBuffer& decoded) { |
| decoded = encoded; |
| return true; |
| } |
| } // namespace pulsar |