| /* |
| * 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. |
| */ |
| |
| #ifndef _HDFS_LIBHDFS_3_UTIL_WritableUtils_H_ |
| #define _HDFS_LIBHDFS_3_UTIL_WritableUtils_H_ |
| |
| #include <string> |
| |
| namespace Yarn { |
| namespace Internal { |
| |
| class WritableUtils { |
| public: |
| WritableUtils(char * b, size_t l); |
| |
| bool ReadInt32(int32_t * value); |
| |
| bool ReadInt64(int64_t * value); |
| |
| bool ReadRaw(char * buf, size_t size); |
| |
| bool ReadString(std::string & str); |
| |
| bool ReadText(std::string & str); |
| |
| bool readByte(char * byte); |
| |
| size_t WriteInt32(int32_t value); |
| |
| size_t WriteInt64(int64_t value); |
| |
| bool WriteRaw(const char * buf, size_t size); |
| |
| private: |
| int decodeWritableUtilsSize(int value); |
| |
| int readByte(); |
| |
| void writeByte(int val); |
| |
| bool isNegativeWritableUtils(int value); |
| |
| int32_t ReadBigEndian32(); |
| |
| private: |
| char * buffer; |
| size_t len; |
| size_t current; |
| }; |
| |
| } |
| } |
| #endif /* _HDFS_LIBHDFS_3_UTIL_WritableUtils_H_ */ |