[120] | 1 | /** |
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| 2 | * Licensed to the Apache Software Foundation (ASF) under one |
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| 3 | * or more contributor license agreements. See the NOTICE file |
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| 4 | * distributed with this work for additional information |
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| 5 | * regarding copyright ownership. The ASF licenses this file |
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| 6 | * to you under the Apache License, Version 2.0 (the |
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| 7 | * "License"); you may not use this file except in compliance |
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| 8 | * with the License. You may obtain a copy of the License at |
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| 9 | * |
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| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 11 | * |
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| 12 | * Unless required by applicable law or agreed to in writing, software |
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| 13 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 15 | * See the License for the specific language governing permissions and |
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| 16 | * limitations under the License. |
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| 17 | */ |
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| 18 | |
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| 19 | #ifndef FILESTREAM_HH_ |
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| 20 | #define FILESTREAM_HH_ |
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| 21 | |
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| 22 | #include <stdio.h> |
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| 23 | #include <stdint.h> |
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| 24 | #include <string> |
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| 25 | #include "recordio.hh" |
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| 26 | |
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| 27 | namespace hadoop { |
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| 28 | |
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| 29 | class FileInStream : public InStream { |
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| 30 | public: |
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| 31 | FileInStream(); |
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| 32 | bool open(const std::string& name); |
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| 33 | ssize_t read(void *buf, size_t buflen); |
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| 34 | bool skip(size_t nbytes); |
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| 35 | bool close(); |
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| 36 | virtual ~FileInStream(); |
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| 37 | private: |
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| 38 | FILE *mFile; |
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| 39 | }; |
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| 40 | |
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| 41 | |
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| 42 | class FileOutStream: public OutStream { |
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| 43 | public: |
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| 44 | FileOutStream(); |
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| 45 | bool open(const std::string& name, bool overwrite); |
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| 46 | ssize_t write(const void* buf, size_t len); |
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| 47 | bool advance(size_t nbytes); |
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| 48 | bool close(); |
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| 49 | virtual ~FileOutStream(); |
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| 50 | private: |
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| 51 | FILE *mFile; |
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| 52 | }; |
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| 53 | |
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| 54 | }; // end namespace |
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| 55 | #endif /*FILESTREAM_HH_*/ |
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