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comparison Core/FileStorage.h @ 0:3959d33612cc

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initial commit
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 19 Jul 2012 14:32:22 +0200
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children a15e90e5d6fc
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-1:000000000000 0:3959d33612cc
1 /**
2 * Palantir - A Lightweight, RESTful DICOM Store
3 * Copyright (C) 2012 Medical Physics Department, CHU of Liege,
4 * Belgium
5 *
6 * This program is free software: you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation, either version 3 of the
9 * License, or (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 **/
19
20
21 #pragma once
22
23 #include <boost/filesystem.hpp>
24 #include <set>
25
26 #include "Compression/BufferCompressor.h"
27
28 namespace Palantir
29 {
30 class FileStorage : public boost::noncopyable
31 {
32 friend class HttpOutput;
33
34 private:
35 std::auto_ptr<BufferCompressor> compressor_;
36
37 boost::filesystem::path root_;
38
39 boost::filesystem::path GetPath(const std::string& uuid) const;
40
41 std::string CreateFileWithoutCompression(const void* content, size_t size);
42
43 public:
44 FileStorage(std::string root);
45
46 void SetBufferCompressor(BufferCompressor* compressor) // Takes the ownership
47 {
48 compressor_.reset(compressor);
49 }
50
51 bool HasBufferCompressor() const
52 {
53 return compressor_.get() != NULL;
54 }
55
56 std::string Create(const void* content, size_t size);
57
58 std::string Create(const std::vector<uint8_t>& content);
59
60 std::string Create(const std::string& content);
61
62 void ReadFile(std::string& content,
63 const std::string& uuid) const;
64
65 void ListAllFiles(std::set<std::string>& result) const;
66
67 uintmax_t GetCompressedSize(const std::string& uuid) const;
68
69 void Clear();
70
71 void Remove(const std::string& uuid);
72
73 uintmax_t GetCapacity() const;
74
75 uintmax_t GetAvailableSpace() const;
76
77 std::string GetPath() const
78 {
79 return root_.string();
80 }
81 };
82 }