1/*
2 * Copyright (C) 2013 University of Szeged
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY UNIVERSITY OF SZEGED ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL UNIVERSITY OF SZEGED OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#ifndef CurlCacheEntry_h
28#define CurlCacheEntry_h
29
30#include "FileSystem.h"
31#include "HTTPHeaderMap.h"
32#include "ResourceHandle.h"
33#include "ResourceRequest.h"
34#include "ResourceResponse.h"
35#include <wtf/Vector.h>
36#include <wtf/text/CString.h>
37#include <wtf/text/WTFString.h>
38
39namespace WebCore {
40
41class CurlCacheEntry {
42
43public:
44    CurlCacheEntry(const String& url, ResourceHandle* job, const String& cacheDir);
45    ~CurlCacheEntry();
46
47    bool isCached();
48    bool isLoading();
49    size_t entrySize();
50    HTTPHeaderMap& requestHeaders() { return m_requestHeaders; }
51
52    bool saveCachedData(const char* data, size_t);
53    bool readCachedData(ResourceHandle*);
54
55    bool saveResponseHeaders(const ResourceResponse&);
56    void setResponseFromCachedHeaders(ResourceResponse&);
57
58    void invalidate();
59    void didFail();
60    void didFinishLoading();
61
62    bool parseResponseHeaders(const ResourceResponse&);
63
64    const ResourceHandle* getJob() const { return m_job; }
65
66private:
67    String m_basename;
68    String m_headerFilename;
69    String m_contentFilename;
70
71    PlatformFileHandle m_contentFile;
72
73    size_t m_entrySize;
74    double m_expireDate;
75    bool m_headerParsed;
76
77    ResourceResponse m_cachedResponse;
78    HTTPHeaderMap m_requestHeaders;
79
80    ResourceHandle* m_job;
81
82    void generateBaseFilename(const CString& url);
83    bool loadFileToBuffer(const String& filepath, Vector<char>& buffer);
84    bool loadResponseHeaders();
85
86    bool openContentFile();
87    bool closeContentFile();
88};
89
90}
91
92#endif // CurlCacheEntry_h
93