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Side by Side Diff: net/http/http_vary_data.h

Issue 7529043: Rename NET_API to NET_EXPORT, and rename NET_TEST to NET_EXPORT_PRIVATE. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: '' Created 9 years, 4 months ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef NET_HTTP_HTTP_VARY_DATA_H_ 5 #ifndef NET_HTTP_HTTP_VARY_DATA_H_
6 #define NET_HTTP_HTTP_VARY_DATA_H_ 6 #define NET_HTTP_HTTP_VARY_DATA_H_
7 #pragma once 7 #pragma once
8 8
9 #include "base/md5.h" 9 #include "base/md5.h"
10 #include "net/base/net_api.h" 10 #include "net/base/net_export.h"
11 11
12 class Pickle; 12 class Pickle;
13 13
14 namespace net { 14 namespace net {
15 15
16 struct HttpRequestInfo; 16 struct HttpRequestInfo;
17 class HttpResponseHeaders; 17 class HttpResponseHeaders;
18 18
19 // Used to implement the HTTP/1.1 Vary header. This class contains a MD5 hash 19 // Used to implement the HTTP/1.1 Vary header. This class contains a MD5 hash
20 // over the request headers indicated by a Vary header. 20 // over the request headers indicated by a Vary header.
21 // 21 //
22 // While RFC 2616 requires strict request header comparisons, it is much 22 // While RFC 2616 requires strict request header comparisons, it is much
23 // cheaper to store a MD5 sum, which should be sufficient. Storing a hash also 23 // cheaper to store a MD5 sum, which should be sufficient. Storing a hash also
24 // avoids messy privacy issues as some of the request headers could hold 24 // avoids messy privacy issues as some of the request headers could hold
25 // sensitive data (e.g., cookies). 25 // sensitive data (e.g., cookies).
26 // 26 //
27 // NOTE: This class does not hold onto the contents of the Vary header. 27 // NOTE: This class does not hold onto the contents of the Vary header.
28 // Instead, it relies on the consumer to store that and to supply it again to 28 // Instead, it relies on the consumer to store that and to supply it again to
29 // the MatchesRequest function for comparing against future HTTP requests. 29 // the MatchesRequest function for comparing against future HTTP requests.
30 // 30 //
31 class NET_TEST HttpVaryData { 31 class NET_EXPORT_PRIVATE HttpVaryData {
32 public: 32 public:
33 HttpVaryData(); 33 HttpVaryData();
34 34
35 bool is_valid() const { return is_valid_; } 35 bool is_valid() const { return is_valid_; }
36 36
37 // Initialize from a request and its corresponding response headers. 37 // Initialize from a request and its corresponding response headers.
38 // 38 //
39 // Returns true if a Vary header was found in the response headers and that 39 // Returns true if a Vary header was found in the response headers and that
40 // Vary header was not empty and did not contain the '*' value. Upon 40 // Vary header was not empty and did not contain the '*' value. Upon
41 // success, the object is also marked as valid such that is_valid() will 41 // success, the object is also marked as valid such that is_valid() will
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77 // A digested version of the request headers corresponding to the Vary header. 77 // A digested version of the request headers corresponding to the Vary header.
78 base::MD5Digest request_digest_; 78 base::MD5Digest request_digest_;
79 79
80 // True when request_digest_ contains meaningful data. 80 // True when request_digest_ contains meaningful data.
81 bool is_valid_; 81 bool is_valid_;
82 }; 82 };
83 83
84 } // namespace net 84 } // namespace net
85 85
86 #endif // NET_HTTP_HTTP_VARY_DATA_H_ 86 #endif // NET_HTTP_HTTP_VARY_DATA_H_
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