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

Issue 12310075: Cache failover to LOAD_PREFERRING_CACHE if network response suggests offline. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Incorporated most comments; responded with questions to a few. Created 7 years, 9 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_RESPONSE_INFO_H_ 5 #ifndef NET_HTTP_HTTP_RESPONSE_INFO_H_
6 #define NET_HTTP_HTTP_RESPONSE_INFO_H_ 6 #define NET_HTTP_HTTP_RESPONSE_INFO_H_
7 7
8 #include <string> 8 #include <string>
9 9
10 #include "base/time.h" 10 #include "base/time.h"
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41 41
42 // The following is only defined if the request_time member is set. 42 // The following is only defined if the request_time member is set.
43 // If this response was resurrected from cache, then this bool is set, and 43 // If this response was resurrected from cache, then this bool is set, and
44 // request_time may corresponds to a time "far" in the past. Note that 44 // request_time may corresponds to a time "far" in the past. Note that
45 // stale content (perhaps un-cacheable) may be fetched from cache subject to 45 // stale content (perhaps un-cacheable) may be fetched from cache subject to
46 // the load flags specified on the request info. For example, this is done 46 // the load flags specified on the request info. For example, this is done
47 // when a user presses the back button to re-render pages, or at startup, 47 // when a user presses the back button to re-render pages, or at startup,
48 // when reloading previously visited pages (without going over the network). 48 // when reloading previously visited pages (without going over the network).
49 bool was_cached; 49 bool was_cached;
50 50
51 // True if the request was fetched from cache rather than the network
52 // because of a LOAD_FROM_CACHE_IF_OFFLINE flag when the system
53 // was unable to contact the server.
54 bool was_cache_override;
55
51 // True if the request was fetched over a SPDY channel. 56 // True if the request was fetched over a SPDY channel.
52 bool was_fetched_via_spdy; 57 bool was_fetched_via_spdy;
53 58
54 // True if the npn was negotiated for this request. 59 // True if the npn was negotiated for this request.
55 bool was_npn_negotiated; 60 bool was_npn_negotiated;
56 61
57 // True if the request was fetched via an explicit proxy. The proxy could 62 // True if the request was fetched via an explicit proxy. The proxy could
58 // be any type of proxy, HTTP or SOCKS. Note, we do not know if a 63 // be any type of proxy, HTTP or SOCKS. Note, we do not know if a
59 // transparent proxy may have been involved. 64 // transparent proxy may have been involved.
60 bool was_fetched_via_proxy; 65 bool was_fetched_via_proxy;
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98 // The "Vary" header data for this response. 103 // The "Vary" header data for this response.
99 HttpVaryData vary_data; 104 HttpVaryData vary_data;
100 105
101 // Any metadata asociated with this resource's cached data. 106 // Any metadata asociated with this resource's cached data.
102 scoped_refptr<IOBufferWithSize> metadata; 107 scoped_refptr<IOBufferWithSize> metadata;
103 }; 108 };
104 109
105 } // namespace net 110 } // namespace net
106 111
107 #endif // NET_HTTP_HTTP_RESPONSE_INFO_H_ 112 #endif // NET_HTTP_HTTP_RESPONSE_INFO_H_
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