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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_USAGE_
STATS_H_ | 5 #ifndef COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_BYPASS
_STATS_H_ |
6 #define COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_USAGE_
STATS_H_ | 6 #define COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_BYPASS
_STATS_H_ |
7 | 7 |
8 #include "base/callback.h" | 8 #include "base/callback.h" |
9 #include "base/prefs/pref_member.h" | 9 #include "base/prefs/pref_member.h" |
10 #include "base/single_thread_task_runner.h" | 10 #include "base/single_thread_task_runner.h" |
11 #include "base/threading/thread_checker.h" | 11 #include "base/threading/thread_checker.h" |
12 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_heade
rs.h" | 12 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_heade
rs.h" |
13 #include "net/base/host_port_pair.h" | 13 #include "net/base/host_port_pair.h" |
14 #include "net/base/network_change_notifier.h" | 14 #include "net/base/network_change_notifier.h" |
15 #include "net/url_request/url_request.h" | 15 #include "net/url_request/url_request.h" |
16 | 16 |
17 namespace net { | 17 namespace net { |
18 class HttpResponseHeaders; | 18 class HttpResponseHeaders; |
19 class ProxyConfig; | 19 class ProxyConfig; |
20 class ProxyServer; | 20 class ProxyServer; |
21 } | 21 } |
22 | 22 |
23 namespace data_reduction_proxy { | 23 namespace data_reduction_proxy { |
24 | 24 |
25 class DataReductionProxyConfig; | 25 class DataReductionProxyConfig; |
26 | 26 |
27 // TODO(bengr): Rename as DataReductionProxyBypassStats. | 27 class DataReductionProxyBypassStats |
28 class DataReductionProxyUsageStats | |
29 : public net::NetworkChangeNotifier::NetworkChangeObserver { | 28 : public net::NetworkChangeNotifier::NetworkChangeObserver { |
30 public: | 29 public: |
31 typedef base::Callback<void(bool /* unreachable */)> UnreachableCallback; | 30 typedef base::Callback<void(bool /* unreachable */)> UnreachableCallback; |
32 | 31 |
33 // Records a data reduction proxy bypass event as a "BlockType" if | 32 // Records a data reduction proxy bypass event as a "BlockType" if |
34 // |bypass_all| is true and as a "BypassType" otherwise. Records the event as | 33 // |bypass_all| is true and as a "BypassType" otherwise. Records the event as |
35 // "Primary" if |is_primary| is true and "Fallback" otherwise. | 34 // "Primary" if |is_primary| is true and "Fallback" otherwise. |
36 static void RecordDataReductionProxyBypassInfo( | 35 static void RecordDataReductionProxyBypassInfo( |
37 bool is_primary, | 36 bool is_primary, |
38 bool bypass_all, | 37 bool bypass_all, |
39 const net::ProxyServer& proxy_server, | 38 const net::ProxyServer& proxy_server, |
40 DataReductionProxyBypassType bypass_type); | 39 DataReductionProxyBypassType bypass_type); |
41 | 40 |
42 // For the given response |headers| that are expected to include the data | 41 // For the given response |headers| that are expected to include the data |
43 // reduction proxy via header, records response code UMA if the data reduction | 42 // reduction proxy via header, records response code UMA if the data reduction |
44 // proxy via header is not present. | 43 // proxy via header is not present. |
45 static void DetectAndRecordMissingViaHeaderResponseCode( | 44 static void DetectAndRecordMissingViaHeaderResponseCode( |
46 bool is_primary, | 45 bool is_primary, |
47 const net::HttpResponseHeaders* headers); | 46 const net::HttpResponseHeaders* headers); |
48 | 47 |
49 // |params| outlives this class instance. |unreachable_callback| provides a | 48 // |params| outlives this class instance. |unreachable_callback| provides a |
50 // hook to inform the user that the Data Reduction Proxy is unreachable, which | 49 // hook to inform the user that the Data Reduction Proxy is unreachable, which |
51 // occurs on the UI thread, hence the |ui_task_runner|. | 50 // occurs on the UI thread, hence the |ui_task_runner|. |
52 // |config| must not be null. | 51 // |config| must not be null. |
53 DataReductionProxyUsageStats( | 52 DataReductionProxyBypassStats( |
54 DataReductionProxyConfig* config, | 53 DataReductionProxyConfig* config, |
55 UnreachableCallback unreachable_callback, | 54 UnreachableCallback unreachable_callback, |
56 const scoped_refptr<base::SingleThreadTaskRunner>& ui_task_runner); | 55 const scoped_refptr<base::SingleThreadTaskRunner>& ui_task_runner); |
57 | 56 |
58 ~DataReductionProxyUsageStats() override; | 57 ~DataReductionProxyBypassStats() override; |
59 | 58 |
60 // Callback intended to be called from |DataReductionProxyNetworkDelegate| | 59 // Callback intended to be called from |DataReductionProxyNetworkDelegate| |
61 // when a request completes. This method is used to gather usage stats. | 60 // when a request completes. This method is used to gather bypass stats. |
62 void OnUrlRequestCompleted(const net::URLRequest* request, bool started); | 61 void OnUrlRequestCompleted(const net::URLRequest* request, bool started); |
63 | 62 |
64 // Records the last bypass reason to |bypass_type_| and sets | 63 // Records the last bypass reason to |bypass_type_| and sets |
65 // |triggering_request_| to true. A triggering request is the first request to | 64 // |triggering_request_| to true. A triggering request is the first request to |
66 // cause the current bypass. | 65 // cause the current bypass. |
67 void SetBypassType(DataReductionProxyBypassType type); | 66 void SetBypassType(DataReductionProxyBypassType type); |
68 | 67 |
69 // Visible for testing. | 68 // Visible for testing. |
70 DataReductionProxyBypassType GetBypassType() const; | 69 DataReductionProxyBypassType GetBypassType() const; |
71 | 70 |
72 // Records all the data reduction proxy bytes-related histograms for the | 71 // Records all the data reduction proxy bytes-related histograms for the |
73 // completed URLRequest |request|. | 72 // completed URLRequest |request|. |
74 void RecordBytesHistograms( | 73 void RecordBytesHistograms( |
75 const net::URLRequest& request, | 74 const net::URLRequest& request, |
76 const BooleanPrefMember& data_reduction_proxy_enabled, | 75 const BooleanPrefMember& data_reduction_proxy_enabled, |
77 const net::ProxyConfig& data_reduction_proxy_config); | 76 const net::ProxyConfig& data_reduction_proxy_config); |
78 | 77 |
79 // Called by |ChromeNetworkDelegate| when a proxy is put into the bad proxy | 78 // Called by |ChromeNetworkDelegate| when a proxy is put into the bad proxy |
80 // list. Used to track when the data reduction proxy falls back. | 79 // list. Used to track when the data reduction proxy falls back. |
81 void OnProxyFallback(const net::ProxyServer& bypassed_proxy, | 80 void OnProxyFallback(const net::ProxyServer& bypassed_proxy, |
82 int net_error); | 81 int net_error); |
83 | 82 |
84 // Called by |ChromeNetworkDelegate| when an HTTP connect has been called. | 83 // Called by |ChromeNetworkDelegate| when an HTTP connect has been called. |
85 // Used to track proxy connection failures. | 84 // Used to track proxy connection failures. |
86 void OnConnectComplete(const net::HostPortPair& proxy_server, | 85 void OnConnectComplete(const net::HostPortPair& proxy_server, |
87 int net_error); | 86 int net_error); |
88 | 87 |
89 private: | 88 private: |
90 friend class DataReductionProxyUsageStatsTest; | 89 friend class DataReductionProxyBypassStatsTest; |
91 FRIEND_TEST_ALL_PREFIXES(DataReductionProxyUsageStatsTest, | 90 FRIEND_TEST_ALL_PREFIXES(DataReductionProxyBypassStatsTest, |
92 RecordMissingViaHeaderBytes); | 91 RecordMissingViaHeaderBytes); |
93 | 92 |
94 enum BypassedBytesType { | 93 enum BypassedBytesType { |
95 NOT_BYPASSED = 0, /* Not bypassed. */ | 94 NOT_BYPASSED = 0, /* Not bypassed. */ |
96 SSL, /* Bypass due to SSL. */ | 95 SSL, /* Bypass due to SSL. */ |
97 LOCAL_BYPASS_RULES, /* Bypass due to client-side bypass rules. */ | 96 LOCAL_BYPASS_RULES, /* Bypass due to client-side bypass rules. */ |
98 PROXY_OVERRIDDEN, /* Bypass due to a proxy taking precedence. */ | 97 PROXY_OVERRIDDEN, /* Bypass due to a proxy taking precedence. */ |
99 AUDIO_VIDEO, /* Audio/Video bypass. */ | 98 AUDIO_VIDEO, /* Audio/Video bypass. */ |
100 TRIGGERING_REQUEST, /* Triggering request bypass. */ | 99 TRIGGERING_REQUEST, /* Triggering request bypass. */ |
101 NETWORK_ERROR, /* Network error. */ | 100 NETWORK_ERROR, /* Network error. */ |
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158 | 157 |
159 // Count of network errors encountered when connecting to a data reduction | 158 // Count of network errors encountered when connecting to a data reduction |
160 // proxy. | 159 // proxy. |
161 unsigned long proxy_net_errors_count_; | 160 unsigned long proxy_net_errors_count_; |
162 | 161 |
163 // Whether or not the data reduction proxy is unavailable. | 162 // Whether or not the data reduction proxy is unavailable. |
164 bool unavailable_; | 163 bool unavailable_; |
165 | 164 |
166 base::ThreadChecker thread_checker_; | 165 base::ThreadChecker thread_checker_; |
167 | 166 |
168 DISALLOW_COPY_AND_ASSIGN(DataReductionProxyUsageStats); | 167 DISALLOW_COPY_AND_ASSIGN(DataReductionProxyBypassStats); |
169 }; | 168 }; |
170 | 169 |
171 } // namespace data_reduction_proxy | 170 } // namespace data_reduction_proxy |
172 | 171 |
173 #endif // COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_USA
GE_STATS_H_ | 172 #endif // COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_BYP
ASS_STATS_H_ |
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