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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 #include "components/ntp_snippets/remote/request_throttler.h" | 5 #include "components/ntp_snippets/remote/request_throttler.h" |
6 | 6 |
7 #include <climits> | 7 #include <climits> |
8 #include <set> | 8 #include <set> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
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34 INTERACTIVE_QUOTA_EXCEEDED, | 34 INTERACTIVE_QUOTA_EXCEEDED, |
35 REQUEST_STATUS_COUNT | 35 REQUEST_STATUS_COUNT |
36 }; | 36 }; |
37 | 37 |
38 // Quota value to use if no quota should be applied (by default). | 38 // Quota value to use if no quota should be applied (by default). |
39 const int kUnlimitedQuota = INT_MAX; | 39 const int kUnlimitedQuota = INT_MAX; |
40 | 40 |
41 } // namespace | 41 } // namespace |
42 | 42 |
43 struct RequestThrottler::RequestTypeInfo { | 43 struct RequestThrottler::RequestTypeInfo { |
44 const char* name; | 44 const char* name; |
45 const char* count_pref; | 45 const char* count_pref; |
46 const char* interactive_count_pref; | 46 const char* interactive_count_pref; |
47 const char* day_pref; | 47 const char* day_pref; |
48 const int default_quota; | 48 const int default_quota; |
49 const int default_interactive_quota; | 49 const int default_interactive_quota; |
50 }; | 50 }; |
51 | 51 |
52 // When adding a new type here, extend also the "RequestThrottlerTypes" | 52 // When adding a new type here, extend also the "RequestThrottlerTypes" |
53 // <histogram_suffixes> in histograms.xml with the |name| string. | 53 // <histogram_suffixes> in histograms.xml with the |name| string. |
54 const RequestThrottler::RequestTypeInfo RequestThrottler::kRequestTypeInfo[] = { | 54 const RequestThrottler::RequestTypeInfo RequestThrottler::kRequestTypeInfo[] = { |
55 // The following three types share the same prefs. They differ in quota | 55 // The following three types share the same prefs. They differ in quota |
56 // values (and UMA histograms). | 56 // values (and UMA histograms). |
57 // RequestCounter::RequestType::CONTENT_SUGGESTION_FETCHER_RARE_NTP_USER, | 57 // RequestCounter::RequestType::CONTENT_SUGGESTION_FETCHER_RARE_NTP_USER, |
58 {"SuggestionFetcherRareNTPUser", prefs::kSnippetFetcherRequestCount, | 58 {"SuggestionFetcherRareNTPUser", prefs::kSnippetFetcherRequestCount, |
59 prefs::kSnippetFetcherInteractiveRequestCount, | 59 prefs::kSnippetFetcherInteractiveRequestCount, |
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75 RequestThrottler::RequestThrottler(PrefService* pref_service, RequestType type) | 75 RequestThrottler::RequestThrottler(PrefService* pref_service, RequestType type) |
76 : pref_service_(pref_service), | 76 : pref_service_(pref_service), |
77 type_info_(kRequestTypeInfo[static_cast<int>(type)]) { | 77 type_info_(kRequestTypeInfo[static_cast<int>(type)]) { |
78 DCHECK(pref_service); | 78 DCHECK(pref_service); |
79 | 79 |
80 std::string quota = variations::GetVariationParamValueByFeature( | 80 std::string quota = variations::GetVariationParamValueByFeature( |
81 ntp_snippets::kArticleSuggestionsFeature, | 81 ntp_snippets::kArticleSuggestionsFeature, |
82 base::StringPrintf("quota_%s", GetRequestTypeName())); | 82 base::StringPrintf("quota_%s", GetRequestTypeName())); |
83 if (!base::StringToInt(quota, "a_)) { | 83 if (!base::StringToInt(quota, "a_)) { |
84 LOG_IF(WARNING, !quota.empty()) | 84 LOG_IF(WARNING, !quota.empty()) |
85 << "Invalid variation parameter for quota for " | 85 << "Invalid variation parameter for quota for " << GetRequestTypeName(); |
86 << GetRequestTypeName(); | |
87 quota_ = type_info_.default_quota; | 86 quota_ = type_info_.default_quota; |
88 } | 87 } |
89 | 88 |
90 std::string interactive_quota = variations::GetVariationParamValueByFeature( | 89 std::string interactive_quota = variations::GetVariationParamValueByFeature( |
91 ntp_snippets::kArticleSuggestionsFeature, | 90 ntp_snippets::kArticleSuggestionsFeature, |
92 base::StringPrintf("interactive_quota_%s", GetRequestTypeName())); | 91 base::StringPrintf("interactive_quota_%s", GetRequestTypeName())); |
93 if (!base::StringToInt(interactive_quota, &interactive_quota_)) { | 92 if (!base::StringToInt(interactive_quota, &interactive_quota_)) { |
94 LOG_IF(WARNING, !interactive_quota.empty()) | 93 LOG_IF(WARNING, !interactive_quota.empty()) |
95 << "Invalid variation parameter for interactive quota for " | 94 << "Invalid variation parameter for interactive quota for " |
96 << GetRequestTypeName(); | 95 << GetRequestTypeName(); |
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203 | 202 |
204 void RequestThrottler::SetDay(int day) { | 203 void RequestThrottler::SetDay(int day) { |
205 pref_service_->SetInteger(type_info_.day_pref, day); | 204 pref_service_->SetInteger(type_info_.day_pref, day); |
206 } | 205 } |
207 | 206 |
208 bool RequestThrottler::HasDay() const { | 207 bool RequestThrottler::HasDay() const { |
209 return pref_service_->HasPrefPath(type_info_.day_pref); | 208 return pref_service_->HasPrefPath(type_info_.day_pref); |
210 } | 209 } |
211 | 210 |
212 } // namespace ntp_snippets | 211 } // namespace ntp_snippets |
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