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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 "net/url_request/url_request_throttler_manager.h" | 5 #include "net/url_request/url_request_throttler_manager.h" |
| 6 | 6 |
| 7 #include "base/logging.h" | 7 #include "base/logging.h" |
| 8 #include "base/metrics/field_trial.h" | 8 #include "base/metrics/field_trial.h" |
| 9 #include "base/metrics/histogram.h" | 9 #include "base/metrics/histogram.h" |
| 10 #include "base/strings/string_util.h" | 10 #include "base/strings/string_util.h" |
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| 42 i->second->DetachManager(); | 42 i->second->DetachManager(); |
| 43 } | 43 } |
| 44 ++i; | 44 ++i; |
| 45 } | 45 } |
| 46 | 46 |
| 47 // Delete all entries. | 47 // Delete all entries. |
| 48 url_entries_.clear(); | 48 url_entries_.clear(); |
| 49 } | 49 } |
| 50 | 50 |
| 51 scoped_refptr<URLRequestThrottlerEntryInterface> | 51 scoped_refptr<URLRequestThrottlerEntryInterface> |
| 52 URLRequestThrottlerManager::RegisterRequestUrl(const GURL &url) { | 52 URLRequestThrottlerManager::RegisterRequestUrl(const GURL& url) { |
| 53 DCHECK(!enable_thread_checks_ || CalledOnValidThread()); | 53 DCHECK(!enable_thread_checks_ || CalledOnValidThread()); |
| 54 | 54 |
| 55 // Normalize the url. | 55 // Normalize the url. |
| 56 std::string url_id = GetIdFromUrl(url); | 56 std::string url_id = GetIdFromUrl(url); |
| 57 | 57 |
| 58 // Periodically garbage collect old entries. | 58 // Periodically garbage collect old entries. |
| 59 GarbageCollectEntriesIfNecessary(); | 59 GarbageCollectEntriesIfNecessary(); |
| 60 | 60 |
| 61 // Find the entry in the map or create a new NULL entry. | 61 // Find the entry in the map or create a new NULL entry. |
| 62 scoped_refptr<URLRequestThrottlerEntry>& entry = url_entries_[url_id]; | 62 scoped_refptr<URLRequestThrottlerEntry>& entry = url_entries_[url_id]; |
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| 134 void URLRequestThrottlerManager::set_enable_thread_checks(bool enable) { | 134 void URLRequestThrottlerManager::set_enable_thread_checks(bool enable) { |
| 135 enable_thread_checks_ = enable; | 135 enable_thread_checks_ = enable; |
| 136 } | 136 } |
| 137 | 137 |
| 138 bool URLRequestThrottlerManager::enable_thread_checks() const { | 138 bool URLRequestThrottlerManager::enable_thread_checks() const { |
| 139 return enable_thread_checks_; | 139 return enable_thread_checks_; |
| 140 } | 140 } |
| 141 | 141 |
| 142 void URLRequestThrottlerManager::set_net_log(NetLog* net_log) { | 142 void URLRequestThrottlerManager::set_net_log(NetLog* net_log) { |
| 143 DCHECK(net_log); | 143 DCHECK(net_log); |
| 144 net_log_ = BoundNetLog::Make(net_log, | 144 net_log_ = |
| 145 NetLog::SOURCE_EXPONENTIAL_BACKOFF_THROTTLING); | 145 BoundNetLog::Make(net_log, NetLog::SOURCE_EXPONENTIAL_BACKOFF_THROTTLING); |
| 146 } | 146 } |
| 147 | 147 |
| 148 NetLog* URLRequestThrottlerManager::net_log() const { | 148 NetLog* URLRequestThrottlerManager::net_log() const { |
| 149 return net_log_.net_log(); | 149 return net_log_.net_log(); |
| 150 } | 150 } |
| 151 | 151 |
| 152 void URLRequestThrottlerManager::OnIPAddressChanged() { | 152 void URLRequestThrottlerManager::OnIPAddressChanged() { |
| 153 OnNetworkChange(); | 153 OnNetworkChange(); |
| 154 } | 154 } |
| 155 | 155 |
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| 194 void URLRequestThrottlerManager::OnNetworkChange() { | 194 void URLRequestThrottlerManager::OnNetworkChange() { |
| 195 // Remove all entries. Any entries that in-flight requests have a reference | 195 // Remove all entries. Any entries that in-flight requests have a reference |
| 196 // to will live until those requests end, and these entries may be | 196 // to will live until those requests end, and these entries may be |
| 197 // inconsistent with new entries for the same URLs, but since what we | 197 // inconsistent with new entries for the same URLs, but since what we |
| 198 // want is a clean slate for the new connection type, this is OK. | 198 // want is a clean slate for the new connection type, this is OK. |
| 199 url_entries_.clear(); | 199 url_entries_.clear(); |
| 200 requests_since_last_gc_ = 0; | 200 requests_since_last_gc_ = 0; |
| 201 } | 201 } |
| 202 | 202 |
| 203 } // namespace net | 203 } // namespace net |
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