OLD | NEW |
(Empty) | |
| 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 |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef NET_HTTP_CACHE_LOOKUP_MANAGER_H_ |
| 6 #define NET_HTTP_CACHE_LOOKUP_MANAGER_H_ |
| 7 |
| 8 #include "net/base/net_export.h" |
| 9 #include "net/http/http_cache.h" |
| 10 #include "net/http/http_cache_transaction.h" |
| 11 #include "net/spdy/server_push_delegate.h" |
| 12 |
| 13 namespace net { |
| 14 |
| 15 // An implementation of ServerPushDelegate that issues an HttpCache::Transaction |
| 16 // to lookup whether the response to the pushed URL is cached and cancel the |
| 17 // push in that case. |
| 18 class NET_EXPORT_PRIVATE HttpCacheLookupManager : public ServerPushDelegate { |
| 19 public: |
| 20 // |http_cache| MUST outlive the HttpCacheLookupManager. |
| 21 HttpCacheLookupManager(HttpCache* http_cache, |
| 22 const NetLogWithSource& net_log); |
| 23 ~HttpCacheLookupManager() override; |
| 24 |
| 25 void OnPush(std::unique_ptr<ServerPushHelper> push_helper) override; |
| 26 |
| 27 // Invoked when the HttpCache::Transaction for |url| finishes to cancel the |
| 28 // server push if the response to the server push is found cached. |
| 29 void OnLookupComplete(const GURL& url, int rv); |
| 30 |
| 31 private: |
| 32 // A class that takes the ownership of ServerPushHelper, issues and owns an |
| 33 // HttpCache::Transaction which lookups the response in cache for the server |
| 34 // push. |
| 35 class LookupTransaction { |
| 36 public: |
| 37 LookupTransaction(std::unique_ptr<ServerPushHelper> push_helper); |
| 38 ~LookupTransaction(); |
| 39 |
| 40 // Issues an HttpCache::Transaction to lookup whether the response is cached |
| 41 // without header validation. |
| 42 int StartLookup(HttpCache* cache, |
| 43 const CompletionCallback& callback, |
| 44 const NetLogWithSource& net_log); |
| 45 |
| 46 void CancelPush(); |
| 47 |
| 48 private: |
| 49 std::unique_ptr<ServerPushHelper> push_helper_; |
| 50 std::unique_ptr<HttpRequestInfo> request_; |
| 51 std::unique_ptr<HttpTransaction> transaction_; |
| 52 }; |
| 53 |
| 54 NetLogWithSource net_log_; |
| 55 // HttpCache must outlive the HttpCacheLookupManager. |
| 56 HttpCache* http_cache_; |
| 57 std::map<GURL, std::unique_ptr<LookupTransaction>> lookup_transactions_; |
| 58 base::WeakPtrFactory<HttpCacheLookupManager> weak_factory_; |
| 59 }; |
| 60 |
| 61 } // namespace net |
| 62 |
| 63 #endif // NET_HTTP_CACHE_LOOKUP_MANAGER_H_ |
OLD | NEW |