Index: net/http/http_cache_lookup_manager.h |
diff --git a/net/http/http_cache_lookup_manager.h b/net/http/http_cache_lookup_manager.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..b377290afc9761c8b07c489691eead56bd49a8f4 |
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+++ b/net/http/http_cache_lookup_manager.h |
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+// Copyright 2016 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef NET_HTTP_CACHE_LOOKUP_MANAGER_H_ |
+#define NET_HTTP_CACHE_LOOKUP_MANAGER_H_ |
+ |
+#include "net/base/net_export.h" |
+#include "net/http/http_cache.h" |
+#include "net/http/http_cache_transaction.h" |
+#include "net/spdy/server_push_delegate.h" |
+ |
+namespace net { |
+ |
+// An implementation of ServerPushDelegate that issues an HttpCache::Transaction |
+// to lookup whether the response to the pushed URL is cached and cancel the |
+// push in that case. |
+class NET_EXPORT_PRIVATE HttpCacheLookupManager : public ServerPushDelegate { |
+ public: |
+ // |http_cache| MUST outlive the HttpCacheLookupManager. |
+ HttpCacheLookupManager(HttpCache* http_cache, |
+ const NetLogWithSource& net_log); |
+ ~HttpCacheLookupManager() override; |
+ |
+ void OnPush(std::unique_ptr<ServerPushHelper> push_helper) override; |
+ |
+ // Invoked when the HttpCache::Transaction for |url| finishes to cancel the |
+ // server push if the response to the server push is found cached. |
+ void OnLookupComplete(const GURL& url, int rv); |
+ |
+ private: |
+ // A class that takes the ownership of ServerPushHelper, issues and owns an |
+ // HttpCache::Transaction which lookups the response in cache for the server |
+ // push. |
+ class LookupTransaction { |
+ public: |
+ LookupTransaction(std::unique_ptr<ServerPushHelper> push_helper); |
+ ~LookupTransaction(); |
+ |
+ // Issues an HttpCache::Transaction to lookup whether the response is cached |
+ // without header validation. |
+ int StartLookup(HttpCache* cache, |
+ const CompletionCallback& callback, |
+ const NetLogWithSource& net_log); |
+ |
+ void CancelPush(); |
+ |
+ private: |
+ std::unique_ptr<ServerPushHelper> push_helper_; |
+ std::unique_ptr<HttpRequestInfo> request_; |
+ std::unique_ptr<HttpTransaction> transaction_; |
+ }; |
+ |
+ NetLogWithSource net_log_; |
+ // HttpCache must outlive the HttpCacheLookupManager. |
+ HttpCache* http_cache_; |
+ std::map<GURL, std::unique_ptr<LookupTransaction>> lookup_transactions_; |
+ base::WeakPtrFactory<HttpCacheLookupManager> weak_factory_; |
+}; |
+ |
+} // namespace net |
+ |
+#endif // NET_HTTP_CACHE_LOOKUP_MANAGER_H_ |