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..81d7891c908097511dd0548cfbeeee15148e13c3 |
--- /dev/null |
+++ b/net/http/http_cache_lookup_manager.h |
@@ -0,0 +1,63 @@ |
+// 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; |
jkarlin
2016/11/21 14:40:41
push_helper_
Zhongyi Shi
2016/11/22 00:09:29
Ah, thanks for catching this! LookupTransaction us
|
+ std::unique_ptr<HttpRequestInfo> request; |
jkarlin
2016/11/21 14:40:41
request_
Zhongyi Shi
2016/11/22 00:09:29
Done.
|
+ std::unique_ptr<HttpTransaction> transaction; |
jkarlin
2016/11/21 14:40:41
transaction_
Zhongyi Shi
2016/11/22 00:09:29
Done.
|
+ }; |
+ |
+ 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_ |