| /* |
| * Copyright 2012 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| // Author: morlovich@google.com (Maksim Orlovich) |
| // |
| // A fetcher that talks to mod_spdy for requests matching a certain |
| // domain (and passes the rest to fallthrough fetcher). |
| |
| #ifndef PAGESPEED_APACHE_MOD_SPDY_FETCHER_H_ |
| #define PAGESPEED_APACHE_MOD_SPDY_FETCHER_H_ |
| |
| #include "net/instaweb/http/public/url_async_fetcher.h" |
| |
| #include "httpd.h" |
| |
| |
| #include "pagespeed/apache/interface_mod_spdy.h" |
| #include "pagespeed/kernel/base/basictypes.h" |
| #include "pagespeed/kernel/base/string.h" |
| #include "pagespeed/kernel/base/string_util.h" |
| |
| struct request_rec; |
| struct spdy_slave_connection_factory; |
| |
| namespace net_instaweb { |
| |
| class AsyncFetch; |
| class MessageHandler; |
| class ModSpdyFetchController; |
| class RewriteDriver; |
| class Statistics; |
| |
| class ModSpdyFetcher : public UrlAsyncFetcher { |
| public: |
| ModSpdyFetcher(ModSpdyFetchController* controller, |
| StringPiece url, RewriteDriver* driver, |
| spdy_slave_connection_factory* connection_factory); |
| virtual ~ModSpdyFetcher(); |
| |
| // Initializes various filters this fetcher needs for operation. |
| // This must be from within a register hooks implementation. |
| static void Initialize(); |
| |
| // This must be called for every statistics object in use before using this. |
| static void InitStats(Statistics* statistics); |
| |
| virtual void Fetch(const GoogleString& url, |
| MessageHandler* message_handler, |
| AsyncFetch* fetch); |
| |
| // Returns true if a ModSpdyFetcher should be installed as a session fetcher |
| // on a given connection. |
| static bool ShouldUseOn(request_rec* req); |
| |
| // TODO(morlovich): Implement virtual void ShutDown(), |
| // and give a good story on session fetchers and fetcher shutdowns in general. |
| |
| private: |
| friend class ModSpdyFetchController; |
| |
| // The actual implementation of fetching code, normally called by |
| // ModSpdyFetchController. |
| void BlockingFetch(const GoogleString& url, |
| ModSpdyFetchController* controller, |
| Statistics* stats, |
| MessageHandler* message_handler, |
| AsyncFetch* fetch); |
| |
| ModSpdyFetchController* controller_; |
| UrlAsyncFetcher* fallback_fetcher_; |
| Statistics* stats_; |
| GoogleString own_origin_; // empty if we couldn't figure it out. |
| spdy_slave_connection_factory* connection_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ModSpdyFetcher); |
| }; |
| |
| } // namespace net_instaweb |
| |
| #endif // PAGESPEED_APACHE_MOD_SPDY_FETCHER_H_ |