Page Speed Optimization Libraries  1.7.30.3
net/instaweb/apache/apache_server_context.h
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00001 // Copyright 2011 Google Inc.
00016 
00017 #ifndef NET_INSTAWEB_APACHE_APACHE_SERVER_CONTEXT_H_
00018 #define NET_INSTAWEB_APACHE_APACHE_SERVER_CONTEXT_H_
00019 
00020 #include "net/instaweb/apache/apache_config.h"
00021 #include "net/instaweb/http/public/request_context.h"
00022 #include "net/instaweb/rewriter/public/rewrite_stats.h"
00023 #include "net/instaweb/system/public/system_server_context.h"
00024 #include "net/instaweb/util/public/basictypes.h"
00025 #include "net/instaweb/util/public/scoped_ptr.h"
00026 #include "net/instaweb/util/public/string.h"
00027 #include "net/instaweb/util/public/string_util.h"
00028 #include "pagespeed/kernel/base/message_handler.h"
00029 
00030 struct request_rec;
00031 struct server_rec;
00032 
00033 namespace net_instaweb {
00034 
00035 class ApacheRewriteDriverFactory;
00036 class ApacheRequestContext;
00037 class ProxyFetchFactory;
00038 class RewriteDriverPool;
00039 class RewriteDriver;
00040 class Statistics;
00041 class Variable;
00042 
00049 class ApacheServerContext : public SystemServerContext {
00050  public:
00051   ApacheServerContext(ApacheRewriteDriverFactory* factory,
00052                       server_rec* server,
00053                       const StringPiece& version);
00054   virtual ~ApacheServerContext();
00055 
00057   static void InitStats(Statistics* statistics);
00058 
00059   ApacheRewriteDriverFactory* apache_factory() { return apache_factory_; }
00060   ApacheConfig* global_config();
00061   bool InitPath(const GoogleString& path);
00062 
00070   ApacheConfig* SpdyConfigOverlay();
00071   ApacheConfig* NonSpdyConfigOverlay();
00072 
00075   bool has_spdy_config_overlay() const {
00076     return spdy_config_overlay_.get() != NULL;
00077   }
00078 
00079   bool has_non_spdy_config_overlay() const {
00080     return non_spdy_config_overlay_.get() != NULL;
00081   }
00082 
00084   void set_spdy_config_overlay(ApacheConfig* x) {
00085     spdy_config_overlay_.reset(x);
00086   }
00087 
00088   void set_non_spdy_config_overlay(ApacheConfig* x) {
00089     non_spdy_config_overlay_.reset(x);
00090   }
00091 
00095   ApacheConfig* SpdyGlobalConfig() { return spdy_specific_config_.get(); }
00096 
00100   RewriteDriverPool* spdy_driver_pool() { return spdy_driver_pool_; }
00101 
00105   virtual void CollapseConfigOverlaysAndComputeSignatures();
00106 
00109   bool PoolDestroyed();
00110 
00111   const server_rec* server() const { return server_rec_; }
00112 
00113   virtual RewriteDriverPool* SelectDriverPool(bool using_spdy);
00114 
00116   virtual void MaybeApplySpdySessionFetcher(const RequestContextPtr& request,
00117                                             RewriteDriver* driver);
00118 
00119   ProxyFetchFactory* proxy_fetch_factory() {
00120     return proxy_fetch_factory_.get();
00121   }
00122 
00123   void InitProxyFetchFactory();
00124 
00128   virtual bool ProxiesHtml() const { return false; }
00129 
00130   ApacheRequestContext* NewApacheRequestContext(request_rec* request);
00131 
00135   void ReportResourceNotFound(StringPiece message, request_rec* request) {
00136     ReportNotFoundHelper(kWarning, message, request,
00137                          rewrite_stats()->resource_404_count());
00138   }
00139 
00143   void ReportStatisticsNotFound(StringPiece message, request_rec* request) {
00144     ReportNotFoundHelper(kWarning, message, request, statistics_404_count());
00145   }
00146 
00150   void ReportSlurpNotFound(StringPiece message, request_rec* request) {
00151     ReportNotFoundHelper(kInfo, message, request,
00152                          rewrite_stats()->slurp_404_count());
00153   }
00154 
00155  private:
00156   virtual bool UpdateCacheFlushTimestampMs(int64 timestamp_ms);
00157 
00158   void ReportNotFoundHelper(MessageType message_type,
00159                             StringPiece url,
00160                             request_rec* request,
00161                             Variable* error_count);
00162 
00163   ApacheRewriteDriverFactory* apache_factory_;
00164   server_rec* server_rec_;
00165   GoogleString version_;
00166 
00169   scoped_ptr<ApacheConfig> spdy_config_overlay_;
00170   scoped_ptr<ApacheConfig> non_spdy_config_overlay_;
00171 
00173   scoped_ptr<ApacheConfig> spdy_specific_config_;
00174 
00177   RewriteDriverPool* spdy_driver_pool_;
00178 
00179   scoped_ptr<ProxyFetchFactory> proxy_fetch_factory_;
00180 
00181   DISALLOW_COPY_AND_ASSIGN(ApacheServerContext);
00182 };
00183 
00184 }  
00185 
00186 #endif  ///< NET_INSTAWEB_APACHE_APACHE_SERVER_CONTEXT_H_
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