| // Copyright 2010 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: sligocki@google.com (Shawn Ligocki) |
| |
| #ifndef PAGESPEED_APACHE_APACHE_MESSAGE_HANDLER_H_ |
| #define PAGESPEED_APACHE_APACHE_MESSAGE_HANDLER_H_ |
| |
| #include "pagespeed/kernel/base/basictypes.h" |
| #include "pagespeed/kernel/base/message_handler.h" |
| #include "pagespeed/kernel/base/string.h" |
| #include "pagespeed/kernel/base/string_util.h" |
| #include "pagespeed/system/system_message_handler.h" |
| |
| struct server_rec; |
| |
| namespace net_instaweb { |
| |
| class AbstractMutex; |
| class Timer; |
| |
| // Implementation of an HTML parser message handler that uses Apache |
| // logging to emit messsages. |
| class ApacheMessageHandler : public SystemMessageHandler { |
| public: |
| // version is a string added to each message. |
| // Timer is used to generate timestamp for messages in shared memory. |
| ApacheMessageHandler(const server_rec* server, const StringPiece& version, |
| Timer* timer, AbstractMutex* mutex); |
| |
| // Installs a signal handler for common crash signals that tries to print |
| // out a backtrace. |
| static void InstallCrashHandler(server_rec* global_server); |
| |
| protected: |
| virtual void MessageSImpl(MessageType type, const GoogleString& message); |
| |
| virtual void FileMessageSImpl(MessageType type, const char* filename, |
| int line, const GoogleString& message); |
| |
| private: |
| int GetApacheLogLevel(MessageType type); |
| |
| const server_rec* server_rec_; |
| const GoogleString version_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ApacheMessageHandler); |
| }; |
| |
| } // namespace net_instaweb |
| |
| #endif // PAGESPEED_APACHE_APACHE_MESSAGE_HANDLER_H_ |