log4tango  4.0.3
LogStreambuf.hh
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00001 //
00002 // LogStreambuf.hh
00003 //
00004 // Copyright (C) :  2000 - 2002
00005 //                                      LifeLine Networks BV (www.lifeline.nl). All rights reserved.
00006 //                                      Bastiaan Bakker. All rights reserved.   
00007 //                                      
00008 //                                      2004,2005,2006,2007,2008,2009,2010
00009 //                                      Synchrotron SOLEIL
00010 //                      L'Orme des Merisiers
00011 //                      Saint-Aubin - BP 48 - France
00012 //
00013 // This file is part of log4tango.
00014 //
00015 // Log4ango is free software: you can redistribute it and/or modify
00016 // it under the terms of the GNU Lesser General Public License as published by
00017 // the Free Software Foundation, either version 3 of the License, or
00018 // (at your option) any later version.
00019 // 
00020 // Log4tango is distributed in the hope that it will be useful,
00021 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00022 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00023 // GNU Lesser General Public License for more details.
00024 // 
00025 // You should have received a copy of the GNU Lesser General Public License
00026 // along with Log4Tango.  If not, see <http://www.gnu.org/licenses/>.
00027  
00028 #ifndef _LOG4TANGO_STREAM_BUFFER_H
00029 #define _LOG4TANGO_STREAM_BUFFER_H
00030 
00031 #include <log4tango/Portability.hh>
00032 #include <log4tango/Logger.hh>
00033 
00034 //-----------------------------------------------------------------------------
00035 // #DEFINES
00036 //-----------------------------------------------------------------------------
00037 #define kDEFAULT_BUFFER_SIZE 512
00038 
00039 namespace log4tango {
00040 
00041 //-----------------------------------------------------------------------------
00042 // Class : LogStreamBuf
00043 //-----------------------------------------------------------------------------
00044 class LOG4TANGO_EXPORT LogStreamBuf : public std::streambuf
00045 {
00046   friend class LogStream;
00047 
00048 public:
00049 
00050   LogStreamBuf (Logger* logger, 
00051                 Level::Value level,
00052                 bool filter = true,
00053                 size_t bsize = kDEFAULT_BUFFER_SIZE);
00054 
00055   virtual ~LogStreamBuf();
00056 
00057 protected:
00058 
00059    virtual std::streamsize xsputn (const char*, std::streamsize);
00060 
00061 
00062    virtual int sync (void);
00063 
00064 private:
00065 
00066   int flush_buffer (void);
00067 
00068   char *_buffer;
00069 
00070   Logger* _logger;
00071 
00072   Level::Value _level;
00073 
00074   bool _filter;
00075 };
00076 
00077 } // namespace log4tango
00078 
00079 #endif // _LOG4TANGO_STREAM_BUFFER_H
00080 
00081