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  1. // -*- C++ -*-
  2. // Module: Log4cplus
  3. // File: asyncappender.h
  4. // Created: 1/2009
  5. // Author: Vaclav Haisman
  6. //
  7. //
  8. // Copyright (C) 2009-2013, Vaclav Haisman. All rights reserved.
  9. //
  10. // Redistribution and use in source and binary forms, with or without modifica-
  11. // tion, are permitted provided that the following conditions are met:
  12. //
  13. // 1. Redistributions of source code must retain the above copyright notice,
  14. // this list of conditions and the following disclaimer.
  15. //
  16. // 2. Redistributions in binary form must reproduce the above copyright notice,
  17. // this list of conditions and the following disclaimer in the documentation
  18. // and/or other materials provided with the distribution.
  19. //
  20. // THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
  21. // INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
  22. // FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  23. // APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  24. // INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
  25. // DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
  26. // OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
  27. // ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  28. // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  29. // THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30. //
  31. /** @file */
  32. #ifndef LOG4CPLUS_ASYNCAPPENDER_H
  33. #define LOG4CPLUS_ASYNCAPPENDER_H
  34. #include <log4cplus/config.hxx>
  35. #if defined (LOG4CPLUS_HAVE_PRAGMA_ONCE)
  36. #pragma once
  37. #endif
  38. #ifndef LOG4CPLUS_SINGLE_THREADED
  39. #include <log4cplus/helpers/queue.h>
  40. #include <log4cplus/appender.h>
  41. #include <log4cplus/thread/threads.h>
  42. #include <log4cplus/helpers/appenderattachableimpl.h>
  43. namespace log4cplus
  44. {
  45. class LOG4CPLUS_EXPORT AsyncAppender
  46. : public Appender
  47. , public helpers::AppenderAttachableImpl
  48. {
  49. public:
  50. AsyncAppender (SharedAppenderPtr const & app, unsigned max_len);
  51. AsyncAppender (helpers::Properties const &);
  52. virtual ~AsyncAppender ();
  53. virtual void close ();
  54. protected:
  55. virtual void append (spi::InternalLoggingEvent const &);
  56. void init_queue_thread (unsigned);
  57. thread::AbstractThreadPtr queue_thread;
  58. thread::QueuePtr queue;
  59. private:
  60. AsyncAppender (AsyncAppender const &);
  61. AsyncAppender & operator = (AsyncAppender const &);
  62. };
  63. typedef helpers::SharedObjectPtr<AsyncAppender> AsyncAppenderPtr;
  64. } // namespace log4cplus
  65. #endif // LOG4CPLUS_SINGLE_THREADED
  66. #endif // LOG4CPLUS_ASYNCAPPENDER_H