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[RFC PATCH v7 0/9] gitweb: Output caching, with eval/die based error handling

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From: Jakub Narebski
Subject: [RFC PATCH v7 0/9] gitweb: Output caching, with eval/die based error handling
Date: Wednesday, December 22, 2010 - 4:54 pm

This is preliminary (proof of concept) version of shortened series
intended as replacement (rewrite) of "Gitweb caching v8" series from
John 'Warthog9' Hawley (J.H.).

This series shows how one can manage exception handling using
die_error like die, even in the presence of output caching.  The
output caching engine has an option that allows to turn off (default)
or on caching of error pages.

This series is unfinished; it does not include adaptive cache
lifetime, nor support for other caching engines than the one provided
(like Cache::Cache or CHI), nor does it support background cache
generation or progress info indicator.

This is just intended as proof of concept.

---
Jakub Narebski (9):
      gitweb: Add optional output caching
      gitweb/lib - Cache captured output (using compute_fh)
      gitweb/lib - Very simple file based cache
      gitweb/lib - Simple output capture by redirecting STDOUT to file
      t/test-lib.sh: Export also GIT_BUILD_DIR in test_external
      gitweb: Prepare for splitting gitweb
      gitweb: Introduce %actions_info, gathering information about actions
      gitweb: use eval + die for error (exception) handling
      gitweb: Go to DONE_REQUEST rather than DONE_GITWEB in die_error

 gitweb/Makefile                                |   22 +
 gitweb/README                                  |   46 ++
 gitweb/gitweb.perl                             |  280 +++++++++++++--
 gitweb/lib/GitwebCache/CacheOutput.pm          |   84 ++++
 gitweb/lib/GitwebCache/Capture/ToFile.pm       |  109 ++++++
 gitweb/lib/GitwebCache/FileCacheWithLocking.pm |  452 ++++++++++++++++++++++++
 t/gitweb-lib.sh                                |   11 +
 t/t9500-gitweb-standalone-no-errors.sh         |   20 +
 t/t9501-gitweb-standalone-http-status.sh       |   13 +
 t/t9502-gitweb-standalone-parse-output.sh      |   33 ++
 t/t9510-gitweb-capture-interface.sh            |   34 ++
 t/t9510/test_capture_interface.pl              |  132 +++++++
 t/t9511-gitweb-caching-interface.sh            |   34 ++
 t/t9511/test_cache_interface.pl                |  381 ++++++++++++++++++++
 t/t9512-gitweb-cache-output-interface.sh       |   34 ++
 t/t9512/test_cache_output.pl                   |  162 +++++++++
 t/test-lib.sh                                  |    4 
 17 files changed, 1806 insertions(+), 45 deletions(-)
 create mode 100644 gitweb/lib/GitwebCache/CacheOutput.pm
 create mode 100644 gitweb/lib/GitwebCache/Capture/ToFile.pm
 create mode 100644 gitweb/lib/GitwebCache/FileCacheWithLocking.pm
 create mode 100755 t/t9510-gitweb-capture-interface.sh
 create mode 100755 t/t9510/test_capture_interface.pl
 create mode 100755 t/t9511-gitweb-caching-interface.sh
 create mode 100755 t/t9511/test_cache_interface.pl
 create mode 100755 t/t9512-gitweb-cache-output-interface.sh
 create mode 100755 t/t9512/test_cache_output.pl

-- 
Jakub Narebski
ShadeHawk on #git
Poland
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Messages in current thread:
[RFC PATCH v7 0/9] gitweb: Output caching, with eval/die b ..., Jakub Narebski, (Wed Dec 22, 4:54 pm)
[RFC PATCH v7 1/9] gitweb: Go to DONE_REQUEST rather than ..., Jakub Narebski, (Wed Dec 22, 4:55 pm)
[RFC PATCH v7 2/9] gitweb: use eval + die for error (excep ..., Jakub Narebski, (Wed Dec 22, 4:55 pm)
[RFC PATCH v7 3/9] gitweb: Introduce %actions_info, gather ..., Jakub Narebski, (Wed Dec 22, 4:55 pm)
[RFC PATCH v7 4/9] gitweb: Prepare for splitting gitweb, Jakub Narebski, (Wed Dec 22, 4:56 pm)
[RFC PATCH v7 5/9] t/test-lib.sh: Export also GIT_BUILD_DI ..., Jakub Narebski, (Wed Dec 22, 4:56 pm)
[RFC PATCH v7 6/9] gitweb/lib - Simple output capture by r ..., Jakub Narebski, (Wed Dec 22, 4:57 pm)
[RFC PATCH v7 7/9] gitweb/lib - Very simple file based cache, Jakub Narebski, (Wed Dec 22, 4:57 pm)
[RFC PATCH v7 8/9] gitweb/lib - Cache captured output (usi ..., Jakub Narebski, (Wed Dec 22, 4:57 pm)
[RFC PATCH v7 9/9] gitweb: Add optional output caching, Jakub Narebski, (Wed Dec 22, 4:58 pm)
Re: [RFC PATCH v7 1/9] gitweb: Go to DONE_REQUEST rather t ..., Jonathan Nieder, (Wed Dec 22, 6:55 pm)
Re: [RFC PATCH v7 2/9] gitweb: use eval + die for error (e ..., Jonathan Nieder, (Wed Dec 22, 7:08 pm)
Re: [RFC PATCH v7 4/9] gitweb: Prepare for splitting gitweb, Jonathan Nieder, (Fri Dec 24, 2:29 am)
Re: [RFC PATCH v7 6/9] gitweb/lib - Simple output capture ..., Jonathan Nieder, (Fri Dec 24, 2:49 am)
Re: [RFC PATCH v7 1/9] gitweb: Go to DONE_REQUEST rather t ..., Jakub Narebski, (Sat Dec 25, 3:14 pm)
Re: [RFC PATCH v7 2/9] gitweb: use eval + die for error (e ..., Jakub Narebski, (Sat Dec 25, 4:17 pm)
[RFC/PATCH] diff: funcname and word patterns for perl, Jonathan Nieder, (Sun Dec 26, 2:07 am)
Re: [RFC PATCH v7 1/9] gitweb: Go to DONE_REQUEST rather t ..., Jonathan Nieder, (Sun Dec 26, 2:50 am)
Re: [RFC/PATCH] diff: funcname and word patterns for perl, Jonathan Nieder, (Sun Dec 26, 3:54 am)
Re: [RFC/PATCH] diff: funcname and word patterns for perl, Jonathan Nieder, (Sun Dec 26, 4:22 am)
Re: [RFC PATCH v7 1/9] gitweb: Go to DONE_REQUEST rather t ..., Jakub Narebski, (Sun Dec 26, 3:25 pm)
Re: [RFC PATCH v7 4/9] gitweb: Prepare for splitting gitweb, Jakub Narebski, (Sun Dec 26, 3:54 pm)
Re: [RFC PATCH v7 6/9] gitweb/lib - Simple output capture ..., Jakub Narebski, (Sun Dec 26, 4:03 pm)
Re: [RFC/PATCH] diff: funcname and word patterns for perl, Jakub Narebski, (Sun Dec 26, 4:14 pm)
Re: [RFC/PATCH] diff: funcname and word patterns for perl, Junio C Hamano, (Mon Dec 27, 10:18 am)
Re: [RFC/PATCH] diff: funcname and word patterns for perl, Jakub Narebski, (Mon Dec 27, 3:44 pm)
Re: [RFC/PATCH] diff: funcname and word patterns for perl, Jeff King, (Mon Dec 27, 8:52 pm)
[RFC PATCH v7 10/9] gitweb: Background cache generation an ..., Jakub Narebski, (Fri Dec 31, 11:03 am)
[RFC PATCH v7 11/9] [PoC] gitweb/lib - tee, i.e. print and ..., Jakub Narebski, (Mon Jan 3, 2:33 pm)
Re: [RFC PATCH v7 11/9] [PoC] gitweb/lib - tee, i.e. print ..., J.H., (Mon Jan 3, 4:31 pm)
Re: [RFC PATCH v7 11/9] [PoC] gitweb/lib - tee, i.e. print ..., Jakub Narebski, (Mon Jan 3, 5:28 pm)
[RFC PATCH v7 2.5/9] gitweb: Make die_error just die, and ..., Jakub Narebski, (Mon Jan 3, 5:35 pm)
Re: [RFC PATCH v7 11/9] [PoC] gitweb/lib - tee, i.e. print ..., Jakub Narebski, (Tue Jan 4, 6:20 am)