807 lines
17 KiB
Markdown
807 lines
17 KiB
Markdown
iwla
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====
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Introduction
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------------
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iwla (Intelligent Web Log Analyzer) is basically a clone of [awstats](http://www.awstats.org). The main problem with awstats is that it's a very monolothic project with everything in one big PERL file. In opposite, iwla has been though to be very modular : a small core analysis and a lot of filters. It can be viewed as UNIX pipes. Philosophy of iwla is : add, update, delete ! That's the job of each filter : modify statistics until final result. It's written in Python.
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Nevertheless, iwla is only focused on HTTP logs. It uses data (robots definitions, search engines definitions) and design from awstats. Moreover, it's not dynamic, but only generates static HTML page (with gzip compression option).
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Usage
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-----
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./iwla [-c|--clean-output] [-i|--stdin] [-f FILE|--file FILE] [-d LOGLEVEL|--log-level LOGLEVEL]
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-c : Clean output (database and HTML) before starting
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-i : Read data from stdin instead of conf.analyzed_filename
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-f : Read data from FILE instead of conf.analyzed_filename
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-d : Loglevel in ['DEBUG', 'INFO', 'WARNING', 'ERROR', 'CRITICAL']
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Basic usage
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-----------
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In addition to command line, iwla read parameters in default_conf.py. User can override default values using _conf.py_ file. Each module requires its own parameters.
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Main values to edit are :
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* **analyzed_filename** : web server log
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* **domaine_name** : domain name to filter
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* **pre_analysis_hooks** : List of pre analysis hooks
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* **post_analysis_hooks** : List of post analysis hooks
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* **display_hooks** : List of display hooks
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* **locale** : Displayed locale (_en_ or _fr_)
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Then, you can launch iwla. Output HTML files are created in _output_ directory by default. To quickly see it, go into _output_ and type
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python -m SimpleHTTPServer 8000
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Open your favorite web browser at _http://localhost:8000_. Enjoy !
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**Warning** : The order in hooks list is important : Some plugins may requires others plugins, and the order of display_hooks is the order of displayed blocks in final result.
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Interesting default configuration values
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----------------------------------------
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* **DB_ROOT** : Default database directory (default ./output_db)
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* **DISPLAY_ROOT** : Default HTML output directory (default _./output_)
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* **log_format** : Web server log format (nginx style). Default is apache log format
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* **time_format** : Time format used in log format
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* **pages_extensions** : Extensions that are considered as a HTML page (or result) in opposit to hits
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* **viewed_http_codes** : HTTP codes that are cosidered OK (200, 304)
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* **count_hit_only_visitors** : If False, don't count visitors that doesn't GET a page but resources only (images, rss...)
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* **multimedia_files** : Multimedia extensions (not accounted as downloaded files)
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* **css_path** : CSS path (you can add yours)
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* **compress_output_files** : Files extensions to compress in gzip during display build
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Plugins
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-------
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As previously described, plugins acts like UNIX pipes : statistics are constantly updated by each plugin to produce final result. We have three type of plugins :
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* **Pre analysis plugins** : Called before generating days statistics. They are in charge to filter robots, crawlers, bad pages...
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* **Post analysis plugins** : Called after basic statistics computation. They are in charge to enlight them with their own algorithms
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* **Display plugins** : They are in charge to produce HTML files from statistics.
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To use plugins, just insert their file name (without _.py_ extension) in _pre_analysis_hooks_, _post_analysis_hooks_ and _display_hooks_ lists in conf.py.
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Statistics are stored in dictionaries :
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* **month_stats** : Statistics of current analysed month
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* **valid_visitor** : A subset of month_stats without robots
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* **days_stats** : Statistics of current analysed day
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* **visits** : All visitors with all of its requests
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* **meta** : Final result of month statistics (by year)
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Create a Plugins
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----------------
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To create a new plugin, it's necessary to subclass IPlugin (_iplugin.py) in the right directory (_plugins/xxx/yourPlugin.py_).
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Plugins can defines required configuration values (self.conf_requires) that must be set in conf.py (or can be optional). They can also defines required plugins (self.requires).
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The two functions to overload are _load(self)_ that must returns True or False if all is good (or not). It's called after _init_. The second is _hook(self)_ that is the body of plugins.
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For display plugins, a lot of code has been wrote in _display.py_ that simplify the creation on HTML blocks, tables and bar graphs.
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Plugins
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=======
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Optional configuration values ends with *.
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* iwla.py
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* plugins/display/top_downloads.py
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* plugins/display/all_visits.py
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* plugins/display/top_hits.py
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* plugins/display/track_users.py
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* plugins/display/feeds.py
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* plugins/display/browsers.py
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* plugins/display/referers.py
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* plugins/display/operating_systems.py
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* plugins/display/top_visitors.py
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* plugins/display/referers_diff.py
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* plugins/display/top_pages.py
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* plugins/post_analysis/top_downloads.py
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* plugins/post_analysis/top_hits.py
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* plugins/post_analysis/feeds.py
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* plugins/post_analysis/browsers.py
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* plugins/post_analysis/referers.py
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* plugins/post_analysis/operating_systems.py
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* plugins/post_analysis/reverse_dns.py
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* plugins/post_analysis/top_pages.py
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* plugins/pre_analysis/page_to_hit.py
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* plugins/pre_analysis/robots.py
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iwla
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----
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Main class IWLA
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Parse Log, compute them, call plugins and produce output
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For now, only HTTP log are valid
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Plugin requirements :
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None
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Conf values needed :
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analyzed_filename
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domain_name
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locales_path
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compress_output_files*
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Output files :
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DB_ROOT/meta.db
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DB_ROOT/year/month/iwla.db
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OUTPUT_ROOT/index.html
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OUTPUT_ROOT/year/_stats.html
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OUTPUT_ROOT/year/month/index.html
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Statistics creation :
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meta :
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last_time
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start_analysis_time
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stats =>
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year =>
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month =>
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viewed_bandwidth
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not_viewed_bandwidth
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viewed_pages
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viewed_hits
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nb_visits
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nb_visitors
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month_stats :
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viewed_bandwidth
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not_viewed_bandwidth
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viewed_pages
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viewed_hits
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nb_visits
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days_stats :
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day =>
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viewed_bandwidth
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not_viewed_bandwidth
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viewed_pages
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viewed_hits
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nb_visits
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nb_visitors
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visits :
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remote_addr =>
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remote_addr
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remote_ip
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viewed_pages
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viewed_hits
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not_viewed_pages
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not_viewed_hits
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bandwidth
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last_access
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requests =>
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[fields_from_format_log]
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extract_request =>
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extract_uri
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extract_parameters*
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extract_referer* =>
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extract_uri
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extract_parameters*
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robot
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hit_only
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is_page
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valid_visitors:
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month_stats without robot and hit only visitors (if not conf.count_hit_only_visitors)
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Statistics update :
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None
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Statistics deletion :
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None
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plugins.display.top_downloads
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-----------------------------
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Display hook
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Create TOP downloads page
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Plugin requirements :
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post_analysis/top_downloads
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Conf values needed :
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max_downloads_displayed*
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create_all_downloads_page*
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Output files :
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OUTPUT_ROOT/year/month/top_downloads.html
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OUTPUT_ROOT/year/month/index.html
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Statistics creation :
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None
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Statistics update :
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None
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Statistics deletion :
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None
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plugins.display.all_visits
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--------------------------
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Display hook
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Create All visits page
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Plugin requirements :
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None
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Conf values needed :
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display_visitor_ip*
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Output files :
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OUTPUT_ROOT/year/month/all_visits.html
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OUTPUT_ROOT/year/month/index.html
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Statistics creation :
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None
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Statistics update :
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None
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Statistics deletion :
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None
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plugins.display.top_hits
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------------------------
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Display hook
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Create TOP hits page
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Plugin requirements :
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post_analysis/top_hits
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Conf values needed :
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max_hits_displayed*
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create_all_hits_page*
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Output files :
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OUTPUT_ROOT/year/month/top_hits.html
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OUTPUT_ROOT/year/month/index.html
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Statistics creation :
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None
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Statistics update :
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None
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Statistics deletion :
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None
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plugins.display.track_users
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---------------------------
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Display hook
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Track users
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Plugin requirements :
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None
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Conf values needed :
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tracked_ip
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create_tracked_page*
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Output files :
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OUTPUT_ROOT/year/month/index.html
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OUTPUT_ROOT/year/month/tracked_users.html
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Statistics creation :
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None
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Statistics update :
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None
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Statistics deletion :
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None
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plugins.display.feeds
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---------------------
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Display hook
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Display feeds parsers
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Plugin requirements :
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None
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Conf values needed :
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create_all_feeds_page*
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Output files :
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OUTPUT_ROOT/year/month/index.html
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OUTPUT_ROOT/year/month/all_feeds.html
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Statistics creation :
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None
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Statistics update :
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None
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Statistics deletion :
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None
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plugins.display.browsers
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------------------------
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Display hook
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Create browsers page
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Plugin requirements :
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post_analysis/browsers
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Conf values needed :
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max_browsers_displayed*
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create_browsers_page*
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Output files :
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OUTPUT_ROOT/year/month/browsers.html
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OUTPUT_ROOT/year/month/index.html
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Statistics creation :
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None
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Statistics update :
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None
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Statistics deletion :
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None
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plugins.display.referers
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------------------------
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Display hook
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Create Referers page
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Plugin requirements :
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post_analysis/referers
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Conf values needed :
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max_referers_displayed*
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create_all_referers_page*
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max_key_phrases_displayed*
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create_all_key_phrases_page*
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Output files :
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OUTPUT_ROOT/year/month/referers.html
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OUTPUT_ROOT/year/month/key_phrases.html
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OUTPUT_ROOT/year/month/index.html
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Statistics creation :
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None
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Statistics update :
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None
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Statistics deletion :
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None
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plugins.display.operating_systems
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---------------------------------
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Display hook
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Add operating systems statistics
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Plugin requirements :
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post_analysis/operating_systems
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Conf values needed :
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create_families_page*
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Output files :
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OUTPUT_ROOT/year/month/index.html
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Statistics creation :
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None
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Statistics update :
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None
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Statistics deletion :
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None
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plugins.display.top_visitors
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----------------------------
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Display hook
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Create TOP visitors block
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Plugin requirements :
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None
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Conf values needed :
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display_visitor_ip*
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Output files :
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OUTPUT_ROOT/year/month/index.html
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Statistics creation :
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None
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Statistics update :
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None
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Statistics deletion :
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None
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plugins.display.referers_diff
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-----------------------------
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Display hook
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Enlight new and updated key phrases in in all_key_phrases.html
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Plugin requirements :
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display/referers
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Conf values needed :
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None
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Output files :
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None
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Statistics creation :
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None
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Statistics update :
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None
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Statistics deletion :
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None
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plugins.display.top_pages
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-------------------------
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Display hook
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Create TOP pages page
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Plugin requirements :
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post_analysis/top_pages
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Conf values needed :
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max_pages_displayed*
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create_all_pages_page*
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Output files :
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OUTPUT_ROOT/year/month/top_pages.html
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OUTPUT_ROOT/year/month/index.html
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Statistics creation :
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None
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Statistics update :
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None
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Statistics deletion :
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None
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plugins.post_analysis.top_downloads
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-----------------------------------
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Post analysis hook
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Count TOP downloads
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Plugin requirements :
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None
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Conf values needed :
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None
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Output files :
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None
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Statistics creation :
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None
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Statistics update :
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month_stats:
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top_downloads =>
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uri => count
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Statistics deletion :
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None
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plugins.post_analysis.top_hits
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------------------------------
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Post analysis hook
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Count TOP hits
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Plugin requirements :
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None
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Conf values needed :
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None
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Output files :
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None
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Statistics creation :
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None
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Statistics update :
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month_stats:
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top_hits =>
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uri => count
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Statistics deletion :
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None
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plugins.post_analysis.feeds
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---------------------------
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Post analysis hook
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Find feeds parsers (first hit in feeds conf value and no viewed pages if it's a robot)
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Plugin requirements :
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None
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Conf values needed :
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feeds
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Output files :
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None
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Statistics creation :
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remote_addr =>
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feed_parser
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Statistics update :
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None
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Statistics deletion :
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None
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plugins.post_analysis.browsers
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------------------------------
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Post analysis hook
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Detect browser information from requests
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Plugin requirements :
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None
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Conf values needed :
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None
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Output files :
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None
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Statistics creation :
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visits :
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remote_addr =>
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browser
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month_stats :
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browsers =>
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browser => count
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Statistics update :
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None
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Statistics deletion :
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None
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plugins.post_analysis.referers
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------------------------------
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Post analysis hook
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Extract referers and key phrases from requests
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Plugin requirements :
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None
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Conf values needed :
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domain_name
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Output files :
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None
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Statistics creation :
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None
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Statistics update :
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month_stats :
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referers =>
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pages => count
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hits => count
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robots_referers =>
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pages => count
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hits => count
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search_engine_referers =>
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pages => count
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hits => count
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key_phrases =>
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phrase => count
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Statistics deletion :
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None
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plugins.post_analysis.operating_systems
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---------------------------------------
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Post analysis hook
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Detect operating systems from requests
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Plugin requirements :
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None
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Conf values needed :
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None
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Output files :
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None
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Statistics creation :
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visits :
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remote_addr =>
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operating_system
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month_stats :
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operating_systems =>
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operating_system => count
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os_families =>
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family => count
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Statistics update :
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None
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Statistics deletion :
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None
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plugins.post_analysis.reverse_dns
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---------------------------------
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Post analysis hook
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Replace IP by reverse DNS names
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Plugin requirements :
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None
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Conf values needed :
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reverse_dns_timeout*
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Output files :
|
|
None
|
|
|
|
Statistics creation :
|
|
None
|
|
|
|
Statistics update :
|
|
valid_visitors:
|
|
remote_addr
|
|
dns_name_replaced
|
|
dns_analyzed
|
|
|
|
Statistics deletion :
|
|
None
|
|
|
|
|
|
plugins.post_analysis.top_pages
|
|
-------------------------------
|
|
|
|
Post analysis hook
|
|
|
|
Count TOP pages
|
|
|
|
Plugin requirements :
|
|
None
|
|
|
|
Conf values needed :
|
|
None
|
|
|
|
Output files :
|
|
None
|
|
|
|
Statistics creation :
|
|
None
|
|
|
|
Statistics update :
|
|
month_stats:
|
|
top_pages =>
|
|
uri => count
|
|
|
|
Statistics deletion :
|
|
None
|
|
|
|
|
|
plugins.pre_analysis.page_to_hit
|
|
--------------------------------
|
|
|
|
Pre analysis hook
|
|
Change page into hit and hit into page into statistics
|
|
|
|
Plugin requirements :
|
|
None
|
|
|
|
Conf values needed :
|
|
page_to_hit_conf*
|
|
hit_to_page_conf*
|
|
|
|
Output files :
|
|
None
|
|
|
|
Statistics creation :
|
|
None
|
|
|
|
Statistics update :
|
|
visits :
|
|
remote_addr =>
|
|
is_page
|
|
|
|
Statistics deletion :
|
|
None
|
|
|
|
|
|
plugins.pre_analysis.robots
|
|
---------------------------
|
|
|
|
Pre analysis hook
|
|
|
|
Filter robots
|
|
|
|
Plugin requirements :
|
|
None
|
|
|
|
Conf values needed :
|
|
page_to_hit_conf*
|
|
hit_to_page_conf*
|
|
|
|
Output files :
|
|
None
|
|
|
|
Statistics creation :
|
|
None
|
|
|
|
Statistics update :
|
|
visits :
|
|
remote_addr =>
|
|
robot
|
|
|
|
Statistics deletion :
|
|
None
|
|
|
|
|