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Diffstat (limited to 'doc/plugins.txt')
| -rw-r--r-- | doc/plugins.txt | 88 |
1 files changed, 44 insertions, 44 deletions
diff --git a/doc/plugins.txt b/doc/plugins.txt index 22dee40..91c81fd 100644 --- a/doc/plugins.txt +++ b/doc/plugins.txt @@ -13,23 +13,23 @@ Module: core :abstract: The plugin interface is an integral part of lighttpd which provides a flexible way to add specific functionality to lighttpd. - + .. meta:: :keywords: lighttpd, plugins - + .. contents:: Table of Contents Description =========== Plugins allow you to enhance the functionality of lighttpd without -changing the core of the webserver. They can be loaded at startup time +changing the core of the webserver. They can be loaded at startup time and can change virtually any aspect of the behaviour of the webserver. Plugin Entry Points ------------------- -lighttpd has 16 hooks which are used in different states of the +lighttpd has 16 hooks which are used in different states of the execution of the request: Serverwide hooks @@ -49,7 +49,7 @@ Serverwide hooks Connectionwide hooks ```````````````````` -Most of these hooks are called in ``http_response_prepare()`` after some +Most of these hooks are called in ``http_response_prepare()`` after some fields in the connection structure are set. :handle_uri_raw_: @@ -57,13 +57,13 @@ fields in the connection structure are set. :handle_uri_clean_: called after uri.path (a clean URI without .. and %20) is set :handle_docroot_: - called at the end of the logical path handle to get a docroot + called at the end of the logical path handle to get a docroot :handle_subrequest_start_: called if the physical path is set up and checked :handle_subrequest_: called at the end of ``http_response_prepare()`` :handle_physical_path_: - called after the physical path is created and no other handler is + called after the physical path is created and no other handler is found for this request :handle_request_done_: called when the request is done @@ -73,7 +73,7 @@ fields in the connection structure are set. called after the connection_state_engine is left again and plugin internal handles have to be called :connection_reset_: - called if the connection structure has to be cleaned up + called if the connection structure has to be cleaned up Plugin Interface @@ -82,14 +82,14 @@ Plugin Interface \*_plugin_init `````````````` -Every plugin has a uniquely-named function which is called after the -plugin is loaded. It is used to set up the ``plugin`` structure with +Every plugin has a uniquely-named function which is called after the +plugin is loaded. It is used to set up the ``plugin`` structure with some useful data: - name of the plugin ``name`` -- all hooks +- all hooks -The field ``data`` and ``lib`` should not be touched in the init function. +The field ``data`` and ``lib`` should not be touched in the init function. ``lib`` is the library handler from dlopen and ``data`` will be the storage of the internal plugin data. @@ -99,9 +99,9 @@ of the internal plugin data. init ```` -The first real call of a plugin function is the init hook which is used -to set up the internal plugin data. The internal plugin is assigned the -``data`` field mentioned in the \*_plugin_init description. +The first real call of a plugin function is the init hook which is used +to set up the internal plugin data. The internal plugin is assigned the +``data`` field mentioned in the \*_plugin_init description. :returns: a pointer to the internal plugin data. @@ -109,7 +109,7 @@ to set up the internal plugin data. The internal plugin is assigned the cleanup ``````` -The cleanup hook is called just before the plugin is unloaded. It is meant +The cleanup hook is called just before the plugin is unloaded. It is meant to free all buffers allocated in ``init`` or somewhere else in the plugin which are still not freed and to close all handles which were opened and are not closed yet. @@ -120,16 +120,16 @@ are not closed yet. set_defaults ```````````` -set_defaults is your entry point into the configfile parsing. It should +set_defaults is your entry point into the configfile parsing. It should pass a list of options to ``config_insert_values`` and check if -the plugin configuration is valid. If it is not valid yet, it should +the plugin configuration is valid. If it is not valid yet, it should set useful defaults or return with HANDLER_ERROR and an error message. :returns: HANDLER_GO_ON if ok - + HANDLER_ERROR will terminate lighttpd - + connection_reset ```````````````` @@ -137,9 +137,9 @@ called at the end of each request :returns: HANDLER_GO_ON if ok - + HANDLER_ERROR on error - + handle_trigger `````````````` @@ -147,9 +147,9 @@ called once a second :returns: HANDLER_GO_ON if ok - + HANDLER_ERROR on error - + handle_sighup ````````````` @@ -157,9 +157,9 @@ called if a SIGHUP is received (cycling logfiles, ...) :returns: HANDLER_GO_ON if ok - + HANDLER_ERROR on error - + handle_uri_raw `````````````` @@ -168,9 +168,9 @@ called after uri_raw is set :returns: HANDLER_GO_ON if ok HANDLER_FINISHED if the final output is prepared - + HANDLER_ERROR on error - + handle_uri_clean ```````````````` @@ -179,9 +179,9 @@ called after uri.path is set :returns: HANDLER_GO_ON if ok HANDLER_FINISHED if the final output is prepared - + HANDLER_ERROR on error - + handle_docroot `````````````` @@ -190,9 +190,9 @@ called when a docroot is needed :returns: HANDLER_GO_ON if ok HANDLER_FINISHED if the final output is prepared - + HANDLER_ERROR on error - + handle_subrequest_start ``````````````````````` @@ -201,9 +201,9 @@ called after physical.path is set :returns: HANDLER_GO_ON if ok HANDLER_FINISHED if the final output is prepared - + HANDLER_ERROR on error - + handle_subrequest ````````````````` @@ -212,9 +212,9 @@ called if subrequest_start requested a COMEBACK or a WAIT_FOR_EVENT :returns: HANDLER_GO_ON if ok HANDLER_FINISHED if the final output is prepared - + HANDLER_ERROR on error - + handle_physical_path ```````````````````` @@ -223,9 +223,9 @@ called after physical.path is set :returns: HANDLER_GO_ON if ok HANDLER_FINISHED if the final output is prepared - + HANDLER_ERROR on error - + handle_request_done ``````````````````` @@ -234,9 +234,9 @@ called at the end of the request (logging, statistics, ...) :returns: HANDLER_GO_ON if ok - + HANDLER_ERROR on error - + handle_connection_close ``````````````````````` @@ -244,9 +244,9 @@ called if the connection is terminated :returns: HANDLER_GO_ON if ok - + HANDLER_ERROR on error - + handle_joblist `````````````` @@ -254,7 +254,7 @@ called if the state of the connection has changed :returns: HANDLER_GO_ON if ok - + HANDLER_ERROR on error - + |