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Additional error checking and documentation.

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Implementation of topfilter options
This commit is contained in:
Mark Riddoch
2014-06-10 11:57:48 +01:00
parent 77e1426dbf
commit a8def0d670
4 changed files with 111 additions and 8 deletions
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37
server/core/filter.c
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@ -135,6 +135,19 @@ FILTER_DEF *filter;
return filter;
}
/**
* Check a parameter to see if it is a standard filter parameter
*
* @param name Parameter name to check
*/
int
filter_standard_parameter(char *name)
{
if (strcmp(name, "type") == 0 || strcmp(name, "module") == 0)
return 1;
return 0;
}
/**
* Print all filters to a DCB
*
@ -285,6 +298,17 @@ int i;
spinlock_release(&filter->spin);
}
/**
* Connect the downstream filter chain for a filter.
*
* This will create the filter instance, loading the filter module, and
* conenct the fitler into the downstream chain.
*
* @param filter The filter to add into the chain
* @param session The client session
* @param downstream The filter downstream of this filter
* @return The downstream component for the next filter
*/
DOWNSTREAM *
filterApply(FILTER_DEF *filter, SESSION *session, DOWNSTREAM *downstream)
{
@ -315,6 +339,19 @@ DOWNSTREAM *me;
return me;
}
/**
* Connect a filter in the up stream filter chain for a session
*
* Note, the filter will have been created when the downstream chian was
* previously setup.
* Note all filters require to be in the upstream chain, so this routine
* may skip a filter if it does not provide an upstream interface.
*
* @param filter The fitler to add to the chain
* @param fsession The filter session
* @param upstream The filter that should be upstream of this filter
* @return The upstream component for the next filter
*/
UPSTREAM *
filterUpstream(FILTER_DEF *filter, void *fsession, UPSTREAM *upstream)
{