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Initial upstream fitlering implementation.

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Test filter with up and down stream filtering. Keeps top N queries
and prints a report of these queries on session close.
This commit is contained in:
Mark Riddoch
2014-06-09 21:13:28 +01:00
parent 9e164b83f0
commit 77e1426dbf
12 changed files with 519 additions and 14 deletions
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5
server/include/filter.h
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@ -61,6 +61,7 @@ typedef struct {
* filter pipline
* routeQuery Called on each query that requires
* routing
* clientReply
* diagnostics Called to force the filter to print
* diagnostic output
*
@ -74,7 +75,9 @@ typedef struct filter_object {
void (*closeSession)(FILTER *instance, void *fsession);
void (*freeSession)(FILTER *instance, void *fsession);
void (*setDownstream)(FILTER *instance, void *fsession, DOWNSTREAM *downstream);
void (*setUpstream)(FILTER *instance, void *fsession, UPSTREAM *downstream);
int (*routeQuery)(FILTER *instance, void *fsession, GWBUF *queue);
int (*clientReply)(FILTER *instance, void *fsession, GWBUF *queue);
void (*diagnostics)(FILTER *instance, void *fsession, DCB *dcb);
} FILTER_OBJECT;
@ -83,7 +86,7 @@ typedef struct filter_object {
* is changed these values must be updated in line with the rules in the
* file modinfo.h.
*/
#define FILTER_VERSION {1, 0, 0}
#define FILTER_VERSION {1, 1, 0}
/**
* The definition of a filter form the configuration file.
* This is basically the link between a plugin to load and the