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MXS-1220: Implement JSON diagnostics for most routers

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All routers except the binlogrouter now fully implement the JSON
diagnostic entry point. The binlogrouter needs to be handled in a separate
commit as it produces a large amount of diagnostic output.
This commit is contained in:
Markus Mäkelä
2017-04-18 10:48:22 +03:00
committed by Markus Mäkelä
parent 25c8fb8556
commit eb3ff1cc7b
14 changed files with 127 additions and 161 deletions
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31
examples/testfilter.c
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@ -29,20 +29,16 @@
* @endverbatim
*/
static MXS_FILTER *createInstance(const char *name, char **options, MXS_CONFIG_PARAMETER *params);
static MXS_FILTER_SESSION *newSession(MXS_FILTER *instance, MXS_SESSION *session);
static void closeSession(MXS_FILTER *instance, MXS_FILTER_SESSION *session);
static void freeSession(MXS_FILTER *instance, MXS_FILTER_SESSION *session);
static void setDownstream(MXS_FILTER *instance, MXS_FILTER_SESSION *fsession, MXS_DOWNSTREAM *downstream);
static int routeQuery(MXS_FILTER *instance, MXS_FILTER_SESSION *fsession, GWBUF *queue);
static void diagnostic(MXS_FILTER *instance, MXS_FILTER_SESSION *fsession, DCB *dcb);
static MXS_FILTER *createInstance(const char *name, char **options, MXS_CONFIG_PARAMETER *params);
static MXS_FILTER_SESSION *newSession(MXS_FILTER *instance, MXS_SESSION *session);
static void closeSession(MXS_FILTER *instance, MXS_FILTER_SESSION *session);
static void freeSession(MXS_FILTER *instance, MXS_FILTER_SESSION *session);
static void setDownstream(MXS_FILTER *instance, MXS_FILTER_SESSION *fsession, MXS_DOWNSTREAM *downstream);
static int routeQuery(MXS_FILTER *instance, MXS_FILTER_SESSION *fsession, GWBUF *queue);
static json_t* diagnostic(MXS_FILTER *instance, MXS_FILTER_SESSION *fsession);
static uint64_t getCapabilities(MXS_FILTER* instance);
static void destroyInstance(MXS_FILTER *instance);
/**
* A dummy instance structure
*/
@ -225,18 +221,9 @@ routeQuery(MXS_FILTER *instance, MXS_FILTER_SESSION *session, GWBUF *queue)
* @param fsession Filter session, may be NULL
* @param dcb The DCB for diagnostic output
*/
static void
diagnostic(MXS_FILTER *instance, MXS_FILTER_SESSION *fsession, DCB *dcb)
static json_t* diagnostic(MXS_FILTER *instance, MXS_FILTER_SESSION *fsession)
{
TEST_INSTANCE *my_instance = (TEST_INSTANCE *)instance;
TEST_SESSION *my_session = (TEST_SESSION *)fsession;
if (my_session)
dcb_printf(dcb, "\t\tNo. of queries routed by filter: %d\n",
my_session->count);
else
dcb_printf(dcb, "\t\tNo. of sessions created: %d\n",
my_instance->sessions);
return NULL;
}
/**