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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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14
examples/roundrobinrouter.cpp
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@ -572,7 +572,7 @@ static MXS_ROUTER_SESSION* newSession(MXS_ROUTER* instance, MXS_SESSION* session
static void closeSession(MXS_ROUTER* instance, MXS_ROUTER_SESSION* session);
static void freeSession(MXS_ROUTER* instance, MXS_ROUTER_SESSION* session);
static int routeQuery(MXS_ROUTER* instance, MXS_ROUTER_SESSION* session, GWBUF* querybuf);
static void diagnostics(MXS_ROUTER* instance, DCB* dcb);
static json_t* diagnostics(MXS_ROUTER* instance);
static void clientReply(MXS_ROUTER* instance, MXS_ROUTER_SESSION* router_session,
GWBUF* resultbuf, DCB* backend_dcb);
static void handleError(MXS_ROUTER* instance, MXS_ROUTER_SESSION* router_session,
@ -759,12 +759,16 @@ static int routeQuery(MXS_ROUTER* instance, MXS_ROUTER_SESSION* session, GWBUF*
* @param instance The router instance
* @param dcb The DCB for diagnostic output
*/
static void diagnostics(MXS_ROUTER* instance, DCB* dcb)
static json_t* diagnostics(MXS_ROUTER* instance)
{
RRRouter* router = static_cast<RRRouter*>(instance);
dcb_printf(dcb, "\t\tQueries routed successfully: %lu\n", router->m_routing_s);
dcb_printf(dcb, "\t\tFailed routing attempts: %lu\n", router->m_routing_f);
dcb_printf(dcb, "\t\tClient replies routed: %lu\n", router->m_routing_c);
json_t* rval = json_object();
json_object_set_new(rval, "queries_ok", json_integer(router->m_routing_s));
json_object_set_new(rval, "queries_failed", json_integer(router->m_routing_f));
json_object_set_new(rval, "replies", json_integer(router->m_routing_c));
return rval;
}
/**