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MXS-1220: Add session JSON output

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Sessions can now be printed in JSON.
This commit is contained in:
Markus Mäkelä
2017-04-17 13:50:34 +03:00
committed by Markus Mäkelä
parent 13cba2cb75
commit fd680544d6
2 changed files with 56 additions and 0 deletions
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10
include/maxscale/session.h
View File

@ -25,6 +25,7 @@
#include <maxscale/log_manager.h>
#include <maxscale/resultset.h>
#include <maxscale/spinlock.h>
#include <maxscale/jansson.h>
MXS_BEGIN_DECLS
@ -412,4 +413,13 @@ bool session_take_stmt(MXS_SESSION *session, GWBUF **buffer, const struct server
*/
void session_clear_stmt(MXS_SESSION *session);
/**
* @brief Convert a session to JSON
*
* @param session Session to convert
*
* @return New JSON object or NULL on error
*/
json_t* session_to_json(const MXS_SESSION *session);
MXS_END_DECLS

46
server/core/session.cc
View File

@ -994,3 +994,49 @@ uint32_t session_get_next_id()
{
return atomic_add_uint32(&next_session_id, 1);
}
json_t* session_to_json(const MXS_SESSION *session)
{
json_t* rval = json_object();
json_object_set_new(rval, "id", json_integer(session->ses_id));
json_object_set_new(rval, "state", json_string(session_state(session->state)));
json_object_set_new(rval, "service", json_string(session->service->name));
if (session->client_dcb->user)
{
json_object_set_new(rval, "user", json_string(session->client_dcb->user));
}
if (session->client_dcb->remote)
{
json_object_set_new(rval, "remote", json_string(session->client_dcb->remote));
}
struct tm result;
char buf[60];
json_object_set_new(rval, "connected",
json_string(asctime_r(localtime_r(&session->stats.connect, &result), buf)));
if (session->client_dcb->state == DCB_STATE_POLLING)
{
double idle = (hkheartbeat - session->client_dcb->last_read);
idle = idle > 0 ? idle / 10.f : 0;
json_object_set_new(rval, "idle", json_real(idle));
}
if (session->n_filters)
{
json_t* filters = json_array();
for (int i = 0; i < session->n_filters; i++)
{
json_array_append_new(filters, json_string(session->filters[i].filter->name));
// TODO: Add diagnostic output from filters
}
json_object_set_new(rval, "filters", filters);
}
return rval;
}