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Session-specific logging. Added functions

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void session_enable_log(SESSION* ses, logfile_id_t id)
and
void session_disable_log(SESSION* ses, logfile_id_t id)

Which switch specific log type on/off if the log type in question is not generally enabled.

Each thread carries a thread-specific struct log_info_t which includes members for current session id and bitfield for enabled log types for the current session. That information is checked before actual log write functions are called.

Each file where session-specific logging is used, must include the following exports:

/** Defined in log_manager.cc */
extern int            lm_enabled_logfiles_bitmask;
extern size_t         log_ses_count[];
extern __thread log_info_t tls_log_info;
This commit is contained in:
VilhoRaatikka
2014-11-19 00:08:59 +02:00
parent 7ef54219a6
commit fd11e6a7f5
39 changed files with 379 additions and 133 deletions
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4
server/include/dcb.h
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@ -309,7 +309,9 @@ int dcb_isvalid(DCB *); /* Check the DCB is in the linked list */
bool dcb_set_state(DCB* dcb, dcb_state_t new_state, dcb_state_t* old_state);
void dcb_call_foreach (DCB_REASON reason);
size_t dcb_get_session_id(DCB* dcb);;
size_t dcb_get_session_id(DCB* dcb);
bool dcb_get_ses_log_info(DCB* dcb, size_t* sesid, int* enabled_logs);
/**