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MXS-1848 Add initMonitor() and finishMonitor() functions.

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Not called and implementations are dummies.
This commit is contained in:
Johan Wikman
2018-05-04 13:49:18 +03:00
parent ec8b9c773a
commit 02cd7b9275
7 changed files with 126 additions and 1 deletions
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35
include/maxscale/monitor.h
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@ -64,6 +64,38 @@ typedef struct mxs_specific_monitor
*/
typedef struct mxs_monitor_object
{
/**
* @brief Initialize the monitor.
*
* This entry point is called once when MaxScale is started, for
* initializing the monitor.
*
* If the function fails, MaxScale will not start. That is, it
* should fail only for fatal reasons such as not being able to
* create vital resources. The function may contact servers and
* log errors if that does not succeed, but a failure to contact
* some server must not be treated as a fatal error.
*
* @param monitor The monitor object.
* @param params Parameters for this monitor
*
* @return Pointer to the monitor specific data. Will be stored
* in @c monitor->handle.
*/
MXS_SPECIFIC_MONITOR *(*initMonitor)(MXS_MONITOR *monitor,
const MXS_CONFIG_PARAMETER *params);
/**
* @brief Finish the monitor.
*
* This entry point is called once when MaxScale is shutting down, iff
* the earlier call to @c initMonitor returned on object. The monitor should
* perform all needed cleanup.
*
* @param monitor The monitor object.
*/
void (*finishMonitor)(MXS_SPECIFIC_MONITOR *monitor);
/**
* @brief Start the monitor
*
@ -74,7 +106,8 @@ typedef struct mxs_monitor_object
* @param monitor The monitor object
* @param params Parameters for this monitor
*
* @return Pointer to the monitor specific data, stored in @c monitor->handle
* @return Pointer to the monitor specific data. Will be stored
* in @c monitor->handle.
*/
MXS_SPECIFIC_MONITOR *(*startMonitor)(MXS_MONITOR *monitor,
const MXS_CONFIG_PARAMETER *params);