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MXS-1883 Maintenance is now the only user-modifiable bit for a monitored server

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The request to turn maintenance off/on is a separate flag, although the actual
status is still contained in the status bitfield.
This commit is contained in:
Esa Korhonen
2018-05-24 13:47:56 +03:00
parent 2f48d079db
commit c039821467
11 changed files with 182 additions and 40 deletions
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13
include/maxscale/server.h
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@ -41,6 +41,13 @@ extern const char CN_PERSISTMAXTIME[];
extern const char CN_PERSISTPOOLMAX[];
extern const char CN_PROXY_PROTOCOL[];
/**
* Maintenance mode request constants.
*/
const int MAINTENANCE_OFF = -100;
const int MAINTENANCE_NO_CHANGE = 0;
const int MAINTENANCE_ON = 100;
/**
* The server parameters used for weighting routing decissions
*/
@ -137,9 +144,9 @@ typedef struct server
int last_event; /**< The last event that occurred on this server */
int64_t triggered_at; /**< Time when the last event was triggered */
bool active_event; /**< Was MaxScale active when last event was observed */
// Values updated mainly by monitor
// Status descriptors. Updated automatically by a monitor or manually by the admin
uint64_t status; /**< Current status flag bitmap */
uint64_t status_pending; /**< Temporary status, usually written to current status once ready */
int maint_request; /**< Is admin requesting Maintenance=ON/OFF on the server? */
char version_string[MAX_SERVER_VERSION_LEN]; /**< Server version string as given by backend */
uint64_t version; /**< Server version numeric representation */
server_type_t server_type; /**< Server type (MariaDB or MySQL), deduced from version string */
@ -372,8 +379,6 @@ extern uint64_t server_map_status(const char *str);
extern void server_set_version_string(SERVER* server, const char* version_string);
extern void server_set_version(SERVER* server, const char* version_string, uint64_t version);
extern uint64_t server_get_version(const SERVER* server);
extern void server_set_status(SERVER *server, int bit);
extern void server_clear_status(SERVER *server, int bit);
extern void printServer(const SERVER *);
extern void printAllServers();