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Added support for direct connections to shardrouter.

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This commit is contained in:
Markus Makela
2015-03-30 20:45:05 +03:00
parent 97a6bd1b4b
commit e42f171564
2 changed files with 237 additions and 94 deletions
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21
server/modules/include/shardrouter.h
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@ -159,7 +159,20 @@ typedef struct subservice_t{
int state;
int n_res_waiting;
bool mapped;
}SUBSERVICE;
}SUBSERVICE;
/**
* Bitmask values for the router session's initialization. These values are used
* to prevent responses from internal commands being forwarded to the client.
*/
typedef enum shard_init_mask
{
INIT_READY = 0x0,
INIT_MAPPING = 0x1,
INIT_USE_DB = 0x02,
INIT_UNINT = 0x04
} shard_init_mask_t;
/**
* The client session structure used within this router.
@ -172,8 +185,8 @@ struct router_client_session {
int rses_versno; /*< even = no active update, else odd. not used 4/14 */
bool rses_closed; /*< true when closeSession is called */
DCB* rses_client_dcb;
DCB* dummy_dcb; /* DCB used to send the client write messages from the router itself */
DCB* queue_dcb; /* DCB used to send queued queries to the router */
DCB* replydcb; /* DCB used to send the client write messages from the router itself */
DCB* routedcb; /* DCB used to send queued queries to the router */
MYSQL_session* rses_mysql_session;
/** Properties listed by their type */
rses_property_t* rses_properties[RSES_PROP_TYPE_COUNT];
@ -190,6 +203,8 @@ struct router_client_session {
bool hash_init;
SESSION* session;
GWBUF* queue;
char connect_db[MYSQL_DATABASE_MAXLEN+1]; /*< Database the user was trying to connect to */
shard_init_mask_t init; /*< Initialization state bitmask */
#if defined(SS_DEBUG)
skygw_chk_t rses_chk_tail;
#endif