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Mark Riddoch
2014-08-28 11:42:29 +01:00
parent 81e1dd8719
commit cf55f271f0
1 changed files with 31 additions and 7 deletions
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38
server/modules/include/blr.h
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@ -31,6 +31,7 @@
*/
#include <dcb.h>
#include <buffer.h>
#include <pthread.h>
#define BINLOG_FNAMELEN 16
#define BLR_PROTOCOL "MySQLBackend"
@ -43,7 +44,7 @@
* by the router options highwater and lowwater.
*/
#define DEF_LOW_WATER 20000
#define DEF_HIGH_WATER 100000
#define DEF_HIGH_WATER 300000
/**
* Some useful macros for examining the MySQL Response packets
@ -63,6 +64,16 @@ typedef struct {
int n_bursts; /*< Number of bursts sent */
int n_requests; /*< Number of requests received */
int n_flows; /*< Number of flow control restarts */
int n_catchupnr; /*< No. of times catchup resulted in not entering loop */
int n_alreadyupd;
int n_upd;
int n_cb;
int n_cbna;
int n_dcb;
int n_above;
int n_failed_read;
int n_overrun;
int n_actions[3];
} SLAVE_STATS;
/**
@ -83,11 +94,14 @@ typedef struct router_slave {
char *user; /*< Username if given */
char *passwd; /*< Password if given */
short port; /*< MySQL port */
int nocrc; /*< Disable CRC */
int overrun;
uint32_t rank; /*< Replication rank */
uint8_t seqno; /*< Replication dump sequence no */
SPINLOCK catch_lock; /*< Event catchup lock */
unsigned int cstate; /*< Catch up state */
SPINLOCK rses_lock; /*< Protects rses_deleted */
pthread_t pthread;
struct router_instance
*router; /*< Pointer to the owning router */
struct router_slave *next;
@ -110,9 +124,9 @@ typedef struct {
uint64_t n_cachehits; /*< Number of hits on the binlog cache */
uint64_t n_cachemisses; /*< Number of misses on the binlog cache */
int n_registered; /*< Number of registered slaves */
int n_masterstarts; /*< Numebr of times connection restarted */
int n_masterstarts; /*< Number of times connection restarted */
int n_delayedreconnects;
int n_queueadd; /*< Numebr of times incoming data was added to processign queue */
int n_queueadd; /*< Number of times incoming data was added to processign queue */
int n_residuals; /*< Number of times residual data was buffered */
int n_heartbeats; /*< Number of heartbeat messages */
time_t lastReply;
@ -133,6 +147,9 @@ typedef struct {
GWBUF *uuid; /*< Master UUID */
GWBUF *setslaveuuid; /*< Set Slave UUID */
GWBUF *setnames; /*< Set NAMES latin1 */
GWBUF *utf8; /*< Set NAMES utf8 */
GWBUF *select1; /*< select 1 */
GWBUF *selectver; /*< select version() */
uint8_t *fde_event; /*< Format Description Event */
int fde_len; /*< Length of fde_event */
} MASTER_RESPONSES;
@ -235,15 +252,19 @@ typedef struct rep_header {
#define BLRM_MUUID 0x0008
#define BLRM_SUUID 0x0009
#define BLRM_LATIN1 0x000A
#define BLRM_REGISTER 0x000B
#define BLRM_BINLOGDUMP 0x000C
#define BLRM_UTF8 0x000B
#define BLRM_SELECT1 0x000C
#define BLRM_SELECTVER 0x000D
#define BLRM_REGISTER 0x000E
#define BLRM_BINLOGDUMP 0x000F
#define BLRM_MAXSTATE 0x000C
#define BLRM_MAXSTATE 0x000F
static char *blrm_states[] = { "Unconnected", "Authenticated", "Timestamp retrieval",
"Server ID retrieval", "HeartBeat Period setup", "binlog checksum config",
"binlog checksum rerieval", "GTID Mode retrieval", "Master UUID retrieval",
"Set Slave UUID", "Set Names", "Register slave", "Binlog Dump" };
"Set Slave UUID", "Set Names latin1", "Set Names utf8", "select 1",
"select version()", "Register slave", "Binlog Dump" };
#define BLRS_CREATED 0x0000
#define BLRS_UNREGISTERED 0x0001
@ -262,10 +283,13 @@ static char *blrs_states[] = { "Created", "Unregistered", "Registered",
#define CS_INNERLOOP 0x0002
#define CS_UPTODATE 0x0004
#define CS_EXPECTCB 0x0008
#define CS_DIST 0x0010
#define CS_DISTLATCH 0x0020
/**
* MySQL protocol OpCodes needed for replication
*/
#define COM_QUIT 0x01
#define COM_QUERY 0x03
#define COM_REGISTER_SLAVE 0x15
#define COM_BINLOG_DUMP 0x12