Reformat blr.h
By oversight was not reformatted when the source was.
This commit is contained in:
Johan Wikman
@ -24,17 +24,17 @@
|
|||||||
* @verbatim
|
* @verbatim
|
||||||
* Revision History
|
* Revision History
|
||||||
*
|
*
|
||||||
* Date Who Description
|
* Date Who Description
|
||||||
* 02/04/14 Mark Riddoch Initial implementation
|
* 02/04/14 Mark Riddoch Initial implementation
|
||||||
* 25/05/15 Massimiliano Pinto Added BLRM_SLAVE_STOPPED state
|
* 25/05/15 Massimiliano Pinto Added BLRM_SLAVE_STOPPED state
|
||||||
* 05/06/15 Massimiliano Pinto Addition of m_errno, m_errmsg fields
|
* 05/06/15 Massimiliano Pinto Addition of m_errno, m_errmsg fields
|
||||||
* 08/06/15 Massimiliano Pinto Modification of MYSQL_ERROR_CODE and MYSQL_ERROR_MSG
|
* 08/06/15 Massimiliano Pinto Modification of MYSQL_ERROR_CODE and MYSQL_ERROR_MSG
|
||||||
* 11/05/15 Massimiliano Pinto Added mariadb10_compat to master and slave structs
|
* 11/05/15 Massimiliano Pinto Added mariadb10_compat to master and slave structs
|
||||||
* 12/06/15 Massimiliano Pinto Added mariadb10 new events
|
* 12/06/15 Massimiliano Pinto Added mariadb10 new events
|
||||||
* 23/06/15 Massimiliano Pinto Addition of MASTER_SERVER_CFG struct
|
* 23/06/15 Massimiliano Pinto Addition of MASTER_SERVER_CFG struct
|
||||||
* 24/06/15 Massimiliano Pinto Added BLRM_UNCONFIGURED state
|
* 24/06/15 Massimiliano Pinto Added BLRM_UNCONFIGURED state
|
||||||
* 05/08/15 Massimiliano Pinto Initial implementation of transaction safety
|
* 05/08/15 Massimiliano Pinto Initial implementation of transaction safety
|
||||||
* 23/10/15 Markus Makela Added current_safe_event
|
* 23/10/15 Markus Makela Added current_safe_event
|
||||||
*
|
*
|
||||||
* @endverbatim
|
* @endverbatim
|
||||||
*/
|
*/
|
||||||
@ -46,158 +46,158 @@
|
|||||||
#include <zlib.h>
|
#include <zlib.h>
|
||||||
#include <mysql_client_server_protocol.h>
|
#include <mysql_client_server_protocol.h>
|
||||||
|
|
||||||
#define BINLOG_FNAMELEN 255
|
#define BINLOG_FNAMELEN 255
|
||||||
#define BLR_PROTOCOL "MySQLBackend"
|
#define BLR_PROTOCOL "MySQLBackend"
|
||||||
#define BINLOG_MAGIC { 0xfe, 0x62, 0x69, 0x6e }
|
#define BINLOG_MAGIC { 0xfe, 0x62, 0x69, 0x6e }
|
||||||
#define BINLOG_MAGIC_SIZE 4
|
#define BINLOG_MAGIC_SIZE 4
|
||||||
#define BINLOG_NAMEFMT "%s.%06d"
|
#define BINLOG_NAMEFMT "%s.%06d"
|
||||||
#define BINLOG_NAME_ROOT "mysql-bin"
|
#define BINLOG_NAME_ROOT "mysql-bin"
|
||||||
|
|
||||||
#define BINLOG_EVENT_HDR_LEN 19
|
#define BINLOG_EVENT_HDR_LEN 19
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Binlog event types
|
* Binlog event types
|
||||||
*/
|
*/
|
||||||
#define START_EVENT_V3 0x01
|
#define START_EVENT_V3 0x01
|
||||||
#define QUERY_EVENT 0x02
|
#define QUERY_EVENT 0x02
|
||||||
#define STOP_EVENT 0x03
|
#define STOP_EVENT 0x03
|
||||||
#define ROTATE_EVENT 0x04
|
#define ROTATE_EVENT 0x04
|
||||||
#define INTVAR_EVENT 0x05
|
#define INTVAR_EVENT 0x05
|
||||||
#define LOAD_EVENT 0x06
|
#define LOAD_EVENT 0x06
|
||||||
#define SLAVE_EVENT 0x07
|
#define SLAVE_EVENT 0x07
|
||||||
#define CREATE_FILE_EVENT 0x08
|
#define CREATE_FILE_EVENT 0x08
|
||||||
#define APPEND_BLOCK_EVENT 0x09
|
#define APPEND_BLOCK_EVENT 0x09
|
||||||
#define EXEC_LOAD_EVENT 0x0A
|
#define EXEC_LOAD_EVENT 0x0A
|
||||||
#define DELETE_FILE_EVENT 0x0B
|
#define DELETE_FILE_EVENT 0x0B
|
||||||
#define NEW_LOAD_EVENT 0x0C
|
#define NEW_LOAD_EVENT 0x0C
|
||||||
#define RAND_EVENT 0x0D
|
#define RAND_EVENT 0x0D
|
||||||
#define USER_VAR_EVENT 0x0E
|
#define USER_VAR_EVENT 0x0E
|
||||||
#define FORMAT_DESCRIPTION_EVENT 0x0F
|
#define FORMAT_DESCRIPTION_EVENT 0x0F
|
||||||
#define XID_EVENT 0x10
|
#define XID_EVENT 0x10
|
||||||
#define BEGIN_LOAD_QUERY_EVENT 0x11
|
#define BEGIN_LOAD_QUERY_EVENT 0x11
|
||||||
#define EXECUTE_LOAD_QUERY_EVENT 0x12
|
#define EXECUTE_LOAD_QUERY_EVENT 0x12
|
||||||
#define TABLE_MAP_EVENT 0x13
|
#define TABLE_MAP_EVENT 0x13
|
||||||
#define WRITE_ROWS_EVENTv0 0x14
|
#define WRITE_ROWS_EVENTv0 0x14
|
||||||
#define UPDATE_ROWS_EVENTv0 0x15
|
#define UPDATE_ROWS_EVENTv0 0x15
|
||||||
#define DELETE_ROWS_EVENTv0 0x16
|
#define DELETE_ROWS_EVENTv0 0x16
|
||||||
#define WRITE_ROWS_EVENTv1 0x17
|
#define WRITE_ROWS_EVENTv1 0x17
|
||||||
#define UPDATE_ROWS_EVENTv1 0x18
|
#define UPDATE_ROWS_EVENTv1 0x18
|
||||||
#define DELETE_ROWS_EVENTv1 0x19
|
#define DELETE_ROWS_EVENTv1 0x19
|
||||||
#define INCIDENT_EVENT 0x1A
|
#define INCIDENT_EVENT 0x1A
|
||||||
#define HEARTBEAT_EVENT 0x1B
|
#define HEARTBEAT_EVENT 0x1B
|
||||||
#define IGNORABLE_EVENT 0x1C
|
#define IGNORABLE_EVENT 0x1C
|
||||||
#define ROWS_QUERY_EVENT 0x1D
|
#define ROWS_QUERY_EVENT 0x1D
|
||||||
#define WRITE_ROWS_EVENTv2 0x1E
|
#define WRITE_ROWS_EVENTv2 0x1E
|
||||||
#define UPDATE_ROWS_EVENTv2 0x1F
|
#define UPDATE_ROWS_EVENTv2 0x1F
|
||||||
#define DELETE_ROWS_EVENTv2 0x20
|
#define DELETE_ROWS_EVENTv2 0x20
|
||||||
#define GTID_EVENT 0x21
|
#define GTID_EVENT 0x21
|
||||||
#define ANONYMOUS_GTID_EVENT 0x22
|
#define ANONYMOUS_GTID_EVENT 0x22
|
||||||
#define PREVIOUS_GTIDS_EVENT 0x23
|
#define PREVIOUS_GTIDS_EVENT 0x23
|
||||||
|
|
||||||
#define MAX_EVENT_TYPE 0x23
|
#define MAX_EVENT_TYPE 0x23
|
||||||
|
|
||||||
/* New MariaDB event numbers start from 0xa0 */
|
/* New MariaDB event numbers start from 0xa0 */
|
||||||
#define MARIADB_NEW_EVENTS_BEGIN 0xa0
|
#define MARIADB_NEW_EVENTS_BEGIN 0xa0
|
||||||
#define MARIADB_ANNOTATE_ROWS_EVENT 0xa0
|
#define MARIADB_ANNOTATE_ROWS_EVENT 0xa0
|
||||||
/* New MariaDB 10 event numbers start from here */
|
/* New MariaDB 10 event numbers start from here */
|
||||||
#define MARIADB10_BINLOG_CHECKPOINT_EVENT 0xa1
|
#define MARIADB10_BINLOG_CHECKPOINT_EVENT 0xa1
|
||||||
#define MARIADB10_GTID_EVENT 0xa2
|
#define MARIADB10_GTID_EVENT 0xa2
|
||||||
#define MARIADB10_GTID_GTID_LIST_EVENT 0xa3
|
#define MARIADB10_GTID_GTID_LIST_EVENT 0xa3
|
||||||
|
|
||||||
#define MAX_EVENT_TYPE_MARIADB10 0xa3
|
#define MAX_EVENT_TYPE_MARIADB10 0xa3
|
||||||
|
|
||||||
/* Maximum event type so far */
|
/* Maximum event type so far */
|
||||||
#define MAX_EVENT_TYPE_END MAX_EVENT_TYPE_MARIADB10
|
#define MAX_EVENT_TYPE_END MAX_EVENT_TYPE_MARIADB10
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Binlog event flags
|
* Binlog event flags
|
||||||
*/
|
*/
|
||||||
#define LOG_EVENT_BINLOG_IN_USE_F 0x0001
|
#define LOG_EVENT_BINLOG_IN_USE_F 0x0001
|
||||||
#define LOG_EVENT_FORCED_ROTATE_F 0x0002
|
#define LOG_EVENT_FORCED_ROTATE_F 0x0002
|
||||||
#define LOG_EVENT_THREAD_SPECIFIC_F 0x0004
|
#define LOG_EVENT_THREAD_SPECIFIC_F 0x0004
|
||||||
#define LOG_EVENT_SUPPRESS_USE_F 0x0008
|
#define LOG_EVENT_SUPPRESS_USE_F 0x0008
|
||||||
#define LOG_EVENT_UPDATE_TABLE_MAP_VERSION_F 0x0010
|
#define LOG_EVENT_UPDATE_TABLE_MAP_VERSION_F 0x0010
|
||||||
#define LOG_EVENT_ARTIFICIAL_F 0x0020
|
#define LOG_EVENT_ARTIFICIAL_F 0x0020
|
||||||
#define LOG_EVENT_RELAY_LOG_F 0x0040
|
#define LOG_EVENT_RELAY_LOG_F 0x0040
|
||||||
#define LOG_EVENT_IGNORABLE_F 0x0080
|
#define LOG_EVENT_IGNORABLE_F 0x0080
|
||||||
#define LOG_EVENT_NO_FILTER_F 0x0100
|
#define LOG_EVENT_NO_FILTER_F 0x0100
|
||||||
#define LOG_EVENT_MTS_ISOLATE_F 0x0200
|
#define LOG_EVENT_MTS_ISOLATE_F 0x0200
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* How often to call the binlog status function (seconds)
|
* How often to call the binlog status function (seconds)
|
||||||
*/
|
*/
|
||||||
#define BLR_STATS_FREQ 60
|
#define BLR_STATS_FREQ 60
|
||||||
#define BLR_NSTATS_MINUTES 30
|
#define BLR_NSTATS_MINUTES 30
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* High and Low water marks for the slave dcb. These values can be overriden
|
* High and Low water marks for the slave dcb. These values can be overriden
|
||||||
* by the router options highwater and lowwater.
|
* by the router options highwater and lowwater.
|
||||||
*/
|
*/
|
||||||
#define DEF_LOW_WATER 1000
|
#define DEF_LOW_WATER 1000
|
||||||
#define DEF_HIGH_WATER 10000
|
#define DEF_HIGH_WATER 10000
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Default burst sizes for slave catchup
|
* Default burst sizes for slave catchup
|
||||||
*/
|
*/
|
||||||
#define DEF_SHORT_BURST 15
|
#define DEF_SHORT_BURST 15
|
||||||
#define DEF_LONG_BURST 500
|
#define DEF_LONG_BURST 500
|
||||||
#define DEF_BURST_SIZE 1024000 /* 1 Mb */
|
#define DEF_BURST_SIZE 1024000 /* 1 Mb */
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* master reconnect backoff constants
|
* master reconnect backoff constants
|
||||||
* BLR_MASTER_BACKOFF_TIME The increments of the back off time (seconds)
|
* BLR_MASTER_BACKOFF_TIME The increments of the back off time (seconds)
|
||||||
* BLR_MAX_BACKOFF Maximum number of increments to backoff to
|
* BLR_MAX_BACKOFF Maximum number of increments to backoff to
|
||||||
*/
|
*/
|
||||||
#define BLR_MASTER_BACKOFF_TIME 10
|
#define BLR_MASTER_BACKOFF_TIME 10
|
||||||
#define BLR_MAX_BACKOFF 60
|
#define BLR_MAX_BACKOFF 60
|
||||||
|
|
||||||
/* max size for error message returned to client */
|
/* max size for error message returned to client */
|
||||||
#define BINLOG_ERROR_MSG_LEN 385
|
#define BINLOG_ERROR_MSG_LEN 385
|
||||||
|
|
||||||
/* network latency extra wait tme for heartbeat check */
|
/* network latency extra wait tme for heartbeat check */
|
||||||
#define BLR_NET_LATENCY_WAIT_TIME 1
|
#define BLR_NET_LATENCY_WAIT_TIME 1
|
||||||
|
|
||||||
/* default heartbeat interval in seconds */
|
/* default heartbeat interval in seconds */
|
||||||
#define BLR_HEARTBEAT_DEFAULT_INTERVAL 300
|
#define BLR_HEARTBEAT_DEFAULT_INTERVAL 300
|
||||||
|
|
||||||
/* strings and numbers in SQL replies */
|
/* strings and numbers in SQL replies */
|
||||||
#define BLR_TYPE_STRING 0xf
|
#define BLR_TYPE_STRING 0xf
|
||||||
#define BLR_TYPE_INT 0x03
|
#define BLR_TYPE_INT 0x03
|
||||||
|
|
||||||
/* string len for COM_STATISTICS output */
|
/* string len for COM_STATISTICS output */
|
||||||
#define BLRM_COM_STATISTICS_SIZE 1000
|
#define BLRM_COM_STATISTICS_SIZE 1000
|
||||||
|
|
||||||
/* string len for strerror_r message */
|
/* string len for strerror_r message */
|
||||||
#define BLRM_STRERROR_R_MSG_SIZE 128
|
#define BLRM_STRERROR_R_MSG_SIZE 128
|
||||||
|
|
||||||
/* string len for task message name */
|
/* string len for task message name */
|
||||||
#define BLRM_TASK_NAME_LEN 80
|
#define BLRM_TASK_NAME_LEN 80
|
||||||
|
|
||||||
/* string len for temp binlog filename */
|
/* string len for temp binlog filename */
|
||||||
#define BLRM_BINLOG_NAME_STR_LEN 80
|
#define BLRM_BINLOG_NAME_STR_LEN 80
|
||||||
|
|
||||||
/* string len for temp binlog filename */
|
/* string len for temp binlog filename */
|
||||||
#define BLRM_SET_HEARTBEAT_QUERY_LEN 80
|
#define BLRM_SET_HEARTBEAT_QUERY_LEN 80
|
||||||
|
|
||||||
/* string len for master registration query */
|
/* string len for master registration query */
|
||||||
#define BLRM_MASTER_REGITRATION_QUERY_LEN 255
|
#define BLRM_MASTER_REGITRATION_QUERY_LEN 255
|
||||||
|
|
||||||
/* Read Binlog position states */
|
/* Read Binlog position states */
|
||||||
#define SLAVE_POS_READ_OK 0x00
|
#define SLAVE_POS_READ_OK 0x00
|
||||||
#define SLAVE_POS_READ_ERR 0xff
|
#define SLAVE_POS_READ_ERR 0xff
|
||||||
#define SLAVE_POS_READ_UNSAFE 0xfe
|
#define SLAVE_POS_READ_UNSAFE 0xfe
|
||||||
#define SLAVE_POS_BAD_FD 0xfd
|
#define SLAVE_POS_BAD_FD 0xfd
|
||||||
#define SLAVE_POS_BEYOND_EOF 0xfc
|
#define SLAVE_POS_BEYOND_EOF 0xfc
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Some useful macros for examining the MySQL Response packets
|
* Some useful macros for examining the MySQL Response packets
|
||||||
*/
|
*/
|
||||||
#define MYSQL_RESPONSE_OK(buf) (*((uint8_t *)GWBUF_DATA(buf) + 4) == 0x00)
|
#define MYSQL_RESPONSE_OK(buf) (*((uint8_t *)GWBUF_DATA(buf) + 4) == 0x00)
|
||||||
#define MYSQL_RESPONSE_EOF(buf) (*((uint8_t *)GWBUF_DATA(buf) + 4) == 0xfe)
|
#define MYSQL_RESPONSE_EOF(buf) (*((uint8_t *)GWBUF_DATA(buf) + 4) == 0xfe)
|
||||||
#define MYSQL_RESPONSE_ERR(buf) (*((uint8_t *)GWBUF_DATA(buf) + 4) == 0xff)
|
#define MYSQL_RESPONSE_ERR(buf) (*((uint8_t *)GWBUF_DATA(buf) + 4) == 0xff)
|
||||||
#define MYSQL_ERROR_CODE(buf) ((uint8_t *)GWBUF_DATA(buf) + 5)
|
#define MYSQL_ERROR_CODE(buf) ((uint8_t *)GWBUF_DATA(buf) + 5)
|
||||||
#define MYSQL_ERROR_MSG(buf) ((uint8_t *)GWBUF_DATA(buf) + 7)
|
#define MYSQL_ERROR_MSG(buf) ((uint8_t *)GWBUF_DATA(buf) + 7)
|
||||||
#define MYSQL_COMMAND(buf) (*((uint8_t *)GWBUF_DATA(buf) + 4))
|
#define MYSQL_COMMAND(buf) (*((uint8_t *)GWBUF_DATA(buf) + 4))
|
||||||
|
|
||||||
/** Possible states of an event sent by the master */
|
/** Possible states of an event sent by the master */
|
||||||
enum blr_event_state
|
enum blr_event_state
|
||||||
@ -211,139 +211,147 @@ enum blr_event_state
|
|||||||
};
|
};
|
||||||
|
|
||||||
/* Master Server configuration struct */
|
/* Master Server configuration struct */
|
||||||
typedef struct master_server_config {
|
typedef struct master_server_config
|
||||||
char *host;
|
{
|
||||||
unsigned short port;
|
char *host;
|
||||||
char logfile[BINLOG_FNAMELEN+1];
|
unsigned short port;
|
||||||
uint64_t pos;
|
char logfile[BINLOG_FNAMELEN+1];
|
||||||
uint64_t safe_pos;
|
uint64_t pos;
|
||||||
char *user;
|
uint64_t safe_pos;
|
||||||
char *password;
|
char *user;
|
||||||
char *filestem;
|
char *password;
|
||||||
|
char *filestem;
|
||||||
} MASTER_SERVER_CFG;
|
} MASTER_SERVER_CFG;
|
||||||
|
|
||||||
/* Config struct for CHANGE MASTER TO options */
|
/* Config struct for CHANGE MASTER TO options */
|
||||||
typedef struct change_master_options {
|
typedef struct change_master_options
|
||||||
char *host;
|
{
|
||||||
char *port;
|
char *host;
|
||||||
char *binlog_file;
|
char *port;
|
||||||
char *binlog_pos;
|
char *binlog_file;
|
||||||
char *user;
|
char *binlog_pos;
|
||||||
char *password;
|
char *user;
|
||||||
|
char *password;
|
||||||
} CHANGE_MASTER_OPTIONS;
|
} CHANGE_MASTER_OPTIONS;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Packet header for replication messages
|
* Packet header for replication messages
|
||||||
*/
|
*/
|
||||||
typedef struct rep_header {
|
typedef struct rep_header
|
||||||
int payload_len; /*< Payload length (24 bits) */
|
{
|
||||||
uint8_t seqno; /*< Response sequence number */
|
int payload_len; /*< Payload length (24 bits) */
|
||||||
uint8_t ok; /*< OK Byte from packet */
|
uint8_t seqno; /*< Response sequence number */
|
||||||
uint32_t timestamp; /*< Timestamp - start of binlog record */
|
uint8_t ok; /*< OK Byte from packet */
|
||||||
uint8_t event_type; /*< Binlog event type */
|
uint32_t timestamp; /*< Timestamp - start of binlog record */
|
||||||
uint32_t serverid; /*< Server id of master */
|
uint8_t event_type; /*< Binlog event type */
|
||||||
uint32_t event_size; /*< Size of header, post-header and body */
|
uint32_t serverid; /*< Server id of master */
|
||||||
uint32_t next_pos; /*< Position of next event */
|
uint32_t event_size; /*< Size of header, post-header and body */
|
||||||
uint16_t flags; /*< Event flags */
|
uint32_t next_pos; /*< Position of next event */
|
||||||
|
uint16_t flags; /*< Event flags */
|
||||||
} REP_HEADER;
|
} REP_HEADER;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* The binlog record structure. This contains the actual packet read from the binlog
|
* The binlog record structure. This contains the actual packet read from the binlog
|
||||||
* file.
|
* file.
|
||||||
*/
|
*/
|
||||||
typedef struct {
|
typedef struct
|
||||||
unsigned long position; /*< binlog record position for this cache entry */
|
{
|
||||||
GWBUF *pkt; /*< The packet received from the master */
|
unsigned long position; /*< binlog record position for this cache entry */
|
||||||
REP_HEADER hdr; /*< The packet header */
|
GWBUF *pkt; /*< The packet received from the master */
|
||||||
|
REP_HEADER hdr; /*< The packet header */
|
||||||
} BLCACHE_RECORD;
|
} BLCACHE_RECORD;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* The binlog cache. A cache exists for each file that hold cached bin log records.
|
* The binlog cache. A cache exists for each file that hold cached bin log records.
|
||||||
* Caches will be used for all files being read by more than 1 slave.
|
* Caches will be used for all files being read by more than 1 slave.
|
||||||
*/
|
*/
|
||||||
typedef struct {
|
typedef struct
|
||||||
BLCACHE_RECORD **records; /*< The actual binlog records */
|
{
|
||||||
int current; /*< The next record that will be inserted */
|
BLCACHE_RECORD **records; /*< The actual binlog records */
|
||||||
int cnt; /*< The number of records in the cache */
|
int current; /*< The next record that will be inserted */
|
||||||
SPINLOCK lock; /*< The spinlock for the cache */
|
int cnt; /*< The number of records in the cache */
|
||||||
|
SPINLOCK lock; /*< The spinlock for the cache */
|
||||||
} BLCACHE;
|
} BLCACHE;
|
||||||
|
|
||||||
typedef struct blfile {
|
typedef struct blfile
|
||||||
char binlogname[BINLOG_FNAMELEN+1]; /*< Name of the binlog file */
|
{
|
||||||
int fd; /*< Actual file descriptor */
|
char binlogname[BINLOG_FNAMELEN+1]; /*< Name of the binlog file */
|
||||||
int refcnt; /*< Reference count for file */
|
int fd; /*< Actual file descriptor */
|
||||||
BLCACHE *cache; /*< Record cache for this file */
|
int refcnt; /*< Reference count for file */
|
||||||
SPINLOCK lock; /*< The file lock */
|
BLCACHE *cache; /*< Record cache for this file */
|
||||||
struct blfile *next; /*< Next file in list */
|
SPINLOCK lock; /*< The file lock */
|
||||||
|
struct blfile *next; /*< Next file in list */
|
||||||
} BLFILE;
|
} BLFILE;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Slave statistics
|
* Slave statistics
|
||||||
*/
|
*/
|
||||||
typedef struct {
|
typedef struct
|
||||||
int n_events; /*< Number of events sent */
|
{
|
||||||
unsigned long n_bytes; /*< Number of bytes sent */
|
int n_events; /*< Number of events sent */
|
||||||
int n_bursts; /*< Number of bursts sent */
|
unsigned long n_bytes; /*< Number of bytes sent */
|
||||||
int n_requests; /*< Number of requests received */
|
int n_bursts; /*< Number of bursts sent */
|
||||||
int n_flows; /*< Number of flow control restarts */
|
int n_requests; /*< Number of requests received */
|
||||||
int n_queries; /*< Number of SQL queries */
|
int n_flows; /*< Number of flow control restarts */
|
||||||
int n_upd;
|
int n_queries; /*< Number of SQL queries */
|
||||||
int n_cb;
|
int n_upd;
|
||||||
int n_cbna;
|
int n_cb;
|
||||||
int n_dcb;
|
int n_cbna;
|
||||||
int n_above;
|
int n_dcb;
|
||||||
int n_failed_read;
|
int n_above;
|
||||||
int n_overrun;
|
int n_failed_read;
|
||||||
int n_caughtup;
|
int n_overrun;
|
||||||
int n_actions[3];
|
int n_caughtup;
|
||||||
uint64_t lastsample;
|
int n_actions[3];
|
||||||
int minno;
|
uint64_t lastsample;
|
||||||
int minavgs[BLR_NSTATS_MINUTES];
|
int minno;
|
||||||
|
int minavgs[BLR_NSTATS_MINUTES];
|
||||||
} SLAVE_STATS;
|
} SLAVE_STATS;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* The client session structure used within this router. This represents
|
* The client session structure used within this router. This represents
|
||||||
* the slaves that are replicating binlogs from MaxScale.
|
* the slaves that are replicating binlogs from MaxScale.
|
||||||
*/
|
*/
|
||||||
typedef struct router_slave {
|
typedef struct router_slave
|
||||||
|
{
|
||||||
#if defined(SS_DEBUG)
|
#if defined(SS_DEBUG)
|
||||||
skygw_chk_t rses_chk_top;
|
skygw_chk_t rses_chk_top;
|
||||||
#endif
|
#endif
|
||||||
DCB *dcb; /*< The slave server DCB */
|
DCB *dcb; /*< The slave server DCB */
|
||||||
int state; /*< The state of this slave */
|
int state; /*< The state of this slave */
|
||||||
uint32_t binlog_pos; /*< Binlog position for this slave */
|
uint32_t binlog_pos; /*< Binlog position for this slave */
|
||||||
char binlogfile[BINLOG_FNAMELEN+1];
|
char binlogfile[BINLOG_FNAMELEN+1];
|
||||||
/*< Current binlog file for this slave */
|
/*< Current binlog file for this slave */
|
||||||
char *uuid; /*< Slave UUID */
|
char *uuid; /*< Slave UUID */
|
||||||
#ifdef BLFILE_IN_SLAVE
|
#ifdef BLFILE_IN_SLAVE
|
||||||
BLFILE *file; /*< Currently open binlog file */
|
BLFILE *file; /*< Currently open binlog file */
|
||||||
#endif
|
#endif
|
||||||
int serverid; /*< Server-id of the slave */
|
int serverid; /*< Server-id of the slave */
|
||||||
char *hostname; /*< Hostname of the slave, if known */
|
char *hostname; /*< Hostname of the slave, if known */
|
||||||
char *user; /*< Username if given */
|
char *user; /*< Username if given */
|
||||||
char *passwd; /*< Password if given */
|
char *passwd; /*< Password if given */
|
||||||
short port; /*< MySQL port */
|
short port; /*< MySQL port */
|
||||||
int nocrc; /*< Disable CRC */
|
int nocrc; /*< Disable CRC */
|
||||||
int overrun;
|
int overrun;
|
||||||
uint32_t rank; /*< Replication rank */
|
uint32_t rank; /*< Replication rank */
|
||||||
uint8_t seqno; /*< Replication dump sequence no */
|
uint8_t seqno; /*< Replication dump sequence no */
|
||||||
uint32_t lastEventTimestamp;/*< Last event timestamp sent */
|
uint32_t lastEventTimestamp;/*< Last event timestamp sent */
|
||||||
SPINLOCK catch_lock; /*< Event catchup lock */
|
SPINLOCK catch_lock; /*< Event catchup lock */
|
||||||
unsigned int cstate; /*< Catch up state */
|
unsigned int cstate; /*< Catch up state */
|
||||||
bool mariadb10_compat;/*< MariaDB 10.0 compatibility */
|
bool mariadb10_compat;/*< MariaDB 10.0 compatibility */
|
||||||
SPINLOCK rses_lock; /*< Protects rses_deleted */
|
SPINLOCK rses_lock; /*< Protects rses_deleted */
|
||||||
pthread_t pthread;
|
pthread_t pthread;
|
||||||
struct router_instance
|
struct router_instance
|
||||||
*router; /*< Pointer to the owning router */
|
*router; /*< Pointer to the owning router */
|
||||||
struct router_slave *next;
|
struct router_slave *next;
|
||||||
SLAVE_STATS stats; /*< Slave statistics */
|
SLAVE_STATS stats; /*< Slave statistics */
|
||||||
time_t connect_time; /*< Connect time of slave */
|
time_t connect_time; /*< Connect time of slave */
|
||||||
char *warning_msg; /*< Warning message */
|
char *warning_msg; /*< Warning message */
|
||||||
int heartbeat; /*< Heartbeat in seconds */
|
int heartbeat; /*< Heartbeat in seconds */
|
||||||
uint8_t lastEventReceived; /*< Last event received */
|
uint8_t lastEventReceived; /*< Last event received */
|
||||||
time_t lastReply; /*< Last event sent */
|
time_t lastReply; /*< Last event sent */
|
||||||
#if defined(SS_DEBUG)
|
#if defined(SS_DEBUG)
|
||||||
skygw_chk_t rses_chk_tail;
|
skygw_chk_t rses_chk_tail;
|
||||||
#endif
|
#endif
|
||||||
} ROUTER_SLAVE;
|
} ROUTER_SLAVE;
|
||||||
|
|
||||||
@ -351,215 +359,224 @@ typedef struct router_slave {
|
|||||||
/**
|
/**
|
||||||
* The statistics for this router instance
|
* The statistics for this router instance
|
||||||
*/
|
*/
|
||||||
typedef struct {
|
typedef struct
|
||||||
int n_slaves; /*< Number slave sessions created */
|
{
|
||||||
int n_reads; /*< Number of record reads */
|
int n_slaves; /*< Number slave sessions created */
|
||||||
uint64_t n_binlogs; /*< Number of binlog records from master */
|
int n_reads; /*< Number of record reads */
|
||||||
uint64_t n_binlogs_ses; /*< Number of binlog records from master */
|
uint64_t n_binlogs; /*< Number of binlog records from master */
|
||||||
uint64_t n_binlog_errors;/*< Number of binlog records from master */
|
uint64_t n_binlogs_ses; /*< Number of binlog records from master */
|
||||||
uint64_t n_rotates; /*< Number of binlog rotate events */
|
uint64_t n_binlog_errors;/*< Number of binlog records from master */
|
||||||
uint64_t n_cachehits; /*< Number of hits on the binlog cache */
|
uint64_t n_rotates; /*< Number of binlog rotate events */
|
||||||
uint64_t n_cachemisses; /*< Number of misses on the binlog cache */
|
uint64_t n_cachehits; /*< Number of hits on the binlog cache */
|
||||||
int n_registered; /*< Number of registered slaves */
|
uint64_t n_cachemisses; /*< Number of misses on the binlog cache */
|
||||||
int n_masterstarts; /*< Number of times connection restarted */
|
int n_registered; /*< Number of registered slaves */
|
||||||
int n_delayedreconnects;
|
int n_masterstarts; /*< Number of times connection restarted */
|
||||||
int n_residuals; /*< Number of times residual data was buffered */
|
int n_delayedreconnects;
|
||||||
int n_heartbeats; /*< Number of heartbeat messages */
|
int n_residuals; /*< Number of times residual data was buffered */
|
||||||
time_t lastReply;
|
int n_heartbeats; /*< Number of heartbeat messages */
|
||||||
uint64_t n_fakeevents; /*< Fake events not written to disk */
|
time_t lastReply;
|
||||||
uint64_t n_artificial; /*< Artificial events not written to disk */
|
uint64_t n_fakeevents; /*< Fake events not written to disk */
|
||||||
int n_badcrc; /*< No. of bad CRC's from master */
|
uint64_t n_artificial; /*< Artificial events not written to disk */
|
||||||
uint64_t events[MAX_EVENT_TYPE_END + 1]; /*< Per event counters */
|
int n_badcrc; /*< No. of bad CRC's from master */
|
||||||
uint64_t lastsample;
|
uint64_t events[MAX_EVENT_TYPE_END + 1]; /*< Per event counters */
|
||||||
int minno;
|
uint64_t lastsample;
|
||||||
int minavgs[BLR_NSTATS_MINUTES];
|
int minno;
|
||||||
|
int minavgs[BLR_NSTATS_MINUTES];
|
||||||
} ROUTER_STATS;
|
} ROUTER_STATS;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Saved responses from the master that will be forwarded to slaves
|
* Saved responses from the master that will be forwarded to slaves
|
||||||
*/
|
*/
|
||||||
typedef struct {
|
typedef struct
|
||||||
GWBUF *server_id; /*< Master server id */
|
{
|
||||||
GWBUF *heartbeat; /*< Heartbeat period */
|
GWBUF *server_id; /*< Master server id */
|
||||||
GWBUF *chksum1; /*< Binlog checksum 1st response */
|
GWBUF *heartbeat; /*< Heartbeat period */
|
||||||
GWBUF *chksum2; /*< Binlog checksum 2nd response */
|
GWBUF *chksum1; /*< Binlog checksum 1st response */
|
||||||
GWBUF *gtid_mode; /*< GTID Mode response */
|
GWBUF *chksum2; /*< Binlog checksum 2nd response */
|
||||||
GWBUF *uuid; /*< Master UUID */
|
GWBUF *gtid_mode; /*< GTID Mode response */
|
||||||
GWBUF *setslaveuuid; /*< Set Slave UUID */
|
GWBUF *uuid; /*< Master UUID */
|
||||||
GWBUF *setnames; /*< Set NAMES latin1 */
|
GWBUF *setslaveuuid; /*< Set Slave UUID */
|
||||||
GWBUF *utf8; /*< Set NAMES utf8 */
|
GWBUF *setnames; /*< Set NAMES latin1 */
|
||||||
GWBUF *select1; /*< select 1 */
|
GWBUF *utf8; /*< Set NAMES utf8 */
|
||||||
GWBUF *selectver; /*< select version() */
|
GWBUF *select1; /*< select 1 */
|
||||||
GWBUF *selectvercom; /*< select @@version_comment */
|
GWBUF *selectver; /*< select version() */
|
||||||
GWBUF *selecthostname;/*< select @@hostname */
|
GWBUF *selectvercom; /*< select @@version_comment */
|
||||||
GWBUF *map; /*< select @@max_allowed_packet */
|
GWBUF *selecthostname;/*< select @@hostname */
|
||||||
GWBUF *mariadb10; /*< set @mariadb_slave_capability */
|
GWBUF *map; /*< select @@max_allowed_packet */
|
||||||
uint8_t *fde_event; /*< Format Description Event */
|
GWBUF *mariadb10; /*< set @mariadb_slave_capability */
|
||||||
int fde_len; /*< Length of fde_event */
|
uint8_t *fde_event; /*< Format Description Event */
|
||||||
|
int fde_len; /*< Length of fde_event */
|
||||||
} MASTER_RESPONSES;
|
} MASTER_RESPONSES;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* The per instance data for the router.
|
* The per instance data for the router.
|
||||||
*/
|
*/
|
||||||
typedef struct router_instance {
|
typedef struct router_instance
|
||||||
SERVICE *service; /*< Pointer to the service using this router */
|
{
|
||||||
ROUTER_SLAVE *slaves; /*< Link list of all the slave connections */
|
SERVICE *service; /*< Pointer to the service using this router */
|
||||||
SPINLOCK lock; /*< Spinlock for the instance data */
|
ROUTER_SLAVE *slaves; /*< Link list of all the slave connections */
|
||||||
char *uuid; /*< UUID for the router to use w/master */
|
SPINLOCK lock; /*< Spinlock for the instance data */
|
||||||
int masterid; /*< Set ID of the master, sent to slaves */
|
char *uuid; /*< UUID for the router to use w/master */
|
||||||
int serverid; /*< ID for the router to use w/master */
|
int masterid; /*< Set ID of the master, sent to slaves */
|
||||||
int initbinlog; /*< Initial binlog file number */
|
int serverid; /*< ID for the router to use w/master */
|
||||||
char *user; /*< User name to use with master */
|
int initbinlog; /*< Initial binlog file number */
|
||||||
char *password; /*< Password to use with master */
|
char *user; /*< User name to use with master */
|
||||||
char *fileroot; /*< Root of binlog filename */
|
char *password; /*< Password to use with master */
|
||||||
bool master_chksum; /*< Does the master provide checksums */
|
char *fileroot; /*< Root of binlog filename */
|
||||||
bool mariadb10_compat; /*< MariaDB 10.0 compatibility */
|
bool master_chksum; /*< Does the master provide checksums */
|
||||||
char *master_uuid; /*< Set UUID of the master, sent to slaves */
|
bool mariadb10_compat; /*< MariaDB 10.0 compatibility */
|
||||||
DCB *master; /*< DCB for master connection */
|
char *master_uuid; /*< Set UUID of the master, sent to slaves */
|
||||||
DCB *client; /*< DCB for dummy client */
|
DCB *master; /*< DCB for master connection */
|
||||||
SESSION *session; /*< Fake session for master connection */
|
DCB *client; /*< DCB for dummy client */
|
||||||
unsigned int master_state; /*< State of the master FSM */
|
SESSION *session; /*< Fake session for master connection */
|
||||||
uint8_t lastEventReceived; /*< Last even received */
|
unsigned int master_state; /*< State of the master FSM */
|
||||||
uint32_t lastEventTimestamp; /*< Timestamp from last event */
|
uint8_t lastEventReceived; /*< Last even received */
|
||||||
GWBUF *residual; /*< Any residual binlog event */
|
uint32_t lastEventTimestamp; /*< Timestamp from last event */
|
||||||
MASTER_RESPONSES saved_master; /*< Saved master responses */
|
GWBUF *residual; /*< Any residual binlog event */
|
||||||
char *binlogdir; /*< The directory with the binlog files */
|
MASTER_RESPONSES saved_master; /*< Saved master responses */
|
||||||
SPINLOCK binlog_lock; /*< Lock to control update of the binlog position */
|
char *binlogdir; /*< The directory with the binlog files */
|
||||||
int trx_safe; /*< Detect and handle partial transactions */
|
SPINLOCK binlog_lock; /*< Lock to control update of the binlog position */
|
||||||
int pending_transaction; /*< Pending transaction */
|
int trx_safe; /*< Detect and handle partial transactions */
|
||||||
enum blr_event_state master_event_state; /*< Packet read state */
|
int pending_transaction; /*< Pending transaction */
|
||||||
uint32_t stored_checksum; /*< The current value of the checksum */
|
enum blr_event_state master_event_state; /*< Packet read state */
|
||||||
uint8_t partial_checksum[MYSQL_CHECKSUM_LEN]; /*< The partial value of the checksum
|
uint32_t stored_checksum; /*< The current value of the checksum */
|
||||||
* received from the master */
|
uint8_t partial_checksum[MYSQL_CHECKSUM_LEN]; /*< The partial value of the checksum
|
||||||
uint8_t partial_checksum_bytes; /*< How many bytes of the checksum we have read */
|
* received from the master */
|
||||||
uint64_t checksum_size; /*< Data size for the checksum */
|
uint8_t partial_checksum_bytes; /*< How many bytes of the checksum we have read */
|
||||||
REP_HEADER stored_header; /*< Relication header of the event the master is sending */
|
uint64_t checksum_size; /*< Data size for the checksum */
|
||||||
uint64_t last_safe_pos; /* last committed transaction */
|
REP_HEADER stored_header; /*< Relication header of the event the master is sending */
|
||||||
char binlog_name[BINLOG_FNAMELEN+1];
|
uint64_t last_safe_pos; /* last committed transaction */
|
||||||
/*< Name of the current binlog file */
|
char binlog_name[BINLOG_FNAMELEN+1];
|
||||||
uint64_t binlog_position;
|
/*< Name of the current binlog file */
|
||||||
/*< last committed transaction position */
|
uint64_t binlog_position;
|
||||||
uint64_t current_pos;
|
/*< last committed transaction position */
|
||||||
/*< Current binlog position */
|
uint64_t current_pos;
|
||||||
int binlog_fd; /*< File descriptor of the binlog
|
/*< Current binlog position */
|
||||||
* file being written
|
int binlog_fd; /*< File descriptor of the binlog
|
||||||
*/
|
* file being written
|
||||||
uint64_t last_written; /*< Position of the last write operation */
|
*/
|
||||||
uint64_t last_event_pos; /*< Position of last event written */
|
uint64_t last_written; /*< Position of the last write operation */
|
||||||
uint64_t current_safe_event;
|
uint64_t last_event_pos; /*< Position of last event written */
|
||||||
/*< Position of the latest safe event being sent to slaves */
|
uint64_t current_safe_event;
|
||||||
char prevbinlog[BINLOG_FNAMELEN+1];
|
/*< Position of the latest safe event being sent to slaves */
|
||||||
int rotating; /*< Rotation in progress flag */
|
char prevbinlog[BINLOG_FNAMELEN+1];
|
||||||
BLFILE *files; /*< Files used by the slaves */
|
int rotating; /*< Rotation in progress flag */
|
||||||
SPINLOCK fileslock; /*< Lock for the files queue above */
|
BLFILE *files; /*< Files used by the slaves */
|
||||||
unsigned int low_water; /*< Low water mark for client DCB */
|
SPINLOCK fileslock; /*< Lock for the files queue above */
|
||||||
unsigned int high_water; /*< High water mark for client DCB */
|
unsigned int low_water; /*< Low water mark for client DCB */
|
||||||
unsigned int short_burst; /*< Short burst for slave catchup */
|
unsigned int high_water; /*< High water mark for client DCB */
|
||||||
unsigned int long_burst; /*< Long burst for slave catchup */
|
unsigned int short_burst; /*< Short burst for slave catchup */
|
||||||
unsigned long burst_size; /*< Maximum size of burst to send */
|
unsigned int long_burst; /*< Long burst for slave catchup */
|
||||||
unsigned long heartbeat; /*< Configured heartbeat value */
|
unsigned long burst_size; /*< Maximum size of burst to send */
|
||||||
ROUTER_STATS stats; /*< Statistics for this router */
|
unsigned long heartbeat; /*< Configured heartbeat value */
|
||||||
int active_logs;
|
ROUTER_STATS stats; /*< Statistics for this router */
|
||||||
int reconnect_pending;
|
int active_logs;
|
||||||
int retry_backoff;
|
int reconnect_pending;
|
||||||
time_t connect_time;
|
int retry_backoff;
|
||||||
int handling_threads;
|
time_t connect_time;
|
||||||
unsigned long m_errno; /*< master response mysql errno */
|
int handling_threads;
|
||||||
char *m_errmsg; /*< master response mysql error message */
|
unsigned long m_errno; /*< master response mysql errno */
|
||||||
char *set_master_version; /*< Send custom Version to slaves */
|
char *m_errmsg; /*< master response mysql error message */
|
||||||
char *set_master_hostname; /*< Send custom Hostname to slaves */
|
char *set_master_version; /*< Send custom Version to slaves */
|
||||||
char *set_master_uuid; /*< Send custom Master UUID to slaves */
|
char *set_master_hostname; /*< Send custom Hostname to slaves */
|
||||||
char *set_master_server_id; /*< Send custom Master server_id to slaves */
|
char *set_master_uuid; /*< Send custom Master UUID to slaves */
|
||||||
int send_slave_heartbeat; /*< Enable sending heartbeat to slaves */
|
char *set_master_server_id; /*< Send custom Master server_id to slaves */
|
||||||
struct router_instance *next;
|
int send_slave_heartbeat; /*< Enable sending heartbeat to slaves */
|
||||||
|
struct router_instance *next;
|
||||||
} ROUTER_INSTANCE;
|
} ROUTER_INSTANCE;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* State machine for the master to MaxScale replication
|
* State machine for the master to MaxScale replication
|
||||||
*/
|
*/
|
||||||
#define BLRM_UNCONFIGURED 0x0000
|
#define BLRM_UNCONFIGURED 0x0000
|
||||||
#define BLRM_UNCONNECTED 0x0001
|
#define BLRM_UNCONNECTED 0x0001
|
||||||
#define BLRM_CONNECTING 0x0002
|
#define BLRM_CONNECTING 0x0002
|
||||||
#define BLRM_AUTHENTICATED 0x0003
|
#define BLRM_AUTHENTICATED 0x0003
|
||||||
#define BLRM_TIMESTAMP 0x0004
|
#define BLRM_TIMESTAMP 0x0004
|
||||||
#define BLRM_SERVERID 0x0005
|
#define BLRM_SERVERID 0x0005
|
||||||
#define BLRM_HBPERIOD 0x0006
|
#define BLRM_HBPERIOD 0x0006
|
||||||
#define BLRM_CHKSUM1 0x0007
|
#define BLRM_CHKSUM1 0x0007
|
||||||
#define BLRM_CHKSUM2 0x0008
|
#define BLRM_CHKSUM2 0x0008
|
||||||
#define BLRM_GTIDMODE 0x0009
|
#define BLRM_GTIDMODE 0x0009
|
||||||
#define BLRM_MUUID 0x000A
|
#define BLRM_MUUID 0x000A
|
||||||
#define BLRM_SUUID 0x000B
|
#define BLRM_SUUID 0x000B
|
||||||
#define BLRM_LATIN1 0x000C
|
#define BLRM_LATIN1 0x000C
|
||||||
#define BLRM_UTF8 0x000D
|
#define BLRM_UTF8 0x000D
|
||||||
#define BLRM_SELECT1 0x000E
|
#define BLRM_SELECT1 0x000E
|
||||||
#define BLRM_SELECTVER 0x000F
|
#define BLRM_SELECTVER 0x000F
|
||||||
#define BLRM_SELECTVERCOM 0x0010
|
#define BLRM_SELECTVERCOM 0x0010
|
||||||
#define BLRM_SELECTHOSTNAME 0x0011
|
#define BLRM_SELECTHOSTNAME 0x0011
|
||||||
#define BLRM_MAP 0x0012
|
#define BLRM_MAP 0x0012
|
||||||
#define BLRM_REGISTER 0x0013
|
#define BLRM_REGISTER 0x0013
|
||||||
#define BLRM_BINLOGDUMP 0x0014
|
#define BLRM_BINLOGDUMP 0x0014
|
||||||
#define BLRM_SLAVE_STOPPED 0x0015
|
#define BLRM_SLAVE_STOPPED 0x0015
|
||||||
#define BLRM_MARIADB10 0x0016
|
#define BLRM_MARIADB10 0x0016
|
||||||
|
|
||||||
#define BLRM_MAXSTATE 0x0016
|
#define BLRM_MAXSTATE 0x0016
|
||||||
|
|
||||||
static char *blrm_states[] = { "Unconfigured", "Unconnected", "Connecting", "Authenticated", "Timestamp retrieval",
|
static char *blrm_states[] =
|
||||||
"Server ID retrieval", "HeartBeat Period setup", "binlog checksum config",
|
{
|
||||||
"binlog checksum rerieval", "GTID Mode retrieval", "Master UUID retrieval",
|
"Unconfigured", "Unconnected", "Connecting", "Authenticated", "Timestamp retrieval",
|
||||||
"Set Slave UUID", "Set Names latin1", "Set Names utf8", "select 1",
|
"Server ID retrieval", "HeartBeat Period setup", "binlog checksum config",
|
||||||
"select version()", "select @@version_comment", "select @@hostname",
|
"binlog checksum rerieval", "GTID Mode retrieval", "Master UUID retrieval",
|
||||||
"select @@max_allowed_packet", "Register slave", "Binlog Dump", "Slave stopped", "Set MariaDB slave capability" };
|
"Set Slave UUID", "Set Names latin1", "Set Names utf8", "select 1",
|
||||||
|
"select version()", "select @@version_comment", "select @@hostname",
|
||||||
|
"select @@max_allowed_packet", "Register slave", "Binlog Dump", "Slave stopped",
|
||||||
|
"Set MariaDB slave capability"
|
||||||
|
};
|
||||||
|
|
||||||
#define BLRS_CREATED 0x0000
|
#define BLRS_CREATED 0x0000
|
||||||
#define BLRS_UNREGISTERED 0x0001
|
#define BLRS_UNREGISTERED 0x0001
|
||||||
#define BLRS_REGISTERED 0x0002
|
#define BLRS_REGISTERED 0x0002
|
||||||
#define BLRS_DUMPING 0x0003
|
#define BLRS_DUMPING 0x0003
|
||||||
#define BLRS_ERRORED 0x0004
|
#define BLRS_ERRORED 0x0004
|
||||||
|
|
||||||
#define BLRS_MAXSTATE 0x0004
|
#define BLRS_MAXSTATE 0x0004
|
||||||
|
|
||||||
static char *blrs_states[] = { "Created", "Unregistered", "Registered",
|
static char *blrs_states[] =
|
||||||
"Sending binlogs", "Errored" };
|
{
|
||||||
|
"Created", "Unregistered", "Registered", "Sending binlogs", "Errored"
|
||||||
|
};
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Slave catch-up status
|
* Slave catch-up status
|
||||||
*/
|
*/
|
||||||
#define CS_UPTODATE 0x0004
|
#define CS_UPTODATE 0x0004
|
||||||
#define CS_EXPECTCB 0x0008
|
#define CS_EXPECTCB 0x0008
|
||||||
#define CS_DIST 0x0010
|
#define CS_DIST 0x0010
|
||||||
#define CS_DISTLATCH 0x0020
|
#define CS_DISTLATCH 0x0020
|
||||||
#define CS_THRDWAIT 0x0040
|
#define CS_THRDWAIT 0x0040
|
||||||
#define CS_BUSY 0x0100
|
#define CS_BUSY 0x0100
|
||||||
#define CS_HOLD 0x0200
|
#define CS_HOLD 0x0200
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* MySQL protocol OpCodes needed for replication
|
* MySQL protocol OpCodes needed for replication
|
||||||
*/
|
*/
|
||||||
#define COM_QUIT 0x01
|
#define COM_QUIT 0x01
|
||||||
#define COM_QUERY 0x03
|
#define COM_QUERY 0x03
|
||||||
#define COM_STATISTICS 0x09
|
#define COM_STATISTICS 0x09
|
||||||
#define COM_PING 0x0e
|
#define COM_PING 0x0e
|
||||||
#define COM_REGISTER_SLAVE 0x15
|
#define COM_REGISTER_SLAVE 0x15
|
||||||
#define COM_BINLOG_DUMP 0x12
|
#define COM_BINLOG_DUMP 0x12
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Macros to extract common fields
|
* Macros to extract common fields
|
||||||
*/
|
*/
|
||||||
#define INLINE_EXTRACT 1 /* Set to 0 for debug purposes */
|
#define INLINE_EXTRACT 1 /* Set to 0 for debug purposes */
|
||||||
|
|
||||||
#if INLINE_EXTRACT
|
#if INLINE_EXTRACT
|
||||||
#define EXTRACT16(x) (*(uint8_t *)(x) | (*((uint8_t *)(x) + 1) << 8))
|
#define EXTRACT16(x) (*(uint8_t *)(x) | (*((uint8_t *)(x) + 1) << 8))
|
||||||
#define EXTRACT24(x) (*(uint8_t *)(x) | \
|
#define EXTRACT24(x) (*(uint8_t *)(x) | \
|
||||||
(*((uint8_t *)(x) + 1) << 8) | \
|
(*((uint8_t *)(x) + 1) << 8) | \
|
||||||
(*((uint8_t *)(x) + 2) << 16))
|
(*((uint8_t *)(x) + 2) << 16))
|
||||||
#define EXTRACT32(x) (*(uint8_t *)(x) | \
|
#define EXTRACT32(x) (*(uint8_t *)(x) | \
|
||||||
(*((uint8_t *)(x) + 1) << 8) | \
|
(*((uint8_t *)(x) + 1) << 8) | \
|
||||||
(*((uint8_t *)(x) + 2) << 16) | \
|
(*((uint8_t *)(x) + 2) << 16) | \
|
||||||
(*((uint8_t *)(x) + 3) << 24))
|
(*((uint8_t *)(x) + 3) << 24))
|
||||||
#else
|
#else
|
||||||
#define EXTRACT16(x) extract_field((x), 16)
|
#define EXTRACT16(x) extract_field((x), 16)
|
||||||
#define EXTRACT24(x) extract_field((x), 24)
|
#define EXTRACT24(x) extract_field((x), 24)
|
||||||
#define EXTRACT32(x) extract_field((x), 32)
|
#define EXTRACT32(x) extract_field((x), 32)
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/*
|
/*
|
||||||
|
|||||||
Reference in New Issue
Block a user