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Added slave log event to record the master position in of slave thread

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in slave binlog - needed for synchronization slave during recovery


sql/log.cc:
  slave log event
sql/log_event.cc:
  slave log event
sql/log_event.h:
  slave log event
sql/slave.cc:
  slave log event
sql/sql_class.h:
  slave log event
This commit is contained in:
unknown
2001-06-14 14:12:40 -06:00
parent 9d0e2843c4
commit 7bf5eb91f0
5 changed files with 217 additions and 2 deletions
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31
sql/log_event.h
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@ -51,7 +51,7 @@
enum Log_event_type { START_EVENT = 1, QUERY_EVENT =2,
STOP_EVENT=3, ROTATE_EVENT = 4, INTVAR_EVENT=5,
LOAD_EVENT=6};
LOAD_EVENT=6, SLAVE_EVENT=7};
enum Int_event_type { INVALID_INT_EVENT = 0, LAST_INSERT_ID_EVENT = 1, INSERT_ID_EVENT = 2
};
@ -61,6 +61,8 @@ class String;
extern uint32 server_id;
struct st_master_info;
class Log_event
{
public:
@ -172,6 +174,33 @@ public:
void print(FILE* file, bool short_form = 0, char* last_db = 0);
};
class Slave_log_event: public Log_event
{
protected:
char* mem_pool;
void init_from_mem_pool(int data_size);
public:
char* master_host;
int master_host_len;
uint16 master_port;
char* master_log;
int master_log_len;
ulonglong master_pos;
#ifndef MYSQL_CLIENT
Slave_log_event(THD* thd_arg, struct st_master_info* mi);
#endif
Slave_log_event(const char* buf, int event_len);
Slave_log_event(IO_CACHE* file, time_t when, uint32 server_id_arg);
~Slave_log_event();
int get_data_size();
Log_event_type get_type_code() { return SLAVE_EVENT; }
void print(FILE* file, bool short_form = 0, char* last_db = 0);
int write_data(IO_CACHE* file );
};
#define DUMPFILE_FLAG 0x1
#define OPT_ENCLOSED_FLAG 0x2
#define REPLACE_FLAG 0x4