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  • Committer: Brian Aker
  • Date: 2008-10-08 02:16:25 UTC
  • Revision ID: brian@tangent.org-20081008021625-3756823nqs1phvsn
More effort around master.info (and relay.info)

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drizzled/rpl_mi.h
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#include "rpl_rli.h"
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#include "rpl_reporting.h"
 
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#include <drizzled/serialize/serialize.h>
 
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#include <string>
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/*****************************************************************************
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class Master_info : public Slave_reporting_capability
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{
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 public:
 
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private:
 
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  drizzle::MasterList list;
 
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public:
 
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  /* the variables below are needed because we can change masters on the fly */
 
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  string master_log_name;
 
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  string host;
 
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  string user;
 
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  string password;
 
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  uint16_t port;
 
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  uint32_t connect_retry;
 
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  off_t master_log_pos;
 
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  THD *io_thd;
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  Master_info();
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  ~Master_info();
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  /* the variables below are needed because we can change masters on the fly */
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  char master_log_name[FN_REFLEN];
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  char host[HOSTNAME_LENGTH+1];
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  char user[USERNAME_LENGTH+1];
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  char password[MAX_PASSWORD_LENGTH+1];
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  my_off_t master_log_pos;
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  File fd; // we keep the file open, so we need to remember the file pointer
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  IO_CACHE file;
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  pthread_mutex_t data_lock,run_lock;
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  pthread_cond_t data_cond,start_cond,stop_cond;
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  THD *io_thd;
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  DRIZZLE *drizzle;
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  uint32_t file_id;                             /* for 3.23 load data infile */
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  Relay_log_info rli;
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  uint32_t port;
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  uint32_t connect_retry;
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  float heartbeat_period;         // interface with CHANGE MASTER or master.info
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  uint64_t received_heartbeats;  // counter of received heartbeat events
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  int events_till_disconnect;
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  */
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  long clock_diff_with_master;
 
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  int flush_master_info(bool flush_relay_log_cache);
 
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  void end_master_info();
 
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  void init_master_log_pos();
 
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  int init_master_info(const char* master_info_fname,
 
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                       const char* slave_info_fname,
 
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                       bool abort_if_no_master_info_file,
 
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                       int thread_mask);
 
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  bool setUsername(const char *username);
 
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  const char *getUsername();
 
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  bool setPassword(const char *pword);
 
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  const char *getPassword();
 
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  bool setHost(const char *host, uint16_t new_port);
 
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  const char *getHostname();
 
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  uint16_t getPort();
 
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  off_t getLogPosition();
 
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  bool setLogPosition(off_t position);
 
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  const char *getLogName();
 
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  bool setLogName(const char *name);
 
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  uint32_t getConnectionRetry();
 
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  bool setConnectionRetry(uint32_t log_position);
 
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};
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void init_master_log_pos(Master_info* mi);
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int init_master_info(Master_info* mi, const char* master_info_fname,
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                     const char* slave_info_fname,
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                     bool abort_if_no_master_info_file,
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                     int thread_mask);
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void end_master_info(Master_info* mi);
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int flush_master_info(Master_info* mi, bool flush_relay_log_cache);
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#endif /* DRIZZLED_RPL_MI_H */