func main() {
flag.Parse()
b := replication.NewBinlogSyncer(101, *flavor)
if err := b.RegisterSlave(*host, uint16(*port), *user, *password); err != nil {
fmt.Printf("Register slave error: %v \n", errors.ErrorStack(err))
return
}
b.SetRawMode(*rawMode)
if *semiSync {
if err := b.EnableSemiSync(); err != nil {
fmt.Printf("Enable semi sync replication mode err: %v\n", errors.ErrorStack(err))
return
}
}
pos := mysql.Position{*file, uint32(*pos)}
if len(*backupPath) > 0 {
// must raw mode
b.SetRawMode(true)
err := b.StartBackup(*backupPath, pos, 0)
if err != nil {
fmt.Printf("Start backup error: %v\n", errors.ErrorStack(err))
return
}
} else {
s, err := b.StartSync(pos)
if err != nil {
fmt.Printf("Start sync error: %v\n", errors.ErrorStack(err))
return
}
for {
e, err := s.GetEvent()
if err != nil {
fmt.Printf("Get event error: %v\n", errors.ErrorStack(err))
return
}
e.Dump(os.Stdout)
}
}
}
func (c *Canal) prepareSyncer() error {
c.syncer = replication.NewBinlogSyncer(c.cfg.ServerID, c.cfg.Flavor)
seps := strings.Split(c.cfg.Addr, ":")
if len(seps) != 2 {
return errors.Errorf("invalid mysql addr format %s, must host:port", c.cfg.Addr)
}
port, err := strconv.ParseUint(seps[1], 10, 16)
if err != nil {
return errors.Trace(err)
}
if err = c.syncer.RegisterSlave(seps[0], uint16(port), c.cfg.User, c.cfg.Password); err != nil {
return errors.Trace(err)
}
return nil
}