func (this *Canal) Run(args []string) (exitCode int) {
cfg := canal.NewDefaultConfig()
cmdFlags := flag.NewFlagSet("canal", flag.ContinueOnError)
cmdFlags.Usage = func() { this.Ui.Output(this.Help()) }
cmdFlags.StringVar(&cfg.User, "user", "", "")
cmdFlags.StringVar(&cfg.Password, "pass", "", "")
cmdFlags.StringVar(&cfg.Addr, "dsn", "", "")
cmdFlags.StringVar(&cfg.Dump.TableDB, "db", "", "")
if err := cmdFlags.Parse(args); err != nil {
return 1
}
cfg.Dump.Tables = []string{"logs"}
c, err := canal.NewCanal(cfg)
if err != nil {
this.Ui.Error(err.Error())
return
}
defer c.Close()
c.RegRowsEventHandler(&myRowsEventHandler{})
// Start canal
c.Start()
time.Sleep(time.Hour)
return
}
func main() {
cfg := canal.NewDefaultConfig()
cfg.Addr = fmt.Sprintf("%s:%d", *host, *port)
cfg.User = *user
cfg.Password = *password
cfg.Flavor = *flavor
cfg.DataDir = *dataDir
cfg.ServerID = uint32(*serverID)
cfg.Dump.ExecutionPath = *mysqldump
cfg.Dump.DiscardErr = false
c, err := canal.NewCanal(cfg)
if err != nil {
fmt.Printf("create canal err %v", err)
os.Exit(1)
}
if len(*ignoreTables) == 0 {
subs := strings.Split(*ignoreTables, ",")
for _, sub := range subs {
if seps := strings.Split(sub, "."); len(seps) == 2 {
c.AddDumpIgnoreTables(seps[0], seps[1])
}
}
}
if len(*tables) > 0 && len(*tableDB) > 0 {
subs := strings.Split(*tables, ",")
c.AddDumpTables(*tableDB, subs...)
} else if len(*dbs) > 0 {
subs := strings.Split(*dbs, ",")
c.AddDumpDatabases(subs...)
}
c.RegRowsEventHandler(&handler{})
err = c.Start()
if err != nil {
fmt.Printf("start canal err %V", err)
os.Exit(1)
}
sc := make(chan os.Signal, 1)
signal.Notify(sc,
os.Kill,
os.Interrupt,
syscall.SIGHUP,
syscall.SIGINT,
syscall.SIGTERM,
syscall.SIGQUIT)
<-sc
c.Close()
}
func (r *River) newCanal() error {
cfg := canal.NewDefaultConfig()
cfg.Addr = r.c.MyAddr
cfg.User = r.c.MyUser
cfg.Password = r.c.MyPassword
cfg.Flavor = r.c.Flavor
cfg.DataDir = r.c.DataDir
cfg.ServerID = r.c.ServerID
cfg.Dump.ExecutionPath = r.c.DumpExec
var err error
r.canal, err = canal.NewCanal(cfg)
return err
}