func (cmd *cmdRestore) RestoreCommand(reader *bufio.Reader, slave string, nsize int64) {
var forward, nbypass atomic2.Int64
c := openNetConn(slave)
defer c.Close()
writer := bufio.NewWriterSize(c, WriterBufferSize)
defer flushWriter(writer)
discard := bufio.NewReaderSize(c, ReaderBufferSize)
go func() {
var bypass bool = false
for {
resp := redis.MustDecode(reader)
if cmd, args, err := redis.ParseArgs(resp); err != nil {
log.PanicError(err, "parse command arguments failed")
} else if cmd != "ping" {
if cmd == "select" {
if len(args) != 1 {
log.Panicf("select command len(args) = %d", len(args))
}
s := string(args[0])
n, err := parseInt(s, MinDB, MaxDB)
if err != nil {
log.PanicErrorf(err, "parse db = %s failed", s)
}
bypass = !acceptDB(uint32(n))
}
if bypass {
nbypass.Incr()
continue
}
}
redis.MustEncode(writer, resp)
flushWriter(writer)
forward.Incr()
redis.MustDecode(discard)
}
}()
for {
lastForward := forward.Get()
lastByPass := nbypass.Get()
time.Sleep(time.Second)
log.Infof("restore: +forward=%-6d +bypass=%-6d\n", forward.Get()-lastForward, nbypass.Get()-lastByPass)
}
}
func (cmd *cmdSync) SyncCommand(reader *bufio.Reader, slave string) {
var forward, nbypass atomic2.Int64
c := openNetConn(slave)
defer c.Close()
writer := bufio.NewWriterSize(c, WriterBufferSize)
defer flushWriter(writer)
go func() {
p := make([]byte, ReaderBufferSize)
for {
cnt := iocopy(c, ioutil.Discard, p, len(p))
cmd.nrecv.Add(int64(cnt))
}
}()
var mu sync.Mutex
go func() {
for {
time.Sleep(time.Second)
mu.Lock()
flushWriter(writer)
mu.Unlock()
}
}()
go func() {
var bypass bool = false
for {
resp := redis.MustDecode(reader)
if cmd, args, err := redis.ParseArgs(resp); err != nil {
log.PanicError(err, "parse command arguments failed")
} else if cmd != "ping" {
if cmd == "select" {
if len(args) != 1 {
log.Panicf("select command len(args) = %d", len(args))
}
s := string(args[0])
n, err := parseInt(s, MinDB, MaxDB)
if err != nil {
log.PanicErrorf(err, "parse db = %s failed", s)
}
bypass = !acceptDB(uint32(n))
}
if bypass {
nbypass.Incr()
continue
}
}
mu.Lock()
redis.MustEncode(writer, resp)
mu.Unlock()
forward.Incr()
}
}()
for {
lastForward := forward.Get()
lastByPass := nbypass.Get()
lastRead := cmd.nread.Get()
lastRecv := cmd.nrecv.Get()
time.Sleep(time.Second)
log.Infof("sync: +forward=%-6d +bypass=%-6d +read=%-9d +recv=%-9d\n", forward.Get()-lastForward, nbypass.Get()-lastByPass, cmd.nread.Get()-lastRead, cmd.nrecv.Get()-lastRecv)
}
}