Esempio n. 1
0
func checkslotsmgrt(t *testing.T, r *bufio.Reader, w *bufio.Writer, c chan error, expect ...interface{}) {
	if len(expect) != 0 {
		req1, err := redis.Decode(r)
		checkerror(t, err, true)
		cmd1, args1, err := redis.ParseArgs(req1)
		checkerror(t, err, cmd1 == "select" && len(args1) == 1)

		checkerror(t, redis.Encode(w, redis.NewString("OK")), true)
		checkerror(t, w.Flush(), true)

		req2, err := redis.Decode(r)
		cmd2, args2, err := redis.ParseArgs(req2)
		checkerror(t, err, cmd2 == "slotsrestore" && len(args2) == len(expect))

		m := make(map[string]*struct {
			key, value string
			ttlms      uint64
		})
		for i := 0; i < len(expect)/3; i++ {
			v := &struct {
				key, value string
				ttlms      uint64
			}{key: expect[i*3].(string), value: expect[i*3+2].(string)}
			v.ttlms, err = ParseUint(expect[i*3+1])
			checkerror(t, err, true)
			m[v.key] = v
		}

		for i := 0; i < len(expect)/3; i++ {
			key := args2[i*3]
			ttlms := args2[i*3+1]
			value := args2[i*3+2]

			v := m[string(key)]
			checkerror(t, nil, v != nil)
			checkerror(t, nil, string(key) == v.key)
			b, err := rdb.DecodeDump(value)
			checkerror(t, err, string(b.(rdb.String)) == v.value)
			x, err := strconv.Atoi(string(ttlms))
			checkerror(t, err, true)
			if v.ttlms == 0 {
				checkerror(t, nil, x == 0)
			} else {
				checkerror(t, nil, x != 0)
				checkerror(t, nil, math.Abs(float64(x)-float64(v.ttlms)) < 500)
			}
		}

		checkerror(t, redis.Encode(w, redis.NewString("OK")), true)
		checkerror(t, w.Flush(), true)
	}

	select {
	case err := <-c:
		checkerror(t, err, true)
	case <-time.After(time.Second):
		checkerror(t, nil, false)
	}
}
Esempio n. 2
0
func (cmd *cmdSync) SyncCommand(reader *bufio.Reader, target, passwd string) {
	c := openNetConn(target, passwd)
	defer c.Close()

	writer := bufio.NewWriterSize(stats.NewCountWriter(c, &cmd.wbytes), WriterBufferSize)
	defer flushWriter(writer)

	go func() {
		p := make([]byte, ReaderBufferSize)
		for {
			iocopy(c, ioutil.Discard, p, len(p))
		}
	}()

	go func() {
		var bypass bool = false
		for {
			resp := redis.MustDecode(reader)
			if scmd, args, err := redis.ParseArgs(resp); err != nil {
				log.PanicError(err, "parse command arguments failed")
			} else if scmd != "ping" {
				if scmd == "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 {
					cmd.nbypass.Incr()
					continue
				}
			}
			cmd.forward.Incr()
			redis.MustEncode(writer, resp)
			flushWriter(writer)
		}
	}()

	for lstat := cmd.Stat(); ; {
		time.Sleep(time.Second)
		nstat := cmd.Stat()
		var b bytes.Buffer
		fmt.Fprintf(&b, "sync: ")
		fmt.Fprintf(&b, " +forward=%-6d", nstat.forward-lstat.forward)
		fmt.Fprintf(&b, " +nbypass=%-6d", nstat.nbypass-lstat.nbypass)
		fmt.Fprintf(&b, " +nbytes=%d", nstat.wbytes-lstat.wbytes)
		log.Info(b.String())
		lstat = nstat
	}
}
Esempio n. 3
0
func (c *conn) dispatch(h *Handler, request redis.Resp) (redis.Resp, error) {
	cmd, args, err := redis.ParseArgs(request)
	if err != nil {
		return toRespError(err)
	}
	if f := h.htable[cmd]; f == nil {
		return toRespErrorf("unknown command %s", cmd)
	} else {
		return f(c, args...)
	}
}