Golang Responder Examples

Example #1

File: cmd_set.go Project: jameswei/xcodis

// SMEMBERS
func (m *Miniredis) cmdSmembers(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) != 1 {
		setDirty(r.Client())
		out.WriteErrorString("ERR wrong number of arguments for 'smembers' command")
		return nil
	}

	key := r.Args[0]

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		if !db.exists(key) {
			out.WriteBulkLen(0)
			return
		}

		if db.t(key) != "set" {
			out.WriteErrorString(ErrWrongType.Error())
			return
		}

		members := db.setMembers(key)

		out.WriteBulkLen(len(members))
		for _, elem := range members {
			out.WriteString(elem)
		}
	})
}

Example #2

File: cmd_sorted_set.go Project: jameswei/xcodis

// ZSCORE
func (m *Miniredis) cmdZscore(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) != 2 {
		setDirty(r.Client())
		out.WriteErrorString("ERR wrong number of arguments for 'zscore' command")
		return nil
	}

	key := r.Args[0]
	member := r.Args[1]

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		if !db.exists(key) {
			out.WriteNil()
			return
		}

		if db.t(key) != "zset" {
			out.WriteErrorString(ErrWrongType.Error())
			return
		}

		if !db.ssetExists(key, member) {
			out.WriteNil()
			return
		}

		out.WriteString(formatFloat(db.ssetScore(key, member)))
	})
}

Example #3

File: cmd_hash.go Project: jameswei/xcodis

// HEXISTS
func (m *Miniredis) cmdHexists(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) != 2 {
		setDirty(r.Client())
		out.WriteErrorString("ERR wrong number of arguments for 'hexists' command")
		return nil
	}
	key := r.Args[0]
	field := r.Args[1]

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		t, ok := db.keys[key]
		if !ok {
			out.WriteInt(0)
			return
		}
		if t != "hash" {
			out.WriteErrorString(msgWrongType)
			return
		}

		if _, ok := db.hashKeys[key][field]; !ok {
			out.WriteInt(0)
			return
		}
		out.WriteInt(1)
	})
}

Example #4

File: cmd_set.go Project: Goyoo/codis-docker

// SUNIONSTORE
func (m *Miniredis) cmdSunionstore(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) < 2 {
		setDirty(r.Client())
		return r.WrongNumberOfArgs()
	}
	if !m.handleAuth(r.Client(), out) {
		return nil
	}

	dest := r.Args[0]
	keys := r.Args[1:]

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		set, err := db.setUnion(keys)
		if err != nil {
			out.WriteErrorString(err.Error())
			return
		}

		db.del(dest, true)
		db.setSet(dest, set)
		out.WriteInt(len(set))
	})
}

Example #5

File: cmd_hash.go Project: jameswei/xcodis

// HVALS
func (m *Miniredis) cmdHvals(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) != 1 {
		setDirty(r.Client())
		out.WriteErrorString("ERR wrong number of arguments for 'hvals' command")
		return nil
	}
	key := r.Args[0]

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		t, ok := db.keys[key]
		if !ok {
			out.WriteBulkLen(0)
			return
		}
		if t != "hash" {
			out.WriteErrorString(msgWrongType)
			return
		}

		out.WriteBulkLen(len(db.hashKeys[key]))
		for _, v := range db.hashKeys[key] {
			out.WriteString(v)
		}
	})
}

Example #6

File: cmd_set.go Project: jameswei/xcodis

// SISMEMBER
func (m *Miniredis) cmdSismember(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) != 2 {
		setDirty(r.Client())
		out.WriteErrorString("ERR wrong number of arguments for 'sismember' command")
		return nil
	}

	key := r.Args[0]
	value := r.Args[1]

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		if !db.exists(key) {
			out.WriteZero()
			return
		}

		if db.t(key) != "set" {
			out.WriteErrorString(ErrWrongType.Error())
			return
		}

		if db.setIsMember(key, value) {
			out.WriteOne()
			return
		}
		out.WriteZero()
	})
}

Example #7

File: cmd_hash.go Project: jameswei/xcodis

// HMGET
func (m *Miniredis) cmdHmget(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) < 2 {
		setDirty(r.Client())
		out.WriteErrorString("ERR wrong number of arguments for 'hmget' command")
		return nil
	}
	key := r.Args[0]

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		if t, ok := db.keys[key]; ok && t != "hash" {
			out.WriteErrorString(msgWrongType)
			return
		}

		f, ok := db.hashKeys[key]
		if !ok {
			f = map[string]string{}
		}

		out.WriteBulkLen(len(r.Args) - 1)
		for _, k := range r.Args[1:] {
			v, ok := f[k]
			if !ok {
				out.WriteNil()
				continue
			}
			out.WriteString(v)
		}
	})
}

Example #8

File: cmd_hash.go Project: jameswei/xcodis

// HINCRBYFLOAT
func (m *Miniredis) cmdHincrbyfloat(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) != 3 {
		setDirty(r.Client())
		out.WriteErrorString("ERR wrong number of arguments for 'hincrbyfloat' command")
		return nil
	}
	key := r.Args[0]
	field := r.Args[1]
	delta, err := strconv.ParseFloat(r.Args[2], 64)
	if err != nil {
		setDirty(r.Client())
		out.WriteErrorString(msgInvalidFloat)
		return nil
	}

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		if t, ok := db.keys[key]; ok && t != "hash" {
			out.WriteErrorString(msgWrongType)
			return
		}

		v, err := db.hashIncrfloat(key, field, delta)
		if err != nil {
			out.WriteErrorString(err.Error())
			return
		}
		out.WriteString(formatFloat(v))
	})
}

Example #9

File: cmd_generic.go Project: Goyoo/codis-docker

// RANDOMKEY
func (m *Miniredis) cmdRandomkey(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) != 0 {
		setDirty(r.Client())
		return r.WrongNumberOfArgs()
	}
	if !m.handleAuth(r.Client(), out) {
		return nil
	}

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		if len(db.keys) == 0 {
			out.WriteNil()
			return
		}
		nr := rand.Intn(len(db.keys))
		for k := range db.keys {
			if nr == 0 {
				out.WriteString(k)
				return
			}
			nr--
		}
	})
}

Example #10

File: cmd_string.go Project: Goyoo/codis-docker

// APPEND
func (m *Miniredis) cmdAppend(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) != 2 {
		setDirty(r.Client())
		return r.WrongNumberOfArgs()
	}
	if !m.handleAuth(r.Client(), out) {
		return nil
	}

	key := r.Args[0]
	value := r.Args[1]

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		if t, ok := db.keys[key]; ok && t != "string" {
			out.WriteErrorString(msgWrongType)
			return
		}

		newValue := db.stringKeys[key] + value
		db.stringSet(key, newValue)

		out.WriteInt(len(newValue))
	})
}

Example #11

File: cmd_list.go Project: Goyoo/codis-docker

// RPUSH
func (m *Miniredis) cmdRpush(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) < 2 {
		setDirty(r.Client())
		return r.WrongNumberOfArgs()
	}
	if !m.handleAuth(r.Client(), out) {
		return nil
	}
	key := r.Args[0]
	args := r.Args[1:]

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		if db.exists(key) && db.t(key) != "list" {
			out.WriteErrorString(msgWrongType)
			return
		}

		var newLen int
		for _, value := range args {
			newLen = db.listPush(key, value)
		}
		out.WriteInt(newLen)
	})
}

Example #12

File: cmd_string.go Project: Goyoo/codis-docker

// PSETEX
func (m *Miniredis) cmdPsetex(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) != 3 {
		setDirty(r.Client())
		return r.WrongNumberOfArgs()
	}
	if !m.handleAuth(r.Client(), out) {
		return nil
	}
	key := r.Args[0]
	ttl, err := strconv.Atoi(r.Args[1])
	if err != nil {
		setDirty(r.Client())
		out.WriteErrorString(msgInvalidInt)
		return nil
	}
	value := r.Args[2]

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		db.del(key, true) // Clear any existing keys.
		db.stringSet(key, value)
		db.expire[key] = ttl // We put millisecond keys in with the second keys.
		out.WriteOK()
	})
}

Example #13

File: cmd_string.go Project: Goyoo/codis-docker

// MSET
func (m *Miniredis) cmdMset(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) < 2 {
		setDirty(r.Client())
		return r.WrongNumberOfArgs()
	}
	if !m.handleAuth(r.Client(), out) {
		return nil
	}
	if len(r.Args)%2 != 0 {
		setDirty(r.Client())
		// non-default error message
		out.WriteErrorString("ERR wrong number of arguments for MSET")
		return nil
	}
	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		for len(r.Args) > 0 {
			key := r.Args[0]
			value := r.Args[1]
			r.Args = r.Args[2:]

			db.del(key, true) // clear TTL
			db.stringSet(key, value)
		}
		out.WriteOK()
	})
}

Example #14

File: cmd_list.go Project: Goyoo/codis-docker

// LINSERT
func (m *Miniredis) cmdLinsert(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) != 4 {
		setDirty(r.Client())
		return r.WrongNumberOfArgs()
	}
	if !m.handleAuth(r.Client(), out) {
		return nil
	}
	key := r.Args[0]
	where := 0
	switch strings.ToLower(r.Args[1]) {
	case "before":
		where = -1
	case "after":
		where = +1
	default:
		setDirty(r.Client())
		out.WriteErrorString(msgSyntaxError)
		return nil
	}
	pivot := r.Args[2]
	value := r.Args[3]

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		t, ok := db.keys[key]
		if !ok {
			// No such key
			out.WriteZero()
			return
		}
		if t != "list" {
			out.WriteErrorString(msgWrongType)
			return
		}

		l := db.listKeys[key]
		for i, el := range l {
			if el != pivot {
				continue
			}

			if where < 0 {
				l = append(l[:i], append(listKey{value}, l[i:]...)...)
			} else {
				if i == len(l)-1 {
					l = append(l, value)
				} else {
					l = append(l[:i+1], append(listKey{value}, l[i+1:]...)...)
				}
			}
			db.listKeys[key] = l
			db.keyVersion[key]++
			out.WriteInt(len(l))
			return
		}
		out.WriteInt(-1)
	})
}

Example #15

File: cmd_connnection.go Project: yqj2012/Coolpy5Sub

// PING
func (m *Redico) cmdPing(out *redeo.Responder, r *redeo.Request) error {
	if !m.handleAuth(r.Client(), out) {
		return nil
	}
	out.WriteInlineString("PONG")
	return nil
}

Example #16

File: cmd_hash.go Project: jameswei/xcodis

// HKEYS
func (m *Miniredis) cmdHkeys(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) != 1 {
		setDirty(r.Client())
		out.WriteErrorString("ERR wrong number of arguments for 'hkeys' command")
		return nil
	}
	key := r.Args[0]

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		if !db.exists(key) {
			out.WriteBulkLen(0)
			return
		}
		if db.t(key) != "hash" {
			out.WriteErrorString(msgWrongType)
			return
		}

		fields := db.hashFields(key)
		out.WriteBulkLen(len(fields))
		for _, f := range fields {
			out.WriteString(f)
		}
	})
}

Example #17

File: cmd_hash.go Project: Goyoo/codis-docker

// HGETALL
func (m *Miniredis) cmdHgetall(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) != 1 {
		setDirty(r.Client())
		return r.WrongNumberOfArgs()
	}
	if !m.handleAuth(r.Client(), out) {
		return nil
	}

	key := r.Args[0]

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		t, ok := db.keys[key]
		if !ok {
			out.WriteBulkLen(0)
			return
		}
		if t != "hash" {
			out.WriteErrorString(msgWrongType)
			return
		}

		out.WriteBulkLen(len(db.hashKeys[key]) * 2)
		for _, k := range db.hashFields(key) {
			out.WriteString(k)
			out.WriteString(db.hashGet(key, k))
		}
	})
}

Example #18

File: cmd_list.go Project: jameswei/xcodis

// LREM
func (m *Miniredis) cmdLrem(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) != 3 {
		setDirty(r.Client())
		out.WriteErrorString("ERR wrong number of arguments for 'lrem' command")
		return nil
	}
	key := r.Args[0]
	count, err := strconv.Atoi(r.Args[1])
	if err != nil {
		setDirty(r.Client())
		out.WriteErrorString(msgInvalidInt)
		return nil
	}
	value := r.Args[2]

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		if !db.exists(key) {
			out.WriteZero()
			return
		}
		if db.t(key) != "list" {
			out.WriteErrorString(msgWrongType)
			return
		}

		l := db.listKeys[key]
		if count < 0 {
			reverseSlice(l)
		}
		deleted := 0
		newL := []string{}
		toDelete := len(l)
		if count < 0 {
			toDelete = -count
		}
		if count > 0 {
			toDelete = count
		}
		for _, el := range l {
			if el == value {
				if toDelete > 0 {
					deleted++
					toDelete--
					continue
				}
			}
			newL = append(newL, el)
		}
		if count < 0 {
			reverseSlice(newL)
		}
		db.listKeys[key] = newL
		db.keyVersion[key]++

		out.WriteInt(deleted)
	})
}

Example #19

File: cmd_connection.go Project: jameswei/xcodis

// ECHO
func (m *Miniredis) cmdEcho(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) != 1 {
		setDirty(r.Client())
		out.WriteErrorString("usage error")
		return nil
	}
	msg := r.Args[0]
	out.WriteString(msg)
	return nil
}

Example #20

File: cmd_connnection.go Project: yqj2012/Coolpy5Sub

// ECHO
func (m *Redico) cmdEcho(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) != 1 {
		setDirty(r.Client())
		return r.WrongNumberOfArgs()
	}
	if !m.handleAuth(r.Client(), out) {
		return nil
	}
	msg := r.Args[0]
	out.WriteString(msg)
	return nil
}

Example #21

File: Redico.go Project: yqj2012/Coolpy5Sub

// handleAuth returns false if connection has no access. It sends the reply.
func (m *Redico) handleAuth(cl *redeo.Client, out *redeo.Responder) bool {
	m.Lock()
	defer m.Unlock()
	if m.password == "" {
		return true
	}
	if cl.Ctx == nil || !getCtx(cl).authenticated {
		out.WriteErrorString("NOAUTH Authentication required.")
		return false
	}
	return true
}

Example #22

File: cmd_string.go Project: Goyoo/codis-docker

// SETBIT
func (m *Miniredis) cmdSetbit(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) != 3 {
		setDirty(r.Client())
		return r.WrongNumberOfArgs()
	}
	if !m.handleAuth(r.Client(), out) {
		return nil
	}

	key := r.Args[0]
	bit, err := strconv.Atoi(r.Args[1])
	if err != nil || bit < 0 {
		setDirty(r.Client())
		return redeo.ClientError("bit offset is not an integer or out of range")
	}
	newBit, err := strconv.Atoi(r.Args[2])
	if err != nil || (newBit != 0 && newBit != 1) {
		setDirty(r.Client())
		return redeo.ClientError("bit is not an integer or out of range")
	}

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		if t, ok := db.keys[key]; ok && t != "string" {
			out.WriteErrorString(msgWrongType)
			return
		}
		value := []byte(db.stringKeys[key])

		ourByteNr := bit / 8
		ourBitNr := bit % 8
		if ourByteNr > len(value)-1 {
			// Too short. Expand.
			newValue := make([]byte, ourByteNr+1)
			copy(newValue, value)
			value = newValue
		}
		old := 0
		if toBits(value[ourByteNr])[ourBitNr] {
			old = 1
		}
		if newBit == 0 {
			value[ourByteNr] &^= 1 << uint8(7-ourBitNr)
		} else {
			value[ourByteNr] |= 1 << uint8(7-ourBitNr)
		}
		db.stringSet(key, string(value))

		out.WriteInt(old)
	})
}

Example #23

File: cmd_string.go Project: Goyoo/codis-docker

// GETRANGE
func (m *Miniredis) cmdGetrange(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) != 3 {
		setDirty(r.Client())
		return r.WrongNumberOfArgs()
	}
	if !m.handleAuth(r.Client(), out) {
		return nil
	}

	key := r.Args[0]
	start, err := strconv.Atoi(r.Args[1])
	if err != nil {
		setDirty(r.Client())
		out.WriteErrorString(msgInvalidInt)
		return nil
	}
	end, err := strconv.Atoi(r.Args[2])
	if err != nil {
		setDirty(r.Client())
		out.WriteErrorString(msgInvalidInt)
		return nil
	}

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		if t, ok := db.keys[key]; ok && t != "string" {
			out.WriteErrorString(msgWrongType)
			return
		}

		v := db.stringKeys[key]
		out.WriteString(withRange(v, start, end))
	})
}

Example #24

File: cmd_hash.go Project: jameswei/xcodis

// MMSET
func (m *Miniredis) cmdHmset(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) < 3 {
		setDirty(r.Client())
		out.WriteErrorString("ERR wrong number of arguments for 'hmset' command")
		return nil
	}
	key := r.Args[0]
	args := r.Args[1:]
	if len(args)%2 != 0 {
		setDirty(r.Client())
		out.WriteErrorString("ERR wrong number of arguments for HMSET")
		return nil
	}
	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		if t, ok := db.keys[key]; ok && t != "hash" {
			out.WriteErrorString(msgWrongType)
			return
		}

		for len(args) > 0 {
			field := args[0]
			value := args[1]
			args = args[2:]

			db.hashSet(key, field, value)
		}
		out.WriteOK()
	})
}

Example #25

File: cmd_hash.go Project: jameswei/xcodis

// HSETNX
func (m *Miniredis) cmdHsetnx(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) != 3 {
		setDirty(r.Client())
		out.WriteErrorString("ERR wrong number of arguments for 'hsetnx' command")
		return nil
	}
	key := r.Args[0]
	field := r.Args[1]
	value := r.Args[2]

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		if t, ok := db.keys[key]; ok && t != "hash" {
			out.WriteErrorString(msgWrongType)
			return
		}

		if _, ok := db.hashKeys[key]; !ok {
			db.hashKeys[key] = map[string]string{}
			db.keys[key] = "hash"
		}
		_, ok := db.hashKeys[key][field]
		if ok {
			out.WriteZero()
			return
		}
		db.hashKeys[key][field] = value
		db.keyVersion[key]++
		out.WriteOne()
	})
}

Example #26

File: cmd_server.go Project: Goyoo/codis-docker

// FLUSHALL
func (m *Miniredis) cmdFlushall(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) > 0 {
		setDirty(r.Client())
		return r.WrongNumberOfArgs()
	}
	if !m.handleAuth(r.Client(), out) {
		return nil
	}

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		m.dbs = map[int]*RedisDB{}
		out.WriteOK()
	})
}

Example #27

File: cmd_hash.go Project: jameswei/xcodis

// HSET
func (m *Miniredis) cmdHset(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) != 3 {
		setDirty(r.Client())
		out.WriteErrorString("ERR wrong number of arguments for 'hset' command")
		return nil
	}
	key := r.Args[0]
	field := r.Args[1]
	value := r.Args[2]

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		if t, ok := db.keys[key]; ok && t != "hash" {
			out.WriteErrorString(msgWrongType)
			return
		}

		if db.hashSet(key, field, value) {
			out.WriteZero()
		} else {
			out.WriteOne()
		}
	})
}

Example #28

File: cmd_set.go Project: jameswei/xcodis

// SREM
func (m *Miniredis) cmdSrem(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) < 2 {
		setDirty(r.Client())
		out.WriteErrorString("ERR wrong number of arguments for 'srem' command")
		return nil
	}

	key := r.Args[0]
	fields := r.Args[1:]

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		if !db.exists(key) {
			out.WriteInt(0)
			return
		}

		if db.t(key) != "set" {
			out.WriteErrorString(ErrWrongType.Error())
			return
		}

		out.WriteInt(db.setRem(key, fields...))
	})
}

Example #29

File: cmd_server.go Project: Goyoo/codis-docker

// FLUSHDB
func (m *Miniredis) cmdFlushdb(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) > 0 {
		setDirty(r.Client())
		return r.WrongNumberOfArgs()
	}
	if !m.handleAuth(r.Client(), out) {
		return nil
	}

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		delete(m.dbs, ctx.selectedDB)
		out.WriteOK()
	})
}

Example #30

File: cmd_set.go Project: jameswei/xcodis

// SPOP
func (m *Miniredis) cmdSpop(out *redeo.Responder, r *redeo.Request) error {
	if len(r.Args) != 1 {
		setDirty(r.Client())
		out.WriteErrorString("ERR wrong number of arguments for 'spop' command")
		return nil
	}

	key := r.Args[0]

	return withTx(m, out, r, func(out *redeo.Responder, ctx *connCtx) {
		db := m.db(ctx.selectedDB)

		if !db.exists(key) {
			out.WriteNil()
			return
		}

		if db.t(key) != "set" {
			out.WriteErrorString(ErrWrongType.Error())
			return
		}

		members := db.setMembers(key)
		member := members[rand.Intn(len(members))]
		db.setRem(key, member)
		out.WriteString(member)
	})
}