Exemple #1
0
func bcountCommand(req *requestContext) error {
	args := req.args
	argCnt := len(args)

	if !(argCnt > 0 && argCnt <= 3) {
		return ErrCmdParams
	}

	// BCount(key []byte, start int32, end int32) (cnt int32, err error) {

	var err error
	var start, end int32 = 0, -1

	if argCnt > 1 {
		start, err = ledis.StrInt32(args[1], nil)
		if err != nil {
			return ErrValue
		}
	}

	if argCnt > 2 {
		end, err = ledis.StrInt32(args[2], nil)
		if err != nil {
			return ErrValue
		}
	}

	if cnt, err := req.db.BCount(args[0], start, end); err != nil {
		return err
	} else {
		req.resp.writeInteger(int64(cnt))
	}
	return nil
}
Exemple #2
0
func bsetbitCommand(req *requestContext) error {
	args := req.args
	if len(args) != 3 {
		return ErrCmdParams
	}

	var err error
	var offset int32
	var val int8

	offset, err = ledis.StrInt32(args[1], nil)

	if err != nil {
		return ErrOffset
	}

	val, err = ledis.StrInt8(args[2], nil)
	if val != 0 && val != 1 {
		return ErrBool
	}

	if err != nil {
		return ErrBool
	}

	if ori, err := req.db.BSetBit(args[0], offset, uint8(val)); err != nil {
		return err
	} else {
		req.resp.writeInteger(int64(ori))
	}
	return nil
}
Exemple #3
0
func bsetbitCommand(c *client) error {
	args := c.args
	if len(args) != 3 {
		return ErrCmdParams
	}

	var err error
	var offset int32
	var val int8

	offset, err = ledis.StrInt32(args[1], nil)
	if err != nil {
		return err
	}

	val, err = ledis.StrInt8(args[2], nil)
	if err != nil {
		return err
	}

	if ori, err := c.db.BSetBit(args[0], offset, uint8(val)); err != nil {
		return err
	} else {
		c.writeInteger(int64(ori))
	}
	return nil
}
Exemple #4
0
func bmsetbitCommand(req *requestContext) error {
	args := req.args
	if len(args) < 3 {
		return ErrCmdParams
	}

	key := args[0]
	if len(args[1:])&1 != 0 {
		return ErrCmdParams
	} else {
		args = args[1:]
	}

	var err error
	var offset int32
	var val int8

	pairs := make([]ledis.BitPair, len(args)>>1)
	for i := 0; i < len(pairs); i++ {
		offset, err = ledis.StrInt32(args[i<<1], nil)

		if err != nil {
			return ErrOffset
		}

		val, err = ledis.StrInt8(args[i<<1+1], nil)
		if val != 0 && val != 1 {
			return ErrBool
		}

		if err != nil {
			return ErrBool
		}

		pairs[i].Pos = offset
		pairs[i].Val = uint8(val)
	}

	if place, err := req.db.BMSetBit(key, pairs...); err != nil {
		return err
	} else {
		req.resp.writeInteger(place)
	}
	return nil
}
Exemple #5
0
func bgetbitCommand(c *client) error {
	args := c.args
	if len(args) != 2 {
		return ErrCmdParams
	}

	offset, err := ledis.StrInt32(args[1], nil)
	if err != nil {
		return err
	}

	if v, err := c.db.BGetBit(args[0], offset); err != nil {
		return err
	} else {
		c.writeInteger(int64(v))
	}
	return nil
}
Exemple #6
0
func bgetbitCommand(req *requestContext) error {
	args := req.args
	if len(args) != 2 {
		return ErrCmdParams
	}

	offset, err := ledis.StrInt32(args[1], nil)

	if err != nil {
		return ErrOffset
	}

	if v, err := req.db.BGetBit(args[0], offset); err != nil {
		return err
	} else {
		req.resp.writeInteger(int64(v))
	}
	return nil
}
Exemple #7
0
func lTrimBackCommand(c *client) error {
	args := c.args
	if len(args) != 2 {
		return ErrCmdParams
	}

	var trimSize int32
	var err error

	trimSize, err = ledis.StrInt32(args[1], nil)
	if err != nil || trimSize < 0 {
		return ErrValue
	}

	if n, err := c.db.LTrimBack(args[0], trimSize); err != nil {
		return err
	} else {
		c.resp.writeInteger(int64(n))
	}

	return nil
}