func ParseUint(i interface{}) (uint64, error) {
var s string
switch x := Num64(i).(type) {
case int64:
if x < 0 {
return 0, errors.New("integer overflow")
}
return uint64(x), nil
case uint64:
return uint64(x), nil
case float64:
switch {
case math.IsNaN(x):
return 0, errors.New("float is NaN")
case math.IsInf(x, 0):
return 0, errors.New("float is Inf")
case math.Abs(x-float64(uint64(x))) > 1e-9:
return 0, errors.New("float to uint64")
}
return uint64(x), nil
case string:
s = x
case []byte:
s = string(x)
default:
s = fmt.Sprint(x)
}
u, err := strconv.ParseUint(s, 10, 64)
return u, errors.Trace(err)
}
func ParseFloat(i interface{}) (float64, error) {
var s string
switch x := Num64(i).(type) {
case int64:
return float64(x), nil
case uint64:
return float64(x), nil
case float64:
switch {
case math.IsNaN(x):
return 0, errors.New("float is NaN")
case math.IsInf(x, 0):
return 0, errors.New("float is Inf")
}
return float64(x), nil
case string:
s = x
case []byte:
s = string(x)
default:
s = fmt.Sprint(x)
}
f, err := strconv.ParseFloat(s, 64)
return f, errors.Trace(err)
}
func session(arg0 interface{}, args [][]byte) (Session, error) {
s, _ := arg0.(Session)
if s == nil {
return nil, errors.New("invalid session")
}
for i, v := range args {
if len(v) == 0 {
return nil, errors.Errorf("args[%d] is nil", i)
}
}
return s, nil
}
const (
B = 1 << (10 * iota)
KB
MB
GB
TB
PB
)
var (
BytesizeRegexp = regexp.MustCompile(`(?i)^\s*(\-?[\d\.]+)\s*([KMGTP]?B|[BKMGTP]|)\s*$`)
digitsRegexp = regexp.MustCompile(`^\-?\d+$`)
)
var (
ErrBadBytesize = errors.New("invalid byte size")
ErrBadBytesizeUnit = errors.New("invalid byte size unit")
)
func Parse(s string) (int64, error) {
if !BytesizeRegexp.MatchString(s) {
return 0, errors.Trace(ErrBadBytesize)
}
subs := BytesizeRegexp.FindStringSubmatch(s)
if len(subs) != 3 {
return 0, errors.Trace(ErrBadBytesize)
}
size := int64(0)
switch strings.ToUpper(string(subs[2])) {
// Licensed under the MIT (MIT-LICENSE.txt) license.
package redis
import (
"bufio"
"bytes"
"io"
"strconv"
"github.com/wandoulabs/redis-port/pkg/libs/errors"
"github.com/wandoulabs/redis-port/pkg/libs/log"
)
var (
ErrBadRespCRLFEnd = errors.New("bad resp CRLF end")
ErrBadRespBytesLen = errors.New("bad resp bytes len")
ErrBadRespArrayLen = errors.New("bad resp array len")
)
type decoder struct {
r *bufio.Reader
}
func Decode(r *bufio.Reader) (Resp, error) {
d := &decoder{r}
return d.decodeResp(0)
}
func MustDecode(r *bufio.Reader) Resp {
resp, err := Decode(r)
// Copyright 2014 Wandoujia Inc. All Rights Reserved.
// Licensed under the MIT (MIT-LICENSE.txt) license.
package backlog
import (
"os"
"sync"
"github.com/wandoulabs/redis-port/pkg/libs/errors"
)
var (
ErrClosedBacklog = errors.New("closed backlog")
ErrInvalidOffset = errors.New("invalid offset")
)
type buffer interface {
readSomeAt(b []byte, rpos uint64) (int, error)
writeSome(b []byte) (int, error)
dataRange() (rpos, wpos uint64)
close() error
}
type Backlog struct {
wl sync.Mutex
mu sync.Mutex
err error