Golang New Examples

Example #1

File: backlog.go Project: delayk/redis-port

// Copyright 2016 CodisLabs. All Rights Reserved.
// Licensed under the MIT (MIT-LICENSE.txt) license.

package backlog

import (
	"os"
	"sync"

	"github.com/CodisLabs/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

Example #2

File: bytesize.go Project: delayk/redis-port

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])) {

Example #3

File: decoder.go Project: delayk/redis-port

// Licensed under the MIT (MIT-LICENSE.txt) license.

package redis

import (
	"bufio"
	"bytes"
	"io"
	"strconv"

	"github.com/CodisLabs/redis-port/pkg/libs/errors"
	"github.com/CodisLabs/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)