utils

package

v1.1.0 Latest Latest Go to latest Published: Mar 30, 2023 License: MIT Imports: 12 Imported by: 0

Details

Valid go.mod file

The Go module system was introduced in Go 1.11 and is the official dependency management solution for Go.
Redistributable license

Redistributable licenses place minimal restrictions on how software can be used, modified, and redistributed.
Tagged version

Modules with tagged versions give importers more predictable builds.
Stable version

When a project reaches major version v1 it is considered stable.
Learn more about best practices

Repository

github.com/wolf-joe/ts-dns

Links

Open Source Insights

Documentation ¶

Index ¶

Constants
func CtxDebug(ctx context.Context, format string, args ...interface{})
func CtxError(ctx context.Context, format string, args ...interface{})
func CtxInfo(ctx context.Context, format string, args ...interface{})
func CtxWarn(ctx context.Context, format string, args ...interface{})
func FastestPingIP(ipAddr []string, tcpPort int, timeout time.Duration) (string, int64, error)
func FormatECS(r *dns.Msg) string
func NewCtx(logger *logrus.Logger, logID uint16) context.Context
func ParseECS(s string) (ecs *dns.EDNS0_SUBNET, err error)
func PingIP(ipAddr string, tcpPort int, timeout time.Duration) error
func RemoveA(resp *dns.Msg)
func RemoveEDNSCookie(msg *dns.Msg)
func SetDefaultECS(r *dns.Msg, ecs *dns.EDNS0_SUBNET)
func WithFields(ctx context.Context, fields logrus.Fields) context.Context
type FakeRespWriter
- func NewFakeRespWriter() *FakeRespWriter

Constants ¶

View Source

const (

	// RecHandleKey 是否被递归处理
	RecHandleKey ctxKey = "TS_REC_HANDLE"
)

Variables ¶

This section is empty.

Functions ¶

func CtxDebug ¶

func CtxDebug(ctx context.Context, format string, args ...interface{})

CtxDebug logger.Debugf的封装，logger从context中获取

func CtxError ¶

func CtxError(ctx context.Context, format string, args ...interface{})

CtxError logger.Errorf的封装，logger从context中获取

func CtxInfo ¶

func CtxInfo(ctx context.Context, format string, args ...interface{})

CtxInfo logger.Infof的封装，logger从context中获取

func CtxWarn ¶

func CtxWarn(ctx context.Context, format string, args ...interface{})

CtxWarn logger.Warnf的封装，logger从context中获取

func FastestPingIP ¶

func FastestPingIP(ipAddr []string, tcpPort int, timeout time.Duration,
) (string, int64, error)

FastestPingIP 向指定IP地址列表同时发起ping，返回ping值最低的IP地址和耗时

func FormatECS ¶

func FormatECS(r *dns.Msg) string

FormatECS 将DNS请求/响应里的EDNS CLIENT SUBNET对象格式化为字符串

func NewCtx ¶

func NewCtx(logger *logrus.Logger, logID uint16) context.Context

NewCtx 返回一个已放入logger的ctx，用来传递给CtxInfo

func ParseECS ¶

func ParseECS(s string) (ecs *dns.EDNS0_SUBNET, err error)

ParseECS 将字符串（IP/CIDR）转换为EDNS CLIENT SUBNET对象

func PingIP ¶

func PingIP(ipAddr string, tcpPort int, timeout time.Duration) error

PingIP 向指定ip地址发起icmp ping/tcp ping（如tcpPort大于0），返回值为nil代表ping成功

func RemoveA ¶

func RemoveA(resp *dns.Msg)

RemoveA 移除dns响应中的A记录

func RemoveEDNSCookie ¶

func RemoveEDNSCookie(msg *dns.Msg)

RemoveEDNSCookie 移除EDNS Cookie

func SetDefaultECS ¶

func SetDefaultECS(r *dns.Msg, ecs *dns.EDNS0_SUBNET)

SetDefaultECS 为DNS请求/响应设置默认的ECS对象

func WithFields ¶

func WithFields(ctx context.Context, fields logrus.Fields) context.Context

WithFields 在ctx内放入用于打印日志的fields，已有时会被覆盖

Types ¶

type FakeRespWriter ¶

type FakeRespWriter struct {
	Msg   *dns.Msg
	Bytes []byte
}

func NewFakeRespWriter ¶

func NewFakeRespWriter() *FakeRespWriter

NewFakeRespWriter 创建一个FakeRespWriter，用于手动请求dns.Handler时获取DNS响应

func (*FakeRespWriter) Close ¶

func (w *FakeRespWriter) Close() error

func (*FakeRespWriter) Hijack ¶

func (w *FakeRespWriter) Hijack()

func (*FakeRespWriter) LocalAddr ¶

func (w *FakeRespWriter) LocalAddr() net.Addr

func (*FakeRespWriter) RemoteAddr ¶

func (w *FakeRespWriter) RemoteAddr() net.Addr

func (*FakeRespWriter) TsigStatus ¶

func (w *FakeRespWriter) TsigStatus() error

func (*FakeRespWriter) TsigTimersOnly ¶

func (w *FakeRespWriter) TsigTimersOnly(bool)

func (*FakeRespWriter) Write ¶

func (w *FakeRespWriter) Write(bytes []byte) (int, error)

func (*FakeRespWriter) WriteMsg ¶

func (w *FakeRespWriter) WriteMsg(msg *dns.Msg) error

Source Files ¶

View all Source files

Directories ¶

Path	Synopsis
mock

?	: This menu
/	: Search site
f or F	: Jump to
y or Y	: Canonical URL