cache

package

v1.0.0 Latest Latest Go to latest Published: May 27, 2020 License: MIT Imports: 14 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

This section is empty.

This section is empty.

func AcquireMsg() *dns.Msg

AcquireMsg returns an empty msg from pool

func ReleaseMsg(m *dns.Msg)

ReleaseMsg returns msg to pool

type Cache struct {
	// contains filtered or unexported fields
}

Cache type

func New(cfg *config.Config) *Cache

New return cache

func (c *Cache) GetN(key uint64, req *dns.Msg) error

GetN returns negative entry for a key

func (c *Cache) GetP(key uint64, req *dns.Msg) (*dns.Msg, *rl.RateLimiter, error)

GetP returns positive entry for a key

func (c *Cache) Name() string

Name return middleware name

func (c *Cache) ServeDNS(ctx context.Context, dc *ctx.Context)

ServeDNS implements the Handle interface.

func (c *Cache) Set(key uint64, msg *dns.Msg)

Set adds a new element to the cache. If the element already exists it is overwritten.

type ResponseWriter struct {
	ctx.ResponseWriter

	*Cache
}

ResponseWriter implement of ctx.ResponseWriter

func (w *ResponseWriter) WriteMsg(res *dns.Msg) error

WriteMsg implements the ctx.ResponseWriter interface