56 lines
1.2 KiB
Go
56 lines
1.2 KiB
Go
package relay
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import (
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"math"
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"strings"
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"time"
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"github.com/go-gost/gost/pkg/auth"
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mdata "github.com/go-gost/gost/pkg/metadata"
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)
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type metadata struct {
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authenticator auth.Authenticator
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readTimeout time.Duration
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retryCount int
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enableBind bool
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udpBufferSize int
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noDelay bool
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}
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func (h *relayHandler) parseMetadata(md mdata.Metadata) (err error) {
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const (
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users = "users"
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readTimeout = "readTimeout"
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retryCount = "retry"
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enableBind = "bind"
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udpBufferSize = "udpBufferSize"
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noDelay = "nodelay"
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)
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if auths := mdata.GetStrings(md, users); len(auths) > 0 {
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authenticator := auth.NewLocalAuthenticator(nil)
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for _, auth := range auths {
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ss := strings.SplitN(auth, ":", 2)
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if len(ss) == 1 {
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authenticator.Add(ss[0], "")
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} else {
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authenticator.Add(ss[0], ss[1])
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}
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}
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h.md.authenticator = authenticator
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}
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h.md.readTimeout = mdata.GetDuration(md, readTimeout)
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h.md.retryCount = mdata.GetInt(md, retryCount)
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h.md.enableBind = mdata.GetBool(md, enableBind)
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h.md.noDelay = mdata.GetBool(md, noDelay)
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if bs := mdata.GetInt(md, udpBufferSize); bs > 0 {
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h.md.udpBufferSize = int(math.Min(math.Max(float64(bs), 512), 64*1024))
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} else {
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h.md.udpBufferSize = 1024
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}
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return
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}
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