43 lines
843 B
Go
43 lines
843 B
Go
package tun
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import (
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"time"
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mdata "github.com/go-gost/core/metadata"
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mdutil "github.com/go-gost/core/metadata/util"
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)
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const (
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defaultKeepAlivePeriod = 10 * time.Second
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)
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type metadata struct {
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bufferSize int
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keepAlivePeriod time.Duration
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passphrase string
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}
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func (h *tunHandler) parseMetadata(md mdata.Metadata) (err error) {
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const (
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bufferSize = "bufferSize"
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keepAlive = "keepAlive"
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keepAlivePeriod = "ttl"
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passphrase = "passphrase"
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)
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h.md.bufferSize = mdutil.GetInt(md, bufferSize)
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if h.md.bufferSize <= 0 {
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h.md.bufferSize = 1500
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}
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if mdutil.GetBool(md, keepAlive) {
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h.md.keepAlivePeriod = mdutil.GetDuration(md, keepAlivePeriod)
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if h.md.keepAlivePeriod <= 0 {
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h.md.keepAlivePeriod = defaultKeepAlivePeriod
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}
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}
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h.md.passphrase = mdutil.GetString(md, passphrase)
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return
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}
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