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metadata.go
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/
metadata.go
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package tun
import (
"time"
mdata "github.com/jxo-me/netx/core/metadata"
mdutil "github.com/jxo-me/netx/core/metadata/util"
)
const (
defaultKeepAlivePeriod = 10 * time.Second
defaultBufferSize = 4096
)
type metadata struct {
bufferSize int
keepAlivePeriod time.Duration
passphrase string
}
func (h *tunHandler) parseMetadata(md mdata.IMetaData) (err error) {
const (
bufferSize = "bufferSize"
keepAlive = "keepAlive"
keepAlivePeriod = "ttl"
passphrase = "passphrase"
)
h.md.bufferSize = mdutil.GetInt(md, bufferSize)
if h.md.bufferSize <= 0 {
h.md.bufferSize = defaultBufferSize
}
if mdutil.GetBool(md, keepAlive) {
h.md.keepAlivePeriod = mdutil.GetDuration(md, keepAlivePeriod)
if h.md.keepAlivePeriod <= 0 {
h.md.keepAlivePeriod = defaultKeepAlivePeriod
}
}
h.md.passphrase = mdutil.GetString(md, passphrase)
return
}