56 lines
1.1 KiB
Go
56 lines
1.1 KiB
Go
package udp
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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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defaultTTL = 5 * time.Second
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defaultReadBufferSize = 1024
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defaultReadQueueSize = 128
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defaultBacklog = 128
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)
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type metadata struct {
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readBufferSize int
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readQueueSize int
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backlog int
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keepalive bool
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ttl time.Duration
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}
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func (l *udpListener) parseMetadata(md mdata.Metadata) (err error) {
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const (
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readBufferSize = "readBufferSize"
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readQueueSize = "readQueueSize"
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backlog = "backlog"
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keepalive = "keepalive"
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ttl = "ttl"
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)
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l.md.ttl = mdutil.GetDuration(md, ttl)
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if l.md.ttl <= 0 {
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l.md.ttl = defaultTTL
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}
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l.md.readBufferSize = mdutil.GetInt(md, readBufferSize)
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if l.md.readBufferSize <= 0 {
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l.md.readBufferSize = defaultReadBufferSize
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}
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l.md.readQueueSize = mdutil.GetInt(md, readQueueSize)
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if l.md.readQueueSize <= 0 {
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l.md.readQueueSize = defaultReadQueueSize
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}
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l.md.backlog = mdutil.GetInt(md, backlog)
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if l.md.backlog <= 0 {
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l.md.backlog = defaultBacklog
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}
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l.md.keepalive = mdutil.GetBool(md, keepalive)
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return
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}
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