55 lines
885 B
Go
55 lines
885 B
Go
package endpoint
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import (
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"errors"
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"net"
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"time"
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)
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func NewUplink(conn any) (u Uplink) {
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switch c := conn.(type) {
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case net.Listener:
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u.Listener = c
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u.Addr = c.Addr()
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case net.PacketConn:
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u.PacketConn = c
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u.Addr = c.LocalAddr()
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case net.Addr:
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u.Unmanaged = true
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u.Addr = c
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}
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return
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}
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type Uplink struct {
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Addr net.Addr
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Unmanaged bool
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Listener net.Listener
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PacketConn net.PacketConn
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}
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func (u Uplink) IsUDP() bool {
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_, ok := u.Addr.(*net.UDPAddr)
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return ok
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}
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func (u Uplink) IsTCP() bool {
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_, ok := u.Addr.(*net.TCPAddr)
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return ok
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}
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func (u *Uplink) Close() (err error) {
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if u.Unmanaged {
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return nil
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}
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if u.Listener != nil {
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err = errors.Join(err, u.Listener.Close())
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u.Listener = nil
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}
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if u.PacketConn != nil {
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err = errors.Join(err, u.PacketConn.SetDeadline(time.Now()), u.PacketConn.Close())
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u.PacketConn = nil
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}
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return
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}
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