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transport.go
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transport.go
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package swarmtest
import (
"errors"
"net"
"time"
"github.com/hashicorp/memberlist"
)
type CustomNetTransport struct {
NetTransport *memberlist.NetTransport
shutdown chan struct{}
}
func NewCustomNetTransport(config *memberlist.NetTransportConfig) (*CustomNetTransport, error) {
transp, err := memberlist.NewNetTransport(config)
if err != nil {
return nil, err
}
return &CustomNetTransport{
NetTransport: transp,
shutdown: make(chan struct{}),
}, nil
}
func (t *CustomNetTransport) DialTimeout(addr string, timeout time.Duration) (net.Conn, error) {
select {
case <-t.shutdown:
return nil, errors.New("shut down the node on request")
default:
return t.NetTransport.DialTimeout(addr, timeout)
}
}
func (t *CustomNetTransport) FinalAdvertiseAddr(ip string, port int) (net.IP, int, error) {
select {
case <-t.shutdown:
return nil, -1, errors.New("shut down the node on request")
default:
return t.NetTransport.FinalAdvertiseAddr(ip, port)
}
}
func (t *CustomNetTransport) WriteTo(b []byte, addr string) (time.Time, error) {
select {
case <-t.shutdown:
return time.Now(), errors.New("shut down the node on request" + addr)
default:
return t.NetTransport.WriteTo(b, addr)
}
}
func (t *CustomNetTransport) PacketCh() <-chan *memberlist.Packet {
return t.NetTransport.PacketCh()
}
func (t *CustomNetTransport) StreamCh() <-chan net.Conn {
return t.NetTransport.StreamCh()
}
func (t *CustomNetTransport) Shutdown() error {
return t.NetTransport.Shutdown()
}
func (t *CustomNetTransport) Exit() {
close(t.shutdown)
}