File size: 670 Bytes
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package app
import (
"net"
"github.com/pkg/errors"
)
func listenStatus(addr string, done <-chan struct{}) error {
if addr == "" {
return nil
}
l, err := net.Listen("tcp", addr)
if err != nil {
return errors.Wrap(err, "start status listener")
}
ch := make(chan net.Conn)
go func() {
defer close(ch)
for {
c, err := l.Accept()
if err != nil {
return
}
ch <- c
}
}()
go func() {
var conn []net.Conn
loop:
for {
select {
case <-done:
l.Close()
break loop
case c := <-ch:
conn = append(conn, c)
}
}
for c := range ch {
c.Close()
}
for _, c := range conn {
c.Close()
}
}()
return nil
}
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