telebit/relay/tunnel/tunnel.go

49 lines
957 B
Go

package tunnel
import (
"io"
"net"
)
// Listener defines a listener for use with http servers
type Listener struct {
Conns chan net.Conn
//ParentAddr net.Addr
}
// NewListener creates a channel for connections and returns the listener
func NewListener() *Listener {
return &Listener{
Conns: make(chan net.Conn),
}
}
// Feed will block while pushing a net.Conn onto Conns
func (l *Listener) Feed(conn net.Conn) {
l.Conns <- conn
}
// net.Listener interface
// Accept will block and wait for a new net.Conn
func (l *Listener) Accept() (net.Conn, error) {
conn, ok := <-l.Conns
if ok {
return conn, nil
}
return nil, io.EOF
}
// Close will close the Conns channel
func (l *Listener) Close() error {
close(l.Conns)
return nil
}
// Addr returns nil to fulfill the net.Listener interface
func (l *Listener) Addr() net.Addr {
// Addr may (or may not) return the original TCP or TLS listener's address
//return l.ParentAddr
return nil
}