netbird/iface/netstack/env.go

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package netstack
import (
"fmt"
"os"
"strconv"
log "github.com/sirupsen/logrus"
)
// IsEnabled todo: move these function to cmd layer
func IsEnabled() bool {
return os.Getenv("NB_USE_NETSTACK_MODE") == "true"
}
func ListenAddr() string {
sPort := os.Getenv("NB_SOCKS5_LISTENER_PORT")
port, err := strconv.Atoi(sPort)
if err != nil {
log.Warnf("invalid socks5 listener port, unable to convert it to int, falling back to default: %d", DefaultSocks5Port)
return listenAddr(DefaultSocks5Port)
}
if port < 1 || port > 65535 {
log.Warnf("invalid socks5 listener port, it should be in the range 1-65535, falling back to default: %d", DefaultSocks5Port)
return listenAddr(DefaultSocks5Port)
}
return listenAddr(port)
}
func listenAddr(port int) string {
return fmt.Sprintf("0.0.0.0:%d", port)
}