!7

lib 1400216 import com.dosse.upnp.*;

static int port = 1234;

cmodule2 HolePuncher > DynPrintLog {
  switchable int port = 1234;
  S info;
  
  start-thread {
    serveHttp(port);
    print("Attempting UPnP port forwarding...");
    if (UPnP.isUPnPAvailable()) {
      if (UPnP.isMappedTCP(port))
        info("UPnP port forwarding not enabled: port is already mapped");
      else if (UPnP.openPortTCP(port))
        info("UPnP port forwarding enabled. port " + port + " opened");
      else
        info("UPnP port forwarding failed");
    } else
      info("UPnP is not available");
  }
  
  void info(S info) {
    setField(info := print(info));
  }
}

html { ret "It works brah!!"; }

Began life as a copy of #1024025