Encontré un artículo en internet sobre un código que añade un puerto UPnP (Universal Plug and Play) En el siguiente enlace
Easy Port Forwarding and Managing Router with UPnPLo necesito en aplicación o en extension dll, primero intento usarlo como extensión DLL ya que es más util de esa forma, pero obtengo estos errores al compilar:
[Linker error] undefined reference to `UPNPNAT::init(int, int)'
[Linker error] undefined reference to `UPNPNAT::discovery()'
[Linker error] undefined reference to `UPNPNAT::add_port_mapping(char*, char*, unsigned short, unsigned short, char*)'
ld returned 1 exit status
C:\Users\...\Makefile.win [Build Error] [UPNP.dll] Error 1
Aqui el: dllmain.ccp
#include "dll.h"
#include <windows.h>
export double AddPortMap()
{
UPNPNAT nat;
nat.init(5,10);
if(!nat.discovery())
{
return 0;
}
if(!nat.add_port_mapping("NewPort", "192.168.1.65", 1234, 1234, "TCP"))
{
return 0;
}
return 1;
}
Aqui el: dll.h
#ifndef _DLL_H_
#define export extern "C" __declspec (dllexport)
#define _DLL_H_
#include <string>
#include <vector>
#pragma warning(disable: 4251)
#define DefaultTimeOut 10
#define DefaultInterval 200
class __declspec (dllexport) UPNPNAT
{
public:
bool init(int time_out=DefaultTimeOut,int interval=DefaultInterval); //init
bool discovery();//find router
/****
**** _description: port mapping name
**** _destination_ip: internal ip address
**** _port_ex:external: external listen port
**** _destination_port: internal port
**** _protocal: TCP or UDP
***/
bool add_port_mapping(
char * _description, char * _destination_ip, unsigned short int _port_ex,
unsigned short int _destination_port, char * _protocal);//add port mapping
const char * get_last_error(){ return last_error.c_str();}//get last error
private:
bool get_description(); //
bool parser_description(); //
bool tcp_connect(const char * _addr,unsigned short int _port);
bool parse_mapping_info();
int udp_socket_fd;
int tcp_socket_fd;
typedef enum
{
NAT_INIT=0,
NAT_FOUND,
NAT_TCP_CONNECTED,
NAT_GETDESCRIPTION,
NAT_GETCONTROL,
NAT_ADD,
NAT_DEL,
NAT_GET,
NAT_ERROR
} NAT_STAT;
NAT_STAT status;
int time_out;
int interval;
std::string service_type;
std::string describe_url;
std::string control_url;
std::string base_url;
std::string service_describe_url;
std::string description_info;
std::string last_error;
std::string mapping_info;
};
#endif /* _DLL_H_ */
¿Algún consejo que me puedan dar?
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