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Copyright © 2011 MLstate
This file is part of OPA.
OPA is free software: you can redistribute it and/or modify it under the
terms of the GNU Affero General Public License, version 3, as published by
the Free Software Foundation.
OPA is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
more details.
You should have received a copy of the GNU Affero General Public License
along with OPA. If not, see <>.
quote("#include <stdlib.h>");
quote("#include <stdio.h>");
quote("///// \n\
#ifdef WIN32 \n\
#include <winsock2.h> \n\
#else \n\
#include <netinet/in.h> \n\
#include <arpa/inet.h> \n\
quote("#include <libnatpmp/getgateway.h>");
quote("#include <libnatpmp/natpmp.h>");
struct timeval {
long int tv_sec;
long int tv_usec;
typedef [int32] unsigned long uint32_t;
typedef unsigned short uint16_t;
typedef uint32_t in_addr_t;
struct in_addr {
in_addr_t s_addr;
struct in_addr * generate_in_addr(void)
quote(call, "_res = malloc(sizeof(struct in_addr)); _res->s_addr = 0;");
int inet_aton([in,string] const char * name, [in,out] struct in_addr * addr)
quote(call, "_res = inet_aton(name, addr);");
// this is a somehow polymorphic print for debug
quote(C,"void print_struct( void * astruct, size_t structSize){\n\
size_t i;\n\
char *printme=(char *) astruct;\n\
int formatter=1;\n\
for( i=0;i < structSize;i++ ) {\n\
fprintf(stderr,\"%02x \",*printme++); fflush(stderr); \n\
if (!(formatter%4)) {\n\
fprintf(stderr,\"\\n\"); fflush(stderr); \n\
[string, null_terminated] char * inet_ntoa([in] struct in_addr addr)
quote(call, "_res = (char *) inet_ntoa( ((struct in_addr) addr) );") ;
quote(ml, "module GateWay = struct");
quote(mli, "module GateWay : sig ");
int getdefaultgateway([in,out,unique] in_addr_t * addr);
quote(mlmli, "end");
typedef [abstract] struct {
int s;
in_addr_t gateway;
int has_pending_request;
unsigned char pending_request[12];
int pending_request_len;
int try_number;
int retry_time;
struct timeval retry_time;
} natpmp_t;
in_addr_t get_gateway_of_natpmp_t([in] const natpmp_t n)
quote(call, "_res = n.gateway;") ;
typedef struct {
uint16_t type;
uint16_t resultcode;
uint32_t epoch;
[switch_is(type)] union {
struct {
struct in_addr addr;
} publicaddress;
struct {
uint16_t privateport;
uint16_t mappedpublicport;
uint32_t lifetime;
} newportmapping;
} pnu;
} natpmpresp_t;
natpmp_t * generate_natpmp_t(void)
quote(call, "\
natpmp_t * z = malloc(sizeof(natpmp_t));\n\
_res = z;") ;
int initnatpmp([in,out,unique] natpmp_t * p, [in] int forcegw, [in] in_addr_t forcedgw)
quote(call, "_res = initnatpmp(p, forcegw, forcedgw);");
int closenatpmp([in,out,unique] natpmp_t * p);
int sendpublicaddressrequest([in,out,unique] natpmp_t * p);
enum switch_protocol {
} ;
int sendnewportmappingrequest([in,out,unique] natpmp_t * p,
[in] enum switch_protocol protocol,
[in] uint16_t privateport,
[in] uint16_t publicport,
[in] uint32_t lifetime)
quote(call, "_res = sendnewportmappingrequest(p, protocol, privateport, publicport, lifetime);");
int getnatpmprequesttimeout([in,out,unique] natpmp_t * p, [out,unique] struct timeval * timeout)
quote(call, "fd_set fds;\n\
FD_SET(p->s, &fds);\n\
_res = getnatpmprequesttimeout(p, timeout);\n\
select(FD_SETSIZE, &fds, NULL, NULL, timeout);");
int readnatpmpresponseorretry([in,out,unique] natpmp_t * p, [out,unique] natpmpresp_t * response)
quote(call, "_res = readnatpmpresponseorretry(p, response); if (_res != 0) { response = NULL; };");
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