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/**
* @file libnatpmp.h Interface to NAT-PMP Client library
*
* Copyright (C) 2010 Creytiv.com
*/
enum {
NATPMP_VERSION = 0,
NATPMP_PORT = 5351,
};
enum natpmp_op {
NATPMP_OP_EXTERNAL = 0,
NATPMP_OP_MAPPING_UDP = 1,
NATPMP_OP_MAPPING_TCP = 2,
};
enum natpmp_result {
NATPMP_SUCCESS = 0,
NATPMP_UNSUP_VERSION = 1,
NATPMP_REFUSED = 2,
NATPMP_NETWORK_FAILURE = 3,
NATPMP_OUT_OF_RESOURCES = 4,
NATPMP_UNSUP_OPCODE = 5
};
struct natpmp_resp {
uint8_t vers;
uint8_t op;
uint16_t result;
uint32_t epoch;
union {
uint32_t ext_addr;
struct {
uint16_t int_port;
uint16_t ext_port;
uint32_t lifetime;
} map;
} u;
};
struct natpmp_req;
typedef void (natpmp_resp_h)(int err, const struct natpmp_resp *resp,
void *arg);
int natpmp_external_request(struct natpmp_req **npp, const struct sa *srv,
natpmp_resp_h *h, void *arg);
int natpmp_mapping_request(struct natpmp_req **natpmpp, const struct sa *srv,
uint16_t int_port, uint16_t ext_port,
uint32_t lifetime, natpmp_resp_h *resph, void *arg);
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