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stun_hole_puncher.c
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stun_hole_puncher.c
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/* $Id$ */
/*
* Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
* Copyright (C) 2003-2008 Benny Prijono <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "stun_hole_puncher.h"
//#include <pjlib-util.h>
//#include <pjlib.h>
#define THIS_FILE "stun_hole_puncher.c"
//#define LOCAL_PORT 1998
//#define BANDWIDTH 64 /* -1 to disable */
//#define LIFETIME 600 /* -1 to disable */
//#define REQ_TRANSPORT -1 /* 0: udp, 1: tcp, -1: disable */
//#define REQ_PORT_PROPS -1 /* -1 to disable */
//#define REQ_IP 0 /* IP address string */
////#define OPTIONS PJ_STUN_NO_AUTHENTICATE
//#define OPTIONS 0
#define BYTE_PUNCHING 1
#define BYTE_PUNCHING_RESPONSE 2
// 8 10 16 Control-Key Control Action
//NUL 0 0 0 ^@ Null character
//SOH 1 1 1 ^A Start of heading, = console interrupt
//STX 2 2 2 ^B Start of text, maintenance mode on HP console
//ETX 3 3 3 ^C End of text
//EOT 4 4 4 ^D End of transmission, not the same as ETB
typedef enum{
PUNCHING_NOTSTART,
PUNCHING_ING,
PUNCHING_SUCCESS,
PUNCHING_FAIL
} PUNCHING_STATUS;
typedef struct peer
{
PJ_DECL_LIST_MEMBER(struct peer);
pj_stun_sock *stun_sock;
pj_sockaddr mapped_addr;
pj_sockaddr remote_target_addr;
// pj_timer_entry *punchingtimer; //為了讓要突然關掉timer時可以做到, 也可以timer找不到peer就不執行, 考慮要不要加
PUNCHING_STATUS punching_status;
pj_bool_t got_remote_punching;
pj_bool_t got_remote_punching_reponses;
// pj_str_t hole_punching_id;
char *hole_punching_id;
stun_binding_result result_cb;
stun_receive_data receive_cb;
stun_punching_result punching_cb;
void *user_data;
}peer;
static struct global
{
pj_bool_t inited;
pj_caching_pool cp;
pj_pool_t *pool;
pj_stun_config stun_config;
pj_thread_t *thread;
pj_bool_t quit;
// pj_dns_resolver *resolver;
//
// pj_turn_sock *relay;
// pj_sockaddr relay_addr;
struct peer plist;
// struct peer peer[2];
} g;
// no use
//static struct options
//{
// pj_bool_t use_tcp;
// char *srv_addr;
// char *srv_port;
// char *realm;
// char *user_name;
// char *password;
// pj_bool_t use_fingerprint;
// char *stun_server;
// char *nameserver;
//} o;
static int worker_thread(void *unused);
//static void turn_on_rx_data(pj_turn_sock *relay,
// void *pkt,
// unsigned pkt_len,
// const pj_sockaddr_t *peer_addr,
// unsigned addr_len);
//static void turn_on_state(pj_turn_sock *relay, pj_turn_state_t old_state,
// pj_turn_state_t new_state);
static pj_bool_t stun_sock_on_status(pj_stun_sock *stun_sock,
pj_stun_sock_op op,
pj_status_t status);
static pj_bool_t stun_sock_on_rx_data(pj_stun_sock *stun_sock,
void *pkt,
unsigned pkt_len,
const pj_sockaddr_t *src_addr,
unsigned addr_len);
static void my_perror(const char *title, pj_status_t status)
{
char errmsg[PJ_ERR_MSG_SIZE];
pj_strerror(status, errmsg, sizeof(errmsg));
PJ_LOG(3,(THIS_FILE, "%s: %s", title, errmsg));
}
#define CHECK(expr) status=expr; \
if (status!=PJ_SUCCESS) { \
my_perror(#expr, status); \
return status; \
}
static int sock_destory(pj_stun_sock *stun_sock);
struct peer* find_matched_peerByPeer(struct peer *peer);
struct peer* find_matched_peer(const char* hole_punching_id);
int init(void);
int add_peer_in_list(struct peer *peerlist, struct peer *p2p_peer);
int remove_peer_in_list(struct peer *p2p_peer);
//#define INITPOOLLOCK(x) (pthread_mutex_init(x, NULL))
//#define DEINITPOOLLOCK(x) (pthread_mutex_destroy(x))
//#define LOCKPOOL(x) (pthread_mutex_lock(x))
//#define UNLOCKPOOL(x) (pthread_mutex_unlock(x))
//#define TRYLOCKPOOL(x) (pthread_mutex_trylock(x))
//static pthread_mutex_t mt_mutex = PTHREAD_MUTEX_INITIALIZER;
//#define INITPOOLLOCK(x) (pthread_mutex_init(x, NULL))
#define DEINITPOOLLOCK(x) (pj_mutex_destroy(x))
#define LOCKPOOL(x) (pj_mutex_lock(x))
#define UNLOCKPOOL(x) (pj_mutex_unlock(x))
#define TRYLOCKPOOL(x) (pj_mutex_trylock(x))
pj_mutex_t *mt_mutex;
pj_mutex_t *mt_mutex_plist;
pj_mutex_t *mt_mutex_read;
pj_mutex_t *mt_mutex_write;
//void testCallback(struct peer *pr)
//{
//// pr->cb(pr->holePunchingID,pr->mapped_addr,PJ_SUCCESS);
//}
static void send_puching(struct peer *peer)
{
pj_sockaddr *remoteAdr = &(peer->remote_target_addr);
char straddr[PJ_INET6_ADDRSTRLEN+10];
pj_sockaddr_print(remoteAdr, straddr, sizeof(straddr), 3);
printf("P2P:Send Punching to %s\n",straddr);
char punching_byte = BYTE_PUNCHING;
pj_stun_sock_sendto(peer->stun_sock, NULL, &punching_byte, 1, 0,
remoteAdr, pj_sockaddr_get_len(remoteAdr));
}
static void puching_timer_callback(pj_timer_heap_t *ht, pj_timer_entry *e)
{
if(0 == LOCKPOOL(mt_mutex_write))
{
struct peer *peer = (struct peer*)e->user_data;
struct peer *matched_peer = find_matched_peerByPeer(peer);
// find_matched_peerByPeer(peer);
if (matched_peer==NULL) {
printf("P2P:punching timer is running but invalid_1\n");
UNLOCKPOOL(mt_mutex_write);
return;
}
if (matched_peer->punching_status != PUNCHING_ING) {
printf("P2P:punching timer is running but invalid_2\n");
UNLOCKPOOL(mt_mutex_write);
return;
}
printf("P2P:punching timer is running_valid\n");
//go head
// char input[32];
// sprintf(input, "Hello from peer%d", input[0]-'0');
// pj_sockaddr dst2A;
// pj_uint16_t port=(pj_uint16_t)12345;
// pj_str_t ns = pj_str("192.168.11.2");
// pj_sockaddr_init(pj_AF_INET(), &dst2A, &ns, port);
// pj_sockaddr *remoteAdr = &(matched_peer->remote_target_addr);
//
// char straddr[PJ_INET6_ADDRSTRLEN+10];
//
// pj_sockaddr_print(remoteAdr, straddr, sizeof(straddr), 3);
//
// printf("P2P:Send Punching to %s\n",straddr);
//
// char punching_byte = BYTE_PUNCHING;
//
// pj_stun_sock_sendto(peer->stun_sock, NULL, &punching_byte, 1, 0,
// remoteAdr, pj_sockaddr_get_len(remoteAdr));
send_puching(peer);
pj_time_val delay ;
delay.sec = 0 ;
delay.msec = MS_PUNCHING ;
pj_timer_heap_schedule(g.stun_config.timer_heap , e, &delay);
UNLOCKPOOL(mt_mutex_write);
}
int kkk2 =0;
}
// struct peer
// e->user_data
// pj_time_val delay ;
// delay.sec = 1 ;
// delay.msec = 0 ;
//
// pj_timer_heap_schedule(ht, e, &delay) ;
//pj_timer_entry *entry ;
//void test_startTimer()
//{
// init();
//// pj_timer_heap_t *timer ;
//// pj_timer_heap_create(g.pool , 1 , &timer ) ;
//
//
//
// //pj_timer_heap_set_max_timed_out_per_poll(this->timer_heap, 20);
//// pj_timer_heap_set_lock(this->timer_heap, this->timer_heap_lock, true);
//
//// struct pj_timer_entry
//// {
//// void *user_data; // 定时器的用户数据；C++通常用类对象；C通常用struct
//// int id; // 绝对的ID号；用来区分当user_data和cb都相同的情况
//// pj_timer_heap_callback *cb; // 定时器中的回调函数
//// };
//
//
// // pj_timer_entry_init(entry + i, i, &testUserDataA[i], timer_callback);
//
// pj_timer_entry *entry = (pj_timer_entry*)pj_pool_calloc(g.pool, 1, sizeof(*entry));
// entry->cb=&timer_callback;
//
// pj_time_val delay ;
// delay.sec = 7 ;
// delay.msec = 0 ;
// pj_timer_heap_schedule(g.stun_config.timer_heap , entry, &delay);
//}
//void test_stopTimer()
//{
// pj_timer_heap_cancel(g.stun_config.timer_heap,entry);
//}
//static int init();
int mk_create_sock(const char* hole_punching_id, stun_binding_result cb, stun_receive_data cb2, void *user_data)
{
pj_status_t status;
if (g.inited==PJ_FALSE) {
status= init();
g.inited = PJ_TRUE;
if(status !=PJ_SUCCESS)
{
return status;
}
}
// if(0 == LOCKPOOL(mt_mutex))
// {
/*
* Create peers
*/
//1. create peer
//2. 把peer, holePunchingID 加入arrray裡
//3. 設定callback(從server server返回的), 要送給對方, 參數有punchingID跟public ip:port
struct peer *p2p_peer = malloc(sizeof(peer));
p2p_peer->punching_status = PUNCHING_NOTSTART;
p2p_peer->got_remote_punching=PJ_FALSE;
p2p_peer->got_remote_punching_reponses=PJ_FALSE;
pj_stun_sock_cb stun_sock_cb;
//char name[] = "peer0";
pj_uint16_t port;
pj_stun_sock_cfg ss_cfg;
pj_str_t server;
pj_bzero(&stun_sock_cb, sizeof(stun_sock_cb));
stun_sock_cb.on_rx_data = &stun_sock_on_rx_data;
stun_sock_cb.on_status = &stun_sock_on_status;
p2p_peer->mapped_addr.addr.sa_family = pj_AF_INET();
// g.peer[i].mapped_addr.addr.sa_family = pj_AF_INET();
pj_stun_sock_cfg_default(&ss_cfg);
#if 1
/* make reading the log easier */
ss_cfg.ka_interval = 300;
#endif
// name[strlen(name)-1] = '0'+i;
status = pj_stun_sock_create(&g.stun_config, NULL, pj_AF_INET(),
&stun_sock_cb, &ss_cfg,
p2p_peer, &p2p_peer->stun_sock);
if (status != PJ_SUCCESS) {
my_perror("pj_stun_sock_create()", status);
// UNLOCKPOOL(mt_mutex);
return status;
}
// if (o.stun_server) {
server = pj_str(STUN_SERVER);
port = PJ_STUN_PORT;
// } else {
// server = pj_str(o.srv_addr);
// port = (pj_uint16_t)(o.srv_port?atoi(o.srv_port):PJ_STUN_PORT);
// }
status = pj_stun_sock_start(p2p_peer->stun_sock, &server,
port, NULL);
if (status != PJ_SUCCESS) {
my_perror("pj_stun_sock_start()", status);
// UNLOCKPOOL(mt_mutex);
return status;
}
// pj_str_t holeID = pj_str(holePunchingID);
p2p_peer->hole_punching_id = //pj_str((char*)hole_punching_id);
strdup(hole_punching_id);
// printf("P2P:hole2:%.*s\n", (int)p2p_peer->hole_punching_id.slen , p2p_peer->hole_punching_id.ptr);
// const char *test = pj_strbuf(&p2p_peer->hole_punching_id);
printf("P2P:hole punching(by strdup):%s\n",p2p_peer->hole_punching_id);
p2p_peer->result_cb = cb;
p2p_peer->receive_cb =cb2;
p2p_peer->user_data = user_data;
add_peer_in_list(&g.plist, p2p_peer);
// struct peer *matched_peer = find_matched_peer(hole_punching_id);
// UNLOCKPOOL(mt_mutex);
// }
return PJ_SUCCESS;
}
int init()
{
// printf("stun_test_init");
// o.stun_server = "stun.counterpath.com";//pj_optarg;
// int i;
pj_status_t status;
CHECK( pj_init() );
CHECK( pjlib_util_init() );
CHECK( pjnath_init() );
/* Check that server is specified */
// if (!o.srv_addr) {
// printf("Error: server must be specified\n");
// return PJ_EINVAL;
// }
pj_caching_pool_init(&g.cp, &pj_pool_factory_default_policy, 0);
g.pool = pj_pool_create(&g.cp.factory, "main", 1000, 1000, NULL);
/* Init global STUN config */
pj_stun_config_init(&g.stun_config, &g.cp.factory, 0, NULL, NULL);
/* Create global timer heap */
CHECK( pj_timer_heap_create(g.pool, 1000, &g.stun_config.timer_heap) );
/* Create global ioqueue */
CHECK( pj_ioqueue_create(g.pool, 16, &g.stun_config.ioqueue) );
/* Start the worker thread */
CHECK( pj_thread_create(g.pool, "stun", &worker_thread, NULL, 0, 0, &g.thread) );
pj_list_init(&g.plist);
pj_mutex_create(g.pool, "", PJ_MUTEX_SIMPLE, &mt_mutex);
pj_mutex_create(g.pool, "", PJ_MUTEX_SIMPLE, &mt_mutex_plist);
pj_mutex_create(g.pool, "", PJ_MUTEX_SIMPLE, &mt_mutex_read);
pj_mutex_create(g.pool, "", PJ_MUTEX_SIMPLE, &mt_mutex_write);
return PJ_SUCCESS;
}
int add_peer_in_list(struct peer *peerlist, struct peer *p2p_peer)
{
if(0 == LOCKPOOL(mt_mutex_plist))
{
pj_list_insert_before(peerlist, p2p_peer);
UNLOCKPOOL(mt_mutex_plist);
}
return PJ_SUCCESS;
}
int remove_peer_in_list(struct peer *p2p_peer)
{
if(0 == LOCKPOOL(mt_mutex_plist))
{
pj_list_erase(p2p_peer);
// pj_list_insert_before(peerlist, p2p_peer);
UNLOCKPOOL(mt_mutex_plist);
}
return PJ_SUCCESS;
}
struct peer* find_matched_peerByPeer(struct peer *peer)
{
struct peer *loop_peer;
struct peer *matched_peer = NULL;
if(0 == LOCKPOOL(mt_mutex_plist))
{
loop_peer = g.plist.next;
while (loop_peer != &g.plist)
{
if (loop_peer==peer) {
matched_peer =loop_peer;
break;
}
loop_peer = loop_peer->next;
}
UNLOCKPOOL(mt_mutex_plist);
}
return matched_peer;
}
struct peer* find_matched_peer(const char* hole_punching_id)
{
struct peer *loop_peer;
struct peer *matched_peer = NULL;
if(0 == LOCKPOOL(mt_mutex_plist))
{
loop_peer = g.plist.next;
while (loop_peer != &g.plist)
{
// printf("%s vs %s",loop_peer->hole_punching_id,hole_punching_id);
// printf("size:%lu;%lu",strlen(loop_peer->hole_punching_id),strlen(hole_punching_id));
if (strcmp(loop_peer->hole_punching_id, hole_punching_id)==0)//pj_strcmp2(&loop_peer->hole_punching_id,hole_punching_id)==0)
{
matched_peer = loop_peer;
break;
}
loop_peer = loop_peer->next;
}
UNLOCKPOOL(mt_mutex_plist);
// if (matched_peer==NULL) {
// return NULL;
// }
// if (matched_peer==NULL) {
// int kk=0;
// }
}
return matched_peer;
}
int mk_start_hole_punching(const char* hole_punching_id, const char *remote_mapped_ip, int remote_mapped_port, const char *remote_local_ip, int remote_local_port, stun_punching_result cb1, void *user_data)
{
if(g.inited && 0 == LOCKPOOL(mt_mutex_write))
{
// struct peer *loop_peer;
//若不清掉上一次的可能這次取到之前的 !!!
struct peer *matched_peer = find_matched_peer(hole_punching_id);
//
// loop_peer = g.plist.next;
// while (loop_peer != &g.plist)
// {
// if (pj_strcmp2(&loop_peer->hole_punching_id,hole_punching_id)==0)
// {
// matched_peer = loop_peer;
// break;
// }
//
// loop_peer = loop_peer->next;
// }
if (matched_peer==NULL) {
UNLOCKPOOL(mt_mutex_write);
return PJ_SUCCESS;
}
matched_peer->punching_status = PUNCHING_ING;
matched_peer->punching_cb=cb1;
pj_str_t remote_mapped_ip_str = pj_str((char*)remote_mapped_ip);
char *self_ip = pj_inet_ntoa(matched_peer->mapped_addr.ipv4.sin_addr);
pj_str_t self_map_ip = pj_str(self_ip);
if (pj_strcmp(&remote_mapped_ip_str, &self_map_ip)==0)
{
printf("P2P:Start hole punching, Lan\n");
//the same lan
pj_sockaddr dst;
pj_str_t ns = pj_str((char*)remote_local_ip);
pj_uint16_t port=(pj_uint16_t)remote_local_port;
pj_sockaddr_init(pj_AF_INET(), &dst, &ns, port);
// if (dst.addr.sa_family == PJ_AF_INET) {
// int kkk = 0;
// }
//
// if (dst.addr.sa_family == PJ_AF_INET6) {
// int kkk=0;
// }
//
//
// printf("dst fam:%d\n",dst.addr.sa_family);
// p2p_peer->mapped_addr.addr.sa_family = pj_AF_INET();
// char str1[PJ_INET6_ADDRSTRLEN+10];
// pj_sockaddr_print(&dst, str1, sizeof(str1), 3);
//
// printf("dst:%s\n",str1);
matched_peer->remote_target_addr = dst;
// if (matched_peer->remote_target_addr.addr.sa_family == PJ_AF_INET) {
// int kkk = 0;
// }
//
// if (matched_peer->remote_target_addr.addr.sa_family == PJ_AF_INET6) {
// int kkk=0;
// }
//
//
// printf("remote dst fam:%d\n",matched_peer->remote_target_addr.addr.sa_family);
//
// char str2[PJ_INET6_ADDRSTRLEN+10];
// pj_sockaddr_print(&(matched_peer->remote_target_addr), str2, sizeof(str2), 3);
//
// printf("remote dst:%s\n",str2);
// pj_stun_sock_sendto(peer->stun_sock, NULL, input, strlen(input)+1, 0,
// &dst2A, pj_sockaddr_get_len(&dst2A));
}
else
{
//use map_adr
printf("P2P:Start hole punching, Wan\n");
pj_sockaddr dst;
// pj_str_t ns = pj_str((char*)remote_local_ip);
pj_uint16_t port=(pj_uint16_t)remote_mapped_port;;
pj_sockaddr_init(pj_AF_INET(), &dst, &remote_mapped_ip_str, port);
matched_peer->remote_target_addr = dst;
}
pj_timer_entry *entry = (pj_timer_entry*)pj_pool_calloc(g.pool, 1, sizeof(*entry));
entry->cb=&puching_timer_callback;
entry->user_data = matched_peer;
pj_time_val delay ;
delay.sec = 0 ;
delay.msec = MS_PUNCHING ;
send_puching(matched_peer);
pj_timer_heap_schedule(g.stun_config.timer_heap , entry, &delay);
UNLOCKPOOL(mt_mutex_write);
// 0. 開始timer發punching包, 裡面要寫
// a. 送的人是誰(對方要寫自己來找出punchingID)
// b. 要檢查對方的ip跟這次的punching是不是同一個嗎? 先不用
//
// 1. 開始收data
// a. 若收到punching的代表收到別人的, 傳response回去, 要嘛sock可以找出送的人addr, 要嘛寫在punching包裡.
// b. 要收到對方的punching包 且收到別人的response 才算成功. (這兩個順序不一定)
}
// int kk =sizeof(straddr_selfaddr);
// pj_sockaddr_print(&info.mapped_addr, straddr2, sizeof(straddr2), 3);
// pj_sockaddr_print(&info.bound_addr, straddr3, sizeof(straddr3), 3);
// if (info.alias_cnt>0) {
// pj_sockaddr_print(&info.aliases[0], straddr_selfaddr, sizeof(straddr_selfaddr), 3);
//
// int kkk=0;
// }
// getselfaddr(&info, straddr_selfaddr,PJ_INET6_ADDRSTRLEN+10 );
return 0;
}
int mk_sendata(const char* hole_punching_id, const char *data, int datalen)
{
if(g.inited && 0 == LOCKPOOL(mt_mutex_write))
{
printf("P2P:Send data\n");
struct peer *matched_peer = find_matched_peer(hole_punching_id);
pj_sockaddr *remoteAdr = &(matched_peer->remote_target_addr);
pj_stun_sock_sendto(matched_peer->stun_sock, NULL, data, datalen, 0,
remoteAdr, pj_sockaddr_get_len(remoteAdr));
UNLOCKPOOL(mt_mutex_write);
}
return 0;
}
int mk_close_sock(const char* hole_punching_id)
{
if(g.inited)
{
if(0 == LOCKPOOL(mt_mutex_read))
{
if (0==LOCKPOOL(mt_mutex_write))
{
// struct peer *loop_peer;
struct peer *matched_peer = find_matched_peer(hole_punching_id);
// loop_peer = g.plist.next;
// while (loop_peer != &g.plist)
// {
// if (pj_strcmp2(&loop_peer->hole_punching_id,hole_punching_id)==0)
// {
// matched_peer = loop_peer;
// break;
// }
//
// loop_peer = loop_peer->next;
// }
if (matched_peer==NULL) {
UNLOCKPOOL(mt_mutex_write);
UNLOCKPOOL(mt_mutex_read);
return PJ_SUCCESS;
}
matched_peer->punching_status=PUNCHING_FAIL;
sock_destory(matched_peer->stun_sock);
free(matched_peer->hole_punching_id);
remove_peer_in_list(matched_peer);
// pj_list_erase(matched_peer);
free(matched_peer);
UNLOCKPOOL(mt_mutex_write);
}
UNLOCKPOOL(mt_mutex_read);
}
}
return PJ_SUCCESS;
}
static int sock_destory(pj_stun_sock *stun_sock)
{
if (stun_sock)
{
pj_stun_sock_destroy(stun_sock);
}
return PJ_SUCCESS;
}
static int client_shutdown()
{
printf("client shutdown1");
// unsigned i;
if (g.thread) {
g.quit = 1;
pj_thread_join(g.thread);
pj_thread_destroy(g.thread);
g.thread = NULL;
}
// if (g.relay) {
// pj_turn_sock_destroy(g.relay);
// g.relay = NULL;
// }
if (g.stun_config.timer_heap)
{
pj_timer_heap_destroy(g.stun_config.timer_heap);
g.stun_config.timer_heap = NULL;
}
if (g.stun_config.ioqueue) {
pj_ioqueue_destroy(g.stun_config.ioqueue);
g.stun_config.ioqueue = NULL;
}
if (g.pool)
{
pj_pool_release(g.pool);
g.pool = NULL;
}
DEINITPOOLLOCK(mt_mutex);
DEINITPOOLLOCK(mt_mutex_plist);
DEINITPOOLLOCK(mt_mutex_read);
DEINITPOOLLOCK(mt_mutex_write);
pj_pool_factory_dump(&g.cp.factory, PJ_TRUE);
pj_caching_pool_destroy(&g.cp);
return PJ_SUCCESS;
}
static int worker_thread(void *unused)
{
PJ_UNUSED_ARG(unused);
while (!g.quit)
{
const pj_time_val delay = {0, 10};
/* Poll ioqueue for the TURN client */
pj_ioqueue_poll(g.stun_config.ioqueue, &delay);
/* Poll the timer heap */
pj_timer_heap_poll(g.stun_config.timer_heap, NULL);
}
return 0;
}
static void getselfaddr(pj_stun_sock_info *info, char* straddr_selfaddr, int size)
{
if ((*info).alias_cnt>0)
{
// int kk =sizeof(straddr_selfaddr);
pj_sockaddr_print(&(*info).aliases[0], straddr_selfaddr, size, 3);
}
}
static pj_bool_t stun_sock_on_status(pj_stun_sock *stun_sock,
pj_stun_sock_op op,
pj_status_t status)
{
if(0 == LOCKPOOL(mt_mutex_read))
{
struct peer *peer = (struct peer*) pj_stun_sock_get_user_data(stun_sock);
if (peer==NULL) {
UNLOCKPOOL(mt_mutex_read);
return PJ_FALSE;
}
// struct peer *loop_peer;
struct peer *matched_peer = find_matched_peerByPeer(peer);
//
// loop_peer = g.plist.next;
// while (loop_peer != &g.plist)
// {
// if (peer==loop_peer) {
// matched_peer =loop_peer;
// break;
// }
//
// loop_peer = loop_peer->next;
// }
if (matched_peer==NULL) {
UNLOCKPOOL(mt_mutex_read);
return PJ_FALSE;
}
if (status == PJ_SUCCESS) {
// printf("peer:%.*s;", (int)matched_peer->hole_punching_id.slen , matched_peer->hole_punching_id.ptr);
printf("peer:%s",matched_peer->hole_punching_id);
PJ_LOG(4,(THIS_FILE, "%s success",
pj_stun_sock_op_name(op)));
} else {
char errmsg[PJ_ERR_MSG_SIZE];
pj_strerror(status, errmsg, sizeof(errmsg));
PJ_LOG(1,(THIS_FILE, "%s error: %s",
pj_stun_sock_op_name(op), errmsg));
matched_peer->result_cb(matched_peer->hole_punching_id,
NULL,NULL,
PJ_FALSE,matched_peer->user_data);
UNLOCKPOOL(mt_mutex_read);
return PJ_FALSE;
}
if (op==PJ_STUN_SOCK_BINDING_OP || op==PJ_STUN_SOCK_KEEP_ALIVE_OP) {
if (op==PJ_STUN_SOCK_KEEP_ALIVE_OP) {
printf("got stun keepAive packet");
}
pj_stun_sock_info info;
int cmp;
pj_stun_sock_get_info(stun_sock, &info);
cmp = pj_sockaddr_cmp(&info.mapped_addr, &peer->mapped_addr);
if (cmp) {
char straddr[PJ_INET6_ADDRSTRLEN+10];
// char straddr2[PJ_INET6_ADDRSTRLEN+10];
//
// char straddr3[PJ_INET6_ADDRSTRLEN+10];
char straddr_selfaddr[PJ_INET6_ADDRSTRLEN+10];
getselfaddr(&info, straddr_selfaddr,PJ_INET6_ADDRSTRLEN+10 );
// matched_peer->local_addr.addr.sa_family =pj_AF_INET();
// pj_sockaddr_cp(&matched_peer->local_addr, &info.aliases[0]);
pj_sockaddr_cp(&peer->mapped_addr, &info.mapped_addr);
pj_sockaddr_print(&peer->mapped_addr, straddr, sizeof(straddr), 3);
PJ_LOG(3,(THIS_FILE, "STUN mapped address is %s"
, straddr));
// pj_str_t addrStr = pj_str(straddr);
// pj_str_t target = pj_str(":");
// char *find2 = pj_strstr(&addrStr, &target);
// char *ipp2 = pj_inet_ntoa(peer->mapped_addr.ipv6 sin6_addr);
matched_peer->result_cb(matched_peer->hole_punching_id,
straddr,
straddr_selfaddr,
PJ_SUCCESS, matched_peer->user_data);
}
}
UNLOCKPOOL(mt_mutex_read);
}
return PJ_TRUE;
}
static pj_bool_t stun_sock_on_rx_data(pj_stun_sock *stun_sock,
void *pkt,
unsigned pkt_len,
const pj_sockaddr_t *src_addr,
unsigned addr_len)
{
if(0 == LOCKPOOL(mt_mutex_read))
{
struct peer *peer = (struct peer*) pj_stun_sock_get_user_data(stun_sock);
if (peer==NULL) {
UNLOCKPOOL(mt_mutex_read);
return PJ_FALSE;
}
struct peer *matched_peer = find_matched_peerByPeer(peer);
if (matched_peer==NULL) {
UNLOCKPOOL(mt_mutex_read);
return PJ_FALSE;
}
pj_bool_t pre_both_OK = matched_peer->got_remote_punching && matched_peer->got_remote_punching_reponses;
if (pkt_len==1)
{
char *only_byte= (char*)pkt;
if (*only_byte==BYTE_PUNCHING)
{
printf("P2P:Get punching\n");
//缺點是這邊認為punching成功後, 對方只發1個byte=BYTE_PUNCHING_RESPONSE,
//還是只能代表punching的意思,
//
//這邊認為成功後還是要回這個是怕對方沒有收到punching response
//got punching 包
matched_peer->got_remote_punching=PJ_TRUE;
//send back
char punching_byte = BYTE_PUNCHING_RESPONSE;
// pj_sockaddr *remoteAdr = &(matched_peer->remote_target_addr);