2021-03-30 libnice 应用多线程

1.启动一个终端：

root@yex-Ubuntu:/home/work/hiSDK/soft-app/osip_VoIP/libnice/libnice-pc/libnice-0.1.13/out-pc/bin# ./sdp-example 1 ICE-server
Generated SDP from agent :
m=text 56411 ICE/SDP
c=IN IP4 192.168.9.10
a=ice-ufrag:KOGt
a=ice-pwd:S9MVqqI/Jix+XKPFBD0EnG
a=candidate:1 1 UDP 2013266431 fe80::b4a3:70ae:118b:51da 35119 typ host
a=candidate:2 1 TCP 1019216383 fe80::b4a3:70ae:118b:51da 9 typ host tcptype active
a=candidate:3 1 TCP 1015022079 fe80::b4a3:70ae:118b:51da 47869 typ host tcptype passive
a=candidate:4 1 UDP 2013266431 fd81:c91d:29e:0:1ab5:8f5e:8454:8846 33775 typ host
a=candidate:5 1 TCP 1019216383 fd81:c91d:29e:0:1ab5:8f5e:8454:8846 9 typ host tcptype active
a=candidate:6 1 TCP 1015022079 fd81:c91d:29e:0:1ab5:8f5e:8454:8846 53419 typ host tcptype passive
a=candidate:7 1 UDP 2013266431 fd81:c91d:29e::a36 35007 typ host
a=candidate:8 1 TCP 1019216383 fd81:c91d:29e::a36 9 typ host tcptype active
a=candidate:9 1 TCP 1015022079 fd81:c91d:29e::a36 43929 typ host tcptype passive
a=candidate:10 1 UDP 2013266431 192.168.9.10 58372 typ host
a=candidate:11 1 TCP 1019216383 192.168.9.10 9 typ host tcptype active
a=candidate:12 1 TCP 1015022079 192.168.9.10 56411 typ host tcptype passive

（IPV6在某些sip 交换SDP中无法通过（freeSwitch），需在客户端去除IPV6功能，就不会在candidate中出现IPV6的节点了）
Copy the following line to remote client:

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（以上的本sdp的base64字符）
Enter remote data (single line, no wrapping):
> 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（远端的sdp base64 ，从远端复制过来的）

Send lines to remote (Ctrl-D to quit):
> hollaw（输入互相通信的数据）

2.启动另外一个终端：

root@yex-Ubuntu:/home/work/hiSDK/linux/IPC_APP_SAMPLE/libnice/Debug# ./libnice-sdp 0 ICE-server
Generated SDP from agent :
m=text 60543 ICE/SDP
c=IN IP4 192.168.9.10
a=ice-ufrag:1Ltx
a=ice-pwd:fri1r0X+ExuDvOpyekBjxH
a=candidate:1 1 UDP 2013266431 fe80::b4a3:70ae:118b:51da 43636 typ host
a=candidate:2 1 TCP 1019216383 fe80::b4a3:70ae:118b:51da 9 typ host tcptype active
a=candidate:3 1 TCP 1015022079 fe80::b4a3:70ae:118b:51da 47761 typ host tcptype passive
a=candidate:4 1 UDP 2013266431 fd81:c91d:29e:0:1ab5:8f5e:8454:8846 41206 typ host
a=candidate:5 1 TCP 1019216383 fd81:c91d:29e:0:1ab5:8f5e:8454:8846 9 typ host tcptype active
a=candidate:6 1 TCP 1015022079 fd81:c91d:29e:0:1ab5:8f5e:8454:8846 34555 typ host tcptype passive
a=candidate:7 1 UDP 2013266431 fd81:c91d:29e::a36 50778 typ host
a=candidate:8 1 TCP 1019216383 fd81:c91d:29e::a36 9 typ host tcptype active
a=candidate:9 1 TCP 1015022079 fd81:c91d:29e::a36 48831 typ host tcptype passive
a=candidate:10 1 UDP 2013266431 192.168.9.10 60729 typ host
a=candidate:11 1 TCP 1019216383 192.168.9.10 9 typ host tcptype active
a=candidate:12 1 TCP 1015022079 192.168.9.10 60543 typ host tcptype passive

Copy the following line to remote client:

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（以上的本sdp的base64字符）
Enter remote data (single line, no wrapping):
> 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（远端的sdp base64 ，从远端复制过来的）

Send lines to remote (Ctrl-D to quit):
> hollaw（输入互相通信的数据）

BASE64 在线工具https://base64.us/

3.libnice在内网中（无stun、turnserver）即使在不同的局域网下也可以通信；可以使用多线程进行多次NAT同时穿透；

多线程操作：

1）建立一个 ctx->gloop

#if GLIB_CHECK_VERSION(2, 36, 0)
g_networking_init();
#else
g_type_init();
#endif

ctx->gloop = g_main_loop_new(NULL, FALSE);

// Run the mainloop and the example thread
   ctx->exitThread = FALSE;
//   ctx->niceThread = g_thread_new("niceThr", &niceThr, ctx);
   g_main_loop_run (ctx->gloop);
   ctx->exitThread = TRUE;

// g_thread_join (ctx->niceThread);
g_main_loop_unref(ctx->gloop);

#ifdef APPSERVER_DEBUG_SUBTSK_THR
OSA_printf("%s: Out of niceMainThr>>>>>\n", localTskId);
#endif
// ctx->gloop = NULL;

return EXIT_SUCCESS;

2）在此基础上建立多个agent

NiceMultiThr *ctx = (NiceMultiThr *)arg;

// gboolean *exitThread = ctx->exitThread;

gboolean relay_ok = FALSE;
gchar *sdp;

if(ctx->gloop == NULL || (*ctx->exitThread)){
       OSA_ERROR(">>>>%s->Failed gloop exitThread: %d\n", localTskId, (*ctx->exitThread));
       return (void*)EXIT_FAILURE;
   }

ctx->exitChildThread = TRUE;
   // Create the nice agent
   ctx->agent = nice_agent_new(g_main_loop_get_context (ctx->gloop),
   NICE_COMPATIBILITY_RFC5245);
   if (ctx->agent == NULL)
       OSA_ERROR(">>>>%s->Failed to create agent.\n", localTskId);

4.最新的版本都可以用作服务端了，源码中test-turn.c有实例；

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