void call_release(Call *call)
{
eXosip_call_terminate(0,call->did);
if (call->audio_stream!=NULL) audio_stream_stop(call->audio_stream);
#ifdef VIDEO_ENABLED
if (call->video_stream!=NULL) video_stream_send_only_stop(call->video_stream);
#endif
call->state=CALL_STATE_FINISHED;
}
int uac_bye(const sessionId Id)
{
eXosip_lock();
eXosip_call_terminate( Id.cid, Id.did);
eXosip_unlock();
eXosip_event_t *g_event = NULL;/*消息事件*/
uac_waitfor(&Id,EXOSIP_CALL_MESSAGE_ANSWERED,&g_event);
if(!g_event)
{
printf("no bye response\n");
return 0;
}
eXosip_event_free (g_event);
return 1;
}
void
eXosip_retransmit_lost200ok()
{
eXosip_call_t *jc;
eXosip_dialog_t *jd;
time_t now;
now = time (NULL);
for (jc = eXosip.j_calls; jc != NULL; jc = jc->next)
{
if (jc->c_id >= 1 && jc->c_dialogs != NULL)
{
for (jd = jc->c_dialogs; jd != NULL; jd = jd->next)
{
if (jd->d_id >=1 && jd->d_dialog != NULL && jd->d_200Ok!=NULL)
{
if (jd->d_count==5)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: no ACK received during 20s: dropping call\n"));
/* hard for users to detect than I sent this BYE... */
jd->d_count=0;
osip_message_free(jd->d_200Ok);
jd->d_200Ok=NULL;
eXosip_call_terminate(jc->c_id, jd->d_id);
}
else if (jd->d_timer<now)
{
/* a dialog exist: retransmit lost 200ok */
jd->d_timer = time (NULL) + 4;
jd->d_count++;
jd = jc->c_dialogs;
/* TU retransmission */
cb_snd_message (NULL, jd->d_200Ok, NULL,0, -1);
}
}
}
}
}
return;
}
/* temp implementation */
int serial_in_block(int fd, unsigned char s[], int length)
{
unsigned char i[2];
unsigned char j;
int actual_length;
if ( (2 != read (fd, i, 2)) || ((i[0] != 0x9A)&&(i[0] != 0x99)) || (i[1] != length)) {
// printf("read error!\n");
return -1;
}
if (i[0] == 0x99) {
if ((1 == read (fd, i ,1) && (i[0] == 0x03))) {
eXosip_lock ();
j = eXosip_call_terminate (calls.cid, calls.did);
if (j == 0)
call_remove ();
eXosip_unlock ();
calls.enable_audio = -1;
}
return -1;
}
actual_length = read(fd, s, length);
if (actual_length != length) {
printf("read error!\n");
return -1;
}
if ( (1 != read(fd, &j, 1)) || (j != count_crc8(i, 2, 0)) ) {
printf("crc error!\n");
return -1;
}
return actual_length;
}
int
main (int argc, char *argv[])
{
eXosip_event_t *je;
osip_message_t *reg = NULL;
osip_message_t *invite = NULL;
osip_message_t *ack = NULL;
osip_message_t *info = NULL;
osip_message_t *message = NULL;
int call_id, dialog_id;
int i,flag;
int flag1 = 1;
int id;
char *identity = "sip:[email protected]";
char *registerer = "sip:192.168.44.100:5060";
char *source_call = "sip:[email protected]";
char *dest_call = "sip:[email protected]:5060";
char command;
char tmp[4096];
char localip[128];
printf("r 向服务器注册\n\n");
printf("c 取消注册\n\n");
printf("i 发起呼叫请求\n\n");
printf("h 挂断\n\n");
printf("q 退出程序\n\n");
printf("s 执行方法INFO\n\n");
printf("m 执行方法MESSAGE\n\n");
//初始化
i = eXosip_init ();
if (i != 0)
{
printf ("Couldn't initialize eXosip!\n");
return -1;
}
else
{
printf ("eXosip_init successfully!\n");
}
i = eXosip_listen_addr (IPPROTO_UDP, NULL, 5060, AF_INET, 0);
if (i != 0)
{
eXosip_quit ();
fprintf (stderr, "Couldn't initialize transport layer!\n");
return -1;
}
flag = 1;
while (flag)
{
printf ("please input the comand:\n");
scanf ("%c", &command);
getchar ();
switch (command)
{
case 'r':
printf ("This modal isn't commpleted!\n");
break;
case 'i':/* INVITE */
i = eXosip_call_build_initial_invite (&invite, dest_call, source_call, NULL, "This si a call for a conversation");
if (i != 0)
{
printf ("Intial INVITE failed!\n");
break;
}
//符合SDP格式,其中属性a是自定义格式,也就是说可以存放自己的信息,但是只能是两列,比如帐户信息
//但是经测试,格式:v o t必不可少,原因未知,估计是协议栈在传输时需要检查的
snprintf (tmp, 4096,
"v=0\r\n"
"o=anonymous 0 0 IN IP4 0.0.0.0\r\n"
"t=1 10\r\n"
"a=username:rainfish\r\n"
"a=password:123\r\n");
osip_message_set_body (invite, tmp, strlen(tmp));
osip_message_set_content_type (invite, "application/sdp");
eXosip_lock ();
i = eXosip_call_send_initial_invite (invite);
eXosip_unlock ();
flag1 = 1;
while (flag1)
{
je = eXosip_event_wait (0, 200);
if (je == NULL)
{
printf ("No response or the time is over!\n");
break;
}
switch (je->type)
{
case EXOSIP_CALL_INVITE:
printf ("a new invite reveived!\n");
break;
case EXOSIP_CALL_PROCEEDING:
printf ("proceeding!\n");
break;
case EXOSIP_CALL_RINGING:
printf ("ringing!\n");
// call_id = je->cid;
// dialog_id = je->did;
printf ("call_id is %d, dialog_id is %d \n", je->cid, je->did);
break;
case EXOSIP_CALL_ANSWERED:
printf ("ok! connected!\n");
call_id = je->cid;
dialog_id = je->did;
printf ("call_id is %d, dialog_id is %d \n", je->cid, je->did);
eXosip_call_build_ack (je->did, &ack);
eXosip_call_send_ack (je->did, ack);
flag1 = 0;
break;
case EXOSIP_CALL_CLOSED:
printf ("the other sid closed!\n");
break;
case EXOSIP_CALL_ACK:
printf ("ACK received!\n");
break;
default:
printf ("other response!\n");
break;
}
eXosip_event_free (je);
}
break;
case 'h':
printf ("Holded !\n");
eXosip_lock ();
eXosip_call_terminate (call_id, dialog_id);
eXosip_unlock ();
break;
case 'c':
printf ("This modal isn't commpleted!\n");
break;
case 's':
//传输INFO方法
eXosip_call_build_info (dialog_id, &info);
snprintf (tmp , 4096,
"hello,rainfish");
osip_message_set_body (info, tmp, strlen(tmp));
//格式可以任意设定,text/plain代表文本信息
osip_message_set_content_type (info, "text/plain");
eXosip_call_send_request (dialog_id, info);
break;
case 'm':
//传输MESSAGE方法,也就是即时消息，和INFO方法相比，我认为主要区别，是MESSAGE不用建立连接，直接传输信息，而INFO必须
//在建立INVITE的基础上传输。
printf ("the mothed :MESSAGE\n");
eXosip_message_build_request (&message, "MESSAGE", dest_call, source_call, NULL);
snprintf (tmp, 4096,
"hellor rainfish");
osip_message_set_body (message, tmp, strlen(tmp));
//假设格式是xml
osip_message_set_content_type (message, "text/xml");
eXosip_message_send_request (message);
break;
case 'q':
eXosip_quit ();
printf ("Exit the setup!\n");
flag = 0;
break;
}
}
return (0);
}
