I wrote a simple test code using sofia_sip to make a voip call. However,
when I execute the code, it is hang there ' entering main loop
for processing of messages'.
I suspect I made some some mistakes when using the nua_invite function. In
my makecall() function, I called nua_invite like this:
int makecall(char const *name, char const *url)
{
//create operation context, operation handle, etc..
nua_invite(op, NUTAG_URL (url), SOATAG_ADDRESS('0.0.0.0:8000'),
NUTAG_EARLY_MEDIA (1), TAG_END ());
}
then I called makecall like this:
makecall("star03", URL_STRING_MAKE("sip:136.222.222.64"));
Anyone can give me some hints on how to fix the bug?
Thanks for your kind help!
BR,
Xing
/**** the complete code
****************************************************************************/
/* include all the header files ....*/
#include <sofia-sip/su_wait.h>
#include <sofia-sip/sip.h>
#include <sofia-sip/sip_header.h>
#include <sofia-sip/tport.h>
#include <sofia-sip/nua.h>
#define SOFSIP_USE_GLIB_EVENT_LOOP 1
void event_callback(nua_event_t event,
int status,
char const *phrase,
nua_t *nua,
nua_magic_t *magic,
nua_handle_t *nh,
nua_hmagic_t *hmagic,
sip_t const *sip,
tagi_t tags[]);
typedef struct cli_s {
su_home_t cli_home[1]; /* memory home */
su_root_t *cli_root; /* Pointer to application root object */
nua_t *cli_nua; /* Pointer to nua stack object */
} cli_t ;
static cli_t cli[1] = {{{{sizeof(cli)}}}};
int sipinit(void)
{
/* step: initialize glib and gstreamer */
#if HAVE_GLIB
g_type_init();
#if HAVE_GST
{
guint major, minor, micro, nano;
gst_init (NULL, NULL);
gst_version (&major, &minor, µ, &nano);
g_message ("This program is linked against GStreamer %d.%d.%d\n",
major, minor, micro);
}
#endif
#endif
su_home_init(cli->cli_home);
su_init();
cli->cli_root =su_root_create(cli);
if (cli->cli_root != NULL)
{
cli->cli_nua = nua_create(cli->cli_root,
event_callback,
cli,
NUTAG_URL("sip:0.0.0.0:5060"),
TAG_END());
}
return 0;
}
/* set up a call */
int makecall(char const *name, url_string_t const *url)
{
nua_handle_t *op;
sip_to_t *to;
op = su_zalloc(cli->cli_home, (sizeof (nua_handle_t *)));
if (op==NULL)
{ printf("can not create operation context information\n");
return 0;
}
/*Destination address */
to = sip_to_create(NULL,url);
if (!to) return 0;
to->a_display=name;
op = nua_handle(cli->cli_nua, NULL, SIPTAG_TO(to), TAG_END());
printf (" create operation handle: OK\n");
if (op==NULL)
{ printf ("can not access operation handle\n");
return 0;
}
nua_invite(op, NUTAG_URL (url),
SOATAG_ADDRESS("0.0.0.0:8000"),
NUTAG_EARLY_MEDIA (1), TAG_END ());
printf ("make call: OK\n");
return (int) op;
}
int runsipmainloop(void)
{
if (cli->cli_nua !=NULL)
{
printf("entering main loop for processing of messages\n");
su_root_run(cli->cli_root);
printf ("entered main loop");
}
return 0;
}
int sipcleanup(void)
{
nua_destroy(cli->cli_nua);
su_root_destroy(cli->cli_root);
cli->cli_root=NULL;
su_home_deinit(cli->cli_home);
su_deinit();
return 0;
}
/* This callback will be called by SIP stack to
* process incoming events
*/
void event_callback(nua_event_t event,
int status,
char const *phrase,
nua_t *nua,
nua_magic_t *magic,
nua_handle_t *nh,
nua_hmagic_t *hmagic,
sip_t const *sip,
tagi_t tags[])
{ switch (event){
case nua_i_invite:
printf("invitation has been sent");
break;
case nua_i_active:
printf("receive invitation");
break;
case nua_r_invite:
printf("responseinvitation");
break;
default:
printf("unkown event");
}
}
int main()
{
sipinit();
makecall("star03", URL_STRING_MAKE("sip:136.222.222.64"));
runsipmainloop();
sipcleanup();
return 0;
}
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