[libnice] fail to run simple-example on ARM...

[Philip Withnall]

Hi,

On Mon, 2015-08-31 at 19:13 +0800, Jack Wang wrote:
> I put the simple-example (by libnice 0.1.13) and required libraries
> (libgio-2.0.so.0  , libglib-2.0.so.0   ,  libgmodule-2.0.so.0 ,
> libgobject-2.0.so.0  , libgthread-2.0.so.0 and libffi.so.6) into the
> same folder,
> of course ,
> all files be compiled in ARM architecture.
> 
> But when I run the sample binary file,
> I got the following error:
> 
> =================================================
> mv7:/tmp# ./simple-example 0 stun-turn.org
> 
> ** (process:23277): ERROR **: Failed to start candidate gathering
> Trace/breakpoint trap
> =================================================
> 
> I traced the error back in codes of libnice and found the following
> part in socket/udp-bsd.c
> 
> --
> 118   /* GSocket: All socket file descriptors are set to be close-on
> -exec. */
> 119   g_socket_set_blocking (gsock, false);
> 120   gaddr = g_socket_address_new_from_native (&name.addr, sizeof
> (name));
> 121   if (gaddr != NULL) {
> 122     gret = g_socket_bind (gsock, gaddr, FALSE, NULL);
> 123     g_object_unref (gaddr);
> 124   }
> --

Try changing the g_socket_bind() line to:

GError *bind_error = NULL;
gret = g_socket_bind (gsock, gaddr, FALSE, &bind_error);
if (bind_error != NULL) {
  g_message ("%s: Bind error for %s: %s", G_STRFUNC,
nice_address_to_string (addr), bind_error->message);
  g_error_free (bind_error);
}

and see what error message is printed.

Philip
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