Re: [PATCH v2 1/2] btio: Show destination address in connect error message

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Hi Pali,

On Wed, Apr 22, 2020 at 10:57 AM Luiz Augusto von Dentz
<luiz.dentz@xxxxxxxxx> wrote:
>
> Hi Pali,
>
> On Wed, Apr 22, 2020 at 10:06 AM Pali Rohár <pali@xxxxxxxxxx> wrote:
> >
> > When connect() fails it is not possible to retrieve destination address as
> > socket is not bound. So put destination address into error message.
> > ---
> >  btio/btio.c | 19 ++++++++++++++-----
> >  1 file changed, 14 insertions(+), 5 deletions(-)
> >
> > diff --git a/btio/btio.c b/btio/btio.c
> > index e7b4db16b..3ea73faea 100644
> > --- a/btio/btio.c
> > +++ b/btio/btio.c
> > @@ -85,6 +85,7 @@ struct connect {
> >         BtIOConnect connect;
> >         gpointer user_data;
> >         GDestroyNotify destroy;
> > +       bdaddr_t dst;
> >  };
> >
> >  struct accept {
> > @@ -214,6 +215,7 @@ static gboolean connect_cb(GIOChannel *io, GIOCondition cond,
> >         GError *gerr = NULL;
> >         int err, sk_err, sock;
> >         socklen_t len = sizeof(sk_err);
> > +       char addr[18];
> >
> >         /* If the user aborted this connect attempt */
> >         if ((cond & G_IO_NVAL) || check_nval(io))
> > @@ -226,8 +228,11 @@ static gboolean connect_cb(GIOChannel *io, GIOCondition cond,
> >         else
> >                 err = -sk_err;
> >
> > -       if (err < 0)
> > -               ERROR_FAILED(&gerr, "connect error", -err);
> > +       if (err < 0) {
> > +               ba2str(&conn->dst, addr);
> > +               g_set_error(&gerr, BT_IO_ERROR, err,
> > +                       "connect to %s: %s (%d)", addr, strerror(-err), -err);
> > +       }
> >
> >         conn->connect(io, gerr, conn->user_data);
> >
> > @@ -286,7 +291,7 @@ static void server_add(GIOChannel *io, BtIOConnect connect,
> >                                         (GDestroyNotify) server_remove);
> >  }
> >
> > -static void connect_add(GIOChannel *io, BtIOConnect connect,
> > +static void connect_add(GIOChannel *io, BtIOConnect connect, bdaddr_t dst,
> >                                 gpointer user_data, GDestroyNotify destroy)
> >  {
> >         struct connect *conn;
> > @@ -296,6 +301,7 @@ static void connect_add(GIOChannel *io, BtIOConnect connect,
> >         conn->connect = connect;
> >         conn->user_data = user_data;
> >         conn->destroy = destroy;
> > +       conn->dst = dst;
> >
> >         cond = G_IO_OUT | G_IO_ERR | G_IO_HUP | G_IO_NVAL;
> >         g_io_add_watch_full(io, G_PRIORITY_DEFAULT, cond, connect_cb, conn,
> > @@ -1671,6 +1677,7 @@ GIOChannel *bt_io_connect(BtIOConnect connect, gpointer user_data,
> >         struct set_opts opts;
> >         int err, sock;
> >         gboolean ret;
> > +       char addr[18];
> >
> >         va_start(args, opt1);
> >         ret = parse_set_opts(&opts, gerr, opt1, args);
> > @@ -1710,12 +1717,14 @@ GIOChannel *bt_io_connect(BtIOConnect connect, gpointer user_data,
> >         }
> >
> >         if (err < 0) {
> > -               ERROR_FAILED(gerr, "connect", -err);
> > +               ba2str(&opts.dst, addr);
> > +               g_set_error(gerr, BT_IO_ERROR, err,
> > +                               "connect to %s: %s (%d)", addr, strerror(-err), -err);
> >                 g_io_channel_unref(io);
> >                 return NULL;
> >         }
> >
> > -       connect_add(io, connect, user_data, destroy);
> > +       connect_add(io, connect, opts.dst, user_data, destroy);
> >
> >         return io;
> >  }
> > --
> > 2.20.1
>
> WARNING:LONG_LINE: line over 80 characters
> #67: FILE: btio/btio.c:1722:
> + "connect to %s: %s (%d)", addr, strerror(-err), -err);

I went ahead and applied.

-- 
Luiz Augusto von Dentz




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