Hi Johan,
On 13:28 Wed 11 Jan, Johan Hedberg wrote:
> Hi,
>
> On Thu, Jul 21, 2011, mike tsai wrote:
> > Hi,
> > This patch reads the discovered characteristic's property to
> > determine if Read is permitted before sending read request. This
> > avoids the error response from server as "read not permitted".
> >
> > ---
> > attrib/client.c | 4 +++-
> > 1 files changed, 3 insertions(+), 1 deletions(-)
> >
> > diff --git a/attrib/client.c b/attrib/client.c
> > index 1ef2699..f345a9e 100644
> > --- a/attrib/client.c
> > +++ b/attrib/client.c
> > @@ -850,6 +850,8 @@ static void update_all_chars(gpointer data,
> > gpointer user_data)
> > struct primary *prim = user_data;
> > struct gatt_service *gatt = prim->gatt;
> >
> > + if (chr->perm & ATT_CHAR_PROPER_READ)
> > + {
> > qdesc = g_new0(struct query_data, 1);
> > qdesc->prim = prim;
> > qdesc->chr = chr;
> > @@ -864,8 +866,8 @@ static void update_all_chars(gpointer data,
> > gpointer user_data)
> >
> > gatt->attrib = g_attrib_ref(gatt->attrib);
> > gatt_read_char(gatt->attrib, chr->handle, 0, update_char_value, qvalue);
> > + }
> > }
> > -
> > static void char_discovered_cb(GSList *characteristics, guint8 status,
>
> Besides the obvious coding-style issue, is this patch still valid?
Yes. The problem the patch is aimed at still exists.
But there is another possible problem with the patch, I think it still
makes sense to try to discover the descriptors associated with a characteristic
even if you are not permitted to read the Value of that characteristic.
>
> Johan
> --
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Cheers,
--
Vinicius
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