Hi, Luiz
On Wed, Aug 23, 2017 at 1:12 AM, Luiz Augusto von Dentz
<luiz.dentz@xxxxxxxxx> wrote:
> Hi Yunhan,
>
> On Tue, Aug 22, 2017 at 1:04 AM, Yunhan Wang <yunhanw@xxxxxxxxxx> wrote:
>> Hi, Luiz
>>
>> This is the patch to add a method, IndicationConf, to
>> GattCharacteristic1. Now i am able to handle indication confirmation.
>>
>> Thanks
>> Best wishes
>> Yunhan
>>
>> On Mon, Aug 21, 2017 at 2:59 PM, Yunhan Wang <yunhanw@xxxxxxxxxx> wrote:
>>> ---
>>> src/gatt-client.c | 9 +++++++++
>>> src/gatt-database.c | 15 +++++++++++----
>>> 2 files changed, 20 insertions(+), 4 deletions(-)
>>>
>>> diff --git a/src/gatt-client.c b/src/gatt-client.c
>>> index 1cd7fbcf5..120fffb5b 100644
>>> --- a/src/gatt-client.c
>>> +++ b/src/gatt-client.c
>>> @@ -1598,6 +1598,13 @@ static DBusMessage *characteristic_stop_notify(DBusConnection *conn,
>>> return dbus_message_new_method_return(msg);
>>> }
>>>
>>> +static DBusMessage *characteristic_indication_conf(DBusConnection *conn,
>>> + DBusMessage *msg, void *user_data)
>>> +{
>>> + DBG("indication conf received");
>>> + return dbus_message_new_method_return(msg);
>
> This doesn't seems to be doing anything with the confirmation, but
> perhaps for the client is fine since there could be many application
> listing for indication.
Yes, it can be used to listen for this indication confirmation in
client application.
>
>>> +}
>>> +
>>> static const GDBusPropertyTable characteristic_properties[] = {
>>> { "UUID", "s", characteristic_get_uuid, NULL, NULL },
>>> { "Service", "o", characteristic_get_service, NULL, NULL },
>>> @@ -1635,6 +1642,8 @@ static const GDBusMethodTable characteristic_methods[] = {
>>> characteristic_start_notify) },
>>> { GDBUS_METHOD("StopNotify", NULL, NULL,
>>> characteristic_stop_notify) },
>>> + { GDBUS_METHOD("IndicationConf", NULL, NULL,
>>> + characteristic_indication_conf) },
>>> { }
>>> };
>>>
>>> diff --git a/src/gatt-database.c b/src/gatt-database.c
>>> index 3b4bc7c8d..e28ccd3b0 100644
>>> --- a/src/gatt-database.c
>>> +++ b/src/gatt-database.c
>>> @@ -867,11 +867,17 @@ struct notify {
>>> const uint8_t *value;
>>> uint16_t len;
>>> bool indicate;
>>> + GDBusProxy *proxy;
>>> };
>>>
>>> static void conf_cb(void *user_data)
>>> {
>>> DBG("GATT server received confirmation");
>>> + GDBusProxy *proxy = user_data;
>
> Declaration should be at the beginning of the function.
Yes, thank you.
>
>>> + if (proxy != NULL)
>>> + {
>>> + g_dbus_proxy_method_call(proxy, "IndicationConf", NULL, NULL, NULL, NULL);
>>> + }
>
> Are there any case where the notify->proxy would be NULL? I would name
> it Confirm like I suggested initially and we need to document that it
> doesn't expect a reply so it is just a confirmation that value was
> received.
When send_service_changed happens, it is adding/removing gatt service,
which may not need any confirmation, and proxy would be NULL.
Yes, I will send another patch to rename it as Confirm and document it. thanks
>
>>> }
>>>
>>> static void send_notification_to_device(void *data, void *user_data)
>>> @@ -917,7 +923,7 @@ static void send_notification_to_device(void *data, void *user_data)
>>> DBG("GATT server sending indication");
>>> bt_gatt_server_send_indication(server, notify->handle, notify->value,
>>> notify->len, conf_cb,
>>> - NULL, NULL);
>>> + notify->proxy, NULL);
>>>
>>> return;
>>>
>>> @@ -930,7 +936,7 @@ remove:
>>> static void send_notification_to_devices(struct btd_gatt_database *database,
>>> uint16_t handle, const uint8_t *value,
>>> uint16_t len, uint16_t ccc_handle,
>>> - bool indicate)
>>> + bool indicate, GDBusProxy *proxy)
>>> {
>>> struct notify notify;
>>>
>>> @@ -942,6 +948,7 @@ static void send_notification_to_devices(struct btd_gatt_database *database,
>>> notify.value = value;
>>> notify.len = len;
>>> notify.indicate = indicate;
>>> + notify.proxy = proxy;
>>>
>>> queue_foreach(database->device_states, send_notification_to_device,
>>> ¬ify);
>>> @@ -972,7 +979,7 @@ static void send_service_changed(struct btd_gatt_database *database,
>>> put_le16(end, value + 2);
>>>
>>> send_notification_to_devices(database, handle, value, sizeof(value),
>>> - ccc_handle, true);
>>> + ccc_handle, true, NULL);
>>> }
>>>
>>> static void gatt_db_service_added(struct gatt_db_attribute *attrib,
>>> @@ -1861,7 +1868,7 @@ static void property_changed_cb(GDBusProxy *proxy, const char *name,
>>> gatt_db_attribute_get_handle(chrc->attrib),
>>> value, len,
>>> gatt_db_attribute_get_handle(chrc->ccc),
>>> - chrc->props & BT_GATT_CHRC_PROP_INDICATE);
>>> + chrc->props & BT_GATT_CHRC_PROP_INDICATE, proxy);
>>> }
>>>
>>> static bool database_add_ccc(struct external_service *service,
>>> --
>>> 2.14.1.480.gb18f417b89-goog
>>>
>
>
>
> --
> Luiz Augusto von Dentz
thanks
best wishes
yunhan
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