--- android/dis.c | 79 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 75 insertions(+), 4 deletions(-) diff --git a/android/dis.c b/android/dis.c index 8a103b7..635ba90 100644 --- a/android/dis.c +++ b/android/dis.c @@ -125,13 +125,39 @@ void bt_dis_unref(struct bt_dis *dis) dis_free(dis); } +static struct gatt_request *create_request(struct bt_dis *dis, + void *user_data) +{ + struct gatt_request *req; + + req = new0(struct gatt_request, 1); + if (!req) + return NULL; + + req->user_data = user_data; + req->dis = bt_dis_ref(dis); + + return req; +} + +static bool set_and_store_gatt_req(struct bt_dis *dis, + struct gatt_request *req, + unsigned int id) +{ + req->id = id; + return queue_push_head(dis->gatt_op, req); +} + static void read_pnpid_cb(guint8 status, const guint8 *pdu, guint16 len, gpointer user_data) { - struct bt_dis *dis = user_data; + struct gatt_request *req = user_data; + struct bt_dis *dis = req->user_data; uint8_t value[PNP_ID_SIZE]; ssize_t vlen; + destroy_gatt_req(req); + if (status != 0) { error("Error reading PNP_ID value: %s", att_ecode2str(status)); return; @@ -161,12 +187,57 @@ static void read_pnpid_cb(guint8 status, const guint8 *pdu, guint16 len, dis->version, dis->notify_data); } +static void read_char(struct bt_dis *dis, GAttrib *attrib, uint16_t handle, + GAttribResultFunc func, gpointer user_data) +{ + struct gatt_request *req; + unsigned int id; + + req = create_request(dis, user_data); + if (!req) + return; + + id = gatt_read_char(attrib, handle, func, req); + + if (set_and_store_gatt_req(dis, req, id)) + return; + + error("dis: Could not read characteristic"); + g_attrib_cancel(attrib, id); + free(req); +} + +static void discover_char(struct bt_dis *dis, GAttrib *attrib, + uint16_t start, uint16_t end, + bt_uuid_t *uuid, gatt_cb_t func, + gpointer user_data) +{ + struct gatt_request *req; + unsigned int id; + + req = create_request(dis, user_data); + if (!req) + return; + + id = gatt_discover_char(attrib, start, end, uuid, func, req); + + if (set_and_store_gatt_req(dis, req, id)) + return; + + error("dis: Could not send discover characteristic"); + g_attrib_cancel(attrib, id); + free(req); +} + static void configure_deviceinfo_cb(uint8_t status, GSList *characteristics, void *user_data) { - struct bt_dis *d = user_data; + struct gatt_request *req = user_data; + struct bt_dis *d = req->user_data; GSList *l; + destroy_gatt_req(req); + if (status != 0) { error("Discover deviceinfo characteristics: %s", att_ecode2str(status)); @@ -178,7 +249,7 @@ static void configure_deviceinfo_cb(uint8_t status, GSList *characteristics, if (strcmp(c->uuid, PNPID_UUID) == 0) { d->handle = c->value_handle; - gatt_read_char(d->attrib, d->handle, read_pnpid_cb, d); + read_char(d, d->attrib, d->handle, read_pnpid_cb, d); break; } } @@ -194,7 +265,7 @@ bool bt_dis_attach(struct bt_dis *dis, void *attrib) dis->attrib = g_attrib_ref(attrib); if (!dis->handle) - gatt_discover_char(dis->attrib, primary->range.start, + discover_char(dis, dis->attrib, primary->range.start, primary->range.end, NULL, configure_deviceinfo_cb, dis); -- 1.8.4 -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html