This patch attach read callback to descriptors and characteristics
registered by Android app.
---
android/gatt.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 46 insertions(+), 2 deletions(-)
diff --git a/android/gatt.c b/android/gatt.c
index 5a1c9ce..6164044 100644
--- a/android/gatt.c
+++ b/android/gatt.c
@@ -3317,6 +3317,50 @@ static void set_trans_id(struct gatt_app *app, unsigned int id, int8_t opcode)
app->trans_id.opcode = opcode;
}
+static void read_cb(uint16_t handle, uint16_t offset, uint8_t att_opcode,
+ bdaddr_t *bdaddr, void *user_data)
+{
+ struct hal_ev_gatt_server_request_read ev;
+ struct gatt_app *app;
+ struct app_connection *conn;
+ int32_t id = PTR_TO_INT(user_data);
+ static int32_t trans_id = 1;
+
+ app = find_app_by_id(id);
+ if (!app) {
+ error("gatt: read_cb, cound not found app id");
+ goto failed;
+ }
+
+ conn = find_conn(bdaddr, app->id);
+ if (!conn) {
+ error("gatt: read_cb, cound not found connection");
+ goto failed;
+ }
+
+ memset(&ev, 0, sizeof(ev));
+
+ /* Store the request data, complete callback and transaction id */
+ set_trans_id(app, trans_id++, att_opcode);
+
+ bdaddr2android(bdaddr, ev.bdaddr);
+ ev.conn_id = conn->id;
+ ev.attr_handle = handle;
+ ev.offset = offset;
+ ev.is_long = att_opcode == ATT_OP_READ_BLOB_REQ ? true : false;
+ ev.trans_id = app->trans_id.id;
+
+ ipc_send_notif(hal_ipc, HAL_SERVICE_ID_GATT,
+ HAL_EV_GATT_SERVER_REQUEST_READ,
+ sizeof(ev), &ev);
+
+ return;
+
+failed:
+ send_gatt_response(att_opcode, handle, 0, ATT_ECODE_UNLIKELY, 0,
+ NULL, bdaddr);
+}
+
static void write_cb(uint16_t handle, uint16_t offset,
const uint8_t *value, size_t len,
uint8_t att_opcode, bdaddr_t *bdaddr,
@@ -3411,7 +3455,7 @@ static void handle_server_add_characteristic(const void *buf, uint16_t len)
cmd->service_handle,
&uuid, cmd->permissions,
cmd->properties,
- NULL, write_cb,
+ read_cb, write_cb,
INT_TO_PTR(app_id));
if (!ev.char_handle)
status = HAL_STATUS_FAILED;
@@ -3457,7 +3501,7 @@ static void handle_server_add_descriptor(const void *buf, uint16_t len)
ev.descr_handle = gatt_db_add_char_descriptor(gatt_db,
cmd->service_handle,
&uuid, cmd->permissions,
- NULL, write_cb,
+ read_cb, write_cb,
INT_TO_PTR(app_id));
if (!ev.descr_handle)
status = HAL_STATUS_FAILED;
--
1.8.4
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