Add get_gatt_db to Bluetooth HAL

This patch adds new method, get_gatt_db to bluetooth HAL.
It can be used to grab whole GATT database in one request.
It will trigger get_gatt_db_callback, which is also part of
this patch.

Change-Id: I1a931f126db56e7a29537f3bca9cddff3dd27dc6

2 files changed, 38 insertions, 0 deletions

diff --git a/include/hardware/bt_common_types.h b/include/hardware/bt_common_types.h
index e30ac24e..77c845ba 100644
--- a/include/hardware/bt_common_types.h
+++ b/include/hardware/bt_common_types.h
@@ -41,4 +41,35 @@ typedef struct
     uint8_t  *p_scan_rsp_data;
 } btgatt_track_adv_info_t;
 
+typedef enum
+{
+    BTGATT_DB_PRIMARY_SERVICE,
+    BTGATT_DB_SECONDARY_SERVICE,
+    BTGATT_DB_INCLUDED_SERVICE,
+    BTGATT_DB_CHARACTERISTIC,
+    BTGATT_DB_DESCRIPTOR,
+} bt_gatt_db_attribute_type_t;
+
+typedef struct
+{
+    uint8_t             id;
+    bt_uuid_t           uuid;
+    bt_gatt_db_attribute_type_t type;
+    uint16_t            attribute_handle;
+
+    /*
+     * If |type| is |BTGATT_DB_PRIMARY_SERVICE|, or
+     * |BTGATT_DB_SECONDARY_SERVICE|, this contains the start and end attribute
+     * handles.
+     */
+    uint16_t            start_handle;
+    uint16_t            end_handle;
+
+    /*
+     * If |type| is |BTGATT_DB_CHARACTERISTIC|, this contains the properties of
+     * the characteristic.
+     */
+    uint8_t             properties;
+} btgatt_db_element_t;
+
 #endif  /* ANDROID_INCLUDE_BT_COMMON_TYPES_H */
diff --git a/include/hardware/bt_gatt_client.h b/include/hardware/bt_gatt_client.h
index e7e8e82b..45e8b268 100644
--- a/include/hardware/bt_gatt_client.h
+++ b/include/hardware/bt_gatt_client.h
@@ -245,6 +245,9 @@ typedef void (*track_adv_event_callback)(btgatt_track_adv_info_t *p_track_adv_in
 typedef void (*scan_parameter_setup_completed_callback)(int client_if,
                                                         btgattc_error_t status);
 
+/** GATT get database callback */
+typedef void (*get_gatt_db_callback)(int conn_id, btgatt_db_element_t *db, int count);
+
 typedef struct {
     register_client_callback            register_client_cb;
     scan_result_callback                scan_result_cb;
@@ -279,6 +282,7 @@ typedef struct {
     batchscan_threshold_callback        batchscan_threshold_cb;
     track_adv_event_callback            track_adv_event_cb;
     scan_parameter_setup_completed_callback scan_parameter_setup_completed_cb;
+    get_gatt_db_callback                get_gatt_db_cb;
 } btgatt_client_callbacks_t;
 
 /** Represents the standard BT-GATT client interface. */
@@ -448,6 +452,9 @@ typedef struct {
     /** Test mode interface */
     bt_status_t (*test_command)( int command, btgatt_test_params_t* params);
 
+    /** Get gatt db content */
+    bt_status_t (*get_gatt_db)( int conn_id);
+
 } btgatt_client_interface_t;
 
 __END_DECLS