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#include <stdlib.h>
#include <time.h>
#include <unistd.h>
#include "base.h"
#include "support/gatt.h"
#include "support/callbacks.h"
#define DEFAULT_RANDOM_SEED 42
static void create_random_uuid(bt_uuid_t *uuid, int seed) {
srand(seed < 0 ? time(NULL) : seed);
for (int i = 0; i < 16; ++i) {
uuid->uu[i] = (uint8_t) (rand() % 256);
}
}
bool gatt_client_register() {
TASSERT(gatt_interface != NULL, "Null GATT interface.");
// Registers gatt client.
bt_uuid_t gatt_client_uuid;
create_random_uuid(&gatt_client_uuid, DEFAULT_RANDOM_SEED);
CALL_AND_WAIT(gatt_interface->client->register_client(&gatt_client_uuid), btgattc_register_app_cb);
TASSERT(gatt_get_status() == BT_STATUS_SUCCESS, "Error registering GATT client app callback.");
// Unregisters gatt client. No callback is expected.
gatt_interface->client->unregister_client(gatt_get_client_interface());
return true;
}
bool gatt_client_scan() {
TASSERT(gatt_interface != NULL, "Null GATT interface.");
// Starts BLE scan. NB: This test assumes there is a BLE beacon advertising nearby.
CALL_AND_WAIT(gatt_interface->client->scan(true), btgattc_scan_result_cb);
// Ends BLE scan. No callback is expected.
gatt_interface->client->scan(false);
return true;
}
bool gatt_client_advertise() {
TASSERT(gatt_interface != NULL, "Null GATT interface.");
// Registers a new client app.
bt_uuid_t gatt_client_uuid;
create_random_uuid(&gatt_client_uuid, DEFAULT_RANDOM_SEED);
CALL_AND_WAIT(gatt_interface->client->register_client(&gatt_client_uuid), btgattc_register_app_cb);
TASSERT(gatt_get_status() == BT_STATUS_SUCCESS, "Error registering GATT client app callback.");
// Starts advertising.
CALL_AND_WAIT(gatt_interface->client->listen(gatt_get_client_interface(), true), btgattc_advertise_cb);
TASSERT(gatt_get_status() == BT_STATUS_SUCCESS, "Error starting BLE advertisement.");
// Stops advertising.
CALL_AND_WAIT(gatt_interface->client->listen(gatt_get_client_interface(), false), btgattc_advertise_cb);
TASSERT(gatt_get_status() == BT_STATUS_SUCCESS, "Error stopping BLE advertisement.");
// Unregisters gatt server. No callback is expected.
gatt_interface->client->unregister_client(gatt_get_client_interface());
return true;
}
bool gatt_server_register() {
TASSERT(gatt_interface != NULL, "Null GATT interface.");
// Registers gatt server.
bt_uuid_t gatt_server_uuid;
create_random_uuid(&gatt_server_uuid, DEFAULT_RANDOM_SEED);
CALL_AND_WAIT(gatt_interface->server->register_server(&gatt_server_uuid), btgatts_register_app_cb);
TASSERT(gatt_get_status() == BT_STATUS_SUCCESS, "Error registering GATT server app callback.");
// Unregisters gatt server. No callback is expected.
gatt_interface->server->unregister_server(gatt_get_server_interface());
return true;
}
bool gatt_server_build() {
TASSERT(gatt_interface != NULL, "Null GATT interface.");
// Registers gatt server.
bt_uuid_t gatt_server_uuid;
create_random_uuid(&gatt_server_uuid, DEFAULT_RANDOM_SEED);
CALL_AND_WAIT(gatt_interface->server->register_server(&gatt_server_uuid), btgatts_register_app_cb);
TASSERT(gatt_get_status() == BT_STATUS_SUCCESS, "Error registering GATT server app callback.");
// Service UUID.
btgatt_srvc_id_t srvc_id;
srvc_id.id.inst_id = 0; // there is only one instance of this service.
srvc_id.is_primary = 1; // this service is primary.
create_random_uuid(&srvc_id.id.uuid, -1);
// Characteristics UUID.
bt_uuid_t char_uuid;
create_random_uuid(&char_uuid, -1);
// Descriptor UUID.
bt_uuid_t desc_uuid;
create_random_uuid(&desc_uuid, -1);
// Adds service.
int server_if = gatt_get_server_interface();
CALL_AND_WAIT(gatt_interface->server->add_service(server_if, &srvc_id, 4 /* # handles */), btgatts_service_added_cb);
TASSERT(gatt_get_status() == BT_STATUS_SUCCESS, "Error adding service.");
// Adds characteristics.
int srvc_handle = gatt_get_service_handle();
CALL_AND_WAIT(gatt_interface->server->add_characteristic(server_if, srvc_handle, &char_uuid, 0x10 /* notification */, 0x01 /* read only */), btgatts_characteristic_added_cb);
TASSERT(gatt_get_status() == BT_STATUS_SUCCESS, "Error adding characteristics.");
// Adds descriptor.
int char_handle = gatt_get_characteristic_handle();
CALL_AND_WAIT(gatt_interface->server->add_descriptor(server_if, srvc_handle, &desc_uuid, 0x01), btgatts_descriptor_added_cb);
TASSERT(gatt_get_status() == BT_STATUS_SUCCESS, "Error adding descriptor.");
// Starts server.
CALL_AND_WAIT(gatt_interface->server->start_service(server_if, srvc_handle, 2 /*BREDR/LE*/), btgatts_service_started_cb);
TASSERT(gatt_get_status() == BT_STATUS_SUCCESS, "Error starting server.");
// Stops server.
CALL_AND_WAIT(gatt_interface->server->stop_service(server_if, srvc_handle), btgatts_service_stopped_cb);
TASSERT(gatt_get_status() == BT_STATUS_SUCCESS, "Error stopping server.");
// Deletes service.
CALL_AND_WAIT(gatt_interface->server->delete_service(server_if, srvc_handle), btgatts_service_deleted_cb);
TASSERT(gatt_get_status() == BT_STATUS_SUCCESS, "Error deleting service.");
// Unregisters gatt server. No callback is expected.
gatt_interface->server->unregister_server(server_if);
return true;
}
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