ble_error_t
btle_getLinkSecurity(Gap::Handle_t connectionHandle, SecurityManager::LinkSecurityStatus_t *securityStatusP)
{
ret_code_t rc;
dm_handle_t dmHandle = {
.appl_id = applicationInstance,
};
if ((rc = dm_handle_get(connectionHandle, &dmHandle)) != NRF_SUCCESS) {
if (rc == NRF_ERROR_NOT_FOUND) {
return BLE_ERROR_INVALID_PARAM;
} else {
return BLE_ERROR_UNSPECIFIED;
}
}
if ((rc = dm_security_status_req(&dmHandle, reinterpret_cast<dm_security_status_t *>(securityStatusP))) != NRF_SUCCESS) {
switch (rc) {
case NRF_ERROR_INVALID_STATE:
return BLE_ERROR_INVALID_STATE;
case NRF_ERROR_NO_MEM:
return BLE_ERROR_NO_MEM;
default:
return BLE_ERROR_UNSPECIFIED;
}
}
return BLE_ERROR_NONE;
}
/**@brief Function for handling the security request timer time-out.
*
* @details This function is called each time the security request timer expires.
*
* @param[in] p_context Pointer used for passing context information from the
* app_start_timer() call to the time-out handler.
*/
static void sec_req_timeout_handler(void * p_context)
{
uint32_t err_code;
dm_security_status_t status;
if (m_conn_handle != BLE_CONN_HANDLE_INVALID)
{
err_code = dm_security_status_req(&m_peer_handle, &status);
APP_ERROR_CHECK(err_code);
// If the link is still not secured by the peer, initiate security procedure.
if (status == NOT_ENCRYPTED)
{
err_code = dm_security_setup_req(&m_peer_handle);
APP_ERROR_CHECK(err_code);
}
}
}
/**@brief Function for handling the Security Request timer timeout.
*
* @details This function will be called each time the Security Request timer expires.
*
* @param[in] p_context Pointer used for passing some arbitrary information (context) from the
* app_start_timer() call to the timeout handler.
*/
static void sec_req_timeout_handler(void * p_context)
{
uint32_t err_code;
dm_security_status_t status;
if (m_conn_handle != BLE_CONN_HANDLE_INVALID)
{
err_code = dm_security_status_req(&m_dm_handle, &status);
APP_ERROR_CHECK(err_code);
// In case the link is secured by the peer during timeout, the request is not sent.
if (status == NOT_ENCRYPTED)
{
err_code = dm_security_setup_req(&m_dm_handle);
APP_ERROR_CHECK(err_code);
}
}
}
