/*
 * Copyright 2019 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package android.hardware.wifi@1.4;

import @1.0::IWifiRttController;
import @1.0::CommandId;
import @1.0::WifiChannelInfo;
import @1.0::WifiStatus;
import IWifiRttControllerEventCallback;

/**
 * Interface used to perform RTT(Round trip time) operations.
 */
interface IWifiRttController extends @1.0::IWifiRttController {
    /**
     * Requests notifications of significant events on this rtt controller.
     * Multiple calls to this must register multiple callbacks each of which must
     * receive all events.
     *
     * @param callback An instance of the |IWifiRttControllerEventCallback| HIDL
     *        interface object.
     * @return status WifiStatus of the operation.
     *         Possible status codes:
     *         |WifiStatusCode.SUCCESS|,
     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|
     */
    registerEventCallback_1_4(IWifiRttControllerEventCallback callback)
        generates (WifiStatus status);

    /**
     * API to request RTT measurement.
     *
     * @param cmdId command Id to use for this invocation.
     * @param rttConfigs Vector of |RttConfig| parameters.
     * @return status WifiStatus of the operation.
     *         Possible status codes:
     *         |WifiStatusCode.SUCCESS|,
     *         |WifiStatusCode.ERROR_WIFI_RTT_CONTROLLER_INVALID|,
     *         |WifiStatusCode.ERROR_INVALID_ARGS|,
     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
     *         |WifiStatusCode.ERROR_UNKNOWN|
     */
    rangeRequest_1_4(CommandId cmdId, vec<RttConfig> rttConfigs) generates (WifiStatus status);

    /**
     * RTT capabilities of the device.
     *
     * @return status WifiStatus of the operation.
     *         Possible status codes:
     *         |WifiStatusCode.SUCCESS|,
     *         |WifiStatusCode.ERROR_WIFI_RTT_CONTROLLER_INVALID|,
     *         |WifiStatusCode.ERROR_UNKNOWN|
     * @return capabilities Instance of |RttCapabilities|.
     */
    getCapabilities_1_4() generates (WifiStatus status, RttCapabilities capabilities);

    /**
     * Get RTT responder information e.g. WiFi channel to enable responder on.
     *
     * @return status WifiStatus of the operation.
     *         Possible status codes:
     *         |WifiStatusCode.SUCCESS|,
     *         |WifiStatusCode.ERROR_WIFI_RTT_CONTROLLER_INVALID|,
     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
     *         |WifiStatusCode.ERROR_UNKNOWN|
     * @return info Instance of |RttResponderInfo|.
     */
    getResponderInfo_1_4() generates (WifiStatus status, RttResponder info);

    /**
     * Enable RTT responder mode.
     *
     * @param cmdId command Id to use for this invocation.
     * @parm channelHint Hint of the channel information where RTT responder must
     *       be enabled on.
     * @param maxDurationInSeconds Timeout of responder mode.
     * @param info Instance of |RttResponderInfo|.
     * @return status WifiStatus of the operation.
     *         Possible status codes:
     *         |WifiStatusCode.SUCCESS|,
     *         |WifiStatusCode.ERROR_WIFI_RTT_CONTROLLER_INVALID|,
     *         |WifiStatusCode.ERROR_INVALID_ARGS|,
     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
     *         |WifiStatusCode.ERROR_UNKNOWN|
     */
    enableResponder_1_4(CommandId cmdId, WifiChannelInfo channelHint,
        uint32_t maxDurationInSeconds, RttResponder info) generates (WifiStatus status);
};