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/*
* Copyright (c) 2021, 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.frameworks.automotive.telemetry;
import android.frameworks.automotive.telemetry.CallbackConfig;
import android.frameworks.automotive.telemetry.CarData;
import android.frameworks.automotive.telemetry.ICarTelemetryCallback;
/**
* This service collects data from varios other services, buffers them, and delivers to the
* listening scripts running in CarTelemetryService.
*/
@VintfStability
interface ICarTelemetry {
/**
* Sends a list of CarData to CarTelemetry.
*
* <p>Note that Binder has 1MB data limit from all the clients combined, please keep that in
* mind when writing frequent data.
*
* @throws IllegalArgumentException if total {@code dataList#content} size is more than 10KB.
*/
void write(in CarData[] dataList);
/**
* Adds a ICarTelemetryCallback.
*
* <p>Make sure to call {@code removeCallback} when the callback is no longer active
* or when the CallbackConfig needs to be updated.
*
* @param callback The callback to receive cartelemetryd updates.
*/
void addCallback(in CallbackConfig config, in ICarTelemetryCallback callback);
/**
* Removes a ICarTelemetryCallback from receiving updates from cartelemetryd.
*
* @param callback The callback to receive cartelemetryd updates.
*/
void removeCallback(in ICarTelemetryCallback callback);
}
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