Define grpc proto for remoteaccess.

// Copyright (C) 2022 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.

genrule {

    name: "wakeup_client_pb_h",

    tools: [

        "aprotoc",

        "protoc-gen-grpc-cpp-plugin",

    ],

    cmd: "$(location aprotoc) -I$$(dirname $(in)) -Iexternal/protobuf/src --plugin=protoc-gen-grpc=$(location protoc-gen-grpc-cpp-plugin) $(in) --grpc_out=$(genDir) --cpp_out=$(genDir)",

    srcs: [

        "wakeup_client.proto",

    ],

    out: [

        "wakeup_client.pb.h",

    ],

}

genrule {

    name: "wakeup_client_pb_cc",

    tools: [

        "aprotoc",

        "protoc-gen-grpc-cpp-plugin",

    ],

    cmd: "$(location aprotoc) -I$$(dirname $(in)) -Iexternal/protobuf/src --plugin=protoc-gen-grpc=$(location protoc-gen-grpc-cpp-plugin) $(in) --grpc_out=$(genDir) --cpp_out=$(genDir)",

    srcs: [

        "wakeup_client.proto",

    ],

    out: [

        "wakeup_client.pb.cc",

    ],

}

cc_library_static {

    name: "wakeup_client_protos",

    vendor: true,

    host_supported: true,

    include_dirs: [

        "external/protobuf/src",

    ],

    generated_headers: [

        "wakeup_client_pb_h",

    ],

    export_generated_headers: [

        "wakeup_client_pb_h",

    ],

    generated_sources: [

        "wakeup_client_pb_cc",

    ],

    shared_libs: [

        "libgrpc++",

        "libprotobuf-cpp-full",

    ],

    cflags: [

        "-Wno-unused-parameter",

    ],

}

/*

 * Copyright (C) 2022 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.

 */

syntax = "proto3";

package android.hardware.automotive.remoteaccess;

/**

 * Service provided by a wakeup client running on TCU.

 */

service WakeupClient {

    /**

     * Establish a long-live connection to receive remote tasks.

     *

     * <p>For the server, whenever a remote task arrives, if the connection is

     * alive, it will use the return stream to return a task's information.

     *

     * <p>If the connection is not alive, the server must stores the remote task

     * until a new connection is established (which means AP is ready to

     * receive remote task again) and send the stored tasks.

     *

     * <p>If the server closes the connection, the client will try to

     * reestablish the connection.

     */

    rpc GetRemoteTasks(GetRemoteTasksRequest) returns (stream GetRemoteTasksResponse) {}

    /**

     * Notifies whether AP is required to be waken up when remote task arrives.

     *

     * <p>Wakeup client should store and use this state until a new call with a

     * different state arrives.

     *

     * <p>If {@code isWakeupRequired} in the request is true, it must wake up AP

     * when a remote task arrives.

     *

     * <p>If {@code isWakeupRequired} in the request is false, it must not try

     * to wake up AP.

     */

    rpc NotifyWakeupRequired(NotifyWakeupRequiredRequest) returns (NotifyWakeupRequiredResponse) {}

}

message GetRemoteTasksRequest {}

message GetRemoteTasksResponse {

    string clientId = 1;

    bytes data = 2;

}

message NotifyWakeupRequiredRequest {

    bool isWakeupRequired = 1;

}

message NotifyWakeupRequiredResponse {}