/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 skywalking.v3;

option java_multiple_files = true;
option java_package = "org.apache.skywalking.apm.network.management.v3";
option csharp_namespace = "SkyWalking.NetworkProtocol.V3";
option go_package = "skywalking.apache.org/repo/goapi/collect/management/v3";

import "common/Common.proto";
import "common/Command.proto";

// Define the service reporting the extra information of the instance.
service ManagementService {
    // Report custom properties of a service instance.
    rpc reportInstanceProperties (InstanceProperties) returns (Commands) {
    }

    // Keep the instance alive in the backend analysis.
    // Only recommend to do separate keepAlive report when no trace and metrics needs to be reported.
    // Otherwise, it is duplicated.
    rpc keepAlive (InstancePingPkg) returns (Commands) {

    }
}

message InstanceProperties {
    string service = 1;
    string serviceInstance = 2;
    repeated KeyStringValuePair properties = 3;
    // Instance belong layer name which define in the backend, general is default.
    string layer = 4;
}

message InstancePingPkg {
    string service = 1;
    string serviceInstance = 2;
    // Instance belong layer name which define in the backend, general is default.
    string layer = 3;
}
