common.proto

/*
 * 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.network.protocol.common;

option java_multiple_files = true;
option java_package = "org.apache.skywalking.apm.network.common";
option csharp_namespace = "SkyWalking.NetworkProtocol";

message KeyStringValuePair {
    string key = 1;
    string value = 2;
}

message KeyIntValuePair {
    string key = 1;
    int32 value = 2;
}

message CPU {
    double usagePercent = 2;
}

// In most cases, detect point should be `server` or `client`.
// Even in service mesh, this means `server`/`client` side sidecar
// `proxy` is reserved only.
enum DetectPoint {
    client = 0;
    server = 1;
    proxy = 2;
}

message Commands {
    repeated Command commands = 1;
}

message Command {
    string command = 1;
    repeated KeyStringValuePair args = 2;
}

enum ServiceType {
    // An agent works inside the normal business application.
    normal = 0;
    // An agent works inside the database.
    database = 1;
    // An agent works inside the MQ.
    mq = 2;
    // An agent works inside the cache server.
    cache = 3;
    // An agent works inside the browser.
    browser = 4;
}