| /* |
| * 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. |
| */ |
| |
| // The canonical version of this proto can be found at |
| // https://github.com/grpc/grpc-proto/blob/master/grpc/health/v1/health.proto |
| |
| syntax = "proto3"; |
| |
| package grpc.health.v1; |
| |
| option go_package = "dubbo.apache.org/dubbo-go/v3/protocol/triple/health/triple_health"; |
| |
| message HealthCheckRequest { |
| string service = 1; |
| } |
| |
| message HealthCheckResponse { |
| enum ServingStatus { |
| UNKNOWN = 0; |
| SERVING = 1; |
| NOT_SERVING = 2; |
| SERVICE_UNKNOWN = 3; // Used only by the Watch method. |
| } |
| ServingStatus status = 1; |
| } |
| |
| service Health { |
| // If the requested service is unknown, the call will fail with status |
| // NOT_FOUND. |
| rpc Check(HealthCheckRequest) returns (HealthCheckResponse); |
| |
| // Performs a watch for the serving status of the requested service. |
| // The server will immediately send back a message indicating the current |
| // serving status. It will then subsequently send a new message whenever |
| // the service's serving status changes. |
| // |
| // If the requested service is unknown when the call is received, the |
| // server will send a message setting the serving status to |
| // SERVICE_UNKNOWN but will *not* terminate the call. If at some |
| // future point, the serving status of the service becomes known, the |
| // server will send a new message with the service's serving status. |
| // |
| // If the call terminates with status UNIMPLEMENTED, then clients |
| // should assume this method is not supported and should not retry the |
| // call. If the call terminates with any other status (including OK), |
| // clients should retry the call with appropriate exponential backoff. |
| rpc Watch(HealthCheckRequest) returns (stream HealthCheckResponse); |
| } |