syntax = "proto3";

package hello;
option go_package="122.51.31.227/go-course/go18/skills/rpc/protobuf/hello_service";

// 这里是应用其他的proto文件, 后面会讲 ipmort用法
import "google/protobuf/any.proto";

// The HelloService service definition.
service HelloService {
    // rpc 声明接口
    rpc Hello (Request) returns (Response);

    rpc Channel (stream Request) returns (stream Response) {}
}

message Request {
    string value = 1;
    // map
    map<string, string> extras = 2;
}

message RequestSet {
    int64 total = 1;
    // repeated 来描述一个数组
    repeated Request items = 2;
}

message Response {
    string value = 1;
}

enum Corpus {
    UNIVERSAL = 0;
    WEB = 1;
    IMAGES = 2;
    LOCAL = 3;
    NEWS = 4;
    PRODUCTS = 5;
    VIDEO = 6;
}

message ErrorStatus {
  string message = 1;
  repeated google.protobuf.Any details = 2;
}