// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
// From: https://github.com/hashicorp/go-plugin/blob/main/internal/plugin/grpc_stdio.proto

// go-plugin GRPCStdio service – required to avoid "method not found" errors.
// The host expects this to be present; we serve it but return nothing.
syntax = "proto3";
package plugin;

import "grpc_controller.proto";

message StdioData {
  enum Channel {
    INVALID = 0;
    STDOUT = 1;
    STDERR = 2;
  }
  Channel channel = 1;
  bytes data = 2;
}

service GRPCStdio {
  // StreamStdio returns a stream that the plugin uses to send stdout/stderr
  // data back to the host. The host sends an initial empty request.
  rpc StreamStdio(Empty) returns (stream StdioData);
}