// Copyright 2019 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

syntax = "proto3";
option optimize_for = LITE_RUNTIME;

// This file defines messages used for interacting with the chunneld service.
package vm_tools.chunneld;
option go_package = "chunneld_proto";

// Sent to chunneld to update the listening ports across all VMs/containers.
message UpdateListeningPortsRequest {
  // Identifies a particular container that has a listening port.
  message Tcp4ForwardTarget {
    // Name of the target VM.
    string vm_name = 1;

    // Name of the target container.
    string container_name = 2;

    // Owner of the target VM/container.
    string owner_id = 3;

    // Expected cid of the target VM.
    uint32 vsock_cid = 4;
  }

  // Map of port numbers to the containers that will be tunneled to..
  map<uint32, Tcp4ForwardTarget> tcp4_forward_targets = 1;
}

// Response to the UpdateListeningPortsRequest message.
message UpdateListeningPortsResponse {
  enum Status {
    // The status is unknown.
    UNKNOWN = 0;

    // Listening ports in chunneld were updated successfully.
    SUCCESS = 1;

    // Failed to update listening ports in chunneld.
    FAILED = 2;
  }

  // Result of the UpdateListeningPorts method.
  Status status = 1;
}