system_api/dbus/spaced/spaced.proto

// Copyright 2022 The ChromiumOS Authors
// 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;

package spaced;

// Output parameters for SetProjectId().
message SetProjectIdReply {
  // Set to true if ioctl syscall for setting the project inheritance flag
  // succeeds.
  bool success = 1;

  // Errno if success == false.
  int32 error = 2;
}

// Output parameters for SetProjectInheritanceFlag().
message SetProjectInheritanceFlagReply {
  // Set to true if ioctl syscall for setting the project id succeeds.
  bool success = 1;

  // Errno if success == false.
  int32 error = 2;
}

enum StatefulDiskSpaceState {
  // No value was set.
  NONE = 0;
  // No action is taken in this state.
  NORMAL = 1;
  // Prepare applications for impending critical disk space state.
  LOW = 2;
  // Critical disk space state.
  CRITICAL = 3;
}

message StatefulDiskSpaceUpdate {
  StatefulDiskSpaceState state = 1;
  int64 free_space_bytes = 2;
}

// Input parameters for GetQuotaCurrentSpacesForIds().
message GetQuotaCurrentSpacesForIdsRequest {
  string path = 1;
  repeated uint32 uids = 2 [packed = true];
  repeated uint32 gids = 3 [packed = true];
  repeated uint32 project_ids = 4 [packed = true];
}

// Output parameters for GetQuotaCurrentSpacesForIds().
message GetQuotaCurrentSpacesForIdsReply {
  // Maps from IDs to their current disk space usages.
  // The Value is set to -1 if quotactl fails for the ID.
  map<uint32, int64> curspaces_for_uids = 1;
  map<uint32, int64> curspaces_for_gids = 2;
  map<uint32, int64> curspaces_for_project_ids = 3;
}