// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Next MinVersion: 40
module arc.mojom;

import "mojo/public/mojom/base/time.mojom";
import "chromeos/ash/experiences/arc/mojom/anr.mojom";

[Extensible]
enum BootType {
  // This is used only for backward compatibility reasons and the value has to
  // be 0.
  UNKNOWN = 0,

  // This is for the very first (opt-in) boot.
  FIRST_BOOT = 1,
  // This is for the first boot after Chrome OS update which also updates the
  // ARC image.
  FIRST_BOOT_AFTER_UPDATE = 2,
  // This is for a regular boot.
  REGULAR_BOOT = 3,
};

// Describes a boot progress event.
struct BootProgressEvent {
  // Name of the boot progress event in Android. Currently there are
  // 11 boot progress events found in Android source repository:
  //   system/core/logcat/event.logtags
  //   frameworks/base/services/core/java/com/android/server/am/
  //       EventLogTags.logtags
  //   frameworks/base/services/core/java/com/android/server/
  //       EventLogTags.logtags
  string event;

  // Timestamp of the event in uptime obtained in ARC. The uptime
  // is from clock source MONOTONIC_CLOCK since Chrome OS boots up.
  // Therefore, we need to calibrate the correct elapsed time of the
  // event by comparing the uptime with the ARC start time from
  // the same clock source MONOTONIC_CLOCK in session manager.
  int64 uptimeMillis;
};

// Describes a GFX metrics.
struct GfxMetrics {
  // Total frames rendered, it includes janky frames below.
  uint64 framesTotal;
  // Janky frames.
  uint64 framesJanky;
  // Maximum frame time in milliseconds of 95% of frames sorted from the
  // shortest to longest.
  uint32 frameTimePercentile95;
};

[Extensible]
enum NativeBridgeType {
  // Native bridge is not used.
  NONE = 0,
  // Using houdini translator.
  HOUDINI = 1,
  // Using ndk-translation translator.
  NDK_TRANSLATION = 2,
};

// ChromeOS companion library provide window management functionality to the
// application running on ARC++. This enum list all functionality of it, for
// collect statistics information of it by UMA stat.
[Extensible]
enum CompanionLibApiId {
  // If the companion library version doesn't support an API call,
  // the API call will be recorded as UNSUPPORTED.
  UNSUPPORTED = 0,

  // com.google.android.chromeos.ChromeOsDeviceInformation
  GET_DEVICE_MODE = 1,
  GET_DISPLAY_TOPOLOGY = 2,
  GET_PRIMARY_DISPLAY_ID = 3,
  GET_WORKSPACE_INSETS = 4,
  REGISTER_CALLBACK = 5,
  UNREGISTER_CALLBACK = 6,

  // com.google.android.chromeos.activity.ChromeOsTaskManagement
  ACTIVATE_TASK = 7,
  GET_CAPTION_HEIGHT = 8,
  GET_HIDDEN_CAPTION_BUTTON = 9,
  HIDE_CAPTION_BUTTON = 10,
  GET_TASK_WINDOW_BOUNDS = 11,
  GET_TASK_WINDOW_STATE = 12,
  IS_SHADOW_HIDDEN = 13,
  HIDE_SHADOW = 14,
  ON_CLOSE_REQUEST_RESPONSE = 15,
  SET_ON_CLOSE_REQUEST_HANDLER = 16,
  REMOVE_ON_CLOSE_REQUEST_HANDLER = 17,
  SET_TASK_WINDOW_BOUNDS = 18,
  SET_TASK_WINDOW_STATE = 19,

  // com.google.android.chromeos.activity.TaskWindowState
  GET_WINDOW_STATE = 20,

  // com.google.android.chromeos.view.WindowInteractionController
  WINDOW_INTERACTION_CONTROLLER = 21,

  // com.google.android.chromeos.widget.PopupWindow
  SET_CLIPPING_TO_TASK_DISABLE = 22,
  IS_CLIPPING_TO_TASK_DISABLED = 23,
};

[Extensible]
enum ArcDnsQuery {
  // All other hostnames.
  OTHER_HOST_NAME = 0,

  // android.googleapis.com used by Android checkin.
  ANDROID_API_HOST_NAME = 1,
};

// These enum values are persisted to metrics thus must be treated as
// append-only.
[Extensible]
enum ArcNetworkEvent {
  kUnknown = 0,
  kAndroidLegacyVpnConnection = 1,
  kAndroidThirdPartyVpnConnection = 2,
  kMojoConfigureAndroidVpn = 3,
  kMojoDisconnectAndroidVpn = 4,
  kMojoDnsTest = 5,
  kMojoHttpTest = 6,
  kMojoPingTest = 7,
  kWifiScannerClientConnection = 8,
  kWifiScannerGetScanResults = 9,
  kWifiScannerGetSingleScanResults = 10,
  kWifiScannerEnable = 11,
  kWifiScannerDisable = 12,
  kWifiScannerStartSingleScan = 13,
  kWifiScannerStartBackgroundScan = 14,
  kWifiScannerStartPnoScan = 15,
  kWifiScannerRegisterListener = 16,
  kWifiManagerStartScan = 17,
  kWifiManagerEnable = 18,
  kWifiManagerDisable = 19,
  kWifiManagerDisconnect = 20,
  kWifiManagerReconnect = 21,
  kWifiManagerGetNetworks = 22,
  kWifiManagerGetNetworksPrivileged = 23,
  kWifiManagerAddNetwork = 24,
  kWifiManagerRemoveNetwork = 25,
  kWifiManagerEnableNetwork = 26,
  kWifiManagerDisableNetwork = 27,
  kWifiManagerConnect = 28,
  kWifiManagerSave = 29,
  kWifiManagerForget = 30,
  kWifiManagerRegisterScanListener = 31,
  kWifiManagerAddNetworkSuggestions = 32,
  [MinVersion=17] kWifiManagerEnableTdls = 33,
  [MinVersion=17] kWifiManagerStartLocalHotspot = 34,
  [MinVersion=17] kWifiManagerAddPasspointConfiguration = 35,
  [MinVersion=19] kAndroidIpsecIke2VpnConnection = 36,
  [MinVersion=22] kAndroidVpnIpv6Provisioned = 37,
  [MinVersion=22] kAndroidVpnIpv4Provisioned = 38,
  [MinVersion=24] kAndroidDisconnectHostVpn = 39,
  [MinVersion=27] kArcHostVpnStarting = 40,
  [MinVersion=27] kArcHostVpnRouteReplaced = 41,
  [MinVersion=27] kArcHostVpnDisconnected = 42,
};

// These enum values are persisted to metrics thus must be treated as
// append-only.
[Extensible]
enum ArcNetworkError {
  kUnknown = 0,
  kMojoGetNetworksError = 1,
  kMojoWifiAddNetworkFailed = 2,
  kMojoWifiForgetNetworkFailed = 3,
  kMojoWifiConnectFailed = 4,
  kMojoWifiDisconnectFailed = 5,
  kMojoWifiScanTimeout = 6,
  kMojoWifiGetScanResultsFailed = 7,
  kNetdGetIpv4Error = 8,
  kNetdSetIpv4Error = 9,
  kNetdIfaceListError = 10,
  kNetdIfaceUpError = 11,
  kNetdIfaceMtuError = 12,
  kNetdIfaceClearError = 13,
  kNetdIfconfigGetError = 14,
  kNetdRestartIpv6Error = 15,
  kNetdIpForwardingStartError = 16,
  kNetdIpForwardingStopError = 17,
  kNetdIfaceForwardingStartError = 18,
  kNetdIfaceForwardingStopError = 19,
  kNetdTetheringStartError = 20,
  kNetdTetheringStopError = 21,
  kNetdSnatStartError = 22,
  kNetdSnatStopError = 23,
  [MinVersion=19] kPasspointInvalidConfigurationError = 24,
  [MinVersion=27] kArcHostVpnConnectionError = 25,
  [MinVersion=27] kArcHostVpnCrashedError = 26,
  [MinVersion=27] kArcHostVpnInternalError = 27,
  [MinVersion=28] kMojoWifiUpdateNetworkFailed = 28,
};

// Describes the type of app kill being reported.
[Extensible]
enum AppKillType {
  LMKD_KILL = 0,
  OOM_KILL = 1,
  [MinVersion=31] GMS_UPDATE_KILL = 2,
  [MinVersion=31] GMS_START_KILL = 3,
};

// Describes an app kill from ARC instance.
struct AppKill {
  // Type of kill being reported.
  AppKillType type;
  // Number of kills. For LMKD kills, this is always 1. For OOM kills, this is
  // the total oom_kill count from /proc/vm_stat.
  uint32 count;
};

// Describes the primary ABI for an app
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
enum AppPrimaryAbi {
  kNone = 0,
  kArm = 1,
  kArm64 = 2,
  kX86 = 3,
  kX86_64 = 4,
};

// Outlines the various states that can arise while performing Primary ABI
// Migration on a ChromeOS device.
[Extensible]
enum ArcCorePriAbiMigEvent {
  // If an unknown event is reported, it will be recorded as UNSUPPORTED.
  kUnsupported = 0,

  kMigrationCompleted = 1,
  kGmsNoDowngrade = 2,
  kGmsDowngradeSuccess = 3,
  kGmsDowngradeFailure = 4,
  kWebviewNoDowngrade = 5,
  kWebviewDowngradeSuccess = 6,
  kWebviewDowngradeFailure = 7,
};

// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
[Extensible]
enum DataRestoreStatus {
  // Data restore was not needed.
  kNotNeeded = 0,
  // Data restore success.
  kSuccess = 1,
  // Data restore failed.
  kFailed = 2,
};

// Enumerates variations of Low Latency Stylus Library.
[Extensible]
enum LowLatencyStylusLibraryType {
  [Default] kUnsupported = 0,
  kCPU = 1,
  kGPU = 2,
};

// The prediction target set in Low Latency Stylus Library.
struct LowLatencyStylusLibPredictionTarget {
  // Variations of Low Latency Stylus Library.
  LowLatencyStylusLibraryType type;
  // Prediction target set in Low Latency Stylus Library.
  uint32 target;
};

// Enumerates the API call from ChromeOS Low-latency stylus library, which
// provides mechanisms to reduce the draw latency for ARC++ app running on
// ChromeOS.
[Extensible]
enum LowLatencyStylusLibApiId {
  // If the library version doesn't support an API call, the API
  // call will be recorded as UNSUPPORTED.
  [Default] kUnsupported = 0,

  // com.google.android.chromeos.lowlatencystylus.InkOverlay
  kInkOverlayLowLatencyLibInUse = 1,

  // com.google.android.chromeos.lowlatencystylus.gpu.GLInkOverlay
  kGLInkOverlayLowLatencyLibInUse = 2,

  // com.google.android.chromeos.lowlatencystylus.gpu.GLInkRenderer
  kGLInkOverlaySetProjectionMatrix = 3,
  kGLInkOverlaySetViewMatrix = 4,
};

// Enumerates the API call from ChromeOS VPN service builder compat
// that provides functionality for Vpn exclude and add route
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused
[Extensible]
enum VpnServiceBuilderCompatApiId {
  // If the library version doesn't support an API call, the API
  // call will be recorded as UNSUPPORTED.
  [Default] kUnsupported = 0,

  // com.google.android.chromeos.vpn.VpnServiceBuilderCompat
  kVpnExcludeRoute = 1,

  // com.google.android.chromeos.vpn.VpnServiceBuilderCompat
  kVpnAddRoute = 2,
};
// Status for migration of the main account hash code from v2 to v3.
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
[Extensible]
enum MainAccountHashMigrationStatus {
  // Hash code migration not required.
  kHashCodeMigrationNotRequired = 0,

  // Hash code migration successful.
  kHashCodeMigrationSuccessful = 1,

  // Hash code migration failed.
  kHashCodeMigrationFailed = 2,

  // Hash code migration failed due to multiple acc hash matching.
  kHashCodeMigrationFailedDueToMultipleAccounts = 3,

  // Hash code migration failed due to multiple acc hash matching.
  kHashCodeMigrationFailedDueToNoMatchingAccount = 4,

  // NOTE: If you add any entries to this enum, you must also update the
  // corresponding UMA ArcMainAccountHashMigrationStatus at
  // tools/metrics/histograms/enums.xml.
};

// Enumerates the types of Wayland timing events where the message processing
// completed late and could cause UI jank in ARC apps. This enum is persisted to
// logs. Existing values should not be changed and new values should only be
// appended to the end.
[Extensible]
enum WaylandTimingEvent {
  [Default] kOther = 0,
  kBinderReleaseClipboardData = 1,
  kWlBufferRelease = 2,
  kWlKeyboardLeave = 3,
  kWlPointerMotion = 4,
  kWlPointerLeave = 5,
  kZauraShellActivated = 6,
  kZauraSurfaceOcclusionChanged = 7,
  kZcrRemoteSurfaceWindowGeometryChanged = 8,
  kZcrRemoteSurfaceBoundsChangedInOutput = 9,
  kZcrVsyncTimingUpdate = 10,
};

// Enumerates the types of select ARC KeyMint error codes.
// This enum is persisted to logs. Existing values should not be changed and new
// values should only be appended to the end.
[Extensible]
enum ArcKeyMintError {
  [Default] kOther = 0,
  kOk = 1,
  kUnknownError = 2,
  kInvalidKeyBlob = 3,
  kInvalidArgument = 4,
  kUnsupportedAlgorithm = 5,
  kUnimplemented = 6,
  kUnexpectedNullPointer = 7,
};

// Enumerates the types of select ARC KeyMint operations.
// This enum is persisted to logs. Existing values should not be changed and new
// values should only be appended to the end.
[Extensible]
enum ArcKeyMintLoggedOperation {
  [Default] kOther = 0,
  kGenerateCertificateRequest = 1,
};

// Enumerates the result codes of certification signing operations.
// This enum is persisted to logs. Existing values should not be changed and new
// values should only be appended to the end.
[Extensible]
enum CertificateSigningResult {
  [Default] kOther = 0,
  kOk = 1,
  kDeviceNotRegistered = 2,
  kTimeout = 3,
  kIOException = 4,
  kHttp200 = 5,
  kHttp403 = 6,
  kHttp404 = 7,
  kHttp500 = 8,
  kHttp503 = 9,
  [MinVersion=38] kDevMode = 10,
  [MinVersion=39] kHttp400 = 11,
};

// Enumerates the types of Anr and Crash dialogs, based on the resource id the
// dialog uses.
[Extensible]
enum AppErrorDialogType {
  [Default] kUnsupported = 0,
  kAerrApplication = 1,
  kAerrProcess = 2,
  kAerrApplicationRepeated = 3,
  kAerrProcessRepeated = 4,
  kAnrActivityApplication = 5,
  kAnrActivityProcess = 6,
  kAnrApplicationProcess = 7,
  kAnrProcess = 8,
};

// Maps to AndroidAppCategories in
// tools/metrics/histograms/metadata/arc/histograms.xml
[Extensible]
enum AndroidAppCategory {
  [Default] kOther = 0,
  kAudio = 1,
  kGame = 2,
  kImage = 3,
  kProductivity = 4,
  kSocial = 5,
  kVideo = 6,
};

// Describes combined application data size for the specified app category.
struct AppCategoryDataSize {
  AndroidAppCategory category;
  uint32 data_size_in_mb;
};

// Maps to AndroidDataDirectories in
// tools/metrics/histograms/metadata/arc/histograms.xml
[Extensible]
enum AndroidDataDirectory {
  [Default] kData = 0,
  kDataApp = 1,
  kDataData = 2,
  kDataMedia = 3,
  kDataMediaAndroid = 4,
  kDataUserDE = 5,
};

// Describes size for the specified Android data directory.
struct DataDirectorySize {
  AndroidDataDirectory directory;
  uint32 size_in_mb;
};

// This interface is implemented in ash by ArcMetricsService. It is called by
// ARC side.
// Deprecated method IDs: 8, 14, 15, 18, 25, 26, 27, 28, 29
// Next method ID: 43
interface MetricsHost {
  // Reports boot progress events from ARC instance.
  ReportBootProgress@0(array<BootProgressEvent> events,
                       [MinVersion=1] BootType boot_type);

  // Reports native bridge used by ARC instance.
  [MinVersion=3] ReportNativeBridge@1(NativeBridgeType native_bridge_type);

  // Reports api usage by ChromeOS Companion Library.
  [MinVersion=4] ReportCompanionLibApiUsage@2(CompanionLibApiId api_id);

  // Reports LMKD and OOM kills from ARC.
  [MinVersion=6] ReportAppKill@3(AppKill app_kill);

  // Reports migration event by ARC Metrics Service.
  [MinVersion=7] ReportArcCorePriAbiMigEvent@4(ArcCorePriAbiMigEvent event);

  // Reports number of failed ABI Migration attempts by ARC Metrics Service.
  [MinVersion=7] ReportArcCorePriAbiMigFailedTries@5(uint32 failed_attempts);

  // Reports ABI Migration system packages downgrade delay by ArcMetricsService.
  [MinVersion=7] ReportArcCorePriAbiMigDowngradeDelay@6(mojo_base.mojom.TimeDelta delay);

  // Reports boot time during ABI Migration by ARC Metrics Service.
  [MinVersion=7] ReportArcCorePriAbiMigBootTime@7(mojo_base.mojom.TimeDelta duration);

  // Reports ANR event.
  [MinVersion=9] ReportAnr@10(Anr anr);

  // Reports System Health upgrade processing time and if any packages were
  // deleted during the upgrade.
  [MinVersion=10] ReportArcSystemHealthUpgrade@11(
    mojo_base.mojom.TimeDelta duration,
    bool packages_deleted);

  // Reports api usage of Low-latency Stylus Library.
  [MinVersion=11] ReportLowLatencyStylusLibApiUsage@12
      (LowLatencyStylusLibApiId api_id);

  // Reports prediction target used in Low-latency Stylus Library.
  [MinVersion=11] ReportLowLatencyStylusLibPredictionTarget@13(
    LowLatencyStylusLibPredictionTarget prediction_target);

  // Reports the result of DNS query inside ARC.
  [MinVersion=13] ReportDnsQueryResult@16(
      ArcDnsQuery query,
      bool success);

  // Reports main account hash migration status.
  [MinVersion=14] ReportMainAccountHashMigrationMetrics@17(
      MainAccountHashMigrationStatus status);

  // Reports occurrence of one event in the ARC networking stack.
  [MinVersion=16] ReportArcNetworkEvent@19(ArcNetworkEvent event);

  // Reports occurrence of one error in the ARC networking stack.
  [MinVersion=16] ReportArcNetworkError@20(ArcNetworkError error);

  // Reports primary ABI of an app during app launch.
  [MinVersion=18] ReportAppPrimaryAbi@21(AppPrimaryAbi abi);

  // Reports data restore status and duration in milliseconds. This applies only
  // for ARC++ P container.
  [MinVersion=20] ReportDataRestore@22(DataRestoreStatus status,
                                       int64 duration_ms);

  // Reports raw memory pressure data, as the contents of /proc/pressure/memory.
  // This is invoked solely by ARCVM.
  [MinVersion=21] ReportMemoryPressure@23(array<uint8> psi_file_contents);

  // Reports that ArcAppLauncher is about to start GMS sign-in / CloudDPC
  // provisioning. This only happens during ARC provisioning.
  [MinVersion=22] ReportProvisioningPreSignIn@24();

  // Reports the duration of late timing events for Wayland.
  [MinVersion=26] ReportWaylandLateTimingEvent@30(
      WaylandTimingEvent event, mojo_base.mojom.TimeDelta duration);

  // Reports first WebView started event to collect WebView usage in ARC.
  [MinVersion=27] ReportWebViewProcessStarted@31();

  // Reports api usage of vpn exclude route.
  [MinVersion=29] ReportVpnServiceBuilderCompatApiUsage@32
      (VpnServiceBuilderCompatApiId api_id);

  // Reports count of newly opened QoS socket connections during a poll for all
  // socket connections in ARC. Use int for uint value for the same reason as
  // ReportQosSocketPercentage.
  [MinVersion=30] ReportNewQosSocketCount@33(int32 count);

  // Reports percentage of QoS socket connections during a poll for all socket
  // connections in ARC. The reason for using int for uint percentage field is:
  // Mojo uint values are byte cast when deserialized in Java, the practical
  // and safe solution is to pick the next signed type that includes the whole
  // unsigned range of possible values. Otherwise it forces writing error-prone
  // conversion code at the entry or exit of mojo data.
  // Range of perc arg will be [0, 100].
  [MinVersion=30] ReportQosSocketPercentage@34(int32 perc);

  // Reports select error codes on select KeyMint calls (on ARC T+ only).
  [MinVersion=31] ReportArcKeyMintError@35(ArcKeyMintError error);

  // Reports window drag resize latency.
  [MinVersion=32] ReportDragResizeLatency@36(
      array<mojo_base.mojom.TimeDelta> durations);

  // Reports the dialog type when Android throws an app error dialog.
  [MinVersion=33] ReportAppErrorDialogType@37(AppErrorDialogType type);

  // Reports the result of apk cache lookup for an app install.
  [MinVersion=34] ReportApkCacheHit@38(bool hit);

  // Reports combined application data sizes for Android app categories.
  // Maps to Arc.Data.AppCategory.{Target}.DataSize in
  // tools/metrics/histograms/metadata/arc/histograms.xml
  [MinVersion=35] ReportAppCategoryDataSizeList@39(
      array<AppCategoryDataSize> list);

  // Reports sizes for Android data directories.
  // Maps to Arc.Data.Dir.{Target}.Size in
  // tools/metrics/histograms/metadata/arc/histograms.xml
  [MinVersion=35] ReportDataDirectorySizeList@40(array<DataDirectorySize> list);

  // Reports error codes for select KeyMint calls (on ARC T+ only).
  [MinVersion=36] ReportArcKeyMintErrorForOperation@41(
      ArcKeyMintError error, ArcKeyMintLoggedOperation operation);

  // Reports certificate signing result during attestation (for ARC T+ only).
  [MinVersion=37] ReportCertificateSigningResult@42(
      CertificateSigningResult result);
};

// Deprecated method IDs: 0
// Next method ID: 3
interface MetricsInstance {
  // Establishes full-duplex communication with the host.
  [MinVersion=2] Init@1(pending_remote<MetricsHost> host_remote) => ();

  // Requests GFX metrics for the specified package. In case of error, null is
  // returned.
  [MinVersion=5] GetGfxMetrics@2(string packageName) => (GfxMetrics? metrics);
};