<!--
Copyright 2023 The Chromium Authors
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->
<!--
This file describes the enumerations referenced by entries in histograms.xml for
this directory. Some enums may instead be listed in the central enums.xml file
at src/tools/metrics/histograms/enums.xml when multiple files use them.
For best practices on writing enumerations descriptions, see
https://chromium.googlesource.com/chromium/src.git/+/HEAD/tools/metrics/histograms/README.md#Enum-Histograms
Please follow the instructions in the OWNERS file in this directory to find a
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-->
<histogram-configuration>
<!-- Enum types -->
<enums>
<enum name="AddIceCandidateResult">
<int value="0" label="Success"/>
<int value="1" label="Closed"/>
<int value="2" label="No remote description"/>
<int value="3" label="Null candidate"/>
<int value="4" label="Candidate not valid"/>
<int value="5" label="PeerConnection not ready"/>
<int value="6" label="Failed in addition"/>
<int value="7" label="Failed - not usable"/>
</enum>
<enum name="ClockdriftLevel">
<int value="0" label="None"/>
<int value="1" label="Probable"/>
<int value="2" label="Verified"/>
</enum>
<enum name="DataChannelAggregateType">
<int value="0" label="Unreliable Unordered."/>
<int value="1" label="Unreliable Ordered"/>
<int value="2" label="Reliable Unordered."/>
<int value="3" label="Reliable Ordered"/>
</enum>
<enum name="DataChannelCounters">
<int value="0" label="Channel created."/>
<int value="1" label="Channel reached Open state."/>
<int value="2" label="Channel is reliable."/>
<int value="3" label="Channel is ordered."/>
<int value="4" label="Channel is negotiated."/>
</enum>
<enum name="DataChannelSctpErrorCode">
<int value="0" label="Unspecified"/>
<int value="1" label="InvalidStreamIdentifier"/>
<int value="2" label="MissingMandatoryParameter"/>
<int value="3" label="StaleCookieError"/>
<int value="4" label="OutOfResource"/>
<int value="5" label="UnresolvableAddress"/>
<int value="6" label="UnspkUnrecognizedChunkTypeecified"/>
<int value="7" label="InvalidMandatoryParameter"/>
<int value="8" label="UnrecognizedParameters"/>
<int value="9" label="NoUserData"/>
<int value="10" label="CookieReceivedWhileShuttingDown"/>
<int value="11" label="RestartWithNewAddresses"/>
<int value="12" label="UserInitiatedAbort"/>
<int value="13" label="ProtocolViolation"/>
<int value="14" label="Other"/>
</enum>
<enum name="DesktopCaptureCounters">
<int value="0" label="Screen capturer created."/>
<int value="1" label="Window capturer created."/>
<int value="2" label="First screen capture call succeeded."/>
<int value="3" label="First screen capture call failed."/>
<int value="4" label="First window capture call succeeded."/>
<int value="5" label="First window capture call failed."/>
<int value="6" label="Tab video capturer created."/>
<int value="7" label="Tab audio capturer created."/>
<int value="8" label="System loopback audio capturer created."/>
<int value="9" label="Screen capturer created together with audio capturer."/>
<int value="10" label="Screen capturer created without audio capturer."/>
<int value="11" label="Tab capturer created together with audio capturer."/>
<int value="12" label="Tab capturer created without audio capturer."/>
<int value="13" label="Screen capturer permanent error."/>
<int value="14" label="Window capturer permanent error."/>
<int value="15" label="Desktop capture stopped via screen lock."/>
<int value="16" label="Desktop capture stopped via notification bar."/>
<int value="17" label="Desktop capture changed source via notification bar."/>
</enum>
<enum name="DtlsHandshakeError">
<int value="0" label="Incompatible cipher suite"/>
<int value="1" label="Unknown error"/>
</enum>
<enum name="IceCandidatePairTypes">
<int value="0" label="host_host"/>
<int value="1" label="host_srflx"/>
<int value="2" label="host_relay"/>
<int value="3" label="host_prflx"/>
<int value="4" label="srflx_host"/>
<int value="5" label="srflx_srflx"/>
<int value="6" label="srflx_relay"/>
<int value="7" label="srflx_prflx"/>
<int value="8" label="relay_host"/>
<int value="9" label="relay_srflx"/>
<int value="10" label="relay_relay"/>
<int value="11" label="relay_prflx"/>
<int value="12" label="prflx_host"/>
<int value="13" label="prflx_srflx"/>
<int value="14" label="prflx_relay"/>
<int value="15" label="host(private)_host(private)"/>
<int value="16" label="host(private)_host(public)"/>
<int value="17" label="host(public)_host(private)"/>
<int value="18" label="host(public)_host(public)"/>
<int value="19" label="host(named)_host(named)"/>
<int value="20" label="host(named)_host(private)"/>
<int value="21" label="host(named)_host(public)"/>
<int value="22" label="host(private)_host(named)"/>
<int value="23" label="host(public)_host(named)"/>
</enum>
<enum name="IceConnectionStates">
<int value="0" label="IceConnectionNew"/>
<int value="1" label="IceConnectionChecking"/>
<int value="2" label="IceConnectionConnected"/>
<int value="3" label="IceconnectionCompleted"/>
<int value="4" label="IceconnectionFailed"/>
<int value="5" label="IceconnectionDisconnected"/>
<int value="6" label="IceconnectionClosed"/>
</enum>
<enum name="PeerConnectionBundlePolicy">
<int value="0" label="balanced"/>
<int value="1" label="max-bundle"/>
<int value="2" label="max-compat"/>
</enum>
<enum name="PeerConnectionBundleUsage">
<int value="0" label="There are no m-lines"/>
<int value="1" label="No BUNDLE, datachannel-only"/>
<int value="2" label="No BUNDLE, at most one audio/video m-line"/>
<int value="3" label="No BUNDLE, more than one audio/video m-line"/>
<int value="4" label="Using BUNDLE, datachannel-only"/>
<int value="5" label="Using BUNDLE, at most one audio/video m-line"/>
<int value="6" label="Using BUNDLE, more than one audio/video m-line"/>
<int value="7" label="No BUNDLE, legacy plan-b"/>
<int value="8" label="Using BUNDLE, legacy plan-b"/>
</enum>
<enum name="PeerConnectionCounters">
<int value="0" label="PeerConnection enabled with IPv4."/>
<int value="1" label="PeerConnection enabled with Ipv6."/>
<int value="2" label="IPv4 BestConnection."/>
<int value="3" label="IPv6 BestConnection."/>
</enum>
<enum name="PeerConnectionProvisionalAnswer">
<int value="0" label="Not used"/>
<int value="1" label="Local"/>
<int value="2" label="Remote"/>
</enum>
<enum name="PeerConnectionRtcpMux">
<int value="0" label="Disabled"/>
<int value="1" label="Enabled"/>
<int value="2" label="No media"/>
</enum>
<enum name="RTCAPIName">
<int value="0" label="GetUserMedia"/>
<int value="1" label="PeerConnection00"/>
<int value="2" label="DeprecatedPeerConnection"/>
<int value="3" label="RTCPeerConnection"/>
<int value="4" label="GetMediaDevices"/>
<int value="5" label="MediaStreamRecorder"/>
<int value="6" label="CanvasCaptureStream"/>
<int value="7" label="VideoCaptureStream"/>
<int value="8" label="GetDisplayMedia"/>
<int value="9" label="OBSOLETE_GetCurrentBrowsingContextMedia"/>
<int value="10" label="OBSOLETE_GetDisplayMediaSet"/>
<int value="11" label="GetAllScreensMedia"/>
</enum>
<enum name="SocketErrorCode">
<int value="0" label="ERR_MSG_TOO_BIG"/>
<int value="1" label="ERR_ADDRESS_UNREACHABLE"/>
<int value="2" label="ERR_ADDRESS_INVALID"/>
<int value="3" label="ERR_INTERNET_DISCONNECTED"/>
<int value="4" label="ERR_TIMED_OUT"/>
<int value="5" label="ERR_INSUFFICIENT_RESOURCES"/>
<int value="6" label="ERR_OUT_OF_MEMORY"/>
<int value="7" label="ERR_OTHER"/>
</enum>
<enum name="SrtpErrorCode">
<summary>
Error codes reported by libsrtp (defined in
third_party/libsrtp/include/srtp.h).
</summary>
<int value="0" label="Nothing to report"/>
<int value="1" label="Unspecified failure"/>
<int value="2" label="Unsupported parameter"/>
<int value="3" label="Couldn't allocate memory"/>
<int value="4" label="Couldn't deallocate properly"/>
<int value="5" label="Couldn't initialize"/>
<int value="6" label="Can't process as much data as requested"/>
<int value="7" label="Authentication failure"/>
<int value="8" label="Cipher failure"/>
<int value="9" label="Replay check failed (bad index)"/>
<int value="10" label="Replay check failed (index too old)"/>
<int value="11" label="Algorithm failed test routine"/>
<int value="12" label="Unsupported operation"/>
<int value="13" label="No appropriate context found"/>
<int value="14" label="Unable to perform desired validation"/>
<int value="15" label="Can't use key any more"/>
<int value="16" label="Error in use of socket"/>
<int value="17" label="Error in use POSIX signals"/>
<int value="18" label="Nonce check failed"/>
<int value="19" label="Couldn't read data"/>
<int value="20" label="Couldn't write data"/>
<int value="21" label="Error parsing data"/>
<int value="22" label="Error encoding data"/>
<int value="23" label="Error while using semaphores"/>
<int value="24" label="Error while using pfkey"/>
<int value="25" label="Error MKI present in packet is invalid"/>
<int value="26" label="Packet index is too old to consider"/>
<int value="27" label="Packet index advanced, reset needed"/>
</enum>
<enum name="ThermalState">
<int value="0" label="0-Nominal"/>
<int value="1" label="1-Fair"/>
<int value="2" label="2-Serious"/>
<int value="3" label="3-Critical"/>
</enum>
<enum name="WebRTCAecDelayEstimateReliability">
<int value="0" label="None."/>
<int value="1" label="Poor."/>
<int value="2" label="Medium."/>
<int value="3" label="Good."/>
<int value="4" label="Excellent."/>
</enum>
<enum name="WebRtcAudioCodecs">
<int value="0" label="Unknown"/>
<int value="1" label="Opus"/>
<int value="2" label="iSAC"/>
<int value="3" label="pcmA"/>
<int value="4" label="pcmU"/>
<int value="5" label="g722"/>
<int value="6" label="iLBC"/>
</enum>
<enum name="WebRtcBweType">
<int value="0" label="Receiver, no extension"/>
<int value="1" label="Receiver, transmission offset"/>
<int value="2" label="Receiver, absolute send time"/>
<int value="3" label="Sender, transport sequence number"/>
</enum>
<enum name="WebRtcDesktopCapturerImpl">
<int value="0" label="Unknown"/>
<int value="1" label="WgcCapturerWin"/>
<int value="2" label="ScreenCapturerWinMagnifier"/>
<int value="3" label="WindowCapturerWinGdi"/>
<int value="4" label="ScreenCapturerWinGdi"/>
<int value="5" label="ScreenCapturerWinDirectx"/>
</enum>
<enum name="WebRtcDirectXCapturerResult">
<int value="0" label="Success"/>
<int value="1" label="UnsupportedSession"/>
<int value="2" label="FramePrepareFailed"/>
<int value="3" label="InitializationFailed"/>
<int value="4" label="DuplicationFailed"/>
<int value="5" label="InvalidMonitorId"/>
</enum>
<enum name="WebRTCEventFrequency">
<int value="0" label="None."/>
<int value="1" label="Few."/>
<int value="2" label="Several."/>
<int value="3" label="Many."/>
<int value="4" label="Constant."/>
</enum>
<enum name="WebRtcEventLoggingApiEnum">
<int value="0" label="kSuccess"/>
<int value="1" label="kDeadRph"/>
<int value="2" label="kFeatureDisabled"/>
<int value="3" label="kIncognito"/>
<int value="4" label="kInvalidArguments"/>
<int value="5" label="kIllegalSessionId"/>
<int value="6" label="kDisabledBrowserContext"/>
<int value="7" label="kUnknownOrInvalidPeerConnection"/>
<int value="8" label="kAlreadyLogging"/>
<int value="9" label="kNoAdditionalLogsAllowed"/>
<int value="10" label="kLogPathNotAvailable"/>
<int value="11" label="kHistoryPathNotAvailable"/>
<int value="12" label="kFileCreationError"/>
</enum>
<enum name="WebRtcEventLoggingUploadEnum">
<int value="0" label="kSuccess"/>
<int value="1" label="kLogFileWriteError"/>
<int value="2" label="kActiveLogCancelledDueToCacheClear"/>
<int value="3" label="kPendingLogDeletedDueToCacheClear"/>
<int value="4" label="kHistoryFileCreationError"/>
<int value="5" label="kHistoryFileWriteError"/>
<int value="6" label="kLogFileReadError"/>
<int value="7" label="kLogFileNameError"/>
<int value="8" label="kUploadCancelled"/>
<int value="9" label="kUploadFailure"/>
<int value="10" label="kIncompletePastUpload"/>
<int value="11" label="kExpiredLogFileAtChromeStart"/>
<int value="12" label="kExpiredLogFileDuringSession"/>
</enum>
<enum name="WebRtcH264DecoderImplEvent">
<int value="0" label="Init"/>
<int value="1" label="Error"/>
</enum>
<enum name="WebRtcH264EncoderImplEvent">
<int value="0" label="Init"/>
<int value="1" label="Error"/>
</enum>
<enum name="WebRtcLoggingUploadFailureReason">
<summary>
Failure reason can be either a response code (except 200 OK) for the upload
HTTP request, or another reason prior to uploading (values less than 100).
HTTP response codes copied from enum "HttpResponseCode".
</summary>
<int value="0" label="Invalid state"/>
<int value="1" label="Stored log not found"/>
<int value="2" label="Network error"/>
<int value="100" label="100: Continue"/>
<int value="101" label="101: Switching Protocols"/>
<int value="102" label="102: Processing"/>
<int value="103" label="103: Early Hints"/>
<int value="201" label="201: Created"/>
<int value="202" label="202: Accepted"/>
<int value="203" label="203: Non-Authoritative Information"/>
<int value="204" label="204: No Content"/>
<int value="205" label="205: Reset Content"/>
<int value="206" label="206: Partial Content"/>
<int value="300" label="300: Multiple Choices"/>
<int value="301" label="301: Moved Permanently"/>
<int value="302" label="302: Found"/>
<int value="303" label="303: See Other"/>
<int value="304" label="304: Not Modified"/>
<int value="305" label="305: Use Proxy"/>
<int value="306" label="306: (Unused)"/>
<int value="307" label="307: Temporary Redirect"/>
<int value="400" label="400: Bad Request"/>
<int value="401" label="401: Unauthorized"/>
<int value="402" label="402: Payment Required"/>
<int value="403" label="403: Forbidden"/>
<int value="404" label="404: Not Found"/>
<int value="405" label="405: Method Not Allowed"/>
<int value="406" label="406: Not Acceptable"/>
<int value="407" label="407: Proxy Authentication Required"/>
<int value="408" label="408: Request Timeout"/>
<int value="409" label="409: Conflict"/>
<int value="410" label="410: Gone"/>
<int value="411" label="411: Length Required"/>
<int value="412" label="412: Precondition Failed"/>
<int value="413" label="413: Request Entity Too Large"/>
<int value="414" label="414: Request-URI Too Long"/>
<int value="415" label="415: Unsupported Media Type"/>
<int value="416" label="416: Requested Range Not Satisfiable"/>
<int value="417" label="417: Expectation Failed"/>
<int value="500" label="500: Internal Server Error"/>
<int value="501" label="501: Not Implemented"/>
<int value="502" label="502: Bad Gateway"/>
<int value="503" label="503: Service Unavailable"/>
<int value="504" label="504: Gateway Timeout"/>
<int value="505" label="505: HTTP Version Not Supported"/>
</enum>
<enum name="WebRtcLoggingWebAppIdHash">
<int value="-100222544" label="Hangouts"/>
<int value="0" label="Undefined"/>
<int value="2102772693" label="Duo"/>
</enum>
<enum name="WebRtcPeerConnectionUsagePattern">
<summary>
These values are integers representing a set of flags indicating how the
PeerConnection is used. For flag values, see header file
webrtc/pc/peerconnection.h, enum class UsageEvent. Only interesting values
(exceeding 1% usage at last probe) are called out with labels.
</summary>
<int value="0" label="Unused and unclosed"/>
<int value="1090" label="No media, Stun, SRD, priv IPv4 local"/>
<int value="2212" label="Data, remote priv IPv4"/>
<int value="3236" label="Data, priv IPv4"/>
<int value="3238" label="Data, Stun, priv IPv4"/>
<int value="9380" label="Data, priv IPv4, remote MDNS"/>
<int value="9382" label="Data, Stun, IPv4, remote MDNS"/>
<int value="36004" label="Data, remote MDNS, local IPv6"/>
<int value="36006" label="Data, Stun, priv IPv4 local, IPv6 remote"/>
<int value="156898" label="No media, Stun, SLD/SRD, local IPv6, remote MDNS"/>
<int value="157154" label="Connected, Data, Stun, local IPv6, remote MDNS"/>
<int value="157158"
label="Connected, Data, Stun, local IPv6, remote MDNS (duplicate)"/>
<int value="157414" label="Data, Stun, SLD/SRD, local IPv6, remote MDNS"/>
<int value="157670"
label="Connected, Data, Stun, local IPv6, remote MDNS (triplicate)"/>
</enum>
<enum name="WebRtcScalabilityMode">
<int value="0" label="Invalid"/>
<int value="1" label="L1T1"/>
<int value="2" label="L1T2"/>
<int value="3" label="L1T3"/>
<int value="4" label="L2T1"/>
<int value="5" label="L2T1h"/>
<int value="6" label="L2T1_KEY"/>
<int value="7" label="L2T2"/>
<int value="8" label="L2T2h"/>
<int value="9" label="L2T2_KEY"/>
<int value="10" label="L2T2_KEY_SHIFT"/>
<int value="11" label="L2T3"/>
<int value="12" label="L2T3h"/>
<int value="13" label="L2T3_KEY"/>
<int value="14" label="L3T1"/>
<int value="15" label="L3T1h"/>
<int value="16" label="L3T1_KEY"/>
<int value="17" label="L3T2"/>
<int value="18" label="L3T2h"/>
<int value="19" label="L3T2_KEY"/>
<int value="20" label="L3T3"/>
<int value="21" label="L3T3h"/>
<int value="22" label="L3T3_KEY"/>
<int value="23" label="S2T1"/>
<int value="24" label="S2T1h"/>
<int value="25" label="S2T2"/>
<int value="26" label="S2T2h"/>
<int value="27" label="S2T3"/>
<int value="28" label="S2T3h"/>
<int value="29" label="S3T1"/>
<int value="30" label="S3T1h"/>
<int value="31" label="S3T2"/>
<int value="32" label="S3T2h"/>
<int value="33" label="S3T3"/>
<int value="34" label="S3T3h"/>
</enum>
<enum name="WebRtcStunIntegrityOutcome">
<summary>
Records the outcome of a STUN integrity check - succeeds, fails, or "no
integrity attribute present".
</summary>
<int value="1" label="No integrity attribute"/>
<int value="2" label="OK"/>
<int value="3" label="Bad"/>
</enum>
<enum name="WebRtcTextLoggingStartError">
<int value="0" label="RendererClosing"/>
<int value="1" label="LogAlreadyOpen"/>
<int value="2" label="ApplyForStartFailed"/>
<int value="3" label="Cancelled"/>
<int value="4" label="RendererClosingInStartDone"/>
</enum>
<enum name="WebRtcVideoCodecs">
<int value="0" label="Unknown"/>
<int value="1" label="VP8"/>
<int value="2" label="VP9"/>
<int value="3" label="H264"/>
</enum>
<enum name="WebRtcWgcCapturerResult">
<int value="0" label="Success"/>
<int value="1" label="NoDirect3dDevice"/>
<int value="2" label="NoSourceSelected"/>
<int value="3" label="ItemCreationFailure"/>
<int value="4" label="SessionStartFailure"/>
<int value="5" label="GetFrameFailure"/>
<int value="6" label="FrameDropped"/>
<int value="7" label="CreateDispatcherQueueFailure"/>
</enum>
<enum name="WebRtcWgcCaptureSessionGetFrameResult">
<int value="0" label="Success"/>
<int value="1" label="ItemClosed"/>
<int value="2" label="TryGetNextFrameFailed"/>
<int value="3" label="FrameDropped"/>
<int value="4" label="GetSurfaceFailed"/>
<int value="5" label="DxgiInterfaceAccessFailed"/>
<int value="6" label="Texture2dCastFailed"/>
<int value="7" label="CreateMappedTextureFailed"/>
<int value="8" label="MapFrameFailed"/>
<int value="9" label="GetContentSizeFailed"/>
<int value="10" label="ResizeMappedTextureFailed"/>
<int value="11" label="RecreateFramePoolFailed"/>
<int value="12" label="FramePoolEmpty"/>
</enum>
<enum name="WebRtcWgcCaptureSessionStartResult">
<int value="0" label="Success"/>
<int value="1" label="SourceClosed"/>
<int value="2" label="AddClosedFailed"/>
<int value="3" label="DxgiDeviceCastFailed"/>
<int value="4" label="D3dDelayLoadFailed"/>
<int value="5" label="D3dDeviceCreationFailed"/>
<int value="6" label="FramePoolActivationFailed"/>
<int value="7" label="FramePoolCastFailed"/>
<int value="8" label="GetItemSizeFailed"/>
<int value="9" label="CreateFreeThreadedFailed"/>
<int value="10" label="CreateCaptureSessionFailed"/>
<int value="11" label="StartCaptureFailed"/>
</enum>
</enums>
</histogram-configuration>
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