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/*
* Copyright 2014 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
// This file contains enums related to Chrome UMA histograms. See
// https://chromium.googlesource.com/chromium/src.git/+/HEAD/tools/metrics/histograms/README.md#requirements
// for requirements when adding or changing metrics.
#ifndef API_UMA_METRICS_H_
#define API_UMA_METRICS_H_
namespace webrtc {
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
enum PeerConnectionAddressFamilyCounter {
kPeerConnection_IPv4 = 0,
kPeerConnection_IPv6 = 1,
kBestConnections_IPv4 = 2,
kBestConnections_IPv6 = 3,
kPeerConnectionAddressFamilyCounter_Max
};
// This enum defines types for UMA samples, which will have a range.
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
enum PeerConnectionMetricsName {
kNetworkInterfaces_IPv4 = 0, // Number of IPv4 interfaces.
kNetworkInterfaces_IPv6 = 1, // Number of IPv6 interfaces.
kTimeToConnect = 2, // In milliseconds.
kLocalCandidates_IPv4 = 3, // Number of IPv4 local candidates.
kLocalCandidates_IPv6 = 4, // Number of IPv6 local candidates.
kPeerConnectionMetricsName_Max
};
// The IceCandidatePairType has the format of
// <local_candidate_type>_<remote_candidate_type>. It is recorded based on the
// type of candidate pair used when the PeerConnection first goes to a completed
// state. When BUNDLE is enabled, only the first transport gets recorded.
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
enum IceCandidatePairType {
// HostHost is deprecated. It was replaced with the set of types at the bottom
// to report private or public host IP address.
kIceCandidatePairHostHost = 0,
kIceCandidatePairHostSrflx = 1,
kIceCandidatePairHostRelay = 2,
kIceCandidatePairHostPrflx = 3,
kIceCandidatePairSrflxHost = 4,
kIceCandidatePairSrflxSrflx = 5,
kIceCandidatePairSrflxRelay = 6,
kIceCandidatePairSrflxPrflx = 7,
kIceCandidatePairRelayHost = 8,
kIceCandidatePairRelaySrflx = 9,
kIceCandidatePairRelayRelay = 10,
kIceCandidatePairRelayPrflx = 11,
kIceCandidatePairPrflxHost = 12,
kIceCandidatePairPrflxSrflx = 13,
kIceCandidatePairPrflxRelay = 14,
// The following 9 types tell whether local and remote hosts have hostname,
// private or public IP addresses.
kIceCandidatePairHostPrivateHostPrivate = 15,
kIceCandidatePairHostPrivateHostPublic = 16,
kIceCandidatePairHostPublicHostPrivate = 17,
kIceCandidatePairHostPublicHostPublic = 18,
kIceCandidatePairHostNameHostName = 19,
kIceCandidatePairHostNameHostPrivate = 20,
kIceCandidatePairHostNameHostPublic = 21,
kIceCandidatePairHostPrivateHostName = 22,
kIceCandidatePairHostPublicHostName = 23,
kIceCandidatePairMax
};
// The difference between PeerConnectionEnumCounter and
// PeerConnectionMetricsName is that the "EnumCounter" is only counting the
// occurrences of events, while "Name" has a value associated with it which is
// used to form a histogram.
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
enum KeyExchangeProtocolMedia {
kEnumCounterKeyProtocolMediaTypeDtlsAudio = 0,
kEnumCounterKeyProtocolMediaTypeDtlsVideo = 1,
kEnumCounterKeyProtocolMediaTypeDtlsData = 2,
kEnumCounterKeyProtocolMediaTypeSdesAudio = 3,
kEnumCounterKeyProtocolMediaTypeSdesVideo = 4,
kEnumCounterKeyProtocolMediaTypeSdesData = 5,
kEnumCounterKeyProtocolMediaTypeMax
};
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
enum SdpSemanticRequested {
kSdpSemanticRequestDefault = 0,
kSdpSemanticRequestPlanB = 1,
kSdpSemanticRequestUnifiedPlan = 2,
kSdpSemanticRequestMax
};
// Metric for counting the outcome of adding an ICE candidate
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
enum AddIceCandidateResult {
kAddIceCandidateSuccess = 0,
kAddIceCandidateFailClosed = 1,
kAddIceCandidateFailNoRemoteDescription = 2,
kAddIceCandidateFailNullCandidate = 3,
kAddIceCandidateFailNotValid = 4,
kAddIceCandidateFailNotReady = 5,
kAddIceCandidateFailInAddition = 6,
kAddIceCandidateFailNotUsable = 7,
kAddIceCandidateMax
};
// Metric for recording which api surface was used to enable simulcast.
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
enum SimulcastApiVersion {
kSimulcastApiVersionNone = 0,
kSimulcastApiVersionLegacy = 1,
kSimulcastApiVersionSpecCompliant = 2,
kSimulcastApiVersionMax
};
// Metrics for reporting usage of BUNDLE.
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
enum BundleUsage {
// There are no m-lines in the SDP, only a session description.
kBundleUsageEmpty = 0,
// Only a data channel is negotiated but BUNDLE is not negotiated.
kBundleUsageNoBundleDatachannelOnly = 1,
// BUNDLE is not negotiated and there is at most one m-line per media type,
kBundleUsageNoBundleSimple = 2,
// BUNDLE is not negotiated and there are multiple m-lines per media type,
kBundleUsageNoBundleComplex = 3,
// Only a data channel is negotiated and BUNDLE is negotiated.
kBundleUsageBundleDatachannelOnly = 4,
// BUNDLE is negotiated but there is at most one m-line per media type,
kBundleUsageBundleSimple = 5,
// BUNDLE is negotiated and there are multiple m-lines per media type,
kBundleUsageBundleComplex = 6,
// Legacy plan-b metrics.
kBundleUsageNoBundlePlanB = 7,
kBundleUsageBundlePlanB = 8,
kBundleUsageMax
};
// Metrics for reporting configured BUNDLE policy, mapping directly to
// https://w3c.github.io/webrtc-pc/#rtcbundlepolicy-enum
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
enum BundlePolicyUsage {
kBundlePolicyUsageBalanced = 0,
kBundlePolicyUsageMaxBundle = 1,
kBundlePolicyUsageMaxCompat = 2,
kBundlePolicyUsageMax
};
// Metrics for provisional answers as described in
// https://datatracker.ietf.org/doc/html/rfc8829#section-4.1.10.1
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
enum ProvisionalAnswerUsage {
kProvisionalAnswerNotUsed = 0,
kProvisionalAnswerLocal = 1,
kProvisionalAnswerRemote = 2,
kProvisionalAnswerMax
};
// Metrics for RTCRtpMuxPolicy. The only defined value is
// https://w3c.github.io/webrtc-pc/#rtcrtcpmuxpolicy-enum
// "require" but there is a legacy option "negotiate" which
// was removed from the spec.
enum RtcpMuxPolicyUsage {
kRtcpMuxPolicyUsageRequire = 0,
kRtcpMuxPolicyUsageNegotiate = 1,
kRtcpMuxPolicyUsageMax
};
// When adding new metrics please consider using the style described in
// https://chromium.googlesource.com/chromium/src.git/+/HEAD/tools/metrics/histograms/README.md#usage
// instead of the legacy enums used above.
} // namespace webrtc
#endif // API_UMA_METRICS_H_
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