talk/app/webrtc/umametrics.h

/*
 * libjingle
 * Copyright 2014, Google Inc.
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// This file contains enums related to IPv4/IPv6 metrics.

#ifndef TALK_APP_WEBRTC_UMAMETRICS_H_
#define TALK_APP_WEBRTC_UMAMETRICS_H_

namespace webrtc {

// Currently this contains information related to WebRTC network/transport
// information.

// The difference between PeerConnectionMetricsCounter and
// PeerConnectionMetricsName is that the "Counter" is only counting the
// occurrences of events, while "Name" has a value associated with it which is
// used to form a histogram.

// This enum is backed by Chromium's histograms.xml,
// chromium/src/tools/metrics/histograms/histograms.xml
// Existing values cannot be re-ordered and new enums must be added
// before kBoundary.
enum PeerConnectionMetricsCounter {
  kPeerConnection_IPv4,
  kPeerConnection_IPv6,
  kBestConnections_IPv4,
  kBestConnections_IPv6,
  kPeerConnectionMetricsCounter_Max,
};

// TODO(guoweis): Keep previous name here until all references are renamed.
#define kBoundary kPeerConnectionMetricsCounter_Max

// TODO(guoweis): Keep previous name here until all references are renamed.
typedef PeerConnectionMetricsCounter PeerConnectionUMAMetricsCounter;

// This enum defines types for UMA samples, which will have a range.
enum PeerConnectionMetricsName {
  kNetworkInterfaces_IPv4,  // Number of IPv4 interfaces.
  kNetworkInterfaces_IPv6,  // Number of IPv6 interfaces.
  kTimeToConnect,           // In milliseconds.
  kLocalCandidates_IPv4,    // Number of IPv4 local candidates.
  kLocalCandidates_IPv6,    // Number of IPv6 local candidates.
  kPeerConnectionMetricsName_Max
};

// TODO(guoweis): Keep previous name here until all references are renamed.
typedef PeerConnectionMetricsName PeerConnectionUMAMetricsName;

}  // namespace webrtc

#endif  // TALK_APP_WEBRTC_UMA6METRICS_H_