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      1 /*
      2  * libjingle
      3  * Copyright 2012, Google Inc.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are met:
      7  *
      8  *  1. Redistributions of source code must retain the above copyright notice,
      9  *     this list of conditions and the following disclaimer.
     10  *  2. Redistributions in binary form must reproduce the above copyright notice,
     11  *     this list of conditions and the following disclaimer in the documentation
     12  *     and/or other materials provided with the distribution.
     13  *  3. The name of the author may not be used to endorse or promote products
     14  *     derived from this software without specific prior written permission.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
     17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
     19  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 // This file contains structures used for retrieving statistics from an ongoing
     29 // libjingle session.
     30 
     31 #ifndef TALK_APP_WEBRTC_STATSTYPES_H_
     32 #define TALK_APP_WEBRTC_STATSTYPES_H_
     33 
     34 #include <string>
     35 #include <vector>
     36 
     37 #include "talk/base/basictypes.h"
     38 #include "talk/base/stringencode.h"
     39 
     40 namespace webrtc {
     41 
     42 class StatsReport {
     43  public:
     44   StatsReport() : timestamp(0) { }
     45 
     46   std::string id;  // See below for contents.
     47   std::string type;  // See below for contents.
     48 
     49   struct Value {
     50     std::string name;
     51     std::string value;
     52   };
     53 
     54   void AddValue(const std::string& name, const std::string& value);
     55   void AddValue(const std::string& name, int64 value);
     56   template <typename T>
     57   void AddValue(const std::string& name, const std::vector<T>& value);
     58   void AddBoolean(const std::string& name, bool value);
     59 
     60   void ReplaceValue(const std::string& name, const std::string& value);
     61 
     62   double timestamp;  // Time since 1970-01-01T00:00:00Z in milliseconds.
     63   typedef std::vector<Value> Values;
     64   Values values;
     65 
     66   // StatsReport types.
     67   // A StatsReport of |type| = "googSession" contains overall information
     68   // about the thing libjingle calls a session (which may contain one
     69   // or more RTP sessions.
     70   static const char kStatsReportTypeSession[];
     71 
     72   // A StatsReport of |type| = "googTransport" contains information
     73   // about a libjingle "transport".
     74   static const char kStatsReportTypeTransport[];
     75 
     76   // A StatsReport of |type| = "googComponent" contains information
     77   // about a libjingle "channel" (typically, RTP or RTCP for a transport).
     78   // This is intended to be the same thing as an ICE "Component".
     79   static const char kStatsReportTypeComponent[];
     80 
     81   // A StatsReport of |type| = "googCandidatePair" contains information
     82   // about a libjingle "connection" - a single source/destination port pair.
     83   // This is intended to be the same thing as an ICE "candidate pair".
     84   static const char kStatsReportTypeCandidatePair[];
     85 
     86   // StatsReport of |type| = "VideoBWE" is statistics for video Bandwidth
     87   // Estimation, which is global per-session.  The |id| field is "bweforvideo"
     88   // (will probably change in the future).
     89   static const char kStatsReportTypeBwe[];
     90 
     91   // StatsReport of |type| = "ssrc" is statistics for a specific rtp stream.
     92   // The |id| field is the SSRC in decimal form of the rtp stream.
     93   static const char kStatsReportTypeSsrc[];
     94 
     95   // StatsReport of |type| = "remoteSsrc" is statistics for a specific
     96   // rtp stream, generated by the remote end of the connection.
     97   static const char kStatsReportTypeRemoteSsrc[];
     98 
     99   // StatsReport of |type| = "googTrack" is statistics for a specific media
    100   // track. The |id| field is the track id.
    101   static const char kStatsReportTypeTrack[];
    102 
    103   // StatsReport of |type| = "iceCandidate" is statistics on a specific
    104   // ICE Candidate. It links to its transport.
    105   static const char kStatsReportTypeIceCandidate[];
    106 
    107   // The id of StatsReport of type VideoBWE.
    108   static const char kStatsReportVideoBweId[];
    109 
    110   // A StatsReport of |type| = "googCertificate" contains an SSL certificate
    111   // transmitted by one of the endpoints of this connection.  The |id| is
    112   // controlled by the fingerprint, and is used to identify the certificate in
    113   // the Channel stats (as "googLocalCertificateId" or
    114   // "googRemoteCertificateId") and in any child certificates (as
    115   // "googIssuerId").
    116   static const char kStatsReportTypeCertificate[];
    117 
    118   // StatsValue names
    119   static const char kStatsValueNameAudioOutputLevel[];
    120   static const char kStatsValueNameAudioInputLevel[];
    121   static const char kStatsValueNameBytesSent[];
    122   static const char kStatsValueNamePacketsSent[];
    123   static const char kStatsValueNameBytesReceived[];
    124   static const char kStatsValueNamePacketsReceived[];
    125   static const char kStatsValueNamePacketsLost[];
    126   static const char kStatsValueNameTransportId[];
    127   static const char kStatsValueNameLocalAddress[];
    128   static const char kStatsValueNameRemoteAddress[];
    129   static const char kStatsValueNameWritable[];
    130   static const char kStatsValueNameReadable[];
    131   static const char kStatsValueNameActiveConnection[];
    132 
    133 
    134   // Internal StatsValue names
    135   static const char kStatsValueNameAvgEncodeMs[];
    136   static const char kStatsValueNameEncodeRelStdDev[];
    137   static const char kStatsValueNameEncodeUsagePercent[];
    138   static const char kStatsValueNameCaptureJitterMs[];
    139   static const char kStatsValueNameCaptureQueueDelayMsPerS[];
    140   static const char kStatsValueNameCodecName[];
    141   static const char kStatsValueNameBandwidthLimitedResolution[];
    142   static const char kStatsValueNameCpuLimitedResolution[];
    143   static const char kStatsValueNameViewLimitedResolution[];
    144   static const char kStatsValueNameEchoCancellationQualityMin[];
    145   static const char kStatsValueNameEchoDelayMedian[];
    146   static const char kStatsValueNameEchoDelayStdDev[];
    147   static const char kStatsValueNameEchoReturnLoss[];
    148   static const char kStatsValueNameEchoReturnLossEnhancement[];
    149   static const char kStatsValueNameExpandRate[];
    150   static const char kStatsValueNameFirsReceived[];
    151   static const char kStatsValueNameFirsSent[];
    152   static const char kStatsValueNameFrameHeightInput[];
    153   static const char kStatsValueNameFrameHeightReceived[];
    154   static const char kStatsValueNameFrameHeightSent[];
    155   static const char kStatsValueNameFrameRateReceived[];
    156   static const char kStatsValueNameFrameRateDecoded[];
    157   static const char kStatsValueNameFrameRateOutput[];
    158   static const char kStatsValueNameDecodeMs[];
    159   static const char kStatsValueNameMaxDecodeMs[];
    160   static const char kStatsValueNameCurrentDelayMs[];
    161   static const char kStatsValueNameTargetDelayMs[];
    162   static const char kStatsValueNameJitterBufferMs[];
    163   static const char kStatsValueNameMinPlayoutDelayMs[];
    164   static const char kStatsValueNameRenderDelayMs[];
    165   static const char kStatsValueNameCaptureStartNtpTimeMs[];
    166   static const char kStatsValueNameFrameRateInput[];
    167   static const char kStatsValueNameFrameRateSent[];
    168   static const char kStatsValueNameFrameWidthInput[];
    169   static const char kStatsValueNameFrameWidthReceived[];
    170   static const char kStatsValueNameFrameWidthSent[];
    171   static const char kStatsValueNameJitterReceived[];
    172   static const char kStatsValueNameNacksReceived[];
    173   static const char kStatsValueNameNacksSent[];
    174   static const char kStatsValueNamePlisReceived[];
    175   static const char kStatsValueNamePlisSent[];
    176   static const char kStatsValueNamePreferredJitterBufferMs[];
    177   static const char kStatsValueNameRtt[];
    178   static const char kStatsValueNameAvailableSendBandwidth[];
    179   static const char kStatsValueNameAvailableReceiveBandwidth[];
    180   static const char kStatsValueNameTargetEncBitrate[];
    181   static const char kStatsValueNameActualEncBitrate[];
    182   static const char kStatsValueNameRetransmitBitrate[];
    183   static const char kStatsValueNameTransmitBitrate[];
    184   static const char kStatsValueNameBucketDelay[];
    185   static const char kStatsValueNameInitiator[];
    186   static const char kStatsValueNameTransportType[];
    187   static const char kStatsValueNameContentName[];
    188   static const char kStatsValueNameComponent[];
    189   static const char kStatsValueNameChannelId[];
    190   static const char kStatsValueNameTrackId[];
    191   static const char kStatsValueNameSsrc[];
    192   static const char kStatsValueNameTypingNoiseState[];
    193   static const char kStatsValueNameDer[];
    194   static const char kStatsValueNameFingerprint[];
    195   static const char kStatsValueNameFingerprintAlgorithm[];
    196   static const char kStatsValueNameIssuerId[];
    197   static const char kStatsValueNameLocalCertificateId[];
    198   static const char kStatsValueNameRemoteCertificateId[];
    199   static const char kStatsValueNameLocalCandidateType[];
    200   static const char kStatsValueNameRemoteCandidateType[];
    201   static const char kStatsValueNameRecvPacketGroupArrivalTimeDebug[];
    202   static const char kStatsValueNameRecvPacketGroupPropagationDeltaDebug[];
    203   static const char kStatsValueNameRecvPacketGroupPropagationDeltaSumDebug[];
    204   static const char kStatsValueNameDecodingCTSG[];
    205   static const char kStatsValueNameDecodingCTN[];
    206   static const char kStatsValueNameDecodingNormal[];
    207   static const char kStatsValueNameDecodingPLC[];
    208   static const char kStatsValueNameDecodingCNG[];
    209   static const char kStatsValueNameDecodingPLCCNG[];
    210 };
    211 
    212 typedef std::vector<StatsReport> StatsReports;
    213 
    214 }  // namespace webrtc
    215 
    216 #endif  // TALK_APP_WEBRTC_STATSTYPES_H_
    217