inet.af/netstack@v0.0.0-20220214151720-7585b01ddccf/tcpip/network/ipv4/stats.go (about)

     1  // Copyright 2020 The gVisor Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package ipv4
    16  
    17  import (
    18  	"inet.af/netstack/tcpip"
    19  	"inet.af/netstack/tcpip/network/internal/ip"
    20  	"inet.af/netstack/tcpip/stack"
    21  )
    22  
    23  var _ stack.IPNetworkEndpointStats = (*Stats)(nil)
    24  
    25  // Stats holds statistics related to the IPv4 protocol family.
    26  type Stats struct {
    27  	// IP holds IPv4 statistics.
    28  	IP tcpip.IPStats
    29  
    30  	// IGMP holds IGMP statistics.
    31  	IGMP tcpip.IGMPStats
    32  
    33  	// ICMP holds ICMPv4 statistics.
    34  	ICMP tcpip.ICMPv4Stats
    35  }
    36  
    37  // IsNetworkEndpointStats implements stack.NetworkEndpointStats.
    38  func (*Stats) IsNetworkEndpointStats() {}
    39  
    40  // IPStats implements stack.IPNetworkEndointStats
    41  func (s *Stats) IPStats() *tcpip.IPStats {
    42  	return &s.IP
    43  }
    44  
    45  type sharedStats struct {
    46  	localStats Stats
    47  	ip         ip.MultiCounterIPStats
    48  	icmp       multiCounterICMPv4Stats
    49  	igmp       multiCounterIGMPStats
    50  }
    51  
    52  // LINT.IfChange(multiCounterICMPv4PacketStats)
    53  
    54  type multiCounterICMPv4PacketStats struct {
    55  	echoRequest    tcpip.MultiCounterStat
    56  	echoReply      tcpip.MultiCounterStat
    57  	dstUnreachable tcpip.MultiCounterStat
    58  	srcQuench      tcpip.MultiCounterStat
    59  	redirect       tcpip.MultiCounterStat
    60  	timeExceeded   tcpip.MultiCounterStat
    61  	paramProblem   tcpip.MultiCounterStat
    62  	timestamp      tcpip.MultiCounterStat
    63  	timestampReply tcpip.MultiCounterStat
    64  	infoRequest    tcpip.MultiCounterStat
    65  	infoReply      tcpip.MultiCounterStat
    66  }
    67  
    68  func (m *multiCounterICMPv4PacketStats) init(a, b *tcpip.ICMPv4PacketStats) {
    69  	m.echoRequest.Init(a.EchoRequest, b.EchoRequest)
    70  	m.echoReply.Init(a.EchoReply, b.EchoReply)
    71  	m.dstUnreachable.Init(a.DstUnreachable, b.DstUnreachable)
    72  	m.srcQuench.Init(a.SrcQuench, b.SrcQuench)
    73  	m.redirect.Init(a.Redirect, b.Redirect)
    74  	m.timeExceeded.Init(a.TimeExceeded, b.TimeExceeded)
    75  	m.paramProblem.Init(a.ParamProblem, b.ParamProblem)
    76  	m.timestamp.Init(a.Timestamp, b.Timestamp)
    77  	m.timestampReply.Init(a.TimestampReply, b.TimestampReply)
    78  	m.infoRequest.Init(a.InfoRequest, b.InfoRequest)
    79  	m.infoReply.Init(a.InfoReply, b.InfoReply)
    80  }
    81  
    82  // LINT.ThenChange(../../tcpip.go:ICMPv4PacketStats)
    83  
    84  // LINT.IfChange(multiCounterICMPv4SentPacketStats)
    85  
    86  type multiCounterICMPv4SentPacketStats struct {
    87  	multiCounterICMPv4PacketStats
    88  	dropped     tcpip.MultiCounterStat
    89  	rateLimited tcpip.MultiCounterStat
    90  }
    91  
    92  func (m *multiCounterICMPv4SentPacketStats) init(a, b *tcpip.ICMPv4SentPacketStats) {
    93  	m.multiCounterICMPv4PacketStats.init(&a.ICMPv4PacketStats, &b.ICMPv4PacketStats)
    94  	m.dropped.Init(a.Dropped, b.Dropped)
    95  	m.rateLimited.Init(a.RateLimited, b.RateLimited)
    96  }
    97  
    98  // LINT.ThenChange(../../tcpip.go:ICMPv4SentPacketStats)
    99  
   100  // LINT.IfChange(multiCounterICMPv4ReceivedPacketStats)
   101  
   102  type multiCounterICMPv4ReceivedPacketStats struct {
   103  	multiCounterICMPv4PacketStats
   104  	invalid tcpip.MultiCounterStat
   105  }
   106  
   107  func (m *multiCounterICMPv4ReceivedPacketStats) init(a, b *tcpip.ICMPv4ReceivedPacketStats) {
   108  	m.multiCounterICMPv4PacketStats.init(&a.ICMPv4PacketStats, &b.ICMPv4PacketStats)
   109  	m.invalid.Init(a.Invalid, b.Invalid)
   110  }
   111  
   112  // LINT.ThenChange(../../tcpip.go:ICMPv4ReceivedPacketStats)
   113  
   114  // LINT.IfChange(multiCounterICMPv4Stats)
   115  
   116  type multiCounterICMPv4Stats struct {
   117  	packetsSent     multiCounterICMPv4SentPacketStats
   118  	packetsReceived multiCounterICMPv4ReceivedPacketStats
   119  }
   120  
   121  func (m *multiCounterICMPv4Stats) init(a, b *tcpip.ICMPv4Stats) {
   122  	m.packetsSent.init(&a.PacketsSent, &b.PacketsSent)
   123  	m.packetsReceived.init(&a.PacketsReceived, &b.PacketsReceived)
   124  }
   125  
   126  // LINT.ThenChange(../../tcpip.go:ICMPv4Stats)
   127  
   128  // LINT.IfChange(multiCounterIGMPPacketStats)
   129  
   130  type multiCounterIGMPPacketStats struct {
   131  	membershipQuery    tcpip.MultiCounterStat
   132  	v1MembershipReport tcpip.MultiCounterStat
   133  	v2MembershipReport tcpip.MultiCounterStat
   134  	leaveGroup         tcpip.MultiCounterStat
   135  }
   136  
   137  func (m *multiCounterIGMPPacketStats) init(a, b *tcpip.IGMPPacketStats) {
   138  	m.membershipQuery.Init(a.MembershipQuery, b.MembershipQuery)
   139  	m.v1MembershipReport.Init(a.V1MembershipReport, b.V1MembershipReport)
   140  	m.v2MembershipReport.Init(a.V2MembershipReport, b.V2MembershipReport)
   141  	m.leaveGroup.Init(a.LeaveGroup, b.LeaveGroup)
   142  }
   143  
   144  // LINT.ThenChange(../../tcpip.go:IGMPPacketStats)
   145  
   146  // LINT.IfChange(multiCounterIGMPSentPacketStats)
   147  
   148  type multiCounterIGMPSentPacketStats struct {
   149  	multiCounterIGMPPacketStats
   150  	dropped tcpip.MultiCounterStat
   151  }
   152  
   153  func (m *multiCounterIGMPSentPacketStats) init(a, b *tcpip.IGMPSentPacketStats) {
   154  	m.multiCounterIGMPPacketStats.init(&a.IGMPPacketStats, &b.IGMPPacketStats)
   155  	m.dropped.Init(a.Dropped, b.Dropped)
   156  }
   157  
   158  // LINT.ThenChange(../../tcpip.go:IGMPSentPacketStats)
   159  
   160  // LINT.IfChange(multiCounterIGMPReceivedPacketStats)
   161  
   162  type multiCounterIGMPReceivedPacketStats struct {
   163  	multiCounterIGMPPacketStats
   164  	invalid        tcpip.MultiCounterStat
   165  	checksumErrors tcpip.MultiCounterStat
   166  	unrecognized   tcpip.MultiCounterStat
   167  }
   168  
   169  func (m *multiCounterIGMPReceivedPacketStats) init(a, b *tcpip.IGMPReceivedPacketStats) {
   170  	m.multiCounterIGMPPacketStats.init(&a.IGMPPacketStats, &b.IGMPPacketStats)
   171  	m.invalid.Init(a.Invalid, b.Invalid)
   172  	m.checksumErrors.Init(a.ChecksumErrors, b.ChecksumErrors)
   173  	m.unrecognized.Init(a.Unrecognized, b.Unrecognized)
   174  }
   175  
   176  // LINT.ThenChange(../../tcpip.go:IGMPReceivedPacketStats)
   177  
   178  // LINT.IfChange(multiCounterIGMPStats)
   179  
   180  type multiCounterIGMPStats struct {
   181  	packetsSent     multiCounterIGMPSentPacketStats
   182  	packetsReceived multiCounterIGMPReceivedPacketStats
   183  }
   184  
   185  func (m *multiCounterIGMPStats) init(a, b *tcpip.IGMPStats) {
   186  	m.packetsSent.init(&a.PacketsSent, &b.PacketsSent)
   187  	m.packetsReceived.init(&a.PacketsReceived, &b.PacketsReceived)
   188  }
   189  
   190  // LINT.ThenChange(../../tcpip.go:IGMPStats)