github.com/ttpreport/gvisor-ligolo@v0.0.0-20240123134145-a858404967ba/pkg/tcpip/network/ipv6/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 ipv6
    16  
    17  import (
    18  	"github.com/ttpreport/gvisor-ligolo/pkg/tcpip"
    19  	"github.com/ttpreport/gvisor-ligolo/pkg/tcpip/network/internal/ip"
    20  	"github.com/ttpreport/gvisor-ligolo/pkg/tcpip/stack"
    21  )
    22  
    23  var _ stack.IPNetworkEndpointStats = (*Stats)(nil)
    24  
    25  // Stats holds statistics related to the IPv6 protocol family.
    26  type Stats struct {
    27  	// IP holds IPv6 statistics.
    28  	IP tcpip.IPStats
    29  
    30  	// ICMP holds ICMPv6 statistics.
    31  	ICMP tcpip.ICMPv6Stats
    32  
    33  	// UnhandledRouterAdvertisements is the number of Router Advertisements that
    34  	// were observed but not handled.
    35  	UnhandledRouterAdvertisements *tcpip.StatCounter
    36  }
    37  
    38  // IsNetworkEndpointStats implements stack.NetworkEndpointStats.
    39  func (*Stats) IsNetworkEndpointStats() {}
    40  
    41  // IPStats implements stack.IPNetworkEndointStats
    42  func (s *Stats) IPStats() *tcpip.IPStats {
    43  	return &s.IP
    44  }
    45  
    46  type sharedStats struct {
    47  	localStats Stats
    48  	ip         ip.MultiCounterIPStats
    49  	icmp       multiCounterICMPv6Stats
    50  }
    51  
    52  // LINT.IfChange(multiCounterICMPv6PacketStats)
    53  
    54  type multiCounterICMPv6PacketStats struct {
    55  	echoRequest               tcpip.MultiCounterStat
    56  	echoReply                 tcpip.MultiCounterStat
    57  	dstUnreachable            tcpip.MultiCounterStat
    58  	packetTooBig              tcpip.MultiCounterStat
    59  	timeExceeded              tcpip.MultiCounterStat
    60  	paramProblem              tcpip.MultiCounterStat
    61  	routerSolicit             tcpip.MultiCounterStat
    62  	routerAdvert              tcpip.MultiCounterStat
    63  	neighborSolicit           tcpip.MultiCounterStat
    64  	neighborAdvert            tcpip.MultiCounterStat
    65  	redirectMsg               tcpip.MultiCounterStat
    66  	multicastListenerQuery    tcpip.MultiCounterStat
    67  	multicastListenerReport   tcpip.MultiCounterStat
    68  	multicastListenerReportV2 tcpip.MultiCounterStat
    69  	multicastListenerDone     tcpip.MultiCounterStat
    70  }
    71  
    72  func (m *multiCounterICMPv6PacketStats) init(a, b *tcpip.ICMPv6PacketStats) {
    73  	m.echoRequest.Init(a.EchoRequest, b.EchoRequest)
    74  	m.echoReply.Init(a.EchoReply, b.EchoReply)
    75  	m.dstUnreachable.Init(a.DstUnreachable, b.DstUnreachable)
    76  	m.packetTooBig.Init(a.PacketTooBig, b.PacketTooBig)
    77  	m.timeExceeded.Init(a.TimeExceeded, b.TimeExceeded)
    78  	m.paramProblem.Init(a.ParamProblem, b.ParamProblem)
    79  	m.routerSolicit.Init(a.RouterSolicit, b.RouterSolicit)
    80  	m.routerAdvert.Init(a.RouterAdvert, b.RouterAdvert)
    81  	m.neighborSolicit.Init(a.NeighborSolicit, b.NeighborSolicit)
    82  	m.neighborAdvert.Init(a.NeighborAdvert, b.NeighborAdvert)
    83  	m.redirectMsg.Init(a.RedirectMsg, b.RedirectMsg)
    84  	m.multicastListenerQuery.Init(a.MulticastListenerQuery, b.MulticastListenerQuery)
    85  	m.multicastListenerReport.Init(a.MulticastListenerReport, b.MulticastListenerReport)
    86  	m.multicastListenerReportV2.Init(a.MulticastListenerReportV2, b.MulticastListenerReportV2)
    87  	m.multicastListenerDone.Init(a.MulticastListenerDone, b.MulticastListenerDone)
    88  }
    89  
    90  // LINT.ThenChange(../../tcpip.go:ICMPv6PacketStats)
    91  
    92  // LINT.IfChange(multiCounterICMPv6SentPacketStats)
    93  
    94  type multiCounterICMPv6SentPacketStats struct {
    95  	multiCounterICMPv6PacketStats
    96  	dropped     tcpip.MultiCounterStat
    97  	rateLimited tcpip.MultiCounterStat
    98  }
    99  
   100  func (m *multiCounterICMPv6SentPacketStats) init(a, b *tcpip.ICMPv6SentPacketStats) {
   101  	m.multiCounterICMPv6PacketStats.init(&a.ICMPv6PacketStats, &b.ICMPv6PacketStats)
   102  	m.dropped.Init(a.Dropped, b.Dropped)
   103  	m.rateLimited.Init(a.RateLimited, b.RateLimited)
   104  }
   105  
   106  // LINT.ThenChange(../../tcpip.go:ICMPv6SentPacketStats)
   107  
   108  // LINT.IfChange(multiCounterICMPv6ReceivedPacketStats)
   109  
   110  type multiCounterICMPv6ReceivedPacketStats struct {
   111  	multiCounterICMPv6PacketStats
   112  	unrecognized                   tcpip.MultiCounterStat
   113  	invalid                        tcpip.MultiCounterStat
   114  	routerOnlyPacketsDroppedByHost tcpip.MultiCounterStat
   115  }
   116  
   117  func (m *multiCounterICMPv6ReceivedPacketStats) init(a, b *tcpip.ICMPv6ReceivedPacketStats) {
   118  	m.multiCounterICMPv6PacketStats.init(&a.ICMPv6PacketStats, &b.ICMPv6PacketStats)
   119  	m.unrecognized.Init(a.Unrecognized, b.Unrecognized)
   120  	m.invalid.Init(a.Invalid, b.Invalid)
   121  	m.routerOnlyPacketsDroppedByHost.Init(a.RouterOnlyPacketsDroppedByHost, b.RouterOnlyPacketsDroppedByHost)
   122  }
   123  
   124  // LINT.ThenChange(../../tcpip.go:ICMPv6ReceivedPacketStats)
   125  
   126  // LINT.IfChange(multiCounterICMPv6Stats)
   127  
   128  type multiCounterICMPv6Stats struct {
   129  	packetsSent     multiCounterICMPv6SentPacketStats
   130  	packetsReceived multiCounterICMPv6ReceivedPacketStats
   131  }
   132  
   133  func (m *multiCounterICMPv6Stats) init(a, b *tcpip.ICMPv6Stats) {
   134  	m.packetsSent.init(&a.PacketsSent, &b.PacketsSent)
   135  	m.packetsReceived.init(&a.PacketsReceived, &b.PacketsReceived)
   136  }
   137  
   138  // LINT.ThenChange(../../tcpip.go:ICMPv6Stats)