hnsstats

Documentation

Overview

Package hnsstats contains the hnsstats plugin. It gathers TCP statistics and counts number of packets/bytes forwarded or dropped in HNS and VFP from Windows nodes.

Copyright (c) Microsoft Corporation. Licensed under the MIT license.

Copyright (c) Microsoft Corporation. Licensed under the MIT license.

Index

• Constants
• func New(cfg *kcfg.Config) api.Plugin
• type Direction
• type HnsStatsData
  • func (h *HnsStatsData) HandlePluginEventSignals(attr []attribute.KeyValue, m metric.Meter, t trace.Tracer)
  • func (h *HnsStatsData) String() string
• type VfpDirectedPortCounters
• type VfpPacketDropStats
  • func (drops *VfpPacketDropStats) String() string
• type VfpPortStatsData
  • func (v *VfpPortStatsData) String() string
• type VfpTcpConnectionStats
• type VfpTcpPacketStats
• type VfpTcpStats
  • func (tcpCounters *VfpTcpStats) String() string

Constants

const (
	HCN_ENDPOINT_STATE_CREATED = iota + 1
	HCN_ENDPOINT_STATE_ATTACHED
	HCN_ENDPOINT_STATE_ATTACHED_SHARING
	HCN_ENDPOINT_STATE_DETACHED
	HCN_ENDPOINT_STATE_DEGRADED
	HCN_ENDPOINT_STATE_DESTROYED
)

const (
	Name          api.PluginName = "hnsstats"
	HnsStatsEvent string         = "hnsstatscount"
	// From HNSStats API
	PacketsReceived        string = "win_packets_recv_count"
	PacketsSent            string = "win_packets_sent_count"
	BytesSent              string = "win_bytes_sent_count"
	BytesReceived          string = "win_bytes_recv_count"
	DroppedPacketsIncoming string = "win_packets_recv_drop_count"
	DroppedPacketsOutgoing string = "win_packets_sent_drop_count"
	DummyPort              string = "80" // Required arg in GetLocalEventAttributes
	// From VFP TCP counters
	// IN:
	// VFP TCP Packet Counters IN
	SynPacketCountIn    string = "win_tcp_recv_syn_packet_count"
	SynAckPacketCountIn string = "win_tcp_recv_syn_ack_packet_count"
	FinPacketCountIn    string = "win_tcp_recv_fin_packet_count"
	RstPacketCountIn    string = "win_tcp_recv_rst_packet_count"
	// VFP DROP Counters IN
	AclDropPacketCountIn string = "win_acl_recv_drop_packet_count"
	// VFP TCP Connections Counters IN
	VerifiedCountIn            string = "win_tcp_recv_verified_count"
	TimedOutCountIn            string = "win_tcp_recv_timedout_count"
	ResetCountIn               string = "win_tcp_recv_rst_count"
	ResetSynCountIn            string = "win_tcp_recv_rst_syn_count"
	ClosedFinCountIn           string = "win_tcp_recv_closed_fin_count"
	TcpHalfOpenTimeoutsCountIn string = "win_tcp_recv_half_open_timeout_count"
	TimeWaitExpiredCountIn     string = "win_tcp_recv_time_wait_expired_count"
	// OUT:
	// VFP TCP Packet Counters OUT
	SynPacketCountOut    string = "win_tcp_sent_syn_packet_count"
	SynAckPacketCountOut string = "win_tcp_sent_syn_ack_packet_count"
	FinPacketCountOut    string = "win_tcp_sent_fin_packet_count"
	RstPacketCountOut    string = "win_tcp_sent_rst_packet_count"
	// VFP DROP Counters Out
	AclDropPacketCountOut string = "win_acl_sent_drop_packet_count"
	// VFP TCP Connection Counters OUT
	VerifiedCountOut            string = "win_tcp_sent_verified_count"
	TimedOutCountOut            string = "win_tcp_sent_timedout_count"
	ResetCountOut               string = "win_tcp_sent_rst_count"
	ResetSynCountOut            string = "win_tcp_sent_rst_syn_count"
	ClosedFinCountOut           string = "win_tcp_sent_closed_fin_count"
	TcpHalfOpenTimeoutsCountOut string = "win_tcp_sent_half_open_timeout_count"
	TimeWaitExpiredCountOut     string = "win_tcp_sent_time_wait_expired_count"
)

Functions

func New

func New(cfg *kcfg.Config) api.Plugin

New creates an hnsstats plugin.

Types

type Direction

type Direction int

IN/OUT Direction of vSwitch VFP port

const (
	OUT Direction = iota
	IN
)

type HnsStatsData

type HnsStatsData struct {
	IPAddress string
	// contains filtered or unexported fields
}

func (*HnsStatsData) HandlePluginEventSignals

func (h *HnsStatsData) HandlePluginEventSignals(attr []attribute.KeyValue, m metric.Meter, t trace.Tracer)

handles event signals such as incrementing a metric counter

func (*HnsStatsData) String

func (h *HnsStatsData) String() string

type VfpDirectedPortCounters

type VfpDirectedPortCounters struct {

	// Contains TCP-level counters
	TcpCounters VfpTcpStats
	// Contains generic drop counters
	DropCounters VfpPacketDropStats
	// contains filtered or unexported fields
}

type VfpPacketDropStats

type VfpPacketDropStats struct {
	AclDropPacketCount uint64
}

func (*VfpPacketDropStats) String

func (drops *VfpPacketDropStats) String() string

type VfpPortStatsData

type VfpPortStatsData struct {
	// IN counters
	In VfpDirectedPortCounters
	// OUT counters
	Out VfpDirectedPortCounters
}

func (*VfpPortStatsData) String

func (v *VfpPortStatsData) String() string

type VfpTcpConnectionStats

type VfpTcpConnectionStats struct {
	VerifiedCount            uint64
	TimedOutCount            uint64
	ResetCount               uint64
	ResetSynCount            uint64
	ClosedFinCount           uint64
	TcpHalfOpenTimeoutsCount uint64
	TimeWaitExpiredCount     uint64
}

type VfpTcpPacketStats

type VfpTcpPacketStats struct {
	SynPacketCount    uint64
	SynAckPacketCount uint64
	FinPacketCount    uint64
	RstPacketCount    uint64
}

type VfpTcpStats

type VfpTcpStats struct {
	ConnectionCounters VfpTcpConnectionStats
	PacketCounters     VfpTcpPacketStats
}

func (*VfpTcpStats) String

func (tcpCounters *VfpTcpStats) String() string