diag

package

v0.0.0-...-13e1c1b Latest Latest Go to latest Published: Jan 27, 2025 License: Apache-2.0 Imports: 9 Imported by: 0

Details

Package diag implements network diagnostics.

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type EvalResult struct {
	Name     string
	Error    bool
	Status   string
	Children []*EvalResult
}

type Monitor struct {
	// contains filtered or unexported fields
}

func NewMonitor(n Node) *Monitor

func (m *Monitor) Evaluate() *EvalResult

type Node interface {
	Then(t Node) Node
	Children() []Node
	Evaluate() (status string, _ error)
}

func DHCPv4() Node

DHCPv4 returns a Node which succeeds if /perm/dhcp4/wire/lease.json contains a non-expired DHCPv4 lease.

func DHCPv6() Node

DHCPv6 returns a Node which succeeds if /perm/dhcp6/wire/lease.json contains a non-expired DHCPv6 lease.

func Link(ifname string) Node

Link returns a Node which succeeds when the specified network interface is in state UP and RUNNING.

func Ping4(addr string) Node

Ping4 returns a Node which succeeds when the specified address responds to an ICMPv4 ping.

func Ping4Gateway() Node

Ping4Gateway returns a Node which succeeds when the default gateway responds to an ICMPv4 ping.

func Ping6(ifname, addr string) Node

Ping6 returns a Node which succeeds when the specified address responds to an ICMPv6 ping.

func Ping6Gateway() Node

Ping6Gateway returns a Node which succeeds when the default gateway responds to an ICMPv6 ping.

func RouterAdvertisments(ifname string) Node

RouterAdvertisments returns a Node which succeeds if the specified interface obtained at least one address from IPv6 router advertisments.

func TCP4(addr string) Node

TCP4 returns a Node which succeeds when the specified address accepts a TCPv4 connection.

func TCP6(ifname, addr string) Node

TCP6 returns a Node which succeeds when the specified address accepts a TCPv6 connection.