nebula/message_metrics.go
Wade Simmons b37a91cfbc
add meta packet statistics (#230)
This change add more metrics around "meta" (non "message" type packets).
For lighthouse packets, we also record statistics around the specific
lighthouse meta type.

We don't keep statistics for the "message" type so that we don't slow
down the fast path (and you can just look at metrics on the tun
interface to find that information).
2020-06-26 13:45:48 -04:00

97 lines
2.6 KiB
Go

package nebula
import (
"fmt"
"github.com/rcrowley/go-metrics"
)
type MessageMetrics struct {
rx [][]metrics.Counter
tx [][]metrics.Counter
rxUnknown metrics.Counter
txUnknown metrics.Counter
}
func (m *MessageMetrics) Rx(t NebulaMessageType, s NebulaMessageSubType, i int64) {
if m != nil {
if t >= 0 && int(t) < len(m.rx) && s >= 0 && int(s) < len(m.rx[t]) {
m.rx[t][s].Inc(i)
} else if m.rxUnknown != nil {
m.rxUnknown.Inc(i)
}
}
}
func (m *MessageMetrics) Tx(t NebulaMessageType, s NebulaMessageSubType, i int64) {
if m != nil {
if t >= 0 && int(t) < len(m.tx) && s >= 0 && int(s) < len(m.tx[t]) {
m.tx[t][s].Inc(i)
} else if m.txUnknown != nil {
m.txUnknown.Inc(i)
}
}
}
func newMessageMetrics() *MessageMetrics {
gen := func(t string) [][]metrics.Counter {
return [][]metrics.Counter{
{
metrics.GetOrRegisterCounter(fmt.Sprintf("messages.%s.handshake_ixpsk0", t), nil),
},
nil,
{metrics.GetOrRegisterCounter(fmt.Sprintf("messages.%s.recv_error", t), nil)},
{metrics.GetOrRegisterCounter(fmt.Sprintf("messages.%s.lighthouse", t), nil)},
{
metrics.GetOrRegisterCounter(fmt.Sprintf("messages.%s.test_request", t), nil),
metrics.GetOrRegisterCounter(fmt.Sprintf("messages.%s.test_response", t), nil),
},
{metrics.GetOrRegisterCounter(fmt.Sprintf("messages.%s.close_tunnel", t), nil)},
}
}
return &MessageMetrics{
rx: gen("rx"),
tx: gen("tx"),
rxUnknown: metrics.GetOrRegisterCounter("messages.rx.other", nil),
txUnknown: metrics.GetOrRegisterCounter("messages.tx.other", nil),
}
}
// Historically we only recorded recv_error, so this is backwards compat
func newMessageMetricsOnlyRecvError() *MessageMetrics {
gen := func(t string) [][]metrics.Counter {
return [][]metrics.Counter{
nil,
nil,
{metrics.GetOrRegisterCounter(fmt.Sprintf("messages.%s.recv_error", t), nil)},
}
}
return &MessageMetrics{
rx: gen("rx"),
tx: gen("tx"),
}
}
func newLighthouseMetrics() *MessageMetrics {
gen := func(t string) [][]metrics.Counter {
h := make([][]metrics.Counter, len(NebulaMeta_MessageType_name))
used := []NebulaMeta_MessageType{
NebulaMeta_HostQuery,
NebulaMeta_HostQueryReply,
NebulaMeta_HostUpdateNotification,
NebulaMeta_HostPunchNotification,
}
for _, i := range used {
h[i] = []metrics.Counter{metrics.GetOrRegisterCounter(fmt.Sprintf("lighthouse.%s.%s", t, i.String()), nil)}
}
return h
}
return &MessageMetrics{
rx: gen("rx"),
tx: gen("tx"),
rxUnknown: metrics.GetOrRegisterCounter("lighthouse.rx.other", nil),
txUnknown: metrics.GetOrRegisterCounter("lighthouse.tx.other", nil),
}
}