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status.go
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status.go
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// Copyright 2018 The Cockroach Authors.
//
// Use of this software is governed by the Business Source License
// included in the file licenses/BSL.txt.
//
// As of the Change Date specified in that file, in accordance with
// the Business Source License, use of this software will be governed
// by the Apache License, Version 2.0, included in the file
// licenses/APL.txt.
package gossip
import (
"time"
"github.com/cockroachdb/cockroach/pkg/util/metric"
"github.com/cockroachdb/redact"
)
// Metrics contains gossip metrics used per node and server.
type Metrics struct {
ConnectionsRefused *metric.Counter
BytesReceived *metric.Counter
BytesSent *metric.Counter
InfosReceived *metric.Counter
InfosSent *metric.Counter
}
func makeMetrics() Metrics {
return Metrics{
ConnectionsRefused: metric.NewCounter(MetaConnectionsRefused),
BytesReceived: metric.NewCounter(MetaBytesReceived),
BytesSent: metric.NewCounter(MetaBytesSent),
InfosReceived: metric.NewCounter(MetaInfosReceived),
InfosSent: metric.NewCounter(MetaInfosSent),
}
}
func (m Metrics) String() string {
return redact.StringWithoutMarkers(m.Snapshot())
}
// Snapshot returns a snapshot of the metrics.
func (m Metrics) Snapshot() MetricSnap {
return MetricSnap{
ConnsRefused: m.ConnectionsRefused.Count(),
BytesReceived: m.BytesReceived.Count(),
BytesSent: m.BytesSent.Count(),
InfosReceived: m.InfosReceived.Count(),
InfosSent: m.InfosSent.Count(),
}
}
func (m MetricSnap) String() string {
return redact.StringWithoutMarkers(m)
}
// SafeFormat implements the redact.SafeFormatter interface.
func (m MetricSnap) SafeFormat(w redact.SafePrinter, _ rune) {
w.Printf("infos %d/%d sent/received, bytes %dB/%dB sent/received",
m.InfosSent, m.InfosReceived,
m.BytesSent, m.BytesReceived)
if m.ConnsRefused > 0 {
w.Printf(", refused %d conns", m.ConnsRefused)
}
}
func (c OutgoingConnStatus) String() string {
return redact.StringWithoutMarkers(c)
}
// SafeFormat implements the redact.SafeFormatter interface.
func (c OutgoingConnStatus) SafeFormat(w redact.SafePrinter, _ rune) {
w.Printf("%d: %s (%s: %s)",
c.NodeID, c.Address,
roundSecs(time.Duration(c.AgeNanos)), c.MetricSnap)
}
func (c ClientStatus) String() string {
return redact.StringWithoutMarkers(c)
}
// SafeFormat implements the redact.SafeFormatter interface.
func (c ClientStatus) SafeFormat(w redact.SafePrinter, _ rune) {
w.Printf("gossip client (%d/%d cur/max conns)\n",
len(c.ConnStatus), c.MaxConns)
for _, conn := range c.ConnStatus {
w.Printf(" %s\n", conn)
}
}
func (c ConnStatus) String() string {
return redact.StringWithoutMarkers(c)
}
// SafeFormat implements the redact.SafeFormatter interface.
func (c ConnStatus) SafeFormat(w redact.SafePrinter, _ rune) {
w.Printf("%d: %s (%s)", c.NodeID, c.Address,
roundSecs(time.Duration(c.AgeNanos)))
}
func (s ServerStatus) String() string {
return redact.StringWithoutMarkers(s)
}
// SafeFormat implements the redact.SafeFormatter interface.
func (s ServerStatus) SafeFormat(w redact.SafePrinter, _ rune) {
w.Printf("gossip server (%d/%d cur/max conns, %s)\n",
len(s.ConnStatus), s.MaxConns, s.MetricSnap)
for _, conn := range s.ConnStatus {
w.Printf(" %s\n", conn)
}
}
func (c Connectivity) String() string {
return redact.StringWithoutMarkers(c)
}
// SafeFormat implements the redact.SafeFormatter interface.
func (c Connectivity) SafeFormat(w redact.SafePrinter, _ rune) {
w.Printf("gossip connectivity\n")
if c.SentinelNodeID != 0 {
w.Printf(" n%d [sentinel];\n", c.SentinelNodeID)
}
if len(c.ClientConns) > 0 {
w.SafeRune(' ')
for _, conn := range c.ClientConns {
w.Printf(" n%d -> n%d;", conn.SourceID, conn.TargetID)
}
w.SafeRune('\n')
}
}