tracer: improve
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
This commit is contained in:
parent
64c4f5f47e
commit
52bed214cf
5
go.mod
5
go.mod
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@ -7,7 +7,7 @@ require (
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github.com/google/uuid v1.3.0
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github.com/imdario/mergo v0.3.15
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github.com/patrickmn/go-cache v2.1.0+incompatible
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github.com/silas/dag v0.0.0-20211117232152-9d50aa809f35
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github.com/silas/dag v0.0.0-20220518035006-a7e85ada93c5
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golang.org/x/sync v0.3.0
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google.golang.org/grpc v1.57.0
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google.golang.org/protobuf v1.31.0
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@ -15,5 +15,6 @@ require (
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require (
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github.com/golang/protobuf v1.5.3 // indirect
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google.golang.org/genproto/googleapis/rpc v0.0.0-20230525234030-28d5490b6b19 // indirect
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golang.org/x/net v0.14.0 // indirect
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google.golang.org/genproto/googleapis/rpc v0.0.0-20230526203410-71b5a4ffd15e // indirect
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)
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15
go.sum
15
go.sum
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@ -11,16 +11,17 @@ github.com/imdario/mergo v0.3.15 h1:M8XP7IuFNsqUx6VPK2P9OSmsYsI/YFaGil0uD21V3dM=
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github.com/imdario/mergo v0.3.15/go.mod h1:WBLT9ZmE3lPoWsEzCh9LPo3TiwVN+ZKEjmz+hD27ysY=
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github.com/patrickmn/go-cache v2.1.0+incompatible h1:HRMgzkcYKYpi3C8ajMPV8OFXaaRUnok+kx1WdO15EQc=
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github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTKqZju1ZixQ/KpMGzzAfe6+WQ=
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github.com/silas/dag v0.0.0-20211117232152-9d50aa809f35 h1:4mohWoM/UGg1BvFFiqSPRl5uwJY3rVV0HQX0ETqauqQ=
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github.com/silas/dag v0.0.0-20211117232152-9d50aa809f35/go.mod h1:7RTUFBdIRC9nZ7/3RyRNH1bdqIShrDejd1YbLwgPS+I=
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golang.org/x/net v0.9.0 h1:aWJ/m6xSmxWBx+V0XRHTlrYrPG56jKsLdTFmsSsCzOM=
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github.com/silas/dag v0.0.0-20220518035006-a7e85ada93c5 h1:G/FZtUu7a6NTWl3KUHMV9jkLAh/Rvtf03NWMHaEDl+E=
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github.com/silas/dag v0.0.0-20220518035006-a7e85ada93c5/go.mod h1:7RTUFBdIRC9nZ7/3RyRNH1bdqIShrDejd1YbLwgPS+I=
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golang.org/x/net v0.14.0 h1:BONx9s002vGdD9umnlX1Po8vOZmrgH34qlHcD1MfK14=
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golang.org/x/net v0.14.0/go.mod h1:PpSgVXXLK0OxS0F31C1/tv6XNguvCrnXIDrFMspZIUI=
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golang.org/x/sync v0.3.0 h1:ftCYgMx6zT/asHUrPw8BLLscYtGznsLAnjq5RH9P66E=
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golang.org/x/sync v0.3.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
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golang.org/x/sys v0.7.0 h1:3jlCCIQZPdOYu1h8BkNvLz8Kgwtae2cagcG/VamtZRU=
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golang.org/x/text v0.9.0 h1:2sjJmO8cDvYveuX97RDLsxlyUxLl+GHoLxBiRdHllBE=
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golang.org/x/sys v0.11.0 h1:eG7RXZHdqOJ1i+0lgLgCpSXAp6M3LYlAo6osgSi0xOM=
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golang.org/x/text v0.12.0 h1:k+n5B8goJNdU7hSvEtMUz3d1Q6D/XW4COJSJR6fN0mc=
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golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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google.golang.org/genproto/googleapis/rpc v0.0.0-20230525234030-28d5490b6b19 h1:0nDDozoAU19Qb2HwhXadU8OcsiO/09cnTqhUtq2MEOM=
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google.golang.org/genproto/googleapis/rpc v0.0.0-20230525234030-28d5490b6b19/go.mod h1:66JfowdXAEgad5O9NnYcsNPLCPZJD++2L9X0PCMODrA=
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google.golang.org/genproto/googleapis/rpc v0.0.0-20230526203410-71b5a4ffd15e h1:NumxXLPfHSndr3wBBdeKiVHjGVFzi9RX2HwwQke94iY=
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google.golang.org/genproto/googleapis/rpc v0.0.0-20230526203410-71b5a4ffd15e/go.mod h1:66JfowdXAEgad5O9NnYcsNPLCPZJD++2L9X0PCMODrA=
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google.golang.org/grpc v1.57.0 h1:kfzNeI/klCGD2YPMUlaGNT3pxvYfga7smW3Vth8Zsiw=
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google.golang.org/grpc v1.57.0/go.mod h1:Sd+9RMTACXwmub0zcNY2c4arhtrbBYD1AUHI/dt16Mo=
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google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
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@ -7,19 +7,27 @@ import (
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var _ Tracer = (*noopTracer)(nil)
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type noopTracer struct {
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opts Options
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opts Options
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spans []Span
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}
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func (t *noopTracer) Spans() []Span {
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return t.spans
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}
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func (t *noopTracer) Start(ctx context.Context, name string, opts ...SpanOption) (context.Context, Span) {
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options := NewSpanOptions(opts...)
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span := &noopSpan{
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name: name,
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ctx: ctx,
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tracer: t,
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opts: NewSpanOptions(opts...),
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labels: options.Labels,
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kind: options.Kind,
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}
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if span.ctx == nil {
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span.ctx = context.Background()
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}
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t.spans = append(t.spans, span)
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return NewSpanContext(ctx, span), span
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}
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@ -38,13 +46,21 @@ func (t *noopTracer) Name() string {
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return t.opts.Name
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}
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type noopEvent struct {
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name string
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labels []interface{}
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}
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type noopSpan struct {
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ctx context.Context
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tracer Tracer
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name string
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opts SpanOptions
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status SpanStatus
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statusMsg string
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events []*noopEvent
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labels []interface{}
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logs []interface{}
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kind SpanKind
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status SpanStatus
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}
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func (s *noopSpan) Finish(opts ...SpanOption) {
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@ -59,22 +75,24 @@ func (s *noopSpan) Tracer() Tracer {
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}
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func (s *noopSpan) AddEvent(name string, opts ...EventOption) {
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options := NewEventOptions(opts...)
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s.events = append(s.events, &noopEvent{name: name, labels: options.Labels})
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}
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func (s *noopSpan) SetName(name string) {
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s.name = name
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}
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func (s *noopSpan) SetLabels(labels ...interface{}) {
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s.opts.Labels = labels
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func (s *noopSpan) AddLogs(kv ...interface{}) {
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s.logs = append(s.logs, kv...)
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}
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func (s *noopSpan) AddLabels(labels ...interface{}) {
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s.opts.Labels = append(s.opts.Labels, labels...)
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func (s *noopSpan) AddLabels(kv ...interface{}) {
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s.labels = append(s.labels, kv...)
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}
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func (s *noopSpan) Kind() SpanKind {
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return s.opts.Kind
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return s.kind
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}
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func (s *noopSpan) Status() (SpanStatus, string) {
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@ -98,15 +98,15 @@ type EventOptions struct {
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// EventOption func signature
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type EventOption func(o *EventOptions)
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func WithEventLabels(labels ...interface{}) EventOption {
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func WithEventLabels(kv ...interface{}) EventOption {
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return func(o *EventOptions) {
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o.Labels = labels
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o.Labels = kv
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}
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}
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func WithSpanLabels(labels ...interface{}) SpanOption {
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func WithSpanLabels(kv ...interface{}) SpanOption {
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return func(o *SpanOptions) {
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o.Labels = labels
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o.Labels = kv
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}
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}
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@ -136,6 +136,15 @@ func Logger(l logger.Logger) Option {
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}
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}
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// NewEventOptions returns default EventOptions
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func NewEventOptions(opts ...EventOption) EventOptions {
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options := EventOptions{}
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for _, o := range opts {
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o(&options)
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}
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return options
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}
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// NewSpanOptions returns default SpanOptions
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func NewSpanOptions(opts ...SpanOption) SpanOptions {
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options := SpanOptions{
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@ -27,8 +27,6 @@ type Span interface {
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Tracer() Tracer
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// Finish complete and send span
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Finish(opts ...SpanOption)
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// AddEvent add event to span
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AddEvent(name string, opts ...EventOption)
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// Context return context with span
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Context() context.Context
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// SetName set the span name
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@ -37,10 +35,12 @@ type Span interface {
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SetStatus(status SpanStatus, msg string)
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// Status returns span status and msg
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Status() (SpanStatus, string)
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// SetLabels set the span labels
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SetLabels(labels ...interface{})
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// AddLabels append the span labels
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AddLabels(labels ...interface{})
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// AddLabels append labels to span
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AddLabels(kv ...interface{})
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// AddEvent append event to span
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AddEvent(name string, opts ...EventOption)
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// AddEvent append event to span
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AddLogs(kv ...interface{})
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// Kind returns span kind
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Kind() SpanKind
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}
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@ -0,0 +1,271 @@
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package grpc_util
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import (
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"context"
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"net"
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"strconv"
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"strings"
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"sync/atomic"
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"time"
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"go.unistack.org/micro/v3/tracer"
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grpc_codes "google.golang.org/grpc/codes"
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"google.golang.org/grpc/peer"
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"google.golang.org/grpc/stats"
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"google.golang.org/grpc/status"
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)
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type gRPCContextKey struct{}
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type gRPCContext struct {
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messagesReceived int64
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messagesSent int64
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}
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type Options struct {
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Tracer tracer.Tracer
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}
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type Option func(*Options)
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func Tracer(tr tracer.Tracer) Option {
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return func(o *Options) {
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o.Tracer = tr
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}
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}
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// NewServerHandler creates a stats.Handler for gRPC server.
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func NewServerHandler(opts ...Option) stats.Handler {
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options := Options{Tracer: tracer.DefaultTracer}
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for _, o := range opts {
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o(&options)
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}
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h := &serverHandler{
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opts: options,
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}
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return h
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}
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type serverHandler struct {
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opts Options
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}
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// TagRPC can attach some information to the given context.
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func (h *serverHandler) TagRPC(ctx context.Context, info *stats.RPCTagInfo) context.Context {
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name, attrs := parseFullMethod(info.FullMethodName)
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attrs = append(attrs, "rpc.system", "grpc")
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ctx, _ = h.opts.Tracer.Start(
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ctx,
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name,
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tracer.WithSpanKind(tracer.SpanKindServer),
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tracer.WithSpanLabels(attrs...),
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)
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gctx := gRPCContext{}
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return context.WithValue(ctx, gRPCContextKey{}, &gctx)
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}
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// HandleRPC processes the RPC stats.
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func (h *serverHandler) HandleRPC(ctx context.Context, rs stats.RPCStats) {
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handleRPC(ctx, rs)
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}
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// TagConn can attach some information to the given context.
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func (h *serverHandler) TagConn(ctx context.Context, info *stats.ConnTagInfo) context.Context {
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if span, ok := tracer.SpanFromContext(ctx); ok {
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attrs := peerAttr(peerFromCtx(ctx))
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span.AddLabels(attrs...)
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}
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return ctx
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}
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// HandleConn processes the Conn stats.
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func (h *serverHandler) HandleConn(ctx context.Context, info stats.ConnStats) {
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}
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type clientHandler struct {
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opts Options
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}
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// NewClientHandler creates a stats.Handler for gRPC client.
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func NewClientHandler(opts ...Option) stats.Handler {
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options := Options{Tracer: tracer.DefaultTracer}
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for _, o := range opts {
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o(&options)
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}
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h := &clientHandler{
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opts: options,
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}
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return h
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}
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// TagRPC can attach some information to the given context.
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func (h *clientHandler) TagRPC(ctx context.Context, info *stats.RPCTagInfo) context.Context {
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name, attrs := parseFullMethod(info.FullMethodName)
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attrs = append(attrs, "rpc.system", "grpc", "rpc.flavor", "grpc", "rpc.call", info.FullMethodName)
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ctx, _ = h.opts.Tracer.Start(
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ctx,
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name,
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tracer.WithSpanKind(tracer.SpanKindClient),
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tracer.WithSpanLabels(attrs...),
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)
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gctx := gRPCContext{}
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return context.WithValue(ctx, gRPCContextKey{}, &gctx)
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}
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// HandleRPC processes the RPC stats.
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func (h *clientHandler) HandleRPC(ctx context.Context, rs stats.RPCStats) {
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handleRPC(ctx, rs)
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}
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// TagConn can attach some information to the given context.
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func (h *clientHandler) TagConn(ctx context.Context, cti *stats.ConnTagInfo) context.Context {
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// TODO
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if span, ok := tracer.SpanFromContext(ctx); ok {
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attrs := peerAttr(cti.RemoteAddr.String())
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span.AddLabels(attrs...)
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}
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return ctx
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}
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// HandleConn processes the Conn stats.
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func (h *clientHandler) HandleConn(context.Context, stats.ConnStats) {
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// no-op
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}
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func handleRPC(ctx context.Context, rs stats.RPCStats) {
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span, ok := tracer.SpanFromContext(ctx)
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gctx, _ := ctx.Value(gRPCContextKey{}).(*gRPCContext)
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var messageID int64
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if rs.IsClient() {
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span.AddLabels("span.kind", "client")
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} else {
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span.AddLabels("span.kind", "server")
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}
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switch rs := rs.(type) {
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case *stats.Begin:
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if rs.IsClientStream || rs.IsServerStream {
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span.AddLabels("rpc.call_type", "stream")
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} else {
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span.AddLabels("rpc.call_type", "unary")
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}
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span.AddEvent("message",
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tracer.WithEventLabels(
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"message.begin_time", rs.BeginTime.Format(time.RFC3339),
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),
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)
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case *stats.InPayload:
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if gctx != nil {
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messageID = atomic.AddInt64(&gctx.messagesReceived, 1)
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}
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if ok {
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span.AddEvent("message",
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tracer.WithEventLabels(
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"message.recv_time", rs.RecvTime.Format(time.RFC3339),
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"message.type", "RECEIVED",
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"message.id", messageID,
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"message.compressed_size", rs.CompressedLength,
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"message.uncompressed_size", rs.Length,
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),
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)
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}
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case *stats.OutPayload:
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if gctx != nil {
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messageID = atomic.AddInt64(&gctx.messagesSent, 1)
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}
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if ok {
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span.AddEvent("message",
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tracer.WithEventLabels(
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"message.sent_time", rs.SentTime.Format(time.RFC3339),
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"message.type", "SENT",
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"message.id", messageID,
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"message.compressed_size", rs.CompressedLength,
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"message.uncompressed_size", rs.Length,
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),
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)
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}
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case *stats.End:
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if ok {
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span.AddEvent("message",
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tracer.WithEventLabels(
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"message.begin_time", rs.BeginTime.Format(time.RFC3339),
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"message.end_time", rs.EndTime.Format(time.RFC3339),
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),
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)
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if rs.Error != nil {
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s, _ := status.FromError(rs.Error)
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span.SetStatus(tracer.SpanStatusError, s.Message())
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span.AddLabels("rpc.grpc.status_code", s.Code())
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} else {
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span.AddLabels("rpc.grpc.status_code", grpc_codes.OK)
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}
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span.Finish()
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}
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default:
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return
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}
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}
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func parseFullMethod(fullMethod string) (string, []interface{}) {
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if !strings.HasPrefix(fullMethod, "/") {
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// Invalid format, does not follow `/package.service/method`.
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return fullMethod, nil
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}
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name := fullMethod[1:]
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pos := strings.LastIndex(name, "/")
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if pos < 0 {
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// Invalid format, does not follow `/package.service/method`.
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return name, nil
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}
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service, method := name[:pos], name[pos+1:]
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var attrs []interface{}
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if service != "" {
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||||
attrs = append(attrs, "rpc.service", service)
|
||||
}
|
||||
if method != "" {
|
||||
attrs = append(attrs, "rpc.method", method)
|
||||
}
|
||||
return name, attrs
|
||||
}
|
||||
|
||||
func peerAttr(addr string) []interface{} {
|
||||
host, p, err := net.SplitHostPort(addr)
|
||||
if err != nil {
|
||||
return nil
|
||||
}
|
||||
|
||||
if host == "" {
|
||||
host = "127.0.0.1"
|
||||
}
|
||||
port, err := strconv.Atoi(p)
|
||||
if err != nil {
|
||||
return nil
|
||||
}
|
||||
|
||||
var attr []interface{}
|
||||
if ip := net.ParseIP(host); ip != nil {
|
||||
attr = []interface{}{
|
||||
"net.sock.peer.addr", host,
|
||||
"net.sock.peer.port", port,
|
||||
}
|
||||
} else {
|
||||
attr = []interface{}{
|
||||
"net.peer.name", host,
|
||||
"net.peer.port", port,
|
||||
}
|
||||
}
|
||||
|
||||
return attr
|
||||
}
|
||||
|
||||
func peerFromCtx(ctx context.Context) string {
|
||||
p, ok := peer.FromContext(ctx)
|
||||
if !ok {
|
||||
return ""
|
||||
}
|
||||
return p.Addr.String()
|
||||
}
|
||||
|
|
@ -0,0 +1,253 @@
|
|||
//
|
||||
// Copyright The OpenTelemetry Authors
|
||||
//
|
||||
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||
// you may not use this file except in compliance with the License.
|
||||
// You may obtain a copy of the License at
|
||||
//
|
||||
// http://www.apache.org/licenses/LICENSE-2.0
|
||||
//
|
||||
// Unless required by applicable law or agreed to in writing, software
|
||||
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
// See the License for the specific language governing permissions and
|
||||
// limitations under the License.
|
||||
|
||||
package http
|
||||
|
||||
import (
|
||||
"context"
|
||||
"crypto/tls"
|
||||
"net/http/httptrace"
|
||||
"net/textproto"
|
||||
"strings"
|
||||
"sync"
|
||||
|
||||
"go.unistack.org/micro/v3/tracer"
|
||||
)
|
||||
|
||||
const (
|
||||
httpStatus = "http.status"
|
||||
httpHeaderMIME = "http.mime"
|
||||
httpRemoteAddr = "http.remote"
|
||||
httpLocalAddr = "http.local"
|
||||
httpHost = "http.host"
|
||||
)
|
||||
|
||||
var hookMap = map[string]string{
|
||||
"http.dns": "http.getconn",
|
||||
"http.connect": "http.getconn",
|
||||
"http.tls": "http.getconn",
|
||||
}
|
||||
|
||||
func parentHook(hook string) string {
|
||||
if strings.HasPrefix(hook, "http.connect") {
|
||||
return hookMap["http.connect"]
|
||||
}
|
||||
return hookMap[hook]
|
||||
}
|
||||
|
||||
type clientTracer struct {
|
||||
context.Context
|
||||
tr tracer.Tracer
|
||||
activeHooks map[string]context.Context
|
||||
root tracer.Span
|
||||
mtx sync.Mutex
|
||||
}
|
||||
|
||||
func NewClientTrace(ctx context.Context, tr tracer.Tracer) *httptrace.ClientTrace {
|
||||
ct := &clientTracer{
|
||||
Context: ctx,
|
||||
activeHooks: make(map[string]context.Context),
|
||||
tr: tr,
|
||||
}
|
||||
|
||||
return &httptrace.ClientTrace{
|
||||
GetConn: ct.getConn,
|
||||
GotConn: ct.gotConn,
|
||||
PutIdleConn: ct.putIdleConn,
|
||||
GotFirstResponseByte: ct.gotFirstResponseByte,
|
||||
Got100Continue: ct.got100Continue,
|
||||
Got1xxResponse: ct.got1xxResponse,
|
||||
DNSStart: ct.dnsStart,
|
||||
DNSDone: ct.dnsDone,
|
||||
ConnectStart: ct.connectStart,
|
||||
ConnectDone: ct.connectDone,
|
||||
TLSHandshakeStart: ct.tlsHandshakeStart,
|
||||
TLSHandshakeDone: ct.tlsHandshakeDone,
|
||||
WroteHeaderField: ct.wroteHeaderField,
|
||||
WroteHeaders: ct.wroteHeaders,
|
||||
Wait100Continue: ct.wait100Continue,
|
||||
WroteRequest: ct.wroteRequest,
|
||||
}
|
||||
}
|
||||
|
||||
func (ct *clientTracer) start(hook, spanName string, attrs ...interface{}) {
|
||||
ct.mtx.Lock()
|
||||
defer ct.mtx.Unlock()
|
||||
|
||||
if hookCtx, found := ct.activeHooks[hook]; !found {
|
||||
var sp tracer.Span
|
||||
ct.activeHooks[hook], sp = ct.tr.Start(ct.getParentContext(hook), spanName, tracer.WithSpanLabels(attrs...), tracer.WithSpanKind(tracer.SpanKindClient))
|
||||
if ct.root == nil {
|
||||
ct.root = sp
|
||||
}
|
||||
} else {
|
||||
// end was called before start finished, add the start attributes and end the span here
|
||||
if span, ok := tracer.SpanFromContext(hookCtx); ok {
|
||||
span.AddLabels(attrs...)
|
||||
span.Finish()
|
||||
}
|
||||
|
||||
delete(ct.activeHooks, hook)
|
||||
}
|
||||
}
|
||||
|
||||
func (ct *clientTracer) end(hook string, err error, attrs ...interface{}) {
|
||||
ct.mtx.Lock()
|
||||
defer ct.mtx.Unlock()
|
||||
if ctx, ok := ct.activeHooks[hook]; ok { // nolint:nestif
|
||||
if span, ok := tracer.SpanFromContext(ctx); ok {
|
||||
if err != nil {
|
||||
span.SetStatus(tracer.SpanStatusError, err.Error())
|
||||
}
|
||||
span.AddLabels(attrs...)
|
||||
span.Finish()
|
||||
}
|
||||
delete(ct.activeHooks, hook)
|
||||
} else {
|
||||
// start is not finished before end is called.
|
||||
// Start a span here with the ending attributes that will be finished when start finishes.
|
||||
// Yes, it's backwards. v0v
|
||||
ctx, span := ct.tr.Start(ct.getParentContext(hook), hook, tracer.WithSpanLabels(attrs...), tracer.WithSpanKind(tracer.SpanKindClient))
|
||||
if err != nil {
|
||||
span.SetStatus(tracer.SpanStatusError, err.Error())
|
||||
}
|
||||
ct.activeHooks[hook] = ctx
|
||||
}
|
||||
}
|
||||
|
||||
func (ct *clientTracer) getParentContext(hook string) context.Context {
|
||||
ctx, ok := ct.activeHooks[parentHook(hook)]
|
||||
if !ok {
|
||||
return ct.Context
|
||||
}
|
||||
return ctx
|
||||
}
|
||||
|
||||
func (ct *clientTracer) span(hook string) (tracer.Span, bool) {
|
||||
ct.mtx.Lock()
|
||||
defer ct.mtx.Unlock()
|
||||
if ctx, ok := ct.activeHooks[hook]; ok {
|
||||
return tracer.SpanFromContext(ctx)
|
||||
}
|
||||
return nil, false
|
||||
}
|
||||
|
||||
func (ct *clientTracer) getConn(host string) {
|
||||
ct.start("http.getconn", "http.getconn", httpHost, host)
|
||||
}
|
||||
|
||||
func (ct *clientTracer) gotConn(info httptrace.GotConnInfo) {
|
||||
ct.end("http.getconn",
|
||||
nil,
|
||||
httpRemoteAddr, info.Conn.RemoteAddr().String(),
|
||||
httpLocalAddr, info.Conn.LocalAddr().String(),
|
||||
)
|
||||
}
|
||||
|
||||
func (ct *clientTracer) putIdleConn(err error) {
|
||||
ct.end("http.receive", err)
|
||||
}
|
||||
|
||||
func (ct *clientTracer) gotFirstResponseByte() {
|
||||
ct.start("http.receive", "http.receive")
|
||||
}
|
||||
|
||||
func (ct *clientTracer) dnsStart(info httptrace.DNSStartInfo) {
|
||||
ct.start("http.dns", "http.dns", httpHost, info.Host)
|
||||
}
|
||||
|
||||
func (ct *clientTracer) dnsDone(info httptrace.DNSDoneInfo) {
|
||||
ct.end("http.dns", info.Err)
|
||||
}
|
||||
|
||||
func (ct *clientTracer) connectStart(network, addr string) {
|
||||
_ = network
|
||||
ct.start("http.connect."+addr, "http.connect", httpRemoteAddr, addr)
|
||||
}
|
||||
|
||||
func (ct *clientTracer) connectDone(network, addr string, err error) {
|
||||
_ = network
|
||||
ct.end("http.connect."+addr, err)
|
||||
}
|
||||
|
||||
func (ct *clientTracer) tlsHandshakeStart() {
|
||||
ct.start("http.tls", "http.tls")
|
||||
}
|
||||
|
||||
func (ct *clientTracer) tlsHandshakeDone(_ tls.ConnectionState, err error) {
|
||||
ct.end("http.tls", err)
|
||||
}
|
||||
|
||||
func (ct *clientTracer) wroteHeaderField(k string, v []string) {
|
||||
if sp, ok := ct.span("http.headers"); !ok || sp == nil {
|
||||
ct.start("http.headers", "http.headers")
|
||||
}
|
||||
ct.root.AddLabels("http."+strings.ToLower(k), sliceToString(v))
|
||||
}
|
||||
|
||||
func (ct *clientTracer) wroteHeaders() {
|
||||
ct.start("http.send", "http.send")
|
||||
}
|
||||
|
||||
func (ct *clientTracer) wroteRequest(info httptrace.WroteRequestInfo) {
|
||||
if info.Err != nil {
|
||||
ct.root.SetStatus(tracer.SpanStatusError, info.Err.Error())
|
||||
}
|
||||
ct.end("http.send", info.Err)
|
||||
}
|
||||
|
||||
func (ct *clientTracer) got100Continue() {
|
||||
if sp, ok := ct.span("http.receive"); ok && sp != nil {
|
||||
sp.AddEvent("GOT 100 - Continue")
|
||||
}
|
||||
}
|
||||
|
||||
func (ct *clientTracer) wait100Continue() {
|
||||
if sp, ok := ct.span("http.receive"); ok && sp != nil {
|
||||
sp.AddEvent("GOT 100 - Wait")
|
||||
}
|
||||
}
|
||||
|
||||
func (ct *clientTracer) got1xxResponse(code int, header textproto.MIMEHeader) error {
|
||||
if sp, ok := ct.span("http.receive"); ok && sp != nil {
|
||||
sp.AddEvent("GOT 1xx",
|
||||
tracer.WithEventLabels(
|
||||
httpStatus, code,
|
||||
httpHeaderMIME, sm2s(header),
|
||||
),
|
||||
)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func sliceToString(value []string) string {
|
||||
if len(value) == 0 {
|
||||
return "undefined"
|
||||
}
|
||||
return strings.Join(value, ",")
|
||||
}
|
||||
|
||||
func sm2s(value map[string][]string) string {
|
||||
var buf strings.Builder
|
||||
for k, v := range value {
|
||||
if buf.Len() != 0 {
|
||||
buf.WriteString(",")
|
||||
}
|
||||
buf.WriteString(k)
|
||||
buf.WriteString("=")
|
||||
buf.WriteString(sliceToString(v))
|
||||
}
|
||||
return buf.String()
|
||||
}
|
||||
Loading…
Reference in New Issue