mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
synced 2024-11-14 04:05:17 +00:00
699 lines
13 KiB
Go
699 lines
13 KiB
Go
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package rcmgr
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import (
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"compress/gzip"
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"context"
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"encoding/json"
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"fmt"
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"io"
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"os"
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"strings"
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"sync"
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"time"
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"github.com/libp2p/go-libp2p/core/network"
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)
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type trace struct {
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path string
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ctx context.Context
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cancel func()
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wg sync.WaitGroup
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mx sync.Mutex
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done bool
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pendingWrites []interface{}
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reporters []TraceReporter
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}
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type TraceReporter interface {
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// ConsumeEvent consumes a trace event. This is called synchronously,
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// implementations should process the event quickly.
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ConsumeEvent(TraceEvt)
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}
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func WithTrace(path string) Option {
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return func(r *resourceManager) error {
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if r.trace == nil {
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r.trace = &trace{path: path}
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} else {
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r.trace.path = path
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}
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return nil
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}
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}
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func WithTraceReporter(reporter TraceReporter) Option {
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return func(r *resourceManager) error {
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if r.trace == nil {
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r.trace = &trace{}
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}
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r.trace.reporters = append(r.trace.reporters, reporter)
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return nil
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}
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}
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type TraceEvtTyp string
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const (
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TraceStartEvt TraceEvtTyp = "start"
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TraceCreateScopeEvt TraceEvtTyp = "create_scope"
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TraceDestroyScopeEvt TraceEvtTyp = "destroy_scope"
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TraceReserveMemoryEvt TraceEvtTyp = "reserve_memory"
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TraceBlockReserveMemoryEvt TraceEvtTyp = "block_reserve_memory"
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TraceReleaseMemoryEvt TraceEvtTyp = "release_memory"
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TraceAddStreamEvt TraceEvtTyp = "add_stream"
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TraceBlockAddStreamEvt TraceEvtTyp = "block_add_stream"
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TraceRemoveStreamEvt TraceEvtTyp = "remove_stream"
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TraceAddConnEvt TraceEvtTyp = "add_conn"
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TraceBlockAddConnEvt TraceEvtTyp = "block_add_conn"
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TraceRemoveConnEvt TraceEvtTyp = "remove_conn"
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)
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type scopeClass struct {
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name string
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}
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func (s scopeClass) MarshalJSON() ([]byte, error) {
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name := s.name
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var span string
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if idx := strings.Index(name, "span:"); idx > -1 {
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name = name[:idx-1]
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span = name[idx+5:]
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}
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// System and Transient scope
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if name == "system" || name == "transient" || name == "allowlistedSystem" || name == "allowlistedTransient" {
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return json.Marshal(struct {
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Class string
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Span string `json:",omitempty"`
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}{
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Class: name,
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Span: span,
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})
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}
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// Connection scope
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if strings.HasPrefix(name, "conn-") {
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return json.Marshal(struct {
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Class string
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Conn string
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Span string `json:",omitempty"`
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}{
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Class: "conn",
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Conn: name[5:],
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Span: span,
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})
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}
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// Stream scope
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if strings.HasPrefix(name, "stream-") {
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return json.Marshal(struct {
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Class string
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Stream string
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Span string `json:",omitempty"`
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}{
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Class: "stream",
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Stream: name[7:],
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Span: span,
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})
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}
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// Peer scope
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if strings.HasPrefix(name, "peer:") {
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return json.Marshal(struct {
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Class string
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Peer string
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Span string `json:",omitempty"`
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}{
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Class: "peer",
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Peer: name[5:],
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Span: span,
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})
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}
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if strings.HasPrefix(name, "service:") {
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if idx := strings.Index(name, "peer:"); idx > 0 { // Peer-Service scope
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return json.Marshal(struct {
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Class string
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Service string
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Peer string
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Span string `json:",omitempty"`
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}{
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Class: "service-peer",
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Service: name[8 : idx-1],
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Peer: name[idx+5:],
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Span: span,
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})
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} else { // Service scope
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return json.Marshal(struct {
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Class string
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Service string
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Span string `json:",omitempty"`
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}{
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Class: "service",
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Service: name[8:],
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Span: span,
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})
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}
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}
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if strings.HasPrefix(name, "protocol:") {
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if idx := strings.Index(name, "peer:"); idx > -1 { // Peer-Protocol scope
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return json.Marshal(struct {
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Class string
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Protocol string
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Peer string
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Span string `json:",omitempty"`
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}{
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Class: "protocol-peer",
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Protocol: name[9 : idx-1],
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Peer: name[idx+5:],
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Span: span,
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})
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} else { // Protocol scope
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return json.Marshal(struct {
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Class string
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Protocol string
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Span string `json:",omitempty"`
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}{
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Class: "protocol",
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Protocol: name[9:],
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Span: span,
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})
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}
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}
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return nil, fmt.Errorf("unrecognized scope: %s", name)
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}
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type TraceEvt struct {
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Time string
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Type TraceEvtTyp
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Scope *scopeClass `json:",omitempty"`
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Name string `json:",omitempty"`
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Limit interface{} `json:",omitempty"`
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Priority uint8 `json:",omitempty"`
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Delta int64 `json:",omitempty"`
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DeltaIn int `json:",omitempty"`
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DeltaOut int `json:",omitempty"`
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Memory int64 `json:",omitempty"`
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StreamsIn int `json:",omitempty"`
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StreamsOut int `json:",omitempty"`
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ConnsIn int `json:",omitempty"`
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ConnsOut int `json:",omitempty"`
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FD int `json:",omitempty"`
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}
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func (t *trace) push(evt TraceEvt) {
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t.mx.Lock()
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defer t.mx.Unlock()
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if t.done {
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return
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}
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evt.Time = time.Now().Format(time.RFC3339Nano)
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if evt.Name != "" {
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evt.Scope = &scopeClass{name: evt.Name}
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}
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for _, reporter := range t.reporters {
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reporter.ConsumeEvent(evt)
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}
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if t.path != "" {
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t.pendingWrites = append(t.pendingWrites, evt)
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}
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}
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func (t *trace) backgroundWriter(out io.WriteCloser) {
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defer t.wg.Done()
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defer out.Close()
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gzOut := gzip.NewWriter(out)
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defer gzOut.Close()
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jsonOut := json.NewEncoder(gzOut)
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ticker := time.NewTicker(time.Second)
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defer ticker.Stop()
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var pend []interface{}
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getEvents := func() {
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t.mx.Lock()
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tmp := t.pendingWrites
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t.pendingWrites = pend[:0]
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pend = tmp
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t.mx.Unlock()
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}
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for {
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select {
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case <-ticker.C:
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getEvents()
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if len(pend) == 0 {
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continue
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}
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if err := t.writeEvents(pend, jsonOut); err != nil {
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log.Warnf("error writing rcmgr trace: %s", err)
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t.mx.Lock()
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t.done = true
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t.mx.Unlock()
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return
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}
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if err := gzOut.Flush(); err != nil {
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log.Warnf("error flushing rcmgr trace: %s", err)
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t.mx.Lock()
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t.done = true
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t.mx.Unlock()
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return
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}
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case <-t.ctx.Done():
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getEvents()
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if len(pend) == 0 {
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return
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}
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if err := t.writeEvents(pend, jsonOut); err != nil {
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log.Warnf("error writing rcmgr trace: %s", err)
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return
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}
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if err := gzOut.Flush(); err != nil {
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log.Warnf("error flushing rcmgr trace: %s", err)
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}
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return
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}
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}
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}
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func (t *trace) writeEvents(pend []interface{}, jout *json.Encoder) error {
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for _, e := range pend {
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if err := jout.Encode(e); err != nil {
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return err
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}
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}
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return nil
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}
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func (t *trace) Start(limits Limiter) error {
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if t == nil {
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return nil
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}
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t.ctx, t.cancel = context.WithCancel(context.Background())
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if t.path != "" {
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out, err := os.OpenFile(t.path, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0644)
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if err != nil {
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return nil
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}
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t.wg.Add(1)
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go t.backgroundWriter(out)
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}
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t.push(TraceEvt{
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Type: TraceStartEvt,
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Limit: limits,
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})
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return nil
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}
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func (t *trace) Close() error {
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if t == nil {
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return nil
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}
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t.mx.Lock()
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if t.done {
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t.mx.Unlock()
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return nil
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}
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t.cancel()
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t.done = true
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t.mx.Unlock()
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t.wg.Wait()
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return nil
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}
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func (t *trace) CreateScope(scope string, limit Limit) {
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if t == nil {
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return
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}
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t.push(TraceEvt{
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Type: TraceCreateScopeEvt,
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Name: scope,
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Limit: limit,
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})
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}
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func (t *trace) DestroyScope(scope string) {
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if t == nil {
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return
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}
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t.push(TraceEvt{
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Type: TraceDestroyScopeEvt,
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Name: scope,
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})
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}
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func (t *trace) ReserveMemory(scope string, prio uint8, size, mem int64) {
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if t == nil {
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return
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}
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if size == 0 {
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return
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}
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t.push(TraceEvt{
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Type: TraceReserveMemoryEvt,
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Name: scope,
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Priority: prio,
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Delta: size,
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Memory: mem,
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})
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}
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func (t *trace) BlockReserveMemory(scope string, prio uint8, size, mem int64) {
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if t == nil {
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return
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}
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if size == 0 {
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return
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}
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t.push(TraceEvt{
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Type: TraceBlockReserveMemoryEvt,
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Name: scope,
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Priority: prio,
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Delta: size,
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Memory: mem,
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})
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}
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func (t *trace) ReleaseMemory(scope string, size, mem int64) {
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if t == nil {
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return
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}
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if size == 0 {
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return
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}
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t.push(TraceEvt{
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Type: TraceReleaseMemoryEvt,
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Name: scope,
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Delta: -size,
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Memory: mem,
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})
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}
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func (t *trace) AddStream(scope string, dir network.Direction, nstreamsIn, nstreamsOut int) {
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if t == nil {
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return
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}
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var deltaIn, deltaOut int
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if dir == network.DirInbound {
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deltaIn = 1
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} else {
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deltaOut = 1
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}
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t.push(TraceEvt{
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Type: TraceAddStreamEvt,
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Name: scope,
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DeltaIn: deltaIn,
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DeltaOut: deltaOut,
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StreamsIn: nstreamsIn,
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StreamsOut: nstreamsOut,
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})
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}
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func (t *trace) BlockAddStream(scope string, dir network.Direction, nstreamsIn, nstreamsOut int) {
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if t == nil {
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return
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}
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var deltaIn, deltaOut int
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if dir == network.DirInbound {
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deltaIn = 1
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} else {
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deltaOut = 1
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}
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t.push(TraceEvt{
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Type: TraceBlockAddStreamEvt,
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Name: scope,
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DeltaIn: deltaIn,
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DeltaOut: deltaOut,
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StreamsIn: nstreamsIn,
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StreamsOut: nstreamsOut,
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})
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}
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func (t *trace) RemoveStream(scope string, dir network.Direction, nstreamsIn, nstreamsOut int) {
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if t == nil {
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return
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}
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var deltaIn, deltaOut int
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if dir == network.DirInbound {
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deltaIn = -1
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} else {
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deltaOut = -1
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}
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t.push(TraceEvt{
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Type: TraceRemoveStreamEvt,
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Name: scope,
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DeltaIn: deltaIn,
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DeltaOut: deltaOut,
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StreamsIn: nstreamsIn,
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StreamsOut: nstreamsOut,
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})
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}
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func (t *trace) AddStreams(scope string, deltaIn, deltaOut, nstreamsIn, nstreamsOut int) {
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if t == nil {
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return
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}
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if deltaIn == 0 && deltaOut == 0 {
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return
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}
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t.push(TraceEvt{
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Type: TraceAddStreamEvt,
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Name: scope,
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DeltaIn: deltaIn,
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DeltaOut: deltaOut,
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StreamsIn: nstreamsIn,
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StreamsOut: nstreamsOut,
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})
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|
}
|
||
|
|
||
|
func (t *trace) BlockAddStreams(scope string, deltaIn, deltaOut, nstreamsIn, nstreamsOut int) {
|
||
|
if t == nil {
|
||
|
return
|
||
|
}
|
||
|
|
||
|
if deltaIn == 0 && deltaOut == 0 {
|
||
|
return
|
||
|
}
|
||
|
|
||
|
t.push(TraceEvt{
|
||
|
Type: TraceBlockAddStreamEvt,
|
||
|
Name: scope,
|
||
|
DeltaIn: deltaIn,
|
||
|
DeltaOut: deltaOut,
|
||
|
StreamsIn: nstreamsIn,
|
||
|
StreamsOut: nstreamsOut,
|
||
|
})
|
||
|
}
|
||
|
|
||
|
func (t *trace) RemoveStreams(scope string, deltaIn, deltaOut, nstreamsIn, nstreamsOut int) {
|
||
|
if t == nil {
|
||
|
return
|
||
|
}
|
||
|
|
||
|
if deltaIn == 0 && deltaOut == 0 {
|
||
|
return
|
||
|
}
|
||
|
|
||
|
t.push(TraceEvt{
|
||
|
Type: TraceRemoveStreamEvt,
|
||
|
Name: scope,
|
||
|
DeltaIn: -deltaIn,
|
||
|
DeltaOut: -deltaOut,
|
||
|
StreamsIn: nstreamsIn,
|
||
|
StreamsOut: nstreamsOut,
|
||
|
})
|
||
|
}
|
||
|
|
||
|
func (t *trace) AddConn(scope string, dir network.Direction, usefd bool, nconnsIn, nconnsOut, nfd int) {
|
||
|
if t == nil {
|
||
|
return
|
||
|
}
|
||
|
|
||
|
var deltaIn, deltaOut, deltafd int
|
||
|
if dir == network.DirInbound {
|
||
|
deltaIn = 1
|
||
|
} else {
|
||
|
deltaOut = 1
|
||
|
}
|
||
|
if usefd {
|
||
|
deltafd = 1
|
||
|
}
|
||
|
|
||
|
t.push(TraceEvt{
|
||
|
Type: TraceAddConnEvt,
|
||
|
Name: scope,
|
||
|
DeltaIn: deltaIn,
|
||
|
DeltaOut: deltaOut,
|
||
|
Delta: int64(deltafd),
|
||
|
ConnsIn: nconnsIn,
|
||
|
ConnsOut: nconnsOut,
|
||
|
FD: nfd,
|
||
|
})
|
||
|
}
|
||
|
|
||
|
func (t *trace) BlockAddConn(scope string, dir network.Direction, usefd bool, nconnsIn, nconnsOut, nfd int) {
|
||
|
if t == nil {
|
||
|
return
|
||
|
}
|
||
|
|
||
|
var deltaIn, deltaOut, deltafd int
|
||
|
if dir == network.DirInbound {
|
||
|
deltaIn = 1
|
||
|
} else {
|
||
|
deltaOut = 1
|
||
|
}
|
||
|
if usefd {
|
||
|
deltafd = 1
|
||
|
}
|
||
|
|
||
|
t.push(TraceEvt{
|
||
|
Type: TraceBlockAddConnEvt,
|
||
|
Name: scope,
|
||
|
DeltaIn: deltaIn,
|
||
|
DeltaOut: deltaOut,
|
||
|
Delta: int64(deltafd),
|
||
|
ConnsIn: nconnsIn,
|
||
|
ConnsOut: nconnsOut,
|
||
|
FD: nfd,
|
||
|
})
|
||
|
}
|
||
|
|
||
|
func (t *trace) RemoveConn(scope string, dir network.Direction, usefd bool, nconnsIn, nconnsOut, nfd int) {
|
||
|
if t == nil {
|
||
|
return
|
||
|
}
|
||
|
|
||
|
var deltaIn, deltaOut, deltafd int
|
||
|
if dir == network.DirInbound {
|
||
|
deltaIn = -1
|
||
|
} else {
|
||
|
deltaOut = -1
|
||
|
}
|
||
|
if usefd {
|
||
|
deltafd = -1
|
||
|
}
|
||
|
|
||
|
t.push(TraceEvt{
|
||
|
Type: TraceRemoveConnEvt,
|
||
|
Name: scope,
|
||
|
DeltaIn: deltaIn,
|
||
|
DeltaOut: deltaOut,
|
||
|
Delta: int64(deltafd),
|
||
|
ConnsIn: nconnsIn,
|
||
|
ConnsOut: nconnsOut,
|
||
|
FD: nfd,
|
||
|
})
|
||
|
}
|
||
|
|
||
|
func (t *trace) AddConns(scope string, deltaIn, deltaOut, deltafd, nconnsIn, nconnsOut, nfd int) {
|
||
|
if t == nil {
|
||
|
return
|
||
|
}
|
||
|
|
||
|
if deltaIn == 0 && deltaOut == 0 && deltafd == 0 {
|
||
|
return
|
||
|
}
|
||
|
|
||
|
t.push(TraceEvt{
|
||
|
Type: TraceAddConnEvt,
|
||
|
Name: scope,
|
||
|
DeltaIn: deltaIn,
|
||
|
DeltaOut: deltaOut,
|
||
|
Delta: int64(deltafd),
|
||
|
ConnsIn: nconnsIn,
|
||
|
ConnsOut: nconnsOut,
|
||
|
FD: nfd,
|
||
|
})
|
||
|
}
|
||
|
|
||
|
func (t *trace) BlockAddConns(scope string, deltaIn, deltaOut, deltafd, nconnsIn, nconnsOut, nfd int) {
|
||
|
if t == nil {
|
||
|
return
|
||
|
}
|
||
|
|
||
|
if deltaIn == 0 && deltaOut == 0 && deltafd == 0 {
|
||
|
return
|
||
|
}
|
||
|
|
||
|
t.push(TraceEvt{
|
||
|
Type: TraceBlockAddConnEvt,
|
||
|
Name: scope,
|
||
|
DeltaIn: deltaIn,
|
||
|
DeltaOut: deltaOut,
|
||
|
Delta: int64(deltafd),
|
||
|
ConnsIn: nconnsIn,
|
||
|
ConnsOut: nconnsOut,
|
||
|
FD: nfd,
|
||
|
})
|
||
|
}
|
||
|
|
||
|
func (t *trace) RemoveConns(scope string, deltaIn, deltaOut, deltafd, nconnsIn, nconnsOut, nfd int) {
|
||
|
if t == nil {
|
||
|
return
|
||
|
}
|
||
|
|
||
|
if deltaIn == 0 && deltaOut == 0 && deltafd == 0 {
|
||
|
return
|
||
|
}
|
||
|
|
||
|
t.push(TraceEvt{
|
||
|
Type: TraceRemoveConnEvt,
|
||
|
Name: scope,
|
||
|
DeltaIn: -deltaIn,
|
||
|
DeltaOut: -deltaOut,
|
||
|
Delta: -int64(deltafd),
|
||
|
ConnsIn: nconnsIn,
|
||
|
ConnsOut: nconnsOut,
|
||
|
FD: nfd,
|
||
|
})
|
||
|
}
|