add logger wrapper, fix default logger fields method
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
This commit is contained in:
parent
bbbcb22565
commit
39f66cc86c
@ -49,10 +49,18 @@ func (l *defaultLogger) V(level Level) bool {
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}
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func (l *defaultLogger) Fields(fields map[string]interface{}) Logger {
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l.Lock()
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l.opts.Fields = copyFields(fields)
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l.Unlock()
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return l
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nl := &defaultLogger{opts: l.opts, enc: l.enc}
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nl.opts.Fields = make(map[string]interface{}, len(l.opts.Fields)+len(fields))
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l.RLock()
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for k, v := range l.opts.Fields {
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nl.opts.Fields[k] = v
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}
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l.RUnlock()
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for k, v := range fields {
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nl.opts.Fields[k] = v
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}
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return nl
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}
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func copyFields(src map[string]interface{}) map[string]interface{} {
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@ -153,7 +161,9 @@ func (l *defaultLogger) Log(ctx context.Context, level Level, args ...interface{
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}
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fields["timestamp"] = time.Now().Format("2006-01-02 15:04:05")
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if len(args) > 0 {
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fields["msg"] = fmt.Sprint(args...)
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}
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l.RLock()
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_ = l.enc.Encode(fields)
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@ -178,7 +188,7 @@ func (l *defaultLogger) Logf(ctx context.Context, level Level, msg string, args
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fields["timestamp"] = time.Now().Format("2006-01-02 15:04:05")
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if len(args) > 0 {
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fields["msg"] = fmt.Sprintf(msg, args...)
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} else {
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} else if msg != "" {
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fields["msg"] = msg
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}
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l.RLock()
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330
logger/wrapper/wrapper.go
Normal file
330
logger/wrapper/wrapper.go
Normal file
@ -0,0 +1,330 @@
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// Package wrapper provides wrapper for Tracer
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package wrapper
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import (
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"context"
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"github.com/unistack-org/micro/v3/client"
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"github.com/unistack-org/micro/v3/logger"
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"github.com/unistack-org/micro/v3/server"
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)
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type lWrapper struct {
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client.Client
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serverHandler server.HandlerFunc
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serverSubscriber server.SubscriberFunc
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clientCallFunc client.CallFunc
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opts Options
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}
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type ClientCallObserver func(context.Context, client.Request, interface{}, []client.CallOption, error) []string
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type ClientStreamObserver func(context.Context, client.Request, []client.CallOption, client.Stream, error) []string
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type ClientPublishObserver func(context.Context, client.Message, []client.PublishOption, error) []string
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type ClientCallFuncObserver func(context.Context, string, client.Request, interface{}, client.CallOptions, error) []string
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type ServerHandlerObserver func(context.Context, server.Request, interface{}, error) []string
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type ServerSubscriberObserver func(context.Context, server.Message, error) []string
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type Options struct {
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Logger logger.Logger
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Level logger.Level
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Enabled bool
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ClientCallObservers []ClientCallObserver
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ClientStreamObservers []ClientStreamObserver
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ClientPublishObservers []ClientPublishObserver
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ClientCallFuncObservers []ClientCallFuncObserver
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ServerHandlerObservers []ServerHandlerObserver
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ServerSubscriberObservers []ServerSubscriberObserver
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}
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type Option func(*Options)
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func NewOptions(opts ...Option) Options {
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options := Options{
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Logger: logger.DefaultLogger,
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Level: logger.TraceLevel,
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ClientCallObservers: []ClientCallObserver{DefaultClientCallObserver},
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ClientStreamObservers: []ClientStreamObserver{DefaultClientStreamObserver},
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ClientPublishObservers: []ClientPublishObserver{DefaultClientPublishObserver},
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ClientCallFuncObservers: []ClientCallFuncObserver{DefaultClientCallFuncObserver},
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ServerHandlerObservers: []ServerHandlerObserver{DefaultServerHandlerObserver},
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ServerSubscriberObservers: []ServerSubscriberObserver{DefaultServerSubscriberObserver},
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}
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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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func WithEnabled(b bool) Option {
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return func(o *Options) {
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o.Enabled = b
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}
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}
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func WithLevel(l logger.Level) Option {
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return func(o *Options) {
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o.Level = l
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}
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}
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func WithLogger(l logger.Logger) Option {
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return func(o *Options) {
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o.Logger = l
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}
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}
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func WithClientCallObservers(ob ...ClientCallObserver) Option {
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return func(o *Options) {
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o.ClientCallObservers = ob
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}
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}
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func WithClientStreamObservers(ob ...ClientStreamObserver) Option {
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return func(o *Options) {
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o.ClientStreamObservers = ob
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}
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}
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func WithClientPublishObservers(ob ...ClientPublishObserver) Option {
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return func(o *Options) {
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o.ClientPublishObservers = ob
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}
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}
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func WithClientCallFuncObservers(ob ...ClientCallFuncObserver) Option {
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return func(o *Options) {
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o.ClientCallFuncObservers = ob
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}
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}
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func WithServerHandlerObservers(ob ...ServerHandlerObserver) Option {
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return func(o *Options) {
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o.ServerHandlerObservers = ob
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}
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}
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func WithServerSubscriberObservers(ob ...ServerSubscriberObserver) Option {
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return func(o *Options) {
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o.ServerSubscriberObservers = ob
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}
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}
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func DefaultClientCallObserver(ctx context.Context, req client.Request, rsp interface{}, opts []client.CallOption, err error) []string {
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labels := []string{"service", req.Service(), "endpoint", req.Endpoint()}
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if err != nil {
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labels = append(labels, "error", err.Error())
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}
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return labels
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}
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func DefaultClientStreamObserver(ctx context.Context, req client.Request, opts []client.CallOption, stream client.Stream, err error) []string {
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labels := []string{"service", req.Service(), "endpoint", req.Endpoint()}
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if err != nil {
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labels = append(labels, "error", err.Error())
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}
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return labels
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}
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func DefaultClientPublishObserver(ctx context.Context, msg client.Message, opts []client.PublishOption, err error) []string {
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labels := []string{"endpoint", msg.Topic()}
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if err != nil {
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labels = append(labels, "error", err.Error())
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}
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return labels
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}
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func DefaultServerHandlerObserver(ctx context.Context, req server.Request, rsp interface{}, err error) []string {
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labels := []string{"service", req.Service(), "endpoint", req.Endpoint()}
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if err != nil {
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labels = append(labels, "error", err.Error())
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}
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return labels
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}
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func DefaultServerSubscriberObserver(ctx context.Context, msg server.Message, err error) []string {
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labels := []string{"endpoint", msg.Topic()}
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if err != nil {
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labels = append(labels, "error", err.Error())
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}
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return labels
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}
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func DefaultClientCallFuncObserver(ctx context.Context, addr string, req client.Request, rsp interface{}, opts client.CallOptions, err error) []string {
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labels := []string{"service", req.Service(), "endpoint", req.Endpoint()}
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if err != nil {
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labels = append(labels, "error", err.Error())
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}
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return labels
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}
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func (l *lWrapper) Call(ctx context.Context, req client.Request, rsp interface{}, opts ...client.CallOption) error {
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err := l.Client.Call(ctx, req, rsp, opts...)
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if !l.opts.Enabled {
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return err
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}
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var labels []string
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for _, o := range l.opts.ClientCallObservers {
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labels = append(labels, o(ctx, req, rsp, opts, err)...)
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}
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fields := make(map[string]interface{}, int(len(labels)/2))
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for i := 0; i < len(labels); i += 2 {
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fields[labels[i]] = labels[i+1]
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}
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l.opts.Logger.Fields(fields).Log(ctx, l.opts.Level)
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return err
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}
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func (l *lWrapper) Stream(ctx context.Context, req client.Request, opts ...client.CallOption) (client.Stream, error) {
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stream, err := l.Client.Stream(ctx, req, opts...)
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if !l.opts.Enabled {
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return stream, err
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}
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var labels []string
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for _, o := range l.opts.ClientStreamObservers {
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labels = append(labels, o(ctx, req, opts, stream, err)...)
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}
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fields := make(map[string]interface{}, int(len(labels)/2))
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for i := 0; i < len(labels); i += 2 {
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fields[labels[i]] = labels[i+1]
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}
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l.opts.Logger.Fields(fields).Log(ctx, l.opts.Level)
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return stream, err
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}
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func (l *lWrapper) Publish(ctx context.Context, msg client.Message, opts ...client.PublishOption) error {
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err := l.Client.Publish(ctx, msg, opts...)
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if !l.opts.Enabled {
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return err
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}
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var labels []string
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for _, o := range l.opts.ClientPublishObservers {
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labels = append(labels, o(ctx, msg, opts, err)...)
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}
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fields := make(map[string]interface{}, int(len(labels)/2))
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for i := 0; i < len(labels); i += 2 {
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fields[labels[i]] = labels[i+1]
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}
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l.opts.Logger.Fields(fields).Log(ctx, l.opts.Level)
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return err
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}
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func (l *lWrapper) ServerHandler(ctx context.Context, req server.Request, rsp interface{}) error {
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err := l.serverHandler(ctx, req, rsp)
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if !l.opts.Enabled {
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return err
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}
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var labels []string
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for _, o := range l.opts.ServerHandlerObservers {
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labels = append(labels, o(ctx, req, rsp, err)...)
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}
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fields := make(map[string]interface{}, int(len(labels)/2))
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for i := 0; i < len(labels); i += 2 {
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fields[labels[i]] = labels[i+1]
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}
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l.opts.Logger.Fields(fields).Log(ctx, l.opts.Level)
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return err
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}
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func (l *lWrapper) ServerSubscriber(ctx context.Context, msg server.Message) error {
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err := l.serverSubscriber(ctx, msg)
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if !l.opts.Enabled {
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return err
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}
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var labels []string
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for _, o := range l.opts.ServerSubscriberObservers {
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labels = append(labels, o(ctx, msg, err)...)
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}
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fields := make(map[string]interface{}, int(len(labels)/2))
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for i := 0; i < len(labels); i += 2 {
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fields[labels[i]] = labels[i+1]
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}
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l.opts.Logger.Fields(fields).Log(ctx, l.opts.Level)
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return err
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}
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// NewClientWrapper accepts an open tracing Trace and returns a Client Wrapper
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func NewClientWrapper(opts ...Option) client.Wrapper {
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return func(c client.Client) client.Client {
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options := NewOptions()
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for _, o := range opts {
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o(&options)
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}
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return &lWrapper{opts: options, Client: c}
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}
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}
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// NewClientCallWrapper accepts an opentracing Tracer and returns a Call Wrapper
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func NewClientCallWrapper(opts ...Option) client.CallWrapper {
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return func(h client.CallFunc) client.CallFunc {
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options := NewOptions()
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for _, o := range opts {
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o(&options)
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}
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l := &lWrapper{opts: options, clientCallFunc: h}
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return l.ClientCallFunc
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}
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}
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func (l *lWrapper) ClientCallFunc(ctx context.Context, addr string, req client.Request, rsp interface{}, opts client.CallOptions) error {
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err := l.clientCallFunc(ctx, addr, req, rsp, opts)
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if !l.opts.Enabled {
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return err
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}
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var labels []string
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for _, o := range l.opts.ClientCallFuncObservers {
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labels = append(labels, o(ctx, addr, req, rsp, opts, err)...)
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}
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fields := make(map[string]interface{}, int(len(labels)/2))
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for i := 0; i < len(labels); i += 2 {
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fields[labels[i]] = labels[i+1]
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}
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l.opts.Logger.Fields(fields).Log(ctx, l.opts.Level)
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return err
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}
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// NewServerHandlerWrapper accepts an options and returns a Handler Wrapper
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func NewServerHandlerWrapper(opts ...Option) server.HandlerWrapper {
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return func(h server.HandlerFunc) server.HandlerFunc {
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options := NewOptions()
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for _, o := range opts {
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o(&options)
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}
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l := &lWrapper{opts: options, serverHandler: h}
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return l.ServerHandler
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}
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}
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// NewServerSubscriberWrapper accepts an opentracing Tracer and returns a Subscriber Wrapper
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func NewServerSubscriberWrapper(opts ...Option) server.SubscriberWrapper {
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return func(h server.SubscriberFunc) server.SubscriberFunc {
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options := NewOptions()
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for _, o := range opts {
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o(&options)
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}
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l := &lWrapper{opts: options, serverSubscriber: h}
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return l.ServerSubscriber
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}
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}
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