5b35fa17de
* add the opentelemetry tracing * fix the error sampler config * 添加stream的链路跟踪 * fix the error field name
49 lines
910 B
Go
49 lines
910 B
Go
package opentelemetry
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import (
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"context"
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"google.golang.org/grpc"
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)
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// serverStream wraps around the embedded grpc.ServerStream, and intercepts the RecvMsg and
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// SendMsg method call.
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type serverStream struct {
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grpc.ServerStream
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ctx context.Context
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receivedMessageID int
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sentMessageID int
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}
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func (w *serverStream) Context() context.Context {
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return w.ctx
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}
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func (w *serverStream) RecvMsg(m interface{}) error {
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err := w.ServerStream.RecvMsg(m)
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if err == nil {
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w.receivedMessageID++
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MessageReceived.Event(w.Context(), w.receivedMessageID, m)
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}
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return err
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}
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func (w *serverStream) SendMsg(m interface{}) error {
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err := w.ServerStream.SendMsg(m)
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w.sentMessageID++
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MessageSent.Event(w.Context(), w.sentMessageID, m)
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return err
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}
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func WrapServerStream(ctx context.Context, ss grpc.ServerStream) *serverStream {
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return &serverStream{
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ServerStream: ss,
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ctx: ctx,
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}
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}
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