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39 lines
1.0 KiB
Go
39 lines
1.0 KiB
Go
package opentelemetry
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import (
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"context"
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"go.opentelemetry.io/otel/attribute"
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"go.opentelemetry.io/otel/trace"
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"google.golang.org/protobuf/proto"
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)
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const messageEvent = "message"
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var (
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// MessageSent is the type of sent messages.
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MessageSent = messageType(RPCMessageTypeSent)
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// MessageReceived is the type of received messages.
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MessageReceived = messageType(RPCMessageTypeReceived)
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)
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type messageType attribute.KeyValue
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// Event adds an event of the messageType to the span associated with the
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// passed context with id and size (if message is a proto message).
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func (m messageType) Event(ctx context.Context, id int, message interface{}) {
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span := trace.SpanFromContext(ctx)
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if p, ok := message.(proto.Message); ok {
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span.AddEvent(messageEvent, trace.WithAttributes(
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attribute.KeyValue(m),
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RPCMessageIDKey.Int(id),
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RPCMessageUncompressedSizeKey.Int(proto.Size(p)),
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))
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} else {
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span.AddEvent(messageEvent, trace.WithAttributes(
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attribute.KeyValue(m),
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RPCMessageIDKey.Int(id),
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))
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}
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}
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