mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
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9935ca3733
* add tracing * monitoring pkg * move prom * Add client stats Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
68 lines
1.9 KiB
Go
68 lines
1.9 KiB
Go
package p2p
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import (
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"context"
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ssz "github.com/ferranbt/fastssz"
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"github.com/kr/pretty"
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"github.com/libp2p/go-libp2p-core/network"
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"github.com/libp2p/go-libp2p-core/peer"
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"github.com/libp2p/go-libp2p-core/protocol"
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"github.com/pkg/errors"
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"github.com/prysmaticlabs/prysm/monitoring/tracing"
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"github.com/sirupsen/logrus"
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"go.opencensus.io/trace"
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)
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// Send a message to a specific peer. The returned stream may be used for reading, but has been
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// closed for writing.
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//
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// When done, the caller must Close or Reset on the stream.
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func (s *Service) Send(ctx context.Context, message interface{}, baseTopic string, pid peer.ID) (network.Stream, error) {
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ctx, span := trace.StartSpan(ctx, "p2p.Send")
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defer span.End()
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if err := VerifyTopicMapping(baseTopic, message); err != nil {
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return nil, err
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}
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topic := baseTopic + s.Encoding().ProtocolSuffix()
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span.AddAttributes(trace.StringAttribute("topic", topic))
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log.WithFields(logrus.Fields{
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"topic": topic,
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"request": pretty.Sprint(message),
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}).Tracef("Sending RPC request to peer %s", pid.String())
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// Apply max dial timeout when opening a new stream.
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ctx, cancel := context.WithTimeout(ctx, maxDialTimeout)
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defer cancel()
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stream, err := s.host.NewStream(ctx, pid, protocol.ID(topic))
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if err != nil {
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tracing.AnnotateError(span, err)
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return nil, err
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}
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// do not encode anything if we are sending a metadata request
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if baseTopic != RPCMetaDataTopicV1 && baseTopic != RPCMetaDataTopicV2 {
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castedMsg, ok := message.(ssz.Marshaler)
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if !ok {
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return nil, errors.Errorf("%T does not support the ssz marshaller interface", message)
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}
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if _, err := s.Encoding().EncodeWithMaxLength(stream, castedMsg); err != nil {
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tracing.AnnotateError(span, err)
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_err := stream.Reset()
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_ = _err
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return nil, err
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}
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}
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// Close stream for writing.
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if err := stream.CloseWrite(); err != nil {
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tracing.AnnotateError(span, err)
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_err := stream.Reset()
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_ = _err
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return nil, err
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}
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return stream, nil
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}
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