mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
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38 lines
920 B
Go
38 lines
920 B
Go
package p2p
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import (
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"context"
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"reflect"
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"time"
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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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)
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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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func (s *Service) Send(ctx context.Context, message interface{}, pid peer.ID) (network.Stream, error) {
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topic := RPCTypeMapping[reflect.TypeOf(message)] + s.Encoding().ProtocolSuffix()
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// TTFB_TIME (5s) + RESP_TIMEOUT (10s).
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ctx, cancel := context.WithTimeout(ctx, 15*time.Second)
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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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return nil, err
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}
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if _, err := s.Encoding().EncodeWithLength(stream, message); err != nil {
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return nil, err
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}
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// Close stream for writing.
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if err := stream.Close(); err != nil {
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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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