pekko/stream/src/main/protobuf/StreamRefMessages.proto
2023-06-22 14:19:26 +01:00

61 lines
1.3 KiB
Protocol Buffer

/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* license agreements; and to You under the Apache License, version 2.0:
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* This file is part of the Apache Pekko project, which was derived from Akka.
*/
/*
* Copyright (C) 2009-2022 Lightbend Inc. <https://www.lightbend.com>
*/
syntax = "proto2";
option java_package = "org.apache.pekko.stream";
option optimize_for = SPEED;
/*************************************************
StreamRefs (SourceRef / SinkRef) related formats
**************************************************/
message SinkRef {
required ActorRef targetRef = 1;
}
message SourceRef {
required ActorRef originRef = 1;
}
message ActorRef {
required string path = 1;
}
message Payload {
required bytes enclosedMessage = 1;
required int32 serializerId = 2;
optional bytes messageManifest = 3;
}
// stream refs protocol
message OnSubscribeHandshake {
required ActorRef targetRef = 1;
}
message CumulativeDemand {
required int64 seqNr = 1;
}
message SequencedOnNext {
required int64 seqNr = 1;
required Payload payload = 2;
}
message RemoteStreamFailure {
optional bytes cause = 1;
}
message RemoteStreamCompleted {
required int64 seqNr = 1;
}