Github user trkurc commented on a diff in the pull request:
https://github.com/apache/nifi/pull/1947#discussion_r124172585
--- Diff:
nifi-nar-bundles/nifi-grpc-bundle/nifi-grpc-processors/src/main/resources/proto/grpc.proto
---
@@ -0,0 +1,57 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements. See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License. You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// NOTE: you may need to add the sources generated when running `maven
clean compile` to your IDE
+// configured source directories. Otherwise, the classes generated when
the proto is compiled won't
+// be accessible. For IntelliJ, open this module's settings and mark the
following as source directories:
+//
+// * target/generated-sources/protobuf/grpc-java
+// * target/generated-sources/protobuf/java
+
+syntax = "proto3";
+
+option java_multiple_files = true;
+option java_package = "org.apache.nifi.processors.grpc";
+option java_outer_classname = "GRPCProto";
+option objc_class_prefix = "grpc";
+
+package org.apache.nifi.processors.grpc;
+
+// The FlowFile service definition.
+service FlowFileService {
+ // Sends a FlowFile (blocking rpc)
+ rpc Send (FlowFileRequest) returns (FlowFileReply) {}
+}
+
+// The request message
+message FlowFileRequest {
+ // tags 1-15 require one byte to encode and should be left for
commonly occurring tags.
+ // For that reason, tags 3-14 are left available.
+ int64 id = 1;
+ map<string, string> attributes = 2;
+ bytes content = 15;
--- End diff --
should this byte count be bounded?
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