add grpc wire

proto/generate.go

@@ -4,4 +4,5 @@ package proto
 //go:generate protoc --go_out=./topo --go_opt=paths=source_relative ./topo.proto
 //go:generate protoc --go_out=./ceos --go_opt=paths=source_relative ./ceos.proto
 //go:generate protoc --go_out=./controller --go-grpc_out=./controller --go-grpc_opt=paths=source_relative --go_opt=paths=source_relative ./controller.proto
+//go:generate protoc --go_out=./wire --go-grpc_out=./wire --go-grpc_opt=paths=source_relative --go_opt=paths=source_relative ./wire.proto
 //go:generate protoc --go_out=./event --go-grpc_out=./event --go-grpc_opt=paths=source_relative --go_opt=paths=source_relative ./event.proto

proto/topo.proto

@@ -43,6 +43,7 @@ enum Vendor {
   OPENCONFIG = 10;
   ALPINE = 11;
   DRIVENETS = 12;
+  EXTERNAL = 13;
 }
 
 // Node is a single container inside the topology

proto/wire.proto

@@ -0,0 +1,27 @@
+// Copyright 2024 Google LLC
+//
+// Licensed 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.
+syntax = "proto3";
+
+package wire;
+
+option go_package = "github.com/openconfig/kne/proto/wire";
+
+// Wire service definition.
+service Wire {
+	rpc Transmit(stream Packet) returns (stream Packet);
+}
+
+message Packet {
+	bytes data = 1;
+}