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vendor/google.golang.org/grpc/stats/grpc_testing/test.proto

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+syntax = "proto3";
+
+package grpc.testing;
+
+message SimpleRequest {
+  int32 id = 2;
+}
+
+message SimpleResponse {
+  int32 id = 3;
+}
+
+// A simple test service.
+service TestService {
+  // One request followed by one response.
+  // The server returns the client id as-is.
+  rpc UnaryCall(SimpleRequest) returns (SimpleResponse);
+
+  // A sequence of requests with each request served by the server immediately.
+  // As one request could lead to multiple responses, this interface
+  // demonstrates the idea of full duplexing.
+  rpc FullDuplexCall(stream SimpleRequest) returns (stream SimpleResponse);
+}