1 // Copyright 2022 The Android Open Source Project
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //      http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #pragma once
16 #include <string>
17 
18 #include "grpcpp/support/sync_stream.h"
19 #include "netsim/frontend.pb.h"
20 #include "rust/cxx.h"
21 
22 namespace netsim {
23 namespace frontend {
24 
25 /// The C++ definition of the CxxServerResponseWriter interface for CXX.
26 class CxxServerResponseWriter {
27  public:
CxxServerResponseWriter()28   CxxServerResponseWriter() {};
CxxServerResponseWriter(grpc::ServerWriter<netsim::frontend::GetCaptureResponse> * grpc_writer_)29   CxxServerResponseWriter(
30       grpc::ServerWriter<netsim::frontend::GetCaptureResponse> *grpc_writer_) {
31   };
32   virtual ~CxxServerResponseWriter() = default;
33   virtual void put_error(unsigned int error_code,
34                          const std::string &response) const = 0;
35   virtual void put_ok_with_length(const std::string &mime_type,
36                                   std::size_t length) const = 0;
37   virtual void put_chunk(rust::Slice<const uint8_t> chunk) const = 0;
38   virtual void put_ok(const std::string &mime_type,
39                       const std::string &body) const = 0;
40 };
41 
42 }  // namespace frontend
43 }  // namespace netsim
44