| // Copyright 2021 The Pigweed Authors |
| // |
| // 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 |
| // |
| // https://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. |
| |
| #include "pw_rpc/nanopb/server_reader_writer.h" |
| |
| #include "pw_rpc/nanopb/internal/method.h" |
| |
| namespace pw::rpc::internal { |
| |
| GenericNanopbResponder::GenericNanopbResponder(const CallContext& context, |
| MethodType type) |
| : internal::ServerCall(context, type), |
| serde_(&static_cast<const internal::NanopbMethod&>(context.method()) |
| .serde()) {} |
| |
| Status GenericNanopbResponder::SendClientStreamOrResponse( |
| const void* response, const Status* status) { |
| if (!active()) { |
| return Status::FailedPrecondition(); |
| } |
| |
| std::span<std::byte> payload_buffer = AcquirePayloadBuffer(); |
| |
| // Cast the method to a NanopbMethod. Access the Nanopb |
| // serializer/deserializer object and encode the response with it. |
| StatusWithSize result = serde_->EncodeResponse(response, payload_buffer); |
| |
| if (!result.ok()) { |
| return CloseAndSendServerError(Status::Internal()); |
| } |
| |
| payload_buffer = payload_buffer.first(result.size()); |
| |
| if (status != nullptr) { |
| return CloseAndSendResponse(payload_buffer, *status); |
| } |
| return SendPayloadBufferClientStream(payload_buffer); |
| } |
| |
| } // namespace pw::rpc::internal |