| // 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/raw/server_reader_writer.h" |
| |
| #include <cstring> |
| |
| namespace pw::rpc { |
| |
| Status RawServerReaderWriter::Write(ConstByteSpan response) { |
| if (!active()) { |
| return Status::FailedPrecondition(); |
| } |
| |
| if (buffer().Contains(response)) { |
| return SendPayloadBufferClientStream(response); |
| } |
| |
| std::span<std::byte> buffer = AcquirePayloadBuffer(); |
| |
| if (response.size() > buffer.size()) { |
| ReleasePayloadBuffer(); |
| return Status::OutOfRange(); |
| } |
| |
| std::memcpy(buffer.data(), response.data(), response.size()); |
| return SendPayloadBufferClientStream(buffer.first(response.size())); |
| } |
| |
| } // namespace pw::rpc |