text: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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.
   */
  
  #ifndef TESTS_CRT_BUFFER_WRITE_STREAM_H_
  #define TESTS_CRT_BUFFER_WRITE_STREAM_H_
  
  #include <inttypes.h>
  #include <tvm/runtime/crt/rpc_common/frame_buffer.h>
  #include <tvm/runtime/crt/rpc_common/write_stream.h>
  
  using ::tvm::runtime::micro_rpc::FrameBuffer;
  using ::tvm::runtime::micro_rpc::WriteStream;
  
  template <unsigned int N>
  class BufferWriteStream : public WriteStream {
   public:
    ssize_t Write(const uint8_t* data, size_t data_size_bytes) override {
      return buffer_.Write(data, data_size_bytes);
    }
  
    void Reset() {
      buffer_.Clear();
      packet_done_ = false;
    }
  
    inline bool packet_done() { return packet_done_; }
  
    inline bool is_valid() { return is_valid_; }
  
    void PacketDone(bool is_valid) override {
      EXPECT_FALSE(packet_done_);
      packet_done_ = true;
      is_valid_ = is_valid;
    }
  
    std::string BufferContents() { return std::string((const char*)buffer_data_, buffer_.Size()); }
  
    static constexpr unsigned int capacity() { return N; };
  
   private:
    bool packet_done_{false};
    bool is_valid_{false};
    uint8_t buffer_data_[N];
    FrameBuffer buffer_{buffer_data_, N};
  };
  
  #endif  // TESTS_CRT_BUFFER_WRITE_STREAM_H_
  