text: /*
   *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
   *
   *  Use of this source code is governed by a BSD-style license
   *  that can be found in the LICENSE file in the root of the source
   *  tree. An additional intellectual property rights grant can be found
   *  in the file PATENTS.  All contributing project authors may
   *  be found in the AUTHORS file in the root of the source tree.
   */
  
  #ifndef MODULES_AUDIO_CODING_NETEQ_TEST_RESULT_SINK_H_
  #define MODULES_AUDIO_CODING_NETEQ_TEST_RESULT_SINK_H_
  
  #include <cstdio>
  #include <memory>
  #include <string>
  
  #include "api/neteq/neteq.h"
  #include "modules/rtp_rtcp/include/rtcp_statistics.h"
  #include "rtc_base/message_digest.h"
  
  namespace webrtc {
  
  class ResultSink {
   public:
    explicit ResultSink(const std::string& output_file);
    ~ResultSink();
  
    template <typename T>
    void AddResult(const T* test_results, size_t length);
  
    void AddResult(const NetEqNetworkStatistics& stats);
    void AddResult(const RtcpStatistics& stats);
  
    void VerifyChecksum(const std::string& ref_check_sum);
  
   private:
    FILE* output_fp_;
    std::unique_ptr<rtc::MessageDigest> digest_;
  };
  
  template <typename T>
  void ResultSink::AddResult(const T* test_results, size_t length) {
    if (output_fp_) {
      ASSERT_EQ(length, fwrite(test_results, sizeof(T), length, output_fp_));
    }
    digest_->Update(test_results, sizeof(T) * length);
  }
  
  }  // namespace webrtc
  #endif  // MODULES_AUDIO_CODING_NETEQ_TEST_RESULT_SINK_H_
  