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3rdparty/spdlog-1.9.2/include/spdlog/sinks/ostream_sink.h 1.22 KB
3d2ab595   Hu Chunming   支持gb28181
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  // Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
  // Distributed under the MIT License (http://opensource.org/licenses/MIT)
  
  #pragma once
  
  #include <spdlog/details/null_mutex.h>
  #include <spdlog/sinks/base_sink.h>
  
  #include <mutex>
  #include <ostream>
  
  namespace spdlog {
  namespace sinks {
  template<typename Mutex>
  class ostream_sink final : public base_sink<Mutex>
  {
  public:
      explicit ostream_sink(std::ostream &os, bool force_flush = false)
          : ostream_(os)
          , force_flush_(force_flush)
      {}
      ostream_sink(const ostream_sink &) = delete;
      ostream_sink &operator=(const ostream_sink &) = delete;
  
  protected:
      void sink_it_(const details::log_msg &msg) override
      {
          memory_buf_t formatted;
          base_sink<Mutex>::formatter_->format(msg, formatted);
          ostream_.write(formatted.data(), static_cast<std::streamsize>(formatted.size()));
          if (force_flush_)
          {
              ostream_.flush();
          }
      }
  
      void flush_() override
      {
          ostream_.flush();
      }
  
      std::ostream &ostream_;
      bool force_flush_;
  };
  
  using ostream_sink_mt = ostream_sink<std::mutex>;
  using ostream_sink_st = ostream_sink<details::null_mutex>;
  
  } // namespace sinks
  } // namespace spdlog