interfaces.cpp raw

   1  // Copyright (c) 2021-present The Bitcoin Core developers
   2  // Distributed under the MIT software license, see the accompanying
   3  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
   4  
   5  #include <interfaces/echo.h>
   6  #include <interfaces/handler.h>
   7  #include <util/btcsignals.h>
   8  
   9  #include <memory>
  10  #include <utility>
  11  
  12  namespace common {
  13  namespace {
  14  class CleanupHandler : public interfaces::Handler
  15  {
  16  public:
  17      explicit CleanupHandler(std::function<void()> cleanup) : m_cleanup(std::move(cleanup)) {}
  18      ~CleanupHandler() override { if (!m_cleanup) return; m_cleanup(); m_cleanup = nullptr; }
  19      void disconnect() override { if (!m_cleanup) return; m_cleanup(); m_cleanup = nullptr; }
  20      std::function<void()> m_cleanup;
  21  };
  22  
  23  class SignalHandler : public interfaces::Handler
  24  {
  25  public:
  26      explicit SignalHandler(btcsignals::connection connection) : m_connection(std::move(connection)) {}
  27  
  28      void disconnect() override { m_connection.disconnect(); }
  29  
  30      btcsignals::scoped_connection m_connection;
  31  };
  32  
  33  class EchoImpl : public interfaces::Echo
  34  {
  35  public:
  36      std::string echo(const std::string& echo) override { return echo; }
  37  };
  38  } // namespace
  39  } // namespace common
  40  
  41  namespace interfaces {
  42  std::unique_ptr<Handler> MakeCleanupHandler(std::function<void()> cleanup)
  43  {
  44      return std::make_unique<common::CleanupHandler>(std::move(cleanup));
  45  }
  46  
  47  std::unique_ptr<Handler> MakeSignalHandler(btcsignals::connection connection)
  48  {
  49      return std::make_unique<common::SignalHandler>(std::move(connection));
  50  }
  51  
  52  std::unique_ptr<Echo> MakeEcho() { return std::make_unique<common::EchoImpl>(); }
  53  } // namespace interfaces
  54