signal-scoped-connection.cpp

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
#include "signal-scoped-connection.hpp"

namespace ndn {
namespace util {
namespace signal {

#if NDN_CXX_HAVE_IS_NOTHROW_MOVE_CONSTRUCTIBLE
static_assert(std::is_nothrow_move_constructible<ScopedConnection>::value,
              "ScopedConnection must be MoveConstructible with noexcept");
#endif // NDN_CXX_HAVE_IS_NOTHROW_MOVE_CONSTRUCTIBLE

ScopedConnection::ScopedConnection()
{
}

ScopedConnection::ScopedConnection(const Connection& connection)
  : m_connection(connection)
{
}

ScopedConnection::ScopedConnection(ScopedConnection&& other) noexcept
  : m_connection(other.m_connection)
{
  other.release();
}

ScopedConnection&
ScopedConnection::operator=(const Connection& connection)
{
  if (m_connection != connection) {
    m_connection.disconnect();
    m_connection = connection;
  }
  return *this;
}

ScopedConnection::~ScopedConnection() noexcept
{
  m_connection.disconnect();
}

void
ScopedConnection::disconnect()
{
  m_connection.disconnect();
}

bool
ScopedConnection::isConnected() const
{
  return m_connection.isConnected();
}

void
ScopedConnection::release()
{
  m_connection = {};
}

} // namespace signal
} // namespace util
} // namespace ndn