error.ipp
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//
// impl/error.ipp
// ~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2020 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef ASIO_IMPL_ERROR_IPP
#define ASIO_IMPL_ERROR_IPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#include <string>
#include "asio/error.hpp"
#include "asio/detail/push_options.hpp"
namespace asio {
namespace error {
#if !defined(ASIO_WINDOWS) && !defined(__CYGWIN__)
namespace detail {
class netdb_category : public asio::error_category
{
public:
const char* name() const ASIO_ERROR_CATEGORY_NOEXCEPT
{
return "asio.netdb";
}
std::string message(int value) const
{
if (value == error::host_not_found)
return "Host not found (authoritative)";
if (value == error::host_not_found_try_again)
return "Host not found (non-authoritative), try again later";
if (value == error::no_data)
return "The query is valid, but it does not have associated data";
if (value == error::no_recovery)
return "A non-recoverable error occurred during database lookup";
return "asio.netdb error";
}
};
} // namespace detail
const asio::error_category& get_netdb_category()
{
static detail::netdb_category instance;
return instance;
}
namespace detail {
class addrinfo_category : public asio::error_category
{
public:
const char* name() const ASIO_ERROR_CATEGORY_NOEXCEPT
{
return "asio.addrinfo";
}
std::string message(int value) const
{
if (value == error::service_not_found)
return "Service not found";
if (value == error::socket_type_not_supported)
return "Socket type not supported";
return "asio.addrinfo error";
}
};
} // namespace detail
const asio::error_category& get_addrinfo_category()
{
static detail::addrinfo_category instance;
return instance;
}
#endif // !defined(ASIO_WINDOWS) && !defined(__CYGWIN__)
namespace detail {
class misc_category : public asio::error_category
{
public:
const char* name() const ASIO_ERROR_CATEGORY_NOEXCEPT
{
return "asio.misc";
}
std::string message(int value) const
{
if (value == error::already_open)
return "Already open";
if (value == error::eof)
return "End of file";
if (value == error::not_found)
return "Element not found";
if (value == error::fd_set_failure)
return "The descriptor does not fit into the select call's fd_set";
return "asio.misc error";
}
};
} // namespace detail
const asio::error_category& get_misc_category()
{
static detail::misc_category instance;
return instance;
}
} // namespace error
} // namespace asio
#include "asio/detail/pop_options.hpp"
#endif // ASIO_IMPL_ERROR_IPP