oxen-core/src/net/error.cpp

92 lines
3.3 KiB
C++

// Copyright (c) 2019, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "error.h"
#include <string>
namespace
{
struct net_category : std::error_category
{
net_category() noexcept
: std::error_category()
{}
const char* name() const noexcept override
{
return "net::error_category";
}
std::string message(int value) const override
{
switch (net::error(value))
{
case net::error::expected_tld:
return "Expected top-level domain";
case net::error::invalid_host:
return "Host value is not valid";
case net::error::invalid_i2p_address:
return "Invalid I2P address";
case net::error::invalid_port:
return "Invalid port value (expected 0-65535)";
case net::error::invalid_tor_address:
return "Invalid Tor address";
case net::error::unsupported_address:
return "Network address not supported";
default:
break;
}
return "Unknown net::error";
}
std::error_condition default_error_condition(int value) const noexcept override
{
switch (net::error(value))
{
case net::error::invalid_port:
return std::errc::result_out_of_range;
case net::error::expected_tld:
case net::error::invalid_tor_address:
default:
break;
}
return std::error_condition{value, *this};
}
};
} // anonymous
namespace net
{
std::error_category const& error_category() noexcept
{
static const net_category instance{};
return instance;
}
}