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/*
* This file is part of PowerDNS or dnsdist.
* Copyright -- PowerDNS.COM B.V. and its contributors
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* In addition, for the avoidance of any doubt, permission is granted to
* link this program with OpenSSL and to (re)distribute the binaries
* produced as the result of such linking.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <algorithm>
#include <stdexcept>
#include "dnsdist-protocols.hh"
namespace dnsdist
{
const std::array<std::string, Protocol::s_numberOfProtocols> Protocol::s_names = {
"DoUDP",
"DoTCP",
"DNSCryptUDP",
"DNSCryptTCP",
"DoT",
"DoH",
"DoQ",
"DoH3"};
const std::array<std::string, Protocol::s_numberOfProtocols> Protocol::s_prettyNames = {
"Do53 UDP",
"Do53 TCP",
"DNSCrypt UDP",
"DNSCrypt TCP",
"DNS over TLS",
"DNS over HTTPS",
"DNS over QUIC",
"DNS over HTTP/3"};
Protocol::Protocol(const std::string& s)
{
const auto& it = std::find(s_names.begin(), s_names.end(), s);
if (it == s_names.end()) {
throw std::runtime_error("Unknown protocol name: '" + s + "'");
}
auto index = std::distance(s_names.begin(), it);
d_protocol = static_cast<Protocol::typeenum>(index);
}
bool Protocol::operator==(Protocol::typeenum type) const
{
return d_protocol == type;
}
bool Protocol::operator!=(Protocol::typeenum type) const
{
return d_protocol != type;
}
const std::string& Protocol::toString() const
{
return s_names.at(static_cast<uint8_t>(d_protocol));
}
const std::string& Protocol::toPrettyString() const
{
return s_prettyNames.at(static_cast<uint8_t>(d_protocol));
}
bool Protocol::isUDP() const
{
return d_protocol == DoUDP || d_protocol == DNSCryptUDP;
}
bool Protocol::isEncrypted() const
{
return d_protocol != DoUDP && d_protocol != DoTCP;
}
uint8_t Protocol::toNumber() const
{
return static_cast<uint8_t>(d_protocol);
}
}
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