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ircd::net: Split resolve into file.

This commit is contained in:
Jason Volk 2017-12-29 22:42:39 -07:00
parent 35038f3d63
commit 126df4b54a
4 changed files with 225 additions and 196 deletions

View file

@ -49,6 +49,7 @@ namespace ircd::net
}
#include "remote.h"
#include "resolve.h"
#include "listener.h"
enum class ircd::net::dc

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@ -31,7 +31,6 @@ namespace boost::asio::ip
namespace ircd::net
{
struct hostport;
struct resolve;
struct ipport;
struct remote;
@ -98,26 +97,6 @@ struct ircd::net::hostport
friend std::ostream &operator<<(std::ostream &, const hostport &);
};
/// DNS resolution suite.
///
/// There are plenty of ways to resolve plenty of things. Still more to come.
struct ircd::net::resolve
{
using callback_one = std::function<void (std::exception_ptr, const ipport &)>;
using callback_many = std::function<void (std::exception_ptr, vector_view<ipport>)>;
using callback_reverse = std::function<void (std::exception_ptr, std::string)>;
resolve(const hostport &, callback_one);
resolve(const hostport &, callback_many);
resolve(const ipport &, callback_reverse);
resolve(const hostport &, ctx::future<ipport> &);
resolve(const hostport &, ctx::future<std::vector<ipport>> &);
resolve(const vector_view<hostport> &in, const vector_view<ipport> &out);
resolve(const vector_view<ipport> &in, const vector_view<std::string> &out);
};
/// This lightweight structure holds an IP address and port in native byte
/// form. It is usually returned from the result of a resolution but may also
/// serve as input to a reverse resolution. Either way, this allocation-free

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@ -0,0 +1,48 @@
/*
* Copyright (C) 2017 Charybdis Development Team
* Copyright (C) 2017 Jason Volk <jason@zemos.net>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice is present in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
#pragma once
#define HAVE_IRCD_NET_RESOLVE_H
namespace ircd::net
{
struct resolve;
}
/// DNS resolution suite.
///
/// There are plenty of ways to resolve plenty of things. Still more to come.
struct ircd::net::resolve
{
using callback_one = std::function<void (std::exception_ptr, const ipport &)>;
using callback_many = std::function<void (std::exception_ptr, vector_view<ipport>)>;
using callback_reverse = std::function<void (std::exception_ptr, std::string)>;
resolve(const hostport &, callback_one);
resolve(const hostport &, callback_many);
resolve(const ipport &, callback_reverse);
resolve(const hostport &, ctx::future<ipport> &);
resolve(const hostport &, ctx::future<std::vector<ipport>> &);
resolve(const vector_view<hostport> &in, const vector_view<ipport> &out);
resolve(const vector_view<ipport> &in, const vector_view<std::string> &out);
};

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@ -1457,181 +1457,7 @@ ircd::net::string(const mutable_buffer &buf,
///////////////////////////////////////////////////////////////////////////////
//
// net/remote.h
//
//
// host / port utils
//
ircd::string_view
ircd::net::string(const mutable_buffer &buf,
const uint32_t &ip)
{
const auto len
{
ip::address_v4{ip}.to_string().copy(data(buf), size(buf))
};
return { data(buf), size_t(len) };
}
ircd::string_view
ircd::net::string(const mutable_buffer &buf,
const uint128_t &ip)
{
const auto &pun
{
reinterpret_cast<const uint8_t (&)[16]>(ip)
};
const auto &punpun
{
reinterpret_cast<const std::array<uint8_t, 16> &>(pun)
};
const auto len
{
ip::address_v6{punpun}.to_string().copy(data(buf), size(buf))
};
return { data(buf), size_t(len) };
}
ircd::string_view
ircd::net::string(const mutable_buffer &buf,
const hostport &hp)
{
const auto len
{
fmt::sprintf
{
buf, "%s:%s",
hp.host,
hp.portnum? lex_cast(hp.portnum) : hp.port
}
};
return { data(buf), size_t(len) };
}
ircd::string_view
ircd::net::string(const mutable_buffer &buf,
const ipport &ipp)
{
const auto len
{
is_v4(ipp)?
fmt::sprintf(buf, "%s:%u",
ip::address_v4{host4(ipp)}.to_string(),
port(ipp)):
is_v6(ipp)?
fmt::sprintf(buf, "%s:%u",
ip::address_v6{std::get<ipp.IP>(ipp)}.to_string(),
port(ipp)):
0
};
return { data(buf), size_t(len) };
}
ircd::string_view
ircd::net::string(const mutable_buffer &buf,
const remote &remote)
{
const auto &ipp
{
static_cast<const ipport &>(remote)
};
if(!ipp && !remote.hostname)
{
const auto len{strlcpy(data(buf), "0.0.0.0", size(buf))};
return { data(buf), size_t(len) };
}
else if(!ipp)
{
const auto len{strlcpy(data(buf), remote.hostname, size(buf))};
return { data(buf), size_t(len) };
}
else return string(buf, ipp);
}
//
// remote
//
std::ostream &
ircd::net::operator<<(std::ostream &s, const remote &t)
{
char buf[256];
s << string(buf, t);
return s;
}
//
// ipport
//
std::ostream &
ircd::net::operator<<(std::ostream &s, const ipport &t)
{
char buf[256];
s << string(buf, t);
return s;
}
ircd::net::ipport
ircd::net::make_ipport(const boost::asio::ip::tcp::endpoint &ep)
{
return ipport
{
ep.address(), ep.port()
};
}
boost::asio::ip::tcp::endpoint
ircd::net::make_endpoint(const ipport &ipport)
{
return
{
is_v6(ipport)? ip::tcp::endpoint
{
asio::ip::address_v6 { std::get<ipport.IP>(ipport) }, port(ipport)
}
: ip::tcp::endpoint
{
asio::ip::address_v4 { host4(ipport) }, port(ipport)
},
};
}
ircd::net::ipport::ipport(const hostport &hp)
{
ctx::future<ipport> future;
resolve{hp, future};
*this = future.get();
}
ircd::net::ipport::ipport(const boost::asio::ip::address &address,
const uint16_t &port)
{
std::get<TYPE>(*this) = address.is_v6();
if(is_v6(*this))
{
std::get<IP>(*this) = address.to_v6().to_bytes();
std::reverse(std::get<IP>(*this).begin(), std::get<IP>(*this).end());
}
else host4(*this) = address.to_v4().to_ulong();
net::port(*this) = port;
}
//
// resolve
// net/resolve.h
//
namespace ircd::net
@ -1851,6 +1677,181 @@ ircd::net::_resolve(const ipport &ipport,
});
}
///////////////////////////////////////////////////////////////////////////////
//
// net/remote.h
//
//
// host / port utils
//
ircd::string_view
ircd::net::string(const mutable_buffer &buf,
const uint32_t &ip)
{
const auto len
{
ip::address_v4{ip}.to_string().copy(data(buf), size(buf))
};
return { data(buf), size_t(len) };
}
ircd::string_view
ircd::net::string(const mutable_buffer &buf,
const uint128_t &ip)
{
const auto &pun
{
reinterpret_cast<const uint8_t (&)[16]>(ip)
};
const auto &punpun
{
reinterpret_cast<const std::array<uint8_t, 16> &>(pun)
};
const auto len
{
ip::address_v6{punpun}.to_string().copy(data(buf), size(buf))
};
return { data(buf), size_t(len) };
}
ircd::string_view
ircd::net::string(const mutable_buffer &buf,
const hostport &hp)
{
const auto len
{
fmt::sprintf
{
buf, "%s:%s",
hp.host,
hp.portnum? lex_cast(hp.portnum) : hp.port
}
};
return { data(buf), size_t(len) };
}
ircd::string_view
ircd::net::string(const mutable_buffer &buf,
const ipport &ipp)
{
const auto len
{
is_v4(ipp)?
fmt::sprintf(buf, "%s:%u",
ip::address_v4{host4(ipp)}.to_string(),
port(ipp)):
is_v6(ipp)?
fmt::sprintf(buf, "%s:%u",
ip::address_v6{std::get<ipp.IP>(ipp)}.to_string(),
port(ipp)):
0
};
return { data(buf), size_t(len) };
}
ircd::string_view
ircd::net::string(const mutable_buffer &buf,
const remote &remote)
{
const auto &ipp
{
static_cast<const ipport &>(remote)
};
if(!ipp && !remote.hostname)
{
const auto len{strlcpy(data(buf), "0.0.0.0", size(buf))};
return { data(buf), size_t(len) };
}
else if(!ipp)
{
const auto len{strlcpy(data(buf), remote.hostname, size(buf))};
return { data(buf), size_t(len) };
}
else return string(buf, ipp);
}
//
// remote
//
std::ostream &
ircd::net::operator<<(std::ostream &s, const remote &t)
{
char buf[256];
s << string(buf, t);
return s;
}
//
// ipport
//
std::ostream &
ircd::net::operator<<(std::ostream &s, const ipport &t)
{
char buf[256];
s << string(buf, t);
return s;
}
ircd::net::ipport
ircd::net::make_ipport(const boost::asio::ip::tcp::endpoint &ep)
{
return ipport
{
ep.address(), ep.port()
};
}
boost::asio::ip::tcp::endpoint
ircd::net::make_endpoint(const ipport &ipport)
{
return
{
is_v6(ipport)? ip::tcp::endpoint
{
asio::ip::address_v6 { std::get<ipport.IP>(ipport) }, port(ipport)
}
: ip::tcp::endpoint
{
asio::ip::address_v4 { host4(ipport) }, port(ipport)
},
};
}
ircd::net::ipport::ipport(const hostport &hp)
{
ctx::future<ipport> future;
resolve{hp, future};
*this = future.get();
}
ircd::net::ipport::ipport(const boost::asio::ip::address &address,
const uint16_t &port)
{
std::get<TYPE>(*this) = address.is_v6();
if(is_v6(*this))
{
std::get<IP>(*this) = address.to_v6().to_bytes();
std::reverse(std::get<IP>(*this).begin(), std::get<IP>(*this).end());
}
else host4(*this) = address.to_v4().to_ulong();
net::port(*this) = port;
}
//
// hostport
//