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ircd::net: Add suite to print a hostname and port or just hostname based on portnum canon.

This commit is contained in:
Jason Volk 2018-03-13 16:49:41 -07:00
parent 368b8c4516
commit cadabb5521
3 changed files with 36 additions and 75 deletions

View file

@ -23,6 +23,8 @@ namespace ircd::net
string_view &host(hostport &);
string_view string(const mutable_buffer &out, const hostport &);
string_view canonize(const mutable_buffer &out, const hostport &, const uint16_t &port = 8448);
std::string canonize(const hostport &, const uint16_t &port = 8448);
}
namespace ircd
@ -94,6 +96,7 @@ inline
ircd::net::hostport::hostport(const string_view &amalgam)
:host
{
//TODO: grammar
rsplit(amalgam, ':').first
}
{

View file

@ -1,75 +0,0 @@
// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2018 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. The
// full license for this software is available in the LICENSE file.
#pragma once
#define HAVE_IRCD_NET_REMOTE_H
namespace ircd::net
{
struct remote;
string_view string(const mutable_buffer &out, const remote &);
}
namespace ircd
{
using net::remote;
}
/// This structure combines features of hostport and ipport to hold a remote's
/// resolved IP in bytes, a port number, and an optional hostname string which
/// may have been used to resolve the IP, or may have been resolved from the
/// IP, or may be used for certificate Common Name verification, or may just
/// be empty, but anyway still has some use in most cases being carried along.
///
struct ircd::net::remote
:ircd::net::ipport
{
std::string hostname;
explicit operator bool() const;
operator hostport() const;
bool operator!() const { return !static_cast<bool>(*this); }
bool resolved() const;
explicit remote(const ipport &ipp)
:ipport{ipp}
{}
explicit remote(const hostport &hostport)
:ipport{uint32_t(0), net::port(hostport)}
,hostname{net::host(hostport)}
{}
remote() = default;
friend std::ostream &operator<<(std::ostream &, const remote &);
};
inline bool
ircd::net::remote::resolved()
const
{
return bool(static_cast<const ipport &>(*this));
}
inline ircd::net::remote::operator
hostport()
const
{
return { hostname, port(*this) };
}
inline ircd::net::remote::operator
bool()
const
{
return resolved() || !hostname.empty();
}

View file

@ -3306,6 +3306,39 @@ ircd::net::operator<<(std::ostream &s, const hostport &t)
return s;
}
std::string
ircd::net::canonize(const hostport &hp,
const uint16_t &port)
{
const size_t len
{
size(host(hp) + 6) // optimistic ':' + portnum
};
return ircd::string(len, [&hp, &port]
(const mutable_buffer &buf)
{
return canonize(buf, hp, port);
});
}
ircd::string_view
ircd::net::canonize(const mutable_buffer &buf,
const hostport &hp,
const uint16_t &port)
{
if(net::port(hp) == 0 || net::port(hp) == port)
return fmt::sprintf
{
buf, "%s", host(hp)
};
return fmt::sprintf
{
buf, "%s:%u", host(hp), net::port(hp)
};
}
ircd::string_view
ircd::net::string(const mutable_buffer &buf,
const hostport &hp)