lnav/src/base/humanize.network.hh
2022-03-25 16:38:11 -07:00

115 lines
3.5 KiB
C++

/**
* Copyright (c) 2021, Timothy Stack
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Timothy Stack 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 REGENTS 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 REGENTS 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.
*/
#ifndef lnav_humanize_network_hh
#define lnav_humanize_network_hh
#include <string>
#include "fmt/format.h"
#include "network.tcp.hh"
#include "optional.hpp"
namespace fmt {
template<>
struct formatter<network::locality> {
constexpr auto parse(format_parse_context& ctx)
{
const auto it = ctx.begin();
const auto end = ctx.end();
// Check if reached the end of the range:
if (it != end && *it != '}') {
throw format_error("invalid format");
}
// Return an iterator past the end of the parsed range:
return it;
}
template<typename FormatContext>
auto format(const network::locality& l, FormatContext& ctx)
{
bool is_ipv6 = l.l_hostname.find(':') != std::string::npos;
return format_to(ctx.out(),
"{}{}{}{}{}",
l.l_username.value_or(std::string()),
l.l_username ? "@" : "",
is_ipv6 ? "[" : "",
l.l_hostname,
is_ipv6 ? "]" : "");
}
};
template<>
struct formatter<network::path> {
constexpr auto parse(format_parse_context& ctx)
{
const auto it = ctx.begin();
const auto end = ctx.end();
// Check if reached the end of the range:
if (it != end && *it != '}') {
throw format_error("invalid format");
}
// Return an iterator past the end of the parsed range:
return it;
}
template<typename FormatContext>
auto format(const network::path& p, FormatContext& ctx)
{
return format_to(
ctx.out(), "{}:{}", p.p_locality, p.p_path == "." ? "" : p.p_path);
}
};
} // namespace fmt
namespace humanize {
namespace network {
namespace path {
nonstd::optional<::network::path> from_str(const char* str);
inline nonstd::optional<::network::path>
from_str(const std::string& str)
{
return from_str(str.c_str());
}
} // namespace path
} // namespace network
} // namespace humanize
#endif