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construct/ircd/exception.cc
2018-02-05 21:24:34 -08:00

128 lines
2.4 KiB
C++

// 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.
[[noreturn]] static void
ircd_terminate_handler()
noexcept
{
std::abort();
}
void
ircd::aborting()
noexcept
{
std::set_terminate(&ircd_terminate_handler);
}
void
ircd::throw_system_error(const int &code)
{
throw std::system_error(code, std::system_category());
}
std::exception_ptr
ircd::make_system_error(const int &code)
{
return std::make_exception_ptr(std::system_error(code, std::system_category()));
}
ssize_t
ircd::exception::generate(const char *const &fmt,
const va_rtti &ap)
noexcept
{
return fmt::vsnprintf(buf, sizeof(buf), fmt, ap);
}
ssize_t
ircd::exception::generate(const char *const &name,
const char *const &fmt,
const va_rtti &ap)
noexcept
{
size_t size(0);
const bool empty(!fmt || !fmt[0] || fmt[0] == ' ');
size = strlcat(buf, name, sizeof(buf));
size = strlcat(buf, empty? "." : ": ", sizeof(buf));
if(size < sizeof(buf))
size += fmt::vsnprintf(buf + size, sizeof(buf) - size, fmt, ap);
return size;
}
void
ircd::assertion()
noexcept(RB_DEBUG_LEVEL)
{
if(std::uncaught_exceptions())
{
assertion(std::current_exception());
} else {
log::critical("IRCd Assertion without active exception.");
assert(0);
throw assertive{};
}
}
void
ircd::assertion(std::exception_ptr eptr)
noexcept(RB_DEBUG_LEVEL) try
{
std::rethrow_exception(eptr);
}
catch(const std::exception &e)
{
assertion(e);
}
void
ircd::assertion(const std::exception &e)
noexcept(RB_DEBUG_LEVEL)
{
#ifdef RB_DEBUG
terminate(e);
#else
log::critical("IRCd Assertion %s", e.what());
throw e;
#endif
}
void
ircd::terminate()
noexcept
{
terminate(std::current_exception());
}
void
ircd::terminate(std::exception_ptr eptr)
noexcept
{
if(eptr) try
{
std::rethrow_exception(eptr);
}
catch(const std::exception &e)
{
terminate(e);
}
log::critical("IRCd Terminate without exception");
std::terminate();
}
void
ircd::terminate(const std::exception &e)
noexcept
{
log::critical("IRCd Terminated: %s", e.what());
throw e;
}