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construct/ircd/info.cc

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// 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.
#include <RB_INC_SYS_RESOURCE_H
#include <RB_INC_UNISTD_H
#include <RB_INC_CPUID_H
#include <RB_INC_GNU_LIBC_VERSION_H
namespace ircd::info
{
static void dump_cpu_info();
}
decltype(ircd::info::credits)
ircd::info::credits
{
"Inspired by the original Internet Relay Chat daemon from Jarkko Oikarinen",
" ",
"This - is The Construct",
" ",
"Internet Relay Chat daemon: Matrix Construct",
" ",
"Copyright (C) 2016-2018 Matrix Construct Developers, Authors & Contributors",
"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.",
" ",
nullptr
};
void
ircd::info::dump()
{
// This message flashes information about IRCd itself for this execution.
log::info
{
log::star, "%s %s configured: %s; compiled: %s; executed: %s; %s",
BRANDING_NAME,
BRANDING_VERSION,
configured,
compiled,
startup,
RB_DEBUG_LEVEL? "(DEBUG MODE)" : ""
};
// This message flashes information about our API dependencies from compile time.
log::info
{
log::star, "SD-6 %s. glibcxx %s. glibc %s. boost %s. RocksDB %s. sodium %s. %s. magic %ld.",
string_view{sd6_version},
string_view{glibcxx_version_api},
string_view{glibc_version_api},
string_view{boost_version_api},
string_view{db::version_api},
string_view{nacl::version_api},
string_view{openssl::version_api},
long(magic::version_api),
};
// This message flashes information about our ABI dependencies on this system.
log::info
{
log::star, "Linked: glibc %s. boost %s. RocksDB %s. sodium %s. %s. magic %ld.",
string_view{glibc_version_abi},
string_view{boost_version_abi},
string_view{db::version_abi},
string_view{nacl::version_abi},
string_view{openssl::version_abi},
long(magic::version_abi),
};
#ifdef RB_DEBUG
log::logf
{
log::star, log::DEBUG,
"page_size=%zu iov_max=%zu aio_max=%zu aio_reqprio_max=%zu",
page_size,
iov_max,
aio_max,
aio_reqprio_max,
};
#endif
// This message flashes posix information about the system and platform IRCd
// is running on when ::uname() is available
#ifdef HAVE_SYS_UTSNAME_H
log::info
{
log::star, "%s %s %s %s %s",
utsname.sysname,
utsname.nodename,
utsname.release,
utsname.version,
utsname.machine
};
#endif
// This message flashes posix information about the resource limits
#ifdef RB_DEBUG
log::logf
{
log::star, log::DEBUG,
"rlimit AS=%lu DATA=%lu RSS=%lu NOFILE=%lu RTTIME=%lu MEMLOCK=%lu",
rlimit_as,
rlimit_data,
rlimit_rss,
rlimit_nofile,
rlimit_rttime,
rlimit_memlock,
};
#endif
dump_cpu_info();
}
//
// Version registry
//
template<>
decltype(ircd::util::instance_list<ircd::info::versions>::allocator)
ircd::util::instance_list<ircd::info::versions>::allocator
{};
template<>
decltype(ircd::util::instance_list<ircd::info::versions>::list)
ircd::util::instance_list<ircd::info::versions>::list
{
allocator
};
/// Straightforward construction of versions members; string is copied
/// into member buffer with null termination.
ircd::info::versions::versions(const string_view &name,
const enum type &type,
const long &monotonic,
const std::array<long, 3> &semantic,
const string_view &string)
:versions
{
name, type, monotonic, semantic, [&string]
(auto &that, const mutable_buffer &buf)
{
strlcpy(buf, string);
}
}
{
}
/// Construction of versions members with closure for custom string generation.
/// The version string must be stored into buffer with null termination.
ircd::info::versions::versions(const string_view &name,
const enum type &type,
const long &monotonic,
const std::array<long, 3> &semantic,
const std::function<void (versions &, const mutable_buffer &)> &closure)
:name{name}
,type{type}
,monotonic{monotonic}
,semantic{semantic}
,string{'\0'}
{
closure(*this, this->string);
// User provided a string already; nothing else to do
if(strnlen(this->string, sizeof(this->string)) != 0)
return;
// Generate a string from the semantic version number or if all zeroes
// from the monotonic version number instead.
if(!this->semantic[0] && !this->semantic[1] && !this->semantic[2])
::snprintf(this->string, sizeof(this->string), "%ld",
this->monotonic);
else
::snprintf(this->string, sizeof(this->string), "%ld.%ld.%ld",
this->semantic[0],
this->semantic[1],
this->semantic[2]);
}
// Required for instance_list template instantiation.
ircd::info::versions::~versions()
noexcept
{
}
//
// Primary information
//
decltype(ircd::info::server_agent)
ircd::info::server_agent
{
BRANDING_NAME " (IRCd " BRANDING_VERSION ")"
};
decltype(ircd::info::user_agent)
ircd::info::user_agent
{
BRANDING_NAME " (IRCd " BRANDING_VERSION ")"
};
decltype(ircd::info::version)
ircd::info::version
{
RB_VERSION
};
decltype(ircd::info::name)
ircd::info::name
{
PACKAGE_NAME
};
extern "C" const char *const
ircd_version
{
RB_VERSION
};
extern "C" const char *const
ircd_name
{
PACKAGE_NAME
};
//
// Third party dependency information
//
//
// System information
//
#ifdef HAVE_SYS_UTSNAME_H
decltype(ircd::info::utsname)
ircd::info::utsname{[]
{
struct ::utsname utsname;
syscall(::uname, &utsname);
return utsname;
}()};
#endif
//
// kernel
//
decltype(ircd::info::kernel_name)
ircd::info::kernel_name
{
#ifdef HAVE_SYS_UTSNAME_H
utsname.sysname
#endif
};
decltype(ircd::info::kernel_release)
ircd::info::kernel_release
{
#ifdef HAVE_SYS_UTSNAME_H
utsname.release
#endif
};
decltype(ircd::info::kernel_version)
ircd::info::kernel_version
{
"kernel", versions::ABI, 0,
{
[] // major
{
const auto str(split(kernel_release, '.').first);
return try_lex_cast<int>(str)?
lex_cast<int>(str):
0;
}(),
[] // minor
{
auto str(split(kernel_release, '.').second);
str = split(str, '.').first;
return try_lex_cast<int>(str)?
lex_cast<int>(str):
0;
}(),
0 // patch
},
[](auto &that, const auto &buf)
{
::snprintf(data(buf), size(buf), "%s %s",
utsname.sysname,
utsname.release);
}
};
//
// gnuc
//
decltype(ircd::info::gnuc_version)
ircd::info::gnuc_version
{
"gnuc", versions::API, 0,
{
#if defined(__GNUC__)
__GNUC__,
#endif
#if defined(__GNUC_MINOR__)
__GNUC_MINOR__,
#endif
#if defined(__GNUC_PATCHLEVEL__)
__GNUC_PATCHLEVEL__,
#endif
},
#if defined(__VERSION__)
__VERSION__
#endif
};
//
// clang
//
decltype(ircd::info::clang_version)
ircd::info::clang_version
{
"clang", versions::API, 0,
{
#if defined(__clang_major__)
__clang_major__,
#endif
#if defined(__clang_minor__)
__clang_minor__,
#endif
#if defined(__clang_patchlevel__)
__clang_patchlevel__,
#endif
},
#if defined(__clang_version__)
__clang_version__
#endif
};
//
// glibc
//
decltype(ircd::info::glibc_version_api)
ircd::info::glibc_version_api
{
"glibc", versions::API, 0,
{
#if defined(__GNU_LIBRARY__)
__GNU_LIBRARY__,
#endif
#if defined(__GLIBC__)
__GLIBC__,
#endif
#if defined(__GLIBC_MINOR__)
__GLIBC_MINOR__,
#endif
},
};
decltype(ircd::info::glibc_version_abi)
ircd::info::glibc_version_abi
{
"glibc", versions::ABI, 0, {0},
#if defined(HAVE_GNU_LIBC_VERSION_H)
::gnu_get_libc_version()
#endif
};
//
// glibcxx
//
decltype(ircd::info::glibcxx_version_api)
ircd::info::glibcxx_version_api
{
"glibcxx", versions::API,
#if defined(__GLIBCXX__)
__GLIBCXX__
#endif
};
//
// sd6
//
decltype(ircd::info::sd6_version)
ircd::info::sd6_version
{
"SD-6", versions::API, __cplusplus
};
//
// System information
//
#ifdef HAVE_SYS_RESOURCE_H
static uint64_t
_get_rlimit(const int &resource)
{
rlimit rlim;
ircd::syscall(getrlimit, resource, &rlim);
return rlim.rlim_cur;
}
#else
static uint64_t
_get_rlimit(const int &resource)
{
return 0;
}
#endif
decltype(ircd::info::rlimit_memlock)
ircd::info::rlimit_memlock
{
#ifdef RLIMIT_MEMLOCK
_get_rlimit(RLIMIT_MEMLOCK)
#endif
};
decltype(ircd::info::rlimit_rttime)
ircd::info::rlimit_rttime
{
#ifdef RLIMIT_RTTIME
_get_rlimit(RLIMIT_RTTIME)
#endif
};
decltype(ircd::info::rlimit_nofile)
ircd::info::rlimit_nofile
{
#ifdef RLIMIT_NOFILE
_get_rlimit(RLIMIT_NOFILE)
#endif
};
decltype(ircd::info::rlimit_rss)
ircd::info::rlimit_rss
{
#ifdef RLIMIT_RSS
_get_rlimit(RLIMIT_RSS)
#endif
};
decltype(ircd::info::rlimit_data)
ircd::info::rlimit_data
{
#ifdef RLIMIT_DATA
_get_rlimit(RLIMIT_DATA)
#endif
};
decltype(ircd::info::rlimit_as)
ircd::info::rlimit_as
{
#ifdef RLIMIT_AS
_get_rlimit(RLIMIT_AS)
#endif
};
#ifdef _SC_CLK_TCK
decltype(ircd::info::clk_tck)
ircd::info::clk_tck
{
size_t(syscall(::sysconf, _SC_CLK_TCK))
};
#else
decltype(ircd::info::clk_tck)
ircd::info::clk_tck
{
1 // prevent #DE
};
#endif
decltype(ircd::info::aio_reqprio_max)
ircd::info::aio_reqprio_max
{
#ifdef _SC_AIO_PRIO_DELTA_MAX
size_t(syscall(::sysconf, _SC_AIO_PRIO_DELTA_MAX))
#endif
};
decltype(ircd::info::aio_max)
ircd::info::aio_max
{
#ifdef _SC_AIO_MAX
0 //size_t(syscall(::sysconf, _SC_AIO_MAX))
#endif
};
decltype(ircd::info::iov_max)
ircd::info::iov_max
{
#ifdef _SC_IOV_MAX
size_t(syscall(::sysconf, _SC_IOV_MAX))
#endif
};
decltype(ircd::info::page_size)
ircd::info::page_size
{
#ifdef _SC_PAGESIZE
size_t(syscall(::sysconf, _SC_PAGESIZE))
#endif
};
//
// Hardware
//
decltype(ircd::info::hardware::max_align)
ircd::info::hardware::max_align
{
alignof(std::max_align_t)
};
decltype(ircd::info::hardware::hardware_concurrency)
ircd::info::hardware::hardware_concurrency
{
std::thread::hardware_concurrency()
};
decltype(ircd::info::hardware::destructive_interference)
ircd::info::hardware::destructive_interference
{
#ifdef __cpp_lib_hardware_interference_size
std::hardware_destructive_interference_size
#else
0
#endif
};
decltype(ircd::info::hardware::constructive_interference)
ircd::info::hardware::constructive_interference
{
#ifdef __cpp_lib_hardware_interference_size
std::hardware_constructive_interference_size
#else
0
#endif
};
//
// x86::x86
//
decltype(ircd::info::hardware::x86::manufact)
ircd::info::hardware::x86::manufact
{
cpuid(0x00000000U, 0),
};
decltype(ircd::info::hardware::x86::features)
ircd::info::hardware::x86::features
{
cpuid(0x00000001U, 0)
};
decltype(ircd::info::hardware::x86::extended_features)
ircd::info::hardware::x86::extended_features
{
cpuid(0x00000007U, 0)
};
decltype(ircd::info::hardware::x86::_manufact)
ircd::info::hardware::x86::_manufact
{
cpuid(0x80000000U, 0),
};
decltype(ircd::info::hardware::x86::_features)
ircd::info::hardware::x86::_features
{
cpuid(0x80000001U, 0)
};
decltype(ircd::info::hardware::x86::_apmi)
ircd::info::hardware::x86::_apmi
{
cpuid(0x80000007U, 0)
};
decltype(ircd::info::hardware::x86::_lwp)
ircd::info::hardware::x86::_lwp
{
cpuid(0x8000001CU, 0)
};
static char
ircd_info_hardware_x86_vendor[16];
decltype(ircd::info::hardware::x86::vendor)
ircd::info::hardware::x86::vendor{[]
{
char *const out{ircd_info_hardware_x86_vendor};
const auto in{reinterpret_cast<const uint8_t *>(&manufact)};
out[0] = in[4]; out[1] = in[5]; out[2] = in[6]; out[3] = in[7];
out[4] = in[12]; out[5] = in[13]; out[6] = in[14]; out[7] = in[15];
out[8] = in[8]; out[9] = in[9]; out[10] = in[10]; out[11] = in[11];
return string_view
{
ircd_info_hardware_x86_vendor
};
}()};
decltype(ircd::info::hardware::x86::mmx)
ircd::info::hardware::x86::mmx
{
bool(features & (uint128_t(1) << (96 + 23)))
};
decltype(ircd::info::hardware::x86::sse)
ircd::info::hardware::x86::sse
{
bool(features & (uint128_t(1) << (96 + 26)))
};
decltype(ircd::info::hardware::x86::sse2)
ircd::info::hardware::x86::sse2
{
bool(features & (uint128_t(1) << (96 + 0)))
};
decltype(ircd::info::hardware::x86::sse3)
ircd::info::hardware::x86::sse3
{
bool(features & (uint128_t(1) << (64 + 0)))
};
decltype(ircd::info::hardware::x86::ssse3)
ircd::info::hardware::x86::ssse3
{
bool(features & (uint128_t(1) << (64 + 9)))
};
decltype(ircd::info::hardware::x86::sse4_1)
ircd::info::hardware::x86::sse4_1
{
bool(features & (uint128_t(1) << (64 + 19)))
};
decltype(ircd::info::hardware::x86::sse4_2)
ircd::info::hardware::x86::sse4_2
{
bool(features & (uint128_t(1) << (64 + 20)))
};
decltype(ircd::info::hardware::x86::avx)
ircd::info::hardware::x86::avx
{
bool(features & (uint128_t(1) << (64 + 28)))
};
decltype(ircd::info::hardware::x86::avx2)
ircd::info::hardware::x86::avx2
{
bool(features & (uint128_t(1) << (32 + 5)))
};
#ifdef __x86_64__
ircd::uint128_t
ircd::info::hardware::x86::cpuid(const uint &leaf,
const uint &subleaf)
{
uint32_t reg[4];
asm volatile
(
"cpuid" "\n\t"
: "=a" (reg[0]),
"=b" (reg[1]),
"=c" (reg[2]),
"=d" (reg[3])
: "0" (leaf),
"2" (subleaf)
);
return uint128_t
{
(uint128_t(reg[3]) << 96) | // edx
(uint128_t(reg[2]) << 64) | // ecx
(uint128_t(reg[1]) << 32) | // ebx
(uint128_t(reg[0]) << 0) // eax
};
}
#else
ircd::uint128_t
ircd::info::hardware::x86::cpuid(const uint &leaf,
const uint &subleaf)
{
return 0;
}
#endif
void
ircd::info::dump_cpu_info()
{
// This message flashes hardware standard information about this platform
#if defined(__i386__) or defined(__x86_64__)
log::info
{
log::star, "%s mmx:%b sse:%b sse2:%b sse3:%b ssse3:%b sse4.1:%b sse4.2:%b avx:%b avx2:%b",
hardware::x86::vendor,
hardware::x86::mmx,
hardware::x86::sse,
hardware::x86::sse2,
hardware::x86::sse3,
hardware::x86::ssse3,
hardware::x86::sse4_1,
hardware::x86::sse4_2,
hardware::x86::avx,
hardware::x86::avx2,
};
#endif
// This message flashes language standard information about this platform
#ifdef RB_DEBUG
log::logf
{
log::star, log::DEBUG,
"max_align=%zu hw_conc=%zu d_inter=%zu c_inter=%zu",
hardware::max_align,
hardware::hardware_concurrency,
hardware::destructive_interference,
hardware::constructive_interference,
};
#endif
if(!ircd::debugmode)
return;
log::debug
{
log::star,
"0..00 STD MANUFAC [%08x|%08x|%08x|%08x] "
"0..01 STD FEATURE [%08x|%08x|%08x|%08x]",
uint32_t(hardware::x86::manufact >> 0),
uint32_t(hardware::x86::manufact >> 32),
uint32_t(hardware::x86::manufact >> 64),
uint32_t(hardware::x86::manufact >> 96),
uint32_t(hardware::x86::features >> 0),
uint32_t(hardware::x86::features >> 32),
uint32_t(hardware::x86::features >> 64),
uint32_t(hardware::x86::features >> 96),
};
log::debug
{
log::star,
"8..00 EXT MANUFAC [%08x|%08x|%08x|%08x] "
"8..01 EXT FEATURE [%08x|%08x|%08x|%08x]",
uint32_t(hardware::x86::_manufact >> 0),
uint32_t(hardware::x86::_manufact >> 32),
uint32_t(hardware::x86::_manufact >> 64),
uint32_t(hardware::x86::_manufact >> 96),
uint32_t(hardware::x86::_features >> 0),
uint32_t(hardware::x86::_features >> 32),
uint32_t(hardware::x86::_features >> 64),
uint32_t(hardware::x86::_features >> 96),
};
log::debug
{
log::star,
"8..07 EXT APMI [%08x|%08x|%08x|%08x] "
"8..1C EXT LWPROF [%08x|%08x|%08x|%08x]",
uint32_t(hardware::x86::_apmi >> 0),
uint32_t(hardware::x86::_apmi >> 32),
uint32_t(hardware::x86::_apmi >> 64),
uint32_t(hardware::x86::_apmi >> 96),
uint32_t(hardware::x86::_lwp >> 0),
uint32_t(hardware::x86::_lwp >> 32),
uint32_t(hardware::x86::_lwp >> 64),
uint32_t(hardware::x86::_lwp >> 96),
};
}
//
// Build information
//
decltype(ircd::info::startup)
ircd::info::startup
{
rstrip(ctime(&startup_time), '\n')
};
decltype(ircd::info::compiled)
ircd::info::compiled
{
__TIMESTAMP__
};
decltype(ircd::info::configured)
ircd::info::configured
{
rstrip(ctime(&configured_time), '\n')
};
decltype(ircd::info::startup_time)
ircd::info::startup_time
{
std::time(nullptr)
};
decltype(ircd::info::configured_time)
ircd::info::configured_time
{
RB_TIME_CONFIGURED
};
decltype(ircd::info::commit)
ircd::info::commit
{
RB_VERSION_COMMIT
};
decltype(ircd::info::branch)
ircd::info::branch
{
RB_VERSION_BRANCH
};
decltype(ircd::info::tag)
ircd::info::tag
{
RB_VERSION_TAG
};
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