// Matrix Construct // // Copyright (C) Matrix Construct Developers, Authors & Contributors // Copyright (C) 2016-2018 Jason Volk // // 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 decltype(ircd::util::instance_list::allocator) ircd::util::instance_list::allocator {}; template<> decltype(ircd::util::instance_list::list) ircd::util::instance_list::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 &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 &semantic, const std::function &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(str)? lex_cast(str): 0; }(), [] // minor { auto str(split(kernel_release, '.').second); str = split(str, '.').first; return try_lex_cast(str)? lex_cast(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_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 }; // // Platform information // decltype(ircd::info::constructive_interference) ircd::info::constructive_interference { #ifdef __cpp_lib_hardware_interference_size std::hardware_constructive_interference_size #else 0 #endif }; decltype(ircd::info::destructive_interference) ircd::info::destructive_interference { #ifdef __cpp_lib_hardware_interference_size std::hardware_destructive_interference_size #else 0 #endif }; decltype(ircd::info::hardware_concurrency) ircd::info::hardware_concurrency { std::thread::hardware_concurrency() }; decltype(ircd::info::max_align) ircd::info::max_align { alignof(std::max_align_t) }; #ifdef __x86_64__ static ircd::uint128_t get_cpuid(const uint &leaf, const uint &subleaf) { using ircd::uint128_t; 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 static ircd::uint128_t get_cpuid(const uint &leaf, const uint &subleaf) { return 0; } #endif decltype(ircd::info::cpuid) ircd::info::cpuid { get_cpuid(0x00000000U, 0), get_cpuid(0x00000001U, 0), get_cpuid(0x00000007U, 0), 0UL, get_cpuid(0x80000000U, 0), get_cpuid(0x80000001U, 0), get_cpuid(0x80000007U, 0), // ACPI get_cpuid(0x8000001CU, 0), // AMD Vol.2 13.4.3.3 (LWP) }; static char _cpuvendor_[12]; decltype(ircd::info::cpuvendor) ircd::info::cpuvendor{[] { const auto b { reinterpret_cast(cpuid.data()) }; _cpuvendor_[0] = b[4]; _cpuvendor_[1] = b[5]; _cpuvendor_[2] = b[6]; _cpuvendor_[3] = b[7]; _cpuvendor_[4] = b[12]; _cpuvendor_[5] = b[13]; _cpuvendor_[6] = b[14]; _cpuvendor_[7] = b[15]; _cpuvendor_[8] = b[8]; _cpuvendor_[9] = b[9]; _cpuvendor_[10] = b[10]; _cpuvendor_[11] = b[11]; return string_view { _cpuvendor_, sizeof(_cpuvendor_) }; }()}; void ircd::info::dump_cpu_info() { // This message flashes standard information about the system and platform // IRCd is compiled for and running on. log::debug { "cpu[%s] max_align=%zu hw_conc=%zu d_inter=%zu c_inter=%zu", cpuvendor, max_align, hardware_concurrency, destructive_interference, constructive_interference, }; log::debug { "0..00 [%08x|%08x|%08x|%08x] " "0..01 [%08x|%08x|%08x|%08x]", uint32_t(cpuid[0]), uint32_t(cpuid[0] >> 32), uint32_t(cpuid[0] >> 64), uint32_t(cpuid[0] >> 96), uint32_t(cpuid[1]), uint32_t(cpuid[1] >> 32), uint32_t(cpuid[1] >> 64), uint32_t(cpuid[1] >> 96), }; log::debug { "0..07 [%08x|%08x|%08x|%08x] " "0..00 [%08x|%08x|%08x|%08x]", uint32_t(cpuid[2]), uint32_t(cpuid[2] >> 32), uint32_t(cpuid[2] >> 64), uint32_t(cpuid[2] >> 96), uint32_t(cpuid[3]), uint32_t(cpuid[3] >> 32), uint32_t(cpuid[3] >> 64), uint32_t(cpuid[3] >> 96), }; log::debug { "8..00 [%08x|%08x|%08x|%08x] " "8..01 [%08x|%08x|%08x|%08x]", uint32_t(cpuid[4]), uint32_t(cpuid[4] >> 32), uint32_t(cpuid[4] >> 64), uint32_t(cpuid[4] >> 96), uint32_t(cpuid[5]), uint32_t(cpuid[5] >> 32), uint32_t(cpuid[5] >> 64), uint32_t(cpuid[5] >> 96), }; log::debug { "8..07 [%08x|%08x|%08x|%08x] " "8..1C [%08x|%08x|%08x|%08x]", uint32_t(cpuid[6]), uint32_t(cpuid[6] >> 32), uint32_t(cpuid[6] >> 64), uint32_t(cpuid[6] >> 96), uint32_t(cpuid[7]), uint32_t(cpuid[7] >> 32), uint32_t(cpuid[7] >> 64), uint32_t(cpuid[7] >> 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 };