mirror of
https://github.com/matrix-construct/construct
synced 2024-08-22 01:24:53 +02:00
742 lines
14 KiB
C++
742 lines
14 KiB
C++
// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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#include <RB_INC_SYS_RESOURCE_H
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#include <RB_INC_UNISTD_H
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#include <RB_INC_CPUID_H
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#include <RB_INC_GNU_LIBC_VERSION_H
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namespace ircd::info
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{
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static void dump_cpu_info();
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}
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decltype(ircd::info::credits)
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ircd::info::credits
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{
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"Inspired by the original Internet Relay Chat daemon from Jarkko Oikarinen",
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" ",
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"This - is The Construct",
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" ",
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"Internet Relay Chat daemon: Matrix Construct",
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" ",
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"Copyright (C) 2016-2018 Matrix Construct Developers, Authors & Contributors",
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"Permission to use, copy, modify, and/or distribute this software for any",
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"purpose with or without fee is hereby granted, provided that the above",
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"copyright notice and this permission notice is present in all copies.",
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" ",
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nullptr
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};
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void
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ircd::info::dump()
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{
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// This message flashes information about IRCd itself for this execution.
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log::info
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{
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"%s configured: %s; compiled: %s; executed: %s; %s",
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BRANDING_VERSION,
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configured,
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compiled,
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startup,
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RB_DEBUG_LEVEL? "(DEBUG MODE)" : ""
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};
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// This message flashes information about our API dependencies from compile time.
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log::info
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{
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"SD-6 %s. glibcxx %s. glibc %s. boost %s. RocksDB %s. sodium %s. %s. magic %ld.",
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string_view{sd6_version},
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string_view{glibcxx_version_api},
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string_view{glibc_version_api},
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string_view{boost_version_api},
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string_view{db::version_api},
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string_view{nacl::version_api},
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string_view{openssl::version_api},
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long(magic::version_api),
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};
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// This message flashes information about our ABI dependencies on this system.
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log::info
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{
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"Linked: glibc %s. boost %s. RocksDB %s. sodium %s. %s. magic %ld.",
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string_view{glibc_version_abi},
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string_view{boost_version_abi},
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string_view{db::version_abi},
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string_view{nacl::version_abi},
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string_view{openssl::version_abi},
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long(magic::version_abi),
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};
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// This message flashes posix information about the system and platform IRCd
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// is running on when ::uname() is available
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#ifdef HAVE_SYS_UTSNAME_H
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log::info
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{
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"%s %s %s %s %s",
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utsname.sysname,
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utsname.nodename,
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utsname.release,
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utsname.version,
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utsname.machine
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};
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#endif
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// This message flashes posix information about the resource limits
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log::debug
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{
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"AS=%lu DATA=%lu RSS=%lu NOFILE=%lu; RTTIME=%lu"
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" page_size=%zu iov_max=%zu aio_max=%zu aio_reqprio_max=%zu",
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rlimit_as,
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rlimit_data,
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rlimit_rss,
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rlimit_nofile,
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rlimit_rttime,
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page_size,
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iov_max,
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aio_max,
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aio_reqprio_max,
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};
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dump_cpu_info();
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}
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//
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// Version registry
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//
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template<>
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decltype(ircd::util::instance_list<ircd::info::versions>::allocator)
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ircd::util::instance_list<ircd::info::versions>::allocator
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{};
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template<>
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decltype(ircd::util::instance_list<ircd::info::versions>::list)
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ircd::util::instance_list<ircd::info::versions>::list
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{
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allocator
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};
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/// Straightforward construction of versions members; string is copied
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/// into member buffer with null termination.
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ircd::info::versions::versions(const string_view &name,
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const enum type &type,
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const long &monotonic,
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const std::array<long, 3> &semantic,
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const string_view &string)
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:versions
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{
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name, type, monotonic, semantic, [&string]
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(auto &that, const mutable_buffer &buf)
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{
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strlcpy(buf, string);
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}
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}
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{
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}
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/// Construction of versions members with closure for custom string generation.
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/// The version string must be stored into buffer with null termination.
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ircd::info::versions::versions(const string_view &name,
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const enum type &type,
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const long &monotonic,
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const std::array<long, 3> &semantic,
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const std::function<void (versions &, const mutable_buffer &)> &closure)
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:name{name}
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,type{type}
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,monotonic{monotonic}
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,semantic{semantic}
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,string{'\0'}
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{
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closure(*this, this->string);
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// User provided a string already; nothing else to do
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if(strnlen(this->string, sizeof(this->string)) != 0)
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return;
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// Generate a string from the semantic version number or if all zeroes
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// from the monotonic version number instead.
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if(!this->semantic[0] && !this->semantic[1] && !this->semantic[2])
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::snprintf(this->string, sizeof(this->string), "%ld",
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this->monotonic);
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else
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::snprintf(this->string, sizeof(this->string), "%ld.%ld.%ld",
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this->semantic[0],
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this->semantic[1],
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this->semantic[2]);
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}
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//
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// Primary information
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//
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decltype(ircd::info::server_agent)
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ircd::info::server_agent
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{
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BRANDING_NAME " (IRCd " BRANDING_VERSION ")"
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};
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decltype(ircd::info::user_agent)
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ircd::info::user_agent
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{
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BRANDING_NAME " (IRCd " BRANDING_VERSION ")"
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};
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decltype(ircd::info::version)
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ircd::info::version
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{
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RB_VERSION
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};
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decltype(ircd::info::name)
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ircd::info::name
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{
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PACKAGE_NAME
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};
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extern "C" const char *const
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ircd_version
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{
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RB_VERSION
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};
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extern "C" const char *const
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ircd_name
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{
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PACKAGE_NAME
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};
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//
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// Third party dependency information
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//
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//
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// System information
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//
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#ifdef HAVE_SYS_UTSNAME_H
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decltype(ircd::info::utsname)
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ircd::info::utsname{[]
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{
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struct ::utsname utsname;
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syscall(::uname, &utsname);
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return utsname;
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}()};
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#endif
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//
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// kernel
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//
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decltype(ircd::info::kernel_name)
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ircd::info::kernel_name
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{
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#ifdef HAVE_SYS_UTSNAME_H
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utsname.sysname
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#endif
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};
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decltype(ircd::info::kernel_release)
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ircd::info::kernel_release
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{
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#ifdef HAVE_SYS_UTSNAME_H
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utsname.release
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#endif
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};
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decltype(ircd::info::kernel_version)
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ircd::info::kernel_version
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{
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"kernel", versions::ABI, 0,
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{
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[] // major
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{
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const auto str(split(kernel_release, '.').first);
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return try_lex_cast<int>(str)?
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lex_cast<int>(str):
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0;
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}(),
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[] // minor
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{
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auto str(split(kernel_release, '.').second);
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str = split(str, '.').first;
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return try_lex_cast<int>(str)?
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lex_cast<int>(str):
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0;
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}(),
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0 // patch
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},
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[](auto &that, const auto &buf)
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{
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::snprintf(data(buf), size(buf), "%s %s",
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utsname.sysname,
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utsname.release);
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}
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};
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//
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// gnuc
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//
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decltype(ircd::info::gnuc_version)
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ircd::info::gnuc_version
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{
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"gnuc", versions::API, 0,
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{
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#if defined(__GNUC__)
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__GNUC__,
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#endif
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#if defined(__GNUC_MINOR__)
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__GNUC_MINOR__,
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#endif
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#if defined(__GNUC_PATCHLEVEL__)
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__GNUC_PATCHLEVEL__,
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#endif
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},
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#if defined(__VERSION__)
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__VERSION__
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#endif
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};
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//
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// clang
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//
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decltype(ircd::info::clang_version)
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ircd::info::clang_version
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{
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"clang", versions::API, 0,
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{
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#if defined(__clang_major__)
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__clang_major__,
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#endif
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#if defined(__clang_minor__)
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__clang_minor__,
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#endif
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#if defined(__clang_patchlevel__)
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__clang_patchlevel__,
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#endif
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},
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#if defined(__clang_version__)
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__clang_version__
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#endif
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};
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//
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// glibc
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//
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decltype(ircd::info::glibc_version_api)
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ircd::info::glibc_version_api
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{
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"glibc", versions::API, 0,
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{
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#if defined(__GNU_LIBRARY__)
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__GNU_LIBRARY__,
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#endif
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#if defined(__GLIBC__)
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__GLIBC__,
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#endif
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#if defined(__GLIBC_MINOR__)
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__GLIBC_MINOR__,
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#endif
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},
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};
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decltype(ircd::info::glibc_version_abi)
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ircd::info::glibc_version_abi
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{
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"glibc", versions::ABI, 0, {0},
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#if defined(HAVE_GNU_LIBC_VERSION_H)
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::gnu_get_libc_version()
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#endif
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};
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//
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// glibcxx
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//
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decltype(ircd::info::glibcxx_version_api)
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ircd::info::glibcxx_version_api
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{
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"glibcxx", versions::API,
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#if defined(__GLIBCXX__)
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__GLIBCXX__
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#endif
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};
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//
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// sd6
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//
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decltype(ircd::info::sd6_version)
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ircd::info::sd6_version
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{
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"SD-6", versions::API, __cplusplus
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};
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//
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// System information
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//
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#ifdef HAVE_SYS_RESOURCE_H
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static uint64_t
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_get_rlimit(const int &resource)
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{
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rlimit rlim;
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ircd::syscall(getrlimit, resource, &rlim);
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return rlim.rlim_cur;
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}
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#else
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static uint64_t
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_get_rlimit(const int &resource)
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{
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return 0;
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}
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#endif
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decltype(ircd::info::rlimit_rttime)
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ircd::info::rlimit_rttime
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{
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#ifdef RLIMIT_RTTIME
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_get_rlimit(RLIMIT_RTTIME)
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#endif
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};
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decltype(ircd::info::rlimit_nofile)
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ircd::info::rlimit_nofile
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{
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#ifdef RLIMIT_NOFILE
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_get_rlimit(RLIMIT_NOFILE)
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#endif
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};
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decltype(ircd::info::rlimit_rss)
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ircd::info::rlimit_rss
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{
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#ifdef RLIMIT_RSS
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_get_rlimit(RLIMIT_RSS)
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#endif
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};
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decltype(ircd::info::rlimit_data)
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ircd::info::rlimit_data
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{
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#ifdef RLIMIT_DATA
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_get_rlimit(RLIMIT_DATA)
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#endif
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};
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decltype(ircd::info::rlimit_as)
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ircd::info::rlimit_as
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{
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#ifdef RLIMIT_AS
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_get_rlimit(RLIMIT_AS)
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#endif
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};
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#ifdef _SC_CLK_TCK
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decltype(ircd::info::clk_tck)
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ircd::info::clk_tck
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{
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size_t(syscall(::sysconf, _SC_CLK_TCK))
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};
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#else
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decltype(ircd::info::clk_tck)
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ircd::info::clk_tck
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{
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1 // prevent #DE
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};
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#endif
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decltype(ircd::info::aio_reqprio_max)
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ircd::info::aio_reqprio_max
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{
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#ifdef _SC_AIO_PRIO_DELTA_MAX
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size_t(syscall(::sysconf, _SC_AIO_PRIO_DELTA_MAX))
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#endif
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};
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decltype(ircd::info::aio_max)
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ircd::info::aio_max
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{
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#ifdef _SC_AIO_MAX
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0 //size_t(syscall(::sysconf, _SC_AIO_MAX))
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#endif
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};
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decltype(ircd::info::iov_max)
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ircd::info::iov_max
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{
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#ifdef _SC_IOV_MAX
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size_t(syscall(::sysconf, _SC_IOV_MAX))
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#endif
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};
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decltype(ircd::info::page_size)
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ircd::info::page_size
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{
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#ifdef _SC_PAGESIZE
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size_t(syscall(::sysconf, _SC_PAGESIZE))
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#endif
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};
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//
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// Platform information
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//
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decltype(ircd::info::constructive_interference)
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ircd::info::constructive_interference
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{
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#ifdef __cpp_lib_hardware_interference_size
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std::hardware_constructive_interference_size
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#else
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0
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#endif
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};
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decltype(ircd::info::destructive_interference)
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ircd::info::destructive_interference
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{
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#ifdef __cpp_lib_hardware_interference_size
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std::hardware_destructive_interference_size
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#else
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0
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#endif
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};
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decltype(ircd::info::hardware_concurrency)
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ircd::info::hardware_concurrency
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{
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std::thread::hardware_concurrency()
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};
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decltype(ircd::info::max_align)
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ircd::info::max_align
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{
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alignof(std::max_align_t)
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};
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|
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#ifdef __x86_64__
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static ircd::uint128_t
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get_cpuid(const uint &leaf,
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const uint &subleaf)
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{
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using ircd::uint128_t;
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uint32_t reg[4];
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asm volatile
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(
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"cpuid" "\n\t"
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: "=a" (reg[0]),
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"=b" (reg[1]),
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"=c" (reg[2]),
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"=d" (reg[3])
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: "0" (leaf),
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"2" (subleaf)
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);
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return uint128_t
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{
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(uint128_t(reg[3]) << 96) | // edx
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(uint128_t(reg[2]) << 64) | // ecx
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(uint128_t(reg[1]) << 32) | // ebx
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(uint128_t(reg[0]) << 0) // eax
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};
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}
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#else
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static ircd::uint128_t
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get_cpuid(const uint &leaf,
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const uint &subleaf)
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{
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return 0;
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}
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#endif
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decltype(ircd::info::cpuid)
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ircd::info::cpuid
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{
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get_cpuid(0x00000000U, 0),
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get_cpuid(0x00000001U, 0),
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get_cpuid(0x00000007U, 0),
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0UL,
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get_cpuid(0x80000000U, 0),
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get_cpuid(0x80000001U, 0),
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get_cpuid(0x80000007U, 0), // ACPI
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get_cpuid(0x8000001CU, 0), // AMD Vol.2 13.4.3.3 (LWP)
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};
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|
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static char
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_cpuvendor_[12];
|
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|
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decltype(ircd::info::cpuvendor)
|
|
ircd::info::cpuvendor{[&]
|
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{
|
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const auto b
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|
{
|
|
reinterpret_cast<const uint8_t *>(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
|
|
};
|