84 lines
2.3 KiB
C++
84 lines
2.3 KiB
C++
/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* Copyright 2019 Danny Robson <danny@nerdcruft.net>
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*/
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#include "sysinfo.hpp"
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#include "win32/windows.hpp"
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#include "win32/except.hpp"
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#include <ostream>
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///////////////////////////////////////////////////////////////////////////////
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std::ostream&
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cruft::util::operator<< (std::ostream &os, sysinfo const &)
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{
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os << "{ ";
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{
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OSVERSIONINFO version {};
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version.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);
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if (!GetVersionExA (&version))
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win32::error::throw_code ();
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os << "os: { name: win32"
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<< ", version: " << +version.dwMajorVersion << '.'
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<< +version.dwMinorVersion << '.'
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<< +version.dwPlatformId
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<< "}";
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}
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DWORD size = 0;
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std::string name;
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{
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if (0 == GetComputerNameExA (ComputerNamePhysicalNetBIOS, nullptr, &size)) {
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auto const code = win32::error::last_code ();
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if (code != ERROR_MORE_DATA)
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win32::error::throw_code (code);
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}
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name.resize (size);
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if (0 == GetComputerNameExA (ComputerNamePhysicalNetBIOS, &name[0], &size))
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win32::error::throw_code ();
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name.resize (size);
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os << ", hostname: " << name;
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}
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{
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size = 0;
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if (0 == GetUserNameA (nullptr, &size)) {
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auto const code = win32::error::last_code ();
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if (code != ERROR_INSUFFICIENT_BUFFER)
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win32::error::throw_code (code);
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}
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name.resize (size);
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if (0 == GetUserNameA (&name[0], &size))
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win32::error::throw_code ();
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// Remove the provided trailing null terminator
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name.resize (size - 1);
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os << ", username: " << name;
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}
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{
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MEMORYSTATUSEX status {};
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status.dwLength = sizeof (status);
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if (0 == GlobalMemoryStatusEx (&status))
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win32::error::throw_code ();
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os << ", ram: { total: " << status.ullTotalPhys << ", available: " << status.ullAvailPhys << " },";
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};
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return os << " }";
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}
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