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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/sys_info.h"
#include <windows.h>
#include "base/file_path.h"
#include "base/logging.h"
#include "base/memory/scoped_ptr.h"
#include "base/stringprintf.h"
#include "base/win/windows_version.h"
namespace base {
// static
int SysInfo::NumberOfProcessors() {
return win::OSInfo::GetInstance()->processors();
}
// static
int64 SysInfo::AmountOfPhysicalMemory() {
MEMORYSTATUSEX memory_info;
memory_info.dwLength = sizeof(memory_info);
if (!GlobalMemoryStatusEx(&memory_info)) {
NOTREACHED();
return 0;
}
int64 rv = static_cast<int64>(memory_info.ullTotalPhys);
if (rv < 0)
rv = kint64max;
return rv;
}
// static
int64 SysInfo::AmountOfFreeDiskSpace(const FilePath& path) {
ULARGE_INTEGER available, total, free;
if (!GetDiskFreeSpaceExW(path.value().c_str(), &available, &total, &free)) {
return -1;
}
int64 rv = static_cast<int64>(available.QuadPart);
if (rv < 0)
rv = kint64max;
return rv;
}
// static
std::string SysInfo::OperatingSystemName() {
return "Windows NT";
}
// static
std::string SysInfo::OperatingSystemVersion() {
win::OSInfo* os_info = win::OSInfo::GetInstance();
win::OSInfo::VersionNumber version_number = os_info->version_number();
std::string version(StringPrintf("%d.%d", version_number.major,
version_number.minor));
win::OSInfo::ServicePack service_pack = os_info->service_pack();
if (service_pack.major != 0) {
version += StringPrintf(" SP%d", service_pack.major);
if (service_pack.minor != 0)
version += StringPrintf(".%d", service_pack.minor);
}
return version;
}
// TODO: Implement OperatingSystemVersionComplete, which would include
// patchlevel/service pack number.
// See chrome/browser/ui/views/bug_report_view.cc, BugReportView::SetOSVersion.
// static
std::string SysInfo::CPUArchitecture() {
// TODO: Make this vary when we support any other architectures.
return "x86";
}
// static
void SysInfo::GetPrimaryDisplayDimensions(int* width, int* height) {
if (width)
*width = GetSystemMetrics(SM_CXSCREEN);
if (height)
*height = GetSystemMetrics(SM_CYSCREEN);
}
// static
int SysInfo::DisplayCount() {
return GetSystemMetrics(SM_CMONITORS);
}
// static
size_t SysInfo::VMAllocationGranularity() {
return win::OSInfo::GetInstance()->allocation_granularity();
}
// static
void SysInfo::OperatingSystemVersionNumbers(int32* major_version,
int32* minor_version,
int32* bugfix_version) {
win::OSInfo* os_info = win::OSInfo::GetInstance();
*major_version = os_info->version_number().major;
*minor_version = os_info->version_number().minor;
*bugfix_version = 0;
}
} // namespace base
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