base/sys_info_win.cc

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/sys_info.h"
   6
   7 #include <windows.h>
   8
   9 #include "base/file_path.h"
  10 #include "base/logging.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "base/stringprintf.h"
  13 #include "base/win/windows_version.h"
  14
  15 namespace base {
  16
  17 // static
  18 int SysInfo::NumberOfProcessors() {
  19   return win::OSInfo::GetInstance()->processors();
  20 }
  21
  22 // static
  23 int64 SysInfo::AmountOfPhysicalMemory() {
  24   MEMORYSTATUSEX memory_info;
  25   memory_info.dwLength = sizeof(memory_info);
  26   if (!GlobalMemoryStatusEx(&memory_info)) {
  27     NOTREACHED();
  28     return 0;
  29   }
  30
  31   int64 rv = static_cast<int64>(memory_info.ullTotalPhys);
  32   if (rv < 0)
  33     rv = kint64max;
  34   return rv;
  35 }
  36
  37 // static
  38 int64 SysInfo::AmountOfFreeDiskSpace(const FilePath& path) {
  39   ULARGE_INTEGER available, total, free;
  40   if (!GetDiskFreeSpaceExW(path.value().c_str(), &available, &total, &free)) {
  41     return -1;
  42   }
  43   int64 rv = static_cast<int64>(available.QuadPart);
  44   if (rv < 0)
  45     rv = kint64max;
  46   return rv;
  47 }
  48
  49 // static
  50 std::string SysInfo::OperatingSystemName() {
  51   return "Windows NT";
  52 }
  53
  54 // static
  55 std::string SysInfo::OperatingSystemVersion() {
  56   win::OSInfo* os_info = win::OSInfo::GetInstance();
  57   win::OSInfo::VersionNumber version_number = os_info->version_number();
  58   std::string version(StringPrintf("%d.%d", version_number.major,
  59                                    version_number.minor));
  60   win::OSInfo::ServicePack service_pack = os_info->service_pack();
  61   if (service_pack.major != 0) {
  62     version += StringPrintf(" SP%d", service_pack.major);
  63     if (service_pack.minor != 0)
  64       version += StringPrintf(".%d", service_pack.minor);
  65   }
  66   return version;
  67 }
  68
  69 // TODO: Implement OperatingSystemVersionComplete, which would include
  70 // patchlevel/service pack number.
  71 // See chrome/browser/ui/views/bug_report_view.cc, BugReportView::SetOSVersion.
  72
  73 // static
  74 std::string SysInfo::CPUArchitecture() {
  75   // TODO: Make this vary when we support any other architectures.
  76   return "x86";
  77 }
  78
  79 // static
  80 size_t SysInfo::VMAllocationGranularity() {
  81   return win::OSInfo::GetInstance()->allocation_granularity();
  82 }
  83
  84 // static
  85 void SysInfo::OperatingSystemVersionNumbers(int32* major_version,
  86                                             int32* minor_version,
  87                                             int32* bugfix_version) {
  88   win::OSInfo* os_info = win::OSInfo::GetInstance();
  89   *major_version = os_info->version_number().major;
  90   *minor_version = os_info->version_number().minor;
  91   *bugfix_version = 0;
  92 }
  93
  94 }  // namespace base