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
NumberOfProcessors()18 int SysInfo::NumberOfProcessors() {
19 return win::OSInfo::GetInstance()->processors();
20 }
21
22 // static
AmountOfPhysicalMemory()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
AmountOfFreeDiskSpace(const FilePath & path)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
OperatingSystemName()50 std::string SysInfo::OperatingSystemName() {
51 return "Windows NT";
52 }
53
54 // static
OperatingSystemVersion()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
CPUArchitecture()74 std::string SysInfo::CPUArchitecture() {
75 // TODO: Make this vary when we support any other architectures.
76 return "x86";
77 }
78
79 // static
GetPrimaryDisplayDimensions(int * width,int * height)80 void SysInfo::GetPrimaryDisplayDimensions(int* width, int* height) {
81 if (width)
82 *width = GetSystemMetrics(SM_CXSCREEN);
83
84 if (height)
85 *height = GetSystemMetrics(SM_CYSCREEN);
86 }
87
88 // static
DisplayCount()89 int SysInfo::DisplayCount() {
90 return GetSystemMetrics(SM_CMONITORS);
91 }
92
93 // static
VMAllocationGranularity()94 size_t SysInfo::VMAllocationGranularity() {
95 return win::OSInfo::GetInstance()->allocation_granularity();
96 }
97
98 // static
OperatingSystemVersionNumbers(int32 * major_version,int32 * minor_version,int32 * bugfix_version)99 void SysInfo::OperatingSystemVersionNumbers(int32* major_version,
100 int32* minor_version,
101 int32* bugfix_version) {
102 win::OSInfo* os_info = win::OSInfo::GetInstance();
103 *major_version = os_info->version_number().major;
104 *minor_version = os_info->version_number().minor;
105 *bugfix_version = 0;
106 }
107
108 } // namespace base
109