1 // Copyright (c) 2012 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/files/file_path.h"
10 #include "base/logging.h"
11 #include "base/memory/scoped_ptr.h"
12 #include "base/strings/stringprintf.h"
13 #include "base/threading/thread_restrictions.h"
14 #include "base/win/windows_version.h"
15
16 namespace {
17
AmountOfMemory(DWORDLONG MEMORYSTATUSEX::* memory_field)18 int64 AmountOfMemory(DWORDLONG MEMORYSTATUSEX::* memory_field) {
19 MEMORYSTATUSEX memory_info;
20 memory_info.dwLength = sizeof(memory_info);
21 if (!GlobalMemoryStatusEx(&memory_info)) {
22 NOTREACHED();
23 return 0;
24 }
25
26 int64 rv = static_cast<int64>(memory_info.*memory_field);
27 if (rv < 0)
28 rv = kint64max;
29 return rv;
30 }
31
32 } // namespace
33
34 namespace base {
35
36 // static
NumberOfProcessors()37 int SysInfo::NumberOfProcessors() {
38 return win::OSInfo::GetInstance()->processors();
39 }
40
41 // static
AmountOfPhysicalMemory()42 int64 SysInfo::AmountOfPhysicalMemory() {
43 return AmountOfMemory(&MEMORYSTATUSEX::ullTotalPhys);
44 }
45
46 // static
AmountOfAvailablePhysicalMemory()47 int64 SysInfo::AmountOfAvailablePhysicalMemory() {
48 return AmountOfMemory(&MEMORYSTATUSEX::ullAvailPhys);
49 }
50
51 // static
AmountOfVirtualMemory()52 int64 SysInfo::AmountOfVirtualMemory() {
53 return 0;
54 }
55
56 // static
AmountOfFreeDiskSpace(const FilePath & path)57 int64 SysInfo::AmountOfFreeDiskSpace(const FilePath& path) {
58 base::ThreadRestrictions::AssertIOAllowed();
59
60 ULARGE_INTEGER available, total, free;
61 if (!GetDiskFreeSpaceExW(path.value().c_str(), &available, &total, &free)) {
62 return -1;
63 }
64 int64 rv = static_cast<int64>(available.QuadPart);
65 if (rv < 0)
66 rv = kint64max;
67 return rv;
68 }
69
70 // static
OperatingSystemName()71 std::string SysInfo::OperatingSystemName() {
72 return "Windows NT";
73 }
74
75 // static
OperatingSystemVersion()76 std::string SysInfo::OperatingSystemVersion() {
77 win::OSInfo* os_info = win::OSInfo::GetInstance();
78 win::OSInfo::VersionNumber version_number = os_info->version_number();
79 std::string version(StringPrintf("%d.%d", version_number.major,
80 version_number.minor));
81 win::OSInfo::ServicePack service_pack = os_info->service_pack();
82 if (service_pack.major != 0) {
83 version += StringPrintf(" SP%d", service_pack.major);
84 if (service_pack.minor != 0)
85 version += StringPrintf(".%d", service_pack.minor);
86 }
87 return version;
88 }
89
90 // TODO: Implement OperatingSystemVersionComplete, which would include
91 // patchlevel/service pack number.
92 // See chrome/browser/feedback/feedback_util.h, FeedbackUtil::SetOSVersion.
93
94 // static
OperatingSystemArchitecture()95 std::string SysInfo::OperatingSystemArchitecture() {
96 win::OSInfo::WindowsArchitecture arch =
97 win::OSInfo::GetInstance()->architecture();
98 switch (arch) {
99 case win::OSInfo::X86_ARCHITECTURE:
100 return "x86";
101 case win::OSInfo::X64_ARCHITECTURE:
102 return "x86_64";
103 case win::OSInfo::IA64_ARCHITECTURE:
104 return "ia64";
105 default:
106 return "";
107 }
108 }
109
110 // static
CPUModelName()111 std::string SysInfo::CPUModelName() {
112 return win::OSInfo::GetInstance()->processor_model_name();
113 }
114
115 // static
VMAllocationGranularity()116 size_t SysInfo::VMAllocationGranularity() {
117 return win::OSInfo::GetInstance()->allocation_granularity();
118 }
119
120 // static
OperatingSystemVersionNumbers(int32 * major_version,int32 * minor_version,int32 * bugfix_version)121 void SysInfo::OperatingSystemVersionNumbers(int32* major_version,
122 int32* minor_version,
123 int32* bugfix_version) {
124 win::OSInfo* os_info = win::OSInfo::GetInstance();
125 *major_version = os_info->version_number().major;
126 *minor_version = os_info->version_number().minor;
127 *bugfix_version = 0;
128 }
129
130 } // namespace base
131