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
AmountOfFreeDiskSpace(const FilePath & path)52 int64 SysInfo::AmountOfFreeDiskSpace(const FilePath& path) {
53 base::ThreadRestrictions::AssertIOAllowed();
54
55 ULARGE_INTEGER available, total, free;
56 if (!GetDiskFreeSpaceExW(path.value().c_str(), &available, &total, &free)) {
57 return -1;
58 }
59 int64 rv = static_cast<int64>(available.QuadPart);
60 if (rv < 0)
61 rv = kint64max;
62 return rv;
63 }
64
65 // static
OperatingSystemName()66 std::string SysInfo::OperatingSystemName() {
67 return "Windows NT";
68 }
69
70 // static
OperatingSystemVersion()71 std::string SysInfo::OperatingSystemVersion() {
72 win::OSInfo* os_info = win::OSInfo::GetInstance();
73 win::OSInfo::VersionNumber version_number = os_info->version_number();
74 std::string version(StringPrintf("%d.%d", version_number.major,
75 version_number.minor));
76 win::OSInfo::ServicePack service_pack = os_info->service_pack();
77 if (service_pack.major != 0) {
78 version += StringPrintf(" SP%d", service_pack.major);
79 if (service_pack.minor != 0)
80 version += StringPrintf(".%d", service_pack.minor);
81 }
82 return version;
83 }
84
85 // TODO: Implement OperatingSystemVersionComplete, which would include
86 // patchlevel/service pack number.
87 // See chrome/browser/feedback/feedback_util.h, FeedbackUtil::SetOSVersion.
88
89 // static
OperatingSystemArchitecture()90 std::string SysInfo::OperatingSystemArchitecture() {
91 win::OSInfo::WindowsArchitecture arch =
92 win::OSInfo::GetInstance()->architecture();
93 switch (arch) {
94 case win::OSInfo::X86_ARCHITECTURE:
95 return "x86";
96 case win::OSInfo::X64_ARCHITECTURE:
97 return "x86_64";
98 case win::OSInfo::IA64_ARCHITECTURE:
99 return "ia64";
100 default:
101 return "";
102 }
103 }
104
105 // static
CPUModelName()106 std::string SysInfo::CPUModelName() {
107 return win::OSInfo::GetInstance()->processor_model_name();
108 }
109
110 // static
VMAllocationGranularity()111 size_t SysInfo::VMAllocationGranularity() {
112 return win::OSInfo::GetInstance()->allocation_granularity();
113 }
114
115 // static
OperatingSystemVersionNumbers(int32 * major_version,int32 * minor_version,int32 * bugfix_version)116 void SysInfo::OperatingSystemVersionNumbers(int32* major_version,
117 int32* minor_version,
118 int32* bugfix_version) {
119 win::OSInfo* os_info = win::OSInfo::GetInstance();
120 *major_version = os_info->version_number().major;
121 *minor_version = os_info->version_number().minor;
122 *bugfix_version = 0;
123 }
124
125 } // namespace base
126