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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "base/sys_info.h" | 5 #include "base/sys_info.h" |
| 6 | 6 |
| 7 #include "base/basictypes.h" | 7 #include "base/basictypes.h" |
| 8 #include "base/environment.h" | 8 #include "base/environment.h" |
| 9 #include "base/file_util.h" | 9 #include "base/file_util.h" |
| 10 #include "base/files/file_path.h" | 10 #include "base/files/file_path.h" |
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| 49 } | 49 } |
| 50 | 50 |
| 51 void Parse() { | 51 void Parse() { |
| 52 lsb_release_map_.clear(); | 52 lsb_release_map_.clear(); |
| 53 major_version_ = 0; | 53 major_version_ = 0; |
| 54 minor_version_ = 0; | 54 minor_version_ = 0; |
| 55 bugfix_version_ = 0; | 55 bugfix_version_ = 0; |
| 56 is_running_on_chromeos_ = false; | 56 is_running_on_chromeos_ = false; |
| 57 | 57 |
| 58 std::string lsb_release, lsb_release_time_str; | 58 std::string lsb_release, lsb_release_time_str; |
| 59 scoped_ptr<base::Environment> env(base::Environment::Create()); | 59 scoped_ptr<Environment> env(Environment::Create()); |
| 60 bool parsed_from_env = | 60 bool parsed_from_env = |
| 61 env->GetVar(kLsbReleaseKey, &lsb_release) && | 61 env->GetVar(kLsbReleaseKey, &lsb_release) && |
| 62 env->GetVar(kLsbReleaseTimeKey, &lsb_release_time_str); | 62 env->GetVar(kLsbReleaseTimeKey, &lsb_release_time_str); |
| 63 if (parsed_from_env) { | 63 if (parsed_from_env) { |
| 64 double us = 0; | 64 double us = 0; |
| 65 if (StringToDouble(lsb_release_time_str, &us)) | 65 if (StringToDouble(lsb_release_time_str, &us)) |
| 66 lsb_release_time_ = base::Time::FromDoubleT(us); | 66 lsb_release_time_ = Time::FromDoubleT(us); |
| 67 } else { | 67 } else { |
| 68 // If the LSB_RELEASE and LSB_RELEASE_TIME environment variables are not | 68 // If the LSB_RELEASE and LSB_RELEASE_TIME environment variables are not |
| 69 // set, fall back to a blocking read of the lsb_release file. This should | 69 // set, fall back to a blocking read of the lsb_release file. This should |
| 70 // only happen in non Chrome OS environments. | 70 // only happen in non Chrome OS environments. |
| 71 ThreadRestrictions::ScopedAllowIO allow_io; | 71 ThreadRestrictions::ScopedAllowIO allow_io; |
| 72 FilePath path(kLinuxStandardBaseReleaseFile); | 72 FilePath path(kLinuxStandardBaseReleaseFile); |
| 73 ReadFileToString(path, &lsb_release); | 73 ReadFileToString(path, &lsb_release); |
| 74 base::PlatformFileInfo fileinfo; | 74 PlatformFileInfo fileinfo; |
| 75 if (file_util::GetFileInfo(path, &fileinfo)) | 75 if (GetFileInfo(path, &fileinfo)) |
| 76 lsb_release_time_ = fileinfo.creation_time; | 76 lsb_release_time_ = fileinfo.creation_time; |
| 77 } | 77 } |
| 78 ParseLsbRelease(lsb_release); | 78 ParseLsbRelease(lsb_release); |
| 79 // For debugging: | 79 // For debugging: |
| 80 lsb_release_map_[kLsbReleaseSourceKey] = | 80 lsb_release_map_[kLsbReleaseSourceKey] = |
| 81 parsed_from_env ? kLsbReleaseSourceEnv : kLsbReleaseSourceFile; | 81 parsed_from_env ? kLsbReleaseSourceEnv : kLsbReleaseSourceFile; |
| 82 } | 82 } |
| 83 | 83 |
| 84 bool GetLsbReleaseValue(const std::string& key, std::string* value) { | 84 bool GetLsbReleaseValue(const std::string& key, std::string* value) { |
| 85 SysInfo::LsbReleaseMap::const_iterator iter = lsb_release_map_.find(key); | 85 SysInfo::LsbReleaseMap::const_iterator iter = lsb_release_map_.find(key); |
| 86 if (iter == lsb_release_map_.end()) | 86 if (iter == lsb_release_map_.end()) |
| 87 return false; | 87 return false; |
| 88 *value = iter->second; | 88 *value = iter->second; |
| 89 return true; | 89 return true; |
| 90 } | 90 } |
| 91 | 91 |
| 92 void GetVersionNumbers(int32* major_version, | 92 void GetVersionNumbers(int32* major_version, |
| 93 int32* minor_version, | 93 int32* minor_version, |
| 94 int32* bugfix_version) { | 94 int32* bugfix_version) { |
| 95 *major_version = major_version_; | 95 *major_version = major_version_; |
| 96 *minor_version = minor_version_; | 96 *minor_version = minor_version_; |
| 97 *bugfix_version = bugfix_version_; | 97 *bugfix_version = bugfix_version_; |
| 98 } | 98 } |
| 99 | 99 |
| 100 const base::Time& lsb_release_time() const { return lsb_release_time_; } | 100 const Time& lsb_release_time() const { return lsb_release_time_; } |
| 101 const SysInfo::LsbReleaseMap& lsb_release_map() const { | 101 const SysInfo::LsbReleaseMap& lsb_release_map() const { |
| 102 return lsb_release_map_; | 102 return lsb_release_map_; |
| 103 } | 103 } |
| 104 bool is_running_on_chromeos() const { return is_running_on_chromeos_; } | 104 bool is_running_on_chromeos() const { return is_running_on_chromeos_; } |
| 105 | 105 |
| 106 private: | 106 private: |
| 107 void ParseLsbRelease(const std::string& lsb_release) { | 107 void ParseLsbRelease(const std::string& lsb_release) { |
| 108 // Parse and cache lsb_release key pairs. There should only be a handful | 108 // Parse and cache lsb_release key pairs. There should only be a handful |
| 109 // of entries so the overhead for this will be small, and it can be | 109 // of entries so the overhead for this will be small, and it can be |
| 110 // useful for debugging. | 110 // useful for debugging. |
| 111 std::vector<std::pair<std::string, std::string> > pairs; | 111 std::vector<std::pair<std::string, std::string> > pairs; |
| 112 base::SplitStringIntoKeyValuePairs(lsb_release, '=', '\n', &pairs); | 112 SplitStringIntoKeyValuePairs(lsb_release, '=', '\n', &pairs); |
| 113 for (size_t i = 0; i < pairs.size(); ++i) { | 113 for (size_t i = 0; i < pairs.size(); ++i) { |
| 114 std::string key, value; | 114 std::string key, value; |
| 115 TrimWhitespaceASCII(pairs[i].first, TRIM_ALL, &key); | 115 TrimWhitespaceASCII(pairs[i].first, TRIM_ALL, &key); |
| 116 TrimWhitespaceASCII(pairs[i].second, TRIM_ALL, &value); | 116 TrimWhitespaceASCII(pairs[i].second, TRIM_ALL, &value); |
| 117 if (key.empty()) | 117 if (key.empty()) |
| 118 continue; | 118 continue; |
| 119 lsb_release_map_[key] = value; | 119 lsb_release_map_[key] = value; |
| 120 } | 120 } |
| 121 // Parse the version from the first matching recognized version key. | 121 // Parse the version from the first matching recognized version key. |
| 122 std::string version; | 122 std::string version; |
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| 144 if (GetLsbReleaseValue(kChromeOsReleaseNameKey, &release_name)) { | 144 if (GetLsbReleaseValue(kChromeOsReleaseNameKey, &release_name)) { |
| 145 for (size_t i = 0; i < arraysize(kChromeOsReleaseNames); ++i) { | 145 for (size_t i = 0; i < arraysize(kChromeOsReleaseNames); ++i) { |
| 146 if (release_name == kChromeOsReleaseNames[i]) { | 146 if (release_name == kChromeOsReleaseNames[i]) { |
| 147 is_running_on_chromeos_ = true; | 147 is_running_on_chromeos_ = true; |
| 148 break; | 148 break; |
| 149 } | 149 } |
| 150 } | 150 } |
| 151 } | 151 } |
| 152 } | 152 } |
| 153 | 153 |
| 154 base::Time lsb_release_time_; | 154 Time lsb_release_time_; |
| 155 SysInfo::LsbReleaseMap lsb_release_map_; | 155 SysInfo::LsbReleaseMap lsb_release_map_; |
| 156 int32 major_version_; | 156 int32 major_version_; |
| 157 int32 minor_version_; | 157 int32 minor_version_; |
| 158 int32 bugfix_version_; | 158 int32 bugfix_version_; |
| 159 bool is_running_on_chromeos_; | 159 bool is_running_on_chromeos_; |
| 160 }; | 160 }; |
| 161 | 161 |
| 162 static LazyInstance<ChromeOSVersionInfo> | 162 static LazyInstance<ChromeOSVersionInfo> |
| 163 g_chrome_os_version_info = LAZY_INSTANCE_INITIALIZER; | 163 g_chrome_os_version_info = LAZY_INSTANCE_INITIALIZER; |
| 164 | 164 |
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| 189 // static | 189 // static |
| 190 std::string SysInfo::GetLsbReleaseBoard() { | 190 std::string SysInfo::GetLsbReleaseBoard() { |
| 191 const char kMachineInfoBoard[] = "CHROMEOS_RELEASE_BOARD"; | 191 const char kMachineInfoBoard[] = "CHROMEOS_RELEASE_BOARD"; |
| 192 std::string board; | 192 std::string board; |
| 193 if (!GetLsbReleaseValue(kMachineInfoBoard, &board)) | 193 if (!GetLsbReleaseValue(kMachineInfoBoard, &board)) |
| 194 board = "unknown"; | 194 board = "unknown"; |
| 195 return board; | 195 return board; |
| 196 } | 196 } |
| 197 | 197 |
| 198 // static | 198 // static |
| 199 base::Time SysInfo::GetLsbReleaseTime() { | 199 Time SysInfo::GetLsbReleaseTime() { |
| 200 return GetChromeOSVersionInfo().lsb_release_time(); | 200 return GetChromeOSVersionInfo().lsb_release_time(); |
| 201 } | 201 } |
| 202 | 202 |
| 203 // static | 203 // static |
| 204 bool SysInfo::IsRunningOnChromeOS() { | 204 bool SysInfo::IsRunningOnChromeOS() { |
| 205 return GetChromeOSVersionInfo().is_running_on_chromeos(); | 205 return GetChromeOSVersionInfo().is_running_on_chromeos(); |
| 206 } | 206 } |
| 207 | 207 |
| 208 // static | 208 // static |
| 209 void SysInfo::SetChromeOSVersionInfoForTest(const std::string& lsb_release, | 209 void SysInfo::SetChromeOSVersionInfoForTest(const std::string& lsb_release, |
| 210 const Time& lsb_release_time) { | 210 const Time& lsb_release_time) { |
| 211 scoped_ptr<base::Environment> env(base::Environment::Create()); | 211 scoped_ptr<Environment> env(Environment::Create()); |
| 212 env->SetVar(kLsbReleaseKey, lsb_release); | 212 env->SetVar(kLsbReleaseKey, lsb_release); |
| 213 env->SetVar(kLsbReleaseTimeKey, | 213 env->SetVar(kLsbReleaseTimeKey, |
| 214 base::DoubleToString(lsb_release_time.ToDoubleT())); | 214 DoubleToString(lsb_release_time.ToDoubleT())); |
| 215 g_chrome_os_version_info.Get().Parse(); | 215 g_chrome_os_version_info.Get().Parse(); |
| 216 } | 216 } |
| 217 | 217 |
| 218 } // namespace base | 218 } // namespace base |
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