Keep only base/extractor.[cc|h].

base/system.h

Index: base/system.h
diff --git a/base/system.h b/base/system.h
deleted file mode 100644
index 9285b6c8aca76a427e9f69b764bf3d3d0a3bf390..0000000000000000000000000000000000000000
--- a/base/system.h
+++ /dev/null
@@ -1,231 +0,0 @@
-// Copyright 2004-2010 Google Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// ========================================================================
-//
-// system functions for checking disk space / memory usage / etc.
-
-#ifndef OMAHA_BASE_SYSTEM_H_
-#define OMAHA_BASE_SYSTEM_H_
-
-#include <atlstr.h>
-#include <base/basictypes.h>
-
-namespace omaha {
-
-#define kMaxRegistryBackupWaitMs 3000
-#define kMaxRegistryRestoreWaitMs 30000
-
-// amount of time the user must have no input before we declare them idle
-// used by outlook addin, outlook_cap, and filecap.
-#define kUserIdleThresholdMs 30000
-
-// The user is busy typing or interacting with another application
-// if the user is below the minimum threshold.
-#define kUserIdleMinThresholdMs 30000
-
-// The user is probably not paying attention
-// if the user is above the maximum threshold.
-#define kUserIdleMaxThresholdMs 600000
-
-const DWORD kInvalidSessionId = 0xFFFFFFFF;
-
-class System {
-  public:
-
-    // disk activity.
-
-    // waits up to specified time for disk activity to occur; sleeps in
-    // increments of sleep_time.
-    static HRESULT WaitForDiskActivity(uint32 max_delay_milliseconds,
-                                       uint32 sleep_time_ms,
-                                       uint32 *time_waited);
-    // disk activity counters; may require admin on some machines? should return
-    // E_FAIL if so.
-    static HRESULT GetDiskActivityCounters(uint64 *reads,
-                                           uint64 *writes,
-                                           uint64 *bytes_read,
-                                           uint64 *bytes_written);
-
-    // disk statistics.
-
-    // disk total and free space.
-    // Path is either the root of a drive or an existing folder on a drive; the
-    // statistics are for that drive.
-    static HRESULT GetDiskStatistics(const TCHAR* path,
-                                     uint64 *free_bytes_current_user,
-                                     uint64 *total_bytes_current_user,
-                                     uint64 *free_bytes_all_users);
-
-    enum Priority {
-        LOW,
-        HIGH,
-        NORMAL,
-        IDLE
-    };
-
-    // functions to alter process/thread priority.
-    static HRESULT SetThreadPriority(enum Priority priority);
-    static HRESULT SetProcessPriority(enum Priority priority);
-
-    // The three functions below start background processes via ::CreateProcess.
-    // Use the ShellExecuteProcessXXX functions when starting foreground
-    // processes.
-    static HRESULT StartProcessWithArgs(const TCHAR *process_name,
-                                        const TCHAR *cmd_line_arguments);
-    static HRESULT StartProcessWithArgsAndInfo(const TCHAR *process_name,
-                                               const TCHAR *cmd_line_arguments,
-                                               PROCESS_INFORMATION *pi);
-    static HRESULT StartCommandLine(const TCHAR* command_line_to_execute);
-    static HRESULT StartProcess(const TCHAR *process_name,
-                                TCHAR *command_line,
-                                PROCESS_INFORMATION *pi);
-
-    // Start the process with the provided token, in the specified desktop of
-    // the token's session. The caller needs to be SYSTEM.
-    static HRESULT StartProcessAsUser(HANDLE user_token,
-                                      const CString& executable_path,
-                                      const CString& parameters,
-                                      LPWSTR desktop,
-                                      PROCESS_INFORMATION* pi);
-
-    // start another process painlessly via ::ShellExecuteEx. Use this method
-    // instead of the StartProcessXXX methods that use ::CreateProcess where
-    // possible, since ::ShellExecuteEx has better behavior on Vista.
-    static HRESULT ShellExecuteProcess(const TCHAR* file_name_to_execute,
-                                       const TCHAR* command_line_parameters,
-                                       HWND hwnd,
-                                       HANDLE* process_handle);
-
-    // start another process painlessly via ::ShellExecuteEx. Use this method
-    // instead of the StartProcessXXX methods that use ::CreateProcess where
-    // possible, since ::ShellExecuteEx has better behavior on Vista.
-    static HRESULT ShellExecuteCommandLine(const TCHAR* command_line_to_execute,
-                                           HWND hwnd,
-                                           HANDLE* process_handle);
-
-    // memory statistics.
-
-    // max amount of memory that can be allocated without paging.
-    static HRESULT MaxPhysicalMemoryAvailable(uint64 *max_bytes);
-
-    // global memory stats
-    static HRESULT GetGlobalMemoryStatistics(
-                       uint32 *memory_load_percentage,
-                       uint64 *free_physical_memory,
-                       uint64 *total_physical_memory,
-                       uint64 *free_paged_memory,
-                       uint64 *total_paged_memory,
-                       uint64 *process_free_virtual_memory,
-                       uint64 *process_total_virtual_memory);
-
-    // process memory stats
-    static HRESULT GetProcessMemoryStatistics(uint64 *current_working_set,
-                                              uint64 *peak_working_set,
-                                              uint64 *min_working_set_size,
-                                              uint64 *max_working_set_size);
-
-    // TODO(omaha): determine if using this where we do with machines
-    // with slow disks causes noticeable slowdown
-
-    // reduce process working set - beware of possible negative performance
-    // implications - this function frees (to the page cache) all used pages,
-    // minimizing the working set - but could lead to additional page faults
-    // when the process continues. If the process continues soon enough the
-    // pages will still be in the page cache so they'll be relatively cheap
-    // soft page faults. This function is best used to reduce memory footprint
-    // when a component is about to go idle for "awhile".
-    static void FreeProcessWorkingSet();
-
-    // returns the number of ms the system has had no user input.
-    static int GetUserIdleTime();
-
-    // from ntddk.h, used as a parameter to get the process handle count.
-    static const int kProcessHandleCount = 20;
-    static uint32 GetProcessHandleCount();
-    static uint32 GetProcessHandleCountOld();
-
-    static void GetGuiObjectCount(uint32 *gdi, uint32 *user);
-
-    static bool IsUserIdle();
-    static bool IsUserBusy();
-    static bool IsScreensaverRunning();
-    static bool IsWorkstationLocked();
-    static bool IsUserAway();
-
-    // Is the system requiring reboot.
-    static bool IsRebooted(const TCHAR* base_file);
-
-    // Mark the system as reboot required.
-    static HRESULT MarkAsRebootRequired(const TCHAR* base_file);
-
-    // Unmark the system as reboot required.
-    static HRESULT UnmarkAsRebootRequired(const TCHAR* base_file);
-
-    // Restart the computer.
-    static HRESULT RestartComputer();
-
-    // Get the full path name of the screen saver program currently selected.
-    // If no screen saver is selected then "fileName" is empty.
-    static HRESULT GetCurrentScreenSaver(CString* fileName);
-
-    // Create an instance of a COM Local Server class using either plain vanilla
-    // CoCreateInstance, or using the Elevation moniker if Vista or later and
-    // the user is not an elevated admin.
-    static HRESULT CoCreateInstanceAsAdmin(HWND hwnd,
-                                           REFCLSID rclsid,
-                                           REFIID riid,
-                                           void** ppv);
-
-    // Attempts to adjust current process privileges.
-    // Only process running with administrator privileges will succeed.
-    static HRESULT AdjustPrivilege(const TCHAR* privilege, bool enable);
-
-    // Checks if the given privilege is enabled for the current process.
-    static HRESULT IsPrivilegeEnabled(const TCHAR* privilege, bool* present);
-
-    // Dynamically links and calls ::WTSGetActiveConsoleSessionId(). Returns
-    // kInvalidSessionId if it cannot find the export in kernel32.dll.
-    static DWORD WTSGetActiveConsoleSessionId();
-
-    // Get the session the current process is running under.
-    static DWORD GetCurrentSessionId();
-
-    // Get the best guess as to the currently active session,
-    // or kInvalidSessionId if there is no active session.
-    static DWORD GetActiveSessionId();
-
-    // Is there a user logged on and active in the specified session?
-    static bool IsSessionActive(DWORD session_id);
-
-    // Is the current process running under WinSta0.
-    static bool IsCurrentProcessInteractive();
-
-    // is the current process running under WinSta0 for the currently active
-    // session.
-    static bool IsCurrentProcessActiveAndInteractive();
-
-    // Returns true if a system battery is detected and the AC line
-    // status is 'offline', otherwise it returns false.
-    static bool IsRunningOnBatteries();
-
-  private:
-    static HRESULT GetRebootCheckDummyFileName(const TCHAR* base_file,
-                                               CString* dummy_file);
-    DISALLOW_EVIL_CONSTRUCTORS(System);
-};
-
-}  // namespace omaha
-
-#endif  // OMAHA_BASE_SYSTEM_H_
-