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/**
* Oshi (https://github.com/oshi/oshi)
*
* Copyright (c) 2010 - 2018 The Oshi Project Team
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Maintainers:
* dblock[at]dblock[dot]org
* widdis[at]gmail[dot]com
* enrico.bianchi[at]gmail[dot]com
*
* Contributors:
* https://github.com/oshi/oshi/graphs/contributors
*/
package oshi.jna.platform.windows;
import java.util.Arrays;
import java.util.List;
import com.sun.jna.Native;
import com.sun.jna.Pointer;
import com.sun.jna.Structure;
import com.sun.jna.platform.win32.WinNT.HANDLE;
import com.sun.jna.platform.win32.WinNT.LARGE_INTEGER;
import com.sun.jna.platform.win32.WinNT.PSID;
import com.sun.jna.ptr.IntByReference;
import com.sun.jna.ptr.PointerByReference;
import com.sun.jna.win32.W32APIOptions;
import com.sun.jna.win32.W32APITypeMapper;
/**
* Windows Remote Desktop Services API. Formerly Terminal Services. This class
* should be considered non-API as it may be removed if/when its code is
* incorporated into the JNA project.
*
* @author widdis[at]gmail[dot]com
*/
public interface Wtsapi32 extends com.sun.jna.platform.win32.Wtsapi32 {
Wtsapi32 INSTANCE = Native.loadLibrary("Wtsapi32", Wtsapi32.class, W32APIOptions.DEFAULT_OPTIONS);
/**
* Specifies the current server
*/
HANDLE WTS_CURRENT_SERVER_HANDLE = new HANDLE(null);
/**
* Specifies the current session (SessionId)
*/
int WTS_CURRENT_SESSION = -1;
/**
* Specifies any-session (SessionId)
*/
int WTS_ANY_SESSION = -2;
int WTS_PROCESS_INFO_LEVEL_0 = 0;
int WTS_PROCESS_INFO_LEVEL_1 = 1;
/**
* Contains extended information about a process running on a Remote Desktop
* Session Host (RD Session Host) server. This structure is returned by the
* WTSEnumerateProcessesEx function when you set the pLevel parameter to
* one.
*
* @see WTS_PROCESS_INFO_EXA
* @see WTS_PROCESS_INFO_EXW
*/
class WTS_PROCESS_INFO_EX extends Structure {
public int SessionId;
public int ProcessId;
public String pProcessName; // Either LPSTR or LPWSTR
public PSID pUserSid;
public int NumberOfThreads;
public int HandleCount;
public int PagefileUsage;
public int PeakPagefileUsage;
public int WorkingSetSize;
public int PeakWorkingSetSize;
public LARGE_INTEGER UserTime;
public LARGE_INTEGER KernelTime;
public WTS_PROCESS_INFO_EX() {
super(W32APITypeMapper.DEFAULT);
}
public WTS_PROCESS_INFO_EX(Pointer p) {
super(p, Structure.ALIGN_DEFAULT, W32APITypeMapper.DEFAULT);
read();
}
@Override
protected List getFieldOrder() {
return Arrays.asList(new String[] { "SessionId", "ProcessId", "pProcessName", "pUserSid", "NumberOfThreads",
"HandleCount", "PagefileUsage", "PeakPagefileUsage", "WorkingSetSize", "PeakWorkingSetSize",
"UserTime", "KernelTime" });
}
}
/**
* Retrieves information about the active processes on the specified Remote
* Desktop Session Host (RD Session Host) server or Remote Desktop
* Virtualization Host (RD Virtualization Host) server.
*
* @param hServer
* A handle to an RD Session Host server. Specify a handle opened
* by the WTSOpenServer function, or specify
* WTS_CURRENT_SERVER_HANDLE to indicate the server on which your
* application is running.
* @param pLevel
* A pointer to a DWORD variable that, on input, specifies the
* type of information to return. To return an array of
* WTS_PROCESS_INFO structures, specify zero. To return an array
* of WTS_PROCESS_INFO_EX structures, specify one. If you do not
* specify a valid value for this parameter, on output,
* WTSEnumerateProcessesEx sets this parameter to one and returns
* an error. Otherwise, on output, WTSEnumerateProcessesEx does
* not change the value of this parameter.
* @param SessionID
* The session for which to enumerate processes. To enumerate
* processes for all sessions on the server, specify
* WTS_ANY_SESSION.
* @param ppProcessInfo
* A pointer to a variable that receives a pointer to an array of
* WTS_PROCESS_INFO or WTS_PROCESS_INFO_EX structures. The type
* of structure is determined by the value passed to the pLevel
* parameter. Each structure in the array contains information
* about an active process. When you have finished using the
* array, free it by calling the WTSFreeMemoryEx function. You
* should also set the pointer to NULL.
* @param pCount
* A pointer to a variable that receives the number of structures
* returned in the buffer referenced by the ppProcessInfo
* parameter.
* @return If the function succeeds, the return value is a nonzero value. If
* the function fails, the return value is zero. To get extended
* error information, call the GetLastError function.
*/
boolean WTSEnumerateProcessesEx(HANDLE hServer, IntByReference pLevel, int SessionID,
PointerByReference ppProcessInfo, IntByReference pCount);
/**
* Frees memory that contains WTS_PROCESS_INFO_EX or WTS_SESSION_INFO_1
* structures allocated by a Remote Desktop Services function.
*
* @param WTSTypeClass
* A value of the WTS_TYPE_CLASS enumeration type that specifies
* the type of structures contained in the buffer referenced by
* the pMemory parameter.
* @param pMemory
* A pointer to the buffer to free.
* @param NumberOfEntries
* The number of elements in the buffer referenced by the pMemory
* parameter.
* @return If the function succeeds, the return value is a nonzero value. If
* the function fails, the return value is zero. To get extended
* error information, call the GetLastError function.
*/
boolean WTSFreeMemoryEx(int WTSTypeClass, Pointer pMemory, int NumberOfEntries);
}
