bundles/org.simantics.nativemem/src/org/simantics/nativemem/internal/Psapi64.java

   1 package org.simantics.nativemem.internal;
   2
   3 import java.util.Arrays;
   4 import java.util.List;
   5
   6 import org.simantics.nativemem.ProcessMemoryCounters;
   7
   8 import com.sun.jna.Native;
   9 import com.sun.jna.Structure;
  10 import com.sun.jna.platform.win32.WinNT.HANDLE;
  11 import com.sun.jna.win32.StdCallLibrary;
  12
  13 public interface Psapi64 extends StdCallLibrary {
  14
  15     Psapi64 INSTANCE = (Psapi64) Native.loadLibrary("Psapi", Psapi64.class);
  16
  17     /*
  18      * https://msdn.microsoft.com/en-us/library/windows/desktop/ms684874%28v=vs.85%29.aspx
  19      */
  20     public static class PROCESS_MEMORY_COUNTERS_EX extends Structure {
  21         public int cb;
  22         public int PageFaultCount;
  23         public long PeakWorkingSetSize;
  24         public long WorkingSetSize;
  25         public long QuotaPeakPagedPoolUsage;
  26         public long QuotaPagedPoolUsage;
  27         public long QuotaPeakNonPagedPoolUsage;
  28         public long QuotaNonPagedPoolUsage;
  29         public long PagefileUsage;
  30         public long PeakPagefileUsage;
  31         public long PrivateUsage;
  32
  33         @SuppressWarnings("rawtypes")
  34         @Override
  35         protected List getFieldOrder() {
  36             return PROCESS_MEMORY_COUNTERS_EX_FIELDS;
  37         }
  38
  39         private static final List<String> PROCESS_MEMORY_COUNTERS_EX_FIELDS = Arrays.asList(new String[] {
  40                 "cb", "PageFaultCount",
  41                 "PeakWorkingSetSize", "WorkingSetSize",
  42                 "QuotaPeakPagedPoolUsage", "QuotaPagedPoolUsage",
  43                 "QuotaPeakNonPagedPoolUsage", "QuotaNonPagedPoolUsage",
  44                 "PagefileUsage", "PeakPagefileUsage", "PrivateUsage"
  45         });
  46
  47         public void writeTo(ProcessMemoryCounters to) {
  48             to.PageFaultCount = PageFaultCount;
  49             to.PeakWorkingSetSize = PeakWorkingSetSize;
  50             to.WorkingSetSize = WorkingSetSize;
  51             to.QuotaPeakPagedPoolUsage = QuotaPeakPagedPoolUsage;
  52             to.QuotaPagedPoolUsage = QuotaPagedPoolUsage;
  53             to.QuotaPeakNonPagedPoolUsage = QuotaPeakNonPagedPoolUsage;
  54             to.QuotaNonPagedPoolUsage = QuotaNonPagedPoolUsage;
  55             to.PagefileUsage = PagefileUsage;
  56             to.PeakPagefileUsage = PeakPagefileUsage;
  57             to.PrivateUsage = PrivateUsage;
  58         }
  59     }
  60
  61     /*
  62      * https://msdn.microsoft.com/en-us/library/windows/desktop/ms683219%28v=vs.85%29.aspx
  63      */
  64     boolean GetProcessMemoryInfo(HANDLE Process, PROCESS_MEMORY_COUNTERS_EX ppsmemCounters, int cb);
  65
  66 }