Changeset 7092

Timestamp:

May 27, 2009, 8:12:55 AM (16 years ago)

Author:

rwilson

Message:

Added Windows code to logging resource usage method.

Location:

branches/numpy/anuga/utilities

Files:

• log.py (modified) (1 diff)
• win_stuff.py (deleted)

branches/numpy/anuga/utilities/log.py

@@ -243 +243 @@
         log(level, msg)
     else:
-        msg = ('Sorry, no memory statistics for Windows (yet).')
+        # from http://code.activestate.com/recipes/511491/
+        try:
+            import ctypes
+            import _winreg
+        except:
+            log(CRITICAL, 'Windows resource usage not available')
+            return
+
+        kernel32 = ctypes.windll.kernel32
+        c_ulong = ctypes.c_ulong
+        class MEMORYSTATUS(ctypes.Structure):
+            _fields_ = [('dwLength', c_ulong),
+                        ('dwMemoryLoad', c_ulong),
+                        ('dwTotalPhys', c_ulong),
+                        ('dwAvailPhys', c_ulong),
+                        ('dwTotalPageFile', c_ulong),
+                        ('dwAvailPageFile', c_ulong),
+                        ('dwTotalVirtual', c_ulong),
+                        ('dwAvailVirtual', c_ulong)
+                       ]
+            
+        memoryStatus = MEMORYSTATUS()
+        memoryStatus.dwLength = ctypes.sizeof(MEMORYSTATUS)
+        kernel32.GlobalMemoryStatus(ctypes.byref(memoryStatus))
+
+        msg = ('Resource usage: total memory=%.1fMB free memory=%.1fMB'
+               % (memoryStatus.dwTotalPhys/_scale['MB'],
+                  memoryStatus.dwAvailPhys/_scale['MB']))
         log(level, msg)