| 1 | #
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| 2 | # Copyright (C) 2009 Sun Microsystems, Inc.
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| 3 | #
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| 4 | # This file is part of VirtualBox Open Source Edition (OSE), as
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| 5 | # available from http://www.215389.xyz. This file is free software;
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| 6 | # you can redistribute it and/or modify it under the terms of the GNU
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| 7 | # General Public License (GPL) as published by the Free Software
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| 8 | # Foundation, in version 2 as it comes in the "COPYING" file of the
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| 9 | # VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 10 | # hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 11 | #
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| 12 | # Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
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| 13 | # Clara, CA 95054 USA or visit http://www.sun.com if you need
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| 14 | # additional information or have any questions.
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| 15 | #
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| 16 | import sys,os
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| 17 | import traceback
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| 18 |
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| 19 | VboxBinDir = os.environ.get("VBOX_PROGRAM_PATH", None)
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| 20 | VboxSdkDir = os.environ.get("VBOX_SDK_PATH", None)
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| 21 |
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| 22 | if VboxBinDir is None:
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| 23 | # Will be set by the installer
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| 24 | VboxBinDir = "%VBOX_INSTALL_PATH%"
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| 25 |
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| 26 | if VboxSdkDir is None:
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| 27 | VboxSdkDir = VboxBinDir+"/sdk"
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| 28 |
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| 29 | os.environ["VBOX_PROGRAM_PATH"] = VboxBinDir
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| 30 | os.environ["VBOX_SDK_PATH"] = VboxSdkDir
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| 31 | sys.path.append(VboxBinDir)
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| 32 |
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| 33 | from VirtualBox_constants import VirtualBoxReflectionInfo
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| 34 |
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| 35 | class PerfCollector:
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| 36 | """ This class provides a wrapper over IPerformanceCollector in order to
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| 37 | get more 'pythonic' interface.
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| 38 |
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| 39 | To begin collection of metrics use setup() method.
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| 40 |
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| 41 | To get collected data use query() method.
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| 42 |
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| 43 | It is possible to disable metric collection without changing collection
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| 44 | parameters with disable() method. The enable() method resumes metric
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| 45 | collection.
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| 46 | """
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| 47 |
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| 48 | def __init__(self, vb):
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| 49 | """ Initializes the instance.
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| 50 |
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| 51 | Pass an instance of IVirtualBox as parameter.
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| 52 | """
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| 53 | self.collector = vb.performanceCollector
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| 54 |
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| 55 | def setup(self, names, objects, period, nsamples):
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| 56 | """ Discards all previously collected values for the specified
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| 57 | metrics, sets the period of collection and the number of retained
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| 58 | samples, enables collection.
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| 59 | """
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| 60 | self.collector.setupMetrics(names, objects, period, nsamples)
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| 61 |
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| 62 | def enable(self, names, objects):
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| 63 | """ Resumes metric collection for the specified metrics.
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| 64 | """
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| 65 | self.collector.enableMetrics(names, objects)
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| 66 |
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| 67 | def disable(self, names, objects):
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| 68 | """ Suspends metric collection for the specified metrics.
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| 69 | """
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| 70 | self.collector.disableMetrics(names, objects)
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| 71 |
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| 72 | def query(self, names, objects):
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| 73 | """ Retrieves collected metric values as well as some auxiliary
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| 74 | information. Returns an array of dictionaries, one dictionary per
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| 75 | metric. Each dictionary contains the following entries:
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| 76 | 'name': metric name
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| 77 | 'object': managed object this metric associated with
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| 78 | 'unit': unit of measurement
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| 79 | 'scale': divide 'values' by this number to get float numbers
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| 80 | 'values': collected data
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| 81 | 'values_as_string': pre-processed values ready for 'print' statement
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| 82 | """
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| 83 | (values, names_out, objects_out, units, scales, sequence_numbers,
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| 84 | indices, lengths) = self.collector.queryMetricsData(names, objects)
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| 85 | out = []
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| 86 | for i in xrange(0, len(names_out)):
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| 87 | scale = int(scales[i])
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| 88 | if scale != 1:
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| 89 | fmt = '%.2f%s'
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| 90 | else:
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| 91 | fmt = '%d %s'
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| 92 | out.append({
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| 93 | 'name':str(names_out[i]),
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| 94 | 'object':str(objects_out[i]),
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| 95 | 'unit':str(units[i]),
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| 96 | 'scale':scale,
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| 97 | 'values':[int(values[j]) for j in xrange(int(indices[i]), int(indices[i])+int(lengths[i]))],
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| 98 | 'values_as_string':'['+', '.join([fmt % (int(values[j])/scale, units[i]) for j in xrange(int(indices[i]), int(indices[i])+int(lengths[i]))])+']'
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| 99 | })
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| 100 | return out
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| 101 |
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| 102 | def ComifyName(name):
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| 103 | return name[0].capitalize()+name[1:]
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| 104 |
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| 105 | _COMForward = { 'getattr' : None,
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| 106 | 'setattr' : None}
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| 107 |
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| 108 | def CustomGetAttr(self, attr):
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| 109 | # fastpath
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| 110 | if self.__class__.__dict__.get(attr) != None:
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| 111 | return self.__class__.__dict__.get(attr)
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| 112 |
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| 113 | # try case-insensitivity workaround for class attributes (COM methods)
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| 114 | for k in self.__class__.__dict__.keys():
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| 115 | if k.lower() == attr.lower():
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| 116 | self.__class__.__dict__[attr] = self.__class__.__dict__[k]
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| 117 | return getattr(self, k)
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| 118 | try:
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| 119 | return _COMForward['getattr'](self,ComifyName(attr))
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| 120 | except AttributeError:
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| 121 | return _COMForward['getattr'](self,attr)
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| 122 |
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| 123 | def CustomSetAttr(self, attr, value):
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| 124 | try:
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| 125 | return _COMForward['setattr'](self, ComifyName(attr), value)
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| 126 | except AttributeError:
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| 127 | return _COMForward['setattr'](self, attr, value)
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| 128 |
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| 129 | class PlatformMSCOM:
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| 130 | # Class to fake access to constants in style of foo.bar.boo
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| 131 | class ConstantFake:
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| 132 | def __init__(self, parent, name):
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| 133 | self.__dict__['_parent'] = parent
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| 134 | self.__dict__['_name'] = name
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| 135 | self.__dict__['_consts'] = {}
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| 136 | try:
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| 137 | self.__dict__['_depth']=parent.__dict__['_depth']+1
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| 138 | except:
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| 139 | self.__dict__['_depth']=0
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| 140 | if self.__dict__['_depth'] > 4:
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| 141 | raise AttributeError
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| 142 |
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| 143 | def __getattr__(self, attr):
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| 144 | import win32com
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| 145 | from win32com.client import constants
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| 146 |
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| 147 | if attr.startswith("__"):
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| 148 | raise AttributeError
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| 149 |
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| 150 | consts = self.__dict__['_consts']
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| 151 |
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| 152 | fake = consts.get(attr, None)
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| 153 | if fake != None:
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| 154 | return fake
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| 155 | try:
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| 156 | name = self.__dict__['_name']
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| 157 | parent = self.__dict__['_parent']
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| 158 | while parent != None:
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| 159 | if parent._name is not None:
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| 160 | name = parent._name+'_'+name
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| 161 | parent = parent._parent
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| 162 |
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| 163 | if name is not None:
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| 164 | name += "_" + attr
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| 165 | else:
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| 166 | name = attr
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| 167 | return win32com.client.constants.__getattr__(name)
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| 168 | except AttributeError,e:
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| 169 | fake = PlatformMSCOM.ConstantFake(self, attr)
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| 170 | consts[attr] = fake
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| 171 | return fake
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| 172 |
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| 173 |
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| 174 | class InterfacesWrapper:
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| 175 | def __init__(self):
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| 176 | self.__dict__['_rootFake'] = PlatformMSCOM.ConstantFake(None, None)
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| 177 |
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| 178 | def __getattr__(self, a):
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| 179 | import win32com
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| 180 | from win32com.client import constants
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| 181 | if a.startswith("__"):
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| 182 | raise AttributeError
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| 183 | try:
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| 184 | return win32com.client.constants.__getattr__(a)
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| 185 | except AttributeError,e:
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| 186 | return self.__dict__['_rootFake'].__getattr__(a)
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| 187 |
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| 188 | VBOX_TLB_GUID = '{46137EEC-703B-4FE5-AFD4-7C9BBBBA0259}'
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| 189 | VBOX_TLB_LCID = 0
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| 190 | VBOX_TLB_MAJOR = 1
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| 191 | VBOX_TLB_MINOR = 0
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| 192 |
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| 193 | def __init__(self, params):
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| 194 | from win32com import universal
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| 195 | from win32com.client import gencache, DispatchBaseClass
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| 196 | from win32com.client import constants, getevents
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| 197 | import win32com
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| 198 | import pythoncom
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| 199 | import win32api
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| 200 | self.constants = PlatformMSCOM.InterfacesWrapper()
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| 201 | from win32con import DUPLICATE_SAME_ACCESS
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| 202 | from win32api import GetCurrentThread,GetCurrentThreadId,DuplicateHandle,GetCurrentProcess
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| 203 | pid = GetCurrentProcess()
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| 204 | self.tid = GetCurrentThreadId()
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| 205 | handle = DuplicateHandle(pid, GetCurrentThread(), pid, 0, 0, DUPLICATE_SAME_ACCESS)
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| 206 | self.handles = []
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| 207 | self.handles.append(handle)
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| 208 | _COMForward['getattr'] = DispatchBaseClass.__dict__['__getattr__']
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| 209 | DispatchBaseClass.__dict__['__getattr__'] = CustomGetAttr
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| 210 | _COMForward['setattr'] = DispatchBaseClass.__dict__['__setattr__']
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| 211 | DispatchBaseClass.__dict__['__setattr__'] = CustomSetAttr
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| 212 | win32com.client.gencache.EnsureDispatch('VirtualBox.Session')
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| 213 | win32com.client.gencache.EnsureDispatch('VirtualBox.VirtualBox')
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| 214 |
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| 215 | def getSessionObject(self, vbox):
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| 216 | import win32com
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| 217 | from win32com.client import Dispatch
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| 218 | return win32com.client.Dispatch("VirtualBox.Session")
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| 219 |
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| 220 | def getVirtualBox(self):
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| 221 | import win32com
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| 222 | from win32com.client import Dispatch
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| 223 | return win32com.client.Dispatch("VirtualBox.VirtualBox")
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| 224 |
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| 225 | def getConstants(self):
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| 226 | return self.constants
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| 227 |
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| 228 | def getType(self):
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| 229 | return 'MSCOM'
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| 230 |
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| 231 | def getRemote(self):
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| 232 | return False
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| 233 |
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| 234 | def getArray(self, obj, field):
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| 235 | return obj.__getattr__(field)
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| 236 |
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| 237 | def initPerThread(self):
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| 238 | import pythoncom
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| 239 | pythoncom.CoInitializeEx(0)
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| 240 |
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| 241 | def deinitPerThread(self):
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| 242 | import pythoncom
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| 243 | pythoncom.CoUninitialize()
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| 244 |
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| 245 | def createCallback(self, iface, impl, arg):
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| 246 | d = {}
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| 247 | d['BaseClass'] = impl
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| 248 | d['arg'] = arg
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| 249 | d['tlb_guid'] = PlatformMSCOM.VBOX_TLB_GUID
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| 250 | str = ""
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| 251 | str += "import win32com.server.util\n"
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| 252 | #str += "import win32com.server.register\n"
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| 253 | #str += "from win32com import universal\n"
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| 254 | str += "import pythoncom\n"
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| 255 | #str += "universal.RegisterInterfaces(tlb_guid, 0, 1, 0, ['"+iface+"'])\n"
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| 256 |
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| 257 | str += "class "+iface+"Impl(BaseClass):\n"
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| 258 | str += " _com_interfaces_ = ['"+iface+"']\n"
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| 259 | str += " _typelib_guid_ = tlb_guid\n"
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| 260 | str += " _typelib_version_ = 1, 0\n"
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| 261 | #str += " _reg_clsctx_ = pythoncom.CLSCTX_LOCAL_SERVER\n"
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| 262 | #str += " _reg_clsid_ = '{F21202A2-959A-4149-B1C3-68B9013F3335}'\n"
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| 263 | #str += " _reg_progid_ = 'VirtualBox."+iface+"Impl'\n"
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| 264 | #str += " _reg_desc_ = 'Generated callback implementation class'\n"
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| 265 | #str += " _reg_policy_spec_ = 'win32com.server.policy.EventHandlerPolicy'\n"
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| 266 |
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| 267 | # generate capitalized version of callbacks - that's how Python COM
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| 268 | # looks them up on Windows
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| 269 | for m in dir(impl):
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| 270 | if m.startswith("on"):
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| 271 | str += " "+m[0].capitalize()+m[1:]+"=BaseClass."+m+"\n"
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| 272 |
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| 273 | str += " def __init__(self): BaseClass.__init__(self, arg)\n"
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| 274 | #str += "win32com.server.register.UseCommandLine("+iface+"Impl)\n"
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| 275 |
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| 276 | str += "result = win32com.server.util.wrap("+iface+"Impl())\n"
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| 277 | exec (str,d,d)
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| 278 | return d['result']
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| 279 |
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| 280 | def waitForEvents(self, timeout):
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| 281 | from win32api import GetCurrentThreadId
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| 282 | from win32event import MsgWaitForMultipleObjects, \
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| 283 | QS_ALLINPUT, WAIT_TIMEOUT, WAIT_OBJECT_0
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| 284 | from pythoncom import PumpWaitingMessages
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| 285 |
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| 286 | if (self.tid != GetCurrentThreadId()):
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| 287 | raise Exception("wait for events from the same thread you inited!")
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| 288 |
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| 289 | rc = MsgWaitForMultipleObjects(self.handles, 0, timeout, QS_ALLINPUT)
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| 290 | if rc >= WAIT_OBJECT_0 and rc < WAIT_OBJECT_0+len(self.handles):
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| 291 | # is it possible?
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| 292 | pass
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| 293 | elif rc==WAIT_OBJECT_0 + len(self.handles):
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| 294 | # Waiting messages
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| 295 | PumpWaitingMessages()
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| 296 | else:
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| 297 | # Timeout
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| 298 | pass
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| 299 |
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| 300 | def deinit(self):
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| 301 | import pythoncom
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| 302 | from win32file import CloseHandle
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| 303 |
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| 304 | for h in self.handles:
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| 305 | if h is not None:
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| 306 | CloseHandle(h)
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| 307 | self.handles = None
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| 308 | pythoncom.CoUninitialize()
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| 309 | pass
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| 310 |
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| 311 | def getPerfCollector(self, vbox):
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| 312 | return PerfCollector(vbox)
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| 313 |
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| 314 |
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| 315 | class PlatformXPCOM:
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| 316 | def __init__(self, params):
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| 317 | sys.path.append(VboxSdkDir+'/bindings/xpcom/python/')
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| 318 | import xpcom.vboxxpcom
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| 319 | import xpcom
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| 320 | import xpcom.components
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| 321 |
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| 322 | def getSessionObject(self, vbox):
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| 323 | import xpcom.components
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| 324 | return xpcom.components.classes["@virtualbox.org/Session;1"].createInstance()
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| 325 |
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| 326 | def getVirtualBox(self):
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| 327 | import xpcom.components
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| 328 | return xpcom.components.classes["@virtualbox.org/VirtualBox;1"].createInstance()
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| 329 |
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| 330 | def getConstants(self):
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| 331 | import xpcom.components
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| 332 | return xpcom.components.interfaces
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| 333 |
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| 334 | def getType(self):
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| 335 | return 'XPCOM'
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| 336 |
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| 337 | def getRemote(self):
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| 338 | return False
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| 339 |
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| 340 | def getArray(self, obj, field):
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| 341 | return obj.__getattr__('get'+field.capitalize())()
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| 342 |
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| 343 | def initPerThread(self):
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| 344 | pass
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| 345 |
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| 346 | def deinitPerThread(self):
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| 347 | pass
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| 348 |
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| 349 | def createCallback(self, iface, impl, arg):
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| 350 | d = {}
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| 351 | d['BaseClass'] = impl
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| 352 | d['arg'] = arg
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| 353 | str = ""
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| 354 | str += "import xpcom.components\n"
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| 355 | str += "class "+iface+"Impl(BaseClass):\n"
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| 356 | str += " _com_interfaces_ = xpcom.components.interfaces."+iface+"\n"
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| 357 | str += " def __init__(self): BaseClass.__init__(self, arg)\n"
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| 358 | str += "result = "+iface+"Impl()\n"
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| 359 | exec (str,d,d)
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| 360 | return d['result']
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| 361 |
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| 362 | def waitForEvents(self, timeout):
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| 363 | import xpcom
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| 364 | xpcom._xpcom.WaitForEvents(timeout)
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| 365 |
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| 366 | def deinit(self):
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| 367 | import xpcom
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| 368 | xpcom._xpcom.DeinitCOM()
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| 369 |
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| 370 | def getPerfCollector(self, vbox):
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| 371 | return PerfCollector(vbox)
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| 372 |
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| 373 | class PlatformWEBSERVICE:
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| 374 | def __init__(self, params):
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| 375 | sys.path.append(VboxSdkDir+'/bindings/webservice/python/lib')
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| 376 | import VirtualBox_services
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| 377 | import VirtualBox_wrappers
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| 378 | from VirtualBox_wrappers import IWebsessionManager2
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| 379 | if params is not None:
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| 380 | self.user = params.get("user", "")
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| 381 | self.password = params.get("password", "")
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| 382 | self.url = params.get("url", "")
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| 383 | else:
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| 384 | self.user = ""
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| 385 | self.password = ""
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| 386 | self.url = None
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| 387 | self.wsmgr = IWebsessionManager2(self.url)
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| 388 |
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| 389 | def getSessionObject(self, vbox):
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| 390 | return self.wsmgr.getSessionObject(vbox)
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| 391 |
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| 392 | def getVirtualBox(self):
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| 393 | self.vbox = self.wsmgr.logon(self.user, self.password)
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| 394 |
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| 395 | def getConstants(self):
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| 396 | return None
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| 397 |
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| 398 | def getType(self):
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| 399 | return 'WEBSERVICE'
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| 400 |
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| 401 | def getRemote(self):
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| 402 | return True
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| 403 |
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| 404 | def getArray(self, obj, field):
|
|---|
| 405 | return obj.__getattr__(field)
|
|---|
| 406 |
|
|---|
| 407 | def initPerThread(self):
|
|---|
| 408 | pass
|
|---|
| 409 |
|
|---|
| 410 | def deinitPerThread(self):
|
|---|
| 411 | pass
|
|---|
| 412 |
|
|---|
| 413 | def createCallback(self, iface, impl, arg):
|
|---|
| 414 | raise Exception("no callbacks for webservices")
|
|---|
| 415 |
|
|---|
| 416 | def waitForEvents(self, timeout):
|
|---|
| 417 | # Webservices cannot do that yet
|
|---|
| 418 | pass
|
|---|
| 419 |
|
|---|
| 420 | def deinit(self):
|
|---|
| 421 | try:
|
|---|
| 422 | if self.vbox is not None:
|
|---|
| 423 | self.wsmg.logoff(self.vbox)
|
|---|
| 424 | self.vbox = None
|
|---|
| 425 | except:
|
|---|
| 426 | pass
|
|---|
| 427 |
|
|---|
| 428 | def getPerfCollector(self, vbox):
|
|---|
| 429 | return PerfCollector(vbox)
|
|---|
| 430 |
|
|---|
| 431 | class SessionManager:
|
|---|
| 432 | def __init__(self, mgr):
|
|---|
| 433 | self.mgr = mgr
|
|---|
| 434 |
|
|---|
| 435 | def getSessionObject(self, vbox):
|
|---|
| 436 | return self.mgr.platform.getSessionObject(vbox)
|
|---|
| 437 |
|
|---|
| 438 | class VirtualBoxManager:
|
|---|
| 439 | def __init__(self, style, platparams):
|
|---|
| 440 | if style is None:
|
|---|
| 441 | if sys.platform == 'win32':
|
|---|
| 442 | style = "MSCOM"
|
|---|
| 443 | else:
|
|---|
| 444 | style = "XPCOM"
|
|---|
| 445 | try:
|
|---|
| 446 | exec "self.platform = Platform"+style+"(platparams)"
|
|---|
| 447 | self.vbox = self.platform.getVirtualBox()
|
|---|
| 448 | self.mgr = SessionManager(self)
|
|---|
| 449 | self.constants = VirtualBoxReflectionInfo()
|
|---|
| 450 | self.type = self.platform.getType()
|
|---|
| 451 | self.remote = self.platform.getRemote()
|
|---|
| 452 | self.style = style
|
|---|
| 453 | except Exception,e:
|
|---|
| 454 | print "init exception: ",e
|
|---|
| 455 | traceback.print_exc()
|
|---|
| 456 | raise e
|
|---|
| 457 |
|
|---|
| 458 | def getArray(self, obj, field):
|
|---|
| 459 | return self.platform.getArray(obj, field)
|
|---|
| 460 |
|
|---|
| 461 | def getVirtualBox(self):
|
|---|
| 462 | return self.platform.getVirtualBox()
|
|---|
| 463 |
|
|---|
| 464 | def __del__(self):
|
|---|
| 465 | self.deinit()
|
|---|
| 466 |
|
|---|
| 467 | def deinit(self):
|
|---|
| 468 | if hasattr(self, "vbox"):
|
|---|
| 469 | del self.vbox
|
|---|
| 470 | self.vbox = None
|
|---|
| 471 | if hasattr(self, "platform"):
|
|---|
| 472 | self.platform.deinit()
|
|---|
| 473 | self.platform = None
|
|---|
| 474 |
|
|---|
| 475 | def initPerThread(self):
|
|---|
| 476 | self.platform.initPerThread()
|
|---|
| 477 |
|
|---|
| 478 | def openMachineSession(self, machineId):
|
|---|
| 479 | session = self.mgr.getSessionObject(self.vbox)
|
|---|
| 480 | self.vbox.openSession(session, machineId)
|
|---|
| 481 | return session
|
|---|
| 482 |
|
|---|
| 483 | def closeMachineSession(self, session):
|
|---|
| 484 | session.close()
|
|---|
| 485 |
|
|---|
| 486 | def deinitPerThread(self):
|
|---|
| 487 | self.platform.deinitPerThread()
|
|---|
| 488 |
|
|---|
| 489 | def createCallback(self, iface, impl, arg):
|
|---|
| 490 | return self.platform.createCallback(iface, impl, arg)
|
|---|
| 491 |
|
|---|
| 492 | def waitForEvents(self, timeout):
|
|---|
| 493 | return self.platform.waitForEvents(timeout)
|
|---|
| 494 |
|
|---|
| 495 | def getPerfCollector(self, vbox):
|
|---|
| 496 | return PerfCollector(vbox)
|
|---|
