| 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.virtualbox.org. 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 = os.path.join(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, mgr, vbox):
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| 49 | """ Initializes the instance.
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| 50 |
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| 51 | """
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| 52 | self.mgr = mgr
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| 53 | self.isMscom = (mgr.type == 'MSCOM')
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| 54 | self.collector = vbox.performanceCollector
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| 55 |
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| 56 | def setup(self, names, objects, period, nsamples):
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| 57 | """ Discards all previously collected values for the specified
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| 58 | metrics, sets the period of collection and the number of retained
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| 59 | samples, enables collection.
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| 60 | """
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| 61 | self.collector.setupMetrics(names, objects, period, nsamples)
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| 62 |
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| 63 | def enable(self, names, objects):
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| 64 | """ Resumes metric collection for the specified metrics.
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| 65 | """
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| 66 | self.collector.enableMetrics(names, objects)
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| 67 |
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| 68 | def disable(self, names, objects):
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| 69 | """ Suspends metric collection for the specified metrics.
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| 70 | """
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| 71 | self.collector.disableMetrics(names, objects)
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| 72 |
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| 73 | def query(self, names, objects):
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| 74 | """ Retrieves collected metric values as well as some auxiliary
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| 75 | information. Returns an array of dictionaries, one dictionary per
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| 76 | metric. Each dictionary contains the following entries:
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| 77 | 'name': metric name
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| 78 | 'object': managed object this metric associated with
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| 79 | 'unit': unit of measurement
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| 80 | 'scale': divide 'values' by this number to get float numbers
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| 81 | 'values': collected data
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| 82 | 'values_as_string': pre-processed values ready for 'print' statement
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| 83 | """
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| 84 | # Get around the problem with input arrays returned in output
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| 85 | # parameters (see #3953) for MSCOM.
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| 86 | if self.isMscom:
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| 87 | (values, names, objects, names_out, objects_out, units, scales, sequence_numbers,
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| 88 | indices, lengths) = self.collector.queryMetricsData(names, objects)
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| 89 | else:
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| 90 | (values, names_out, objects_out, units, scales, sequence_numbers,
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| 91 | indices, lengths) = self.collector.queryMetricsData(names, objects)
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| 92 | out = []
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| 93 | for i in xrange(0, len(names_out)):
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| 94 | scale = int(scales[i])
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| 95 | if scale != 1:
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| 96 | fmt = '%.2f%s'
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| 97 | else:
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| 98 | fmt = '%d %s'
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| 99 | out.append({
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| 100 | 'name':str(names_out[i]),
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| 101 | 'object':str(objects_out[i]),
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| 102 | 'unit':str(units[i]),
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| 103 | 'scale':scale,
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| 104 | 'values':[int(values[j]) for j in xrange(int(indices[i]), int(indices[i])+int(lengths[i]))],
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| 105 | '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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| 106 | })
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| 107 | return out
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| 108 |
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| 109 | def ComifyName(name):
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| 110 | return name[0].capitalize()+name[1:]
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| 111 |
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| 112 | _COMForward = { 'getattr' : None,
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| 113 | 'setattr' : None}
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| 114 |
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| 115 | def CustomGetAttr(self, attr):
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| 116 | # fastpath
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| 117 | if self.__class__.__dict__.get(attr) != None:
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| 118 | return self.__class__.__dict__.get(attr)
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| 119 |
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| 120 | # try case-insensitivity workaround for class attributes (COM methods)
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| 121 | for k in self.__class__.__dict__.keys():
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| 122 | if k.lower() == attr.lower():
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| 123 | self.__class__.__dict__[attr] = self.__class__.__dict__[k]
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| 124 | return getattr(self, k)
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| 125 | try:
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| 126 | return _COMForward['getattr'](self,ComifyName(attr))
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| 127 | except AttributeError:
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| 128 | return _COMForward['getattr'](self,attr)
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| 129 |
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| 130 | def CustomSetAttr(self, attr, value):
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| 131 | try:
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| 132 | return _COMForward['setattr'](self, ComifyName(attr), value)
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| 133 | except AttributeError:
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| 134 | return _COMForward['setattr'](self, attr, value)
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| 135 |
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| 136 | class PlatformMSCOM:
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| 137 | # Class to fake access to constants in style of foo.bar.boo
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| 138 | class ConstantFake:
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| 139 | def __init__(self, parent, name):
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| 140 | self.__dict__['_parent'] = parent
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| 141 | self.__dict__['_name'] = name
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| 142 | self.__dict__['_consts'] = {}
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| 143 | try:
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| 144 | self.__dict__['_depth']=parent.__dict__['_depth']+1
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| 145 | except:
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| 146 | self.__dict__['_depth']=0
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| 147 | if self.__dict__['_depth'] > 4:
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| 148 | raise AttributeError
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| 149 |
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| 150 | def __getattr__(self, attr):
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| 151 | import win32com
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| 152 | from win32com.client import constants
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| 153 |
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| 154 | if attr.startswith("__"):
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| 155 | raise AttributeError
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| 156 |
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| 157 | consts = self.__dict__['_consts']
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| 158 |
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| 159 | fake = consts.get(attr, None)
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| 160 | if fake != None:
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| 161 | return fake
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| 162 | try:
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| 163 | name = self.__dict__['_name']
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| 164 | parent = self.__dict__['_parent']
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| 165 | while parent != None:
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| 166 | if parent._name is not None:
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| 167 | name = parent._name+'_'+name
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| 168 | parent = parent._parent
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| 169 |
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| 170 | if name is not None:
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| 171 | name += "_" + attr
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| 172 | else:
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| 173 | name = attr
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| 174 | return win32com.client.constants.__getattr__(name)
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| 175 | except AttributeError,e:
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| 176 | fake = PlatformMSCOM.ConstantFake(self, attr)
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| 177 | consts[attr] = fake
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| 178 | return fake
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| 179 |
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| 180 |
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| 181 | class InterfacesWrapper:
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| 182 | def __init__(self):
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| 183 | self.__dict__['_rootFake'] = PlatformMSCOM.ConstantFake(None, None)
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| 184 |
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| 185 | def __getattr__(self, a):
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| 186 | import win32com
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| 187 | from win32com.client import constants
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| 188 | if a.startswith("__"):
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| 189 | raise AttributeError
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| 190 | try:
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| 191 | return win32com.client.constants.__getattr__(a)
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| 192 | except AttributeError,e:
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| 193 | return self.__dict__['_rootFake'].__getattr__(a)
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| 194 |
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| 195 | VBOX_TLB_GUID = '{46137EEC-703B-4FE5-AFD4-7C9BBBBA0259}'
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| 196 | VBOX_TLB_LCID = 0
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| 197 | VBOX_TLB_MAJOR = 1
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| 198 | VBOX_TLB_MINOR = 0
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| 199 |
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| 200 | def __init__(self, params):
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| 201 | from win32com import universal
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| 202 | from win32com.client import gencache, DispatchBaseClass
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| 203 | from win32com.client import constants, getevents
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| 204 | import win32com
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| 205 | import pythoncom
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| 206 | import win32api
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| 207 | from win32con import DUPLICATE_SAME_ACCESS
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| 208 | from win32api import GetCurrentThread,GetCurrentThreadId,DuplicateHandle,GetCurrentProcess
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| 209 | pid = GetCurrentProcess()
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| 210 | self.tid = GetCurrentThreadId()
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| 211 | handle = DuplicateHandle(pid, GetCurrentThread(), pid, 0, 0, DUPLICATE_SAME_ACCESS)
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| 212 | self.handles = []
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| 213 | self.handles.append(handle)
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| 214 | _COMForward['getattr'] = DispatchBaseClass.__dict__['__getattr__']
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| 215 | DispatchBaseClass.__dict__['__getattr__'] = CustomGetAttr
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| 216 | _COMForward['setattr'] = DispatchBaseClass.__dict__['__setattr__']
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| 217 | DispatchBaseClass.__dict__['__setattr__'] = CustomSetAttr
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| 218 | win32com.client.gencache.EnsureDispatch('VirtualBox.Session')
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| 219 | win32com.client.gencache.EnsureDispatch('VirtualBox.VirtualBox')
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| 220 | win32com.client.gencache.EnsureDispatch('VirtualBox.CallbackWrapper')
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| 221 |
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| 222 | def getSessionObject(self, vbox):
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| 223 | import win32com
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| 224 | from win32com.client import Dispatch
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| 225 | return win32com.client.Dispatch("VirtualBox.Session")
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| 226 |
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| 227 | def getVirtualBox(self):
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| 228 | import win32com
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| 229 | from win32com.client import Dispatch
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| 230 | return win32com.client.Dispatch("VirtualBox.VirtualBox")
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| 231 |
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| 232 | def getType(self):
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| 233 | return 'MSCOM'
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| 234 |
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| 235 | def getRemote(self):
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| 236 | return False
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| 237 |
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| 238 | def getArray(self, obj, field):
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| 239 | return obj.__getattr__(field)
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| 240 |
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| 241 | def initPerThread(self):
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| 242 | import pythoncom
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| 243 | pythoncom.CoInitializeEx(0)
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| 244 |
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| 245 | def deinitPerThread(self):
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| 246 | import pythoncom
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| 247 | pythoncom.CoUninitialize()
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| 248 |
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| 249 | def createCallback(self, iface, impl, arg):
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| 250 | d = {}
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| 251 | d['BaseClass'] = impl
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| 252 | d['arg'] = arg
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| 253 | d['tlb_guid'] = PlatformMSCOM.VBOX_TLB_GUID
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| 254 | str = ""
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| 255 | str += "import win32com.server.util\n"
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| 256 | str += "import pythoncom\n"
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| 257 |
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| 258 | str += "class "+iface+"Impl(BaseClass):\n"
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| 259 | str += " _com_interfaces_ = ['"+iface+"']\n"
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| 260 | str += " _typelib_guid_ = tlb_guid\n"
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| 261 | str += " _typelib_version_ = 1, 0\n"
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| 262 | str += " _reg_clsctx_ = pythoncom.CLSCTX_INPROC_SERVER\n"
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| 263 | # Maybe we'd better implement Dynamic invoke policy, to be more flexible here
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| 264 | str += " _reg_policy_spec_ = 'win32com.server.policy.EventHandlerPolicy'\n"
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| 265 |
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| 266 | # generate capitalized version of callback methods -
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| 267 | # that's how Python COM looks them up
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| 268 | for m in dir(impl):
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| 269 | if m.startswith("on"):
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| 270 | str += " "+ComifyName(m)+"=BaseClass."+m+"\n"
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| 271 |
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| 272 | str += " def __init__(self): BaseClass.__init__(self, arg)\n"
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| 273 | str += "result = win32com.client.Dispatch('VirtualBox.CallbackWrapper')\n"
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| 274 | str += "result.SetLocalObject(win32com.server.util.wrap("+iface+"Impl()))\n"
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| 275 | exec (str,d,d)
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| 276 | return d['result']
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| 277 |
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| 278 | def waitForEvents(self, timeout):
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| 279 | from win32api import GetCurrentThreadId
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| 280 | from win32event import MsgWaitForMultipleObjects, \
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| 281 | QS_ALLINPUT, WAIT_TIMEOUT, WAIT_OBJECT_0
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| 282 | from pythoncom import PumpWaitingMessages
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| 283 |
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| 284 | if (self.tid != GetCurrentThreadId()):
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| 285 | raise Exception("wait for events from the same thread you inited!")
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| 286 |
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| 287 | rc = MsgWaitForMultipleObjects(self.handles, 0, timeout, QS_ALLINPUT)
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| 288 | if rc >= WAIT_OBJECT_0 and rc < WAIT_OBJECT_0+len(self.handles):
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| 289 | # is it possible?
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| 290 | pass
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| 291 | elif rc==WAIT_OBJECT_0 + len(self.handles):
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| 292 | # Waiting messages
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| 293 | PumpWaitingMessages()
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| 294 | else:
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| 295 | # Timeout
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| 296 | pass
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| 297 |
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| 298 | def interruptWaitEvents(self):
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| 299 | from win32api import PostThreadMessage
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| 300 | from win32con import WM_USER
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| 301 | PostThreadMessage(self.tid, WM_USER, None, None)
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| 302 |
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| 303 | def deinit(self):
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| 304 | import pythoncom
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| 305 | from win32file import CloseHandle
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| 306 |
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| 307 | for h in self.handles:
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| 308 | if h is not None:
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| 309 | CloseHandle(h)
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| 310 | self.handles = None
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| 311 | pythoncom.CoUninitialize()
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| 312 | pass
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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 getType(self):
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| 331 | return 'XPCOM'
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| 332 |
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| 333 | def getRemote(self):
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| 334 | return False
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| 335 |
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| 336 | def getArray(self, obj, field):
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| 337 | return obj.__getattr__('get'+ComifyName(field))()
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| 338 |
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| 339 | def initPerThread(self):
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| 340 | import xpcom
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| 341 | xpcom._xpcom.AttachThread()
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| 342 |
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| 343 | def deinitPerThread(self):
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| 344 | import xpcom
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| 345 | xpcom._xpcom.DetachThread()
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| 346 |
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| 347 | def createCallback(self, iface, impl, arg):
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| 348 | d = {}
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| 349 | d['BaseClass'] = impl
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| 350 | d['arg'] = arg
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| 351 | str = ""
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| 352 | str += "import xpcom.components\n"
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| 353 | str += "class "+iface+"Impl(BaseClass):\n"
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| 354 | str += " _com_interfaces_ = xpcom.components.interfaces."+iface+"\n"
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| 355 | str += " def __init__(self): BaseClass.__init__(self, arg)\n"
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| 356 | str += "result = xpcom.components.classes['@virtualbox.org/CallbackWrapper;1'].createInstance()\n"
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| 357 | str += "result.setLocalObject("+iface+"Impl())\n"
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| 358 | exec (str,d,d)
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| 359 | return d['result']
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| 360 |
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| 361 | def waitForEvents(self, timeout):
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| 362 | import xpcom
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| 363 | xpcom._xpcom.WaitForEvents(timeout)
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| 364 |
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| 365 | def interruptWaitEvents(self):
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| 366 | import xpcom
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| 367 | xpcom._xpcom.InterruptWait()
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| 368 |
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| 369 | def deinit(self):
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| 370 | import xpcom
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| 371 | xpcom._xpcom.DeinitCOM()
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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(os.path.join(VboxSdkDir,'bindings', 'webservice', 'python', 'lib'))
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| 376 | # not really needed, but just fail early if misconfigured
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| 377 | import VirtualBox_services
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| 378 | import VirtualBox_wrappers
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| 379 | from VirtualBox_wrappers import IWebsessionManager2
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| 380 |
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| 381 | if params is not None:
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| 382 | self.user = params.get("user", "")
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| 383 | self.password = params.get("password", "")
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| 384 | self.url = params.get("url", "")
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| 385 | else:
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| 386 | self.user = ""
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| 387 | self.password = ""
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| 388 | self.url = None
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| 389 | self.vbox = None
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| 390 |
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| 391 | def getSessionObject(self, vbox):
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| 392 | return self.wsmgr.getSessionObject(vbox)
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| 393 |
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| 394 | def getVirtualBox(self):
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| 395 | return self.connect(self.url, self.user, self.password)
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| 396 |
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| 397 | def connect(self, url, user, passwd):
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| 398 | if self.vbox is not None:
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| 399 | self.disconnect()
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| 400 | from VirtualBox_wrappers import IWebsessionManager2
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| 401 | if url is None:
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| 402 | url = ""
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| 403 | self.url = url
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| 404 | if user is None:
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| 405 | user = ""
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| 406 | self.user = user
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| 407 | if passwd is None:
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| 408 | passwd = ""
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| 409 | self.password = passwd
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| 410 | self.wsmgr = IWebsessionManager2(self.url)
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| 411 | self.vbox = self.wsmgr.logon(self.user, self.password)
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| 412 | if not self.vbox.handle:
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| 413 | raise Exception("cannot connect to '"+self.url+"' as '"+self.user+"'")
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| 414 | return self.vbox
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| 415 |
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| 416 | def disconnect(self):
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| 417 | if self.vbox is not None and self.wsmgr is not None:
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| 418 | self.wsmgr.logoff(self.vbox)
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| 419 | self.vbox = None
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| 420 | self.wsmgr = None
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| 421 |
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| 422 | def getType(self):
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| 423 | return 'WEBSERVICE'
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| 424 |
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| 425 | def getRemote(self):
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| 426 | return True
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| 427 |
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| 428 | def getArray(self, obj, field):
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| 429 | return obj.__getattr__(field)
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| 430 |
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| 431 | def initPerThread(self):
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| 432 | pass
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| 433 |
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| 434 | def deinitPerThread(self):
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| 435 | pass
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| 436 |
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| 437 | def createCallback(self, iface, impl, arg):
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| 438 | raise Exception("no callbacks for webservices")
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| 439 |
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| 440 | def waitForEvents(self, timeout):
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| 441 | # Webservices cannot do that yet
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| 442 | pass
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| 443 |
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| 444 | def interruptWaitEvents(self, timeout):
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| 445 | # Webservices cannot do that yet
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| 446 | pass
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| 447 |
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| 448 | def deinit(self):
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| 449 | try:
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| 450 | disconnect()
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| 451 | except:
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| 452 | pass
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| 453 |
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| 454 | class SessionManager:
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| 455 | def __init__(self, mgr):
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| 456 | self.mgr = mgr
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| 457 |
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| 458 | def getSessionObject(self, vbox):
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| 459 | return self.mgr.platform.getSessionObject(vbox)
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| 460 |
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| 461 | class VirtualBoxManager:
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| 462 | def __init__(self, style, platparams):
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| 463 | if style is None:
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| 464 | if sys.platform == 'win32':
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| 465 | style = "MSCOM"
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| 466 | else:
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| 467 | style = "XPCOM"
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| 468 |
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| 469 |
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| 470 | exec "self.platform = Platform"+style+"(platparams)"
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| 471 | # for webservices, enums are symbolic
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| 472 | self.constants = VirtualBoxReflectionInfo(style == "WEBSERVICE")
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| 473 | self.type = self.platform.getType()
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| 474 | self.remote = self.platform.getRemote()
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| 475 | self.style = style
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| 476 | self.mgr = SessionManager(self)
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| 477 |
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| 478 | try:
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| 479 | self.vbox = self.platform.getVirtualBox()
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| 480 | except NameError,ne:
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| 481 | print "Installation problem: check that appropriate libs in place"
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| 482 | traceback.print_exc()
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| 483 | raise ne
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| 484 | except Exception,e:
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| 485 | print "init exception: ",e
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| 486 | traceback.print_exc()
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| 487 | if self.remote:
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| 488 | self.vbox = None
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| 489 | else:
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| 490 | raise e
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| 491 |
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| 492 | def getArray(self, obj, field):
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| 493 | return self.platform.getArray(obj, field)
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| 494 |
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| 495 | def getVirtualBox(self):
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| 496 | return self.platform.getVirtualBox()
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| 497 |
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| 498 | def __del__(self):
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| 499 | self.deinit()
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| 500 |
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| 501 | def deinit(self):
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| 502 | if hasattr(self, "vbox"):
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| 503 | del self.vbox
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| 504 | self.vbox = None
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| 505 | if hasattr(self, "platform"):
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| 506 | self.platform.deinit()
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| 507 | self.platform = None
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| 508 |
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| 509 | def initPerThread(self):
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| 510 | self.platform.initPerThread()
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| 511 |
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| 512 | def openMachineSession(self, machineId):
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| 513 | session = self.mgr.getSessionObject(self.vbox)
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| 514 | self.vbox.openSession(session, machineId)
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| 515 | return session
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| 516 |
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| 517 | def closeMachineSession(self, session):
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| 518 | session.close()
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| 519 |
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| 520 | def deinitPerThread(self):
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|---|
| 521 | self.platform.deinitPerThread()
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| 522 |
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|---|
| 523 | def createCallback(self, iface, impl, arg):
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| 524 | return self.platform.createCallback(iface, impl, arg)
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| 525 |
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| 526 | def waitForEvents(self, timeout):
|
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| 527 | return self.platform.waitForEvents(timeout)
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| 528 |
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| 529 | def interruptWaitEvents(self):
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| 530 | return self.platform.interruptWaitEvents()
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| 531 |
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|---|
| 532 | def getPerfCollector(self, vbox):
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| 533 | return PerfCollector(self, vbox)
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