| 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 = 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 | class PlatformMSCOM:
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| 103 | # Class to fake access to constants in style of foo.bar.boo
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| 104 | class ConstantFake:
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| 105 | def __init__(self, parent, name):
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| 106 | self.__dict__['_parent'] = parent
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| 107 | self.__dict__['_name'] = name
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| 108 | self.__dict__['_consts'] = {}
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| 109 | try:
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| 110 | self.__dict__['_depth']=parent.__dict__['_depth']+1
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| 111 | except:
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| 112 | self.__dict__['_depth']=0
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| 113 | if self.__dict__['_depth'] > 4:
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| 114 | raise AttributeError
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| 115 |
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| 116 | def __getattr__(self, attr):
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| 117 | import win32com
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| 118 | from win32com.client import constants
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| 119 |
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| 120 | if attr.startswith("__"):
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| 121 | raise AttributeError
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| 122 |
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| 123 | consts = self.__dict__['_consts']
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| 124 |
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| 125 | fake = consts.get(attr, None)
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| 126 | if fake != None:
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| 127 | return fake
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| 128 | try:
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| 129 | name = self.__dict__['_name']
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| 130 | parent = self.__dict__['_parent']
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| 131 | while parent != None:
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| 132 | if parent._name is not None:
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| 133 | name = parent._name+'_'+name
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| 134 | parent = parent._parent
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| 135 |
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| 136 | if name is not None:
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| 137 | name += "_" + attr
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| 138 | else:
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| 139 | name = attr
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| 140 | return win32com.client.constants.__getattr__(name)
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| 141 | except AttributeError,e:
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| 142 | fake = PlatformMSCOM.ConstantFake(self, attr)
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| 143 | consts[attr] = fake
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| 144 | return fake
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| 145 |
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| 146 |
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| 147 | class InterfacesWrapper:
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| 148 | def __init__(self):
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| 149 | self.__dict__['_rootFake'] = PlatformMSCOM.ConstantFake(None, None)
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| 150 |
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| 151 | def __getattr__(self, a):
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| 152 | import win32com
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| 153 | from win32com.client import constants
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| 154 | if a.startswith("__"):
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| 155 | raise AttributeError
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| 156 | try:
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| 157 | return win32com.client.constants.__getattr__(a)
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| 158 | except AttributeError,e:
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| 159 | return self.__dict__['_rootFake'].__getattr__(a)
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| 160 |
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| 161 | VBOX_TLB_GUID = '{46137EEC-703B-4FE5-AFD4-7C9BBBBA0259}'
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| 162 | VBOX_TLB_LCID = 0
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| 163 | VBOX_TLB_MAJOR = 1
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| 164 | VBOX_TLB_MINOR = 0
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| 165 |
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| 166 | def __init__(self, params):
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| 167 | from win32com import universal
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| 168 | from win32com.client import gencache, DispatchWithEvents, Dispatch
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| 169 | from win32com.client import constants, getevents
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| 170 | import win32com
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| 171 | import pythoncom
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| 172 | import win32api
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| 173 | self.constants = PlatformMSCOM.InterfacesWrapper()
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| 174 | from win32con import DUPLICATE_SAME_ACCESS
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| 175 | from win32api import GetCurrentThread,GetCurrentThreadId,DuplicateHandle,GetCurrentProcess
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| 176 | pid = GetCurrentProcess()
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| 177 | self.tid = GetCurrentThreadId()
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| 178 | handle = DuplicateHandle(pid, GetCurrentThread(), pid, 0, 0, DUPLICATE_SAME_ACCESS)
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| 179 | self.handles = []
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| 180 | self.handles.append(handle)
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| 181 |
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| 182 |
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| 183 | def getSessionObject(self, vbox):
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| 184 | import win32com
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| 185 | from win32com.client import Dispatch
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| 186 | return win32com.client.Dispatch("VirtualBox.Session")
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| 187 |
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| 188 | def getVirtualBox(self):
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| 189 | import win32com
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| 190 | from win32com.client import Dispatch
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| 191 | return win32com.client.Dispatch("VirtualBox.VirtualBox")
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| 192 |
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| 193 | def getConstants(self):
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| 194 | return self.constants
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| 195 |
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| 196 | def getType(self):
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| 197 | return 'MSCOM'
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| 198 |
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| 199 | def getRemote(self):
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| 200 | return False
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| 201 |
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| 202 | def getArray(self, obj, field):
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| 203 | return obj.__getattr__(field)
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| 204 |
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| 205 | def initPerThread(self):
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| 206 | import pythoncom
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| 207 | pythoncom.CoInitializeEx(0)
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| 208 |
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| 209 | def deinitPerThread(self):
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| 210 | import pythoncom
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| 211 | pythoncom.CoUninitialize()
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| 212 |
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| 213 | def createCallback(self, iface, impl, arg):
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| 214 | d = {}
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| 215 | d['BaseClass'] = impl
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| 216 | d['arg'] = arg
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| 217 | d['tlb_guid'] = PlatformMSCOM.VBOX_TLB_GUID
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| 218 | str = ""
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| 219 | str += "import win32com.server.util\n"
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| 220 | #str += "import win32com.server.register\n"
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| 221 | #str += "from win32com import universal\n"
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| 222 | str += "import pythoncom\n"
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| 223 | #str += "universal.RegisterInterfaces(tlb_guid, 0, 1, 0, ['"+iface+"'])\n"
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| 224 |
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| 225 | str += "class "+iface+"Impl(BaseClass):\n"
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| 226 | str += " _com_interfaces_ = ['"+iface+"']\n"
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| 227 | str += " _typelib_guid_ = tlb_guid\n"
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| 228 | str += " _typelib_version_ = 1, 0\n"
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| 229 | #str += " _reg_clsctx_ = pythoncom.CLSCTX_LOCAL_SERVER\n"
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| 230 | #str += " _reg_clsid_ = '{F21202A2-959A-4149-B1C3-68B9013F3335}'\n"
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| 231 | #str += " _reg_progid_ = 'VirtualBox."+iface+"Impl'\n"
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| 232 | #str += " _reg_desc_ = 'Generated callback implementation class'\n"
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| 233 | #str += " _reg_policy_spec_ = 'win32com.server.policy.EventHandlerPolicy'\n"
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| 234 |
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| 235 | # generate capitalized version of callbacks - that's how Python COM
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| 236 | # looks them up on Windows
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| 237 | for m in dir(impl):
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| 238 | if m.startswith("on"):
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| 239 | str += " "+m[0].capitalize()+m[1:]+"=BaseClass."+m+"\n"
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| 240 |
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| 241 | str += " def __init__(self): BaseClass.__init__(self, arg)\n"
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| 242 | #str += "win32com.server.register.UseCommandLine("+iface+"Impl)\n"
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| 243 |
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| 244 | str += "result = win32com.server.util.wrap("+iface+"Impl())\n"
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| 245 | exec (str,d,d)
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| 246 | return d['result']
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| 247 |
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| 248 | def waitForEvents(self, timeout):
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| 249 | from win32api import GetCurrentThreadId
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| 250 | from win32event import MsgWaitForMultipleObjects, \
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| 251 | QS_ALLINPUT, WAIT_TIMEOUT, WAIT_OBJECT_0
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| 252 | from pythoncom import PumpWaitingMessages
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| 253 |
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| 254 | if (self.tid != GetCurrentThreadId()):
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| 255 | raise Exception("wait for events from the same thread you inited!")
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| 256 |
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| 257 | rc = MsgWaitForMultipleObjects(self.handles, 0, timeout, QS_ALLINPUT)
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| 258 | if rc >= WAIT_OBJECT_0 and rc < WAIT_OBJECT_0+len(self.handles):
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| 259 | # is it possible?
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| 260 | pass
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| 261 | elif rc==WAIT_OBJECT_0 + len(self.handles):
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| 262 | # Waiting messages
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| 263 | PumpWaitingMessages()
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| 264 | else:
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| 265 | # Timeout
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| 266 | pass
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| 267 |
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| 268 | def deinit(self):
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| 269 | import pythoncom
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| 270 | from win32file import CloseHandle
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| 271 |
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| 272 | for h in self.handles:
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| 273 | if h is not None:
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| 274 | CloseHandle(h)
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| 275 | self.handles = None
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| 276 | pythoncom.CoUninitialize()
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| 277 | pass
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| 278 |
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| 279 | def getPerfCollector(self, vbox):
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| 280 | # MS COM cannot invoke performance collector methods yet
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| 281 | return None
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| 282 |
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| 283 |
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| 284 | class PlatformXPCOM:
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| 285 | def __init__(self, params):
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| 286 | sys.path.append(VboxSdkDir+'/bindings/xpcom/python/')
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| 287 | import xpcom.vboxxpcom
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| 288 | import xpcom
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| 289 | import xpcom.components
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| 290 |
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| 291 | def getSessionObject(self, vbox):
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| 292 | import xpcom.components
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| 293 | return xpcom.components.classes["@virtualbox.org/Session;1"].createInstance()
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| 294 |
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| 295 | def getVirtualBox(self):
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| 296 | import xpcom.components
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| 297 | return xpcom.components.classes["@virtualbox.org/VirtualBox;1"].createInstance()
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| 298 |
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| 299 | def getConstants(self):
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| 300 | import xpcom.components
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| 301 | return xpcom.components.interfaces
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| 302 |
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| 303 | def getType(self):
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| 304 | return 'XPCOM'
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| 305 |
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| 306 | def getRemote(self):
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| 307 | return False
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| 308 |
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| 309 | def getArray(self, obj, field):
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| 310 | return obj.__getattr__('get'+field.capitalize())()
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| 311 |
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| 312 | def initPerThread(self):
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| 313 | pass
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| 314 |
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| 315 | def deinitPerThread(self):
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| 316 | pass
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| 317 |
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| 318 | def createCallback(self, iface, impl, arg):
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| 319 | d = {}
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| 320 | d['BaseClass'] = impl
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| 321 | d['arg'] = arg
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| 322 | str = ""
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| 323 | str += "import xpcom.components\n"
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| 324 | str += "class "+iface+"Impl(BaseClass):\n"
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| 325 | str += " _com_interfaces_ = xpcom.components.interfaces."+iface+"\n"
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| 326 | str += " def __init__(self): BaseClass.__init__(self, arg)\n"
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| 327 | str += "result = "+iface+"Impl()\n"
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| 328 | exec (str,d,d)
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| 329 | return d['result']
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| 330 |
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| 331 | def waitForEvents(self, timeout):
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| 332 | import xpcom
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| 333 | xpcom._xpcom.WaitForEvents(timeout)
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| 334 |
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| 335 | def deinit(self):
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| 336 | import xpcom
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| 337 | xpcom._xpcom.DeinitCOM()
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| 338 |
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| 339 | def getPerfCollector(self, vbox):
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| 340 | return PerfCollector(vbox)
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| 341 |
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| 342 | class PlatformWEBSERVICE:
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| 343 | def __init__(self, params):
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| 344 | sys.path.append(VboxSdkDir+'/bindings/webservice/python/lib')
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| 345 | import VirtualBox_services
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| 346 | import VirtualBox_wrappers
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| 347 | from VirtualBox_wrappers import IWebsessionManager2
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| 348 | if params is not None:
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| 349 | self.user = params.get("user", "")
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| 350 | self.password = params.get("password", "")
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| 351 | self.url = params.get("url", "")
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| 352 | else:
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| 353 | self.user = ""
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| 354 | self.password = ""
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| 355 | self.url = None
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| 356 | self.wsmgr = IWebsessionManager2(self.url)
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| 357 |
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| 358 | def getSessionObject(self, vbox):
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| 359 | return self.wsmgr.getSessionObject(vbox)
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| 360 |
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| 361 | def getVirtualBox(self):
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| 362 | self.vbox = self.wsmgr.logon(self.user, self.password)
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| 363 |
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| 364 | def getConstants(self):
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| 365 | return None
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| 366 |
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| 367 | def getType(self):
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| 368 | return 'WEBSERVICE'
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| 369 |
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| 370 | def getRemote(self):
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| 371 | return True
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| 372 |
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| 373 | def getArray(self, obj, field):
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| 374 | return obj.__getattr__(field)
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| 375 |
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| 376 | def initPerThread(self):
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| 377 | pass
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| 378 |
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| 379 | def deinitPerThread(self):
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| 380 | pass
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| 381 |
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| 382 | def createCallback(self, iface, impl, arg):
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| 383 | raise Exception("no callbacks for webservices")
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| 384 |
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| 385 | def waitForEvents(self, timeout):
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| 386 | # Webservices cannot do that yet
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| 387 | pass
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| 388 |
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| 389 | def deinit(self):
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| 390 | try:
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| 391 | if self.vbox is not None:
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| 392 | self.wsmg.logoff(self.vbox)
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| 393 | self.vbox = None
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| 394 | except:
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| 395 | pass
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| 396 |
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| 397 | def getPerfCollector(self, vbox):
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| 398 | return PerfCollector(vbox)
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| 399 |
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| 400 | class SessionManager:
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| 401 | def __init__(self, mgr):
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| 402 | self.mgr = mgr
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| 403 |
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| 404 | def getSessionObject(self, vbox):
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| 405 | return self.mgr.platform.getSessionObject(vbox)
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| 406 |
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| 407 | class VirtualBoxManager:
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| 408 | def __init__(self, style, platparams):
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| 409 | if style is None:
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| 410 | if sys.platform == 'win32':
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| 411 | style = "MSCOM"
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| 412 | else:
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| 413 | style = "XPCOM"
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| 414 | try:
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| 415 | exec "self.platform = Platform"+style+"(platparams)"
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| 416 | self.vbox = self.platform.getVirtualBox()
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| 417 | self.mgr = SessionManager(self)
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| 418 | self.constants = VirtualBoxReflectionInfo()
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| 419 | self.type = self.platform.getType()
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| 420 | self.remote = self.platform.getRemote()
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| 421 | self.style = style
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| 422 | except Exception,e:
|
|---|
| 423 | print "init exception: ",e
|
|---|
| 424 | traceback.print_exc()
|
|---|
| 425 | raise e
|
|---|
| 426 |
|
|---|
| 427 | def getArray(self, obj, field):
|
|---|
| 428 | return self.platform.getArray(obj, field)
|
|---|
| 429 |
|
|---|
| 430 | def getVirtualBox(self):
|
|---|
| 431 | return self.platform.getVirtualBox()
|
|---|
| 432 |
|
|---|
| 433 | def __del__(self):
|
|---|
| 434 | self.deinit()
|
|---|
| 435 |
|
|---|
| 436 | def deinit(self):
|
|---|
| 437 | if hasattr(self, "vbox"):
|
|---|
| 438 | del self.vbox
|
|---|
| 439 | self.vbox = None
|
|---|
| 440 | if hasattr(self, "platform"):
|
|---|
| 441 | self.platform.deinit()
|
|---|
| 442 | self.platform = None
|
|---|
| 443 |
|
|---|
| 444 | def initPerThread(self):
|
|---|
| 445 | self.platform.initPerThread()
|
|---|
| 446 |
|
|---|
| 447 | def openMachineSession(self, machineId):
|
|---|
| 448 | session = self.mgr.getSessionObject(self.vbox)
|
|---|
| 449 | self.vbox.openSession(session, machineId)
|
|---|
| 450 | return session
|
|---|
| 451 |
|
|---|
| 452 | def closeMachineSession(self, session):
|
|---|
| 453 | session.close()
|
|---|
| 454 |
|
|---|
| 455 | def deinitPerThread(self):
|
|---|
| 456 | self.platform.deinitPerThread()
|
|---|
| 457 |
|
|---|
| 458 | def createCallback(self, iface, impl, arg):
|
|---|
| 459 | return self.platform.createCallback(iface, impl, arg)
|
|---|
| 460 |
|
|---|
| 461 | def waitForEvents(self, timeout):
|
|---|
| 462 | return self.platform.waitForEvents(timeout)
|
|---|
| 463 |
|
|---|
| 464 | def getPerfCollector(self, vbox):
|
|---|
| 465 | return self.platform.getPerfCollector(vbox)
|
|---|
