1 | /* $Id: USBDeviceFiltersImpl.cpp 47401 2013-07-25 19:12:24Z vboxsync $ */
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2 | /** @file
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3 | * Implementation of IUSBController.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2005-2013 Oracle Corporation
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8 | *
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9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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10 | * available from http://www.virtualbox.org. This file is free software;
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11 | * you can redistribute it and/or modify it under the terms of the GNU
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12 | * General Public License (GPL) as published by the Free Software
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13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | */
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17 |
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18 | #include "USBDeviceFiltersImpl.h"
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19 |
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20 | #include "Global.h"
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21 | #include "MachineImpl.h"
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22 | #include "VirtualBoxImpl.h"
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23 | #include "HostImpl.h"
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24 | #ifdef VBOX_WITH_USB
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25 | # include "USBDeviceImpl.h"
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26 | # include "HostUSBDeviceImpl.h"
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27 | # include "USBProxyService.h"
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28 | # include "USBDeviceFilterImpl.h"
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29 | #endif
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30 |
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31 | #include <iprt/string.h>
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32 | #include <iprt/cpp/utils.h>
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33 |
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34 | #include <VBox/err.h>
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35 | #include <VBox/settings.h>
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36 | #include <VBox/com/array.h>
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37 |
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38 | #include <algorithm>
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39 |
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40 | #include "AutoStateDep.h"
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41 | #include "AutoCaller.h"
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42 | #include "Logging.h"
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43 |
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44 | // defines
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45 | /////////////////////////////////////////////////////////////////////////////
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46 |
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47 | typedef std::list< ComObjPtr<USBDeviceFilter> > DeviceFilterList;
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48 |
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49 | struct USBDeviceFilters::Data
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50 | {
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51 | Data(Machine *pMachine)
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52 | : pParent(pMachine),
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53 | pHost(pMachine->getVirtualBox()->host())
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54 | { }
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55 |
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56 | ~Data()
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57 | {};
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58 |
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59 | Machine * const pParent;
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60 | Host * const pHost;
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61 |
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62 | // peer machine's USB device filters list
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63 | const ComObjPtr<USBDeviceFilters> pPeer;
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64 |
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65 | #ifdef VBOX_WITH_USB
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66 | // List of device filters.
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67 | Backupable<DeviceFilterList> llDeviceFilters;
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68 | #endif
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69 | };
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70 |
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71 |
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72 |
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73 | // constructor / destructor
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74 | /////////////////////////////////////////////////////////////////////////////
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75 |
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76 | DEFINE_EMPTY_CTOR_DTOR(USBDeviceFilters)
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77 |
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78 | HRESULT USBDeviceFilters::FinalConstruct()
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79 | {
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80 | return BaseFinalConstruct();
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81 | }
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82 |
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83 | void USBDeviceFilters::FinalRelease()
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84 | {
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85 | uninit();
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86 | BaseFinalRelease();
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87 | }
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88 |
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89 | // public initializer/uninitializer for internal purposes only
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90 | /////////////////////////////////////////////////////////////////////////////
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91 |
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92 | /**
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93 | * Initializes the USB controller object.
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94 | *
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95 | * @returns COM result indicator.
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96 | * @param aParent Pointer to our parent object.
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97 | */
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98 | HRESULT USBDeviceFilters::init(Machine *aParent)
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99 | {
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100 | LogFlowThisFunc(("aParent=%p\n", aParent));
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101 |
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102 | ComAssertRet(aParent, E_INVALIDARG);
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103 |
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104 | /* Enclose the state transition NotReady->InInit->Ready */
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105 | AutoInitSpan autoInitSpan(this);
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106 | AssertReturn(autoInitSpan.isOk(), E_FAIL);
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107 |
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108 | m = new Data(aParent);
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109 |
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110 | /* mPeer is left null */
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111 | #ifdef VBOX_WITH_USB
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112 | m->llDeviceFilters.allocate();
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113 | #endif
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114 |
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115 | /* Confirm a successful initialization */
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116 | autoInitSpan.setSucceeded();
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117 |
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118 | return S_OK;
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119 | }
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120 |
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121 | /**
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122 | * Initializes the USB devic filters object given another USB filters object
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123 | * (a kind of copy constructor). This object shares data with
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124 | * the object passed as an argument.
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125 | *
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126 | * @returns COM result indicator.
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127 | * @param aParent Pointer to our parent object.
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128 | * @param aPeer The object to share.
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129 | *
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130 | * @note This object must be destroyed before the original object
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131 | * it shares data with is destroyed.
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132 | */
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133 | HRESULT USBDeviceFilters::init(Machine *aParent, USBDeviceFilters *aPeer)
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134 | {
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135 | LogFlowThisFunc(("aParent=%p, aPeer=%p\n", aParent, aPeer));
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136 |
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137 | ComAssertRet(aParent && aPeer, E_INVALIDARG);
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138 |
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139 | /* Enclose the state transition NotReady->InInit->Ready */
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140 | AutoInitSpan autoInitSpan(this);
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141 | AssertReturn(autoInitSpan.isOk(), E_FAIL);
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142 |
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143 | m = new Data(aParent);
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144 |
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145 | unconst(m->pPeer) = aPeer;
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146 |
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147 | AutoWriteLock thatlock(aPeer COMMA_LOCKVAL_SRC_POS);
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148 |
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149 | #ifdef VBOX_WITH_USB
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150 | /* create copies of all filters */
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151 | m->llDeviceFilters.allocate();
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152 | DeviceFilterList::const_iterator it = aPeer->m->llDeviceFilters->begin();
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153 | while (it != aPeer->m->llDeviceFilters->end())
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154 | {
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155 | ComObjPtr<USBDeviceFilter> pFilter;
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156 | pFilter.createObject();
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157 | pFilter->init(this, *it);
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158 | m->llDeviceFilters->push_back(pFilter);
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159 | ++it;
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160 | }
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161 | #endif /* VBOX_WITH_USB */
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162 |
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163 | /* Confirm a successful initialization */
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164 | autoInitSpan.setSucceeded();
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165 |
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166 | return S_OK;
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167 | }
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168 |
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169 |
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170 | /**
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171 | * Initializes the USB controller object given another guest object
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172 | * (a kind of copy constructor). This object makes a private copy of data
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173 | * of the original object passed as an argument.
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174 | */
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175 | HRESULT USBDeviceFilters::initCopy(Machine *aParent, USBDeviceFilters *aPeer)
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176 | {
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177 | LogFlowThisFunc(("aParent=%p, aPeer=%p\n", aParent, aPeer));
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178 |
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179 | ComAssertRet(aParent && aPeer, E_INVALIDARG);
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180 |
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181 | /* Enclose the state transition NotReady->InInit->Ready */
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182 | AutoInitSpan autoInitSpan(this);
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183 | AssertReturn(autoInitSpan.isOk(), E_FAIL);
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184 |
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185 | m = new Data(aParent);
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186 |
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187 | /* mPeer is left null */
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188 |
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189 | AutoWriteLock thatlock(aPeer COMMA_LOCKVAL_SRC_POS);
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190 |
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191 | #ifdef VBOX_WITH_USB
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192 | /* create private copies of all filters */
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193 | m->llDeviceFilters.allocate();
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194 | DeviceFilterList::const_iterator it = aPeer->m->llDeviceFilters->begin();
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195 | while (it != aPeer->m->llDeviceFilters->end())
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196 | {
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197 | ComObjPtr<USBDeviceFilter> pFilter;
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198 | pFilter.createObject();
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199 | pFilter->initCopy(this, *it);
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200 | m->llDeviceFilters->push_back(pFilter);
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201 | ++it;
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202 | }
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203 | #endif /* VBOX_WITH_USB */
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204 |
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205 | /* Confirm a successful initialization */
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206 | autoInitSpan.setSucceeded();
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207 |
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208 | return S_OK;
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209 | }
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210 |
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211 |
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212 | /**
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213 | * Uninitializes the instance and sets the ready flag to FALSE.
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214 | * Called either from FinalRelease() or by the parent when it gets destroyed.
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215 | */
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216 | void USBDeviceFilters::uninit()
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217 | {
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218 | LogFlowThisFunc(("\n"));
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219 |
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220 | /* Enclose the state transition Ready->InUninit->NotReady */
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221 | AutoUninitSpan autoUninitSpan(this);
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222 | if (autoUninitSpan.uninitDone())
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223 | return;
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224 |
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225 | #ifdef VBOX_WITH_USB
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226 | // uninit all device filters on the list (it's a standard std::list not an ObjectsList
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227 | // so we must uninit() manually)
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228 | for (DeviceFilterList::iterator it = m->llDeviceFilters->begin();
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229 | it != m->llDeviceFilters->end();
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230 | ++it)
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231 | (*it)->uninit();
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232 |
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233 | m->llDeviceFilters.free();
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234 | #endif
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235 |
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236 | unconst(m->pPeer) = NULL;
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237 | unconst(m->pParent) = NULL;
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238 |
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239 | delete m;
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240 | m = NULL;
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241 | }
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242 |
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243 |
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244 | // IUSBDeviceFilters properties
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245 | /////////////////////////////////////////////////////////////////////////////
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246 |
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247 | #ifndef VBOX_WITH_USB
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248 | /**
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249 | * Fake class for build without USB.
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250 | * We need an empty collection & enum for deviceFilters, that's all.
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251 | */
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252 | class ATL_NO_VTABLE USBDeviceFilter :
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253 | public VirtualBoxBase,
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254 | VBOX_SCRIPTABLE_IMPL(IUSBDeviceFilter)
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255 | {
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256 | public:
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257 | DECLARE_NOT_AGGREGATABLE(USBDeviceFilter)
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258 | DECLARE_PROTECT_FINAL_CONSTRUCT()
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259 | BEGIN_COM_MAP(USBDeviceFilter)
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260 | VBOX_DEFAULT_INTERFACE_ENTRIES(IUSBDeviceFilter)
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261 | END_COM_MAP()
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262 |
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263 | DECLARE_EMPTY_CTOR_DTOR(USBDeviceFilter)
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264 |
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265 | // IUSBDeviceFilter properties
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266 | STDMETHOD(COMGETTER(Name))(BSTR *aName);
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267 | STDMETHOD(COMSETTER(Name))(IN_BSTR aName);
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268 | STDMETHOD(COMGETTER(Active))(BOOL *aActive);
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269 | STDMETHOD(COMSETTER(Active))(BOOL aActive);
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270 | STDMETHOD(COMGETTER(VendorId))(BSTR *aVendorId);
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271 | STDMETHOD(COMSETTER(VendorId))(IN_BSTR aVendorId);
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272 | STDMETHOD(COMGETTER(ProductId))(BSTR *aProductId);
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273 | STDMETHOD(COMSETTER(ProductId))(IN_BSTR aProductId);
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274 | STDMETHOD(COMGETTER(Revision))(BSTR *aRevision);
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275 | STDMETHOD(COMSETTER(Revision))(IN_BSTR aRevision);
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276 | STDMETHOD(COMGETTER(Manufacturer))(BSTR *aManufacturer);
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277 | STDMETHOD(COMSETTER(Manufacturer))(IN_BSTR aManufacturer);
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278 | STDMETHOD(COMGETTER(Product))(BSTR *aProduct);
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279 | STDMETHOD(COMSETTER(Product))(IN_BSTR aProduct);
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280 | STDMETHOD(COMGETTER(SerialNumber))(BSTR *aSerialNumber);
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281 | STDMETHOD(COMSETTER(SerialNumber))(IN_BSTR aSerialNumber);
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282 | STDMETHOD(COMGETTER(Port))(BSTR *aPort);
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283 | STDMETHOD(COMSETTER(Port))(IN_BSTR aPort);
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284 | STDMETHOD(COMGETTER(Remote))(BSTR *aRemote);
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285 | STDMETHOD(COMSETTER(Remote))(IN_BSTR aRemote);
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286 | STDMETHOD(COMGETTER(MaskedInterfaces))(ULONG *aMaskedIfs);
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287 | STDMETHOD(COMSETTER(MaskedInterfaces))(ULONG aMaskedIfs);
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288 | };
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289 | #endif /* !VBOX_WITH_USB */
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290 |
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291 |
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292 | STDMETHODIMP USBDeviceFilters::COMGETTER(DeviceFilters)(ComSafeArrayOut(IUSBDeviceFilter *, aDevicesFilters))
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293 | {
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294 | #ifdef VBOX_WITH_USB
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295 | CheckComArgOutSafeArrayPointerValid(aDevicesFilters);
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296 |
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297 | AutoCaller autoCaller(this);
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298 | if (FAILED(autoCaller.rc())) return autoCaller.rc();
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299 |
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300 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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301 |
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302 | SafeIfaceArray<IUSBDeviceFilter> collection(*m->llDeviceFilters.data());
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303 | collection.detachTo(ComSafeArrayOutArg(aDevicesFilters));
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304 |
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305 | return S_OK;
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306 | #else
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307 | NOREF(aDevicesFilters);
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308 | # ifndef RT_OS_WINDOWS
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309 | NOREF(aDevicesFiltersSize);
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310 | # endif
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311 | ReturnComNotImplemented();
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312 | #endif
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313 | }
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314 |
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315 | // IUSBDeviceFilters methods
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316 | /////////////////////////////////////////////////////////////////////////////
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317 |
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318 | STDMETHODIMP USBDeviceFilters::CreateDeviceFilter(IN_BSTR aName,
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319 | IUSBDeviceFilter **aFilter)
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320 | {
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321 | #ifdef VBOX_WITH_USB
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322 | CheckComArgOutPointerValid(aFilter);
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323 |
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324 | CheckComArgStrNotEmptyOrNull(aName);
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325 |
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326 | AutoCaller autoCaller(this);
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327 | if (FAILED(autoCaller.rc())) return autoCaller.rc();
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328 |
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329 | /* the machine needs to be mutable */
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330 | AutoMutableStateDependency adep(m->pParent);
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331 | if (FAILED(adep.rc())) return adep.rc();
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332 |
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333 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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334 |
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335 | ComObjPtr<USBDeviceFilter> pFilter;
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336 | pFilter.createObject();
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337 | HRESULT rc = pFilter->init(this, aName);
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338 | ComAssertComRCRetRC(rc);
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339 | rc = pFilter.queryInterfaceTo(aFilter);
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340 | AssertComRCReturnRC(rc);
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341 |
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342 | return S_OK;
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343 | #else
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344 | NOREF(aName);
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345 | NOREF(aFilter);
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346 | ReturnComNotImplemented();
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347 | #endif
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348 | }
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349 |
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350 | STDMETHODIMP USBDeviceFilters::InsertDeviceFilter(ULONG aPosition,
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351 | IUSBDeviceFilter *aFilter)
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352 | {
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353 | #ifdef VBOX_WITH_USB
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354 |
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355 | CheckComArgNotNull(aFilter);
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356 |
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357 | AutoCaller autoCaller(this);
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358 | if (FAILED(autoCaller.rc())) return autoCaller.rc();
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359 |
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360 | /* the machine needs to be mutable */
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361 | AutoMutableStateDependency adep(m->pParent);
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362 | if (FAILED(adep.rc())) return adep.rc();
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363 |
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364 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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365 |
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366 | ComObjPtr<USBDeviceFilter> pFilter = static_cast<USBDeviceFilter*>(aFilter);
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367 |
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368 | if (pFilter->mInList)
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369 | return setError(VBOX_E_INVALID_OBJECT_STATE,
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370 | tr("The given USB device pFilter is already in the list"));
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371 |
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372 | /* backup the list before modification */
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373 | m->llDeviceFilters.backup();
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374 |
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375 | /* iterate to the position... */
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376 | DeviceFilterList::iterator it;
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377 | if (aPosition < m->llDeviceFilters->size())
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378 | {
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379 | it = m->llDeviceFilters->begin();
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380 | std::advance(it, aPosition);
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381 | }
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382 | else
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383 | it = m->llDeviceFilters->end();
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384 | /* ...and insert */
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385 | m->llDeviceFilters->insert(it, pFilter);
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386 | pFilter->mInList = true;
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387 |
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388 | /* notify the proxy (only when it makes sense) */
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389 | if (pFilter->getData().mActive && Global::IsOnline(adep.machineState())
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390 | && pFilter->getData().mRemote.isMatch(false))
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391 | {
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392 | USBProxyService *pProxySvc = m->pHost->usbProxyService();
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393 | ComAssertRet(pProxySvc, E_FAIL);
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394 |
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395 | ComAssertRet(pFilter->getId() == NULL, E_FAIL);
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396 | pFilter->getId() = pProxySvc->insertFilter(&pFilter->getData().mUSBFilter);
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397 | }
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398 |
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399 | alock.release();
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400 | AutoWriteLock mlock(m->pParent COMMA_LOCKVAL_SRC_POS);
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401 | m->pParent->setModified(Machine::IsModified_USB);
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402 | mlock.release();
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403 |
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404 | return S_OK;
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405 |
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406 | #else /* VBOX_WITH_USB */
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407 |
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408 | NOREF(aPosition);
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409 | NOREF(aFilter);
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410 | ReturnComNotImplemented();
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411 |
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412 | #endif /* VBOX_WITH_USB */
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413 | }
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414 |
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415 | STDMETHODIMP USBDeviceFilters::RemoveDeviceFilter(ULONG aPosition,
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416 | IUSBDeviceFilter **aFilter)
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417 | {
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418 | #ifdef VBOX_WITH_USB
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419 |
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420 | CheckComArgOutPointerValid(aFilter);
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421 |
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422 | AutoCaller autoCaller(this);
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423 | if (FAILED(autoCaller.rc())) return autoCaller.rc();
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424 |
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425 | /* the machine needs to be mutable */
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426 | AutoMutableStateDependency adep(m->pParent);
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427 | if (FAILED(adep.rc())) return adep.rc();
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428 |
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429 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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430 |
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431 | if (!m->llDeviceFilters->size())
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432 | return setError(E_INVALIDARG,
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433 | tr("The USB device pFilter list is empty"));
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434 |
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435 | if (aPosition >= m->llDeviceFilters->size())
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436 | return setError(E_INVALIDARG,
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437 | tr("Invalid position: %lu (must be in range [0, %lu])"),
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438 | aPosition, m->llDeviceFilters->size() - 1);
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439 |
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440 | /* backup the list before modification */
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441 | m->llDeviceFilters.backup();
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442 |
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443 | ComObjPtr<USBDeviceFilter> pFilter;
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444 | {
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445 | /* iterate to the position... */
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446 | DeviceFilterList::iterator it = m->llDeviceFilters->begin();
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447 | std::advance(it, aPosition);
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448 | /* ...get an element from there... */
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449 | pFilter = *it;
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450 | /* ...and remove */
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451 | pFilter->mInList = false;
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452 | m->llDeviceFilters->erase(it);
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453 | }
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454 |
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455 | /* cancel sharing (make an independent copy of data) */
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456 | pFilter->unshare();
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457 |
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458 | pFilter.queryInterfaceTo(aFilter);
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459 |
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460 | /* notify the proxy (only when it makes sense) */
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---|
461 | if (pFilter->getData().mActive && Global::IsOnline(adep.machineState())
|
---|
462 | && pFilter->getData().mRemote.isMatch(false))
|
---|
463 | {
|
---|
464 | USBProxyService *pProxySvc = m->pHost->usbProxyService();
|
---|
465 | ComAssertRet(pProxySvc, E_FAIL);
|
---|
466 |
|
---|
467 | ComAssertRet(pFilter->getId() != NULL, E_FAIL);
|
---|
468 | pProxySvc->removeFilter(pFilter->getId());
|
---|
469 | pFilter->getId() = NULL;
|
---|
470 | }
|
---|
471 |
|
---|
472 | alock.release();
|
---|
473 | AutoWriteLock mlock(m->pParent COMMA_LOCKVAL_SRC_POS);
|
---|
474 | m->pParent->setModified(Machine::IsModified_USB);
|
---|
475 | mlock.release();
|
---|
476 |
|
---|
477 | return S_OK;
|
---|
478 |
|
---|
479 | #else /* VBOX_WITH_USB */
|
---|
480 |
|
---|
481 | NOREF(aPosition);
|
---|
482 | NOREF(aFilter);
|
---|
483 | ReturnComNotImplemented();
|
---|
484 |
|
---|
485 | #endif /* VBOX_WITH_USB */
|
---|
486 | }
|
---|
487 |
|
---|
488 | // public methods only for internal purposes
|
---|
489 | /////////////////////////////////////////////////////////////////////////////
|
---|
490 |
|
---|
491 | /**
|
---|
492 | * Loads settings from the given machine node.
|
---|
493 | * May be called once right after this object creation.
|
---|
494 | *
|
---|
495 | * @param aMachineNode <Machine> node.
|
---|
496 | *
|
---|
497 | * @note Does not lock "this" as Machine::loadHardware, which calls this, does not lock either.
|
---|
498 | */
|
---|
499 | HRESULT USBDeviceFilters::loadSettings(const settings::USB &data)
|
---|
500 | {
|
---|
501 | AutoCaller autoCaller(this);
|
---|
502 | AssertComRCReturnRC(autoCaller.rc());
|
---|
503 |
|
---|
504 | /* Note: we assume that the default values for attributes of optional
|
---|
505 | * nodes are assigned in the Data::Data() constructor and don't do it
|
---|
506 | * here. It implies that this method may only be called after constructing
|
---|
507 | * a new USBDeviceFilters object while all its data fields are in the default
|
---|
508 | * values. Exceptions are fields whose creation time defaults don't match
|
---|
509 | * values that should be applied when these fields are not explicitly set
|
---|
510 | * in the settings file (for backwards compatibility reasons). This takes
|
---|
511 | * place when a setting of a newly created object must default to A while
|
---|
512 | * the same setting of an object loaded from the old settings file must
|
---|
513 | * default to B. */
|
---|
514 |
|
---|
515 | #ifdef VBOX_WITH_USB
|
---|
516 | for (settings::USBDeviceFiltersList::const_iterator it = data.llDeviceFilters.begin();
|
---|
517 | it != data.llDeviceFilters.end();
|
---|
518 | ++it)
|
---|
519 | {
|
---|
520 | const settings::USBDeviceFilter &f = *it;
|
---|
521 | ComObjPtr<USBDeviceFilter> pFilter;
|
---|
522 | pFilter.createObject();
|
---|
523 | HRESULT rc = pFilter->init(this, // parent
|
---|
524 | f);
|
---|
525 | if (FAILED(rc)) return rc;
|
---|
526 |
|
---|
527 | m->llDeviceFilters->push_back(pFilter);
|
---|
528 | pFilter->mInList = true;
|
---|
529 | }
|
---|
530 | #endif /* VBOX_WITH_USB */
|
---|
531 |
|
---|
532 | return S_OK;
|
---|
533 | }
|
---|
534 |
|
---|
535 | /**
|
---|
536 | * Saves settings to the given machine node.
|
---|
537 | *
|
---|
538 | * @param aMachineNode <Machine> node.
|
---|
539 | *
|
---|
540 | * @note Locks this object for reading.
|
---|
541 | */
|
---|
542 | HRESULT USBDeviceFilters::saveSettings(settings::USB &data)
|
---|
543 | {
|
---|
544 | AutoCaller autoCaller(this);
|
---|
545 | if (FAILED(autoCaller.rc())) return autoCaller.rc();
|
---|
546 |
|
---|
547 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
548 |
|
---|
549 | #ifdef VBOX_WITH_USB
|
---|
550 | data.llDeviceFilters.clear();
|
---|
551 |
|
---|
552 | for (DeviceFilterList::const_iterator it = m->llDeviceFilters->begin();
|
---|
553 | it != m->llDeviceFilters->end();
|
---|
554 | ++it)
|
---|
555 | {
|
---|
556 | AutoWriteLock filterLock(*it COMMA_LOCKVAL_SRC_POS);
|
---|
557 | const USBDeviceFilter::Data &filterData = (*it)->getData();
|
---|
558 |
|
---|
559 | Bstr str;
|
---|
560 |
|
---|
561 | settings::USBDeviceFilter f;
|
---|
562 | f.strName = filterData.mName;
|
---|
563 | f.fActive = !!filterData.mActive;
|
---|
564 | (*it)->COMGETTER(VendorId)(str.asOutParam());
|
---|
565 | f.strVendorId = str;
|
---|
566 | (*it)->COMGETTER(ProductId)(str.asOutParam());
|
---|
567 | f.strProductId = str;
|
---|
568 | (*it)->COMGETTER(Revision)(str.asOutParam());
|
---|
569 | f.strRevision = str;
|
---|
570 | (*it)->COMGETTER(Manufacturer)(str.asOutParam());
|
---|
571 | f.strManufacturer = str;
|
---|
572 | (*it)->COMGETTER(Product)(str.asOutParam());
|
---|
573 | f.strProduct = str;
|
---|
574 | (*it)->COMGETTER(SerialNumber)(str.asOutParam());
|
---|
575 | f.strSerialNumber = str;
|
---|
576 | (*it)->COMGETTER(Port)(str.asOutParam());
|
---|
577 | f.strPort = str;
|
---|
578 | f.strRemote = filterData.mRemote.string();
|
---|
579 | f.ulMaskedInterfaces = filterData.mMaskedIfs;
|
---|
580 |
|
---|
581 | data.llDeviceFilters.push_back(f);
|
---|
582 | }
|
---|
583 | #endif /* VBOX_WITH_USB */
|
---|
584 |
|
---|
585 | return S_OK;
|
---|
586 | }
|
---|
587 |
|
---|
588 | /** @note Locks objects for writing! */
|
---|
589 | void USBDeviceFilters::rollback()
|
---|
590 | {
|
---|
591 | AutoCaller autoCaller(this);
|
---|
592 | AssertComRCReturnVoid(autoCaller.rc());
|
---|
593 |
|
---|
594 | /* we need the machine state */
|
---|
595 | AutoAnyStateDependency adep(m->pParent);
|
---|
596 | AssertComRCReturnVoid(adep.rc());
|
---|
597 |
|
---|
598 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
599 |
|
---|
600 | #ifdef VBOX_WITH_USB
|
---|
601 |
|
---|
602 | if (m->llDeviceFilters.isBackedUp())
|
---|
603 | {
|
---|
604 | USBProxyService *pProxySvc = m->pHost->usbProxyService();
|
---|
605 | Assert(pProxySvc);
|
---|
606 |
|
---|
607 | /* uninitialize all new filters (absent in the backed up list) */
|
---|
608 | DeviceFilterList::const_iterator it = m->llDeviceFilters->begin();
|
---|
609 | DeviceFilterList *backedList = m->llDeviceFilters.backedUpData();
|
---|
610 | while (it != m->llDeviceFilters->end())
|
---|
611 | {
|
---|
612 | if (std::find(backedList->begin(), backedList->end(), *it) ==
|
---|
613 | backedList->end())
|
---|
614 | {
|
---|
615 | /* notify the proxy (only when it makes sense) */
|
---|
616 | if ((*it)->getData().mActive &&
|
---|
617 | Global::IsOnline(adep.machineState())
|
---|
618 | && (*it)->getData().mRemote.isMatch(false))
|
---|
619 | {
|
---|
620 | USBDeviceFilter *pFilter = *it;
|
---|
621 | Assert(pFilter->getId() != NULL);
|
---|
622 | pProxySvc->removeFilter(pFilter->getId());
|
---|
623 | pFilter->getId() = NULL;
|
---|
624 | }
|
---|
625 |
|
---|
626 | (*it)->uninit();
|
---|
627 | }
|
---|
628 | ++it;
|
---|
629 | }
|
---|
630 |
|
---|
631 | if (Global::IsOnline(adep.machineState()))
|
---|
632 | {
|
---|
633 | /* find all removed old filters (absent in the new list)
|
---|
634 | * and insert them back to the USB proxy */
|
---|
635 | it = backedList->begin();
|
---|
636 | while (it != backedList->end())
|
---|
637 | {
|
---|
638 | if (std::find(m->llDeviceFilters->begin(), m->llDeviceFilters->end(), *it) ==
|
---|
639 | m->llDeviceFilters->end())
|
---|
640 | {
|
---|
641 | /* notify the proxy (only when necessary) */
|
---|
642 | if ((*it)->getData().mActive
|
---|
643 | && (*it)->getData().mRemote.isMatch(false))
|
---|
644 | {
|
---|
645 | USBDeviceFilter *pFilter = *it; /* resolve ambiguity */
|
---|
646 | Assert(pFilter->getId() == NULL);
|
---|
647 | pFilter->getId() = pProxySvc->insertFilter(&pFilter->getData().mUSBFilter);
|
---|
648 | }
|
---|
649 | }
|
---|
650 | ++it;
|
---|
651 | }
|
---|
652 | }
|
---|
653 |
|
---|
654 | /* restore the list */
|
---|
655 | m->llDeviceFilters.rollback();
|
---|
656 | }
|
---|
657 |
|
---|
658 | /* here we don't depend on the machine state any more */
|
---|
659 | adep.release();
|
---|
660 |
|
---|
661 | /* rollback any changes to filters after restoring the list */
|
---|
662 | DeviceFilterList::const_iterator it = m->llDeviceFilters->begin();
|
---|
663 | while (it != m->llDeviceFilters->end())
|
---|
664 | {
|
---|
665 | if ((*it)->isModified())
|
---|
666 | {
|
---|
667 | (*it)->rollback();
|
---|
668 | /* call this to notify the USB proxy about changes */
|
---|
669 | onDeviceFilterChange(*it);
|
---|
670 | }
|
---|
671 | ++it;
|
---|
672 | }
|
---|
673 |
|
---|
674 | #endif /* VBOX_WITH_USB */
|
---|
675 | }
|
---|
676 |
|
---|
677 | /**
|
---|
678 | * @note Locks this object for writing, together with the peer object (also
|
---|
679 | * for writing) if there is one.
|
---|
680 | */
|
---|
681 | void USBDeviceFilters::commit()
|
---|
682 | {
|
---|
683 | /* sanity */
|
---|
684 | AutoCaller autoCaller(this);
|
---|
685 | AssertComRCReturnVoid(autoCaller.rc());
|
---|
686 |
|
---|
687 | /* sanity too */
|
---|
688 | AutoCaller peerCaller(m->pPeer);
|
---|
689 | AssertComRCReturnVoid(peerCaller.rc());
|
---|
690 |
|
---|
691 | /* lock both for writing since we modify both (mPeer is "master" so locked
|
---|
692 | * first) */
|
---|
693 | AutoMultiWriteLock2 alock(m->pPeer, this COMMA_LOCKVAL_SRC_POS);
|
---|
694 |
|
---|
695 | #ifdef VBOX_WITH_USB
|
---|
696 | bool commitFilters = false;
|
---|
697 |
|
---|
698 | if (m->llDeviceFilters.isBackedUp())
|
---|
699 | {
|
---|
700 | m->llDeviceFilters.commit();
|
---|
701 |
|
---|
702 | /* apply changes to peer */
|
---|
703 | if (m->pPeer)
|
---|
704 | {
|
---|
705 | AutoWriteLock peerlock(m->pPeer COMMA_LOCKVAL_SRC_POS);
|
---|
706 |
|
---|
707 | /* commit all changes to new filters (this will reshare data with
|
---|
708 | * peers for those who have peers) */
|
---|
709 | DeviceFilterList *newList = new DeviceFilterList();
|
---|
710 | DeviceFilterList::const_iterator it = m->llDeviceFilters->begin();
|
---|
711 | while (it != m->llDeviceFilters->end())
|
---|
712 | {
|
---|
713 | (*it)->commit();
|
---|
714 |
|
---|
715 | /* look if this filter has a peer filter */
|
---|
716 | ComObjPtr<USBDeviceFilter> peer = (*it)->peer();
|
---|
717 | if (!peer)
|
---|
718 | {
|
---|
719 | /* no peer means the filter is a newly created one;
|
---|
720 | * create a peer owning data this filter share it with */
|
---|
721 | peer.createObject();
|
---|
722 | peer->init(m->pPeer, *it, true /* aReshare */);
|
---|
723 | }
|
---|
724 | else
|
---|
725 | {
|
---|
726 | /* remove peer from the old list */
|
---|
727 | m->pPeer->m->llDeviceFilters->remove(peer);
|
---|
728 | }
|
---|
729 | /* and add it to the new list */
|
---|
730 | newList->push_back(peer);
|
---|
731 |
|
---|
732 | ++it;
|
---|
733 | }
|
---|
734 |
|
---|
735 | /* uninit old peer's filters that are left */
|
---|
736 | it = m->pPeer->m->llDeviceFilters->begin();
|
---|
737 | while (it != m->pPeer->m->llDeviceFilters->end())
|
---|
738 | {
|
---|
739 | (*it)->uninit();
|
---|
740 | ++it;
|
---|
741 | }
|
---|
742 |
|
---|
743 | /* attach new list of filters to our peer */
|
---|
744 | m->pPeer->m->llDeviceFilters.attach(newList);
|
---|
745 | }
|
---|
746 | else
|
---|
747 | {
|
---|
748 | /* we have no peer (our parent is the newly created machine);
|
---|
749 | * just commit changes to filters */
|
---|
750 | commitFilters = true;
|
---|
751 | }
|
---|
752 | }
|
---|
753 | else
|
---|
754 | {
|
---|
755 | /* the list of filters itself is not changed,
|
---|
756 | * just commit changes to filters themselves */
|
---|
757 | commitFilters = true;
|
---|
758 | }
|
---|
759 |
|
---|
760 | if (commitFilters)
|
---|
761 | {
|
---|
762 | DeviceFilterList::const_iterator it = m->llDeviceFilters->begin();
|
---|
763 | while (it != m->llDeviceFilters->end())
|
---|
764 | {
|
---|
765 | (*it)->commit();
|
---|
766 | ++it;
|
---|
767 | }
|
---|
768 | }
|
---|
769 | #endif /* VBOX_WITH_USB */
|
---|
770 | }
|
---|
771 |
|
---|
772 | /**
|
---|
773 | * @note Locks this object for writing, together with the peer object
|
---|
774 | * represented by @a aThat (locked for reading).
|
---|
775 | */
|
---|
776 | void USBDeviceFilters::copyFrom(USBDeviceFilters *aThat)
|
---|
777 | {
|
---|
778 | AssertReturnVoid(aThat != NULL);
|
---|
779 |
|
---|
780 | /* sanity */
|
---|
781 | AutoCaller autoCaller(this);
|
---|
782 | AssertComRCReturnVoid(autoCaller.rc());
|
---|
783 |
|
---|
784 | /* sanity too */
|
---|
785 | AutoCaller thatCaller(aThat);
|
---|
786 | AssertComRCReturnVoid(thatCaller.rc());
|
---|
787 |
|
---|
788 | /* even more sanity */
|
---|
789 | AutoAnyStateDependency adep(m->pParent);
|
---|
790 | AssertComRCReturnVoid(adep.rc());
|
---|
791 | /* Machine::copyFrom() may not be called when the VM is running */
|
---|
792 | AssertReturnVoid(!Global::IsOnline(adep.machineState()));
|
---|
793 |
|
---|
794 | /* peer is not modified, lock it for reading (aThat is "master" so locked
|
---|
795 | * first) */
|
---|
796 | AutoReadLock rl(aThat COMMA_LOCKVAL_SRC_POS);
|
---|
797 | AutoWriteLock wl(this COMMA_LOCKVAL_SRC_POS);
|
---|
798 |
|
---|
799 | #ifdef VBOX_WITH_USB
|
---|
800 |
|
---|
801 | /* Note that we won't inform the USB proxy about new filters since the VM is
|
---|
802 | * not running when we are here and therefore no need to do so */
|
---|
803 |
|
---|
804 | /* create private copies of all filters */
|
---|
805 | m->llDeviceFilters.backup();
|
---|
806 | m->llDeviceFilters->clear();
|
---|
807 | for (DeviceFilterList::const_iterator it = aThat->m->llDeviceFilters->begin();
|
---|
808 | it != aThat->m->llDeviceFilters->end();
|
---|
809 | ++it)
|
---|
810 | {
|
---|
811 | ComObjPtr<USBDeviceFilter> pFilter;
|
---|
812 | pFilter.createObject();
|
---|
813 | pFilter->initCopy(this, *it);
|
---|
814 | m->llDeviceFilters->push_back(pFilter);
|
---|
815 | }
|
---|
816 |
|
---|
817 | #endif /* VBOX_WITH_USB */
|
---|
818 | }
|
---|
819 |
|
---|
820 | #ifdef VBOX_WITH_USB
|
---|
821 |
|
---|
822 | /**
|
---|
823 | * Called by setter methods of all USB device filters.
|
---|
824 | *
|
---|
825 | * @note Locks nothing.
|
---|
826 | */
|
---|
827 | HRESULT USBDeviceFilters::onDeviceFilterChange(USBDeviceFilter *aFilter,
|
---|
828 | BOOL aActiveChanged /* = FALSE */)
|
---|
829 | {
|
---|
830 | AutoCaller autoCaller(this);
|
---|
831 | AssertComRCReturnRC(autoCaller.rc());
|
---|
832 |
|
---|
833 | /* we need the machine state */
|
---|
834 | AutoAnyStateDependency adep(m->pParent);
|
---|
835 | AssertComRCReturnRC(adep.rc());
|
---|
836 |
|
---|
837 | /* nothing to do if the machine isn't running */
|
---|
838 | if (!Global::IsOnline(adep.machineState()))
|
---|
839 | return S_OK;
|
---|
840 |
|
---|
841 | /* we don't modify our data fields -- no need to lock */
|
---|
842 |
|
---|
843 | if ( aFilter->mInList
|
---|
844 | && m->pParent->isRegistered())
|
---|
845 | {
|
---|
846 | USBProxyService *pProxySvc = m->pHost->usbProxyService();
|
---|
847 | ComAssertRet(pProxySvc, E_FAIL);
|
---|
848 |
|
---|
849 | if (aActiveChanged)
|
---|
850 | {
|
---|
851 | if (aFilter->getData().mRemote.isMatch(false))
|
---|
852 | {
|
---|
853 | /* insert/remove the filter from the proxy */
|
---|
854 | if (aFilter->getData().mActive)
|
---|
855 | {
|
---|
856 | ComAssertRet(aFilter->getId() == NULL, E_FAIL);
|
---|
857 | aFilter->getId() = pProxySvc->insertFilter(&aFilter->getData().mUSBFilter);
|
---|
858 | }
|
---|
859 | else
|
---|
860 | {
|
---|
861 | ComAssertRet(aFilter->getId() != NULL, E_FAIL);
|
---|
862 | pProxySvc->removeFilter(aFilter->getId());
|
---|
863 | aFilter->getId() = NULL;
|
---|
864 | }
|
---|
865 | }
|
---|
866 | }
|
---|
867 | else
|
---|
868 | {
|
---|
869 | if (aFilter->getData().mActive)
|
---|
870 | {
|
---|
871 | /* update the filter in the proxy */
|
---|
872 | ComAssertRet(aFilter->getId() != NULL, E_FAIL);
|
---|
873 | pProxySvc->removeFilter(aFilter->getId());
|
---|
874 | if (aFilter->getData().mRemote.isMatch(false))
|
---|
875 | {
|
---|
876 | aFilter->getId() = pProxySvc->insertFilter(&aFilter->getData().mUSBFilter);
|
---|
877 | }
|
---|
878 | }
|
---|
879 | }
|
---|
880 | }
|
---|
881 |
|
---|
882 | return S_OK;
|
---|
883 | }
|
---|
884 |
|
---|
885 | /**
|
---|
886 | * Returns true if the given USB device matches to at least one of
|
---|
887 | * this controller's USB device filters.
|
---|
888 | *
|
---|
889 | * A HostUSBDevice specific version.
|
---|
890 | *
|
---|
891 | * @note Locks this object for reading.
|
---|
892 | */
|
---|
893 | bool USBDeviceFilters::hasMatchingFilter(const ComObjPtr<HostUSBDevice> &aDevice, ULONG *aMaskedIfs)
|
---|
894 | {
|
---|
895 | AutoCaller autoCaller(this);
|
---|
896 | AssertComRCReturn(autoCaller.rc(), false);
|
---|
897 |
|
---|
898 | /* It is not possible to work with USB device if there is no USB controller present. */
|
---|
899 | if (!m->pParent->isUSBControllerPresent())
|
---|
900 | return false;
|
---|
901 |
|
---|
902 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
903 |
|
---|
904 | /* apply self filters */
|
---|
905 | for (DeviceFilterList::const_iterator it = m->llDeviceFilters->begin();
|
---|
906 | it != m->llDeviceFilters->end();
|
---|
907 | ++it)
|
---|
908 | {
|
---|
909 | AutoWriteLock filterLock(*it COMMA_LOCKVAL_SRC_POS);
|
---|
910 | if (aDevice->isMatch((*it)->getData()))
|
---|
911 | {
|
---|
912 | *aMaskedIfs = (*it)->getData().mMaskedIfs;
|
---|
913 | return true;
|
---|
914 | }
|
---|
915 | }
|
---|
916 |
|
---|
917 | return false;
|
---|
918 | }
|
---|
919 |
|
---|
920 | /**
|
---|
921 | * Returns true if the given USB device matches to at least one of
|
---|
922 | * this controller's USB device filters.
|
---|
923 | *
|
---|
924 | * A generic version that accepts any IUSBDevice on input.
|
---|
925 | *
|
---|
926 | * @note
|
---|
927 | * This method MUST correlate with HostUSBDevice::isMatch()
|
---|
928 | * in the sense of the device matching logic.
|
---|
929 | *
|
---|
930 | * @note Locks this object for reading.
|
---|
931 | */
|
---|
932 | bool USBDeviceFilters::hasMatchingFilter(IUSBDevice *aUSBDevice, ULONG *aMaskedIfs)
|
---|
933 | {
|
---|
934 | LogFlowThisFuncEnter();
|
---|
935 |
|
---|
936 | AutoCaller autoCaller(this);
|
---|
937 | AssertComRCReturn(autoCaller.rc(), false);
|
---|
938 |
|
---|
939 | /* It is not possible to work with USB device if there is no USB controller present. */
|
---|
940 | if (!m->pParent->isUSBControllerPresent())
|
---|
941 | return false;
|
---|
942 |
|
---|
943 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
944 |
|
---|
945 | HRESULT rc = S_OK;
|
---|
946 |
|
---|
947 | /* query fields */
|
---|
948 | USBFILTER dev;
|
---|
949 | USBFilterInit(&dev, USBFILTERTYPE_CAPTURE);
|
---|
950 |
|
---|
951 | USHORT vendorId = 0;
|
---|
952 | rc = aUSBDevice->COMGETTER(VendorId)(&vendorId);
|
---|
953 | ComAssertComRCRet(rc, false);
|
---|
954 | ComAssertRet(vendorId, false);
|
---|
955 | int vrc = USBFilterSetNumExact(&dev, USBFILTERIDX_VENDOR_ID, vendorId, true); AssertRC(vrc);
|
---|
956 |
|
---|
957 | USHORT productId = 0;
|
---|
958 | rc = aUSBDevice->COMGETTER(ProductId)(&productId);
|
---|
959 | ComAssertComRCRet(rc, false);
|
---|
960 | vrc = USBFilterSetNumExact(&dev, USBFILTERIDX_PRODUCT_ID, productId, true); AssertRC(vrc);
|
---|
961 |
|
---|
962 | USHORT revision;
|
---|
963 | rc = aUSBDevice->COMGETTER(Revision)(&revision);
|
---|
964 | ComAssertComRCRet(rc, false);
|
---|
965 | vrc = USBFilterSetNumExact(&dev, USBFILTERIDX_DEVICE, revision, true); AssertRC(vrc);
|
---|
966 |
|
---|
967 | Bstr manufacturer;
|
---|
968 | rc = aUSBDevice->COMGETTER(Manufacturer)(manufacturer.asOutParam());
|
---|
969 | ComAssertComRCRet(rc, false);
|
---|
970 | if (!manufacturer.isEmpty())
|
---|
971 | USBFilterSetStringExact(&dev, USBFILTERIDX_MANUFACTURER_STR, Utf8Str(manufacturer).c_str(), true);
|
---|
972 |
|
---|
973 | Bstr product;
|
---|
974 | rc = aUSBDevice->COMGETTER(Product)(product.asOutParam());
|
---|
975 | ComAssertComRCRet(rc, false);
|
---|
976 | if (!product.isEmpty())
|
---|
977 | USBFilterSetStringExact(&dev, USBFILTERIDX_PRODUCT_STR, Utf8Str(product).c_str(), true);
|
---|
978 |
|
---|
979 | Bstr serialNumber;
|
---|
980 | rc = aUSBDevice->COMGETTER(SerialNumber)(serialNumber.asOutParam());
|
---|
981 | ComAssertComRCRet(rc, false);
|
---|
982 | if (!serialNumber.isEmpty())
|
---|
983 | USBFilterSetStringExact(&dev, USBFILTERIDX_SERIAL_NUMBER_STR, Utf8Str(serialNumber).c_str(), true);
|
---|
984 |
|
---|
985 | Bstr address;
|
---|
986 | rc = aUSBDevice->COMGETTER(Address)(address.asOutParam());
|
---|
987 | ComAssertComRCRet(rc, false);
|
---|
988 |
|
---|
989 | USHORT port = 0;
|
---|
990 | rc = aUSBDevice->COMGETTER(Port)(&port);
|
---|
991 | ComAssertComRCRet(rc, false);
|
---|
992 | USBFilterSetNumExact(&dev, USBFILTERIDX_PORT, port, true);
|
---|
993 |
|
---|
994 | BOOL remote = FALSE;
|
---|
995 | rc = aUSBDevice->COMGETTER(Remote)(&remote);
|
---|
996 | ComAssertComRCRet(rc, false);
|
---|
997 | ComAssertRet(remote == TRUE, false);
|
---|
998 |
|
---|
999 | bool match = false;
|
---|
1000 |
|
---|
1001 | /* apply self filters */
|
---|
1002 | for (DeviceFilterList::const_iterator it = m->llDeviceFilters->begin();
|
---|
1003 | it != m->llDeviceFilters->end();
|
---|
1004 | ++it)
|
---|
1005 | {
|
---|
1006 | AutoWriteLock filterLock(*it COMMA_LOCKVAL_SRC_POS);
|
---|
1007 | const USBDeviceFilter::Data &aData = (*it)->getData();
|
---|
1008 |
|
---|
1009 | if (!aData.mActive)
|
---|
1010 | continue;
|
---|
1011 | if (!aData.mRemote.isMatch(remote))
|
---|
1012 | continue;
|
---|
1013 | if (!USBFilterMatch(&aData.mUSBFilter, &dev))
|
---|
1014 | continue;
|
---|
1015 |
|
---|
1016 | match = true;
|
---|
1017 | *aMaskedIfs = aData.mMaskedIfs;
|
---|
1018 | break;
|
---|
1019 | }
|
---|
1020 |
|
---|
1021 | LogFlowThisFunc(("returns: %d\n", match));
|
---|
1022 | LogFlowThisFuncLeave();
|
---|
1023 |
|
---|
1024 | return match;
|
---|
1025 | }
|
---|
1026 |
|
---|
1027 | /**
|
---|
1028 | * Notifies the proxy pProxySvc about all filters as requested by the
|
---|
1029 | * @a aInsertFilters argument.
|
---|
1030 | *
|
---|
1031 | * @param aInsertFilters @c true to insert filters, @c false to remove.
|
---|
1032 | *
|
---|
1033 | * @note Locks this object for reading.
|
---|
1034 | */
|
---|
1035 | HRESULT USBDeviceFilters::notifyProxy(bool aInsertFilters)
|
---|
1036 | {
|
---|
1037 | LogFlowThisFunc(("aInsertFilters=%RTbool\n", aInsertFilters));
|
---|
1038 |
|
---|
1039 | AutoCaller autoCaller(this);
|
---|
1040 | AssertComRCReturn(autoCaller.rc(), false);
|
---|
1041 |
|
---|
1042 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
1043 |
|
---|
1044 | USBProxyService *pProxySvc = m->pHost->usbProxyService();
|
---|
1045 | AssertReturn(pProxySvc, E_FAIL);
|
---|
1046 |
|
---|
1047 | DeviceFilterList::const_iterator it = m->llDeviceFilters->begin();
|
---|
1048 | while (it != m->llDeviceFilters->end())
|
---|
1049 | {
|
---|
1050 | USBDeviceFilter *pFilter = *it; /* resolve ambiguity (for ComPtr below) */
|
---|
1051 |
|
---|
1052 | /* notify the proxy (only if the filter is active) */
|
---|
1053 | if ( pFilter->getData().mActive
|
---|
1054 | && pFilter->getData().mRemote.isMatch(false) /* and if the filter is NOT remote */
|
---|
1055 | )
|
---|
1056 | {
|
---|
1057 | if (aInsertFilters)
|
---|
1058 | {
|
---|
1059 | AssertReturn(pFilter->getId() == NULL, E_FAIL);
|
---|
1060 | pFilter->getId() = pProxySvc->insertFilter(&pFilter->getData().mUSBFilter);
|
---|
1061 | }
|
---|
1062 | else
|
---|
1063 | {
|
---|
1064 | /* It's possible that the given filter was not inserted the proxy
|
---|
1065 | * when this method gets called (as a result of an early VM
|
---|
1066 | * process crash for example. So, don't assert that ID != NULL. */
|
---|
1067 | if (pFilter->getId() != NULL)
|
---|
1068 | {
|
---|
1069 | pProxySvc->removeFilter(pFilter->getId());
|
---|
1070 | pFilter->getId() = NULL;
|
---|
1071 | }
|
---|
1072 | }
|
---|
1073 | }
|
---|
1074 | ++it;
|
---|
1075 | }
|
---|
1076 |
|
---|
1077 | return S_OK;
|
---|
1078 | }
|
---|
1079 |
|
---|
1080 | Machine* USBDeviceFilters::getMachine()
|
---|
1081 | {
|
---|
1082 | return m->pParent;
|
---|
1083 | }
|
---|
1084 |
|
---|
1085 | #endif /* VBOX_WITH_USB */
|
---|
1086 |
|
---|
1087 | // private methods
|
---|
1088 | /////////////////////////////////////////////////////////////////////////////
|
---|
1089 | /* vi: set tabstop=4 shiftwidth=4 expandtab: */
|
---|