1 | /* $Id: USBProxyService.h 53062 2014-10-15 12:34:18Z vboxsync $ */
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2 | /** @file
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3 | * VirtualBox USB Proxy Service (base) class.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2005-2012 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 |
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19 | #ifndef ____H_USBPROXYSERVICE
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20 | #define ____H_USBPROXYSERVICE
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21 |
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22 | #include <VBox/usb.h>
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23 | #include <VBox/usbfilter.h>
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24 |
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25 | #include "VirtualBoxBase.h"
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26 | #include "VirtualBoxImpl.h"
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27 | #include "HostUSBDeviceImpl.h"
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28 | class Host;
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29 |
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30 | /**
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31 | * Base class for the USB Proxy service.
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32 | */
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33 | class USBProxyService
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34 | : public VirtualBoxTranslatable
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35 | {
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36 | public:
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37 | USBProxyService(Host *aHost);
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38 | virtual HRESULT init(void);
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39 | virtual ~USBProxyService();
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40 |
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41 | /**
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42 | * Override of the default locking class to be used for validating lock
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43 | * order with the standard member lock handle.
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44 | */
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45 | virtual VBoxLockingClass getLockingClass() const
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46 | {
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47 | // the USB proxy service uses the Host object lock, so return the
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48 | // same locking class as the host
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49 | return LOCKCLASS_HOSTOBJECT;
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50 | }
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51 |
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52 | bool isActive(void);
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53 | int getLastError(void);
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54 | HRESULT getLastErrorMessage(BSTR *aError);
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55 |
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56 | RWLockHandle *lockHandle() const;
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57 |
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58 | /** @name Host Interfaces
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59 | * @{ */
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60 | HRESULT getDeviceCollection(std::vector<ComPtr<IHostUSBDevice> > &aUSBDevices);
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61 | /** @} */
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62 |
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63 | /** @name SessionMachine Interfaces
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64 | * @{ */
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65 | HRESULT captureDeviceForVM(SessionMachine *aMachine, IN_GUID aId, const com::Utf8Str &aCaptureFilename);
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66 | HRESULT detachDeviceFromVM(SessionMachine *aMachine, IN_GUID aId, bool aDone);
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67 | HRESULT autoCaptureDevicesForVM(SessionMachine *aMachine);
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68 | HRESULT detachAllDevicesFromVM(SessionMachine *aMachine, bool aDone, bool aAbnormal);
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69 | /** @} */
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70 |
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71 | /** @name Interface for the USBController and the Host object.
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72 | * @{ */
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73 | virtual void *insertFilter(PCUSBFILTER aFilter);
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74 | virtual void removeFilter(void *aId);
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75 | /** @} */
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76 |
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77 | /** @name Interfaces for the HostUSBDevice
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78 | * @{ */
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79 | virtual int captureDevice(HostUSBDevice *aDevice);
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80 | virtual void captureDeviceCompleted(HostUSBDevice *aDevice, bool aSuccess);
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81 | /** @todo unused */
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82 | virtual void detachingDevice(HostUSBDevice *aDevice);
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83 | virtual int releaseDevice(HostUSBDevice *aDevice);
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84 | virtual void releaseDeviceCompleted(HostUSBDevice *aDevice, bool aSuccess);
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85 | /** @} */
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86 |
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87 | protected:
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88 | int start(void);
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89 | int stop(void);
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90 | virtual void serviceThreadInit(void);
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91 | virtual void serviceThreadTerm(void);
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92 |
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93 | virtual int wait(RTMSINTERVAL aMillies);
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94 | virtual int interruptWait(void);
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95 | virtual PUSBDEVICE getDevices(void);
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96 | virtual void deviceAdded(ComObjPtr<HostUSBDevice> &aDevice, SessionMachinesList &llOpenedMachines, PUSBDEVICE aUSBDevice);
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97 | virtual void deviceRemoved(ComObjPtr<HostUSBDevice> &aDevice);
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98 | virtual void deviceChanged(ComObjPtr<HostUSBDevice> &aDevice, SessionMachinesList *pllOpenedMachines, SessionMachine *aIgnoreMachine);
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99 | bool updateDeviceStateFake(HostUSBDevice *aDevice, PUSBDEVICE aUSBDevice, bool *aRunFilters, SessionMachine **aIgnoreMachine);
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100 | virtual bool updateDeviceState(HostUSBDevice *aDevice, PUSBDEVICE aUSBDevice, bool *aRunFilters, SessionMachine **aIgnoreMachine);
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101 |
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102 | ComObjPtr<HostUSBDevice> findDeviceById(IN_GUID aId);
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103 |
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104 | static HRESULT setError(HRESULT aResultCode, const char *aText, ...);
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105 |
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106 | static void initFilterFromDevice(PUSBFILTER aFilter, HostUSBDevice *aDevice);
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107 | static void freeDeviceMembers(PUSBDEVICE pDevice);
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108 | public:
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109 | static void freeDevice(PUSBDEVICE pDevice);
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110 |
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111 | private:
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112 | HRESULT runAllFiltersOnDevice(ComObjPtr<HostUSBDevice> &aDevice,
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113 | SessionMachinesList &llOpenedMachines,
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114 | SessionMachine *aIgnoreMachine);
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115 | bool runMachineFilters(SessionMachine *aMachine, ComObjPtr<HostUSBDevice> &aDevice);
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116 | void processChanges(void);
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117 | static DECLCALLBACK(int) serviceThread(RTTHREAD Thread, void *pvUser);
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118 |
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119 | protected:
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120 | /** Pointer to the Host object. */
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121 | Host *mHost;
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122 | /** Thread handle of the service thread. */
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123 | RTTHREAD mThread;
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124 | /** Flag which stop() sets to cause serviceThread to return. */
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125 | bool volatile mTerminate;
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126 | /** VBox status code of the last failure.
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127 | * (Only used by start(), stop() and the child constructors.) */
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128 | int mLastError;
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129 | /** Optional error message to complement mLastError. */
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130 | Bstr mLastErrorMessage;
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131 | /** List of smart HostUSBDevice pointers. */
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132 | typedef std::list<ComObjPtr<HostUSBDevice> > HostUSBDeviceList;
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133 | /** List of the known USB devices. */
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134 | HostUSBDeviceList mDevices;
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135 | };
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136 |
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137 |
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138 | # ifdef RT_OS_DARWIN
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139 | # include <VBox/param.h>
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140 | # undef PAGE_SHIFT
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141 | # undef PAGE_SIZE
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142 | # define OSType Carbon_OSType
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143 | # include <Carbon/Carbon.h>
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144 | # undef OSType
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145 |
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146 | /**
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147 | * The Darwin hosted USB Proxy Service.
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148 | */
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149 | class USBProxyServiceDarwin : public USBProxyService
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150 | {
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151 | public:
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152 | USBProxyServiceDarwin(Host *aHost);
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153 | HRESULT init(void);
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154 | ~USBProxyServiceDarwin();
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155 |
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156 | #ifdef VBOX_WITH_NEW_USB_CODE_ON_DARWIN
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157 | virtual void *insertFilter(PCUSBFILTER aFilter);
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158 | virtual void removeFilter(void *aId);
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159 | #endif
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160 |
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161 | virtual int captureDevice(HostUSBDevice *aDevice);
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162 | virtual void captureDeviceCompleted(HostUSBDevice *aDevice, bool aSuccess);
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163 | /** @todo unused */
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164 | virtual void detachingDevice(HostUSBDevice *aDevice);
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165 | virtual int releaseDevice(HostUSBDevice *aDevice);
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166 | virtual void releaseDeviceCompleted(HostUSBDevice *aDevice, bool aSuccess);
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167 |
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168 | protected:
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169 | virtual int wait(RTMSINTERVAL aMillies);
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170 | virtual int interruptWait (void);
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171 | virtual PUSBDEVICE getDevices (void);
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172 | virtual void serviceThreadInit (void);
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173 | virtual void serviceThreadTerm (void);
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174 | virtual bool updateDeviceState (HostUSBDevice *aDevice, PUSBDEVICE aUSBDevice, bool *aRunFilters, SessionMachine **aIgnoreMachine);
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175 |
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176 | private:
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177 | /** Reference to the runloop of the service thread.
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178 | * This is NULL if the service thread isn't running. */
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179 | CFRunLoopRef mServiceRunLoopRef;
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180 | /** The opaque value returned by DarwinSubscribeUSBNotifications. */
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181 | void *mNotifyOpaque;
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182 | /** A hack to work around the problem with the usb device enumeration
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183 | * not including newly attached devices. */
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184 | bool mWaitABitNextTime;
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185 | #ifndef VBOX_WITH_NEW_USB_CODE_ON_DARWIN
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186 | /** Whether we've got a fake async event and should return without entering the runloop. */
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187 | bool volatile mFakeAsync;
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188 | #endif
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189 | /** Whether we've successfully initialized the USBLib and should call USBLibTerm in the destructor. */
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190 | bool mUSBLibInitialized;
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191 | };
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192 | # endif /* RT_OS_DARWIN */
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193 |
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194 |
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195 | # ifdef RT_OS_LINUX
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196 | # include <stdio.h>
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197 | # ifdef VBOX_USB_WITH_SYSFS
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198 | # include <HostHardwareLinux.h>
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199 | # endif
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200 |
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201 | /**
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202 | * The Linux hosted USB Proxy Service.
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203 | */
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204 | class USBProxyServiceLinux
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205 | : public USBProxyService
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206 | {
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207 | public:
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208 | USBProxyServiceLinux(Host *aHost);
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209 | HRESULT init(void);
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210 | ~USBProxyServiceLinux();
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211 |
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212 | virtual int captureDevice(HostUSBDevice *aDevice);
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213 | virtual int releaseDevice(HostUSBDevice *aDevice);
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214 |
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215 | protected:
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216 | int initUsbfs(void);
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217 | int initSysfs(void);
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218 | void doUsbfsCleanupAsNeeded(void);
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219 | virtual int wait(RTMSINTERVAL aMillies);
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220 | virtual int interruptWait(void);
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221 | virtual PUSBDEVICE getDevices(void);
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222 | virtual void deviceAdded(ComObjPtr<HostUSBDevice> &aDevice, SessionMachinesList &llOpenedMachines, PUSBDEVICE aUSBDevice);
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223 | virtual bool updateDeviceState(HostUSBDevice *aDevice, PUSBDEVICE aUSBDevice, bool *aRunFilters, SessionMachine **aIgnoreMachine);
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224 |
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225 | private:
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226 | int waitUsbfs(RTMSINTERVAL aMillies);
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227 | int waitSysfs(RTMSINTERVAL aMillies);
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228 |
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229 | private:
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230 | /** File handle to the '/proc/bus/usb/devices' file. */
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231 | RTFILE mhFile;
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232 | /** Pipe used to interrupt wait(), the read end. */
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233 | RTPIPE mhWakeupPipeR;
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234 | /** Pipe used to interrupt wait(), the write end. */
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235 | RTPIPE mhWakeupPipeW;
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236 | /** The root of usbfs. */
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237 | Utf8Str mDevicesRoot;
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238 | /** Whether we're using <mUsbfsRoot>/devices or /sys/whatever. */
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239 | bool mUsingUsbfsDevices;
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240 | /** Number of 500ms polls left to do. See usbDeterminState for details. */
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241 | unsigned mUdevPolls;
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242 | # ifdef VBOX_USB_WITH_SYSFS
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243 | /** Object used for polling for hotplug events from hal. */
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244 | VBoxMainHotplugWaiter *mpWaiter;
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245 | # endif
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246 | };
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247 | # endif /* RT_OS_LINUX */
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248 |
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249 |
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250 | # ifdef RT_OS_OS2
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251 | # include <usbcalls.h>
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252 |
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253 | /**
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254 | * The Linux hosted USB Proxy Service.
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255 | */
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256 | class USBProxyServiceOs2 : public USBProxyService
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257 | {
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258 | public:
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259 | USBProxyServiceOs2 (Host *aHost);
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260 | /// @todo virtual HRESULT init(void);
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261 | ~USBProxyServiceOs2();
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262 |
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263 | virtual int captureDevice (HostUSBDevice *aDevice);
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264 | virtual int releaseDevice (HostUSBDevice *aDevice);
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265 |
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266 | protected:
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267 | virtual int wait(RTMSINTERVAL aMillies);
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268 | virtual int interruptWait(void);
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269 | virtual PUSBDEVICE getDevices(void);
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270 | int addDeviceToChain(PUSBDEVICE pDev, PUSBDEVICE *ppFirst, PUSBDEVICE **pppNext, int rc);
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271 | virtual bool updateDeviceState(HostUSBDevice *aDevice, PUSBDEVICE aUSBDevice, bool *aRunFilters, SessionMachine **aIgnoreMachine);
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272 |
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273 | private:
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274 | /** The notification event semaphore */
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275 | HEV mhev;
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276 | /** The notification id. */
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277 | USBNOTIFY mNotifyId;
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278 | /** The usbcalls.dll handle. */
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279 | HMODULE mhmod;
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280 | /** UsbRegisterChangeNotification */
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281 | APIRET (APIENTRY *mpfnUsbRegisterChangeNotification)(PUSBNOTIFY, HEV, HEV);
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282 | /** UsbDeregisterNotification */
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283 | APIRET (APIENTRY *mpfnUsbDeregisterNotification)(USBNOTIFY);
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284 | /** UsbQueryNumberDevices */
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285 | APIRET (APIENTRY *mpfnUsbQueryNumberDevices)(PULONG);
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286 | /** UsbQueryDeviceReport */
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287 | APIRET (APIENTRY *mpfnUsbQueryDeviceReport)(ULONG, PULONG, PVOID);
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288 | };
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289 | # endif /* RT_OS_LINUX */
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290 |
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291 |
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292 | # ifdef RT_OS_SOLARIS
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293 | # include <libdevinfo.h>
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294 |
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295 | /**
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296 | * The Solaris hosted USB Proxy Service.
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297 | */
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298 | class USBProxyServiceSolaris : public USBProxyService
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299 | {
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300 | public:
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301 | USBProxyServiceSolaris(Host *aHost);
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302 | HRESULT init(void);
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303 | ~USBProxyServiceSolaris();
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304 |
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305 | virtual void *insertFilter (PCUSBFILTER aFilter);
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306 | virtual void removeFilter (void *aID);
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307 |
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308 | virtual int captureDevice (HostUSBDevice *aDevice);
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309 | virtual int releaseDevice (HostUSBDevice *aDevice);
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310 | virtual void captureDeviceCompleted(HostUSBDevice *aDevice, bool aSuccess);
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311 | virtual void releaseDeviceCompleted(HostUSBDevice *aDevice, bool aSuccess);
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312 |
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313 | protected:
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314 | virtual int wait(RTMSINTERVAL aMillies);
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315 | virtual int interruptWait(void);
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316 | virtual PUSBDEVICE getDevices(void);
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317 | virtual bool updateDeviceState(HostUSBDevice *aDevice, PUSBDEVICE aUSBDevice, bool *aRunFilters, SessionMachine **aIgnoreMachine);
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318 |
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319 | private:
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320 | RTSEMEVENT mNotifyEventSem;
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321 | /** Whether we've successfully initialized the USBLib and should call USBLibTerm in the destructor. */
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322 | bool mUSBLibInitialized;
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323 | };
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324 | #endif /* RT_OS_SOLARIS */
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325 |
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326 |
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327 | # ifdef RT_OS_WINDOWS
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328 | /**
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329 | * The Windows hosted USB Proxy Service.
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330 | */
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331 | class USBProxyServiceWindows : public USBProxyService
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332 | {
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333 | public:
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334 | USBProxyServiceWindows(Host *aHost);
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335 | HRESULT init(void);
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336 | ~USBProxyServiceWindows();
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337 |
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338 | virtual void *insertFilter (PCUSBFILTER aFilter);
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339 | virtual void removeFilter (void *aID);
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340 |
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341 | virtual int captureDevice (HostUSBDevice *aDevice);
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342 | virtual int releaseDevice (HostUSBDevice *aDevice);
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343 |
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344 | protected:
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345 | virtual int wait(RTMSINTERVAL aMillies);
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346 | virtual int interruptWait(void);
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347 | virtual PUSBDEVICE getDevices(void);
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348 | virtual bool updateDeviceState(HostUSBDevice *aDevice, PUSBDEVICE aUSBDevice, bool *aRunFilters, SessionMachine **aIgnoreMachine);
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349 |
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350 | private:
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351 |
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352 | HANDLE mhEventInterrupt;
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353 | };
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354 | # endif /* RT_OS_WINDOWS */
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355 |
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356 | # ifdef RT_OS_FREEBSD
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357 | /**
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358 | * The FreeBSD hosted USB Proxy Service.
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359 | */
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360 | class USBProxyServiceFreeBSD : public USBProxyService
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361 | {
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362 | public:
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363 | USBProxyServiceFreeBSD(Host *aHost);
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364 | HRESULT init(void);
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365 | ~USBProxyServiceFreeBSD();
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366 |
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367 | virtual int captureDevice(HostUSBDevice *aDevice);
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368 | virtual int releaseDevice(HostUSBDevice *aDevice);
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369 |
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370 | protected:
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371 | int initUsbfs(void);
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372 | int initSysfs(void);
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373 | virtual int wait(RTMSINTERVAL aMillies);
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374 | virtual int interruptWait(void);
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375 | virtual PUSBDEVICE getDevices(void);
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376 | int addDeviceToChain(PUSBDEVICE pDev, PUSBDEVICE *ppFirst, PUSBDEVICE **pppNext, int rc);
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377 | virtual void deviceAdded(ComObjPtr<HostUSBDevice> &aDevice, SessionMachinesList &llOpenedMachines, PUSBDEVICE aUSBDevice);
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378 | virtual bool updateDeviceState(HostUSBDevice *aDevice, PUSBDEVICE aUSBDevice, bool *aRunFilters, SessionMachine **aIgnoreMachine);
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379 |
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380 | private:
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381 | RTSEMEVENT mNotifyEventSem;
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382 | };
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383 | # endif /* RT_OS_FREEBSD */
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384 |
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385 | #endif /* !____H_USBPROXYSERVICE */
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386 | /* vi: set tabstop=4 shiftwidth=4 expandtab: */
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