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/* $Id: USBProxyService.h $ */
/** @file
* VirtualBox USB Proxy Service (base) class.
*/
/*
* Copyright (C) 2005-2022 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* SPDX-License-Identifier: GPL-3.0-only
*/
#ifndef MAIN_INCLUDED_USBProxyService_h
#define MAIN_INCLUDED_USBProxyService_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#include <VBox/usb.h>
#include <VBox/usbfilter.h>
#include "VirtualBoxBase.h"
#include "VirtualBoxImpl.h"
#include "HostUSBDeviceImpl.h"
#include "USBProxyBackend.h"
class Host;
namespace settings
{
struct USBDeviceSource;
typedef std::list<USBDeviceSource> USBDeviceSourcesList;
}
/**
* Base class for the USB Proxy service.
*/
class USBProxyService
: public Lockable
{
public:
DECLARE_TRANSLATE_METHODS(USBProxyService)
USBProxyService(Host *aHost);
virtual HRESULT init(void);
virtual ~USBProxyService();
/**
* Override of the default locking class to be used for validating lock
* order with the standard member lock handle.
*/
virtual VBoxLockingClass getLockingClass() const
{
// the USB proxy service uses the Host object lock, so return the
// same locking class as the host
return LOCKCLASS_HOSTOBJECT;
}
void uninit(void);
bool isActive(void);
int getLastError(void);
RWLockHandle *lockHandle() const;
/** @name Interface for the USBController and the Host object.
* @{ */
void *insertFilter(PCUSBFILTER aFilter);
void removeFilter(void *aId);
/** @} */
/** @name Host Interfaces
* @{ */
HRESULT getDeviceCollection(std::vector<ComPtr<IHostUSBDevice> > &aUSBDevices);
HRESULT addUSBDeviceSource(const com::Utf8Str &aBackend, const com::Utf8Str &aId, const com::Utf8Str &aAddress,
const std::vector<com::Utf8Str> &aPropertyNames, const std::vector<com::Utf8Str> &aPropertyValues);
HRESULT removeUSBDeviceSource(const com::Utf8Str &aId);
/** @} */
/** @name SessionMachine Interfaces
* @{ */
HRESULT captureDeviceForVM(SessionMachine *aMachine, IN_GUID aId, const com::Utf8Str &aCaptureFilename);
HRESULT detachDeviceFromVM(SessionMachine *aMachine, IN_GUID aId, bool aDone);
HRESULT autoCaptureDevicesForVM(SessionMachine *aMachine);
HRESULT detachAllDevicesFromVM(SessionMachine *aMachine, bool aDone, bool aAbnormal);
/** @} */
typedef std::list< ComObjPtr<HostUSBDeviceFilter> > USBDeviceFilterList;
HRESULT i_loadSettings(const settings::USBDeviceSourcesList &llUSBDeviceSources);
HRESULT i_saveSettings(settings::USBDeviceSourcesList &llUSBDeviceSources);
void i_deviceAdded(ComObjPtr<HostUSBDevice> &aDevice, PUSBDEVICE aUSBDevice);
void i_deviceRemoved(ComObjPtr<HostUSBDevice> &aDevice);
void i_updateDeviceState(ComObjPtr<HostUSBDevice> &aDevice, PUSBDEVICE aUSBDevice, bool fFakeUpdate);
protected:
ComObjPtr<HostUSBDevice> findDeviceById(IN_GUID aId);
static HRESULT setError(HRESULT aResultCode, const char *aText, ...);
USBProxyBackend *findUsbProxyBackendById(const com::Utf8Str &strId);
HRESULT createUSBDeviceSource(const com::Utf8Str &aBackend, const com::Utf8Str &aId,
const com::Utf8Str &aAddress, const std::vector<com::Utf8Str> &aPropertyNames,
const std::vector<com::Utf8Str> &aPropertyValues, bool fLoadingSettings);
private:
HRESULT runAllFiltersOnDevice(ComObjPtr<HostUSBDevice> &aDevice,
SessionMachinesList &llOpenedMachines,
SessionMachine *aIgnoreMachine);
bool runMachineFilters(SessionMachine *aMachine, ComObjPtr<HostUSBDevice> &aDevice);
void deviceChanged(ComObjPtr<HostUSBDevice> &aDevice, bool fRunFilters, SessionMachine *aIgnoreMachine);
/** Pointer to the Host object. */
Host *mHost;
/** List of smart HostUSBDevice pointers. */
typedef std::list<ComObjPtr<HostUSBDevice> > HostUSBDeviceList;
/** List of the known USB devices. */
HostUSBDeviceList mDevices;
/** List of USBProxyBackend pointers. */
typedef std::list<ComObjPtr<USBProxyBackend> > USBProxyBackendList;
/** List of active USB backends. */
USBProxyBackendList mBackends;
int mLastError;
};
#endif /* !MAIN_INCLUDED_USBProxyService_h */
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