Main/src-client/EmulatedUSBImpl.cpp

	EmulatedUSBImpl.cpp revision 3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbca
101e307bb33304d9dda53a7652510880e8228b13vboxsync/* $Id$ */
101e307bb33304d9dda53a7652510880e8228b13vboxsync/** @file
101e307bb33304d9dda53a7652510880e8228b13vboxsync *
101e307bb33304d9dda53a7652510880e8228b13vboxsync * Emulated USB manager implementation.
101e307bb33304d9dda53a7652510880e8228b13vboxsync */
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync/*
101e307bb33304d9dda53a7652510880e8228b13vboxsync * Copyright (C) 2013 Oracle Corporation
101e307bb33304d9dda53a7652510880e8228b13vboxsync *
101e307bb33304d9dda53a7652510880e8228b13vboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
101e307bb33304d9dda53a7652510880e8228b13vboxsync * available from http://www.virtualbox.org. This file is free software;
101e307bb33304d9dda53a7652510880e8228b13vboxsync * you can redistribute it and/or modify it under the terms of the GNU
101e307bb33304d9dda53a7652510880e8228b13vboxsync * General Public License (GPL) as published by the Free Software
101e307bb33304d9dda53a7652510880e8228b13vboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
101e307bb33304d9dda53a7652510880e8228b13vboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
101e307bb33304d9dda53a7652510880e8228b13vboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
101e307bb33304d9dda53a7652510880e8228b13vboxsync */
101e307bb33304d9dda53a7652510880e8228b13vboxsync
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync#define LOG_GROUP_MAIN_OVERRIDE LOG_GROUP_MAIN_EMULATEDUSB
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync#include "EmulatedUSBImpl.h"
101e307bb33304d9dda53a7652510880e8228b13vboxsync#include "ConsoleImpl.h"
101e307bb33304d9dda53a7652510880e8228b13vboxsync#include "Logging.h"
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync#include <VBox/vmm/pdmusb.h>
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync/*
101e307bb33304d9dda53a7652510880e8228b13vboxsync * Emulated USB webcam device instance.
101e307bb33304d9dda53a7652510880e8228b13vboxsync */
101e307bb33304d9dda53a7652510880e8228b13vboxsynctypedef std::map <Utf8Str, Utf8Str> EUSBSettingsMap;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsynctypedef enum EUSBDEVICESTATUS
101e307bb33304d9dda53a7652510880e8228b13vboxsync{
101e307bb33304d9dda53a7652510880e8228b13vboxsync    EUSBDEVICE_CREATED,
101e307bb33304d9dda53a7652510880e8228b13vboxsync    EUSBDEVICE_ATTACHING,
101e307bb33304d9dda53a7652510880e8228b13vboxsync    EUSBDEVICE_ATTACHED
101e307bb33304d9dda53a7652510880e8228b13vboxsync} EUSBDEVICESTATUS;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsyncclass EUSBWEBCAM /* : public EUSBDEVICE */
101e307bb33304d9dda53a7652510880e8228b13vboxsync{
101e307bb33304d9dda53a7652510880e8228b13vboxsync    private:
101e307bb33304d9dda53a7652510880e8228b13vboxsync        int32_t volatile mcRefs;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        EmulatedUSB *mpEmulatedUSB;
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync        RTUUID mUuid;
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        char mszUuid[RTUUID_STR_LENGTH];
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync        Utf8Str mPath;
101e307bb33304d9dda53a7652510880e8228b13vboxsync        Utf8Str mSettings;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync        EUSBSettingsMap mDevSettings;
101e307bb33304d9dda53a7652510880e8228b13vboxsync        EUSBSettingsMap mDrvSettings;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsync        void *mpvObject;
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsync
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsync        static DECLCALLBACK(int) emulatedWebcamAttach(PUVM pUVM, EUSBWEBCAM *pThis, const char *pszDriver);
101e307bb33304d9dda53a7652510880e8228b13vboxsync        static DECLCALLBACK(int) emulatedWebcamDetach(PUVM pUVM, EUSBWEBCAM *pThis);
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync        HRESULT settingsParse(void);
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync        ~EUSBWEBCAM()
101e307bb33304d9dda53a7652510880e8228b13vboxsync        {
101e307bb33304d9dda53a7652510880e8228b13vboxsync        }
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    public:
101e307bb33304d9dda53a7652510880e8228b13vboxsync        EUSBWEBCAM()
101e307bb33304d9dda53a7652510880e8228b13vboxsync            :
101e307bb33304d9dda53a7652510880e8228b13vboxsync            mcRefs(1),
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync            mpEmulatedUSB(NULL),
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsync            enmStatus(EUSBDEVICE_CREATED),
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsync            mpvObject(NULL)
101e307bb33304d9dda53a7652510880e8228b13vboxsync        {
101e307bb33304d9dda53a7652510880e8228b13vboxsync            RT_ZERO(mUuid);
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync            RT_ZERO(mszUuid);
101e307bb33304d9dda53a7652510880e8228b13vboxsync        }
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync        int32_t AddRef(void)
101e307bb33304d9dda53a7652510880e8228b13vboxsync        {
101e307bb33304d9dda53a7652510880e8228b13vboxsync            return ASMAtomicIncS32(&mcRefs);
101e307bb33304d9dda53a7652510880e8228b13vboxsync        }
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync        void Release(void)
101e307bb33304d9dda53a7652510880e8228b13vboxsync        {
101e307bb33304d9dda53a7652510880e8228b13vboxsync            int32_t c = ASMAtomicDecS32(&mcRefs);
101e307bb33304d9dda53a7652510880e8228b13vboxsync            if (c == 0)
101e307bb33304d9dda53a7652510880e8228b13vboxsync            {
101e307bb33304d9dda53a7652510880e8228b13vboxsync                delete this;
101e307bb33304d9dda53a7652510880e8228b13vboxsync            }
101e307bb33304d9dda53a7652510880e8228b13vboxsync        }
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync        HRESULT Initialize(Console *pConsole,
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync                           EmulatedUSB *pEmulatedUSB,
101e307bb33304d9dda53a7652510880e8228b13vboxsync                           const com::Utf8Str *aPath,
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsync                           const com::Utf8Str *aSettings,
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsync                           void *pvObject);
101e307bb33304d9dda53a7652510880e8228b13vboxsync        HRESULT Attach(Console *pConsole,
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsync                       PUVM pUVM,
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsync                       const char *pszDriver);
101e307bb33304d9dda53a7652510880e8228b13vboxsync        HRESULT Detach(Console *pConsole,
101e307bb33304d9dda53a7652510880e8228b13vboxsync                       PUVM pUVM);
101e307bb33304d9dda53a7652510880e8228b13vboxsync
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        bool HasId(const char *pszId) { return RTStrCmp(pszId, mszUuid) == 0;}
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync        EUSBDEVICESTATUS enmStatus;
101e307bb33304d9dda53a7652510880e8228b13vboxsync};
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsync/* static */ DECLCALLBACK(int) EUSBWEBCAM::emulatedWebcamAttach(PUVM pUVM, EUSBWEBCAM *pThis, const char *pszDriver)
101e307bb33304d9dda53a7652510880e8228b13vboxsync{
101e307bb33304d9dda53a7652510880e8228b13vboxsync    EUSBSettingsMap::const_iterator it;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    PCFGMNODE pInstance = CFGMR3CreateTree(pUVM);
101e307bb33304d9dda53a7652510880e8228b13vboxsync    PCFGMNODE pConfig;
101e307bb33304d9dda53a7652510880e8228b13vboxsync    CFGMR3InsertNode(pInstance,   "Config", &pConfig);
101e307bb33304d9dda53a7652510880e8228b13vboxsync    for (it = pThis->mDevSettings.begin(); it != pThis->mDevSettings.end(); ++it)
101e307bb33304d9dda53a7652510880e8228b13vboxsync        CFGMR3InsertString(pConfig, it->first.c_str(), it->second.c_str());
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    PCFGMNODE pEUSB;
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    CFGMR3InsertNode(pConfig,       "EmulatedUSB", &pEUSB);
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    CFGMR3InsertString(pEUSB,         "Id", pThis->mszUuid);
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    CFGMR3InsertInteger(pEUSB,        "pfnCallback", (uintptr_t)EmulatedUSB::eusbCallback);
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    CFGMR3InsertInteger(pEUSB,        "pvCallback", (uintptr_t)pThis->mpEmulatedUSB);
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    PCFGMNODE pLunL0;
101e307bb33304d9dda53a7652510880e8228b13vboxsync    CFGMR3InsertNode(pInstance,   "LUN#0", &pLunL0);
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsync    CFGMR3InsertString(pLunL0,      "Driver", pszDriver);
101e307bb33304d9dda53a7652510880e8228b13vboxsync    CFGMR3InsertNode(pLunL0,        "Config", &pConfig);
101e307bb33304d9dda53a7652510880e8228b13vboxsync    CFGMR3InsertString(pConfig,       "DevicePath", pThis->mPath.c_str());
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsync    CFGMR3InsertInteger(pConfig,      "Object", (uintptr_t)pThis->mpvObject);
101e307bb33304d9dda53a7652510880e8228b13vboxsync    for (it = pThis->mDrvSettings.begin(); it != pThis->mDrvSettings.end(); ++it)
101e307bb33304d9dda53a7652510880e8228b13vboxsync        CFGMR3InsertString(pConfig, it->first.c_str(), it->second.c_str());
101e307bb33304d9dda53a7652510880e8228b13vboxsync
49266c3495090afba8c49601c1c14b6521f23b66vboxsync    /* pInstance will be used by PDM and deallocated on error. */
101e307bb33304d9dda53a7652510880e8228b13vboxsync    int rc = PDMR3UsbCreateEmulatedDevice(pUVM, "Webcam", pInstance, &pThis->mUuid);
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    LogRelFlowFunc(("PDMR3UsbCreateEmulatedDevice %Rrc\n", rc));
101e307bb33304d9dda53a7652510880e8228b13vboxsync    return rc;
101e307bb33304d9dda53a7652510880e8228b13vboxsync}
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync/* static */ DECLCALLBACK(int) EUSBWEBCAM::emulatedWebcamDetach(PUVM pUVM, EUSBWEBCAM *pThis)
101e307bb33304d9dda53a7652510880e8228b13vboxsync{
101e307bb33304d9dda53a7652510880e8228b13vboxsync    return PDMR3UsbDetachDevice(pUVM, &pThis->mUuid);
101e307bb33304d9dda53a7652510880e8228b13vboxsync}
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsyncHRESULT EUSBWEBCAM::Initialize(Console *pConsole,
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync                               EmulatedUSB *pEmulatedUSB,
101e307bb33304d9dda53a7652510880e8228b13vboxsync                               const com::Utf8Str *aPath,
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsync                               const com::Utf8Str *aSettings,
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsync                               void *pvObject)
101e307bb33304d9dda53a7652510880e8228b13vboxsync{
101e307bb33304d9dda53a7652510880e8228b13vboxsync    HRESULT hrc = S_OK;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    int vrc = RTUuidCreate(&mUuid);
101e307bb33304d9dda53a7652510880e8228b13vboxsync    if (RT_SUCCESS(vrc))
101e307bb33304d9dda53a7652510880e8228b13vboxsync    {
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        RTStrPrintf(mszUuid, sizeof(mszUuid), "%RTuuid", &mUuid);
101e307bb33304d9dda53a7652510880e8228b13vboxsync        hrc = mPath.assignEx(*aPath);
101e307bb33304d9dda53a7652510880e8228b13vboxsync        if (SUCCEEDED(hrc))
101e307bb33304d9dda53a7652510880e8228b13vboxsync        {
101e307bb33304d9dda53a7652510880e8228b13vboxsync            hrc = mSettings.assignEx(*aSettings);
101e307bb33304d9dda53a7652510880e8228b13vboxsync        }
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync        if (SUCCEEDED(hrc))
101e307bb33304d9dda53a7652510880e8228b13vboxsync        {
101e307bb33304d9dda53a7652510880e8228b13vboxsync            hrc = settingsParse();
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync            if (SUCCEEDED(hrc))
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync            {
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync                mpEmulatedUSB = pEmulatedUSB;
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsync                mpvObject = pvObject;
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync            }
101e307bb33304d9dda53a7652510880e8228b13vboxsync        }
101e307bb33304d9dda53a7652510880e8228b13vboxsync    }
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    if (SUCCEEDED(hrc) && RT_FAILURE(vrc))
101e307bb33304d9dda53a7652510880e8228b13vboxsync    {
101e307bb33304d9dda53a7652510880e8228b13vboxsync        LogFlowThisFunc(("%Rrc\n", vrc));
101e307bb33304d9dda53a7652510880e8228b13vboxsync        hrc = pConsole->setError(VBOX_E_IPRT_ERROR,
101e307bb33304d9dda53a7652510880e8228b13vboxsync                                 "Init emulated USB webcam (%Rrc)", vrc);
101e307bb33304d9dda53a7652510880e8228b13vboxsync    }
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    return hrc;
101e307bb33304d9dda53a7652510880e8228b13vboxsync}
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsyncHRESULT EUSBWEBCAM::settingsParse(void)
101e307bb33304d9dda53a7652510880e8228b13vboxsync{
101e307bb33304d9dda53a7652510880e8228b13vboxsync    HRESULT hrc = S_OK;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    return hrc;
101e307bb33304d9dda53a7652510880e8228b13vboxsync}
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsyncHRESULT EUSBWEBCAM::Attach(Console *pConsole,
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsync                           PUVM pUVM,
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsync                           const char *pszDriver)
101e307bb33304d9dda53a7652510880e8228b13vboxsync{
101e307bb33304d9dda53a7652510880e8228b13vboxsync    HRESULT hrc = S_OK;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    int  vrc = VMR3ReqCallWaitU(pUVM, 0 /* idDstCpu (saved state, see #6232) */,
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsync                                (PFNRT)emulatedWebcamAttach, 3,
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsync                                pUVM, this, pszDriver);
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    if (SUCCEEDED(hrc) && RT_FAILURE(vrc))
101e307bb33304d9dda53a7652510880e8228b13vboxsync    {
101e307bb33304d9dda53a7652510880e8228b13vboxsync        LogFlowThisFunc(("%Rrc\n", vrc));
101e307bb33304d9dda53a7652510880e8228b13vboxsync        hrc = pConsole->setError(VBOX_E_IPRT_ERROR,
101e307bb33304d9dda53a7652510880e8228b13vboxsync                                 "Attach emulated USB webcam (%Rrc)", vrc);
101e307bb33304d9dda53a7652510880e8228b13vboxsync    }
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    return hrc;
101e307bb33304d9dda53a7652510880e8228b13vboxsync}
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsyncHRESULT EUSBWEBCAM::Detach(Console *pConsole,
101e307bb33304d9dda53a7652510880e8228b13vboxsync                           PUVM pUVM)
101e307bb33304d9dda53a7652510880e8228b13vboxsync{
101e307bb33304d9dda53a7652510880e8228b13vboxsync    HRESULT hrc = S_OK;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    int vrc = VMR3ReqCallWaitU(pUVM, 0 /* idDstCpu (saved state, see #6232) */,
101e307bb33304d9dda53a7652510880e8228b13vboxsync                              (PFNRT)emulatedWebcamDetach, 2,
101e307bb33304d9dda53a7652510880e8228b13vboxsync                              pUVM, this);
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    if (SUCCEEDED(hrc) && RT_FAILURE(vrc))
101e307bb33304d9dda53a7652510880e8228b13vboxsync    {
101e307bb33304d9dda53a7652510880e8228b13vboxsync        LogFlowThisFunc(("%Rrc\n", vrc));
101e307bb33304d9dda53a7652510880e8228b13vboxsync        hrc = pConsole->setError(VBOX_E_IPRT_ERROR,
101e307bb33304d9dda53a7652510880e8228b13vboxsync                                 "Detach emulated USB webcam (%Rrc)", vrc);
101e307bb33304d9dda53a7652510880e8228b13vboxsync    }
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    return hrc;
101e307bb33304d9dda53a7652510880e8228b13vboxsync}
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync/*
101e307bb33304d9dda53a7652510880e8228b13vboxsync * EmulatedUSB implementation.
101e307bb33304d9dda53a7652510880e8228b13vboxsync */
101e307bb33304d9dda53a7652510880e8228b13vboxsyncDEFINE_EMPTY_CTOR_DTOR(EmulatedUSB)
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsyncHRESULT EmulatedUSB::FinalConstruct()
101e307bb33304d9dda53a7652510880e8228b13vboxsync{
101e307bb33304d9dda53a7652510880e8228b13vboxsync    return BaseFinalConstruct();
101e307bb33304d9dda53a7652510880e8228b13vboxsync}
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsyncvoid EmulatedUSB::FinalRelease()
101e307bb33304d9dda53a7652510880e8228b13vboxsync{
101e307bb33304d9dda53a7652510880e8228b13vboxsync    uninit();
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    BaseFinalRelease();
101e307bb33304d9dda53a7652510880e8228b13vboxsync}
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync/*
101e307bb33304d9dda53a7652510880e8228b13vboxsync * Initializes the instance.
101e307bb33304d9dda53a7652510880e8228b13vboxsync *
101e307bb33304d9dda53a7652510880e8228b13vboxsync * @param pConsole   The owner.
101e307bb33304d9dda53a7652510880e8228b13vboxsync */
101e307bb33304d9dda53a7652510880e8228b13vboxsyncHRESULT EmulatedUSB::init(ComObjPtr<Console> pConsole)
101e307bb33304d9dda53a7652510880e8228b13vboxsync{
3aaa225258168480a1464324666cb1fbc2aedb58vboxsync    LogFlowThisFunc(("\n"));
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    ComAssertRet(!pConsole.isNull(), E_INVALIDARG);
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    /* Enclose the state transition NotReady->InInit->Ready */
101e307bb33304d9dda53a7652510880e8228b13vboxsync    AutoInitSpan autoInitSpan(this);
101e307bb33304d9dda53a7652510880e8228b13vboxsync    AssertReturn(autoInitSpan.isOk(), E_FAIL);
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    m.pConsole = pConsole;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    /* Confirm a successful initialization */
101e307bb33304d9dda53a7652510880e8228b13vboxsync    autoInitSpan.setSucceeded();
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    return S_OK;
101e307bb33304d9dda53a7652510880e8228b13vboxsync}
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync/*
101e307bb33304d9dda53a7652510880e8228b13vboxsync * Uninitializes the instance.
101e307bb33304d9dda53a7652510880e8228b13vboxsync * Called either from FinalRelease() or by the parent when it gets destroyed.
101e307bb33304d9dda53a7652510880e8228b13vboxsync */
101e307bb33304d9dda53a7652510880e8228b13vboxsyncvoid EmulatedUSB::uninit()
101e307bb33304d9dda53a7652510880e8228b13vboxsync{
101e307bb33304d9dda53a7652510880e8228b13vboxsync    LogFlowThisFunc(("\n"));
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    m.pConsole.setNull();
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
101e307bb33304d9dda53a7652510880e8228b13vboxsync    WebcamsMap::iterator it = m.webcams.begin();
101e307bb33304d9dda53a7652510880e8228b13vboxsync    while (it != m.webcams.end())
101e307bb33304d9dda53a7652510880e8228b13vboxsync    {
101e307bb33304d9dda53a7652510880e8228b13vboxsync        EUSBWEBCAM *p = it->second;
67a6db19d55bc91c9d010f2e954163dbefc0e139vboxsync        m.webcams.erase(it++);
101e307bb33304d9dda53a7652510880e8228b13vboxsync        p->Release();
101e307bb33304d9dda53a7652510880e8228b13vboxsync    }
101e307bb33304d9dda53a7652510880e8228b13vboxsync    alock.release();
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    /* Enclose the state transition Ready->InUninit->NotReady */
101e307bb33304d9dda53a7652510880e8228b13vboxsync    AutoUninitSpan autoUninitSpan(this);
101e307bb33304d9dda53a7652510880e8228b13vboxsync    if (autoUninitSpan.uninitDone())
101e307bb33304d9dda53a7652510880e8228b13vboxsync        return;
101e307bb33304d9dda53a7652510880e8228b13vboxsync}
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsyncHRESULT EmulatedUSB::getWebcams(std::vector<com::Utf8Str> &aWebcams)
101e307bb33304d9dda53a7652510880e8228b13vboxsync{
101e307bb33304d9dda53a7652510880e8228b13vboxsync    HRESULT hrc = S_OK;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    try
101e307bb33304d9dda53a7652510880e8228b13vboxsync    {
101e307bb33304d9dda53a7652510880e8228b13vboxsync        aWebcams.resize(m.webcams.size());
101e307bb33304d9dda53a7652510880e8228b13vboxsync    }
101e307bb33304d9dda53a7652510880e8228b13vboxsync    catch (std::bad_alloc &)
101e307bb33304d9dda53a7652510880e8228b13vboxsync    {
101e307bb33304d9dda53a7652510880e8228b13vboxsync        hrc = E_OUTOFMEMORY;
101e307bb33304d9dda53a7652510880e8228b13vboxsync    }
101e307bb33304d9dda53a7652510880e8228b13vboxsync    catch (...)
101e307bb33304d9dda53a7652510880e8228b13vboxsync    {
101e307bb33304d9dda53a7652510880e8228b13vboxsync        hrc = E_FAIL;
101e307bb33304d9dda53a7652510880e8228b13vboxsync    }
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    if (SUCCEEDED(hrc))
101e307bb33304d9dda53a7652510880e8228b13vboxsync    {
101e307bb33304d9dda53a7652510880e8228b13vboxsync        size_t i;
101e307bb33304d9dda53a7652510880e8228b13vboxsync        WebcamsMap::const_iterator it;
101e307bb33304d9dda53a7652510880e8228b13vboxsync        for (i = 0, it = m.webcams.begin(); it != m.webcams.end(); ++it)
101e307bb33304d9dda53a7652510880e8228b13vboxsync            aWebcams[i++] = it->first;
101e307bb33304d9dda53a7652510880e8228b13vboxsync    }
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    return hrc;
101e307bb33304d9dda53a7652510880e8228b13vboxsync}
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsyncstatic const Utf8Str s_pathDefault(".0");
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsyncHRESULT EmulatedUSB::webcamAttach(const com::Utf8Str &aPath,
101e307bb33304d9dda53a7652510880e8228b13vboxsync                                  const com::Utf8Str &aSettings)
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsync{
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsync    return webcamAttachInternal(aPath, aSettings, "HostWebcam", NULL);
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsync}
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsync
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsyncHRESULT EmulatedUSB::webcamAttachInternal(const com::Utf8Str &aPath,
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsync                                          const com::Utf8Str &aSettings,
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsync                                          const char *pszDriver,
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsync                                          void *pvObject)
101e307bb33304d9dda53a7652510880e8228b13vboxsync{
101e307bb33304d9dda53a7652510880e8228b13vboxsync    HRESULT hrc = S_OK;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    const Utf8Str &path = aPath.isEmpty() || aPath == "."? s_pathDefault: aPath;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    Console::SafeVMPtr ptrVM(m.pConsole);
101e307bb33304d9dda53a7652510880e8228b13vboxsync    if (ptrVM.isOk())
101e307bb33304d9dda53a7652510880e8228b13vboxsync    {
101e307bb33304d9dda53a7652510880e8228b13vboxsync        EUSBWEBCAM *p = new EUSBWEBCAM();
101e307bb33304d9dda53a7652510880e8228b13vboxsync        if (p)
101e307bb33304d9dda53a7652510880e8228b13vboxsync        {
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsync            hrc = p->Initialize(m.pConsole, this, &path, &aSettings, pvObject);
101e307bb33304d9dda53a7652510880e8228b13vboxsync            if (SUCCEEDED(hrc))
101e307bb33304d9dda53a7652510880e8228b13vboxsync            {
101e307bb33304d9dda53a7652510880e8228b13vboxsync                AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
101e307bb33304d9dda53a7652510880e8228b13vboxsync                WebcamsMap::const_iterator it = m.webcams.find(path);
101e307bb33304d9dda53a7652510880e8228b13vboxsync                if (it == m.webcams.end())
101e307bb33304d9dda53a7652510880e8228b13vboxsync                {
101e307bb33304d9dda53a7652510880e8228b13vboxsync                    p->AddRef();
101e307bb33304d9dda53a7652510880e8228b13vboxsync                    try
101e307bb33304d9dda53a7652510880e8228b13vboxsync                    {
101e307bb33304d9dda53a7652510880e8228b13vboxsync                        m.webcams[path] = p;
101e307bb33304d9dda53a7652510880e8228b13vboxsync                    }
101e307bb33304d9dda53a7652510880e8228b13vboxsync                    catch (std::bad_alloc &)
101e307bb33304d9dda53a7652510880e8228b13vboxsync                    {
101e307bb33304d9dda53a7652510880e8228b13vboxsync                        hrc = E_OUTOFMEMORY;
101e307bb33304d9dda53a7652510880e8228b13vboxsync                    }
101e307bb33304d9dda53a7652510880e8228b13vboxsync                    catch (...)
101e307bb33304d9dda53a7652510880e8228b13vboxsync                    {
101e307bb33304d9dda53a7652510880e8228b13vboxsync                        hrc = E_FAIL;
101e307bb33304d9dda53a7652510880e8228b13vboxsync                    }
101e307bb33304d9dda53a7652510880e8228b13vboxsync                    p->enmStatus = EUSBDEVICE_ATTACHING;
101e307bb33304d9dda53a7652510880e8228b13vboxsync                }
101e307bb33304d9dda53a7652510880e8228b13vboxsync                else
101e307bb33304d9dda53a7652510880e8228b13vboxsync                {
101e307bb33304d9dda53a7652510880e8228b13vboxsync                    hrc = E_FAIL;
101e307bb33304d9dda53a7652510880e8228b13vboxsync                }
101e307bb33304d9dda53a7652510880e8228b13vboxsync            }
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync            if (SUCCEEDED(hrc))
101e307bb33304d9dda53a7652510880e8228b13vboxsync            {
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsync                hrc = p->Attach(m.pConsole, ptrVM.rawUVM(), pszDriver);
101e307bb33304d9dda53a7652510880e8228b13vboxsync            }
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync            AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
101e307bb33304d9dda53a7652510880e8228b13vboxsync            if (SUCCEEDED(hrc))
101e307bb33304d9dda53a7652510880e8228b13vboxsync            {
101e307bb33304d9dda53a7652510880e8228b13vboxsync                p->enmStatus = EUSBDEVICE_ATTACHED;
101e307bb33304d9dda53a7652510880e8228b13vboxsync            }
101e307bb33304d9dda53a7652510880e8228b13vboxsync            else
101e307bb33304d9dda53a7652510880e8228b13vboxsync            {
101e307bb33304d9dda53a7652510880e8228b13vboxsync                if (p->enmStatus != EUSBDEVICE_CREATED)
101e307bb33304d9dda53a7652510880e8228b13vboxsync                {
101e307bb33304d9dda53a7652510880e8228b13vboxsync                    m.webcams.erase(path);
101e307bb33304d9dda53a7652510880e8228b13vboxsync                }
101e307bb33304d9dda53a7652510880e8228b13vboxsync            }
101e307bb33304d9dda53a7652510880e8228b13vboxsync            alock.release();
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync            p->Release();
101e307bb33304d9dda53a7652510880e8228b13vboxsync        }
101e307bb33304d9dda53a7652510880e8228b13vboxsync        else
101e307bb33304d9dda53a7652510880e8228b13vboxsync        {
101e307bb33304d9dda53a7652510880e8228b13vboxsync            hrc = E_OUTOFMEMORY;
101e307bb33304d9dda53a7652510880e8228b13vboxsync        }
101e307bb33304d9dda53a7652510880e8228b13vboxsync    }
101e307bb33304d9dda53a7652510880e8228b13vboxsync    else
101e307bb33304d9dda53a7652510880e8228b13vboxsync    {
101e307bb33304d9dda53a7652510880e8228b13vboxsync        hrc = VBOX_E_INVALID_VM_STATE;
101e307bb33304d9dda53a7652510880e8228b13vboxsync    }
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    return hrc;
101e307bb33304d9dda53a7652510880e8228b13vboxsync}
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsyncHRESULT EmulatedUSB::webcamDetach(const com::Utf8Str &aPath)
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsync{
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsync    return webcamDetachInternal(aPath);
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsync}
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsync
3c8ad0020c82e3ff4f3daad0d8cf2ef39085cbcavboxsyncHRESULT EmulatedUSB::webcamDetachInternal(const com::Utf8Str &aPath)
101e307bb33304d9dda53a7652510880e8228b13vboxsync{
101e307bb33304d9dda53a7652510880e8228b13vboxsync    HRESULT hrc = S_OK;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    const Utf8Str &path = aPath.isEmpty() || aPath == "."? s_pathDefault: aPath;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    Console::SafeVMPtr ptrVM(m.pConsole);
101e307bb33304d9dda53a7652510880e8228b13vboxsync    if (ptrVM.isOk())
101e307bb33304d9dda53a7652510880e8228b13vboxsync    {
101e307bb33304d9dda53a7652510880e8228b13vboxsync        EUSBWEBCAM *p = NULL;
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync        AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
101e307bb33304d9dda53a7652510880e8228b13vboxsync        WebcamsMap::iterator it = m.webcams.find(path);
101e307bb33304d9dda53a7652510880e8228b13vboxsync        if (it != m.webcams.end())
101e307bb33304d9dda53a7652510880e8228b13vboxsync        {
101e307bb33304d9dda53a7652510880e8228b13vboxsync            if (it->second->enmStatus == EUSBDEVICE_ATTACHED)
101e307bb33304d9dda53a7652510880e8228b13vboxsync            {
101e307bb33304d9dda53a7652510880e8228b13vboxsync                p = it->second;
101e307bb33304d9dda53a7652510880e8228b13vboxsync                m.webcams.erase(it);
101e307bb33304d9dda53a7652510880e8228b13vboxsync            }
101e307bb33304d9dda53a7652510880e8228b13vboxsync        }
101e307bb33304d9dda53a7652510880e8228b13vboxsync        alock.release();
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync        if (p)
101e307bb33304d9dda53a7652510880e8228b13vboxsync        {
101e307bb33304d9dda53a7652510880e8228b13vboxsync            hrc = p->Detach(m.pConsole, ptrVM.rawUVM());
101e307bb33304d9dda53a7652510880e8228b13vboxsync            p->Release();
101e307bb33304d9dda53a7652510880e8228b13vboxsync        }
67a6db19d55bc91c9d010f2e954163dbefc0e139vboxsync        else
67a6db19d55bc91c9d010f2e954163dbefc0e139vboxsync        {
67a6db19d55bc91c9d010f2e954163dbefc0e139vboxsync            hrc = E_INVALIDARG;
67a6db19d55bc91c9d010f2e954163dbefc0e139vboxsync        }
101e307bb33304d9dda53a7652510880e8228b13vboxsync    }
101e307bb33304d9dda53a7652510880e8228b13vboxsync    else
101e307bb33304d9dda53a7652510880e8228b13vboxsync    {
101e307bb33304d9dda53a7652510880e8228b13vboxsync        hrc = VBOX_E_INVALID_VM_STATE;
101e307bb33304d9dda53a7652510880e8228b13vboxsync    }
101e307bb33304d9dda53a7652510880e8228b13vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync    return hrc;
101e307bb33304d9dda53a7652510880e8228b13vboxsync}
101e307bb33304d9dda53a7652510880e8228b13vboxsync
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync/* static */ DECLCALLBACK(int) EmulatedUSB::eusbCallbackEMT(EmulatedUSB *pThis, char *pszId, uint32_t iEvent,
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync                                                            void *pvData, uint32_t cbData)
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync{
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    LogRelFlowFunc(("id %s event %d, data %p %d\n", pszId, iEvent, pvData, cbData));
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    NOREF(cbData);
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    int rc = VINF_SUCCESS;
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    if (iEvent == 0)
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    {
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        com::Utf8Str path;
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        HRESULT hr = pThis->webcamPathFromId(&path, pszId);
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        if (SUCCEEDED(hr))
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        {
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync            hr = pThis->webcamDetach(path);
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync            if (FAILED(hr))
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync            {
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync                rc = VERR_INVALID_STATE;
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync            }
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        }
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        else
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        {
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync            rc = VERR_NOT_FOUND;
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        }
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    }
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    else
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    {
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        rc = VERR_INVALID_PARAMETER;
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    }
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    RTMemFree(pszId);
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    RTMemFree(pvData);
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    LogRelFlowFunc(("rc %Rrc\n", rc));
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    return rc;
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync}
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync/* static */ DECLCALLBACK(int) EmulatedUSB::eusbCallback(void *pv, const char *pszId, uint32_t iEvent,
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync                                                         const void *pvData, uint32_t cbData)
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync{
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    /* Make a copy of parameters, forward to EMT and leave the callback to not hold any lock in the device. */
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    int rc = VINF_SUCCESS;
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    void *pvIdCopy = NULL;
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    void *pvDataCopy = NULL;
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    if (cbData > 0)
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    {
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync       pvDataCopy = RTMemDup(pvData, cbData);
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync       if (!pvDataCopy)
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync       {
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync           rc = VERR_NO_MEMORY;
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync       }
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    }
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    if (RT_SUCCESS(rc))
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    {
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        pvIdCopy = RTMemDup(pszId, strlen(pszId) + 1);
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        if (!pvIdCopy)
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        {
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync            rc = VERR_NO_MEMORY;
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        }
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    }
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    if (RT_SUCCESS(rc))
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    {
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        EmulatedUSB *pThis = (EmulatedUSB *)pv;
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        Console::SafeVMPtr ptrVM(pThis->m.pConsole);
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        if (ptrVM.isOk())
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        {
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync            /* No wait. */
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync            rc = VMR3ReqCallNoWaitU(ptrVM.rawUVM(), 0 /* idDstCpu */,
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync                                    (PFNRT)EmulatedUSB::eusbCallbackEMT, 5,
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync                                    pThis, pvIdCopy, iEvent, pvDataCopy, cbData);
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        }
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        else
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        {
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync            rc = VERR_INVALID_STATE;
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        }
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    }
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    if (RT_FAILURE(rc))
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    {
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        RTMemFree(pvIdCopy);
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        RTMemFree(pvDataCopy);
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    }
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    return rc;
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync}
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsyncHRESULT EmulatedUSB::webcamPathFromId(com::Utf8Str *pPath, const char *pszId)
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync{
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    HRESULT hr = S_OK;
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    Console::SafeVMPtr ptrVM(m.pConsole);
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    if (ptrVM.isOk())
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    {
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        WebcamsMap::const_iterator it;
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        for (it = m.webcams.begin(); it != m.webcams.end(); ++it)
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        {
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync            EUSBWEBCAM *p = it->second;
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync            if (p->HasId(pszId))
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync            {
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync                *pPath = it->first;
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync                break;
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync            }
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        }
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        if (it == m.webcams.end())
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        {
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync            hr = E_FAIL;
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        }
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        alock.release();
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    }
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    else
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    {
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync        hr = VBOX_E_INVALID_VM_STATE;
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    }
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync    return hr;
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync}
9e06f22a5a8961cd7a7da569d683097b17f04dd1vboxsync
101e307bb33304d9dda53a7652510880e8228b13vboxsync/* vi: set tabstop=4 shiftwidth=4 expandtab: */