/* $Id: NetworkAdapterImpl.cpp 76592 2019-01-01 20:13:07Z vboxsync $ */ /** @file * Implementation of INetworkAdapter in VBoxSVC. */ /* * Copyright (C) 2006-2019 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; * you can redistribute it and/or modify it under the terms of the GNU * General Public License (GPL) as published by the Free Software * Foundation, in version 2 as it comes in the "COPYING" file of the * VirtualBox OSE distribution. VirtualBox OSE is distributed in the * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. */ #define LOG_GROUP LOG_GROUP_MAIN_NETWORKADAPTER #include "NetworkAdapterImpl.h" #include "NATEngineImpl.h" #include "AutoCaller.h" #include "LoggingNew.h" #include "MachineImpl.h" #include "GuestOSTypeImpl.h" #include "HostImpl.h" #include "SystemPropertiesImpl.h" #include "VirtualBoxImpl.h" #include #include #include #include #include #include "AutoStateDep.h" // constructor / destructor //////////////////////////////////////////////////////////////////////////////// NetworkAdapter::NetworkAdapter() : mParent(NULL) { } NetworkAdapter::~NetworkAdapter() { } HRESULT NetworkAdapter::FinalConstruct() { return BaseFinalConstruct(); } void NetworkAdapter::FinalRelease() { uninit(); BaseFinalRelease(); } // public initializer/uninitializer for internal purposes only //////////////////////////////////////////////////////////////////////////////// /** * Initializes the network adapter object. * * @param aParent Handle of the parent object. * @param uSlot Slot number this network adapter is plugged into. */ HRESULT NetworkAdapter::init(Machine *aParent, ULONG uSlot) { LogFlowThisFunc(("aParent=%p, uSlot=%d\n", aParent, uSlot)); ComAssertRet(aParent, E_INVALIDARG); uint32_t maxNetworkAdapters = Global::getMaxNetworkAdapters(aParent->i_getChipsetType()); ComAssertRet(uSlot < maxNetworkAdapters, E_INVALIDARG); /* Enclose the state transition NotReady->InInit->Ready */ AutoInitSpan autoInitSpan(this); AssertReturn(autoInitSpan.isOk(), E_FAIL); unconst(mParent) = aParent; unconst(mNATEngine).createObject(); mNATEngine->init(aParent, this); /* mPeer is left null */ mData.allocate(); /* initialize data */ mData->ulSlot = uSlot; /* default to Am79C973 */ mData->type = NetworkAdapterType_Am79C973; /* Confirm a successful initialization */ autoInitSpan.setSucceeded(); return S_OK; } /** * Initializes the network adapter object given another network adapter object * (a kind of copy constructor). This object shares data with * the object passed as an argument. * * @param aParent Parent object. * @param aThat * @param aReshare * When false, the original object will remain a data owner. * Otherwise, data ownership will be transferred from the original * object to this one. * * @note This object must be destroyed before the original object * it shares data with is destroyed. * * @note Locks @a aThat object for reading. */ HRESULT NetworkAdapter::init(Machine *aParent, NetworkAdapter *aThat, bool aReshare /* = false */) { LogFlowThisFunc(("aParent=%p, aThat=%p, aReshare=%RTbool\n", aParent, aThat, aReshare)); ComAssertRet(aParent && aThat, E_INVALIDARG); /* Enclose the state transition NotReady->InInit->Ready */ AutoInitSpan autoInitSpan(this); AssertReturn(autoInitSpan.isOk(), E_FAIL); unconst(mParent) = aParent; /* mPeer is left null */ unconst(mNATEngine).createObject(); mNATEngine->init(aParent, this, aThat->mNATEngine); /* sanity */ AutoCaller thatCaller(aThat); AssertComRCReturnRC(thatCaller.rc()); if (aReshare) { AutoWriteLock thatLock(aThat COMMA_LOCKVAL_SRC_POS); unconst(aThat->mPeer) = this; mData.attach(aThat->mData); } else { unconst(mPeer) = aThat; AutoReadLock thatLock(aThat COMMA_LOCKVAL_SRC_POS); mData.share(aThat->mData); } /* Confirm a successful initialization */ autoInitSpan.setSucceeded(); return S_OK; } /** * Initializes the guest object given another guest object * (a kind of copy constructor). This object makes a private copy of data * of the original object passed as an argument. * * @note Locks @a aThat object for reading. */ HRESULT NetworkAdapter::initCopy(Machine *aParent, NetworkAdapter *aThat) { LogFlowThisFunc(("aParent=%p, aThat=%p\n", aParent, aThat)); ComAssertRet(aParent && aThat, E_INVALIDARG); /* Enclose the state transition NotReady->InInit->Ready */ AutoInitSpan autoInitSpan(this); AssertReturn(autoInitSpan.isOk(), E_FAIL); unconst(mParent) = aParent; /* mPeer is left null */ unconst(mNATEngine).createObject(); mNATEngine->initCopy(aParent, this, aThat->mNATEngine); /* sanity */ AutoCaller thatCaller(aThat); AssertComRCReturnRC(thatCaller.rc()); AutoReadLock thatLock(aThat COMMA_LOCKVAL_SRC_POS); mData.attachCopy(aThat->mData); /* Confirm a successful initialization */ autoInitSpan.setSucceeded(); return S_OK; } /** * Uninitializes the instance and sets the ready flag to FALSE. * Called either from FinalRelease() or by the parent when it gets destroyed. */ void NetworkAdapter::uninit() { LogFlowThisFunc(("\n")); /* Enclose the state transition Ready->InUninit->NotReady */ AutoUninitSpan autoUninitSpan(this); if (autoUninitSpan.uninitDone()) return; mData.free(); unconst(mNATEngine).setNull(); unconst(mPeer) = NULL; unconst(mParent) = NULL; } // wrapped INetworkAdapter properties //////////////////////////////////////////////////////////////////////////////// HRESULT NetworkAdapter::getAdapterType(NetworkAdapterType_T *aAdapterType) { AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS); *aAdapterType = mData->type; return S_OK; } HRESULT NetworkAdapter::setAdapterType(NetworkAdapterType_T aAdapterType) { /* the machine needs to be mutable */ AutoMutableStateDependency adep(mParent); if (FAILED(adep.rc())) return adep.rc(); AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS); /* make sure the value is allowed */ switch (aAdapterType) { case NetworkAdapterType_Am79C970A: case NetworkAdapterType_Am79C973: #ifdef VBOX_WITH_E1000 case NetworkAdapterType_I82540EM: case NetworkAdapterType_I82543GC: case NetworkAdapterType_I82545EM: #endif #ifdef VBOX_WITH_VIRTIO case NetworkAdapterType_Virtio: #endif /* VBOX_WITH_VIRTIO */ break; default: return setError(E_FAIL, tr("Invalid network adapter type '%d'"), aAdapterType); } if (mData->type != aAdapterType) { mData.backup(); mData->type = aAdapterType; // leave the lock before informing callbacks alock.release(); AutoWriteLock mlock(mParent COMMA_LOCKVAL_SRC_POS); // mParent is const, no need to lock mParent->i_setModified(Machine::IsModified_NetworkAdapters); mlock.release(); /* Changing the network adapter type during runtime is not allowed, * therefore no immediate change in CFGM logic => changeAdapter=FALSE. */ mParent->i_onNetworkAdapterChange(this, FALSE); } return S_OK; } HRESULT NetworkAdapter::getSlot(ULONG *uSlot) { AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS); *uSlot = mData->ulSlot; return S_OK; } HRESULT NetworkAdapter::getEnabled(BOOL *aEnabled) { AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS); *aEnabled = mData->fEnabled; return S_OK; } HRESULT NetworkAdapter::setEnabled(BOOL aEnabled) { /* the machine needs to be mutable */ AutoMutableStateDependency adep(mParent); if (FAILED(adep.rc())) return adep.rc(); AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS); if (mData->fEnabled != RT_BOOL(aEnabled)) { mData.backup(); mData->fEnabled = RT_BOOL(aEnabled); if (RT_BOOL(aEnabled) && mData->strMACAddress.isEmpty()) i_generateMACAddress(); // leave the lock before informing callbacks alock.release(); AutoWriteLock mlock(mParent COMMA_LOCKVAL_SRC_POS); // mParent is const, no need to lock mParent->i_setModified(Machine::IsModified_NetworkAdapters); mlock.release(); /* Disabling the network adapter during runtime is not allowed * therefore no immediate change in CFGM logic => changeAdapter=FALSE. */ mParent->i_onNetworkAdapterChange(this, FALSE); } return S_OK; } HRESULT NetworkAdapter::getMACAddress(com::Utf8Str &aMACAddress) { AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS); ComAssertRet(!mData->fEnabled || !mData->strMACAddress.isEmpty(), E_FAIL); aMACAddress = mData->strMACAddress; return S_OK; } HRESULT NetworkAdapter::i_updateMacAddress(Utf8Str aMACAddress) { HRESULT rc = S_OK; /* * Are we supposed to generate a MAC? */ if (mData->fEnabled && aMACAddress.isEmpty()) i_generateMACAddress(); else { if (mData->strMACAddress != aMACAddress) { if (mData->fEnabled || !aMACAddress.isEmpty()) { /* * Verify given MAC address */ char *macAddressStr = aMACAddress.mutableRaw(); int i = 0; while ((i < 13) && macAddressStr && *macAddressStr && (rc == S_OK)) { char c = *macAddressStr; /* canonicalize hex digits to capital letters */ if (c >= 'a' && c <= 'f') { c = (char)RTLocCToUpper(c); *macAddressStr = c; } /* we only accept capital letters */ if ( (c < '0' || c > '9') && (c < 'A' || c > 'F')) rc = setError(E_INVALIDARG, tr("Invalid MAC address format")); /* the second digit must have even value for unicast addresses */ if ( (i == 1) && (!!(c & 1) == (c >= '0' && c <= '9'))) rc = setError(E_INVALIDARG, tr("Invalid MAC address format")); macAddressStr++; i++; } /* we must have parsed exactly 12 characters */ if (i != 12) rc = setError(E_INVALIDARG, tr("Invalid MAC address format")); } if (SUCCEEDED(rc)) mData->strMACAddress = aMACAddress; } } return rc; } HRESULT NetworkAdapter::setMACAddress(const com::Utf8Str &aMACAddress) { /* the machine needs to be mutable */ AutoMutableStateDependency adep(mParent); if (FAILED(adep.rc())) return adep.rc(); AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS); mData.backup(); HRESULT rc = i_updateMacAddress(aMACAddress); if (SUCCEEDED(rc)) { // leave the lock before informing callbacks alock.release(); AutoWriteLock mlock(mParent COMMA_LOCKVAL_SRC_POS); // mParent is const, no need to lock mParent->i_setModified(Machine::IsModified_NetworkAdapters); mlock.release(); /* Changing the MAC via the Main API during runtime is not allowed, * therefore no immediate change in CFGM logic => changeAdapter=FALSE. */ mParent->i_onNetworkAdapterChange(this, FALSE); } return rc; } HRESULT NetworkAdapter::getAttachmentType(NetworkAttachmentType_T *aAttachmentType) { AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS); *aAttachmentType = mData->mode; return S_OK; } HRESULT NetworkAdapter::setAttachmentType(NetworkAttachmentType_T aAttachmentType) { /* the machine needs to be mutable */ AutoMutableOrSavedOrRunningStateDependency adep(mParent); if (FAILED(adep.rc())) return adep.rc(); AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS); if (mData->mode != aAttachmentType) { mData.backup(); /* there must an internal network name */ if (mData->strInternalNetworkName.isEmpty()) { Log(("Internal network name not defined, setting to default \"intnet\"\n")); mData->strInternalNetworkName = "intnet"; } /* there must a NAT network name */ if (mData->strNATNetworkName.isEmpty()) { Log(("NAT network name not defined, setting to default \"NatNetwork\"\n")); mData->strNATNetworkName = "NatNetwork"; } NetworkAttachmentType_T oldAttachmentType = mData->mode; mData->mode = aAttachmentType; // leave the lock before informing callbacks alock.release(); AutoWriteLock mlock(mParent COMMA_LOCKVAL_SRC_POS); // mParent is const, no need to lock mParent->i_setModified(Machine::IsModified_NetworkAdapters); mlock.release(); if (oldAttachmentType == NetworkAttachmentType_NATNetwork) i_switchFromNatNetworking(mData->strNATNetworkName); if (aAttachmentType == NetworkAttachmentType_NATNetwork) i_switchToNatNetworking(mData->strNATNetworkName); /* Adapt the CFGM logic and notify the guest => changeAdapter=TRUE. */ mParent->i_onNetworkAdapterChange(this, TRUE); } return S_OK; } HRESULT NetworkAdapter::getBridgedInterface(com::Utf8Str &aBridgedInterface) { AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS); aBridgedInterface = mData->strBridgedName; return S_OK; } HRESULT NetworkAdapter::setBridgedInterface(const com::Utf8Str &aBridgedInterface) { /* the machine needs to be mutable */ AutoMutableOrSavedOrRunningStateDependency adep(mParent); if (FAILED(adep.rc())) return adep.rc(); Bstr canonicalName = aBridgedInterface; #ifdef RT_OS_DARWIN com::SafeIfaceArray hostNetworkInterfaces; ComPtr host; HRESULT rc = mParent->i_getVirtualBox()->COMGETTER(Host)(host.asOutParam()); if (SUCCEEDED(rc)) { host->FindHostNetworkInterfacesOfType(HostNetworkInterfaceType_Bridged, ComSafeArrayAsOutParam(hostNetworkInterfaces)); for (size_t i = 0; i < hostNetworkInterfaces.size(); ++i) { Bstr shortName; ComPtr ni = hostNetworkInterfaces[i]; ni->COMGETTER(ShortName)(shortName.asOutParam()); if (shortName == aBridgedInterface) { ni->COMGETTER(Name)(canonicalName.asOutParam()); break; } } } #endif /* RT_OS_DARWIN */ AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS); if (Bstr(mData->strBridgedName) != canonicalName) { /* if an empty/null string is to be set, bridged interface must be * turned off */ if ( canonicalName.isEmpty() && mData->fEnabled && mData->mode == NetworkAttachmentType_Bridged) { return setError(E_FAIL, tr("Empty or null bridged interface name is not valid")); } mData.backup(); mData->strBridgedName = canonicalName; // leave the lock before informing callbacks alock.release(); AutoWriteLock mlock(mParent COMMA_LOCKVAL_SRC_POS); // mParent is const, no need to lock mParent->i_setModified(Machine::IsModified_NetworkAdapters); mlock.release(); /* When changing the host adapter, adapt the CFGM logic to make this * change immediately effect and to notify the guest that the network * might have changed, therefore changeAdapter=TRUE. */ mParent->i_onNetworkAdapterChange(this, TRUE); } return S_OK; } HRESULT NetworkAdapter::getHostOnlyInterface(com::Utf8Str &aHostOnlyInterface) { AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS); aHostOnlyInterface = mData->strHostOnlyName; return S_OK; } HRESULT NetworkAdapter::setHostOnlyInterface(const com::Utf8Str &aHostOnlyInterface) { /* the machine needs to be mutable */ AutoMutableOrSavedOrRunningStateDependency adep(mParent); if (FAILED(adep.rc())) return adep.rc(); AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS); if (mData->strHostOnlyName != aHostOnlyInterface) { /* if an empty/null string is to be set, host only interface must be * turned off */ if ( aHostOnlyInterface.isEmpty() && mData->fEnabled && mData->mode == NetworkAttachmentType_HostOnly) { return setError(E_FAIL, tr("Empty or null host only interface name is not valid")); } mData.backup(); mData->strHostOnlyName = aHostOnlyInterface; // leave the lock before informing callbacks alock.release(); AutoWriteLock mlock(mParent COMMA_LOCKVAL_SRC_POS); // mParent is const, no need to lock mParent->i_setModified(Machine::IsModified_NetworkAdapters); mlock.release(); /* When changing the host adapter, adapt the CFGM logic to make this * change immediately effect and to notify the guest that the network * might have changed, therefore changeAdapter=TRUE. */ mParent->i_onNetworkAdapterChange(this, TRUE); } return S_OK; } HRESULT NetworkAdapter::getInternalNetwork(com::Utf8Str &aInternalNetwork) { AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS); aInternalNetwork = mData->strInternalNetworkName; return S_OK; } HRESULT NetworkAdapter::setInternalNetwork(const com::Utf8Str &aInternalNetwork) { /* the machine needs to be mutable */ AutoMutableOrSavedOrRunningStateDependency adep(mParent); if (FAILED(adep.rc())) return adep.rc(); AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS); if (mData->strInternalNetworkName != aInternalNetwork) { /* if an empty/null string is to be set, internal networking must be * turned off */ if ( aInternalNetwork.isEmpty() && mData->fEnabled && mData->mode == NetworkAttachmentType_Internal) { return setError(E_FAIL, tr("Empty or null internal network name is not valid")); } mData.backup(); mData->strInternalNetworkName = aInternalNetwork; // leave the lock before informing callbacks alock.release(); AutoWriteLock mlock(mParent COMMA_LOCKVAL_SRC_POS); // mParent is const, no need to lock mParent->i_setModified(Machine::IsModified_NetworkAdapters); mlock.release(); /* When changing the internal network, adapt the CFGM logic to make this * change immediately effect and to notify the guest that the network * might have changed, therefore changeAdapter=TRUE. */ mParent->i_onNetworkAdapterChange(this, TRUE); } return S_OK; } HRESULT NetworkAdapter::getNATNetwork(com::Utf8Str &aNATNetwork) { AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS); aNATNetwork = mData->strNATNetworkName; return S_OK; } HRESULT NetworkAdapter::setNATNetwork(const com::Utf8Str &aNATNetwork) { /* the machine needs to be mutable */ AutoMutableOrSavedOrRunningStateDependency adep(mParent); if (FAILED(adep.rc())) return adep.rc(); AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS); if (mData->strNATNetworkName != aNATNetwork) { /* if an empty/null string is to be set, host only interface must be * turned off */ if ( aNATNetwork.isEmpty() && mData->fEnabled && mData->mode == NetworkAttachmentType_NATNetwork) return setError(E_FAIL, tr("Empty or null NAT network name is not valid")); mData.backup(); Bstr oldNatNetworkName = mData->strNATNetworkName; mData->strNATNetworkName = aNATNetwork; // leave the lock before informing callbacks alock.release(); AutoWriteLock mlock(mParent COMMA_LOCKVAL_SRC_POS); // mParent is const, no need to lock mParent->i_setModified(Machine::IsModified_NetworkAdapters); mlock.release(); if (mData->mode == NetworkAttachmentType_NATNetwork) { i_switchFromNatNetworking(oldNatNetworkName.raw()); i_switchToNatNetworking(aNATNetwork); } /* When changing the host adapter, adapt the CFGM logic to make this * change immediately effect and to notify the guest that the network * might have changed, therefore changeAdapter=TRUE. */ mParent->i_onNetworkAdapterChange(this, TRUE); } return S_OK; } HRESULT NetworkAdapter::getGenericDriver(com::Utf8Str &aGenericDriver) { AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS); aGenericDriver = mData->strGenericDriver; return S_OK; } HRESULT NetworkAdapter::setGenericDriver(const com::Utf8Str &aGenericDriver) { /* the machine needs to be mutable */ AutoMutableOrSavedOrRunningStateDependency adep(mParent); if (FAILED(adep.rc())) return adep.rc(); AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS); if (mData->strGenericDriver != aGenericDriver) { mData.backup(); mData->strGenericDriver = aGenericDriver; /* leave the lock before informing callbacks */ alock.release(); mParent->i_onNetworkAdapterChange(this, FALSE); } return S_OK; } HRESULT NetworkAdapter::getCableConnected(BOOL *aConnected) { AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS); *aConnected = mData->fCableConnected; return S_OK; } HRESULT NetworkAdapter::setCableConnected(BOOL aConnected) { /* the machine needs to be mutable */ AutoMutableOrSavedOrRunningStateDependency adep(mParent); if (FAILED(adep.rc())) return adep.rc(); AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS); if (RT_BOOL(aConnected) != mData->fCableConnected) { mData.backup(); mData->fCableConnected = RT_BOOL(aConnected); // leave the lock before informing callbacks alock.release(); AutoWriteLock mlock(mParent COMMA_LOCKVAL_SRC_POS); // mParent is const, no need to lock mParent->i_setModified(Machine::IsModified_NetworkAdapters); mlock.release(); /* No change in CFGM logic => changeAdapter=FALSE. */ mParent->i_onNetworkAdapterChange(this, FALSE); } return S_OK; } HRESULT NetworkAdapter::getLineSpeed(ULONG *aSpeed) { AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS); *aSpeed = mData->ulLineSpeed; return S_OK; } HRESULT NetworkAdapter::setLineSpeed(ULONG aSpeed) { /* the machine needs to be mutable */ AutoMutableStateDependency adep(mParent); if (FAILED(adep.rc())) return adep.rc(); AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS); if (aSpeed != mData->ulLineSpeed) { mData.backup(); mData->ulLineSpeed = aSpeed; // leave the lock before informing callbacks alock.release(); AutoWriteLock mlock(mParent COMMA_LOCKVAL_SRC_POS); // mParent is const, no need to lock mParent->i_setModified(Machine::IsModified_NetworkAdapters); mlock.release(); /* No change in CFGM logic => changeAdapter=FALSE. */ mParent->i_onNetworkAdapterChange(this, FALSE); } return S_OK; } HRESULT NetworkAdapter::getPromiscModePolicy(NetworkAdapterPromiscModePolicy_T *aPromiscModePolicy) { AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS); *aPromiscModePolicy = mData->enmPromiscModePolicy; return S_OK; } HRESULT NetworkAdapter::setPromiscModePolicy(NetworkAdapterPromiscModePolicy_T aPromiscModePolicy) { /* the machine needs to be mutable */ AutoMutableOrSavedOrRunningStateDependency adep(mParent); if (FAILED(adep.rc())) return adep.rc(); switch (aPromiscModePolicy) { case NetworkAdapterPromiscModePolicy_Deny: case NetworkAdapterPromiscModePolicy_AllowNetwork: case NetworkAdapterPromiscModePolicy_AllowAll: break; default: return setError(E_INVALIDARG, tr("Invalid promiscuous mode policy (%d)"), aPromiscModePolicy); } AutoCaller autoCaller(this); HRESULT hrc = autoCaller.rc(); if (SUCCEEDED(hrc)) { AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS); if (aPromiscModePolicy != mData->enmPromiscModePolicy) { mData.backup(); mData->enmPromiscModePolicy = aPromiscModePolicy; alock.release(); mParent->i_setModifiedLock(Machine::IsModified_NetworkAdapters); mParent->i_onNetworkAdapterChange(this, TRUE); } } return hrc; } HRESULT NetworkAdapter::getTraceEnabled(BOOL *aEnabled) { AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS); *aEnabled = mData->fTraceEnabled; return S_OK; } HRESULT NetworkAdapter::setTraceEnabled(BOOL aEnabled) { /* the machine needs to be mutable */ AutoMutableOrSavedOrRunningStateDependency adep(mParent); if (FAILED(adep.rc())) return adep.rc(); AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS); if (RT_BOOL(aEnabled) != mData->fTraceEnabled) { mData.backup(); mData->fTraceEnabled = RT_BOOL(aEnabled); // leave the lock before informing callbacks alock.release(); AutoWriteLock mlock(mParent COMMA_LOCKVAL_SRC_POS); // mParent is const, no need to lock mParent->i_setModified(Machine::IsModified_NetworkAdapters); mlock.release(); /* Adapt the CFGM logic changeAdapter=TRUE */ mParent->i_onNetworkAdapterChange(this, TRUE); } return S_OK; } HRESULT NetworkAdapter::getTraceFile(com::Utf8Str &aTraceFile) { AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS); aTraceFile = mData->strTraceFile; return S_OK; } HRESULT NetworkAdapter::setTraceFile(const com::Utf8Str &aTraceFile) { /* the machine needs to be mutable */ AutoMutableOrSavedOrRunningStateDependency adep(mParent); if (FAILED(adep.rc())) return adep.rc(); AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS); if (mData->strTraceFile != aTraceFile) { mData.backup(); mData->strTraceFile = aTraceFile; // leave the lock before informing callbacks alock.release(); AutoWriteLock mlock(mParent COMMA_LOCKVAL_SRC_POS); // mParent is const, no need to lock mParent->i_setModified(Machine::IsModified_NetworkAdapters); mlock.release(); /* We change the 'File' => changeAdapter=TRUE. */ mParent->i_onNetworkAdapterChange(this, TRUE); } return S_OK; } HRESULT NetworkAdapter::getNATEngine(ComPtr &aNATEngine) { AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS); aNATEngine = mNATEngine; return S_OK; } HRESULT NetworkAdapter::getBootPriority(ULONG *aBootPriority) { AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS); *aBootPriority = mData->ulBootPriority; return S_OK; } HRESULT NetworkAdapter::setBootPriority(ULONG aBootPriority) { /* the machine needs to be mutable */ AutoMutableStateDependency adep(mParent); if (FAILED(adep.rc())) return adep.rc(); AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS); if (aBootPriority != mData->ulBootPriority) { mData.backup(); mData->ulBootPriority = aBootPriority; // leave the lock before informing callbacks alock.release(); AutoWriteLock mlock(mParent COMMA_LOCKVAL_SRC_POS); // mParent is const, no need to lock mParent->i_setModified(Machine::IsModified_NetworkAdapters); mlock.release(); /* No change in CFGM logic => changeAdapter=FALSE. */ mParent->i_onNetworkAdapterChange(this, FALSE); } return S_OK; } // wrapped INetworkAdapter methods //////////////////////////////////////////////////////////////////////////////// HRESULT NetworkAdapter::getProperty(const com::Utf8Str &aKey, com::Utf8Str &aValue) { AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS); aValue = ""; settings::StringsMap::const_iterator it = mData->genericProperties.find(aKey); if (it != mData->genericProperties.end()) aValue = it->second; // source is a Utf8Str return S_OK; } HRESULT NetworkAdapter::setProperty(const com::Utf8Str &aKey, const com::Utf8Str &aValue) { LogFlowThisFunc(("\n")); /* The machine needs to be mutable. */ AutoMutableOrSavedOrRunningStateDependency adep(mParent); if (FAILED(adep.rc())) return adep.rc(); AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS); bool fGenericChange = (mData->mode == NetworkAttachmentType_Generic); /* Generic properties processing. * Look up the old value first; if nothing's changed then do nothing. */ Utf8Str strOldValue; settings::StringsMap::const_iterator it = mData->genericProperties.find(aKey); if (it != mData->genericProperties.end()) strOldValue = it->second; if (strOldValue != aValue) { if (aValue.isEmpty()) mData->genericProperties.erase(aKey); else mData->genericProperties[aKey] = aValue; /* leave the lock before informing callbacks */ alock.release(); AutoWriteLock mlock(mParent COMMA_LOCKVAL_SRC_POS); mParent->i_setModified(Machine::IsModified_NetworkAdapters); mlock.release(); /* Avoid deadlock when the event triggers a call to a method of this * interface. */ adep.release(); mParent->i_onNetworkAdapterChange(this, fGenericChange); } return S_OK; } HRESULT NetworkAdapter::getProperties(const com::Utf8Str &aNames, std::vector &aReturnNames, std::vector &aReturnValues) { AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS); /// @todo make use of aNames according to the documentation NOREF(aNames); aReturnNames.resize(mData->genericProperties.size()); aReturnValues.resize(mData->genericProperties.size()); size_t i = 0; for (settings::StringsMap::const_iterator it = mData->genericProperties.begin(); it != mData->genericProperties.end(); ++it, ++i) { aReturnNames[i] = it->first; aReturnValues[i] = it->second; } return S_OK; } // public methods only for internal purposes //////////////////////////////////////////////////////////////////////////////// /** * Loads settings from the given adapter node. * May be called once right after this object creation. * * @param bwctl bandwidth control object. * @param data Configuration settings. * * @note Locks this object for writing. */ HRESULT NetworkAdapter::i_loadSettings(BandwidthControl *bwctl, const settings::NetworkAdapter &data) { AutoCaller autoCaller(this); AssertComRCReturnRC(autoCaller.rc()); AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS); /* Note: we assume that the default values for attributes of optional * nodes are assigned in the Data::Data() constructor and don't do it * here. It implies that this method may only be called after constructing * a new BIOSSettings object while all its data fields are in the default * values. Exceptions are fields whose creation time defaults don't match * values that should be applied when these fields are not explicitly set * in the settings file (for backwards compatibility reasons). This takes * place when a setting of a newly created object must default to A while * the same setting of an object loaded from the old settings file must * default to B. */ HRESULT rc = S_OK; /* MAC address (can be null) */ rc = i_updateMacAddress(data.strMACAddress); if (FAILED(rc)) return rc; mData.assignCopy(&data); if (mData->strBandwidthGroup.isNotEmpty()) { ComObjPtr group; rc = bwctl->i_getBandwidthGroupByName(data.strBandwidthGroup, group, true); if (FAILED(rc)) return rc; group->i_reference(); } // Load NAT engine settings. mNATEngine->i_loadSettings(data.nat); // leave the lock before setting attachment type alock.release(); rc = COMSETTER(AttachmentType)(data.mode); if (FAILED(rc)) return rc; return S_OK; } /** * Saves settings to the given adapter node. * * Note that the given Adapter node is completely empty on input. * * @param data Configuration settings. * * @note Locks this object for reading. */ HRESULT NetworkAdapter::i_saveSettings(settings::NetworkAdapter &data) { AutoCaller autoCaller(this); AssertComRCReturnRC(autoCaller.rc()); AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS); data = *mData.data(); mNATEngine->i_saveSettings(data.nat); return S_OK; } /** * Returns true if any setter method has modified settings of this instance. * @return */ bool NetworkAdapter::i_isModified() { AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS); bool fChanged = mData.isBackedUp(); fChanged |= mNATEngine->i_isModified(); return fChanged; } /** * @note Locks this object for writing. */ void NetworkAdapter::i_rollback() { /* sanity */ AutoCaller autoCaller(this); AssertComRCReturnVoid(autoCaller.rc()); AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS); mNATEngine->i_rollback(); mData.rollback(); } /** * @note Locks this object for writing, together with the peer object (also * for writing) if there is one. */ void NetworkAdapter::i_commit() { /* sanity */ AutoCaller autoCaller(this); AssertComRCReturnVoid(autoCaller.rc()); /* sanity too */ AutoCaller peerCaller(mPeer); AssertComRCReturnVoid(peerCaller.rc()); /* lock both for writing since we modify both (mPeer is "master" so locked * first) */ AutoMultiWriteLock2 alock(mPeer, this COMMA_LOCKVAL_SRC_POS); mNATEngine->i_commit(); if (mData.isBackedUp()) { mData.commit(); if (mPeer) { /* attach new data to the peer and reshare it */ mPeer->mData.attach(mData); } } } /** * @note Locks this object for writing, together with the peer object * represented by @a aThat (locked for reading). */ void NetworkAdapter::i_copyFrom(NetworkAdapter *aThat) { AssertReturnVoid(aThat != NULL); /* sanity */ AutoCaller autoCaller(this); AssertComRCReturnVoid(autoCaller.rc()); /* sanity too */ AutoCaller thatCaller(aThat); AssertComRCReturnVoid(thatCaller.rc()); mNATEngine->i_copyFrom(aThat->mNATEngine); /* peer is not modified, lock it for reading (aThat is "master" so locked * first) */ AutoReadLock rl(aThat COMMA_LOCKVAL_SRC_POS); AutoWriteLock wl(this COMMA_LOCKVAL_SRC_POS); /* this will back up current data */ mData.assignCopy(aThat->mData); } /** * Applies the defaults for this network adapter. * * @note This method currently assumes that the object is in the state after * calling init(), it does not set defaults from an arbitrary state. */ void NetworkAdapter::i_applyDefaults(GuestOSType *aOsType) { /* sanity */ AutoCaller autoCaller(this); AssertComRCReturnVoid(autoCaller.rc()); mNATEngine->i_applyDefaults(); AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS); bool e1000enabled = false; #ifdef VBOX_WITH_E1000 e1000enabled = true; #endif // VBOX_WITH_E1000 NetworkAdapterType_T defaultType; if (aOsType) defaultType = aOsType->i_networkAdapterType(); else { #ifdef VBOX_WITH_E1000 defaultType = NetworkAdapterType_I82540EM; #else defaultType = NetworkAdapterType_Am79C973A; #endif } /* Set default network adapter for this OS type */ if (defaultType == NetworkAdapterType_I82540EM || defaultType == NetworkAdapterType_I82543GC || defaultType == NetworkAdapterType_I82545EM) { if (e1000enabled) mData->type = defaultType; } else mData->type = defaultType; /* Enable the first one adapter and set it to NAT */ /** @todo r=klaus remove this long term, since a newly created VM should * have no additional hardware components unless configured either * explicitly or through Machine::applyDefaults. */ if (aOsType && mData->ulSlot == 0) { mData->fEnabled = true; if (mData->strMACAddress.isEmpty()) i_generateMACAddress(); mData->mode = NetworkAttachmentType_NAT; } mData->fCableConnected = true; } bool NetworkAdapter::i_hasDefaults() { /* sanity */ AutoCaller autoCaller(this); AssertComRCReturn(autoCaller.rc(), true); ComObjPtr pGuestOSType; HRESULT rc = mParent->i_getVirtualBox()->i_findGuestOSType(mParent->i_getOSTypeId(), pGuestOSType); if (FAILED(rc)) return false; NetworkAdapterType_T defaultType = pGuestOSType->i_networkAdapterType(); AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS); if ( !mData->fEnabled && mData->strMACAddress.isEmpty() && mData->type == defaultType && mData->fCableConnected && mData->ulLineSpeed == 0 && mData->enmPromiscModePolicy == NetworkAdapterPromiscModePolicy_Deny && mData->mode == NetworkAttachmentType_Null && mData->strBridgedName.isEmpty() && mData->strInternalNetworkName.isEmpty() && mData->strHostOnlyName.isEmpty() && mData->strNATNetworkName.isEmpty() && mData->strGenericDriver.isEmpty() && mData->genericProperties.size() == 0) { /* Could be default, check NAT defaults. */ return mNATEngine->i_hasDefaults(); } return false; } ComObjPtr NetworkAdapter::i_getPeer() { return mPeer; } // private methods //////////////////////////////////////////////////////////////////////////////// /** * Generates a new unique MAC address based on our vendor ID and * parts of a GUID. * * @note Must be called from under the object's write lock or within the init * span. */ void NetworkAdapter::i_generateMACAddress() { Utf8Str mac; Host::i_generateMACAddress(mac); LogFlowThisFunc(("generated MAC: '%s'\n", mac.c_str())); mData->strMACAddress = mac; } HRESULT NetworkAdapter::getBandwidthGroup(ComPtr &aBandwidthGroup) { LogFlowThisFuncEnter(); HRESULT hrc = S_OK; AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS); if (mData->strBandwidthGroup.isNotEmpty()) { ComObjPtr pBwGroup; hrc = mParent->i_getBandwidthGroup(mData->strBandwidthGroup, pBwGroup, true /* fSetError */); Assert(SUCCEEDED(hrc)); /* This is not allowed to fail because the existence * of the group was checked when it was attached. */ if (SUCCEEDED(hrc)) pBwGroup.queryInterfaceTo(aBandwidthGroup.asOutParam()); } LogFlowThisFuncLeave(); return hrc; } HRESULT NetworkAdapter::setBandwidthGroup(const ComPtr &aBandwidthGroup) { LogFlowThisFuncEnter(); /* the machine needs to be mutable */ AutoMutableOrSavedStateDependency adep(mParent); if (FAILED(adep.rc())) return adep.rc(); AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS); IBandwidthGroup *iBw = aBandwidthGroup; Utf8Str strBwGroup; if (aBandwidthGroup) strBwGroup = static_cast(iBw)->i_getName(); if (mData->strBandwidthGroup != strBwGroup) { ComObjPtr pBwGroup; if (!strBwGroup.isEmpty()) { HRESULT hrc = mParent->i_getBandwidthGroup(strBwGroup, pBwGroup, false /* fSetError */); NOREF(hrc); Assert(SUCCEEDED(hrc)); /* This is not allowed to fail because the existence of the group was checked when it was attached. */ } i_updateBandwidthGroup(pBwGroup); // leave the lock before informing callbacks alock.release(); AutoWriteLock mlock(mParent COMMA_LOCKVAL_SRC_POS); mParent->i_setModified(Machine::IsModified_NetworkAdapters); mlock.release(); /** @todo changeAdapter=???. */ mParent->i_onNetworkAdapterChange(this, FALSE); } LogFlowThisFuncLeave(); return S_OK; } void NetworkAdapter::i_updateBandwidthGroup(BandwidthGroup *aBwGroup) { LogFlowThisFuncEnter(); Assert(isWriteLockOnCurrentThread()); ComObjPtr pOldBwGroup; if (!mData->strBandwidthGroup.isEmpty()) { HRESULT hrc = mParent->i_getBandwidthGroup(mData->strBandwidthGroup, pOldBwGroup, false /* fSetError */); NOREF(hrc); Assert(SUCCEEDED(hrc)); /* This is not allowed to fail because the existence of the group was checked when it was attached. */ } mData.backup(); if (!pOldBwGroup.isNull()) { pOldBwGroup->i_release(); mData->strBandwidthGroup = Utf8Str::Empty; } if (aBwGroup) { mData->strBandwidthGroup = aBwGroup->i_getName(); aBwGroup->i_reference(); } LogFlowThisFuncLeave(); } HRESULT NetworkAdapter::i_switchFromNatNetworking(const com::Utf8Str &networkName) { HRESULT hrc; MachineState_T state; hrc = mParent->COMGETTER(State)(&state); if (FAILED(hrc)) return hrc; if ( state == MachineState_Running || state == MachineState_Paused) { Bstr bstrName; hrc = mParent->COMGETTER(Name)(bstrName.asOutParam()); LogRel(("VM '%ls' stops using NAT network '%s'\n", bstrName.raw(), networkName.c_str())); int natCount = mParent->i_getVirtualBox()->i_natNetworkRefDec(Bstr(networkName).raw()); if (natCount == -1) return E_INVALIDARG; /* no such network */ } return S_OK; } HRESULT NetworkAdapter::i_switchToNatNetworking(const com::Utf8Str &aNatNetworkName) { HRESULT hrc; MachineState_T state; hrc = mParent->COMGETTER(State)(&state); if (FAILED(hrc)) return hrc; if ( state == MachineState_Running || state == MachineState_Paused) { Bstr bstrName; hrc = mParent->COMGETTER(Name)(bstrName.asOutParam()); LogRel(("VM '%ls' starts using NAT network '%s'\n", bstrName.raw(), aNatNetworkName.c_str())); int natCount = mParent->i_getVirtualBox()->i_natNetworkRefInc(Bstr(aNatNetworkName).raw()); if (natCount == -1) return E_INVALIDARG; /* not found */ } return S_OK; } /* vi: set tabstop=4 shiftwidth=4 expandtab: */