C++ InterfaceList类代码示例

void VrrpManager::removeVrrpInterfaces ()
{
	InterfaceList interfaces = Netlink::interfaces();
	for (InterfaceList::const_iterator interface = interfaces.begin(); interface != interfaces.end(); ++interface)
	{
		if (interface->second.substr(0, 4) == "vrrp")
			Netlink::removeInterface(interface->first);
	}
}

std::vector<IComponent*> CComponentManager::Script_GetComponentsWithInterface(void* cbdata, int iid)
{
	CComponentManager* componentManager = static_cast<CComponentManager*> (cbdata);

	std::vector<IComponent*> ret;
	InterfaceList ents = componentManager->GetEntitiesWithInterface(iid);
	for (InterfaceList::const_iterator it = ents.begin(); it != ents.end(); ++it)
		ret.push_back(it->second); // TODO: maybe we should exclude local entities
	return ret;
}

const CallManager::InterfaceList CallManager::get_interfaces () const
{
  InterfaceList list;

  for (CallManager::iterator iter = begin ();
       iter != end ();
       iter++)
    list.push_back ((*iter)->get_listen_interface ());

  return list;
}

void QBluetoothDeviceDiscoveryAgentPrivate::startBluez5()
{
    Q_Q(QBluetoothDeviceDiscoveryAgent);


    bool ok = false;
    const QString adapterPath = findAdapterForAddress(m_adapterAddress, &ok);
    if (!ok || adapterPath.isEmpty()) {
        qCWarning(QT_BT_BLUEZ) << "Cannot find Bluez 5 adapter for device search" << ok;
        lastError = QBluetoothDeviceDiscoveryAgent::InputOutputError;
        errorString = QBluetoothDeviceDiscoveryAgent::tr("Cannot find valid Bluetooth adapter.");
        q->error(lastError);
        return;
    }

    adapterBluez5 = new OrgBluezAdapter1Interface(QStringLiteral("org.bluez"),
                                                  adapterPath,
                                                  QDBusConnection::systemBus());

    if (!adapterBluez5->powered()) {
        qCDebug(QT_BT_BLUEZ) << "Aborting device discovery due to offline Bluetooth Adapter";
        lastError = QBluetoothDeviceDiscoveryAgent::PoweredOffError;
        errorString = QBluetoothDeviceDiscoveryAgent::tr("Device is powered off");
        delete adapterBluez5;
        adapterBluez5 = 0;
        emit q->error(lastError);
        return;
    }


    QtBluezDiscoveryManager::instance()->registerDiscoveryInterest(adapterBluez5->path());
    QObject::connect(QtBluezDiscoveryManager::instance(), SIGNAL(discoveryInterrupted(QString)),
            q, SLOT(_q_discoveryInterrupted(QString)));

    // collect initial set of information
    QDBusPendingReply<ManagedObjectList> reply = managerBluez5->GetManagedObjects();
    reply.waitForFinished();
    if (!reply.isError()) {
        foreach (const QDBusObjectPath &path, reply.value().keys()) {
            const InterfaceList ifaceList = reply.value().value(path);
            foreach (const QString &iface, ifaceList.keys()) {
                if (iface == QStringLiteral("org.bluez.Device1")) {

                    if (path.path().indexOf(adapterBluez5->path()) != 0)
                        continue; //devices whose path doesn't start with same path we skip

                    deviceFoundBluez5(path.path());
                }
            }
        }
    }

QString QBluetoothSocketPrivate::peerName() const
{
    quint64 bdaddr;

    if (socketType == QBluetoothServiceInfo::RfcommProtocol) {
        sockaddr_rc addr;
        socklen_t addrLength = sizeof(addr);

        if (::getpeername(socket, reinterpret_cast<sockaddr *>(&addr), &addrLength) < 0)
            return QString();

        convertAddress(addr.rc_bdaddr.b, bdaddr);
    } else if (socketType == QBluetoothServiceInfo::L2capProtocol) {
        sockaddr_l2 addr;
        socklen_t addrLength = sizeof(addr);

        if (::getpeername(socket, reinterpret_cast<sockaddr *>(&addr), &addrLength) < 0)
            return QString();

        convertAddress(addr.l2_bdaddr.b, bdaddr);
    } else {
        qCWarning(QT_BT_BLUEZ) << "peerName() called on socket of unknown type";
        return QString();
    }

    const QString peerAddress = QBluetoothAddress(bdaddr).toString();
    const QString localAdapter = localAddress().toString();

    if (isBluez5()) {
        OrgFreedesktopDBusObjectManagerInterface manager(QStringLiteral("org.bluez"),
                                                         QStringLiteral("/"),
                                                         QDBusConnection::systemBus());
        QDBusPendingReply<ManagedObjectList> reply = manager.GetManagedObjects();
        reply.waitForFinished();
        if (reply.isError())
            return QString();

        foreach (const QDBusObjectPath &path, reply.value().keys()) {
            const InterfaceList ifaceList = reply.value().value(path);
            foreach (const QString &iface, ifaceList.keys()) {
                if (iface == QStringLiteral("org.bluez.Device1")) {
                    if (ifaceList.value(iface).value(QStringLiteral("Address")).toString()
                            == peerAddress)
                        return ifaceList.value(iface).value(QStringLiteral("Alias")).toString();
                }
            }
        }
        return QString();
    } else {

/*!	Returns a reference to an Interface that matches the given \a linkAddress.
	The link address is checked against its hardware address, or its interface
	name, or finally the interface index.
*/
Interface*
get_interface_for_link(net_domain* domain, const sockaddr* _linkAddress)
{
	sockaddr_dl& linkAddress = *(sockaddr_dl*)_linkAddress;

	RecursiveLocker locker(sLock);

	InterfaceList::Iterator iterator = sInterfaces.GetIterator();
	while (Interface* interface = iterator.Next()) {
		if (interface->IsBusy())
			continue;
		// Test if the hardware address matches, or if the given interface
		// matches, or if at least the index matches.
		if ((linkAddress.sdl_alen == interface->device->address.length
				&& memcmp(LLADDR(&linkAddress), interface->device->address.data,
					linkAddress.sdl_alen) == 0)
			|| (linkAddress.sdl_nlen > 0
				&& !strcmp(interface->name, (const char*)linkAddress.sdl_data))
			|| (linkAddress.sdl_nlen == 0 && linkAddress.sdl_alen == 0
				&& linkAddress.sdl_index == interface->index)) {
			if (interface->IsBusy())
				return NULL;
			if (interface->CreateDomainDatalinkIfNeeded(domain) != B_OK)
				return NULL;

			interface->AcquireReference();
			return interface;
		}
	}

	return NULL;
}

/*!	Returns a reference to an InterfaceAddress of the specified \a domain that
	belongs to the interface identified via \a linkAddress. Only the hardware
	address is matched.

	If \a unconfiguredOnly is set, the interface address must not yet be
	configured, or must currently be in the process of being configured.
*/
InterfaceAddress*
get_interface_address_for_link(net_domain* domain, const sockaddr* address,
	bool unconfiguredOnly)
{
	sockaddr_dl& linkAddress = *(sockaddr_dl*)address;

	RecursiveLocker locker(sLock);

	InterfaceList::Iterator iterator = sInterfaces.GetIterator();
	while (Interface* interface = iterator.Next()) {
		if (interface->IsBusy())
			continue;
		// Test if the hardware address matches, or if the given interface
		// matches, or if at least the index matches.
		if (linkAddress.sdl_alen == interface->device->address.length
			&& memcmp(LLADDR(&linkAddress), interface->device->address.data,
				linkAddress.sdl_alen) == 0) {
			TRACE("  %s matches\n", interface->name);
			// link address matches
			if (unconfiguredOnly)
				return interface->FirstUnconfiguredForFamily(domain->family);

			return interface->FirstForFamily(domain->family);
		}
	}

	return NULL;
}

static int
dump_interfaces(int argc, char** argv)
{
	InterfaceList::Iterator iterator = sInterfaces.GetIterator();
	while (Interface* interface = iterator.Next()) {
		kprintf("%p  %s\n", interface, interface->name);
	}
	return 0;
}

//! For debugging purposes only
void
dump_interface_refs(void)
{
	RecursiveLocker locker(sLock);

	InterfaceList::Iterator iterator = sInterfaces.GetIterator();
	while (Interface* interface = iterator.Next()) {
		dprintf("%p: %s, %ld\n", interface, interface->name,
			interface->CountReferences());
	}
}

/*!	Searches for a specific interface by index.
	You need to have the interface list's lock hold when calling this function.
*/
static struct Interface*
find_interface(uint32 index)
{
	InterfaceList::Iterator iterator = sInterfaces.GetIterator();
	while (Interface* interface = iterator.Next()) {
		if (interface->index == index)
			return interface;
	}

	return NULL;
}

void NeardHelper::interfacesAdded(const QDBusObjectPath &path, InterfaceList interfaceList)
{
    foreach (const QString &key, interfaceList.keys()) {
        if (key == QStringLiteral("org.neard.Tag")) {
            emit tagFound(path);
            break;
        }
        if (key == QStringLiteral("org.neard.Record")) {
            emit recordFound(path);
            break;
        }
    }
}

// TODO We need a constructor that lets us select an adapter
QNearFieldManagerPrivateImpl::QNearFieldManagerPrivateImpl()
    : QNearFieldManagerPrivate(),
      m_neardHelper(NeardHelper::instance())
{
    QDBusPendingReply<ManagedObjectList> reply = m_neardHelper->dbusObjectManager()->GetManagedObjects();
    reply.waitForFinished();
    if (reply.isError()) {
        qCWarning(QT_NFC_NEARD) << "Error getting managed objects";
        return;
    }

    bool found = false;
    foreach (const QDBusObjectPath &path, reply.value().keys()) {
        const InterfaceList ifaceList = reply.value().value(path);
        foreach (const QString &iface, ifaceList.keys()) {
            if (iface == QStringLiteral("org.neard.Adapter")) {
                found = true;
                m_adapterPath = path.path();
                qCDebug(QT_NFC_NEARD) << "org.neard.Adapter found for path" << m_adapterPath;
                break;
            }
        }

        if (found)
            break;
    }

    if (!found) {
        qCWarning(QT_NFC_NEARD) << "no adapter found, neard daemon running?";
    } else {
        connect(m_neardHelper, SIGNAL(tagFound(QDBusObjectPath)),
                this,          SLOT(handleTagFound(QDBusObjectPath)));
        connect(m_neardHelper, SIGNAL(tagRemoved(QDBusObjectPath)),
                this,          SLOT(handleTagRemoved(QDBusObjectPath)));
    }
}

/*!	Dumps a list of all interfaces into the supplied userland buffer.
	If the interfaces don't fit into the buffer, an error (\c ENOBUFS) is
	returned.
*/
status_t
list_interfaces(int family, void* _buffer, size_t* bufferSize)
{
	RecursiveLocker locker(sLock);

	UserBuffer buffer(_buffer, *bufferSize);

	InterfaceList::Iterator iterator = sInterfaces.GetIterator();
	while (Interface* interface = iterator.Next()) {
		// Copy name
		buffer.Push(interface->name, IF_NAMESIZE);

		// Copy address
		InterfaceAddress* address = interface->FirstForFamily(family);
		size_t length = 0;

		if (address != NULL && address->local != NULL) {
			// Actual address
			buffer.Push(address->local, length = address->local->sa_len);
		} else {
			// Empty address
			sockaddr empty;
			empty.sa_len = 2;
			empty.sa_family = AF_UNSPEC;
			buffer.Push(&empty, length = empty.sa_len);
		}

		if (address != NULL)
			address->ReleaseReference();

		if (IF_NAMESIZE + length < sizeof(ifreq)) {
			// Make sure at least sizeof(ifreq) bytes are written for each
			// interface for compatibility with other platforms
			buffer.Pad(sizeof(ifreq) - IF_NAMESIZE - length);
		}

		if (buffer.Status() != B_OK)
			return buffer.Status();
	}

	*bufferSize = buffer.BytesConsumed();
	return B_OK;
}

InterfaceAddress*
get_interface_address_for_destination(net_domain* domain,
	const sockaddr* destination)
{
	RecursiveLocker locker(sLock);

	InterfaceList::Iterator iterator = sInterfaces.GetIterator();
	while (Interface* interface = iterator.Next()) {
		if (interface->IsBusy())
			continue;

		InterfaceAddress* address
			= interface->AddressForDestination(domain, destination);
		if (address != NULL)
			return address;
	}

	return NULL;
}

Interface*
get_interface_for_device(net_domain* domain, uint32 index)
{
	RecursiveLocker locker(sLock);

	InterfaceList::Iterator iterator = sInterfaces.GetIterator();
	while (Interface* interface = iterator.Next()) {
		if (interface->device->index == index) {
			if (interface->IsBusy())
				return NULL;
			if (interface->CreateDomainDatalinkIfNeeded(domain) != B_OK)
				return NULL;

			interface->AcquireReference();
			return interface;
		}
	}

	return NULL;
}