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/*
* Copyright (C) 2003 Thiago Macieira <thiago.macieira@kdemail.net>
*
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef TDEMULTICASTSOCKETDEVICE_H
#define TDEMULTICASTSOCKETDEVICE_H
#include "tdesocketdevice.h"
#include "knetworkinterface.h"
#include "tdesocketaddress.h"
namespace KNetwork {
class KMulticastSocketImplPrivate;
/**
* @class KMulticastSocketImpl tdemulticastsocketdevice.h tdemulticastsocketdevice.h
* @brief The low-level backend for multicasting sockets.
*
* This class is an interface providing methods for handling multicast
* operations.
*
* @author Thiago Macieira <thiago.macieira@kdemail.net>
*/
class KMulticastSocketImpl: public TDESocketDevice
{
public:
/**
* Constructor.
*/
KMulticastSocketImpl(const TDESocketBase* = 0L);
/**
* Destructor
*/
virtual ~KMulticastSocketImpl();
/**
* Sets our capabilities.
*/
virtual int capabilities() const;
/**
* Overrides the socket creation.
*/
virtual bool create(int family, int type, int protocol);
/**
* Overrides connection. Multicast sockets may not connect.
*/
virtual bool connect(const KResolverEntry& address);
/**
* Retrieves the time-to-live/hop count value on multicast packets being sent.
*/
virtual int timeToLive() const;
/**
* Sets the time-to-live/hop count for outgoing multicast packets.
*
* @param ttl the hop count, from 0 to 255
* @returns true if setting the value was successful.
*/
virtual bool setTimeToLive(int ttl);
/**
* Retrieves the flag indicating if sent packets will be echoed back
* to sender.
*/
virtual bool multicastLoop() const;
/**
* Sets the flag indicating the loopback of packets to the sender.
*
* @param enable if true, will echo back
* @returns true if setting the value was successful.
*/
virtual bool setMulticastLoop(bool enable);
/**
* Retrieves the network interface this socket is associated to.
*/
virtual KNetworkInterface networkInterface();
/**
* Sets the network interface on which this socket should work.
*
* @param iface the interface to associate with
* @return true if setting the value was successful.
*/
virtual bool setNetworkInterface(const KNetworkInterface& iface);
/**
* Joins a multicast group. The group to be joined is identified by the
* @p group parameter.
*
* @param group the multicast group to join
* @returns true on success
*/
virtual bool joinGroup(const TDESocketAddress& group);
/**
* @overload
* Joins a multicast group. This function also specifies the network interface
* to be used.
*/
virtual bool joinGroup(const TDESocketAddress& group,
const KNetworkInterface& iface);
/**
* Leaves a multicast group. The group being left is given by its address in the
* @p group parameter.
*
* @param group the group to leave
* @returns true on successful leaving the group
*/
virtual bool leaveGroup(const TDESocketAddress& group);
/**
* @overload
* Leaves a multicast group.
*/
virtual bool leaveGroup(const TDESocketAddress& group,
const KNetworkInterface& iface);
private:
KMulticastSocketImplPrivate *d;
};
} // namespace KNetwork
#endif
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