/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */

/*

 * Copyright (c) 2008 INRIA

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation;

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 *

 * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>

 */

#ifndef CSMA_HELPER_H

#define CSMA_HELPER_H

#include <string>

#include "ns3/attribute.h"

#include "ns3/object-factory.h"

#include "ns3/net-device-container.h"

#include "ns3/node-container.h"

#include "ns3/csma-channel.h"

#include "ns3/deprecated.h"

#include "ns3/trace-helper.h"

namespace ns3 {

class Packet;

/**

 * \brief build a set of CsmaNetDevice objects

 *

 * Normally we eschew multiple inheritance, however, the classes 

 * PcapUserHelperForDevice and AsciiTraceUserHelperForDevice are

 * treated as "mixins".  A mixin is a self-contained class that

 * encapsulates a general attribute or a set of functionality that

 * may be of interest to many other classes.

 */

class CsmaHelper : public PcapHelperForDevice, public AsciiTraceHelperForDevice

{

public:

  /**

   * Construct a CsmaHelper.

   */

  CsmaHelper ();

  virtual ~CsmaHelper () {}

  /**

   * \param type the type of queue

   * \param n1 the name of the attribute to set on the queue

   * \param v1 the value of the attribute to set on the queue

   * \param n2 the name of the attribute to set on the queue

   * \param v2 the value of the attribute to set on the queue

   * \param n3 the name of the attribute to set on the queue

   * \param v3 the value of the attribute to set on the queue

   * \param n4 the name of the attribute to set on the queue

   * \param v4 the value of the attribute to set on the queue

   *

   * Set the type of queue to create and associated to each

   * CsmaNetDevice created through CsmaHelper::Install.

   */

  void SetQueue (std::string type,

                 std::string n1 = "", const AttributeValue &v1 = EmptyAttributeValue (),

                 std::string n2 = "", const AttributeValue &v2 = EmptyAttributeValue (),

                 std::string n3 = "", const AttributeValue &v3 = EmptyAttributeValue (),

                 std::string n4 = "", const AttributeValue &v4 = EmptyAttributeValue ());

  /**

   * \param n1 the name of the attribute to set

   * \param v1 the value of the attribute to set

   *

   * Set these attributes on each ns3::CsmaNetDevice created

   * by CsmaHelper::Install

   */

  void SetDeviceAttribute (std::string n1, const AttributeValue &v1);

  /**

   * \param n1 the name of the attribute to set

   * \param v1 the value of the attribute to set

   *

   * Set these attributes on each ns3::CsmaChannel created

   * by CsmaHelper::Install

   */

  void SetChannelAttribute (std::string n1, const AttributeValue &v1);

  /**

   * This method creates an ns3::CsmaChannel with the attributes configured by

   * CsmaHelper::SetChannelAttribute, an ns3::CsmaNetDevice with the attributes

   * configured by CsmaHelper::SetDeviceAttribute and then adds the device

   * to the node and attaches the channel to the device.

   *

   * \param node The node to install the device in

   * \returns A container holding the added net device.

   */

  NetDeviceContainer Install (Ptr<Node> node) const;

  /**

   * This method creates an ns3::CsmaChannel with the attributes configured by

   * CsmaHelper::SetChannelAttribute, an ns3::CsmaNetDevice with the attributes

   * configured by CsmaHelper::SetDeviceAttribute and then adds the device

   * to the node and attaches the channel to the device.

   *

   * \param name The name of the node to install the device in

   * \returns A container holding the added net device.

   */

  NetDeviceContainer Install (std::string name) const;

  /**

   * This method creates an ns3::CsmaNetDevice with the attributes configured by

   * CsmaHelper::SetDeviceAttribute and then adds the device to the node and 

   * attaches the provided channel to the device.

   *

   * \param node The node to install the device in

   * \param channel The channel to attach to the device.

   * \returns A container holding the added net device.

   */

  NetDeviceContainer Install (Ptr<Node> node, Ptr<CsmaChannel> channel) const;

  /**

   * This method creates an ns3::CsmaNetDevice with the attributes configured by

   * CsmaHelper::SetDeviceAttribute and then adds the device to the node and 

   * attaches the provided channel to the device.

   *

   * \param node The node to install the device in

   * \param channelName The name of the channel to attach to the device.

   * \returns A container holding the added net device.

   */

  NetDeviceContainer Install (Ptr<Node> node, std::string channelName) const;

  /**

   * This method creates an ns3::CsmaNetDevice with the attributes configured by

   * CsmaHelper::SetDeviceAttribute and then adds the device to the node and 

   * attaches the provided channel to the device.

   *

   * \param nodeName The name of the node to install the device in

   * \param channel The channel to attach to the device.

   * \returns A container holding the added net device.

   */

  NetDeviceContainer Install (std::string nodeName, Ptr<CsmaChannel> channel) const;

  /**

   * This method creates an ns3::CsmaNetDevice with the attributes configured by

   * CsmaHelper::SetDeviceAttribute and then adds the device to the node and 

   * attaches the provided channel to the device.

   *

   * \param nodeName The name of the node to install the device in

   * \param channelName The name of the channel to attach to the device.

   * \returns A container holding the added net device.

   */

  NetDeviceContainer Install (std::string nodeName, std::string channelName) const;

  /**

   * This method creates an ns3::CsmaChannel with the attributes configured by

   * CsmaHelper::SetChannelAttribute.  For each Ptr<node> in the provided

   * container: it creates an ns3::CsmaNetDevice (with the attributes 

   * configured by CsmaHelper::SetDeviceAttribute); adds the device to the 

   * node; and attaches the channel to the device.

   *

   * \param c The NodeContainer holding the nodes to be changed.

   * \returns A container holding the added net devices.

   */

  NetDeviceContainer Install (const NodeContainer &c) const;

  /**

   * For each Ptr<node> in the provided container, this method creates an 

   * ns3::CsmaNetDevice (with the attributes configured by 

   * CsmaHelper::SetDeviceAttribute); adds the device to the node; and attaches 

   * the provided channel to the device.

   *

   * \param c The NodeContainer holding the nodes to be changed.

   * \param channel The channel to attach to the devices.

   * \returns A container holding the added net devices.

   */

  NetDeviceContainer Install (const NodeContainer &c, Ptr<CsmaChannel> channel) const;

  /**

   * For each Ptr<node> in the provided container, this method creates an 

   * ns3::CsmaNetDevice (with the attributes configured by 

   * CsmaHelper::SetDeviceAttribute); adds the device to the node; and attaches 

   * the provided channel to the device.

   *

   * \param c The NodeContainer holding the nodes to be changed.

   * \param channelName The name of the channel to attach to the devices.

   * \returns A container holding the added net devices.

   */

  NetDeviceContainer Install (const NodeContainer &c, std::string channelName) const;

private:

  /*

   * \internal

   */

  Ptr<NetDevice> InstallPriv (Ptr<Node> node, Ptr<CsmaChannel> channel) const;

  /**

   * \brief Enable pcap output on the indicated net device.

   * \internal

   *

   * NetDevice-specific implementation mechanism for hooking the trace and

   * writing to the trace file.

   *

   * \param prefix Filename prefix to use for pcap files.

   * \param nd Net device for which you want to enable tracing.

   * \param promiscuous If true capture all possible packets available at the device.

   * \param explicitFilename Treat the prefix as an explicit filename if true

   */

  virtual void EnablePcapInternal (std::string prefix, Ptr<NetDevice> nd, bool promiscuous, bool explicitFilename);

  /**

   * \brief Enable ascii trace output on the indicated net device.

   * \internal

   *

   * NetDevice-specific implementation mechanism for hooking the trace and

   * writing to the trace file.

   *

   * \param stream The output stream object to use when logging ascii traces.

   * \param prefix Filename prefix to use for ascii trace files.

   * \param nd Net device for which you want to enable tracing.

   * \param explicitFilename Treat the prefix as an explicit filename if true

   */

  virtual void EnableAsciiInternal (Ptr<OutputStreamWrapper> stream, 

                                    std::string prefix, 

                                    Ptr<NetDevice> nd,

                                    bool explicitFilename);

  ObjectFactory m_queueFactory;

  ObjectFactory m_deviceFactory;

  ObjectFactory m_channelFactory;

};

} // namespace ns3

#endif /* CSMA_HELPER_H */