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/Users/yzchen/ns/ns-allinone-2.33/ns-2.33/common/net-interface.h

00001 /* -*-  Mode:C++; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*- */
00002 
00003 /*
00004  * Copyright (C) 1997 by the University of Southern California
00005  * $Id: net-interface.h,v 1.3 2005/08/25 18:58:02 johnh Exp $
00006  *
00007  * This program is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU General Public License,
00009  * version 2, as published by the Free Software Foundation.
00010  *
00011  * This program is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  * GNU General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU General Public License along
00017  * with this program; if not, write to the Free Software Foundation, Inc.,
00018  * 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
00019  *
00020  *
00021  * The copyright of this module includes the following
00022  * linking-with-specific-other-licenses addition:
00023  *
00024  * In addition, as a special exception, the copyright holders of
00025  * this module give you permission to combine (via static or
00026  * dynamic linking) this module with free software programs or
00027  * libraries that are released under the GNU LGPL and with code
00028  * included in the standard release of ns-2 under the Apache 2.0
00029  * license or under otherwise-compatible licenses with advertising
00030  * requirements (or modified versions of such code, with unchanged
00031  * license).  You may copy and distribute such a system following the
00032  * terms of the GNU GPL for this module and the licenses of the
00033  * other code concerned, provided that you include the source code of
00034  * that other code when and as the GNU GPL requires distribution of
00035  * source code.
00036  *
00037  * Note that people who make modified versions of this module
00038  * are not obligated to grant this special exception for their
00039  * modified versions; it is their choice whether to do so.  The GNU
00040  * General Public License gives permission to release a modified
00041  * version without this exception; this exception also makes it
00042  * possible to release a modified version which carries forward this
00043  * exception.
00044  *
00045  */
00046 
00047 /*
00048  * @(#) $Header: /cvsroot/nsnam/ns-2/common/net-interface.h,v 1.3 2005/08/25 18:58:02 johnh Exp $
00049  *
00050  * Ported by Polly Huang (USC/ISI), http://www-scf.usc.edu/~bhuang
00051  */
00052 
00053 #ifndef ns_net_int_h
00054 #define ns_net_int_h
00055 
00056 #include "connector.h"
00057 #include "packet.h"
00058 #include "lib/bsd-list.h"
00059 
00060 class NetworkInterface;
00061 LIST_HEAD(netint_head, NetworkInterface); // declare list head structure
00062 
00063 class NetworkInterface : public Connector {
00064 public:
00065         NetworkInterface() : intf_label_(UNKN_IFACE.value()) { /*NOTHING*/ }
00066         int command(int argc, const char*const* argv); 
00067         void recv(Packet* p, Handler* h);
00068         int32_t intf_label() { return intf_label_; } 
00069         // list of all networkinterfaces on a node
00070         inline void insertiface(struct netint_head *head) {
00071                 LIST_INSERT_HEAD(head, this, iface_entry);
00072         } 
00073         NetworkInterface* nextiface(void) const { return iface_entry.le_next; }
00074 
00075 protected:
00076         int32_t intf_label_;
00077         LIST_ENTRY(NetworkInterface) iface_entry;
00078 };
00079 
00080 #endif

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