iodev.hh
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- //
- // iodev.hh : Diffusion IO Devices Include File
- // authors : Fabio Silva
- //
- // Copyright (C) 2000-2002 by the University of Southern California
- // $Id: iodev.hh,v 1.8 2005/09/13 04:53:49 tomh Exp $
- //
- // 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.
- //
- // Linking this file statically or dynamically with other modules is making
- // a combined work based on this file. Thus, the terms and conditions of
- // the GNU General Public License cover the whole combination.
- //
- // In addition, as a special exception, the copyright holders of this file
- // give you permission to combine this file with free software programs or
- // libraries that are released under the GNU LGPL and with code included in
- // the standard release of ns-2 under the Apache 2.0 license or under
- // otherwise-compatible licenses with advertising requirements (or modified
- // versions of such code, with unchanged license). You may copy and
- // distribute such a system following the terms of the GNU GPL for this
- // file and the licenses of the other code concerned, provided that you
- // include the source code of that other code when and as the GNU GPL
- // requires distribution of source code.
- //
- // Note that people who make modified versions of this file are not
- // obligated to grant this special exception for their modified versions;
- // it is their choice whether to do so. The GNU General Public License
- // gives permission to release a modified version without this exception;
- // this exception also makes it possible to release a modified version
- // which carries forward this exception.
- //
- // This file defines the basic interface between diffusion device
- // drivers and the Diffusion Core (or the Diffusion Routing Library
- // API). It provides basic functionality to send and receive packets
- // and also keeps track of input/output file descriptors that can be
- // used on select().
- #ifndef _IODEV_HH_
- #define _IODEV_HH_
- #ifdef HAVE_CONFIG_H
- #include "config.h"
- #endif // HAVE_CONFIG_H
- #include <list>
- #include "header.hh"
- #include "tools.hh"
- using namespace std;
- class DiffusionIO {
- public:
- DiffusionIO();
- virtual ~DiffusionIO(){
- // Nothing to do
- };
- virtual void addInFDS(fd_set *fds, int *max);
- virtual bool hasFD(int fd);
- virtual int checkInFDS(fd_set *fds);
- virtual DiffPacket recvPacket(int fd) = 0;
- virtual void sendPacket(DiffPacket p, int len, int dst) = 0;
- protected:
- int num_out_descriptors_;
- int num_in_descriptors_;
- int max_in_descriptor_;
- list<int> in_fds_;
- list<int> out_fds_;
- };
- typedef list<DiffusionIO *> DeviceList;
- #endif // !_IODEV_HH_