1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/node/nsc-glue.h	Wed Jul 15 18:46:14 2009 +0200
     1.3 @@ -0,0 +1,116 @@
     1.4 +/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
     1.5 +/*
     1.6 + * Copyright (c) 2008 Florian Westphal
     1.7 + *
     1.8 + * This program is free software; you can redistribute it and/or modify
     1.9 + * it under the terms of the GNU General Public License version 2 as
    1.10 + * published by the Free Software Foundation;
    1.11 + *
    1.12 + * This program is distributed in the hope that it will be useful,
    1.13 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.14 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    1.15 + * GNU General Public License for more details.
    1.16 + *
    1.17 + * You should have received a copy of the GNU General Public License
    1.18 + * along with this program; if not, write to the Free Software
    1.19 + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    1.20 + *
    1.21 + * Author: Florian Westphal <fw@strlen.de>
    1.22 + */
    1.23 +#ifndef NODE_NSC_H
    1.24 +#define NODE_NSC_H
    1.25 +
    1.26 +#include <string>
    1.27 +#include <list>
    1.28 +
    1.29 +#include "ns3/callback.h"
    1.30 +#include "ns3/ptr.h"
    1.31 +#include "ns3/object.h"
    1.32 +#include "ns3/net-device.h"
    1.33 +#include "ns3/timer.h"
    1.34 +
    1.35 +#include "nsc-sysctl.h"
    1.36 +
    1.37 +#include "sim_interface.h"
    1.38 +
    1.39 +/*
    1.40 + * silly hack to switch betwwen NSC API revisions faster during development.
    1.41 + * should be removed before erging with upstream ns3-dev.
    1.42 + */
    1.43 +#if NSC_VERSION == 0x00500
    1.44 +#undef NSC_NEXT
    1.45 +#else
    1.46 +#define NSC_NEXT	1
    1.47 +#endif
    1.48 +
    1.49 +
    1.50 +namespace ns3 {
    1.51 +
    1.52 +// IInterruptCallback and ISendCallback are NSC interfaces.
    1.53 +class NscGlue : public Object, IInterruptCallback, ISendCallback
    1.54 +{
    1.55 +public:
    1.56 +  static TypeId GetTypeId (void);
    1.57 +
    1.58 +  NscGlue (void);
    1.59 +
    1.60 +  void SetNode(Ptr<Node> n);
    1.61 +  void SetNscLibrary(const std::string &soname);
    1.62 +  std::string GetNscLibrary () const;
    1.63 +
    1.64 +  // returns true if l3 protocol number can be handled by NSC.
    1.65 +  // currently only returns true for IPv4.
    1.66 +  bool IsNscProtocol (uint16_t proto);
    1.67 +
    1.68 +  // passes packet on to NSC. NSC will see the packet arriving on
    1.69 +  // interface ifindex.
    1.70 +  void PassPacketToNsc (Ptr<const Packet> packet, int ifindex);
    1.71 +
    1.72 +  // used to register the L4 wakeup call:
    1.73 +  // maybe it should directly be used to register individual
    1.74 +  // sockets?
    1.75 +  void RegisterWakeupCallback (Callback<void> cb);
    1.76 +
    1.77 +  // HACK, make this private.
    1.78 +  // Socket implementations should not use m_nscStack-> methods
    1.79 +  // directly.
    1.80 +  INetStack* m_nscStack;
    1.81 +private:
    1.82 +  // IInterruptCallback methods: wakeup and gettime.
    1.83 +  // wakeup is called by the NSC stack whenever something of interest
    1.84 +  // has happened, e.g. when data arrives on a socket, a listen socket
    1.85 +  // has a new connection pending, etc.
    1.86 +  virtual void wakeup();
    1.87 +
    1.88 +  // This is called by the Linux stack RNG initialization.
    1.89 +  // Its also used by the cradle code to add a timestamp to
    1.90 +  // printk/printf/debug output.
    1.91 +  virtual void gettime(unsigned int *, unsigned int *);
    1.92 +
    1.93 +  // send_callback is invoked by NSCs 'ethernet driver' to re-inject
    1.94 +  // a packet (i.e. an octet soup consisting of an IP Header, TCP Header
    1.95 +  // and user payload, if any), into ns-3.
    1.96 +#ifdef NSC_NEXT
    1.97 +  void send_callback(int idx, const void* data, unsigned int datalen);
    1.98 +#else
    1.99 +  void send_callback(const void* data, unsigned int datalen);
   1.100 +#endif
   1.101 +  // internal helper. adds ipv4 addresses.
   1.102 +  // XXX: rethink. This really doesn't belong here.
   1.103 +  // NSC should also split up interface creation and address assignment.
   1.104 +  void AddIface(void);
   1.105 +
   1.106 +  std::list<Callback<void> > m_wakeupCallbacks;
   1.107 +
   1.108 +  void *m_dlopenHandle;
   1.109 +  Timer m_softTimer;
   1.110 +  // called by m_softTimer
   1.111 +  void SoftRtcInterrupt (void);
   1.112 +
   1.113 +  std::string m_nscLibrary;
   1.114 +  Ptr<Node> m_node; // sigh...
   1.115 +};
   1.116 +
   1.117 +} //namespace ns3
   1.118 +
   1.119 +#endif /* NODE_NSC_H */