tap.h
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- /*
- * Copyright (c) 1997, 1998 The Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the MASH Research
- * Group at the University of California, Berkeley.
- * 4. Neither the name of the University nor of the Research Group may be used
- * to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#) $Header: /cvsroot/nsnam/ns-2/emulate/tap.h,v 1.2 2002/09/23 23:25:05 alefiyah Exp $ (ISI)
- */
- #ifndef tap_h
- #define tap_h
- #include "tclcl.h"
- #include "net.h"
- #include "packet.h"
- #include "agent.h"
- #define TAPDEBUG 1
- #ifdef TAPDEBUG
- #define TDEBUG(x) { if (TAPDEBUG) fprintf(stderr, (x)); }
- #define TDEBUG2(x,y) { if (TAPDEBUG) fprintf(stderr, (x), (y)); }
- #define TDEBUG3(x,y,z) { if (TAPDEBUG) fprintf(stderr, (x), (y), (z)); }
- #define TDEBUG4(w,x,y,z) { if (TAPDEBUG) fprintf(stderr, (w), (x), (y), (z)); }
- #define TDEBUG5(v,w,x,y,z) { if (TAPDEBUG) fprintf(stderr, (v), (w), (x), (y), (z)); }
- #else
- #define TDEBUG(x) { }
- #define TDEBUG2(x,y) { }
- #define TDEBUG3(x,y,z) { }
- #define TDEBUG4(w,x,y,z) { }
- #define TDEBUG5(v,w,x,y,z) { }
- #endif
- #include <errno.h>
- class TapAgent : public Agent, public IOHandler {
- public:
- TapAgent();
- int command(int, const char*const*);
- void recv(Packet* p, Handler*); /* sim->live net */
- private:
- virtual int sendpkt(Packet *);
- virtual void recvpkt();
- protected:
- int maxpkt_; /* max size allocated to recv a pkt */
- void dispatch(int); /* invoked via scheduler on I/O event */
- int linknet(); /* establish I/O handler */
- Network* net_; /* live network object */
- double now() { return Scheduler::instance().clock(); }
- };
- #endif /* tap_h */