wired-phy.cc
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上传日期:2015-12-11
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- /* -*- Mode:C++; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*- *
- *
- * Copyright (c) 1997 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 Daedalus Research
- * Group at the University of California Berkeley.
- * 4. Neither the name of the University nor of the Laboratory 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:
- */
- #include <wired-phy.h>
- static class WiredPhyClass: public TclClass {
- public:
- WiredPhyClass() : TclClass("Phy/WiredPhy") {}
- TclObject* create(int, const char*const*) {
- return (new WiredPhy);
- }
- } class_WiredPhy;
- WiredPhy::WiredPhy(void) : Phy()
- {
- //propagation_ = 0;
- //bandwidth_ = 10*1e6; // 10M
- bind_bw("bandwidth_", &bandwidth_);
- }
-
- int
- WiredPhy::command(int argc, const char*const* argv) {
- if (argc == 3) {
- TclObject *obj;
- if( (obj = TclObject::lookup(argv[2])) == 0) {
- fprintf(stderr, "%s lookup failedn", argv[1]);
- return TCL_ERROR;
- }
- //if (strcmp(argv[1], "propagation") == 0) {
- //assert(propagation_ == 0);
- //propagation_ = (TclObject*) obj;
- //return TCL_OK;
- //}
- }
-
- return Phy::command(argc, argv);
- }
- void WiredPhy::sendDown(Packet *p)
- {
- /*
- * Sanity Check
- */
- assert(initialized());
- /*
- * Stamp the packet with the interface arguments, txtime and
- * info reqd by recving interface to determine
- * collision/contention
- */
-
-
- // and then send the packet
- channel_->recv(p, this);
- }
- int WiredPhy::sendUp(Packet *)
- {
- /*
- * Sanity Check
- */
- assert(initialized());
-
- /* check with propagation model for collision, channel
- contention */
- /* Return one if pkt recv , else return zero.*/
- return 1;
- }
-
-
-