trace-ip.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.
- *
- * Contributed by Giao Nguyen, http://daedalus.cs.berkeley.edu/~gnguyen
- */
- #include "ip.h"
- #include "trace.h"
- #include "mac.h"
- //#include "packet.h"
- class TraceIp : public Trace {
- public:
- TraceIp(int type) : Trace(type) {
- bind("mask_", &mask_);
- bind("shift_", &shift_);
- }
- void recv(Packet*, Handler*);
- protected:
- int mask_;
- int shift_;
- };
- class TraceIpMac : public TraceIp {
- public:
- TraceIpMac(int type) : TraceIp(type) {}
- void recv(Packet*, Handler*);
- };
- class TraceIpClass : public TclClass {
- public:
- TraceIpClass() : TclClass("TraceIp") { }
- TclObject* create(int args, const char*const* argv) {
- if (args >= 5)
- return (new TraceIp(*argv[4]));
- else
- return NULL;
- }
- } traceip_class;
- class TraceIpMacClass : public TclClass {
- public:
- TraceIpMacClass() : TclClass("TraceIp/Mac") { }
- TclObject* create(int args, const char*const* argv) {
- if (args >= 5)
- return (new TraceIpMac(*argv[4]));
- else
- return NULL;
- }
- } trace_ip_mac_class;
- void TraceIp::recv(Packet* p, Handler* h)
- {
- // XXX: convert IP address to node number
- hdr_ip *iph = hdr_ip::access(p);
- int src = (src_ >= 0) ? src_ : (iph->saddr() >> shift_) & mask_;
- int dst = (iph->daddr() >> shift_) & mask_;
- format(type_, src, dst , p);
- pt_->dump();
- target_ ? send(p, h) : Packet::free(p);
- }
- void TraceIpMac::recv(Packet* p, Handler* h)
- {
- // XXX: convert IP address to node number
- // hdr_ip *iph = hdr_ip::access(p);
-
- hdr_ip *iph = HDR_IP(p);
-
- int src = (src_ >= 0) ? src_ : (iph->saddr() >> shift_) & mask_;
- int dst = (iph->daddr() >> shift_) & mask_;
- hdr_mac* mh = HDR_MAC(p);
-
- if (mh->ftype() == MF_ACK || mh->ftype() == MF_CTS)
- format(type_, dst, src , p);
- else
- format(type_, src, dst , p);
- pt_->dump();
- target_ ? send(p, h) : Packet::free(p);
- }