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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 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.
*/
#ifndef lint
static const char rcsid[] =
"@(#) $Header: /cvsroot/nsnam/ns-2/common/connector.cc,v 1.14 1998/12/08 23:43:05 haldar Exp $ ";
#endif
#include "packet.h"
#include "connector.h"
static class ConnectorClass : public TclClass {
public:
ConnectorClass() : TclClass("Connector") {}
TclObject* create(int, const char*const*) {
return (new Connector);
}
} class_connector;
Connector::Connector() : target_(0), drop_(0)
{
}
int Connector::command(int argc, const char*const* argv)
{
Tcl& tcl = Tcl::instance();
/*XXX*/
if (argc == 2) {
if (strcmp(argv[1], "target") == 0) {
if (target_ != 0)
tcl.result(target_->name());
return (TCL_OK);
}
if (strcmp(argv[1], "drop-target") == 0) {
if (drop_ != 0)
tcl.resultf("%s", drop_->name());
return (TCL_OK);
}
if (strcmp(argv[1], "isDynamic") == 0) {
return TCL_OK;
}
}
else if (argc == 3) {
if (strcmp(argv[1], "target") == 0) {
if (*argv[2] == '0') {
target_ = 0;
return (TCL_OK);
}
target_ = (NsObject*)TclObject::lookup(argv[2]);
if (target_ == 0) {
tcl.resultf("no such object %s", argv[2]);
return (TCL_ERROR);
}
return (TCL_OK);
}
if (strcmp(argv[1], "drop-target") == 0) {
drop_ = (NsObject*)TclObject::lookup(argv[2]);
if (drop_ == 0) {
tcl.resultf("no object %s", argv[2]);
return (TCL_ERROR);
}
return (TCL_OK);
}
}
return (NsObject::command(argc, argv));
}
void Connector::recv(Packet* p, Handler* h)
{
send(p, h);
}
void Connector::drop(Packet* p)
{
if (drop_ != 0)
drop_->recv(p);
else
Packet::free(p);
}
void Connector::drop(Packet* p, const char *s)
{
if (drop_ != 0)
drop_->recv(p, s);
else
Packet::free(p);
}
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