bi-connector.h
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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.
- *
- * @(#) $Header: /cvsroot/nsnam/ns-2/common/bi-connector.h,v 1.1 1998/12/08 19:09:02 haldar Exp $
- */
- #ifndef ns_new_connector_h
- #define ns_new_connector_h
- #include "object.h"
- /*
- * An NsObject with two targets - up and down.
- */
- class BiConnector : public NsObject {
- public:
- BiConnector();
- inline NsObject* uptarget() { return uptarget_; }
- NsObject* downtarget() { return downtarget_; }
- virtual void drop(Packet* p);
- protected:
- virtual void drop(Packet* p, const char *s);
- int command(int argc, const char*const* argv);
- void recv(Packet*, Handler* callback = 0);
- virtual void sendDown(Packet* p, Handler* h)
- { downtarget_->recv(p, h); }
- inline virtual void sendUp(Packet* p, Handler* h)
- { uptarget_->recv(p, h); }
- NsObject* uptarget_; // upstream target -->previously
- // defined as target_ for connector objects then supporting
- // unidrectional connectivity only.
- NsObject* downtarget_; // downstream target
- NsObject* drop_; // drop target for this connector
- };
- #endif //ns_new_connector