tora_io.cc
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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 Computer Systems
- * Engineering Group at Lawrence Berkeley Laboratory.
- * 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.
- */
- /* Ported from CMU/Monarch's code*/
- /*
- $Id: tora_io.cc,v 1.4 1999/10/13 22:53:11 heideman Exp $
-
- marshall TORA packets
- */
- #include <tora/tora_packet.h>
- #include <tora/tora.h>
- /* ======================================================================
- Outgoing Packets
- ====================================================================== */
- void
- toraAgent::sendQRY(nsaddr_t id)
- {
- Packet *p = Packet::alloc();
- struct hdr_cmn *ch = HDR_CMN(p);
- struct hdr_ip *ih = HDR_IP(p);
- struct hdr_tora_qry *th = HDR_TORA_QRY(p);
- ch->uid() = uidcnt_++;
- ch->ptype() = PT_TORA;
- ch->size() = QRY_HDR_LEN;
- ch->iface() = -2;
- ch->error() = 0;
- ch->addr_type() = NS_AF_NONE;
- ch->prev_hop_ = ipaddr();
- ih->saddr() = ipaddr();
- ih->daddr() = IP_BROADCAST;
- ih->sport() = RT_PORT;
- ih->dport() = RT_PORT;
- ih->ttl_ = 1;
- th->tq_type = TORATYPE_QRY;
- th->tq_dst = id;
- trace("T %.9f _%d_ tora sendQRY %d",
- Scheduler::instance().clock(), ipaddr(), id);
- tora_output(p);
- }
- void
- toraAgent::sendUPD(nsaddr_t id)
- {
- Packet *p = Packet::alloc();
- struct hdr_cmn *ch = HDR_CMN(p);
- struct hdr_ip *ih = HDR_IP(p);
- struct hdr_tora_upd *th = HDR_TORA_UPD(p);
- TORADest *td;
- td = dst_find(id);
- assert(td);
- ch->uid() = uidcnt_++;
- ch->ptype() = PT_TORA;
- ch->size() = UPD_HDR_LEN;
- ch->iface() = -2;
- ch->error() = 0;
- ch->addr_type() = NS_AF_NONE;
- ch->prev_hop_ = ipaddr();
- ih->saddr() = ipaddr();
- ih->daddr() = IP_BROADCAST;
- ih->sport() = RT_PORT;
- ih->dport() = RT_PORT;
- ih->ttl_ = 1;
- th->tu_type = TORATYPE_UPD;
- th->tu_dst = id;
- th->tu_tau = td->height.tau;
- th->tu_oid = td->height.oid;
- th->tu_r = td->height.r;
- th->tu_delta = td->height.delta;
- th->tu_id = td->height.id;
- tora_output(p);
- }
- void
- toraAgent::sendCLR(nsaddr_t id, double tau, nsaddr_t oid)
- {
- Packet *p = Packet::alloc();
- struct hdr_cmn *ch = HDR_CMN(p);
- struct hdr_ip *ih = HDR_IP(p);
- struct hdr_tora_clr *th = HDR_TORA_CLR(p);
- ch->uid() = uidcnt_++;
- ch->ptype() = PT_TORA;
- ch->size() = CLR_HDR_LEN;
- ch->iface() = -2;
- ch->error() = 0;
- ch->addr_type() = NS_AF_NONE;
- ch->prev_hop_ = ipaddr();
- ih->saddr() = ipaddr();
- ih->daddr() = IP_BROADCAST;
- ih->sport() = RT_PORT;
- ih->dport() = RT_PORT;
- ih->ttl_ = 1;
- th->tc_type = TORATYPE_CLR;
- th->tc_dst = id;
- th->tc_tau = tau;
- th->tc_oid = oid;
- tora_output(p);
- }
- void
- toraAgent::tora_output(Packet *p)
- {
- target_->recv(p, (Handler*) 0);
- }