hdr_sr.cc
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- /*
- * hdr_sr.cc
- * Copyright (C) 2000 by the University of Southern California
- * $Id: hdr_sr.cc,v 1.6 2005/08/25 18:58:04 johnh Exp $
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
- *
- *
- * The copyright of this module includes the following
- * linking-with-specific-other-licenses addition:
- *
- * In addition, as a special exception, the copyright holders of
- * this module give you permission to combine (via static or
- * dynamic linking) this module with free software programs or
- * libraries that are released under the GNU LGPL and with code
- * included in the standard release of ns-2 under the Apache 2.0
- * license or under otherwise-compatible licenses with advertising
- * requirements (or modified versions of such code, with unchanged
- * license). You may copy and distribute such a system following the
- * terms of the GNU GPL for this module and the licenses of the
- * other code concerned, provided that you include the source code of
- * that other code when and as the GNU GPL requires distribution of
- * source code.
- *
- * Note that people who make modified versions of this module
- * are not obligated to grant this special exception for their
- * modified versions; it is their choice whether to do so. The GNU
- * General Public License gives permission to release a modified
- * version without this exception; this exception also makes it
- * possible to release a modified version which carries forward this
- * exception.
- *
- */
- //
- // Other copyrights might apply to parts of this software and are so
- // noted when applicable.
- //
- // Ported from CMU/Monarch's code, appropriate copyright applies.
- /* -*- c++ -*-
- hdr_sr.cc
- source route header
- */
- #include <stdio.h>
- #include "hdr_sr.h"
- int hdr_sr::offset_;
- static class SRHeaderClass : public PacketHeaderClass {
- public:
- SRHeaderClass() : PacketHeaderClass("PacketHeader/SR",
- sizeof(hdr_sr)) {
- offset(&hdr_sr::offset_);
- #ifdef DSR_CONST_HDR_SZ
- fprintf(stderr,"WARNING: DSR treating all source route headersn"
- "as having length %d. this should be used only to estimate effectn"
- "of no longer needing a src rt in each packetn",SR_HDR_SZ);
- #endif
- }
- #if 0
- void export_offsets() {
- field_offset("valid_", OFFSET(hdr_sr, valid_));
- field_offset("num_addrs_", OFFSET(hdr_sr, num_addrs_));
- field_offset("cur_addr_", OFFSET(hdr_sr, cur_addr_));
- }
- #endif
- } class_SRhdr;
- char *
- hdr_sr::dump()
- {
- static char buf[100];
- dump(buf);
- return (buf);
- }
- void
- hdr_sr::dump(char *buf)
- {
- char *ptr = buf;
- *ptr++ = '[';
- for (int i = 0; i < num_addrs_; i++)
- {
- ptr += sprintf(ptr, "%s%d ",
- (i == cur_addr_) ? "|" : "",
- addrs()[i].addr);
- }
- *ptr++ = ']';
- *ptr = ' ';
- }