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/*
* ISO Network functions - iso_net.c
*
* Author: Olivier Dugeon <olivier.dugeon@orange.com>
*
* Copyright (C) 2023 Orange http://www.orange.com
*
* This file is part of Free Range Routing (FRR).
*
* FRR is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2, or (at your option) any
* later version.
*
* FRR 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; see the file COPYING; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "compiler.h"
#include <string.h>
#include <ctype.h>
#include <time.h>
#include "printfrr.h"
#include "iso.h"
/**
* Print ISO System ID as 0000.0000.0000
*
* @param Print buffer
* @param Print argument
* @param Pointer to the System ID to be printed
*
* @return Number of printed characters
*/
printfrr_ext_autoreg_p("SY", printfrr_iso_sysid);
static ssize_t printfrr_iso_sysid(struct fbuf *buf, struct printfrr_eargs *ea,
const void *vptr)
{
const uint8_t *id = vptr;
if (!id)
return bputs(buf, "(null)");
return bprintfrr(buf, "%02x%02x.%02x%02x.%02x%02x",
id[0], id[1], id[2], id[3], id[4], id[5]);
}
/**
* Print ISO Pseudo Node system ID as 0000.0000.0000.00
*
* @param Print buffer
* @param Print argument
* @param Pointer to the System ID to be printed
*
* @return Number of printed characters
*/
printfrr_ext_autoreg_p("PN", printfrr_iso_pseudo);
static ssize_t printfrr_iso_pseudo(struct fbuf *buf, struct printfrr_eargs *ea,
const void *vptr)
{
const uint8_t *id = vptr;
if (!id)
return bputs(buf, "(null)");
return bprintfrr(buf, "%02x%02x.%02x%02x.%02x%02x.%02x",
id[0], id[1], id[2], id[3], id[4], id[5], id[6]);
}
/**
* Print ISO LSP Fragment System ID as 0000.0000.0000.00-00
*
* @param Print buffer
* @param Print argument
* @param Pointer to the System ID to be printed
*
* @return Number of printed characters
*/
printfrr_ext_autoreg_p("LS", printfrr_iso_frag_id);
static ssize_t printfrr_iso_frag_id(struct fbuf *buf, struct printfrr_eargs *ea,
const void *vptr)
{
const uint8_t *id = vptr;
if (!id)
return bputs(buf, "(null)");
return bprintfrr(buf, "%02x%02x.%02x%02x.%02x%02x.%02x-%02x",
id[0], id[1], id[2], id[3], id[4], id[5], id[6],
id[7]);
}
/**
* Print ISO Network address as 00.0000.0000.0000 ... with the System ID
* as 0000.0000.0000.00 when long 'l' option is added to '%pIS'
*
* @param Print buffer
* @param Print argument
* @param Pointer to the ISO Network address
*
* @return Number of printed characters
*/
printfrr_ext_autoreg_p("IS", printfrr_iso_addr);
static ssize_t printfrr_iso_addr(struct fbuf *buf, struct printfrr_eargs *ea,
const void *vptr)
{
const struct iso_address *ia = vptr;
uint8_t len = 0;
int i = 0;
ssize_t ret = 0;
if (ea->fmt[0] == 'l') {
len = 7; /* ISO SYSTEM ID + 1 */
ea->fmt++;
}
if (!ia)
return bputs(buf, "(null)");
len += ia->addr_len;
while (i < len) {
/* No dot for odd index and at the end of address */
if ((i & 1) || (i == (len - 1)))
ret += bprintfrr(buf, "%02x", ia->area_addr[i]);
else
ret += bprintfrr(buf, "%02x.", ia->area_addr[i]);
i++;
}
return ret;
}
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