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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2014 Intel Corporation.
* Copyright (c) 2010, Keith Wiles <keith.wiles@windriver.com>
* All rights reserved.
*/
#include <stdio.h>
#include <stdlib.h>
#include <inttypes.h>
#include <ctype.h>
#include <string.h>
#include <errno.h>
#include <stdarg.h>
#include <rte_string_fns.h>
#include "cmdline_parse.h"
#include "cmdline_parse_portlist.h"
struct cmdline_token_ops cmdline_token_portlist_ops = {
.parse = cmdline_parse_portlist,
.complete_get_nb = NULL,
.complete_get_elt = NULL,
.get_help = cmdline_get_help_portlist,
};
static void
parse_set_list(cmdline_portlist_t *pl, size_t low, size_t high)
{
do {
pl->map |= (1 << low++);
} while (low <= high);
}
static int
parse_ports(cmdline_portlist_t *pl, const char *str)
{
size_t ps, pe;
const char *first, *last;
char *end;
for (first = str, last = first;
first != NULL && last != NULL;
first = last + 1) {
last = strchr(first, ',');
errno = 0;
ps = strtoul(first, &end, 10);
if (errno != 0 || end == first ||
(end[0] != '-' && end[0] != 0 && end != last))
return -1;
/* Support for N-M portlist format */
if (end[0] == '-') {
errno = 0;
first = end + 1;
pe = strtoul(first, &end, 10);
if (errno != 0 || end == first ||
(end[0] != 0 && end != last))
return -1;
} else {
pe = ps;
}
if (ps > pe || pe >= sizeof (pl->map) * 8)
return -1;
parse_set_list(pl, ps, pe);
}
return 0;
}
int
cmdline_parse_portlist(__attribute__((unused)) cmdline_parse_token_hdr_t *tk,
const char *buf, void *res, unsigned ressize)
{
unsigned int token_len = 0;
char portlist_str[PORTLIST_TOKEN_SIZE+1];
cmdline_portlist_t *pl;
if (!buf || ! *buf)
return -1;
if (res && ressize < sizeof(cmdline_portlist_t))
return -1;
pl = res;
while (!cmdline_isendoftoken(buf[token_len]) &&
(token_len < PORTLIST_TOKEN_SIZE))
token_len++;
if (token_len >= PORTLIST_TOKEN_SIZE)
return -1;
strlcpy(portlist_str, buf, token_len + 1);
if (pl) {
pl->map = 0;
if (strcmp("all", portlist_str) == 0)
pl->map = UINT32_MAX;
else if (parse_ports(pl, portlist_str) != 0)
return -1;
}
return token_len;
}
int
cmdline_get_help_portlist(__attribute__((unused)) cmdline_parse_token_hdr_t *tk,
char *dstbuf, unsigned int size)
{
int ret;
ret = snprintf(dstbuf, size, "range of ports as 3,4-6,8-19,20");
if (ret < 0)
return -1;
return 0;
}
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