X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_cmdline%2Fcmdline_parse_portlist.c;fp=lib%2Flibrte_cmdline%2Fcmdline_parse_portlist.c;h=72b3b912f83d7605880822f348cd557197992f9c;hb=af75078fece3615088e561357c1e97603e43a5fe;hp=0000000000000000000000000000000000000000;hpb=0c9a540ed217764aefc5cb645f3cafd4f9e79765;p=dpdk.git diff --git a/lib/librte_cmdline/cmdline_parse_portlist.c b/lib/librte_cmdline/cmdline_parse_portlist.c new file mode 100644 index 0000000000..72b3b912f8 --- /dev/null +++ b/lib/librte_cmdline/cmdline_parse_portlist.c @@ -0,0 +1,172 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2012 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT + * OWNER 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. + * + * version: DPDK.L.1.2.3-3 + */ + +/* + * Copyright (c) 2010, Keith Wiles + * All rights reserved. + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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. + * * Neither the name of the University of California, Berkeley nor the + * names of its contributors 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 AND 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. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#ifndef __linux__ +#include +#endif + +#include +#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, int low, int 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 int token_len = 0; + char portlist_str[PORTLIST_TOKEN_SIZE+1]; + cmdline_portlist_t *pl = res; + + if (! *buf) + return (-1); + + while (!cmdline_isendoftoken(buf[token_len]) && + (token_len < PORTLIST_TOKEN_SIZE)) + token_len++; + + if (token_len >= PORTLIST_TOKEN_SIZE) + return (-1); + + if (pl == NULL) + return (token_len); + + rte_snprintf(portlist_str, token_len+1, "%s", buf); + + 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(cmdline_parse_token_hdr_t *tk, char *dstbuf, + unsigned int size) +{ + (void)tk; + rte_snprintf(dstbuf, size, "range of ports as 3,4-6,8-19,20"); + return 0; +}