1/*-
2 *   BSD LICENSE
3 *
4 *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
5 *   All rights reserved.
6 *
7 *   Redistribution and use in source and binary forms, with or without
8 *   modification, are permitted provided that the following conditions
9 *   are met:
10 *
11 *     * Redistributions of source code must retain the above copyright
12 *       notice, this list of conditions and the following disclaimer.
13 *     * Redistributions in binary form must reproduce the above copyright
14 *       notice, this list of conditions and the following disclaimer in
15 *       the documentation and/or other materials provided with the
16 *       distribution.
17 *     * Neither the name of Intel Corporation nor the names of its
18 *       contributors may be used to endorse or promote products derived
19 *       from this software without specific prior written permission.
20 *
21 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24 *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25 *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27 *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34/*
35 * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org>
36 * All rights reserved.
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions are met:
39 *
40 *     * Redistributions of source code must retain the above copyright
41 *       notice, this list of conditions and the following disclaimer.
42 *     * Redistributions in binary form must reproduce the above copyright
43 *       notice, this list of conditions and the following disclaimer in the
44 *       documentation and/or other materials provided with the distribution.
45 *     * Neither the name of the University of California, Berkeley nor the
46 *       names of its contributors may be used to endorse or promote products
47 *       derived from this software without specific prior written permission.
48 *
49 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
50 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
51 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
52 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
53 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
54 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
55 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
56 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
57 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
58 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
59 */
60
61#include <stdio.h>
62#include <inttypes.h>
63#include <stdarg.h>
64#include <errno.h>
65#include <ctype.h>
66#include <string.h>
67#include <netinet/in.h>
68
69#include <cmdline_parse.h>
70#include <cmdline_parse_ipaddr.h>
71
72#include <rte_string_fns.h>
73
74#include "parse_obj_list.h"
75
76/* This file is an example of extension of libcmdline. It provides an
77 * example of objects stored in a list. */
78
79struct cmdline_token_ops token_obj_list_ops = {
80	.parse = parse_obj_list,
81	.complete_get_nb = complete_get_nb_obj_list,
82	.complete_get_elt = complete_get_elt_obj_list,
83	.get_help = get_help_obj_list,
84};
85
86int
87parse_obj_list(cmdline_parse_token_hdr_t *tk, const char *buf, void *res,
88	unsigned ressize)
89{
90	struct token_obj_list *tk2 = (struct token_obj_list *)tk;
91	struct token_obj_list_data *tkd = &tk2->obj_list_data;
92	struct object *o;
93	unsigned int token_len = 0;
94
95	if (*buf == 0)
96		return -1;
97
98	if (res && ressize < sizeof(struct object *))
99		return -1;
100
101	while(!cmdline_isendoftoken(buf[token_len]))
102		token_len++;
103
104	SLIST_FOREACH(o, tkd->list, next) {
105		if (token_len != strnlen(o->name, OBJ_NAME_LEN_MAX))
106			continue;
107		if (strncmp(buf, o->name, token_len))
108			continue;
109		break;
110	}
111	if (!o) /* not found */
112		return -1;
113
114	/* store the address of object in structure */
115	if (res)
116		*(struct object **)res = o;
117
118	return token_len;
119}
120
121int complete_get_nb_obj_list(cmdline_parse_token_hdr_t *tk)
122{
123	struct token_obj_list *tk2 = (struct token_obj_list *)tk;
124	struct token_obj_list_data *tkd = &tk2->obj_list_data;
125	struct object *o;
126	int ret = 0;
127
128	SLIST_FOREACH(o, tkd->list, next) {
129		ret ++;
130	}
131	return ret;
132}
133
134int complete_get_elt_obj_list(cmdline_parse_token_hdr_t *tk,
135			      int idx, char *dstbuf, unsigned int size)
136{
137	struct token_obj_list *tk2 = (struct token_obj_list *)tk;
138	struct token_obj_list_data *tkd = &tk2->obj_list_data;
139	struct object *o;
140	int i = 0;
141	unsigned len;
142
143	SLIST_FOREACH(o, tkd->list, next) {
144		if (i++ == idx)
145			break;
146	}
147	if (!o)
148		return -1;
149
150	len = strnlen(o->name, OBJ_NAME_LEN_MAX);
151	if ((len + 1) > size)
152		return -1;
153
154	if (dstbuf)
155		snprintf(dstbuf, size, "%s", o->name);
156
157	return 0;
158}
159
160
161int get_help_obj_list(__attribute__((unused)) cmdline_parse_token_hdr_t *tk,
162		      char *dstbuf, unsigned int size)
163{
164	snprintf(dstbuf, size, "Obj-List");
165	return 0;
166}
167