1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2014 Intel Corporation.
3 * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org>
4 * All rights reserved.
5 */
6
7 #include <stdio.h>
8 #include <inttypes.h>
9 #include <errno.h>
10 #include <ctype.h>
11 #include <string.h>
12
13 #include <cmdline_parse.h>
14 #include <cmdline_parse_ipaddr.h>
15
16 #include <rte_string_fns.h>
17
18 #include "parse_obj_list.h"
19
20 /* This file is an example of extension of libcmdline. It provides an
21 * example of objects stored in a list. */
22
23 struct cmdline_token_ops token_obj_list_ops = {
24 .parse = parse_obj_list,
25 .complete_get_nb = complete_get_nb_obj_list,
26 .complete_get_elt = complete_get_elt_obj_list,
27 .get_help = get_help_obj_list,
28 };
29
30 int
parse_obj_list(cmdline_parse_token_hdr_t * tk,const char * buf,void * res,unsigned ressize)31 parse_obj_list(cmdline_parse_token_hdr_t *tk, const char *buf, void *res,
32 unsigned ressize)
33 {
34 struct token_obj_list *tk2 = (struct token_obj_list *)tk;
35 struct token_obj_list_data *tkd = &tk2->obj_list_data;
36 struct object *o;
37 unsigned int token_len = 0;
38
39 if (*buf == 0)
40 return -1;
41
42 if (res && ressize < sizeof(struct object *))
43 return -1;
44
45 while(!cmdline_isendoftoken(buf[token_len]))
46 token_len++;
47
48 SLIST_FOREACH(o, tkd->list, next) {
49 if (token_len != strnlen(o->name, OBJ_NAME_LEN_MAX))
50 continue;
51 if (strncmp(buf, o->name, token_len))
52 continue;
53 break;
54 }
55 if (!o) /* not found */
56 return -1;
57
58 /* store the address of object in structure */
59 if (res)
60 *(struct object **)res = o;
61
62 return token_len;
63 }
64
complete_get_nb_obj_list(cmdline_parse_token_hdr_t * tk)65 int complete_get_nb_obj_list(cmdline_parse_token_hdr_t *tk)
66 {
67 struct token_obj_list *tk2 = (struct token_obj_list *)tk;
68 struct token_obj_list_data *tkd = &tk2->obj_list_data;
69 struct object *o;
70 int ret = 0;
71
72 SLIST_FOREACH(o, tkd->list, next) {
73 ret ++;
74 }
75 return ret;
76 }
77
complete_get_elt_obj_list(cmdline_parse_token_hdr_t * tk,int idx,char * dstbuf,unsigned int size)78 int complete_get_elt_obj_list(cmdline_parse_token_hdr_t *tk,
79 int idx, char *dstbuf, unsigned int size)
80 {
81 struct token_obj_list *tk2 = (struct token_obj_list *)tk;
82 struct token_obj_list_data *tkd = &tk2->obj_list_data;
83 struct object *o;
84 int i = 0;
85 unsigned len;
86
87 SLIST_FOREACH(o, tkd->list, next) {
88 if (i++ == idx)
89 break;
90 }
91 if (!o)
92 return -1;
93
94 len = strnlen(o->name, OBJ_NAME_LEN_MAX);
95 if ((len + 1) > size)
96 return -1;
97
98 if (dstbuf)
99 strlcpy(dstbuf, o->name, size);
100
101 return 0;
102 }
103
104
get_help_obj_list(__rte_unused cmdline_parse_token_hdr_t * tk,char * dstbuf,unsigned int size)105 int get_help_obj_list(__rte_unused cmdline_parse_token_hdr_t *tk,
106 char *dstbuf, unsigned int size)
107 {
108 snprintf(dstbuf, size, "Obj-List");
109 return 0;
110 }
111