1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2010-2012 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 /* 36 * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org> 37 * All rights reserved. 38 * Redistribution and use in source and binary forms, with or without 39 * modification, are permitted provided that the following conditions are met: 40 * 41 * * Redistributions of source code must retain the above copyright 42 * notice, this list of conditions and the following disclaimer. 43 * * Redistributions in binary form must reproduce the above copyright 44 * notice, this list of conditions and the following disclaimer in the 45 * documentation and/or other materials provided with the distribution. 46 * * Neither the name of the University of California, Berkeley nor the 47 * names of its contributors may be used to endorse or promote products 48 * derived from this software without specific prior written permission. 49 * 50 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY 51 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 52 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 53 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY 54 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 55 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 56 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 57 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 58 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 59 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 60 */ 61 62 #include <stdio.h> 63 #include <inttypes.h> 64 #include <stdarg.h> 65 #include <errno.h> 66 #include <ctype.h> 67 #include <string.h> 68 #include <netinet/in.h> 69 70 #include <cmdline_parse.h> 71 #include <cmdline_parse_ipaddr.h> 72 73 #include <rte_string_fns.h> 74 75 #include "parse_obj_list.h" 76 77 /* This file is an example of extension of libcmdline. It provides an 78 * example of objects stored in a list. */ 79 80 struct cmdline_token_ops token_obj_list_ops = { 81 .parse = parse_obj_list, 82 .complete_get_nb = complete_get_nb_obj_list, 83 .complete_get_elt = complete_get_elt_obj_list, 84 .get_help = get_help_obj_list, 85 }; 86 87 int 88 parse_obj_list(cmdline_parse_token_hdr_t *tk, const char *buf, void *res) 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 while(!cmdline_isendoftoken(buf[token_len])) 99 token_len++; 100 101 SLIST_FOREACH(o, tkd->list, next) { 102 if (token_len != strnlen(o->name, OBJ_NAME_LEN_MAX)) 103 continue; 104 if (strncmp(buf, o->name, token_len)) 105 continue; 106 break; 107 } 108 if (!o) /* not found */ 109 return -1; 110 111 /* store the address of object in structure */ 112 if (res) 113 *(struct object **)res = o; 114 115 return token_len; 116 } 117 118 int complete_get_nb_obj_list(cmdline_parse_token_hdr_t *tk) 119 { 120 struct token_obj_list *tk2 = (struct token_obj_list *)tk; 121 struct token_obj_list_data *tkd = &tk2->obj_list_data; 122 struct object *o; 123 int ret = 0; 124 125 SLIST_FOREACH(o, tkd->list, next) { 126 ret ++; 127 } 128 return ret; 129 } 130 131 int complete_get_elt_obj_list(cmdline_parse_token_hdr_t *tk, 132 int idx, char *dstbuf, unsigned int size) 133 { 134 struct token_obj_list *tk2 = (struct token_obj_list *)tk; 135 struct token_obj_list_data *tkd = &tk2->obj_list_data; 136 struct object *o; 137 int i = 0; 138 unsigned len; 139 140 SLIST_FOREACH(o, tkd->list, next) { 141 if (i++ == idx) 142 break; 143 } 144 if (!o) 145 return -1; 146 147 len = strnlen(o->name, OBJ_NAME_LEN_MAX); 148 if ((len + 1) > size) 149 return -1; 150 151 if (dstbuf) 152 rte_snprintf(dstbuf, size, "%s", o->name); 153 154 return 0; 155 } 156 157 158 int get_help_obj_list(__attribute__((unused)) cmdline_parse_token_hdr_t *tk, 159 char *dstbuf, unsigned int size) 160 { 161 rte_snprintf(dstbuf, size, "Obj-List"); 162 return 0; 163 } 164