1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2010-2013 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 79 struct 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 86 int 87 parse_obj_list(cmdline_parse_token_hdr_t *tk, const char *buf, void *res) 88 { 89 struct token_obj_list *tk2 = (struct token_obj_list *)tk; 90 struct token_obj_list_data *tkd = &tk2->obj_list_data; 91 struct object *o; 92 unsigned int token_len = 0; 93 94 if (*buf == 0) 95 return -1; 96 97 while(!cmdline_isendoftoken(buf[token_len])) 98 token_len++; 99 100 SLIST_FOREACH(o, tkd->list, next) { 101 if (token_len != strnlen(o->name, OBJ_NAME_LEN_MAX)) 102 continue; 103 if (strncmp(buf, o->name, token_len)) 104 continue; 105 break; 106 } 107 if (!o) /* not found */ 108 return -1; 109 110 /* store the address of object in structure */ 111 if (res) 112 *(struct object **)res = o; 113 114 return token_len; 115 } 116 117 int complete_get_nb_obj_list(cmdline_parse_token_hdr_t *tk) 118 { 119 struct token_obj_list *tk2 = (struct token_obj_list *)tk; 120 struct token_obj_list_data *tkd = &tk2->obj_list_data; 121 struct object *o; 122 int ret = 0; 123 124 SLIST_FOREACH(o, tkd->list, next) { 125 ret ++; 126 } 127 return ret; 128 } 129 130 int complete_get_elt_obj_list(cmdline_parse_token_hdr_t *tk, 131 int idx, char *dstbuf, unsigned int size) 132 { 133 struct token_obj_list *tk2 = (struct token_obj_list *)tk; 134 struct token_obj_list_data *tkd = &tk2->obj_list_data; 135 struct object *o; 136 int i = 0; 137 unsigned len; 138 139 SLIST_FOREACH(o, tkd->list, next) { 140 if (i++ == idx) 141 break; 142 } 143 if (!o) 144 return -1; 145 146 len = strnlen(o->name, OBJ_NAME_LEN_MAX); 147 if ((len + 1) > size) 148 return -1; 149 150 if (dstbuf) 151 rte_snprintf(dstbuf, size, "%s", o->name); 152 153 return 0; 154 } 155 156 157 int get_help_obj_list(__attribute__((unused)) cmdline_parse_token_hdr_t *tk, 158 char *dstbuf, unsigned int size) 159 { 160 rte_snprintf(dstbuf, size, "Obj-List"); 161 return 0; 162 } 163