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 <stdint.h> 64 #include <string.h> 65 #include <stdlib.h> 66 #include <stdarg.h> 67 #include <errno.h> 68 #include <netinet/in.h> 69 #include <termios.h> 70 #ifndef __linux__ 71 #include <net/socket.h> 72 #endif 73 74 #include <cmdline_rdline.h> 75 #include <cmdline_parse.h> 76 #include <cmdline_parse_ipaddr.h> 77 #include <cmdline_parse_num.h> 78 #include <cmdline_parse_string.h> 79 #include <cmdline.h> 80 81 #include <rte_string_fns.h> 82 83 #include "parse_obj_list.h" 84 85 struct object_list global_obj_list; 86 87 /* not defined under linux */ 88 #ifndef NIPQUAD 89 #define NIPQUAD_FMT "%u.%u.%u.%u" 90 #define NIPQUAD(addr) \ 91 (unsigned)((unsigned char *)&addr)[0], \ 92 (unsigned)((unsigned char *)&addr)[1], \ 93 (unsigned)((unsigned char *)&addr)[2], \ 94 (unsigned)((unsigned char *)&addr)[3] 95 #endif 96 97 #ifndef NIP6 98 #define NIP6_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x" 99 #define NIP6(addr) \ 100 (unsigned)((addr).s6_addr[0]), \ 101 (unsigned)((addr).s6_addr[1]), \ 102 (unsigned)((addr).s6_addr[2]), \ 103 (unsigned)((addr).s6_addr[3]), \ 104 (unsigned)((addr).s6_addr[4]), \ 105 (unsigned)((addr).s6_addr[5]), \ 106 (unsigned)((addr).s6_addr[6]), \ 107 (unsigned)((addr).s6_addr[7]), \ 108 (unsigned)((addr).s6_addr[8]), \ 109 (unsigned)((addr).s6_addr[9]), \ 110 (unsigned)((addr).s6_addr[10]), \ 111 (unsigned)((addr).s6_addr[11]), \ 112 (unsigned)((addr).s6_addr[12]), \ 113 (unsigned)((addr).s6_addr[13]), \ 114 (unsigned)((addr).s6_addr[14]), \ 115 (unsigned)((addr).s6_addr[15]) 116 #endif 117 118 119 /**********************************************************/ 120 121 struct cmd_obj_del_show_result { 122 cmdline_fixed_string_t action; 123 struct object *obj; 124 }; 125 126 static void cmd_obj_del_show_parsed(void *parsed_result, 127 struct cmdline *cl, 128 __attribute__((unused)) void *data) 129 { 130 struct cmd_obj_del_show_result *res = parsed_result; 131 char ip_str[INET6_ADDRSTRLEN]; 132 133 if (res->obj->ip.family == AF_INET) 134 rte_snprintf(ip_str, sizeof(ip_str), NIPQUAD_FMT, 135 NIPQUAD(res->obj->ip.addr.ipv4)); 136 else 137 rte_snprintf(ip_str, sizeof(ip_str), NIP6_FMT, 138 NIP6(res->obj->ip.addr.ipv6)); 139 140 if (strcmp(res->action, "del") == 0) { 141 SLIST_REMOVE(&global_obj_list, res->obj, object, next); 142 cmdline_printf(cl, "Object %s removed, ip=%s\n", 143 res->obj->name, ip_str); 144 free(res->obj); 145 } 146 else if (strcmp(res->action, "show") == 0) { 147 cmdline_printf(cl, "Object %s, ip=%s\n", 148 res->obj->name, ip_str); 149 } 150 } 151 152 cmdline_parse_token_string_t cmd_obj_action = 153 TOKEN_STRING_INITIALIZER(struct cmd_obj_del_show_result, 154 action, "show#del"); 155 parse_token_obj_list_t cmd_obj_obj = 156 TOKEN_OBJ_LIST_INITIALIZER(struct cmd_obj_del_show_result, obj, 157 &global_obj_list); 158 159 cmdline_parse_inst_t cmd_obj_del_show = { 160 .f = cmd_obj_del_show_parsed, /* function to call */ 161 .data = NULL, /* 2nd arg of func */ 162 .help_str = "Show/del an object", 163 .tokens = { /* token list, NULL terminated */ 164 (void *)&cmd_obj_action, 165 (void *)&cmd_obj_obj, 166 NULL, 167 }, 168 }; 169 170 /**********************************************************/ 171 172 struct cmd_obj_add_result { 173 cmdline_fixed_string_t action; 174 cmdline_fixed_string_t name; 175 cmdline_ipaddr_t ip; 176 }; 177 178 static void cmd_obj_add_parsed(void *parsed_result, 179 struct cmdline *cl, 180 __attribute__((unused)) void *data) 181 { 182 struct cmd_obj_add_result *res = parsed_result; 183 struct object *o; 184 char ip_str[INET6_ADDRSTRLEN]; 185 186 SLIST_FOREACH(o, &global_obj_list, next) { 187 if (!strcmp(res->name, o->name)) { 188 cmdline_printf(cl, "Object %s already exist\n", res->name); 189 return; 190 } 191 break; 192 } 193 194 o = malloc(sizeof(*o)); 195 if (!o) { 196 cmdline_printf(cl, "mem error\n"); 197 return; 198 } 199 rte_snprintf(o->name, sizeof(o->name), "%s", res->name); 200 o->ip = res->ip; 201 SLIST_INSERT_HEAD(&global_obj_list, o, next); 202 203 if (o->ip.family == AF_INET) 204 rte_snprintf(ip_str, sizeof(ip_str), NIPQUAD_FMT, 205 NIPQUAD(o->ip.addr.ipv4)); 206 else 207 rte_snprintf(ip_str, sizeof(ip_str), NIP6_FMT, 208 NIP6(o->ip.addr.ipv6)); 209 210 cmdline_printf(cl, "Object %s added, ip=%s\n", 211 o->name, ip_str); 212 } 213 214 cmdline_parse_token_string_t cmd_obj_action_add = 215 TOKEN_STRING_INITIALIZER(struct cmd_obj_add_result, action, "add"); 216 cmdline_parse_token_string_t cmd_obj_name = 217 TOKEN_STRING_INITIALIZER(struct cmd_obj_add_result, name, NULL); 218 cmdline_parse_token_ipaddr_t cmd_obj_ip = 219 TOKEN_IPADDR_INITIALIZER(struct cmd_obj_add_result, ip); 220 221 cmdline_parse_inst_t cmd_obj_add = { 222 .f = cmd_obj_add_parsed, /* function to call */ 223 .data = NULL, /* 2nd arg of func */ 224 .help_str = "Add an object (name, val)", 225 .tokens = { /* token list, NULL terminated */ 226 (void *)&cmd_obj_action_add, 227 (void *)&cmd_obj_name, 228 (void *)&cmd_obj_ip, 229 NULL, 230 }, 231 }; 232 233 /**********************************************************/ 234 235 struct cmd_help_result { 236 cmdline_fixed_string_t help; 237 }; 238 239 static void cmd_help_parsed(__attribute__((unused)) void *parsed_result, 240 struct cmdline *cl, 241 __attribute__((unused)) void *data) 242 { 243 cmdline_printf(cl, 244 "Demo example of command line interface in RTE\n\n" 245 "This is a readline-like interface that can be used to\n" 246 "debug your RTE application. It supports some features\n" 247 "of GNU readline like completion, cut/paste, and some\n" 248 "other special bindings.\n\n" 249 "This demo shows how rte_cmdline library can be\n" 250 "extended to handle a list of objects. There are\n" 251 "3 commands:\n" 252 "- add obj_name IP\n" 253 "- del obj_name\n" 254 "- show obj_name\n\n"); 255 } 256 257 cmdline_parse_token_string_t cmd_help_help = 258 TOKEN_STRING_INITIALIZER(struct cmd_help_result, help, "help"); 259 260 cmdline_parse_inst_t cmd_help = { 261 .f = cmd_help_parsed, /* function to call */ 262 .data = NULL, /* 2nd arg of func */ 263 .help_str = "show help", 264 .tokens = { /* token list, NULL terminated */ 265 (void *)&cmd_help_help, 266 NULL, 267 }, 268 }; 269 270 271 /**********************************************************/ 272 /**********************************************************/ 273 /****** CONTEXT (list of instruction) */ 274 275 cmdline_parse_ctx_t main_ctx[] = { 276 (cmdline_parse_inst_t *)&cmd_obj_del_show, 277 (cmdline_parse_inst_t *)&cmd_obj_add, 278 (cmdline_parse_inst_t *)&cmd_help, 279 NULL, 280 }; 281 282