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 <stdint.h> 63 #include <string.h> 64 #include <stdlib.h> 65 #include <stdarg.h> 66 #include <errno.h> 67 #include <netinet/in.h> 68 #include <termios.h> 69 #ifndef __linux__ 70 #ifdef __FreeBSD__ 71 #include <sys/socket.h> 72 #else 73 #include <net/socket.h> 74 #endif 75 #endif 76 77 #include <cmdline_rdline.h> 78 #include <cmdline_parse.h> 79 #include <cmdline_parse_ipaddr.h> 80 #include <cmdline_parse_num.h> 81 #include <cmdline_parse_string.h> 82 #include <cmdline.h> 83 84 #include <rte_string_fns.h> 85 86 #include "parse_obj_list.h" 87 88 struct object_list global_obj_list; 89 90 /* not defined under linux */ 91 #ifndef NIPQUAD 92 #define NIPQUAD_FMT "%u.%u.%u.%u" 93 #define NIPQUAD(addr) \ 94 (unsigned)((unsigned char *)&addr)[0], \ 95 (unsigned)((unsigned char *)&addr)[1], \ 96 (unsigned)((unsigned char *)&addr)[2], \ 97 (unsigned)((unsigned char *)&addr)[3] 98 #endif 99 100 #ifndef NIP6 101 #define NIP6_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x" 102 #define NIP6(addr) \ 103 (unsigned)((addr).s6_addr[0]), \ 104 (unsigned)((addr).s6_addr[1]), \ 105 (unsigned)((addr).s6_addr[2]), \ 106 (unsigned)((addr).s6_addr[3]), \ 107 (unsigned)((addr).s6_addr[4]), \ 108 (unsigned)((addr).s6_addr[5]), \ 109 (unsigned)((addr).s6_addr[6]), \ 110 (unsigned)((addr).s6_addr[7]), \ 111 (unsigned)((addr).s6_addr[8]), \ 112 (unsigned)((addr).s6_addr[9]), \ 113 (unsigned)((addr).s6_addr[10]), \ 114 (unsigned)((addr).s6_addr[11]), \ 115 (unsigned)((addr).s6_addr[12]), \ 116 (unsigned)((addr).s6_addr[13]), \ 117 (unsigned)((addr).s6_addr[14]), \ 118 (unsigned)((addr).s6_addr[15]) 119 #endif 120 121 122 /**********************************************************/ 123 124 struct cmd_obj_del_show_result { 125 cmdline_fixed_string_t action; 126 struct object *obj; 127 }; 128 129 static void cmd_obj_del_show_parsed(void *parsed_result, 130 struct cmdline *cl, 131 __attribute__((unused)) void *data) 132 { 133 struct cmd_obj_del_show_result *res = parsed_result; 134 char ip_str[INET6_ADDRSTRLEN]; 135 136 if (res->obj->ip.family == AF_INET) 137 snprintf(ip_str, sizeof(ip_str), NIPQUAD_FMT, 138 NIPQUAD(res->obj->ip.addr.ipv4)); 139 else 140 snprintf(ip_str, sizeof(ip_str), NIP6_FMT, 141 NIP6(res->obj->ip.addr.ipv6)); 142 143 if (strcmp(res->action, "del") == 0) { 144 SLIST_REMOVE(&global_obj_list, res->obj, object, next); 145 cmdline_printf(cl, "Object %s removed, ip=%s\n", 146 res->obj->name, ip_str); 147 free(res->obj); 148 } 149 else if (strcmp(res->action, "show") == 0) { 150 cmdline_printf(cl, "Object %s, ip=%s\n", 151 res->obj->name, ip_str); 152 } 153 } 154 155 cmdline_parse_token_string_t cmd_obj_action = 156 TOKEN_STRING_INITIALIZER(struct cmd_obj_del_show_result, 157 action, "show#del"); 158 parse_token_obj_list_t cmd_obj_obj = 159 TOKEN_OBJ_LIST_INITIALIZER(struct cmd_obj_del_show_result, obj, 160 &global_obj_list); 161 162 cmdline_parse_inst_t cmd_obj_del_show = { 163 .f = cmd_obj_del_show_parsed, /* function to call */ 164 .data = NULL, /* 2nd arg of func */ 165 .help_str = "Show/del an object", 166 .tokens = { /* token list, NULL terminated */ 167 (void *)&cmd_obj_action, 168 (void *)&cmd_obj_obj, 169 NULL, 170 }, 171 }; 172 173 /**********************************************************/ 174 175 struct cmd_obj_add_result { 176 cmdline_fixed_string_t action; 177 cmdline_fixed_string_t name; 178 cmdline_ipaddr_t ip; 179 }; 180 181 static void cmd_obj_add_parsed(void *parsed_result, 182 struct cmdline *cl, 183 __attribute__((unused)) void *data) 184 { 185 struct cmd_obj_add_result *res = parsed_result; 186 struct object *o; 187 char ip_str[INET6_ADDRSTRLEN]; 188 189 SLIST_FOREACH(o, &global_obj_list, next) { 190 if (!strcmp(res->name, o->name)) { 191 cmdline_printf(cl, "Object %s already exist\n", res->name); 192 return; 193 } 194 break; 195 } 196 197 o = malloc(sizeof(*o)); 198 if (!o) { 199 cmdline_printf(cl, "mem error\n"); 200 return; 201 } 202 snprintf(o->name, sizeof(o->name), "%s", res->name); 203 o->ip = res->ip; 204 SLIST_INSERT_HEAD(&global_obj_list, o, next); 205 206 if (o->ip.family == AF_INET) 207 snprintf(ip_str, sizeof(ip_str), NIPQUAD_FMT, 208 NIPQUAD(o->ip.addr.ipv4)); 209 else 210 snprintf(ip_str, sizeof(ip_str), NIP6_FMT, 211 NIP6(o->ip.addr.ipv6)); 212 213 cmdline_printf(cl, "Object %s added, ip=%s\n", 214 o->name, ip_str); 215 } 216 217 cmdline_parse_token_string_t cmd_obj_action_add = 218 TOKEN_STRING_INITIALIZER(struct cmd_obj_add_result, action, "add"); 219 cmdline_parse_token_string_t cmd_obj_name = 220 TOKEN_STRING_INITIALIZER(struct cmd_obj_add_result, name, NULL); 221 cmdline_parse_token_ipaddr_t cmd_obj_ip = 222 TOKEN_IPADDR_INITIALIZER(struct cmd_obj_add_result, ip); 223 224 cmdline_parse_inst_t cmd_obj_add = { 225 .f = cmd_obj_add_parsed, /* function to call */ 226 .data = NULL, /* 2nd arg of func */ 227 .help_str = "Add an object (name, val)", 228 .tokens = { /* token list, NULL terminated */ 229 (void *)&cmd_obj_action_add, 230 (void *)&cmd_obj_name, 231 (void *)&cmd_obj_ip, 232 NULL, 233 }, 234 }; 235 236 /**********************************************************/ 237 238 struct cmd_help_result { 239 cmdline_fixed_string_t help; 240 }; 241 242 static void cmd_help_parsed(__attribute__((unused)) void *parsed_result, 243 struct cmdline *cl, 244 __attribute__((unused)) void *data) 245 { 246 cmdline_printf(cl, 247 "Demo example of command line interface in RTE\n\n" 248 "This is a readline-like interface that can be used to\n" 249 "debug your RTE application. It supports some features\n" 250 "of GNU readline like completion, cut/paste, and some\n" 251 "other special bindings.\n\n" 252 "This demo shows how rte_cmdline library can be\n" 253 "extended to handle a list of objects. There are\n" 254 "3 commands:\n" 255 "- add obj_name IP\n" 256 "- del obj_name\n" 257 "- show obj_name\n\n"); 258 } 259 260 cmdline_parse_token_string_t cmd_help_help = 261 TOKEN_STRING_INITIALIZER(struct cmd_help_result, help, "help"); 262 263 cmdline_parse_inst_t cmd_help = { 264 .f = cmd_help_parsed, /* function to call */ 265 .data = NULL, /* 2nd arg of func */ 266 .help_str = "show help", 267 .tokens = { /* token list, NULL terminated */ 268 (void *)&cmd_help_help, 269 NULL, 270 }, 271 }; 272 273 274 /**********************************************************/ 275 /**********************************************************/ 276 /****** CONTEXT (list of instruction) */ 277 278 cmdline_parse_ctx_t main_ctx[] = { 279 (cmdline_parse_inst_t *)&cmd_obj_del_show, 280 (cmdline_parse_inst_t *)&cmd_obj_add, 281 (cmdline_parse_inst_t *)&cmd_help, 282 NULL, 283 }; 284 285