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