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 * version: DPDK.L.1.2.3-3 34 */ 35 36 /* 37 * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org> 38 * All rights reserved. 39 * Redistribution and use in source and binary forms, with or without 40 * modification, are permitted provided that the following conditions are met: 41 * 42 * * Redistributions of source code must retain the above copyright 43 * notice, this list of conditions and the following disclaimer. 44 * * Redistributions in binary form must reproduce the above copyright 45 * notice, this list of conditions and the following disclaimer in the 46 * documentation and/or other materials provided with the distribution. 47 * * Neither the name of the University of California, Berkeley nor the 48 * names of its contributors may be used to endorse or promote products 49 * derived from this software without specific prior written permission. 50 * 51 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY 52 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 53 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 54 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY 55 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 56 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 57 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 58 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 59 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 60 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 61 */ 62 63 #include <stdio.h> 64 #include <stdint.h> 65 #include <string.h> 66 #include <stdlib.h> 67 #include <stdarg.h> 68 #include <errno.h> 69 #include <netinet/in.h> 70 #include <termios.h> 71 #ifndef __linux__ 72 #include <net/socket.h> 73 #endif 74 75 #include <cmdline_rdline.h> 76 #include <cmdline_parse.h> 77 #include <cmdline_parse_ipaddr.h> 78 #include <cmdline_parse_num.h> 79 #include <cmdline_parse_string.h> 80 #include <cmdline.h> 81 82 #include <rte_string_fns.h> 83 84 #include "parse_obj_list.h" 85 86 struct object_list global_obj_list; 87 88 /* not defined under linux */ 89 #ifndef NIPQUAD 90 #define NIPQUAD_FMT "%u.%u.%u.%u" 91 #define NIPQUAD(addr) \ 92 (unsigned)((unsigned char *)&addr)[0], \ 93 (unsigned)((unsigned char *)&addr)[1], \ 94 (unsigned)((unsigned char *)&addr)[2], \ 95 (unsigned)((unsigned char *)&addr)[3] 96 #endif 97 98 #ifndef NIP6 99 #define NIP6_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x" 100 #define NIP6(addr) \ 101 (unsigned)((addr).s6_addr[0]), \ 102 (unsigned)((addr).s6_addr[1]), \ 103 (unsigned)((addr).s6_addr[2]), \ 104 (unsigned)((addr).s6_addr[3]), \ 105 (unsigned)((addr).s6_addr[4]), \ 106 (unsigned)((addr).s6_addr[5]), \ 107 (unsigned)((addr).s6_addr[6]), \ 108 (unsigned)((addr).s6_addr[7]), \ 109 (unsigned)((addr).s6_addr[8]), \ 110 (unsigned)((addr).s6_addr[9]), \ 111 (unsigned)((addr).s6_addr[10]), \ 112 (unsigned)((addr).s6_addr[11]), \ 113 (unsigned)((addr).s6_addr[12]), \ 114 (unsigned)((addr).s6_addr[13]), \ 115 (unsigned)((addr).s6_addr[14]), \ 116 (unsigned)((addr).s6_addr[15]) 117 #endif 118 119 120 /**********************************************************/ 121 122 struct cmd_obj_del_show_result { 123 cmdline_fixed_string_t action; 124 struct object *obj; 125 }; 126 127 static void cmd_obj_del_show_parsed(void *parsed_result, 128 struct cmdline *cl, 129 __attribute__((unused)) void *data) 130 { 131 struct cmd_obj_del_show_result *res = parsed_result; 132 char ip_str[INET6_ADDRSTRLEN]; 133 134 if (res->obj->ip.family == AF_INET) 135 rte_snprintf(ip_str, sizeof(ip_str), NIPQUAD_FMT, 136 NIPQUAD(res->obj->ip.addr.ipv4)); 137 else 138 rte_snprintf(ip_str, sizeof(ip_str), NIP6_FMT, 139 NIP6(res->obj->ip.addr.ipv6)); 140 141 if (strcmp(res->action, "del") == 0) { 142 SLIST_REMOVE(&global_obj_list, res->obj, object, next); 143 cmdline_printf(cl, "Object %s removed, ip=%s\n", 144 res->obj->name, ip_str); 145 free(res->obj); 146 } 147 else if (strcmp(res->action, "show") == 0) { 148 cmdline_printf(cl, "Object %s, ip=%s\n", 149 res->obj->name, ip_str); 150 } 151 } 152 153 cmdline_parse_token_string_t cmd_obj_action = 154 TOKEN_STRING_INITIALIZER(struct cmd_obj_del_show_result, 155 action, "show#del"); 156 parse_token_obj_list_t cmd_obj_obj = 157 TOKEN_OBJ_LIST_INITIALIZER(struct cmd_obj_del_show_result, obj, 158 &global_obj_list); 159 160 cmdline_parse_inst_t cmd_obj_del_show = { 161 .f = cmd_obj_del_show_parsed, /* function to call */ 162 .data = NULL, /* 2nd arg of func */ 163 .help_str = "Show/del an object", 164 .tokens = { /* token list, NULL terminated */ 165 (void *)&cmd_obj_action, 166 (void *)&cmd_obj_obj, 167 NULL, 168 }, 169 }; 170 171 /**********************************************************/ 172 173 struct cmd_obj_add_result { 174 cmdline_fixed_string_t action; 175 cmdline_fixed_string_t name; 176 cmdline_ipaddr_t ip; 177 }; 178 179 static void cmd_obj_add_parsed(void *parsed_result, 180 struct cmdline *cl, 181 __attribute__((unused)) void *data) 182 { 183 struct cmd_obj_add_result *res = parsed_result; 184 struct object *o; 185 char ip_str[INET6_ADDRSTRLEN]; 186 187 SLIST_FOREACH(o, &global_obj_list, next) { 188 if (!strcmp(res->name, o->name)) { 189 cmdline_printf(cl, "Object %s already exist\n", res->name); 190 return; 191 } 192 break; 193 } 194 195 o = malloc(sizeof(*o)); 196 if (!o) { 197 cmdline_printf(cl, "mem error\n"); 198 return; 199 } 200 rte_snprintf(o->name, sizeof(o->name), "%s", res->name); 201 o->ip = res->ip; 202 SLIST_INSERT_HEAD(&global_obj_list, o, next); 203 204 if (o->ip.family == AF_INET) 205 rte_snprintf(ip_str, sizeof(ip_str), NIPQUAD_FMT, 206 NIPQUAD(o->ip.addr.ipv4)); 207 else 208 rte_snprintf(ip_str, sizeof(ip_str), NIP6_FMT, 209 NIP6(o->ip.addr.ipv6)); 210 211 cmdline_printf(cl, "Object %s added, ip=%s\n", 212 o->name, ip_str); 213 } 214 215 cmdline_parse_token_string_t cmd_obj_action_add = 216 TOKEN_STRING_INITIALIZER(struct cmd_obj_add_result, action, "add"); 217 cmdline_parse_token_string_t cmd_obj_name = 218 TOKEN_STRING_INITIALIZER(struct cmd_obj_add_result, name, NULL); 219 cmdline_parse_token_ipaddr_t cmd_obj_ip = 220 TOKEN_IPADDR_INITIALIZER(struct cmd_obj_add_result, ip); 221 222 cmdline_parse_inst_t cmd_obj_add = { 223 .f = cmd_obj_add_parsed, /* function to call */ 224 .data = NULL, /* 2nd arg of func */ 225 .help_str = "Add an object (name, val)", 226 .tokens = { /* token list, NULL terminated */ 227 (void *)&cmd_obj_action_add, 228 (void *)&cmd_obj_name, 229 (void *)&cmd_obj_ip, 230 NULL, 231 }, 232 }; 233 234 /**********************************************************/ 235 236 struct cmd_help_result { 237 cmdline_fixed_string_t help; 238 }; 239 240 static void cmd_help_parsed(__attribute__((unused)) void *parsed_result, 241 struct cmdline *cl, 242 __attribute__((unused)) void *data) 243 { 244 cmdline_printf(cl, 245 "Demo example of command line interface in RTE\n\n" 246 "This is a readline-like interface that can be used to\n" 247 "debug your RTE application. It supports some features\n" 248 "of GNU readline like completion, cut/paste, and some\n" 249 "other special bindings.\n\n" 250 "This demo shows how rte_cmdline library can be\n" 251 "extended to handle a list of objects. There are\n" 252 "3 commands:\n" 253 "- add obj_name IP\n" 254 "- del obj_name\n" 255 "- show obj_name\n\n"); 256 } 257 258 cmdline_parse_token_string_t cmd_help_help = 259 TOKEN_STRING_INITIALIZER(struct cmd_help_result, help, "help"); 260 261 cmdline_parse_inst_t cmd_help = { 262 .f = cmd_help_parsed, /* function to call */ 263 .data = NULL, /* 2nd arg of func */ 264 .help_str = "show help", 265 .tokens = { /* token list, NULL terminated */ 266 (void *)&cmd_help_help, 267 NULL, 268 }, 269 }; 270 271 272 /**********************************************************/ 273 /**********************************************************/ 274 /****** CONTEXT (list of instruction) */ 275 276 cmdline_parse_ctx_t main_ctx[] = { 277 (cmdline_parse_inst_t *)&cmd_obj_del_show, 278 (cmdline_parse_inst_t *)&cmd_obj_add, 279 (cmdline_parse_inst_t *)&cmd_help, 280 NULL, 281 }; 282 283