1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2010-2014 Intel Corporation. 3 * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org> 4 * All rights reserved. 5 */ 6 7 #include <stdio.h> 8 #include <stdint.h> 9 #include <string.h> 10 #include <stdlib.h> 11 #include <stdarg.h> 12 #include <errno.h> 13 #include <netinet/in.h> 14 #include <termios.h> 15 #ifndef __linux__ 16 #ifdef __FreeBSD__ 17 #include <sys/socket.h> 18 #else 19 #include <net/socket.h> 20 #endif 21 #endif 22 23 #include <cmdline_rdline.h> 24 #include <cmdline_parse.h> 25 #include <cmdline_parse_ipaddr.h> 26 #include <cmdline_parse_num.h> 27 #include <cmdline_parse_string.h> 28 #include <cmdline.h> 29 30 #include <rte_string_fns.h> 31 32 #include "parse_obj_list.h" 33 34 struct object_list global_obj_list; 35 36 /* not defined under linux */ 37 #ifndef NIPQUAD 38 #define NIPQUAD_FMT "%u.%u.%u.%u" 39 #define NIPQUAD(addr) \ 40 (unsigned)((unsigned char *)&addr)[0], \ 41 (unsigned)((unsigned char *)&addr)[1], \ 42 (unsigned)((unsigned char *)&addr)[2], \ 43 (unsigned)((unsigned char *)&addr)[3] 44 #endif 45 46 #ifndef NIP6 47 #define NIP6_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x" 48 #define NIP6(addr) \ 49 (unsigned)((addr).s6_addr[0]), \ 50 (unsigned)((addr).s6_addr[1]), \ 51 (unsigned)((addr).s6_addr[2]), \ 52 (unsigned)((addr).s6_addr[3]), \ 53 (unsigned)((addr).s6_addr[4]), \ 54 (unsigned)((addr).s6_addr[5]), \ 55 (unsigned)((addr).s6_addr[6]), \ 56 (unsigned)((addr).s6_addr[7]), \ 57 (unsigned)((addr).s6_addr[8]), \ 58 (unsigned)((addr).s6_addr[9]), \ 59 (unsigned)((addr).s6_addr[10]), \ 60 (unsigned)((addr).s6_addr[11]), \ 61 (unsigned)((addr).s6_addr[12]), \ 62 (unsigned)((addr).s6_addr[13]), \ 63 (unsigned)((addr).s6_addr[14]), \ 64 (unsigned)((addr).s6_addr[15]) 65 #endif 66 67 68 /**********************************************************/ 69 70 struct cmd_obj_del_show_result { 71 cmdline_fixed_string_t action; 72 struct object *obj; 73 }; 74 75 static void cmd_obj_del_show_parsed(void *parsed_result, 76 struct cmdline *cl, 77 __attribute__((unused)) void *data) 78 { 79 struct cmd_obj_del_show_result *res = parsed_result; 80 char ip_str[INET6_ADDRSTRLEN]; 81 82 if (res->obj->ip.family == AF_INET) 83 snprintf(ip_str, sizeof(ip_str), NIPQUAD_FMT, 84 NIPQUAD(res->obj->ip.addr.ipv4)); 85 else 86 snprintf(ip_str, sizeof(ip_str), NIP6_FMT, 87 NIP6(res->obj->ip.addr.ipv6)); 88 89 if (strcmp(res->action, "del") == 0) { 90 SLIST_REMOVE(&global_obj_list, res->obj, object, next); 91 cmdline_printf(cl, "Object %s removed, ip=%s\n", 92 res->obj->name, ip_str); 93 free(res->obj); 94 } 95 else if (strcmp(res->action, "show") == 0) { 96 cmdline_printf(cl, "Object %s, ip=%s\n", 97 res->obj->name, ip_str); 98 } 99 } 100 101 cmdline_parse_token_string_t cmd_obj_action = 102 TOKEN_STRING_INITIALIZER(struct cmd_obj_del_show_result, 103 action, "show#del"); 104 parse_token_obj_list_t cmd_obj_obj = 105 TOKEN_OBJ_LIST_INITIALIZER(struct cmd_obj_del_show_result, obj, 106 &global_obj_list); 107 108 cmdline_parse_inst_t cmd_obj_del_show = { 109 .f = cmd_obj_del_show_parsed, /* function to call */ 110 .data = NULL, /* 2nd arg of func */ 111 .help_str = "Show/del an object", 112 .tokens = { /* token list, NULL terminated */ 113 (void *)&cmd_obj_action, 114 (void *)&cmd_obj_obj, 115 NULL, 116 }, 117 }; 118 119 /**********************************************************/ 120 121 struct cmd_obj_add_result { 122 cmdline_fixed_string_t action; 123 cmdline_fixed_string_t name; 124 cmdline_ipaddr_t ip; 125 }; 126 127 static void cmd_obj_add_parsed(void *parsed_result, 128 struct cmdline *cl, 129 __attribute__((unused)) void *data) 130 { 131 struct cmd_obj_add_result *res = parsed_result; 132 struct object *o; 133 char ip_str[INET6_ADDRSTRLEN]; 134 135 SLIST_FOREACH(o, &global_obj_list, next) { 136 if (!strcmp(res->name, o->name)) { 137 cmdline_printf(cl, "Object %s already exist\n", res->name); 138 return; 139 } 140 break; 141 } 142 143 o = malloc(sizeof(*o)); 144 if (!o) { 145 cmdline_printf(cl, "mem error\n"); 146 return; 147 } 148 strlcpy(o->name, res->name, sizeof(o->name)); 149 o->ip = res->ip; 150 SLIST_INSERT_HEAD(&global_obj_list, o, next); 151 152 if (o->ip.family == AF_INET) 153 snprintf(ip_str, sizeof(ip_str), NIPQUAD_FMT, 154 NIPQUAD(o->ip.addr.ipv4)); 155 else 156 snprintf(ip_str, sizeof(ip_str), NIP6_FMT, 157 NIP6(o->ip.addr.ipv6)); 158 159 cmdline_printf(cl, "Object %s added, ip=%s\n", 160 o->name, ip_str); 161 } 162 163 cmdline_parse_token_string_t cmd_obj_action_add = 164 TOKEN_STRING_INITIALIZER(struct cmd_obj_add_result, action, "add"); 165 cmdline_parse_token_string_t cmd_obj_name = 166 TOKEN_STRING_INITIALIZER(struct cmd_obj_add_result, name, NULL); 167 cmdline_parse_token_ipaddr_t cmd_obj_ip = 168 TOKEN_IPADDR_INITIALIZER(struct cmd_obj_add_result, ip); 169 170 cmdline_parse_inst_t cmd_obj_add = { 171 .f = cmd_obj_add_parsed, /* function to call */ 172 .data = NULL, /* 2nd arg of func */ 173 .help_str = "Add an object (name, val)", 174 .tokens = { /* token list, NULL terminated */ 175 (void *)&cmd_obj_action_add, 176 (void *)&cmd_obj_name, 177 (void *)&cmd_obj_ip, 178 NULL, 179 }, 180 }; 181 182 /**********************************************************/ 183 184 struct cmd_help_result { 185 cmdline_fixed_string_t help; 186 }; 187 188 static void cmd_help_parsed(__attribute__((unused)) void *parsed_result, 189 struct cmdline *cl, 190 __attribute__((unused)) void *data) 191 { 192 cmdline_printf(cl, 193 "Demo example of command line interface in RTE\n\n" 194 "This is a readline-like interface that can be used to\n" 195 "debug your RTE application. It supports some features\n" 196 "of GNU readline like completion, cut/paste, and some\n" 197 "other special bindings.\n\n" 198 "This demo shows how rte_cmdline library can be\n" 199 "extended to handle a list of objects. There are\n" 200 "3 commands:\n" 201 "- add obj_name IP\n" 202 "- del obj_name\n" 203 "- show obj_name\n\n"); 204 } 205 206 cmdline_parse_token_string_t cmd_help_help = 207 TOKEN_STRING_INITIALIZER(struct cmd_help_result, help, "help"); 208 209 cmdline_parse_inst_t cmd_help = { 210 .f = cmd_help_parsed, /* function to call */ 211 .data = NULL, /* 2nd arg of func */ 212 .help_str = "show help", 213 .tokens = { /* token list, NULL terminated */ 214 (void *)&cmd_help_help, 215 NULL, 216 }, 217 }; 218 219 220 /**********************************************************/ 221 /**********************************************************/ 222 /****** CONTEXT (list of instruction) */ 223 224 cmdline_parse_ctx_t main_ctx[] = { 225 (cmdline_parse_inst_t *)&cmd_obj_del_show, 226 (cmdline_parse_inst_t *)&cmd_obj_add, 227 (cmdline_parse_inst_t *)&cmd_help, 228 NULL, 229 }; 230