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Diffstat (limited to 'examples/cmdline/commands.c')
| -rw-r--r-- | examples/cmdline/commands.c | 283 |
1 files changed, 283 insertions, 0 deletions
diff --git a/examples/cmdline/commands.c b/examples/cmdline/commands.c new file mode 100644 index 00000000..f3ba2476 --- /dev/null +++ b/examples/cmdline/commands.c @@ -0,0 +1,283 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org> + * All rights reserved. + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of the University of California, Berkeley nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <stdio.h> +#include <stdint.h> +#include <string.h> +#include <stdlib.h> +#include <stdarg.h> +#include <errno.h> +#include <netinet/in.h> +#include <termios.h> +#ifndef __linux__ + #ifdef __FreeBSD__ + #include <sys/socket.h> + #else + #include <net/socket.h> + #endif +#endif + +#include <cmdline_rdline.h> +#include <cmdline_parse.h> +#include <cmdline_parse_ipaddr.h> +#include <cmdline_parse_num.h> +#include <cmdline_parse_string.h> +#include <cmdline.h> + +#include <rte_string_fns.h> + +#include "parse_obj_list.h" + +struct object_list global_obj_list; + +/* not defined under linux */ +#ifndef NIPQUAD +#define NIPQUAD_FMT "%u.%u.%u.%u" +#define NIPQUAD(addr) \ + (unsigned)((unsigned char *)&addr)[0], \ + (unsigned)((unsigned char *)&addr)[1], \ + (unsigned)((unsigned char *)&addr)[2], \ + (unsigned)((unsigned char *)&addr)[3] +#endif + +#ifndef NIP6 +#define NIP6_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x" +#define NIP6(addr) \ + (unsigned)((addr).s6_addr[0]), \ + (unsigned)((addr).s6_addr[1]), \ + (unsigned)((addr).s6_addr[2]), \ + (unsigned)((addr).s6_addr[3]), \ + (unsigned)((addr).s6_addr[4]), \ + (unsigned)((addr).s6_addr[5]), \ + (unsigned)((addr).s6_addr[6]), \ + (unsigned)((addr).s6_addr[7]), \ + (unsigned)((addr).s6_addr[8]), \ + (unsigned)((addr).s6_addr[9]), \ + (unsigned)((addr).s6_addr[10]), \ + (unsigned)((addr).s6_addr[11]), \ + (unsigned)((addr).s6_addr[12]), \ + (unsigned)((addr).s6_addr[13]), \ + (unsigned)((addr).s6_addr[14]), \ + (unsigned)((addr).s6_addr[15]) +#endif + + +/**********************************************************/ + +struct cmd_obj_del_show_result { + cmdline_fixed_string_t action; + struct object *obj; +}; + +static void cmd_obj_del_show_parsed(void *parsed_result, + struct cmdline *cl, + __attribute__((unused)) void *data) +{ + struct cmd_obj_del_show_result *res = parsed_result; + char ip_str[INET6_ADDRSTRLEN]; + + if (res->obj->ip.family == AF_INET) + snprintf(ip_str, sizeof(ip_str), NIPQUAD_FMT, + NIPQUAD(res->obj->ip.addr.ipv4)); + else + snprintf(ip_str, sizeof(ip_str), NIP6_FMT, + NIP6(res->obj->ip.addr.ipv6)); + + if (strcmp(res->action, "del") == 0) { + SLIST_REMOVE(&global_obj_list, res->obj, object, next); + cmdline_printf(cl, "Object %s removed, ip=%s\n", + res->obj->name, ip_str); + free(res->obj); + } + else if (strcmp(res->action, "show") == 0) { + cmdline_printf(cl, "Object %s, ip=%s\n", + res->obj->name, ip_str); + } +} + +cmdline_parse_token_string_t cmd_obj_action = + TOKEN_STRING_INITIALIZER(struct cmd_obj_del_show_result, + action, "show#del"); +parse_token_obj_list_t cmd_obj_obj = + TOKEN_OBJ_LIST_INITIALIZER(struct cmd_obj_del_show_result, obj, + &global_obj_list); + +cmdline_parse_inst_t cmd_obj_del_show = { + .f = cmd_obj_del_show_parsed, /* function to call */ + .data = NULL, /* 2nd arg of func */ + .help_str = "Show/del an object", + .tokens = { /* token list, NULL terminated */ + (void *)&cmd_obj_action, + (void *)&cmd_obj_obj, + NULL, + }, +}; + +/**********************************************************/ + +struct cmd_obj_add_result { + cmdline_fixed_string_t action; + cmdline_fixed_string_t name; + cmdline_ipaddr_t ip; +}; + +static void cmd_obj_add_parsed(void *parsed_result, + struct cmdline *cl, + __attribute__((unused)) void *data) +{ + struct cmd_obj_add_result *res = parsed_result; + struct object *o; + char ip_str[INET6_ADDRSTRLEN]; + + SLIST_FOREACH(o, &global_obj_list, next) { + if (!strcmp(res->name, o->name)) { + cmdline_printf(cl, "Object %s already exist\n", res->name); + return; + } + break; + } + + o = malloc(sizeof(*o)); + if (!o) { + cmdline_printf(cl, "mem error\n"); + return; + } + snprintf(o->name, sizeof(o->name), "%s", res->name); + o->ip = res->ip; + SLIST_INSERT_HEAD(&global_obj_list, o, next); + + if (o->ip.family == AF_INET) + snprintf(ip_str, sizeof(ip_str), NIPQUAD_FMT, + NIPQUAD(o->ip.addr.ipv4)); + else + snprintf(ip_str, sizeof(ip_str), NIP6_FMT, + NIP6(o->ip.addr.ipv6)); + + cmdline_printf(cl, "Object %s added, ip=%s\n", + o->name, ip_str); +} + +cmdline_parse_token_string_t cmd_obj_action_add = + TOKEN_STRING_INITIALIZER(struct cmd_obj_add_result, action, "add"); +cmdline_parse_token_string_t cmd_obj_name = + TOKEN_STRING_INITIALIZER(struct cmd_obj_add_result, name, NULL); +cmdline_parse_token_ipaddr_t cmd_obj_ip = + TOKEN_IPADDR_INITIALIZER(struct cmd_obj_add_result, ip); + +cmdline_parse_inst_t cmd_obj_add = { + .f = cmd_obj_add_parsed, /* function to call */ + .data = NULL, /* 2nd arg of func */ + .help_str = "Add an object (name, val)", + .tokens = { /* token list, NULL terminated */ + (void *)&cmd_obj_action_add, + (void *)&cmd_obj_name, + (void *)&cmd_obj_ip, + NULL, + }, +}; + +/**********************************************************/ + +struct cmd_help_result { + cmdline_fixed_string_t help; +}; + +static void cmd_help_parsed(__attribute__((unused)) void *parsed_result, + struct cmdline *cl, + __attribute__((unused)) void *data) +{ + cmdline_printf(cl, + "Demo example of command line interface in RTE\n\n" + "This is a readline-like interface that can be used to\n" + "debug your RTE application. It supports some features\n" + "of GNU readline like completion, cut/paste, and some\n" + "other special bindings.\n\n" + "This demo shows how rte_cmdline library can be\n" + "extended to handle a list of objects. There are\n" + "3 commands:\n" + "- add obj_name IP\n" + "- del obj_name\n" + "- show obj_name\n\n"); +} + +cmdline_parse_token_string_t cmd_help_help = + TOKEN_STRING_INITIALIZER(struct cmd_help_result, help, "help"); + +cmdline_parse_inst_t cmd_help = { + .f = cmd_help_parsed, /* function to call */ + .data = NULL, /* 2nd arg of func */ + .help_str = "show help", + .tokens = { /* token list, NULL terminated */ + (void *)&cmd_help_help, + NULL, + }, +}; + + +/**********************************************************/ +/**********************************************************/ +/****** CONTEXT (list of instruction) */ + +cmdline_parse_ctx_t main_ctx[] = { + (cmdline_parse_inst_t *)&cmd_obj_del_show, + (cmdline_parse_inst_t *)&cmd_obj_add, + (cmdline_parse_inst_t *)&cmd_help, + NULL, +}; |