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