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/*-
* 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.
*/
#include <stdint.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include <inttypes.h>
#include <stdio.h>
#include <termios.h>
#include <errno.h>
#include <sys/queue.h>
#include <rte_common.h>
#include <rte_memory.h>
#include <rte_eal.h>
#include <rte_atomic.h>
#include <rte_branch_prediction.h>
#include <rte_launch.h>
#include <rte_log.h>
#include <rte_per_lcore.h>
#include <rte_lcore.h>
#include <rte_ring.h>
#include <rte_debug.h>
#include <rte_mempool.h>
#include <rte_string_fns.h>
#include <cmdline_rdline.h>
#include <cmdline_parse.h>
#include <cmdline_parse_string.h>
#include <cmdline_socket.h>
#include <cmdline.h>
#include "mp_commands.h"
/**********************************************************/
struct cmd_send_result {
cmdline_fixed_string_t action;
cmdline_fixed_string_t message;
};
static void cmd_send_parsed(void *parsed_result,
__attribute__((unused)) struct cmdline *cl,
__attribute__((unused)) void *data)
{
void *msg = NULL;
struct cmd_send_result *res = parsed_result;
if (rte_mempool_get(message_pool, &msg) < 0)
rte_panic("Failed to get message buffer\n");
snprintf((char *)msg, STR_TOKEN_SIZE, "%s", res->message);
if (rte_ring_enqueue(send_ring, msg) < 0) {
printf("Failed to send message - message discarded\n");
rte_mempool_put(message_pool, msg);
}
}
cmdline_parse_token_string_t cmd_send_action =
TOKEN_STRING_INITIALIZER(struct cmd_send_result, action, "send");
cmdline_parse_token_string_t cmd_send_message =
TOKEN_STRING_INITIALIZER(struct cmd_send_result, message, NULL);
cmdline_parse_inst_t cmd_send = {
.f = cmd_send_parsed, /* function to call */
.data = NULL, /* 2nd arg of func */
.help_str = "send a string to another process",
.tokens = { /* token list, NULL terminated */
(void *)&cmd_send_action,
(void *)&cmd_send_message,
NULL,
},
};
/**********************************************************/
struct cmd_quit_result {
cmdline_fixed_string_t quit;
};
static void cmd_quit_parsed(__attribute__((unused)) void *parsed_result,
struct cmdline *cl,
__attribute__((unused)) void *data)
{
quit = 1;
cmdline_quit(cl);
}
cmdline_parse_token_string_t cmd_quit_quit =
TOKEN_STRING_INITIALIZER(struct cmd_quit_result, quit, "quit");
cmdline_parse_inst_t cmd_quit = {
.f = cmd_quit_parsed, /* function to call */
.data = NULL, /* 2nd arg of func */
.help_str = "close the application",
.tokens = { /* token list, NULL terminated */
(void *)&cmd_quit_quit,
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, "Simple demo example of multi-process in RTE\n\n"
"This is a readline-like interface that can be used to\n"
"send commands to the simple app. Commands supported are:\n\n"
"- send [string]\n" "- help\n" "- quit\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 simple_mp_ctx[] = {
(cmdline_parse_inst_t *)&cmd_send,
(cmdline_parse_inst_t *)&cmd_quit,
(cmdline_parse_inst_t *)&cmd_help,
NULL,
};
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