diff options
Diffstat (limited to 'examples/multi_process/simple_mp/mp_commands.c')
| -rw-r--r-- | examples/multi_process/simple_mp/mp_commands.c | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/examples/multi_process/simple_mp/mp_commands.c b/examples/multi_process/simple_mp/mp_commands.c new file mode 100644 index 00000000..8da244bb --- /dev/null +++ b/examples/multi_process/simple_mp/mp_commands.c @@ -0,0 +1,166 @@ +/*- + * 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_memzone.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, string_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, +}; |