1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2010-2014 Intel Corporation 3 */ 4 #include <stdint.h> 5 #include <string.h> 6 #include <stdlib.h> 7 #include <stdarg.h> 8 #include <inttypes.h> 9 #include <stdio.h> 10 #include <termios.h> 11 #include <errno.h> 12 #include <sys/queue.h> 13 14 #include <rte_common.h> 15 #include <rte_memory.h> 16 #include <rte_eal.h> 17 #include <rte_atomic.h> 18 #include <rte_branch_prediction.h> 19 #include <rte_launch.h> 20 #include <rte_log.h> 21 #include <rte_per_lcore.h> 22 #include <rte_lcore.h> 23 #include <rte_ring.h> 24 #include <rte_debug.h> 25 #include <rte_mempool.h> 26 #include <rte_string_fns.h> 27 28 #include <cmdline_rdline.h> 29 #include <cmdline_parse.h> 30 #include <cmdline_parse_string.h> 31 #include <cmdline_socket.h> 32 #include <cmdline.h> 33 #include "mp_commands.h" 34 35 /**********************************************************/ 36 37 struct cmd_send_result { 38 cmdline_fixed_string_t action; 39 cmdline_fixed_string_t message; 40 }; 41 42 static void cmd_send_parsed(void *parsed_result, 43 __attribute__((unused)) struct cmdline *cl, 44 __attribute__((unused)) void *data) 45 { 46 void *msg = NULL; 47 struct cmd_send_result *res = parsed_result; 48 49 if (rte_mempool_get(message_pool, &msg) < 0) 50 rte_panic("Failed to get message buffer\n"); 51 snprintf((char *)msg, STR_TOKEN_SIZE, "%s", res->message); 52 if (rte_ring_enqueue(send_ring, msg) < 0) { 53 printf("Failed to send message - message discarded\n"); 54 rte_mempool_put(message_pool, msg); 55 } 56 } 57 58 cmdline_parse_token_string_t cmd_send_action = 59 TOKEN_STRING_INITIALIZER(struct cmd_send_result, action, "send"); 60 cmdline_parse_token_string_t cmd_send_message = 61 TOKEN_STRING_INITIALIZER(struct cmd_send_result, message, NULL); 62 63 cmdline_parse_inst_t cmd_send = { 64 .f = cmd_send_parsed, /* function to call */ 65 .data = NULL, /* 2nd arg of func */ 66 .help_str = "send a string to another process", 67 .tokens = { /* token list, NULL terminated */ 68 (void *)&cmd_send_action, 69 (void *)&cmd_send_message, 70 NULL, 71 }, 72 }; 73 74 /**********************************************************/ 75 76 struct cmd_quit_result { 77 cmdline_fixed_string_t quit; 78 }; 79 80 static void cmd_quit_parsed(__attribute__((unused)) void *parsed_result, 81 struct cmdline *cl, 82 __attribute__((unused)) void *data) 83 { 84 quit = 1; 85 cmdline_quit(cl); 86 } 87 88 cmdline_parse_token_string_t cmd_quit_quit = 89 TOKEN_STRING_INITIALIZER(struct cmd_quit_result, quit, "quit"); 90 91 cmdline_parse_inst_t cmd_quit = { 92 .f = cmd_quit_parsed, /* function to call */ 93 .data = NULL, /* 2nd arg of func */ 94 .help_str = "close the application", 95 .tokens = { /* token list, NULL terminated */ 96 (void *)&cmd_quit_quit, 97 NULL, 98 }, 99 }; 100 101 /**********************************************************/ 102 103 struct cmd_help_result { 104 cmdline_fixed_string_t help; 105 }; 106 107 static void cmd_help_parsed(__attribute__((unused)) void *parsed_result, 108 struct cmdline *cl, 109 __attribute__((unused)) void *data) 110 { 111 cmdline_printf(cl, "Simple demo example of multi-process in RTE\n\n" 112 "This is a readline-like interface that can be used to\n" 113 "send commands to the simple app. Commands supported are:\n\n" 114 "- send [string]\n" "- help\n" "- quit\n\n"); 115 } 116 117 cmdline_parse_token_string_t cmd_help_help = 118 TOKEN_STRING_INITIALIZER(struct cmd_help_result, help, "help"); 119 120 cmdline_parse_inst_t cmd_help = { 121 .f = cmd_help_parsed, /* function to call */ 122 .data = NULL, /* 2nd arg of func */ 123 .help_str = "show help", 124 .tokens = { /* token list, NULL terminated */ 125 (void *)&cmd_help_help, 126 NULL, 127 }, 128 }; 129 130 /****** CONTEXT (list of instruction) */ 131 cmdline_parse_ctx_t simple_mp_ctx[] = { 132 (cmdline_parse_inst_t *)&cmd_send, 133 (cmdline_parse_inst_t *)&cmd_quit, 134 (cmdline_parse_inst_t *)&cmd_help, 135 NULL, 136 }; 137