tailq: remove unneeded inclusions
[dpdk.git] / examples / multi_process / simple_mp / mp_commands.c
1 /*-
2  *   BSD LICENSE
3  *
4  *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
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9  *   are met:
10  *
11  *     * Redistributions of source code must retain the above copyright
12  *       notice, this list of conditions and the following disclaimer.
13  *     * Redistributions in binary form must reproduce the above copyright
14  *       notice, this list of conditions and the following disclaimer in
15  *       the documentation and/or other materials provided with the
16  *       distribution.
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18  *       contributors may be used to endorse or promote products derived
19  *       from this software without specific prior written permission.
20  *
21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33 #include <stdint.h>
34 #include <string.h>
35 #include <stdlib.h>
36 #include <stdarg.h>
37 #include <inttypes.h>
38 #include <stdio.h>
39 #include <termios.h>
40 #include <errno.h>
41 #include <sys/queue.h>
42
43 #include <rte_common.h>
44 #include <rte_memory.h>
45 #include <rte_memzone.h>
46 #include <rte_eal.h>
47 #include <rte_atomic.h>
48 #include <rte_branch_prediction.h>
49 #include <rte_launch.h>
50 #include <rte_log.h>
51 #include <rte_per_lcore.h>
52 #include <rte_lcore.h>
53 #include <rte_ring.h>
54 #include <rte_debug.h>
55 #include <rte_mempool.h>
56 #include <rte_string_fns.h>
57
58 #include <cmdline_rdline.h>
59 #include <cmdline_parse.h>
60 #include <cmdline_parse_string.h>
61 #include <cmdline_socket.h>
62 #include <cmdline.h>
63 #include "mp_commands.h"
64
65 /**********************************************************/
66
67 struct cmd_send_result {
68         cmdline_fixed_string_t action;
69         cmdline_fixed_string_t message;
70 };
71
72 static void cmd_send_parsed(void *parsed_result,
73                 __attribute__((unused)) struct cmdline *cl,
74                 __attribute__((unused)) void *data)
75 {
76         void *msg = NULL;
77         struct cmd_send_result *res = parsed_result;
78
79         if (rte_mempool_get(message_pool, &msg) < 0)
80                 rte_panic("Failed to get message buffer\n");
81         snprintf((char *)msg, string_size, "%s", res->message);
82         if (rte_ring_enqueue(send_ring, msg) < 0) {
83                 printf("Failed to send message - message discarded\n");
84                 rte_mempool_put(message_pool, msg);
85         }
86 }
87
88 cmdline_parse_token_string_t cmd_send_action =
89         TOKEN_STRING_INITIALIZER(struct cmd_send_result, action, "send");
90 cmdline_parse_token_string_t cmd_send_message =
91         TOKEN_STRING_INITIALIZER(struct cmd_send_result, message, NULL);
92
93 cmdline_parse_inst_t cmd_send = {
94         .f = cmd_send_parsed,  /* function to call */
95         .data = NULL,      /* 2nd arg of func */
96         .help_str = "send a string to another process",
97         .tokens = {        /* token list, NULL terminated */
98                         (void *)&cmd_send_action,
99                         (void *)&cmd_send_message,
100                         NULL,
101         },
102 };
103
104 /**********************************************************/
105
106 struct cmd_quit_result {
107         cmdline_fixed_string_t quit;
108 };
109
110 static void cmd_quit_parsed(__attribute__((unused)) void *parsed_result,
111                             struct cmdline *cl,
112                             __attribute__((unused)) void *data)
113 {
114         quit = 1;
115         cmdline_quit(cl);
116 }
117
118 cmdline_parse_token_string_t cmd_quit_quit =
119         TOKEN_STRING_INITIALIZER(struct cmd_quit_result, quit, "quit");
120
121 cmdline_parse_inst_t cmd_quit = {
122         .f = cmd_quit_parsed,  /* function to call */
123         .data = NULL,      /* 2nd arg of func */
124         .help_str = "close the application",
125         .tokens = {        /* token list, NULL terminated */
126                 (void *)&cmd_quit_quit,
127                 NULL,
128         },
129 };
130
131 /**********************************************************/
132
133 struct cmd_help_result {
134         cmdline_fixed_string_t help;
135 };
136
137 static void cmd_help_parsed(__attribute__((unused)) void *parsed_result,
138                             struct cmdline *cl,
139                             __attribute__((unused)) void *data)
140 {
141         cmdline_printf(cl, "Simple demo example of multi-process in RTE\n\n"
142                         "This is a readline-like interface that can be used to\n"
143                         "send commands to the simple app. Commands supported are:\n\n"
144                         "- send [string]\n" "- help\n" "- quit\n\n");
145 }
146
147 cmdline_parse_token_string_t cmd_help_help =
148         TOKEN_STRING_INITIALIZER(struct cmd_help_result, help, "help");
149
150 cmdline_parse_inst_t cmd_help = {
151         .f = cmd_help_parsed,  /* function to call */
152         .data = NULL,      /* 2nd arg of func */
153         .help_str = "show help",
154         .tokens = {        /* token list, NULL terminated */
155                 (void *)&cmd_help_help,
156                 NULL,
157         },
158 };
159
160 /****** CONTEXT (list of instruction) */
161 cmdline_parse_ctx_t simple_mp_ctx[] = {
162                 (cmdline_parse_inst_t *)&cmd_send,
163                 (cmdline_parse_inst_t *)&cmd_quit,
164                 (cmdline_parse_inst_t *)&cmd_help,
165         NULL,
166 };