Imported Upstream version 16.04

Change-Id: I77eadcd8538a9122e4773cbe55b24033dc451757
Signed-off-by: C.J. Collier <cjcollier@linuxfoundation.org>

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,
+};