[SAMPLEVNF] Adding UDP Replay VNF

JIRA: SAMPLEVNF-8

This code adds support for UDP Replay which acts as a reflector of all the
UDP packets on the requested port.

Change-Id: If8330580f58c785736e578e815d15d983ce20209
Signed-off-by: Vishwesh M Rudramuni <vishwesh.m.rudramuni@intel.com>
Signed-off-by: Deepak S <deepak.s@linux.intel.com>

1 files changed, 149 insertions, 0 deletions

diff --git a/VNFs/UDP_Replay/parse_obj_list.c b/VNFs/UDP_Replay/parse_obj_list.c
new file mode 100644
index 00000000..2bee97d2
--- /dev/null
+++ b/VNFs/UDP_Replay/parse_obj_list.c
@@ -0,0 +1,149 @@
+/*
+// Copyright (c) 2017 Intel Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+*/
+
+/*
+ * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org>
+ * 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 the University of California, Berkeley 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 REGENTS 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 REGENTS AND 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 <stdio.h>
+#include <inttypes.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <ctype.h>
+#include <string.h>
+#include <netinet/in.h>
+
+#include <cmdline_parse.h>
+#include <cmdline_parse_ipaddr.h>
+
+#include <rte_string_fns.h>
+
+#include "parse_obj_list.h"
+
+/* This file is an example of extension of libcmdline. It provides an
+ * example of objects stored in a list. */
+
+struct cmdline_token_ops token_obj_list_ops = {
+	.parse = parse_obj_list,
+	.complete_get_nb = complete_get_nb_obj_list,
+	.complete_get_elt = complete_get_elt_obj_list,
+	.get_help = get_help_obj_list,
+};
+
+int
+parse_obj_list(cmdline_parse_token_hdr_t *tk, const char *buf, void *res,
+	unsigned ressize)
+{
+	struct token_obj_list *tk2 = (struct token_obj_list *)tk;
+	struct token_obj_list_data *tkd = &tk2->obj_list_data;
+	struct object *o;
+	unsigned int token_len = 0;
+
+	if (*buf == 0)
+		return -1;
+
+	if (res && ressize < sizeof(struct object *))
+		return -1;
+
+	while(!cmdline_isendoftoken(buf[token_len]))
+		token_len++;
+
+	SLIST_FOREACH(o, tkd->list, next) {
+		if (token_len != strnlen(o->name, OBJ_NAME_LEN_MAX))
+			continue;
+		if (strncmp(buf, o->name, token_len))
+			continue;
+		break;
+	}
+	if (!o) /* not found */
+		return -1;
+
+	/* store the address of object in structure */
+	if (res)
+		*(struct object **)res = o;
+
+	return token_len;
+}
+
+int complete_get_nb_obj_list(cmdline_parse_token_hdr_t *tk)
+{
+	struct token_obj_list *tk2 = (struct token_obj_list *)tk;
+	struct token_obj_list_data *tkd = &tk2->obj_list_data;
+	struct object *o;
+	int ret = 0;
+
+	SLIST_FOREACH(o, tkd->list, next) {
+		ret ++;
+	}
+	return ret;
+}
+
+int complete_get_elt_obj_list(cmdline_parse_token_hdr_t *tk,
+			      int idx, char *dstbuf, unsigned int size)
+{
+	struct token_obj_list *tk2 = (struct token_obj_list *)tk;
+	struct token_obj_list_data *tkd = &tk2->obj_list_data;
+	struct object *o;
+	int i = 0;
+	unsigned len;
+
+	SLIST_FOREACH(o, tkd->list, next) {
+		if (i++ == idx)
+			break;
+	}
+	if (!o)
+		return -1;
+
+	len = strnlen(o->name, OBJ_NAME_LEN_MAX);
+	if ((len + 1) > size)
+		return -1;
+
+	if (dstbuf)
+		snprintf(dstbuf, size, "%s", o->name);
+
+	return 0;
+}
+
+
+int get_help_obj_list(__attribute__((unused)) cmdline_parse_token_hdr_t *tk,
+		      char *dstbuf, unsigned int size)
+{
+	snprintf(dstbuf, size, "Obj-List");
+	return 0;
+}