Imported Upstream version 16.11

[deb_dpdk.git] / examples / ipsec-secgw / parser.h

diff --git a/examples/ipsec-secgw/parser.h b/examples/ipsec-secgw/parser.h
new file mode 100644 (file)
index 0000000..d31ae01
--- /dev/null
+++ b/examples/ipsec-secgw/parser.h
@@ -0,0 +1,116 @@
+/*   BSD LICENSE
+ *
+ *   Copyright(c) 2016 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 <sys/types.h>
+#include <netinet/in.h>
+#include <netinet/ip.h>
+
+#ifndef __PARSER_H
+#define __PARSER_H
+
+struct parse_status {
+       int status;
+       char parse_msg[256];
+};
+
+#define        APP_CHECK(exp, status, fmt, ...)                                \
+do {                                                                   \
+       if (!(exp)) {                                                   \
+               sprintf(status->parse_msg, fmt "\n",                    \
+                       ## __VA_ARGS__);                                \
+               status->status = -1;                                    \
+       } else                                                          \
+               status->status = 0;                                     \
+} while (0)
+
+#define APP_CHECK_PRESENCE(val, str, status)                           \
+       APP_CHECK(val == 0, status,                                     \
+               "item \"%s\" already present", str)
+
+#define APP_CHECK_TOKEN_EQUAL(tokens, index, ref, status)              \
+       APP_CHECK(strcmp(tokens[index], ref) == 0, status,              \
+               "unrecognized input \"%s\": expect \"%s\"\n",           \
+               tokens[index], ref)
+
+static inline int
+is_str_num(const char *str)
+{
+       uint32_t i;
+
+       for (i = 0; i < strlen(str); i++)
+               if (!isdigit(str[i]))
+                       return -1;
+
+       return 0;
+}
+
+#define APP_CHECK_TOKEN_IS_NUM(tokens, index, status)                  \
+       APP_CHECK(is_str_num(tokens[index]) == 0, status,               \
+       "input \"%s\" is not valid number string", tokens[index])
+
+
+#define INCREMENT_TOKEN_INDEX(index, max_num, status)                  \
+do {                                                                   \
+       APP_CHECK(index + 1 < max_num, status, "reaching the end of "   \
+               "the token array");                                     \
+       index++;                                                        \
+} while (0)
+
+int
+parse_ipv4_addr(const char *token, struct in_addr *ipv4, uint32_t *mask);
+
+int
+parse_ipv6_addr(const char *token, struct in6_addr *ipv6, uint32_t *mask);
+
+int
+parse_range(const char *token, uint16_t *low, uint16_t *high);
+
+void
+parse_sp4_tokens(char **tokens, uint32_t n_tokens,
+       struct parse_status *status);
+
+void
+parse_sp6_tokens(char **tokens, uint32_t n_tokens,
+       struct parse_status *status);
+
+void
+parse_sa_tokens(char **tokens, uint32_t n_tokens,
+       struct parse_status *status);
+
+void
+parse_rt_tokens(char **tokens, uint32_t n_tokens,
+       struct parse_status *status);
+
+int
+parse_cfg_file(const char *cfg_filename);
+
+#endif