nat: pnat copy and clear byte instructions

Type: feature
Signed-off-by: Ole Troan <ot@cisco.com>
Change-Id: I8e48bdcc4c311717e067bb0a4e0b409a2eb8e83d
Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
Signed-off-by: Ole Troan <ot@cisco.com>

1 files changed, 38 insertions, 0 deletions

diff --git a/src/plugins/nat/pnat/tests/test_genpackets.py b/src/plugins/nat/pnat/tests/test_genpackets.py
new file mode 100755
index 00000000000..9d32d3e3656
--- /dev/null
+++ b/src/plugins/nat/pnat/tests/test_genpackets.py
@@ -0,0 +1,38 @@
+#!/usr/bin/env python3
+
+import sys
+import os
+from importlib.machinery import SourceFileLoader
+from scapy.all import *
+from scapy.contrib.geneve import GENEVE
+
+def hexstring(p):
+    s = bytes(p.__class__(p))
+    return ",".join("0x{:02x}".format(c) for c in s)
+
+def output_test(filename, tests):
+    (name, ext) = os.path.basename(filename).split(".")
+    print('/* DO NOT EDIT: automatically generated by test_genpackets.py */')
+    print('/* clang-format off */')
+    print('test_t tests_{}[] = {{'.format(name))
+
+    for t in tests:
+        print('  {')
+        print('    .name = "{}",'.format(t[0]))
+        print('    .nsend = {},'.format(len(t[1])))
+        print('    .send = (char []){{{}}},'.format(hexstring(t[1])))
+        print('    .nexpect = {},'.format(len(t[2])))
+        print('    .expect = (char []){{{}}},'.format(hexstring(t[2])))
+        print('    .expect_next_index = {}'.format(t[3]))
+        print('  },')
+    print('};')
+    print('/* clang-format on */')
+
+# Read tests from file
+for filename in sys.argv[1:]:
+    with open(filename) as f:
+        content = f.read().replace('\n', '')
+
+    tests = eval(content)
+    output_test(filename, tests)
+