#!/usr/bin/env python3
+from ctftestsuite.stress import MetadataTest
-# Expects either "prepare" or "clean" argument
-import sys
-import os
-import struct
+class Test(MetadataTest):
+ what = 'large metadata with {size} extra chars'
-def arg_err():
- print('Please specify "prepare <SIZE>" or "clean <SIZE>" as first argument.')
- sys.exit(-1)
+ def write_metadata(self, f):
+ p1 = '''/* CTF 1.8 */
-if (len(sys.argv) <= 1):
- arg_err()
-mode = sys.argv[1]
-if (len(sys.argv) <= 2):
- arg_err()
-array_len = int(sys.argv[2])
+typealias integer { size = 8; align = 8; signed = false; base = 10; } := uint8_t;
+typealias integer { size = 32; align = 8; signed = false; base = hex; } := uint32_t;
-tracedir_name = './trace-' + str(array_len) + '/'
-output_metadata = tracedir_name + 'metadata'
-output_stream = tracedir_name + 'stream'
+trace {
+ major = 0;
+ minor = 0;
+ uuid = "2a6422d0-6cee-11e0-8c08-cb07d7b3a564";
+ byte_order = le;
+ packet.header := struct {
+ uint32_t magic;
+ uint8_t uuid[16];
+ };
+};
+event {
+ name = myevent;
+ fields := struct {
+ uint8_t f;
+ };
+'''
+ p2 = '\n};\n'
-def write_binary(f, arr):
- f.write(bytes(arr))
+ f.write(p1)
-def generate_metadata(array_len):
- # Generate metadata
- metadata_str1 = \
- ('/* CTF 1.8 */\n'
- '\n'
- 'typealias integer {{ size = 8; align = 8; signed = false; base = 10; }} := uint8_t;\n'
- 'typealias integer {{ size = 32; align = 8; signed = false; base = hex; }} := uint32_t;\n'
- '\n'
- 'trace {{\n'
- ' major = 0;\n'
- ' minor = 0;\n'
- ' uuid = "2a6422d0-6cee-11e0-8c08-cb07d7b3a564";\n'
- ' byte_order = le;\n'
- ' packet.header := struct {{\n'
- ' uint32_t magic;\n'
- ' uint8_t uuid[16];\n'
- ' }};\n'
- '}};\n'
- '\n'
- 'event {{\n'
- ' name = myevent;\n'
- ' fields := struct {{\n'
- ' uint8_t f;\n'
- ' }};\n').format()
+ for i in range(self.size):
+ f.write(' ')
- metadata_char = \
- (' ')
+ f.write(p2)
- metadata_str2 = \
- ('\n'
- '}};\n'
- '\n').format()
- metadata_f = open(output_metadata, 'w')
- metadata_f.write(metadata_str1)
- for i in range(array_len):
- metadata_f.write(metadata_char.format())
- metadata_f.write(metadata_str2)
- metadata_f.close()
-
-def test_prepare():
- print('Preparing test for large metadata ' + str(array_len) + ' chars')
- os.mkdir(tracedir_name)
- generate_metadata(array_len)
-
-def test_clean():
- print('Cleaning up test for large metadata ' + str(array_len) + ' chars')
- try:
- os.remove(output_metadata)
- except:
- pass
- try:
- os.rmdir(tracedir_name)
- except:
- pass
-
-if (mode == "prepare"):
- test_clean()
- test_prepare()
-elif (mode == "clean"):
- test_clean()
-else:
- arg_err()
+if __name__ == '__main__':
+ test = Test()
+ test.main()