Commit | Line | Data |
---|---|---|
14fedc72 MD |
1 | #!/usr/bin/env python3 |
2 | ||
3 | # Expects either "prepare" or "clean" argument | |
4 | ||
5 | import sys | |
6 | import os | |
7 | ||
8 | def arg_err(): | |
9 | print('Please specify "prepare <SIZE>" or "clean <SIZE>" as first argument.') | |
10 | sys.exit(-1) | |
11 | ||
12 | if (len(sys.argv) <= 1): | |
13 | arg_err() | |
14 | mode = sys.argv[1] | |
15 | if (len(sys.argv) <= 2): | |
16 | arg_err() | |
17 | array_len = int(sys.argv[2]) | |
18 | ||
19 | tracedir_name = './trace-' + str(array_len) + '/' | |
20 | output_metadata = tracedir_name + 'metadata' | |
21 | output_stream = tracedir_name + 'stream' | |
22 | ||
23 | ||
24 | def write_binary(f, arr): | |
25 | f.write(bytes(arr)) | |
26 | ||
27 | def generate_metadata(array_len): | |
28 | # Generate metadata | |
29 | metadata_str = \ | |
30 | ( '/* CTF 1.8 */\n' | |
31 | '\n' | |
32 | 'typealias integer {{ size = 8; align = 8; signed = false; base = 10; }} := uint8_t;\n' | |
33 | 'typealias integer {{ size = 32; align = 32; signed = false; base = hex; }} := uint32_t;\n' | |
34 | '\n' | |
35 | 'trace {{\n' | |
36 | ' major = 0;\n' | |
37 | ' minor = 0;\n' | |
38 | ' uuid = "2a6422d0-6cee-11e0-8c08-cb07d7b3a564";\n' | |
39 | ' byte_order = le;\n' | |
40 | '}};\n' | |
41 | '\n' | |
42 | 'stream {{\n' | |
43 | ' packet.context := struct {{\n' | |
44 | ' uint8_t packet_size; \n' | |
45 | ' }};\n' | |
46 | '}};\n').format(array_len) | |
47 | metadata_f = open(output_metadata, 'w') | |
48 | metadata_f.write(metadata_str) | |
49 | metadata_f.close() | |
50 | ||
51 | def generate_stream(array_len): | |
52 | # Generate stream | |
53 | stream_packet_header = [ | |
54 | 0x8, # packet_size, in bits | |
55 | ] | |
56 | stream_f = open(output_stream, 'wb') | |
57 | # generate trace content filled with 1-byte packets | |
58 | for i in range(array_len): | |
59 | write_binary(stream_f, stream_packet_header) | |
60 | stream_f.close() | |
61 | ||
62 | def test_prepare(): | |
63 | print('Preparing test for many packets length ' + str(array_len) + ' bytes') | |
64 | os.mkdir(tracedir_name) | |
65 | generate_metadata(array_len) | |
66 | generate_stream(array_len) | |
67 | ||
68 | def test_clean(): | |
69 | print('Cleaning up test for many packets length ' + str(array_len) + ' bytes') | |
70 | try: | |
71 | os.remove(output_metadata) | |
72 | except: | |
73 | pass | |
74 | try: | |
75 | os.remove(output_stream) | |
76 | except: | |
77 | pass | |
78 | try: | |
79 | os.rmdir(tracedir_name) | |
80 | except: | |
81 | pass | |
82 | ||
83 | if (mode == "prepare"): | |
84 | test_clean() | |
85 | test_prepare() | |
86 | elif (mode == "clean"): | |
87 | test_clean() | |
88 | else: | |
89 | arg_err() |