1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/spdy/spdy_test_utils.h"
#include <cstring>
#include <vector>
#include "base/logging.h"
#include "base/memory/scoped_ptr.h"
#include "base/strings/string_number_conversions.h"
#include "base/sys_byteorder.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace net {
namespace test {
std::string HexDumpWithMarks(const unsigned char* data, int length,
const bool* marks, int mark_length) {
static const char kHexChars[] = "0123456789abcdef";
static const int kColumns = 4;
const int kSizeLimit = 1024;
if (length > kSizeLimit || mark_length > kSizeLimit) {
LOG(ERROR) << "Only dumping first " << kSizeLimit << " bytes.";
length = std::min(length, kSizeLimit);
mark_length = std::min(mark_length, kSizeLimit);
}
std::string hex;
for (const unsigned char* row = data; length > 0;
row += kColumns, length -= kColumns) {
for (const unsigned char *p = row; p < row + 4; ++p) {
if (p < row + length) {
const bool mark =
(marks && (p - data) < mark_length && marks[p - data]);
hex += mark ? '*' : ' ';
hex += kHexChars[(*p & 0xf0) >> 4];
hex += kHexChars[*p & 0x0f];
hex += mark ? '*' : ' ';
} else {
hex += " ";
}
}
hex = hex + " ";
for (const unsigned char *p = row; p < row + 4 && p < row + length; ++p)
hex += (*p >= 0x20 && *p <= 0x7f) ? (*p) : '.';
hex = hex + '\n';
}
return hex;
}
void CompareCharArraysWithHexError(
const std::string& description,
const unsigned char* actual,
const int actual_len,
const unsigned char* expected,
const int expected_len) {
const int min_len = std::min(actual_len, expected_len);
const int max_len = std::max(actual_len, expected_len);
scoped_ptr<bool[]> marks(new bool[max_len]);
bool identical = (actual_len == expected_len);
for (int i = 0; i < min_len; ++i) {
if (actual[i] != expected[i]) {
marks[i] = true;
identical = false;
} else {
marks[i] = false;
}
}
for (int i = min_len; i < max_len; ++i) {
marks[i] = true;
}
if (identical) return;
ADD_FAILURE()
<< "Description:\n"
<< description
<< "\n\nExpected:\n"
<< HexDumpWithMarks(expected, expected_len, marks.get(), max_len)
<< "\nActual:\n"
<< HexDumpWithMarks(actual, actual_len, marks.get(), max_len);
}
void SetFrameFlags(SpdyFrame* frame,
uint8 flags,
SpdyMajorVersion spdy_version) {
switch (spdy_version) {
case SPDY2:
case SPDY3:
frame->data()[4] = flags;
break;
case SPDY4:
case SPDY5:
frame->data()[3] = flags;
break;
default:
LOG(FATAL) << "Unsupported SPDY version.";
}
}
void SetFrameLength(SpdyFrame* frame,
size_t length,
SpdyMajorVersion spdy_version) {
switch (spdy_version) {
case SPDY2:
case SPDY3:
CHECK_EQ(0u, length & ~kLengthMask);
{
int32 wire_length = base::HostToNet32(length);
// The length field in SPDY 2 and 3 is a 24-bit (3B) integer starting at
// offset 5.
memcpy(frame->data() + 5, reinterpret_cast<char*>(&wire_length) + 1, 3);
}
break;
case SPDY4:
case SPDY5:
CHECK_GT(1u<<14, length);
{
int32 wire_length = base::HostToNet16(static_cast<uint16>(length));
memcpy(frame->data(),
reinterpret_cast<char*>(&wire_length),
sizeof(uint16));
}
break;
default:
LOG(FATAL) << "Unsupported SPDY version.";
}
}
std::string a2b_hex(const char* hex_data) {
std::vector<uint8> output;
std::string result;
if (base::HexStringToBytes(hex_data, &output))
result.assign(reinterpret_cast<const char*>(&output[0]), output.size());
return result;
}
} // namespace test
} // namespace net
|
