blob: a10d5060c063dd67feac701138a023e0f501e772 (
plain)
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
|
// 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/http/http_server_properties.h"
#include "base/logging.h"
#include "base/strings/stringprintf.h"
namespace net {
const char kAlternateProtocolHeader[] = "Alternate-Protocol";
namespace {
// The order of these strings much match the order of the enum definition
// for AlternateProtocol.
const char* const kAlternateProtocolStrings[] = {
"npn-spdy/2",
"npn-spdy/3",
"npn-spdy/3.1",
"npn-spdy/4a2",
"npn-HTTP-draft-04/2.0",
"quic"
};
const char kBrokenAlternateProtocol[] = "Broken";
COMPILE_ASSERT(
arraysize(kAlternateProtocolStrings) == NUM_VALID_ALTERNATE_PROTOCOLS,
kAlternateProtocolStringsSize_kNumValidAlternateProtocols_not_equal);
} // namespace
bool IsAlternateProtocolValid(AlternateProtocol protocol) {
return protocol >= ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION &&
protocol <= ALTERNATE_PROTOCOL_MAXIMUM_VALID_VERSION;
}
const char* AlternateProtocolToString(AlternateProtocol protocol) {
switch (protocol) {
case DEPRECATED_NPN_SPDY_2:
case NPN_SPDY_3:
case NPN_SPDY_3_1:
case NPN_SPDY_4A2:
case NPN_HTTP2_DRAFT_04:
case QUIC:
DCHECK(IsAlternateProtocolValid(protocol));
return kAlternateProtocolStrings[
protocol - ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION];
case ALTERNATE_PROTOCOL_BROKEN:
return kBrokenAlternateProtocol;
case UNINITIALIZED_ALTERNATE_PROTOCOL:
return "Uninitialized";
}
NOTREACHED();
return "";
}
AlternateProtocol AlternateProtocolFromString(const std::string& str) {
for (int i = ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION;
i <= ALTERNATE_PROTOCOL_MAXIMUM_VALID_VERSION; ++i) {
AlternateProtocol protocol = static_cast<AlternateProtocol>(i);
if (str == AlternateProtocolToString(protocol))
return protocol;
}
if (str == kBrokenAlternateProtocol)
return ALTERNATE_PROTOCOL_BROKEN;
return UNINITIALIZED_ALTERNATE_PROTOCOL;
}
AlternateProtocol AlternateProtocolFromNextProto(NextProto next_proto) {
switch (next_proto) {
case kProtoDeprecatedSPDY2:
return DEPRECATED_NPN_SPDY_2;
case kProtoSPDY3:
return NPN_SPDY_3;
case kProtoSPDY31:
return NPN_SPDY_3_1;
case kProtoSPDY4a2:
return NPN_SPDY_4A2;
case kProtoHTTP2Draft04:
return NPN_HTTP2_DRAFT_04;
case kProtoQUIC1SPDY3:
return QUIC;
case kProtoUnknown:
case kProtoHTTP11:
break;
}
NOTREACHED() << "Invalid NextProto: " << next_proto;
return UNINITIALIZED_ALTERNATE_PROTOCOL;
}
std::string PortAlternateProtocolPair::ToString() const {
return base::StringPrintf("%d:%s", port,
AlternateProtocolToString(protocol));
}
} // namespace net
|
