blob: 9bb5c926186ab3c8c7a212326351ad9db2c0c9e5 (
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
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
|
// 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_network_layer.h"
#include "base/logging.h"
#include "base/string_number_conversions.h"
#include "base/string_split.h"
#include "base/string_util.h"
#include "net/http/http_network_session.h"
#include "net/http/http_network_transaction.h"
#include "net/http/http_server_properties_impl.h"
#include "net/spdy/spdy_framer.h"
#include "net/spdy/spdy_session.h"
#include "net/spdy/spdy_session_pool.h"
namespace net {
//-----------------------------------------------------------------------------
HttpNetworkLayer::HttpNetworkLayer(HttpNetworkSession* session)
: session_(session),
suspended_(false) {
DCHECK(session_.get());
}
HttpNetworkLayer::~HttpNetworkLayer() {
}
//-----------------------------------------------------------------------------
// static
HttpTransactionFactory* HttpNetworkLayer::CreateFactory(
HttpNetworkSession* session) {
DCHECK(session);
return new HttpNetworkLayer(session);
}
// static
void HttpNetworkLayer::EnableSpdy(const std::string& mode) {
static const char kOff[] = "off";
static const char kSSL[] = "ssl";
static const char kDisableSSL[] = "no-ssl";
static const char kDisablePing[] = "no-ping";
static const char kExclude[] = "exclude"; // Hosts to exclude
static const char kDisableCompression[] = "no-compress";
static const char kDisableAltProtocols[] = "no-alt-protocols";
static const char kForceAltProtocols[] = "force-alt-protocols";
static const char kSingleDomain[] = "single-domain";
static const char kInitialMaxConcurrentStreams[] = "init-max-streams";
std::vector<std::string> spdy_options;
base::SplitString(mode, ',', &spdy_options);
for (std::vector<std::string>::iterator it = spdy_options.begin();
it != spdy_options.end(); ++it) {
const std::string& element = *it;
std::vector<std::string> name_value;
base::SplitString(element, '=', &name_value);
const std::string& option = name_value[0];
const std::string value = name_value.size() > 1 ? name_value[1] : "";
if (option == kOff) {
HttpStreamFactory::set_spdy_enabled(false);
} else if (option == kDisableSSL) {
SpdySession::set_default_protocol(kProtoSPDY2);
HttpStreamFactory::set_force_spdy_over_ssl(false);
HttpStreamFactory::set_force_spdy_always(true);
} else if (option == kSSL) {
SpdySession::set_default_protocol(kProtoSPDY2);
HttpStreamFactory::set_force_spdy_over_ssl(true);
HttpStreamFactory::set_force_spdy_always(true);
} else if (option == kDisablePing) {
SpdySession::set_enable_ping_based_connection_checking(false);
} else if (option == kExclude) {
HttpStreamFactory::add_forced_spdy_exclusion(value);
} else if (option == kDisableCompression) {
SpdyFramer::set_enable_compression_default(false);
} else if (option == kDisableAltProtocols) {
HttpStreamFactory::set_use_alternate_protocols(false);
} else if (option == kForceAltProtocols) {
PortAlternateProtocolPair pair;
pair.port = 443;
pair.protocol = NPN_SPDY_2;
HttpServerPropertiesImpl::ForceAlternateProtocol(pair);
} else if (option == kSingleDomain) {
SpdySessionPool::ForceSingleDomain();
LOG(ERROR) << "FORCING SINGLE DOMAIN";
} else if (option == kInitialMaxConcurrentStreams) {
int streams;
if (base::StringToInt(value, &streams) && streams > 0)
SpdySession::set_init_max_concurrent_streams(streams);
} else if (option.empty() && it == spdy_options.begin()) {
continue;
} else {
LOG(DFATAL) << "Unrecognized spdy option: " << option;
}
}
}
//-----------------------------------------------------------------------------
int HttpNetworkLayer::CreateTransaction(scoped_ptr<HttpTransaction>* trans) {
if (suspended_)
return ERR_NETWORK_IO_SUSPENDED;
trans->reset(new HttpNetworkTransaction(GetSession()));
return OK;
}
HttpCache* HttpNetworkLayer::GetCache() {
return NULL;
}
HttpNetworkSession* HttpNetworkLayer::GetSession() {
return session_;
}
void HttpNetworkLayer::OnSuspend() {
suspended_ = true;
if (session_)
session_->CloseIdleConnections();
}
void HttpNetworkLayer::OnResume() {
suspended_ = false;
}
} // namespace net
|
