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
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et tw=80 : */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// HttpLog.h should generally be included first
#include "HttpLog.h"
#include "mozilla/net/NeckoChannelParams.h" // For HttpActivityArgs.
#include "nsHttp.h"
#include "NullHttpTransaction.h"
#include "nsHttpHandler.h"
#include "nsHttpRequestHead.h"
#include "nsIHttpActivityObserver.h"
#include "nsQueryObject.h"
#include "nsNetUtil.h"
#include "TCPFastOpenLayer.h"
namespace mozilla {
namespace net {
NS_IMPL_ISUPPORTS(NullHttpTransaction, NullHttpTransaction,
nsISupportsWeakReference)
NullHttpTransaction::NullHttpTransaction(nsHttpConnectionInfo* ci,
nsIInterfaceRequestor* callbacks,
uint32_t caps)
: mStatus(NS_OK),
mCaps(caps | NS_HTTP_ALLOW_KEEPALIVE),
mRequestHead(nullptr),
mIsDone(false),
mClaimed(false),
mFastOpenStatus(TFO_NOT_TRIED),
mCallbacks(callbacks),
mConnectionInfo(ci) {
nsresult rv;
mActivityDistributor =
do_GetService(NS_HTTPACTIVITYDISTRIBUTOR_CONTRACTID, &rv);
if (NS_FAILED(rv)) {
return;
}
bool activityDistributorActive;
rv = mActivityDistributor->GetIsActive(&activityDistributorActive);
if (NS_SUCCEEDED(rv) && activityDistributorActive) {
// There are some observers registered at activity distributor.
LOG(
("NulHttpTransaction::NullHttpTransaction() "
"mActivityDistributor is active "
"[this=%p, %s]",
this, ci->GetOrigin().get()));
} else {
// There is no observer, so don't use it.
mActivityDistributor = nullptr;
}
}
NullHttpTransaction::~NullHttpTransaction() {
mCallbacks = nullptr;
delete mRequestHead;
}
bool NullHttpTransaction::Claim() {
if (mClaimed) {
return false;
}
mClaimed = true;
return true;
}
void NullHttpTransaction::Unclaim() { mClaimed = false; }
void NullHttpTransaction::SetConnection(nsAHttpConnection* conn) {
mConnection = conn;
}
nsAHttpConnection* NullHttpTransaction::Connection() {
return mConnection.get();
}
void NullHttpTransaction::GetSecurityCallbacks(nsIInterfaceRequestor** outCB) {
nsCOMPtr<nsIInterfaceRequestor> copyCB(mCallbacks);
*outCB = copyCB.forget().take();
}
void NullHttpTransaction::OnTransportStatus(nsITransport* transport,
nsresult status, int64_t progress) {
if (status == NS_NET_STATUS_RESOLVING_HOST) {
if (mTimings.domainLookupStart.IsNull()) {
mTimings.domainLookupStart = TimeStamp::Now();
}
} else if (status == NS_NET_STATUS_RESOLVED_HOST) {
if (mTimings.domainLookupEnd.IsNull()) {
mTimings.domainLookupEnd = TimeStamp::Now();
}
} else if (status == NS_NET_STATUS_CONNECTING_TO) {
if (mTimings.connectStart.IsNull()) {
mTimings.connectStart = TimeStamp::Now();
}
} else if (status == NS_NET_STATUS_CONNECTED_TO) {
TimeStamp tnow = TimeStamp::Now();
if (mTimings.connectEnd.IsNull()) {
mTimings.connectEnd = tnow;
}
if (mTimings.tcpConnectEnd.IsNull()) {
mTimings.tcpConnectEnd = tnow;
}
// After a socket is connected we know for sure whether data has been
// sent on SYN packet and if not we should update TLS start timing.
if ((mFastOpenStatus != TFO_DATA_SENT) &&
!mTimings.secureConnectionStart.IsNull()) {
mTimings.secureConnectionStart = tnow;
}
} else if (status == NS_NET_STATUS_TLS_HANDSHAKE_STARTING) {
if (mTimings.secureConnectionStart.IsNull()) {
mTimings.secureConnectionStart = TimeStamp::Now();
}
} else if (status == NS_NET_STATUS_TLS_HANDSHAKE_ENDED) {
mTimings.connectEnd = TimeStamp::Now();
;
}
if (mActivityDistributor) {
Unused << mActivityDistributor->ObserveActivityWithArgs(
HttpActivity(mConnectionInfo->GetOrigin(),
mConnectionInfo->OriginPort(),
mConnectionInfo->EndToEndSSL()),
NS_HTTP_ACTIVITY_TYPE_SOCKET_TRANSPORT, static_cast<uint32_t>(status),
PR_Now(), progress, ""_ns);
}
}
bool NullHttpTransaction::IsDone() { return mIsDone; }
nsresult NullHttpTransaction::Status() { return mStatus; }
uint32_t NullHttpTransaction::Caps() { return mCaps; }
nsresult NullHttpTransaction::ReadSegments(nsAHttpSegmentReader* reader,
uint32_t count,
uint32_t* countRead) {
*countRead = 0;
mIsDone = true;
return NS_BASE_STREAM_CLOSED;
}
nsresult NullHttpTransaction::WriteSegments(nsAHttpSegmentWriter* writer,
uint32_t count,
uint32_t* countWritten) {
*countWritten = 0;
return NS_BASE_STREAM_CLOSED;
}
uint32_t NullHttpTransaction::Http1xTransactionCount() { return 0; }
nsHttpRequestHead* NullHttpTransaction::RequestHead() {
// We suport a requesthead at all so that a CONNECT tunnel transaction
// can obtain a Host header from it, but we lazy-popualate that header.
if (!mRequestHead) {
mRequestHead = new nsHttpRequestHead();
nsAutoCString hostHeader;
nsCString host(mConnectionInfo->GetOrigin());
nsresult rv = nsHttpHandler::GenerateHostPort(
host, mConnectionInfo->OriginPort(), hostHeader);
if (NS_SUCCEEDED(rv)) {
rv = mRequestHead->SetHeader(nsHttp::Host, hostHeader);
MOZ_ASSERT(NS_SUCCEEDED(rv));
if (mActivityDistributor) {
// Report request headers.
nsCString reqHeaderBuf;
mRequestHead->Flatten(reqHeaderBuf, false);
Unused << mActivityDistributor->ObserveActivityWithArgs(
HttpActivity(mConnectionInfo->GetOrigin(),
mConnectionInfo->OriginPort(),
mConnectionInfo->EndToEndSSL()),
NS_HTTP_ACTIVITY_TYPE_HTTP_TRANSACTION,
NS_HTTP_ACTIVITY_SUBTYPE_REQUEST_HEADER, PR_Now(), 0, reqHeaderBuf);
}
}
// CONNECT tunnels may also want Proxy-Authorization but that is a lot
// harder to determine, so for now we will let those connections fail in
// the NullHttpTransaction and let them be retried from the pending queue
// with a bound transaction
}
return mRequestHead;
}
nsresult NullHttpTransaction::TakeSubTransactions(
nsTArray<RefPtr<nsAHttpTransaction> >& outTransactions) {
return NS_ERROR_NOT_IMPLEMENTED;
}
void NullHttpTransaction::SetProxyConnectFailed() {}
void NullHttpTransaction::Close(nsresult reason) {
mStatus = reason;
mConnection = nullptr;
mIsDone = true;
if (mActivityDistributor) {
// Report that this transaction is closing.
Unused << mActivityDistributor->ObserveActivityWithArgs(
HttpActivity(mConnectionInfo->GetOrigin(),
mConnectionInfo->OriginPort(),
mConnectionInfo->EndToEndSSL()),
NS_HTTP_ACTIVITY_TYPE_HTTP_TRANSACTION,
NS_HTTP_ACTIVITY_SUBTYPE_TRANSACTION_CLOSE, PR_Now(), 0, ""_ns);
}
}
nsHttpConnectionInfo* NullHttpTransaction::ConnectionInfo() {
return mConnectionInfo;
}
} // namespace net
} // namespace mozilla
|