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
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
|
/* 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/. */
#ifndef nsAHttpConnection_h__
#define nsAHttpConnection_h__
#include "mozilla/net/DNS.h"
#include "nsHttp.h"
#include "nsISupports.h"
#include "nsAHttpTransaction.h"
#include "Http3WebTransportSession.h"
#include "HttpTrafficAnalyzer.h"
#include "nsIRequest.h"
class nsIAsyncInputStream;
class nsIAsyncOutputStream;
class nsISocketTransport;
class nsITLSSocketControl;
namespace mozilla {
namespace net {
class nsHttpConnectionInfo;
class HttpConnectionBase;
class nsHttpRequestHead;
class nsHttpResponseHead;
//-----------------------------------------------------------------------------
// Abstract base class for a HTTP connection
//-----------------------------------------------------------------------------
// 5a66aed7-eede-468b-ac2b-e5fb431fcc5c
#define NS_AHTTPCONNECTION_IID \
{ \
0x5a66aed7, 0xeede, 0x468b, { \
0xac, 0x2b, 0xe5, 0xfb, 0x43, 0x1f, 0xcc, 0x5c \
} \
}
class nsAHttpConnection : public nsISupports {
public:
NS_DECLARE_STATIC_IID_ACCESSOR(NS_AHTTPCONNECTION_IID)
//-------------------------------------------------------------------------
// NOTE: these methods may only be called on the socket thread.
//-------------------------------------------------------------------------
//
// called by a transaction when the response headers have all been read.
// the connection can force the transaction to reset it's response headers,
// and prepare for a new set of response headers, by setting |*reset=TRUE|.
//
// @return failure code to close the transaction.
//
[[nodiscard]] virtual nsresult OnHeadersAvailable(nsAHttpTransaction*,
nsHttpRequestHead*,
nsHttpResponseHead*,
bool* reset) = 0;
//
// called by a transaction to resume either sending or receiving data
// after a transaction returned NS_BASE_STREAM_WOULD_BLOCK from its
// ReadSegments/WriteSegments methods.
//
[[nodiscard]] virtual nsresult ResumeSend() = 0;
[[nodiscard]] virtual nsresult ResumeRecv() = 0;
// called by a transaction to force a "send/recv from network" iteration
// even if not scheduled by socket associated with connection
[[nodiscard]] virtual nsresult ForceSend() = 0;
[[nodiscard]] virtual nsresult ForceRecv() = 0;
// After a connection has had ResumeSend() called by a transaction,
// and it is ready to write to the network it may need to know the
// transaction that has data to write. This is only an issue for
// multiplexed protocols like SPDY - h1
// implicitly has this information in a 1:1 relationship with the
// transaction(s) they manage.
virtual void TransactionHasDataToWrite(nsAHttpTransaction*) {
// by default do nothing - only multiplexed protocols need to overload
}
// This is the companion to *HasDataToWrite() for the case
// when a gecko caller has called ResumeRecv() after being paused
virtual void TransactionHasDataToRecv(nsAHttpTransaction*) {
// by default do nothing - only multiplexed protocols need to overload
}
// called by the connection manager to close a transaction being processed
// by this connection.
//
// @param transaction
// the transaction being closed.
// @param reason
// the reason for closing the transaction. NS_BASE_STREAM_CLOSED
// is equivalent to NS_OK.
//
virtual void CloseTransaction(nsAHttpTransaction* transaction,
nsresult reason) = 0;
// get a reference to the connection's connection info object.
virtual void GetConnectionInfo(nsHttpConnectionInfo**) = 0;
// get the transport level information for this connection. This may fail
// if it is in use.
[[nodiscard]] virtual nsresult TakeTransport(nsISocketTransport**,
nsIAsyncInputStream**,
nsIAsyncOutputStream**) = 0;
[[nodiscard]] virtual Http3WebTransportSession* GetWebTransportSession(
nsAHttpTransaction* aTransaction) = 0;
// called by a transaction to get the TLS socket control from the socket.
virtual void GetTLSSocketControl(nsITLSSocketControl**) = 0;
// called by a transaction to determine whether or not the connection is
// persistent... important in determining the end of a response.
virtual bool IsPersistent() = 0;
// called to determine or set if a connection has been reused.
virtual bool IsReused() = 0;
virtual void DontReuse() = 0;
// called by a transaction when the transaction reads more from the socket
// than it should have (eg. containing part of the next response).
[[nodiscard]] virtual nsresult PushBack(const char* data,
uint32_t length) = 0;
// Used to determine if the connection wants read events even though
// it has not written out a transaction. Used when a connection has issued
// a preamble such as a proxy ssl CONNECT sequence.
virtual bool IsProxyConnectInProgress() = 0;
// Used by a transaction to manage the state of previous response bodies on
// the same connection and work around buggy servers.
virtual bool LastTransactionExpectedNoContent() = 0;
virtual void SetLastTransactionExpectedNoContent(bool) = 0;
// Transfer the base http connection object along with a
// reference to it to the caller.
virtual already_AddRefed<HttpConnectionBase> TakeHttpConnection() = 0;
// Like TakeHttpConnection() but do not drop our own ref
virtual already_AddRefed<HttpConnectionBase> HttpConnection() = 0;
// Get the nsISocketTransport used by the connection without changing
// references or ownership.
virtual nsISocketTransport* Transport() = 0;
// The number of transaction bytes written out on this HTTP Connection, does
// not count CONNECT tunnel setup
virtual int64_t BytesWritten() = 0;
// Update the callbacks used to provide security info. May be called on
// any thread.
virtual void SetSecurityCallbacks(nsIInterfaceRequestor* aCallbacks) = 0;
// nsHttp.h version
virtual HttpVersion Version() = 0;
// A notification of the current active tab id change.
virtual void CurrentBrowserIdChanged(uint64_t id) = 0;
// categories set by nsHttpTransaction to identify how this connection is
// being used.
virtual void SetTrafficCategory(HttpTrafficCategory) = 0;
virtual nsresult GetSelfAddr(NetAddr* addr) = 0;
virtual nsresult GetPeerAddr(NetAddr* addr) = 0;
virtual bool ResolvedByTRR() = 0;
virtual nsIRequest::TRRMode EffectiveTRRMode() = 0;
virtual nsITRRSkipReason::value TRRSkipReason() = 0;
virtual bool GetEchConfigUsed() = 0;
virtual PRIntervalTime LastWriteTime() = 0;
virtual void SetCloseReason(ConnectionCloseReason aReason) = 0;
};
NS_DEFINE_STATIC_IID_ACCESSOR(nsAHttpConnection, NS_AHTTPCONNECTION_IID)
#define NS_DECL_NSAHTTPCONNECTION(fwdObject) \
[[nodiscard]] nsresult OnHeadersAvailable( \
nsAHttpTransaction*, nsHttpRequestHead*, nsHttpResponseHead*, \
bool* reset) override; \
void CloseTransaction(nsAHttpTransaction*, nsresult) override; \
[[nodiscard]] nsresult TakeTransport( \
nsISocketTransport**, nsIAsyncInputStream**, nsIAsyncOutputStream**) \
override; \
[[nodiscard]] Http3WebTransportSession* GetWebTransportSession( \
nsAHttpTransaction* aTransaction) override; \
bool IsPersistent() override; \
bool IsReused() override; \
void DontReuse() override; \
[[nodiscard]] nsresult PushBack(const char*, uint32_t) override; \
already_AddRefed<HttpConnectionBase> TakeHttpConnection() override; \
already_AddRefed<HttpConnectionBase> HttpConnection() override; \
void CurrentBrowserIdChanged(uint64_t id) override; \
/* \
Thes methods below have automatic definitions that just forward the \
function to a lower level connection object \
*/ \
void GetConnectionInfo(nsHttpConnectionInfo** result) override { \
if (!(fwdObject)) { \
*result = nullptr; \
return; \
} \
return (fwdObject)->GetConnectionInfo(result); \
} \
void GetTLSSocketControl(nsITLSSocketControl** result) override { \
if (!(fwdObject)) { \
*result = nullptr; \
return; \
} \
return (fwdObject)->GetTLSSocketControl(result); \
} \
[[nodiscard]] nsresult ResumeSend() override { \
if (!(fwdObject)) return NS_ERROR_FAILURE; \
return (fwdObject)->ResumeSend(); \
} \
[[nodiscard]] nsresult ResumeRecv() override { \
if (!(fwdObject)) return NS_ERROR_FAILURE; \
return (fwdObject)->ResumeRecv(); \
} \
[[nodiscard]] nsresult ForceSend() override { \
if (!(fwdObject)) return NS_ERROR_FAILURE; \
return (fwdObject)->ForceSend(); \
} \
[[nodiscard]] nsresult ForceRecv() override { \
if (!(fwdObject)) return NS_ERROR_FAILURE; \
return (fwdObject)->ForceRecv(); \
} \
nsISocketTransport* Transport() override { \
if (!(fwdObject)) return nullptr; \
return (fwdObject)->Transport(); \
} \
HttpVersion Version() override { \
return (fwdObject) ? (fwdObject)->Version() \
: mozilla::net::HttpVersion::UNKNOWN; \
} \
bool IsProxyConnectInProgress() override { \
return (!(fwdObject)) ? false : (fwdObject)->IsProxyConnectInProgress(); \
} \
bool LastTransactionExpectedNoContent() override { \
return (!(fwdObject)) ? false \
: (fwdObject)->LastTransactionExpectedNoContent(); \
} \
void SetLastTransactionExpectedNoContent(bool val) override { \
if (fwdObject) (fwdObject)->SetLastTransactionExpectedNoContent(val); \
} \
int64_t BytesWritten() override { \
return (fwdObject) ? (fwdObject)->BytesWritten() : 0; \
} \
void SetSecurityCallbacks(nsIInterfaceRequestor* aCallbacks) override { \
if (fwdObject) (fwdObject)->SetSecurityCallbacks(aCallbacks); \
} \
void SetTrafficCategory(HttpTrafficCategory aCategory) override { \
if (fwdObject) (fwdObject)->SetTrafficCategory(aCategory); \
} \
nsresult GetSelfAddr(NetAddr* addr) override { \
if (!(fwdObject)) return NS_ERROR_FAILURE; \
return (fwdObject)->GetSelfAddr(addr); \
} \
nsresult GetPeerAddr(NetAddr* addr) override { \
if (!(fwdObject)) return NS_ERROR_FAILURE; \
return (fwdObject)->GetPeerAddr(addr); \
} \
bool ResolvedByTRR() override { \
return (!(fwdObject)) ? false : (fwdObject)->ResolvedByTRR(); \
} \
nsIRequest::TRRMode EffectiveTRRMode() override { \
return (!(fwdObject)) ? nsIRequest::TRR_DEFAULT_MODE \
: (fwdObject)->EffectiveTRRMode(); \
} \
nsITRRSkipReason::value TRRSkipReason() override { \
return (!(fwdObject)) ? nsITRRSkipReason::TRR_UNSET \
: (fwdObject)->TRRSkipReason(); \
} \
bool GetEchConfigUsed() override { \
return (!(fwdObject)) ? false : (fwdObject)->GetEchConfigUsed(); \
} \
void SetCloseReason(ConnectionCloseReason aReason) override { \
if (fwdObject) (fwdObject)->SetCloseReason(aReason); \
} \
PRIntervalTime LastWriteTime() override;
// ThrottleResponse deliberately ommited since we want different implementation
// for h1 and h2 connections.
} // namespace net
} // namespace mozilla
#endif // nsAHttpConnection_h__
|
