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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "net/quic/quic_dispatcher.h" | 5 #include "net/quic/quic_dispatcher.h" |
6 | 6 |
7 #include <errno.h> | 7 #include <errno.h> |
8 | 8 |
9 #include "base/debug/stack_trace.h" | 9 #include "base/debug/stack_trace.h" |
10 #include "base/logging.h" | 10 #include "base/logging.h" |
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21 using base::StringPiece; | 21 using base::StringPiece; |
22 using std::make_pair; | 22 using std::make_pair; |
23 using std::find; | 23 using std::find; |
24 | 24 |
25 class DeleteSessionsAlarm : public QuicAlarm::Delegate { | 25 class DeleteSessionsAlarm : public QuicAlarm::Delegate { |
26 public: | 26 public: |
27 explicit DeleteSessionsAlarm(QuicDispatcher* dispatcher) | 27 explicit DeleteSessionsAlarm(QuicDispatcher* dispatcher) |
28 : dispatcher_(dispatcher) { | 28 : dispatcher_(dispatcher) { |
29 } | 29 } |
30 | 30 |
31 virtual QuicTime OnAlarm() override { | 31 QuicTime OnAlarm() override { |
32 dispatcher_->DeleteSessions(); | 32 dispatcher_->DeleteSessions(); |
33 return QuicTime::Zero(); | 33 return QuicTime::Zero(); |
34 } | 34 } |
35 | 35 |
36 private: | 36 private: |
37 QuicDispatcher* dispatcher_; | 37 QuicDispatcher* dispatcher_; |
38 }; | 38 }; |
39 | 39 |
40 class QuicDispatcher::QuicFramerVisitor : public QuicFramerVisitorInterface { | 40 class QuicDispatcher::QuicFramerVisitor : public QuicFramerVisitorInterface { |
41 public: | 41 public: |
42 explicit QuicFramerVisitor(QuicDispatcher* dispatcher) | 42 explicit QuicFramerVisitor(QuicDispatcher* dispatcher) |
43 : dispatcher_(dispatcher), | 43 : dispatcher_(dispatcher), |
44 connection_id_(0) {} | 44 connection_id_(0) {} |
45 | 45 |
46 // QuicFramerVisitorInterface implementation | 46 // QuicFramerVisitorInterface implementation |
47 virtual void OnPacket() override {} | 47 void OnPacket() override {} |
48 virtual bool OnUnauthenticatedPublicHeader( | 48 bool OnUnauthenticatedPublicHeader( |
49 const QuicPacketPublicHeader& header) override { | 49 const QuicPacketPublicHeader& header) override { |
50 connection_id_ = header.connection_id; | 50 connection_id_ = header.connection_id; |
51 return dispatcher_->OnUnauthenticatedPublicHeader(header); | 51 return dispatcher_->OnUnauthenticatedPublicHeader(header); |
52 } | 52 } |
53 virtual bool OnUnauthenticatedHeader( | 53 bool OnUnauthenticatedHeader(const QuicPacketHeader& header) override { |
54 const QuicPacketHeader& header) override { | |
55 dispatcher_->OnUnauthenticatedHeader(header); | 54 dispatcher_->OnUnauthenticatedHeader(header); |
56 return false; | 55 return false; |
57 } | 56 } |
58 virtual void OnError(QuicFramer* framer) override { | 57 void OnError(QuicFramer* framer) override { |
59 DVLOG(1) << QuicUtils::ErrorToString(framer->error()); | 58 DVLOG(1) << QuicUtils::ErrorToString(framer->error()); |
60 } | 59 } |
61 | 60 |
62 virtual bool OnProtocolVersionMismatch( | 61 bool OnProtocolVersionMismatch(QuicVersion /*received_version*/) override { |
63 QuicVersion /*received_version*/) override { | |
64 if (dispatcher_->time_wait_list_manager()->IsConnectionIdInTimeWait( | 62 if (dispatcher_->time_wait_list_manager()->IsConnectionIdInTimeWait( |
65 connection_id_)) { | 63 connection_id_)) { |
66 // Keep processing after protocol mismatch - this will be dealt with by | 64 // Keep processing after protocol mismatch - this will be dealt with by |
67 // the TimeWaitListManager. | 65 // the TimeWaitListManager. |
68 return true; | 66 return true; |
69 } else { | 67 } else { |
70 DLOG(DFATAL) << "Version mismatch, connection ID (" << connection_id_ | 68 DLOG(DFATAL) << "Version mismatch, connection ID (" << connection_id_ |
71 << ") not in time wait list."; | 69 << ") not in time wait list."; |
72 return false; | 70 return false; |
73 } | 71 } |
74 } | 72 } |
75 | 73 |
76 // The following methods should never get called because we always return | 74 // The following methods should never get called because we always return |
77 // false from OnUnauthenticatedHeader(). As a result, we never process the | 75 // false from OnUnauthenticatedHeader(). As a result, we never process the |
78 // payload of the packet. | 76 // payload of the packet. |
79 virtual void OnPublicResetPacket( | 77 void OnPublicResetPacket(const QuicPublicResetPacket& /*packet*/) override { |
80 const QuicPublicResetPacket& /*packet*/) override { | |
81 DCHECK(false); | 78 DCHECK(false); |
82 } | 79 } |
83 virtual void OnVersionNegotiationPacket( | 80 void OnVersionNegotiationPacket( |
84 const QuicVersionNegotiationPacket& /*packet*/) override { | 81 const QuicVersionNegotiationPacket& /*packet*/) override { |
85 DCHECK(false); | 82 DCHECK(false); |
86 } | 83 } |
87 virtual void OnDecryptedPacket(EncryptionLevel level) override { | 84 void OnDecryptedPacket(EncryptionLevel level) override { DCHECK(false); } |
88 DCHECK(false); | 85 bool OnPacketHeader(const QuicPacketHeader& /*header*/) override { |
89 } | |
90 virtual bool OnPacketHeader(const QuicPacketHeader& /*header*/) override { | |
91 DCHECK(false); | 86 DCHECK(false); |
92 return false; | 87 return false; |
93 } | 88 } |
94 virtual void OnRevivedPacket() override { | 89 void OnRevivedPacket() override { DCHECK(false); } |
| 90 void OnFecProtectedPayload(StringPiece /*payload*/) override { |
95 DCHECK(false); | 91 DCHECK(false); |
96 } | 92 } |
97 virtual void OnFecProtectedPayload(StringPiece /*payload*/) override { | 93 bool OnStreamFrame(const QuicStreamFrame& /*frame*/) override { |
98 DCHECK(false); | |
99 } | |
100 virtual bool OnStreamFrame(const QuicStreamFrame& /*frame*/) override { | |
101 DCHECK(false); | 94 DCHECK(false); |
102 return false; | 95 return false; |
103 } | 96 } |
104 virtual bool OnAckFrame(const QuicAckFrame& /*frame*/) override { | 97 bool OnAckFrame(const QuicAckFrame& /*frame*/) override { |
105 DCHECK(false); | 98 DCHECK(false); |
106 return false; | 99 return false; |
107 } | 100 } |
108 virtual bool OnCongestionFeedbackFrame( | 101 bool OnCongestionFeedbackFrame( |
109 const QuicCongestionFeedbackFrame& /*frame*/) override { | 102 const QuicCongestionFeedbackFrame& /*frame*/) override { |
110 DCHECK(false); | 103 DCHECK(false); |
111 return false; | 104 return false; |
112 } | 105 } |
113 virtual bool OnStopWaitingFrame( | 106 bool OnStopWaitingFrame(const QuicStopWaitingFrame& /*frame*/) override { |
114 const QuicStopWaitingFrame& /*frame*/) override { | |
115 DCHECK(false); | 107 DCHECK(false); |
116 return false; | 108 return false; |
117 } | 109 } |
118 virtual bool OnPingFrame(const QuicPingFrame& /*frame*/) override { | 110 bool OnPingFrame(const QuicPingFrame& /*frame*/) override { |
119 DCHECK(false); | 111 DCHECK(false); |
120 return false; | 112 return false; |
121 } | 113 } |
122 virtual bool OnRstStreamFrame(const QuicRstStreamFrame& /*frame*/) override { | 114 bool OnRstStreamFrame(const QuicRstStreamFrame& /*frame*/) override { |
123 DCHECK(false); | 115 DCHECK(false); |
124 return false; | 116 return false; |
125 } | 117 } |
126 virtual bool OnConnectionCloseFrame( | 118 bool OnConnectionCloseFrame( |
127 const QuicConnectionCloseFrame & /*frame*/) override { | 119 const QuicConnectionCloseFrame& /*frame*/) override { |
128 DCHECK(false); | 120 DCHECK(false); |
129 return false; | 121 return false; |
130 } | 122 } |
131 virtual bool OnGoAwayFrame(const QuicGoAwayFrame& /*frame*/) override { | 123 bool OnGoAwayFrame(const QuicGoAwayFrame& /*frame*/) override { |
132 DCHECK(false); | 124 DCHECK(false); |
133 return false; | 125 return false; |
134 } | 126 } |
135 virtual bool OnWindowUpdateFrame(const QuicWindowUpdateFrame& /*frame*/) | 127 bool OnWindowUpdateFrame(const QuicWindowUpdateFrame& /*frame*/) override { |
136 override { | |
137 DCHECK(false); | 128 DCHECK(false); |
138 return false; | 129 return false; |
139 } | 130 } |
140 virtual bool OnBlockedFrame(const QuicBlockedFrame& frame) override { | 131 bool OnBlockedFrame(const QuicBlockedFrame& frame) override { |
141 DCHECK(false); | 132 DCHECK(false); |
142 return false; | 133 return false; |
143 } | 134 } |
144 virtual void OnFecData(const QuicFecData& /*fec*/) override { | 135 void OnFecData(const QuicFecData& /*fec*/) override { DCHECK(false); } |
145 DCHECK(false); | 136 void OnPacketComplete() override { DCHECK(false); } |
146 } | |
147 virtual void OnPacketComplete() override { | |
148 DCHECK(false); | |
149 } | |
150 | 137 |
151 private: | 138 private: |
152 QuicDispatcher* dispatcher_; | 139 QuicDispatcher* dispatcher_; |
153 | 140 |
154 // Latched in OnUnauthenticatedPublicHeader for use later. | 141 // Latched in OnUnauthenticatedPublicHeader for use later. |
155 QuicConnectionId connection_id_; | 142 QuicConnectionId connection_id_; |
156 }; | 143 }; |
157 | 144 |
158 QuicPacketWriter* QuicDispatcher::DefaultPacketWriterFactory::Create( | 145 QuicPacketWriter* QuicDispatcher::DefaultPacketWriterFactory::Create( |
159 QuicServerPacketWriter* writer, | 146 QuicServerPacketWriter* writer, |
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399 // be parsed correctly. | 386 // be parsed correctly. |
400 framer_.set_version(time_wait_list_manager_->GetQuicVersionFromConnectionId( | 387 framer_.set_version(time_wait_list_manager_->GetQuicVersionFromConnectionId( |
401 header.connection_id)); | 388 header.connection_id)); |
402 | 389 |
403 // Continue parsing the packet to extract the sequence number. Then | 390 // Continue parsing the packet to extract the sequence number. Then |
404 // send it to the time wait manager in OnUnathenticatedHeader. | 391 // send it to the time wait manager in OnUnathenticatedHeader. |
405 return true; | 392 return true; |
406 } | 393 } |
407 | 394 |
408 } // namespace net | 395 } // namespace net |
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