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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 // Handles packets for connection_ids in time wait state by discarding the | 5 // Handles packets for connection_ids in time wait state by discarding the |
6 // packet and sending the clients a public reset packet with exponential | 6 // packet and sending the clients a public reset packet with exponential |
7 // backoff. | 7 // backoff. |
8 | 8 |
9 #ifndef NET_TOOLS_QUIC_QUIC_TIME_WAIT_LIST_MANAGER_H_ | 9 #ifndef NET_TOOLS_QUIC_QUIC_TIME_WAIT_LIST_MANAGER_H_ |
10 #define NET_TOOLS_QUIC_QUIC_TIME_WAIT_LIST_MANAGER_H_ | 10 #define NET_TOOLS_QUIC_QUIC_TIME_WAIT_LIST_MANAGER_H_ |
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78 // QuicSessions. | 78 // QuicSessions. |
79 bool IsConnectionIdInTimeWait(QuicConnectionId connection_id) const; | 79 bool IsConnectionIdInTimeWait(QuicConnectionId connection_id) const; |
80 | 80 |
81 // Called when a packet is received for a connection_id that is in time wait | 81 // Called when a packet is received for a connection_id that is in time wait |
82 // state. Sends a public reset packet to the client which sent this | 82 // state. Sends a public reset packet to the client which sent this |
83 // connection_id. Sending of the public reset packet is throttled by using | 83 // connection_id. Sending of the public reset packet is throttled by using |
84 // exponential back off. DCHECKs for the connection_id to be in time wait | 84 // exponential back off. DCHECKs for the connection_id to be in time wait |
85 // state. virtual to override in tests. | 85 // state. virtual to override in tests. |
86 virtual void ProcessPacket(const QuicSocketAddress& server_address, | 86 virtual void ProcessPacket(const QuicSocketAddress& server_address, |
87 const QuicSocketAddress& client_address, | 87 const QuicSocketAddress& client_address, |
88 QuicConnectionId connection_id, | 88 QuicConnectionId connection_id); |
89 const QuicEncryptedPacket& packet); | |
90 | 89 |
91 // Called by the dispatcher when the underlying socket becomes writable again, | 90 // Called by the dispatcher when the underlying socket becomes writable again, |
92 // since we might need to send pending public reset packets which we didn't | 91 // since we might need to send pending public reset packets which we didn't |
93 // send because the underlying socket was write blocked. | 92 // send because the underlying socket was write blocked. |
94 void OnCanWrite() override; | 93 void OnCanWrite() override; |
95 | 94 |
96 // Used to delete connection_id entries that have outlived their time wait | 95 // Used to delete connection_id entries that have outlived their time wait |
97 // period. | 96 // period. |
98 void CleanUpOldConnectionIds(); | 97 void CleanUpOldConnectionIds(); |
99 | 98 |
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203 | 202 |
204 // Interface that manages blocked writers. | 203 // Interface that manages blocked writers. |
205 Visitor* visitor_; | 204 Visitor* visitor_; |
206 | 205 |
207 DISALLOW_COPY_AND_ASSIGN(QuicTimeWaitListManager); | 206 DISALLOW_COPY_AND_ASSIGN(QuicTimeWaitListManager); |
208 }; | 207 }; |
209 | 208 |
210 } // namespace net | 209 } // namespace net |
211 | 210 |
212 #endif // NET_TOOLS_QUIC_QUIC_TIME_WAIT_LIST_MANAGER_H_ | 211 #endif // NET_TOOLS_QUIC_QUIC_TIME_WAIT_LIST_MANAGER_H_ |
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