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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 // A class to read incoming QUIC packets from the UDP socket. | 5 // A class to read incoming QUIC packets from the UDP socket. | 
| 6 | 6 | 
| 7 #ifndef NET_TOOLS_QUIC_QUIC_PACKET_READER_H_ | 7 #ifndef NET_TOOLS_QUIC_QUIC_PACKET_READER_H_ | 
| 8 #define NET_TOOLS_QUIC_QUIC_PACKET_READER_H_ | 8 #define NET_TOOLS_QUIC_QUIC_PACKET_READER_H_ | 
| 9 | 9 | 
| 10 #include <netinet/in.h> | 10 #include <netinet/in.h> | 
| 11 #include <sys/socket.h> | 11 #include <sys/socket.h> | 
| 12 | 12 | 
| 13 #include "base/basictypes.h" | 13 #include "base/macros.h" | 
| 14 #include "net/quic/quic_protocol.h" | 14 #include "net/quic/quic_protocol.h" | 
| 15 | 15 | 
| 16 namespace net { | 16 namespace net { | 
| 17 | 17 | 
| 18 namespace tools { | 18 namespace tools { | 
| 19 | 19 | 
| 20 // Read in larger batches to minimize recvmmsg overhead. | 20 // Read in larger batches to minimize recvmmsg overhead. | 
| 21 const int kNumPacketsPerReadMmsgCall = 16; | 21 const int kNumPacketsPerReadMmsgCall = 16; | 
| 22 // Allocate space for in6_pktinfo as it's larger than in_pktinfo | 22 // Allocate space for in6_pktinfo as it's larger than in_pktinfo | 
| 23 const int kSpaceForOverflowAndIp = | 23 const int kSpaceForOverflowAndIp = | 
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| 69   // call on the packets. | 69   // call on the packets. | 
| 70   struct sockaddr_storage raw_address_[kNumPacketsPerReadMmsgCall]; | 70   struct sockaddr_storage raw_address_[kNumPacketsPerReadMmsgCall]; | 
| 71 | 71 | 
| 72   DISALLOW_COPY_AND_ASSIGN(QuicPacketReader); | 72   DISALLOW_COPY_AND_ASSIGN(QuicPacketReader); | 
| 73 }; | 73 }; | 
| 74 | 74 | 
| 75 }  // namespace tools | 75 }  // namespace tools | 
| 76 }  // namespace net | 76 }  // namespace net | 
| 77 | 77 | 
| 78 #endif  // NET_TOOLS_QUIC_QUIC_PACKET_READER_H_ | 78 #endif  // NET_TOOLS_QUIC_QUIC_PACKET_READER_H_ | 
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