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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 #ifndef NET_QUIC_QUIC_FRAMER_H_ | 5 #ifndef NET_QUIC_QUIC_FRAMER_H_ |
| 6 #define NET_QUIC_QUIC_FRAMER_H_ | 6 #define NET_QUIC_QUIC_FRAMER_H_ |
| 7 | 7 |
| 8 #include <stddef.h> | 8 #include <stddef.h> |
| 9 #include <stdint.h> | 9 #include <stdint.h> |
| 10 | 10 |
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| 54 // Size in bytes reserved for the number of received packets with timestamps. | 54 // Size in bytes reserved for the number of received packets with timestamps. |
| 55 const size_t kQuicNumTimestampsSize = 1; | 55 const size_t kQuicNumTimestampsSize = 1; |
| 56 // Size in bytes reserved for the number of missing packets in ack frames. | 56 // Size in bytes reserved for the number of missing packets in ack frames. |
| 57 const size_t kNumberOfNackRangesSize = 1; | 57 const size_t kNumberOfNackRangesSize = 1; |
| 58 // Size in bytes reserved for the number of ack blocks in ack frames. | 58 // Size in bytes reserved for the number of ack blocks in ack frames. |
| 59 const size_t kNumberOfAckBlocksSize = 1; | 59 const size_t kNumberOfAckBlocksSize = 1; |
| 60 // Maximum number of missing packet ranges that can fit within an ack frame. | 60 // Maximum number of missing packet ranges that can fit within an ack frame. |
| 61 const size_t kMaxNackRanges = (1 << (kNumberOfNackRangesSize * 8)) - 1; | 61 const size_t kMaxNackRanges = (1 << (kNumberOfNackRangesSize * 8)) - 1; |
| 62 // Maximum number of ack blocks that can fit within an ack frame. | 62 // Maximum number of ack blocks that can fit within an ack frame. |
| 63 const size_t kMaxAckBlocks = (1 << (kNumberOfAckBlocksSize * 8)) - 1; | 63 const size_t kMaxAckBlocks = (1 << (kNumberOfAckBlocksSize * 8)) - 1; |
| 64 // Size in bytes reserved for the number of revived packets in ack frames. | |
| 65 const size_t kNumberOfRevivedPacketsSize = 1; | |
| 66 | 64 |
| 67 // This class receives callbacks from the framer when packets | 65 // This class receives callbacks from the framer when packets |
| 68 // are processed. | 66 // are processed. |
| 69 class NET_EXPORT_PRIVATE QuicFramerVisitorInterface { | 67 class NET_EXPORT_PRIVATE QuicFramerVisitorInterface { |
| 70 public: | 68 public: |
| 71 virtual ~QuicFramerVisitorInterface() {} | 69 virtual ~QuicFramerVisitorInterface() {} |
| 72 | 70 |
| 73 // Called if an error is detected in the QUIC protocol. | 71 // Called if an error is detected in the QUIC protocol. |
| 74 virtual void OnError(QuicFramer* framer) = 0; | 72 virtual void OnError(QuicFramer* framer) = 0; |
| 75 | 73 |
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| 620 QuicTime::Delta last_timestamp_; | 618 QuicTime::Delta last_timestamp_; |
| 621 // The diversification nonce from the last received packet. | 619 // The diversification nonce from the last received packet. |
| 622 DiversificationNonce last_nonce_; | 620 DiversificationNonce last_nonce_; |
| 623 | 621 |
| 624 DISALLOW_COPY_AND_ASSIGN(QuicFramer); | 622 DISALLOW_COPY_AND_ASSIGN(QuicFramer); |
| 625 }; | 623 }; |
| 626 | 624 |
| 627 } // namespace net | 625 } // namespace net |
| 628 | 626 |
| 629 #endif // NET_QUIC_QUIC_FRAMER_H_ | 627 #endif // NET_QUIC_QUIC_FRAMER_H_ |
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