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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 // Responsible for generating packets on behalf of a QuicConnection. | 5 // Responsible for generating packets on behalf of a QuicConnection. |
| 6 // Packets are serialized just-in-time. Control frames are queued. | 6 // Packets are serialized just-in-time. Control frames are queued. |
| 7 // Ack and Feedback frames will be requested from the Connection | 7 // Ack and Feedback frames will be requested from the Connection |
| 8 // just-in-time. When a packet needs to be sent, the Generator | 8 // just-in-time. When a packet needs to be sent, the Generator |
| 9 // will serialize a packet and pass it to QuicConnection::SendOrQueuePacket() | 9 // will serialize a packet and pass it to QuicConnection::SendOrQueuePacket() |
| 10 // | 10 // |
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| 39 | 39 |
| 40 #ifndef NET_QUIC_CORE_QUIC_PACKET_GENERATOR_H_ | 40 #ifndef NET_QUIC_CORE_QUIC_PACKET_GENERATOR_H_ |
| 41 #define NET_QUIC_CORE_QUIC_PACKET_GENERATOR_H_ | 41 #define NET_QUIC_CORE_QUIC_PACKET_GENERATOR_H_ |
| 42 | 42 |
| 43 #include <stddef.h> | 43 #include <stddef.h> |
| 44 #include <stdint.h> | 44 #include <stdint.h> |
| 45 | 45 |
| 46 #include <list> | 46 #include <list> |
| 47 | 47 |
| 48 #include "base/macros.h" | 48 #include "base/macros.h" |
| 49 #include "net/base/net_export.h" | |
| 50 #include "net/quic/core/quic_packet_creator.h" | 49 #include "net/quic/core/quic_packet_creator.h" |
| 51 #include "net/quic/core/quic_pending_retransmission.h" | 50 #include "net/quic/core/quic_pending_retransmission.h" |
| 52 #include "net/quic/core/quic_sent_packet_manager.h" | 51 #include "net/quic/core/quic_sent_packet_manager.h" |
| 53 #include "net/quic/core/quic_types.h" | 52 #include "net/quic/core/quic_types.h" |
| 53 #include "net/quic/platform/api/quic_export.h" |
| 54 | 54 |
| 55 namespace net { | 55 namespace net { |
| 56 | 56 |
| 57 namespace test { | 57 namespace test { |
| 58 class QuicPacketGeneratorPeer; | 58 class QuicPacketGeneratorPeer; |
| 59 } // namespace test | 59 } // namespace test |
| 60 | 60 |
| 61 class NET_EXPORT_PRIVATE QuicPacketGenerator { | 61 class QUIC_EXPORT_PRIVATE QuicPacketGenerator { |
| 62 public: | 62 public: |
| 63 class NET_EXPORT_PRIVATE DelegateInterface | 63 class QUIC_EXPORT_PRIVATE DelegateInterface |
| 64 : public QuicPacketCreator::DelegateInterface { | 64 : public QuicPacketCreator::DelegateInterface { |
| 65 public: | 65 public: |
| 66 ~DelegateInterface() override {} | 66 ~DelegateInterface() override {} |
| 67 // Consults delegate whether a packet should be generated. | 67 // Consults delegate whether a packet should be generated. |
| 68 virtual bool ShouldGeneratePacket(HasRetransmittableData retransmittable, | 68 virtual bool ShouldGeneratePacket(HasRetransmittableData retransmittable, |
| 69 IsHandshake handshake) = 0; | 69 IsHandshake handshake) = 0; |
| 70 virtual const QuicFrame GetUpdatedAckFrame() = 0; | 70 virtual const QuicFrame GetUpdatedAckFrame() = 0; |
| 71 virtual void PopulateStopWaitingFrame( | 71 virtual void PopulateStopWaitingFrame( |
| 72 QuicStopWaitingFrame* stop_waiting) = 0; | 72 QuicStopWaitingFrame* stop_waiting) = 0; |
| 73 }; | 73 }; |
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| 211 // are referenced elsewhere so that they can later be (optionally) | 211 // are referenced elsewhere so that they can later be (optionally) |
| 212 // retransmitted. | 212 // retransmitted. |
| 213 QuicStopWaitingFrame pending_stop_waiting_frame_; | 213 QuicStopWaitingFrame pending_stop_waiting_frame_; |
| 214 | 214 |
| 215 DISALLOW_COPY_AND_ASSIGN(QuicPacketGenerator); | 215 DISALLOW_COPY_AND_ASSIGN(QuicPacketGenerator); |
| 216 }; | 216 }; |
| 217 | 217 |
| 218 } // namespace net | 218 } // namespace net |
| 219 | 219 |
| 220 #endif // NET_QUIC_CORE_QUIC_PACKET_GENERATOR_H_ | 220 #endif // NET_QUIC_CORE_QUIC_PACKET_GENERATOR_H_ |
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