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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_CORE_QUIC_MULTIPATH_SENT_PACKET_MANAGER_H_ | 5 #ifndef NET_QUIC_CORE_QUIC_MULTIPATH_SENT_PACKET_MANAGER_H_ |
| 6 #define NET_QUIC_CORE_QUIC_MULTIPATH_SENT_PACKET_MANAGER_H_ | 6 #define NET_QUIC_CORE_QUIC_MULTIPATH_SENT_PACKET_MANAGER_H_ |
| 7 | 7 |
| 8 #include <vector> | 8 #include <vector> |
| 9 | 9 |
| 10 #include "net/base/net_export.h" | |
| 11 #include "net/quic/core/quic_connection_close_delegate_interface.h" | 10 #include "net/quic/core/quic_connection_close_delegate_interface.h" |
| 12 #include "net/quic/core/quic_packets.h" | 11 #include "net/quic/core/quic_packets.h" |
| 13 #include "net/quic/core/quic_sent_packet_manager.h" | 12 #include "net/quic/core/quic_sent_packet_manager.h" |
| 14 #include "net/quic/core/quic_sent_packet_manager_interface.h" | 13 #include "net/quic/core/quic_sent_packet_manager_interface.h" |
| 14 #include "net/quic/platform/api/quic_export.h" |
| 15 | 15 |
| 16 namespace net { | 16 namespace net { |
| 17 | 17 |
| 18 namespace test { | 18 namespace test { |
| 19 class QuicConnectionPeer; | 19 class QuicConnectionPeer; |
| 20 class QuicMultipathSentPacketManagerPeer; | 20 class QuicMultipathSentPacketManagerPeer; |
| 21 } // namespace test | 21 } // namespace test |
| 22 | 22 |
| 23 // A connection level sent packet manager which manages a sent packet manager | 23 // A connection level sent packet manager which manages a sent packet manager |
| 24 // per path. The main duties of multipath sent packet manager comprise: | 24 // per path. The main duties of multipath sent packet manager comprise: |
| 25 // (1) manages a pending retransmission queue shared among all paths; | 25 // (1) manages a pending retransmission queue shared among all paths; |
| 26 // (2) records mapping of packets transmitted on different paths; | 26 // (2) records mapping of packets transmitted on different paths; |
| 27 // (3) consults paths which should timeout on a retransmission timeout. | 27 // (3) consults paths which should timeout on a retransmission timeout. |
| 28 // TODO(fayang): Currently above duties are not fully implemented, need to | 28 // TODO(fayang): Currently above duties are not fully implemented, need to |
| 29 // finish them. | 29 // finish them. |
| 30 class NET_EXPORT_PRIVATE QuicMultipathSentPacketManager | 30 class QUIC_EXPORT_PRIVATE QuicMultipathSentPacketManager |
| 31 : public QuicSentPacketManagerInterface { | 31 : public QuicSentPacketManagerInterface { |
| 32 public: | 32 public: |
| 33 // Multipath sent packet manager takes ownership of |manager|. | 33 // Multipath sent packet manager takes ownership of |manager|. |
| 34 QuicMultipathSentPacketManager( | 34 QuicMultipathSentPacketManager( |
| 35 QuicSentPacketManagerInterface* manager, | 35 QuicSentPacketManagerInterface* manager, |
| 36 QuicConnectionCloseDelegateInterface* delegate); | 36 QuicConnectionCloseDelegateInterface* delegate); |
| 37 ~QuicMultipathSentPacketManager() override; | 37 ~QuicMultipathSentPacketManager() override; |
| 38 | 38 |
| 39 // Start implementation of QuicSentPacketManagerInterface. | 39 // Start implementation of QuicSentPacketManagerInterface. |
| 40 // Sets all paths from |config|. | 40 // Sets all paths from |config|. |
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| 176 // State of per path sent packet manager. | 176 // State of per path sent packet manager. |
| 177 // TODO(fayang): Need to add a state that path can receive acks but cannot | 177 // TODO(fayang): Need to add a state that path can receive acks but cannot |
| 178 // send data. | 178 // send data. |
| 179 enum PathSentPacketManagerState { | 179 enum PathSentPacketManagerState { |
| 180 ACTIVE, // We both send packets and receiving acks on this path. | 180 ACTIVE, // We both send packets and receiving acks on this path. |
| 181 CLOSING, // We stop sending packets and receiving acks on this path. There | 181 CLOSING, // We stop sending packets and receiving acks on this path. There |
| 182 // are retransmittable frames in the unacked packets map. | 182 // are retransmittable frames in the unacked packets map. |
| 183 }; | 183 }; |
| 184 | 184 |
| 185 // PathSentPacketManagerInfo contains sent packet manager and its state. | 185 // PathSentPacketManagerInfo contains sent packet manager and its state. |
| 186 struct NET_EXPORT_PRIVATE PathSentPacketManagerInfo { | 186 struct QUIC_EXPORT_PRIVATE PathSentPacketManagerInfo { |
| 187 PathSentPacketManagerInfo(); | 187 PathSentPacketManagerInfo(); |
| 188 PathSentPacketManagerInfo(QuicSentPacketManagerInterface* manager, | 188 PathSentPacketManagerInfo(QuicSentPacketManagerInterface* manager, |
| 189 PathSentPacketManagerState state); | 189 PathSentPacketManagerState state); |
| 190 PathSentPacketManagerInfo(const PathSentPacketManagerInfo& other); | 190 PathSentPacketManagerInfo(const PathSentPacketManagerInfo& other); |
| 191 | 191 |
| 192 QuicSentPacketManagerInterface* manager; | 192 QuicSentPacketManagerInterface* manager; |
| 193 PathSentPacketManagerState state; | 193 PathSentPacketManagerState state; |
| 194 }; | 194 }; |
| 195 | 195 |
| 196 // Returns path sent packet manager if it exists for |path_id|, returns | 196 // Returns path sent packet manager if it exists for |path_id|, returns |
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| 214 | 214 |
| 215 // Does not own this delegate. | 215 // Does not own this delegate. |
| 216 QuicConnectionCloseDelegateInterface* delegate_; | 216 QuicConnectionCloseDelegateInterface* delegate_; |
| 217 | 217 |
| 218 DISALLOW_COPY_AND_ASSIGN(QuicMultipathSentPacketManager); | 218 DISALLOW_COPY_AND_ASSIGN(QuicMultipathSentPacketManager); |
| 219 }; | 219 }; |
| 220 | 220 |
| 221 } // namespace net | 221 } // namespace net |
| 222 | 222 |
| 223 #endif // NET_QUIC_CORE_QUIC_MULTIPATH_SENT_PACKET_MANAGER_H_ | 223 #endif // NET_QUIC_CORE_QUIC_MULTIPATH_SENT_PACKET_MANAGER_H_ |
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