| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef NET_QUIC_QUIC_ACK_LISTENER_INTERFACE_H_ |
| #define NET_QUIC_QUIC_ACK_LISTENER_INTERFACE_H_ |
| |
| #include "base/basictypes.h" |
| #include "base/memory/ref_counted.h" |
| #include "net/quic/quic_protocol.h" |
| #include "net/quic/quic_time.h" |
| |
| namespace net { |
| |
| // Pure virtual class to listen for packet acknowledgements. |
| class NET_EXPORT_PRIVATE QuicAckListenerInterface |
| : public base::RefCounted<QuicAckListenerInterface> { |
| public: |
| QuicAckListenerInterface() {} |
| |
| // Called when a packet is acked. Called once per packet. |
| // |acked_bytes| is the number of data bytes acked. |
| virtual void OnPacketAcked(int acked_bytes, |
| QuicTime::Delta delta_largest_observed) = 0; |
| |
| // Called when a packet is retransmitted. Called once per packet. |
| // |retransmitted_bytes| is the number of data bytes retransmitted. |
| virtual void OnPacketRetransmitted(int retransmitted_bytes) = 0; |
| |
| protected: |
| friend class base::RefCounted<QuicAckListenerInterface>; |
| |
| // Delegates are ref counted. |
| virtual ~QuicAckListenerInterface() {} |
| }; |
| |
| } // namespace net |
| |
| #endif // NET_QUIC_QUIC_ACK_LISTENER_INTERFACE_H_ |