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// Copyright (c) 2016 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 QUICHE_QUIC_CORE_QUIC_ACK_LISTENER_INTERFACE_H_
#define QUICHE_QUIC_CORE_QUIC_ACK_LISTENER_INTERFACE_H_
#include "quic/core/quic_time.h"
#include "quic/core/quic_types.h"
#include "quic/platform/api/quic_export.h"
#include "quic/platform/api/quic_reference_counted.h"
namespace quic {
// Pure virtual class to listen for packet acknowledgements.
class QUIC_EXPORT_PRIVATE QuicAckListenerInterface
: public QuicReferenceCounted {
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 ack_delay_time) = 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:
// Delegates are ref counted.
~QuicAckListenerInterface() override;
};
} // namespace quic
#endif // QUICHE_QUIC_CORE_QUIC_ACK_LISTENER_INTERFACE_H_
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