Index: net/quic/quic_fec_group.h |
diff --git a/net/quic/quic_fec_group.h b/net/quic/quic_fec_group.h |
deleted file mode 100644 |
index 718d09f83ad6a1008d9061e35bc815ba9fdebb0c..0000000000000000000000000000000000000000 |
--- a/net/quic/quic_fec_group.h |
+++ /dev/null |
@@ -1,101 +0,0 @@ |
-// Copyright (c) 2012 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. |
-// |
-// Tracks information about an FEC group, including the packets |
-// that have been seen, and the running parity. Provided the ability |
-// to revive a dropped packet. |
- |
-#ifndef NET_QUIC_QUIC_FEC_GROUP_H_ |
-#define NET_QUIC_QUIC_FEC_GROUP_H_ |
- |
-#include "base/strings/string_piece.h" |
-#include "net/quic/quic_protocol.h" |
- |
-namespace net { |
- |
-class NET_EXPORT_PRIVATE QuicFecGroup { |
- public: |
- QuicFecGroup(); |
- ~QuicFecGroup(); |
- |
- // Updates the FEC group based on the delivery of a data packet decrypted at |
- // |encryption_level|. Returns false if this packet has already been seen, |
- // true otherwise. |
- bool Update(EncryptionLevel encryption_level, |
- const QuicPacketHeader& header, |
- base::StringPiece decrypted_payload); |
- |
- // Updates the FEC group based on the delivery of an FEC packet decrypted at |
- // |encryption_level|. Returns false if this packet has already been seen or |
- // if it does not claim to protect all the packets previously seen in this |
- // group. |
- bool UpdateFec(EncryptionLevel encryption_level, |
- QuicPacketSequenceNumber fec_packet_sequence_number, |
- const QuicFecData& fec); |
- |
- // Returns true if a packet can be revived from this FEC group. |
- bool CanRevive() const; |
- |
- // Returns true if all packets (FEC and data) from this FEC group have been |
- // seen or revived |
- bool IsFinished() const; |
- |
- // Revives the missing packet from this FEC group. This may return a packet |
- // that is null padded to a greater length than the original packet, but |
- // the framer will handle it correctly. Returns the length of the data |
- // written to |decrypted_payload|, or 0 if the packet could not be revived. |
- size_t Revive(QuicPacketHeader* header, |
- char* decrypted_payload, |
- size_t decrypted_payload_len); |
- |
- // Returns true of this FEC group protects any packets with sequence |
- // numbers less than |num|. |
- bool ProtectsPacketsBefore(QuicPacketSequenceNumber num) const; |
- |
- const base::StringPiece payload_parity() const { |
- return base::StringPiece(payload_parity_, payload_parity_len_); |
- } |
- |
- QuicPacketSequenceNumber min_protected_packet() const { |
- return min_protected_packet_; |
- } |
- |
- size_t NumReceivedPackets() const { |
- return received_packets_.size(); |
- } |
- |
- // Returns the effective encryption level of the FEC group. |
- EncryptionLevel effective_encryption_level() const { |
- return effective_encryption_level_; |
- } |
- |
- private: |
- bool UpdateParity(base::StringPiece payload); |
- // Returns the number of missing packets, or size_t max if the number |
- // of missing packets is not known. |
- size_t NumMissingPackets() const; |
- |
- // Set of packets that we have recevied. |
- SequenceNumberSet received_packets_; |
- // Sequence number of the first protected packet in this group (the one |
- // with the lowest packet sequence number). Will only be set once the FEC |
- // packet has been seen. |
- QuicPacketSequenceNumber min_protected_packet_; |
- // Sequence number of the last protected packet in this group (the one |
- // with the highest packet sequence number). Will only be set once the FEC |
- // packet has been seen. |
- QuicPacketSequenceNumber max_protected_packet_; |
- // The cumulative parity calculation of all received packets. |
- char payload_parity_[kMaxPacketSize]; |
- size_t payload_parity_len_; |
- // The effective encryption level, which is the lowest encryption level of |
- // the data and FEC in the group. |
- EncryptionLevel effective_encryption_level_; |
- |
- DISALLOW_COPY_AND_ASSIGN(QuicFecGroup); |
-}; |
- |
-} // namespace net |
- |
-#endif // NET_QUIC_QUIC_FEC_GROUP_H_ |