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72 commits

Author SHA1 Message Date
Marten Seemann
c0b09c8646 make utils an internal package 2017-06-09 22:28:40 +02:00
Lucas Clemente
e44298a9cc Always send retransmissions, irrespective of congestion state 
This should probably only apply to RTOs, but we currently don't have a signal to distinguish them in the queue.
 2017-06-06 13:16:33 +02:00
Lucas Clemente
5aba345811 Emit a debug log message when congestion limited 2017-04-30 15:32:01 +02:00
Lucas Clemente
89d0ae9810 Simplify ackhandler and congestion by splitting up OnCongestionEvent 
No functional change.
 2017-04-05 21:34:08 +02:00
Lucas Clemente
612fa16a43 Move SentPacketHandler.CheckForError into SentPacket 2017-04-02 10:29:09 +02:00
Lucas Clemente
1c5380c49b Implement loss recovery from the current WG draft 
Fixes #498 and will hopefully go a long way towards fixing the many
flaky tests.
 2017-04-02 10:29:09 +02:00
Marten Seemann
c8b7246159
create congestion RTTstats in Session 
ref #106
 2016-10-30 17:27:21 +07:00
Lucas Clemente
8f7a96dfaf retransmit two outstanding packets on RTO 
fixes #324
 2016-09-20 11:09:14 +02:00
Lucas Clemente
9b2127018d add exponential backoff to RTO calculation 
fixes #112
 2016-09-09 00:26:18 +02:00
Lucas Clemente
a0fb14381e don't send more packets when there are too many unacked 
fixes #249, fixes #322
 2016-09-08 11:21:03 +02:00
Lucas Clemente
6f4955d2d0 use new packet receive timestamp in sentPacketHandler 
fixes #150
 2016-09-07 15:51:04 +02:00
Lucas Clemente
e3c90c181a only consider novel packages for RTT 2016-09-07 15:51:04 +02:00
Lucas Clemente
8c6eb61850 set max tracked packets to max cwnd * 2 2016-09-05 13:35:10 +02:00
Lucas Clemente
a8b3e1ef8e move ackhandler.Packet and PacketList shared types to new ackhandler 2016-09-01 20:26:31 +02:00
Marten Seemann
7d05640b24
change AckHandler interfaces to allow forcing a StopWaitingFrame 
ref #259
 2016-08-18 12:45:53 +07:00
Marten Seemann
7d05ebf0bb
cache last StopWaiting in StopWaitingManager and return it if forced 
ref #259
 2016-08-18 12:40:50 +07:00
Lucas Clemente
baaf7027ae remove LargestInOrderAcked from v34 ackhandler 
possibly: fix #283, fix #291
 2016-08-16 16:12:46 +02:00
Marten Seemann
4f3f1065cb
improve return values of (n)ackPacket in new SentPacketHandler 2016-08-16 19:43:40 +07:00
Lucas Clemente
1713d38576 add an ackhandler consistency check that fails the drop tests 2016-08-15 10:33:50 +02:00
Lucas Clemente
5cb3c0a771 replace ProbablyHasPacketForRetransmission with a call to MaybeQueueRTOs 
fixes #261
 2016-08-15 10:33:50 +02:00
Lucas Clemente
157055e99c reset the RTO timer when queueing an RTO retransmission 2016-08-15 10:33:50 +02:00
Marten Seemann
7796fad2b7 fix processing of ACK frames with old ACK ranges in new SentPacketHandler 
fixes #280
 2016-08-15 14:04:03 +07:00
Lucas Clemente
1ceb7fc4e0 fix retransmission logging in sent packet handlers 2016-08-12 21:27:41 +02:00
Marten Seemann
e7d7207206 garbage collect skippedPackets slice in SentPacketHandler 2016-08-11 11:03:45 +02:00
Marten Seemann
65838f34a8 limit number of tracked skipped packet numbers in SentPacketHandler 2016-08-11 11:03:45 +02:00
Marten Seemann
86d73970fc reject ACKs for skipped packet numbers 2016-08-11 11:03:45 +02:00
Marten Seemann
b129d13adc detect skipped packet numbers in SentPacketHandler 2016-08-11 11:03:45 +02:00
Marten Seemann
c2e0717c89 remove unused error from SentPacketHandler 2016-08-11 15:58:23 +07:00
Lucas Clemente
805c21cb77 use LeastUnacked in packet number derivation 
fixes #271
 2016-08-10 13:32:36 +02:00
Marten Seemann
fad5949b05 check that sent packet numbers always increase in new AckHandler 2016-08-10 08:45:01 +07:00
Marten Seemann
cba965cc0c use linked list to store sent packets in new AckHandler 2016-08-10 08:44:51 +07:00
Lucas Clemente
3b5d10b1f2 properly increase LargestInOrderAcked past retransmitted packets 2016-08-05 15:07:13 +02:00
Lucas Clemente
ba3b293811 don't NACK already retransmitted packets in v34 
ref #243, #248, #251
 2016-08-04 22:24:43 +02:00
Marten Seemann
19f627af6f fix NACKing of packets below lowest ACK range in new SentPacketHandler 
This did not cause an error, since the packet didn't exist in the
packetHistory. With this fix, it is more consistent and it saves one
loop iteration.
 2016-08-03 13:13:32 +07:00
Marten Seemann
e8a2c497e9 update StopWaitings when queueing retransmissions 
fixes #231
 2016-07-30 15:15:51 +07:00
Marten Seemann
71243ccccb don't send the same StopWaitingFrame twice 
fixes #229
 2016-07-30 14:15:45 +07:00
Marten Seemann
7604f7927d send a StopWaiting with every ACK in QUIC 34 
fixes #185
 2016-07-29 18:02:43 +07:00
Marten Seemann
73a64fde5f remove StopWaitingManager from new AckHandler 2016-07-29 18:02:43 +07:00
Marten Seemann
03bad0e86b use the same interface for new and legacy AckHandlers 
ref #55
 2016-07-26 18:31:54 +07:00
Marten Seemann
50a7e55c72 rename AckHandlerNew to AckHandler 
ref #55
 2016-07-26 13:48:13 +07:00
Marten Seemann
eb03ed5334 rename AckHandler package to AckHandlerLegacy 2016-06-21 19:51:26 +07:00
Marten Seemann
288cb9e143 rename AckFrame to AckFrameLegacy 2016-06-21 19:51:26 +07:00
Lucas Clemente
4d5ff5d61e call OnCongestionEvent when packets are retransmitted due to an RTO 
fixes #168
 2016-06-06 11:56:32 +02:00
Lucas Clemente
6a46465092 reduce calls to Debugf when not debugging to reduce slice allocs 
ref #129
 2016-06-04 15:13:46 +02:00
Marten Seemann
d906492ae7 don't retransmit a packet after receiving a belated ACK 
fixes #139
 2016-05-27 18:36:28 +07:00
Lucas Clemente
9e0d211f5e fix and optimize RTO computation 
fixes #144
 2016-05-25 12:34:54 +02:00
Lucas Clemente
d4a189b2d1 refactor timer calculation in sesssion to reduce syscalls 2016-05-24 17:42:47 +02:00
Marten Seemann
e2254f1bbd limit number of packets stored in SentPacketHandler 
fixes #140
 2016-05-24 16:06:48 +07:00
Marten Seemann
931687e9a4 better function name in SentPacketHandler 2016-05-24 15:39:48 +07:00
Marten Seemann
5dc7f8b0ca add missing test for StopWaitingManager call in SentPacketHandler 2016-05-22 23:59:23 +07:00