Commit Graph

27 Commits

Author SHA1 Message Date
KonradStaniec 4e2b340af6
Fix sudden window drop bug (#465)
Fixes problem which caused drop of maxWindow to the size of
only one packet in case of only one packet hitting timeout.
2022-01-21 14:48:01 +01:00
KonradStaniec b2dab4be08
Re-send acks for old duplicated packets (#462)
* Re-send acks for old duplicated packets
2022-01-20 09:22:53 +01:00
Kim De Mey 26ab9b078e
Minor adjustments in utp_discv5_protocol (#459)
- Move SocketConfig parameter location
- Reuse rng from disc5 protocol
- add exports
- Some whitespace clean-up
2022-01-10 13:49:36 +01:00
KonradStaniec 0f18272315
Test vectors upt decoding/encoding (#458) 2022-01-07 10:38:36 +01:00
KonradStaniec 9c8e9d9f64
Handle selective acks (#456)
* Handle selective acks
2022-01-04 09:52:38 +01:00
Kim De Mey 2c236f6495
Style fixes according to --styleCheck:usages (#452)
Currently only setting `--styleCheck:hint` as there are some
dependency fixes required and the compiler seems to trip over the
findnode MessageKind, findnode Message field and the findNode
proc. Also over protocol.Protocol usage.
2021-12-20 13:14:50 +01:00
KonradStaniec 0cfe7df817
Handle packets with selective acks (#451)
* Handle packets with selective acks
2021-12-15 13:35:17 +01:00
Ștefan Talpalaru 2088d7568d
CI: test with multiple Nim version (#429)
* CI: test with multiple Nim version

* clean up the testing tree a little

* replace "unittest" with "unittest2"
2021-12-11 19:12:55 +01:00
Kim De Mey 41d2d3c991
Utp top level raises & some clean-up (#445)
* Add few missing top level raises Defect in uTP

- Add top level {.push raises: [Defect].}
- remove some local raises, including some unneeded
CatchableErrors.
- Don't export messageHandler (avoiding annoying naming collisions)
- export utp_router as those connection callbacks are in the API

* Add some missing copyright clauses

* Some ident and max line length cleanup

* Rename utp_discv5_protocol.nim to be more consistent
2021-12-10 11:12:24 +01:00
KonradStaniec 09959d2a3f
Update timestamp and ackNr on packet resend (#444)
* Update timestamp and ackNr on packet resend
2021-12-10 10:18:00 +01:00
KonradStaniec b4066a5688
Ledbat congestion control (#443)
* Return delay to remote peer

* Initial ledbat window calculation

* Add tests for window grow and decay

* Add delay histograms

* Add calculation of clock drift
2021-12-09 10:52:21 +01:00
KonradStaniec e7bc10ab00
Add config for max snd buffer size (#440)
* Add config for max snd buffer size
2021-12-02 16:51:44 +01:00
KonradStaniec 3c8915cae1
Track send buffer and properly handle back pressoure when window is to small to process data (#437)
* Add separate datastructure to keep track of window

* Asynchronously block write until until new space in snd buffer

* Introduce write loop

* Properly handle write cancellation

* Proper handling of sending fin packet

* Reset remote window after configured amount of time
2021-12-02 15:46:18 +01:00
KonradStaniec 139c6fa2a8
Track current bytes in flight (#434) 2021-11-24 17:49:13 +01:00
KonradStaniec ce296ff76e
Make initial state of socket configurable (#428)
* Make initial state of socket configurable
2021-11-19 11:36:46 +01:00
KonradStaniec d5e5ec9f90
Add possibility to connect with requested conneciton id (#425)
* Improve error handling when initiating connection

* Add api to connect with requested id

* Add callback to allow only specific incoming peers
2021-11-18 10:05:56 +01:00
KonradStaniec 73d9bf4c80
Add ackNr validation (#424) 2021-11-15 11:32:00 +01:00
KonradStaniec 8139aae346
Advertise correct rcv buffer size (#423)
* Advertise correct rcv buffer size
2021-11-12 10:58:49 +01:00
KonradStaniec b671f6c901
Handling of fin packet (#421)
* Handling of connection finalization by sending and receiving FIN packets
2021-11-09 15:29:59 +01:00
KonradStaniec 7a113ffa48
Add handling of reset packet (#420)
* Add handling of reset packet
2021-11-05 09:41:41 +01:00
KonradStaniec d4cc42241d
Add handling of out of order packets (#418)
* Add handling of out of order packets
2021-11-04 07:38:46 +01:00
KonradStaniec 34bac6e703
Utp code cleanup (#417)
* Refactor tests and move socket to separate file

* Move sockets handling to separate class

* Abstract over underlying transport

* Fix bug with receiving duplicated SYN packet

* Fix race condition in connect
2021-10-28 11:41:43 +02:00
KonradStaniec fd4f78d1c0
Add timeout loop (#416)
* Modify outbuffer

Each element of outbuffer keeps encoded packet ,number
of transmissions of givern packet and information if
given packet needs to be re-send.

* Add initial handling of timeouts

* Add tests for syn re-sends
2021-10-25 09:58:13 +02:00
KonradStaniec 88795c6477
Add sending and receiving data procedures (#407)
* Add sending and receiving data procedures
2021-10-19 13:36:57 +02:00
KonradStaniec 6fbf129ba9
Add initial handling of acks (#406)
* Add initial handling of acks

Add implemetaion of circular buffer based on reference implementation
Add way to test number of packet in flight
Add acking of initial syn packet
2021-10-15 13:38:51 +02:00
KonradStaniec 7ae287ad1b
Add rudimentary connect function (#405)
* Add rudimentary connect function
2021-10-11 14:16:06 +02:00
KonradStaniec 9f2f101070
Add initial skeleton of utp protocol (#397)
* Add initial impl of utp over udp

* Add more comments

* Add licenses and push declarations

* Add tests to nimble task

* Pr comments

Use better random generator
Raise assert error in case of buffer io exception
2021-09-13 14:54:06 +02:00