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97 commits

Author SHA1 Message Date
Marten Seemann
d7ad1b6b9b rename the connection to rawConn 2022-03-27 12:28:43 +01:00
Marten Seemann
1ae835d1d8 rename occurrences of session in client, server and packetHandlerMap 2022-03-27 11:27:25 +01:00
Marten Seemann
580cc754f3
don't print a receive buffer warning for closed connections (#3346) 2022-03-16 01:32:43 -07:00
Arash Payan
fa070e585e
add env to disable the receive buffer warning (#3339) 
If the env QUIC_GO_DISABLE_RECEIVE_BUFFER_WARNING is set to true
(as defined by strconv.ParseBool()), the receive buffer warning
will not be printed out.
 2022-03-07 15:16:52 +01:00
Toby
17952f3e06
fix typo (#3333) 2022-02-20 05:24:26 -08:00
Marten Seemann
93cfef57ca expose a StatelessResetError 2021-05-01 09:39:51 +07:00
Marten Seemann
592fb9cad9 introduce a dedicated qerr.TransportError and qerr.ApplicationError 2021-05-01 09:38:48 +07:00
Marten Seemann
162cb16b31 cache the serialized OOB in the conn, not in the packet info 
We're allocating a lot of packetInfo structs during the lifetime of a
connection. It's better to keep that struct as small as possible.
 2021-03-16 14:04:15 +08:00
Olivier Poitrey
eb6bdfdfc1 Use the correct source IP when binding multiple IPs 
When the server is listening on multiple interfaces or interfaces with
multiple IPs, the outgoing datagrams are sometime delivered with the
wrong source IP address.

In order to fix that, each quic connection needs to extract the
destination IP (and optionally interface id) of the received datagrams,
and set it as source IP (and interface) on the sent datagrams.

On most platforms, this can be done using ancillary data with recvmsg()
and sendmsg(). Some of the machinery for this is already there for ECN,
this change extends it to read the destination IP info and write it to
the outgoing packets.

Fix #1736
 2021-03-16 00:50:05 +01:00
Marten Seemann
2bd316b89e store 0-RTT queues in the packet handler map 
This prevents a race condition between receiving of 0-RTT packets and
the creation of new session.
 2021-03-11 21:16:50 +08:00
Marten Seemann
369442a170 fix error message when the UDP receive buffer size can't be increased 2021-02-15 10:13:40 +08:00
Marten Seemann
75ed1401d8 improve error message when the read buffer size can't be set 2021-02-05 11:32:18 +08:00
Marten Seemann
aea8f7345b make sure the server is stopped before closing all server sessions 2021-01-25 15:28:42 +08:00
Marten Seemann
31b05bc249
Merge pull request #2892 from lucas-clemente/optimize-packet-handler-map-map-keys 
use the string optimization for map keys in the packet handler map
 2020-12-05 21:05:09 +07:00
Marten Seemann
d1bc0c20b9
Merge pull request #2923 from lucas-clemente/receive-buffer-warning 
improve the warning about the UDP receive buffer size
 2020-12-04 10:37:51 +07:00
Marten Seemann
b0974c14ad link to the wiki explaining the UDP receive buffer size 2020-12-04 09:16:22 +07:00
Marten Seemann
0eb3f14a60 only print the warning about the UDP receive buffer size once 2020-12-02 15:45:14 +07:00
Marten Seemann
05066ae877 immediately remove reset tokens when retiring a connection ID 2020-11-22 10:21:20 +07:00
Marten Seemann
45963c11dc use the string optimization for map keys 2020-11-21 10:53:14 +07:00
Marten Seemann
ba37b0e02b replace the RWMutex with a Mutex in the packet handler map 2020-11-06 17:09:21 +07:00
Marten Seemann
4c25cea9ec fix deadlock when closing the server and the connection at the same time 2020-10-29 17:56:14 +07:00
Marten Seemann
14a5aa831d increase UDP receive buffer size 2020-10-19 10:42:44 +07:00
Marten Seemann
b7f05b5d86 continue listening after temporary errors 2020-09-27 15:13:09 +07:00
Marten Seemann
ea3d32394d read the ECN bits 2020-09-15 10:51:22 +07:00
Marten Seemann
87f53228e9 put back the packet buffer when parsing the connection ID fails 2020-08-10 09:41:43 +07:00
Marten Seemann
48e15aed92 trace dropped packets in the packet handler map 2020-07-15 20:45:38 +07:00
Marten Seemann
2f63bc0731 pass a logging.Tracer to the packet handler map 2020-07-15 20:45:36 +07:00
Marten Seemann
a1bb39d6ab introduce a protocol.StatelessResetToken 2020-07-10 19:55:20 +07:00
Marten Seemann
0ef1b2f92e pass around the stateless reset token directly, not pointers to it 
Benchmarks show that it's actually faster to make a copy of this 16 byte
array than passing around a pointer to it.
 2020-07-10 19:44:57 +07:00
Marten Seemann
1f676c2a6c use an errors.As comparison to detect stateless resets in the session 2020-07-10 19:43:54 +07:00
Marten Seemann
76d7e9f024 add debug logging to the packet handler map 2020-06-17 13:04:34 +07:00
Marten Seemann
dad30e7c33 only create a single session for duplicate Initials 2020-05-29 16:04:45 +07:00
Marten Seemann
a82d6bb910 qlog stateless resets 2020-03-26 20:36:26 +07:00
Marten Seemann
56211cf0b9 fix typo in log message when receiving a stateless reset 2020-03-01 13:57:33 +07:00
Marten Seemann
d642bf9098 simplify content storage in packed packets 
It's not necessary to store both the packetBuffer and the slice
containing the raw data in the packet.
 2020-02-20 16:25:54 +07:00
Marten Seemann
93693349f3 collapse packetHandlerManager.Add and AddIfNotTaken into one function 2020-02-03 17:34:07 +01:00
Marten Seemann
634169b061 don't return a stateless reset token when adding a new connection ID 
Both server and client didn't make use of the token. It was only used by
the connIDGenerator.
 2020-02-03 17:31:47 +01:00
Marten Seemann
a93e544c94 remove Session.Close() 
Session.Close() sends a transport-level error code. Applications should
not be able to call this function, but use CloseWithError() instead.
 2020-01-26 17:41:53 +07:00
Marten Seemann
db396d8a78 rename packetHandlerMap.Close() to Destroy() 2020-01-22 17:59:22 +07:00
Marten Seemann
e65df402dd only create a single session when two Initials arrive at the same time 2019-11-30 20:01:51 +07:00
Marten Seemann
35ea8213c5 move initialization of the client's transport parameters to the session 2019-11-05 11:00:06 +07:00
Marten Seemann
ccb777b834 retire the stateless reset token when the session is closed 2019-11-05 10:59:21 +07:00
Marten Seemann
ffbb810fcc retire stateless reset tokens instead of deleting them immediately 2019-11-05 10:59:21 +07:00
Marten Seemann
441b1ed84b periodically log the number of tracked items in the packet handler map 2019-11-03 11:57:21 +07:00
Marten Seemann
c7334e3e66 replace closed sessions in the packet handler map 2019-11-02 20:32:59 +07:00
Marten Seemann
e55a14b8f0 remove unneccessary destroy of the session when retiring a connection ID 2019-11-01 11:53:57 +07:00
Marten Seemann
35e3455a97
Merge pull request #2147 from lucas-clemente/deleting-sessions 
refactor handling of closed session
 2019-10-01 13:17:44 +07:00
Marten Seemann
da0288b273 destroy sessions when deleting them from the packet handler map 2019-09-25 15:34:42 +07:00
Marten Seemann
03483d5e71 refactor how sessions are deleted 
Replacing sessions with different structs representing a closed session
doesn't work if a session is using multiple connection IDs.
 2019-09-25 15:34:38 +07:00
Marten Seemann
288c5af635 fix race condition when generating stateless reset tokens 2019-09-25 08:03:53 +07:00