Autobahn WebSocket Testsuite Report
Autobahn WebSocket

websock server - Case 12.4.3 : Pass - 487 ms @ 2025-11-26T12:36:41.090Z

Case Description

Send 1000 compressed messages each of payload size 256, auto-fragment to 0 octets. Use default permessage-deflate offer.

Case Expectation

Receive echo'ed messages (with payload as sent). Timeout case after 120 secs.

Case Outcome

Ok, received all echo'ed messages in time.

Expected:
{}

Observed:
[]

Case Closing Behavior

The spec requires the connection to be failed cleanly here (UNCLEAN)



Opening Handshake

GET /ws HTTP/1.1
User-Agent: AutobahnTestSuite/25.10.1-0.10.9
Host: 127.0.0.1:8888
Upgrade: WebSocket
Connection: Upgrade
Pragma: no-cache
Cache-Control: no-cache
Sec-WebSocket-Key: CzJ9HWaHg3stia9qS39ldQ==
Sec-WebSocket-Extensions: permessage-deflate; client_no_context_takeover; client_max_window_bits
Sec-WebSocket-Version: 13
HTTP/1.1 101 Switching Protocols
Date: Wed, 26 Nov 2025 12:36:41 GMT
Sec-Websocket-Extensions: permessage-deflate; client_no_context_takeover
Upgrade: websocket
Connection: Upgrade
Sec-Websocket-Accept: xJeEr4zihrO16ElPkv3/DWViSCE=


Closing Behavior

KeyValueDescription
isServerFalseTrue, iff I (the fuzzer) am a server, and the peer is a client.
closedByMeTrueTrue, iff I have initiated closing handshake (that is, did send close first).
failedByMeFalseTrue, iff I have failed the WS connection (i.e. due to protocol error). Failing can be either by initiating closing handshake or brutal drop TCP.
droppedByMeFalseTrue, iff I dropped the TCP connection.
wasCleanFalseTrue, iff full WebSocket closing handshake was performed (close frame sent and received) _and_ the server dropped the TCP (which is its responsibility).
wasNotCleanReasonpeer dropped the TCP connection without previous WebSocket closing handshakeWhen wasClean == False, the reason what happened.
wasServerConnectionDropTimeoutFalseWhen we are a client, and we expected the server to drop the TCP, but that didn't happen in time, this gets True.
wasOpenHandshakeTimeoutFalseWhen performing the opening handshake, but the peer did not finish in time, this gets True.
wasCloseHandshakeTimeoutFalseWhen we initiated a closing handshake, but the peer did not respond in time, this gets True.
localCloseCode1000The close code I sent in close frame (if any).
localCloseReasonNoneThe close reason I sent in close frame (if any).
remoteCloseCodeNoneThe close code the peer sent me in close frame (if any).
remoteCloseReasonNoneThe close reason the peer sent me in close frame (if any).


Wire Statistics

Octets Received by Chop Size

Chop SizeCountOctets
2401240
260996258960
2661266
2673801
Total1001260267

Octets Transmitted by Chop Size

Chop SizeCountOctets
818
1285640
1291129
1305650
1342268
1353405
13681088
13781096
1384552
139131807
140202800
141243384
142304260
143355005
144446336
145355075
146253650
14791323
1483444
149111639
1502300
1516906
1525760
1536918
15491386
1554620
156111716
1576942
158152370
15971113
16081280
161142254
162121944
16371141
16471148
16571155
166132158
16761002
168183024
169233887
170122040
171152565
172213612
173142422
174122088
175203500
176244224
177193363
178254450
179274833
180325760
181325792
182468372
183234209
184234232
185264810
186173162
187183366
188112068
189193591
190152850
191152865
192193648
1932386
194101940
195101950
19661176
1974788
1981198
1994796
2002400
2031203
2151215
2181218
2231223
2281228
3421342
Total1002167468

Frames Received by Opcode

OpcodeCount
11000
Total1000

Frames Transmitted by Opcode

OpcodeCount
11000
81
Total1001


Wire Log

000 TX OCTETS: 474554202f777320485454502f312e310d0a557365722d4167656e743a204175746f6261686e5465737453756974652f3235
               2e31302e312d302e31302e390d0a ...
001 RX OCTETS: 485454502f312e312031303120537769746368696e672050726f746f636f6c730d0a446174653a205765642c203236204e6f
               7620323032352031323a33363a34 ...
002 WIRELOG DISABLED
003 CLOSE CONNECTION AFTER 120.000000 sec
004 WIRELOG ENABLED
005 TX FRAME : OPCODE=8, FIN=True, RSV=0, PAYLOAD-LEN=2, MASK=79ad3d5d, PAYLOAD-REPEAT-LEN=None, CHOPSIZE=None, SYNC=False
               0x03e8
006 TX OCTETS: 888279ad3d5d7a45
007 TCP DROPPED BY PEER