Autobahn WebSocket Testsuite Report
Autobahn WebSocket

websock server - Case 1.2.8 : Pass - 24 ms @ 2025-11-26T12:36:29.986Z

Case Description

Send binary message message with payload of length 65536. Sent out data in chops of 997 octets.

Case Expectation

Receive echo'ed binary message (with payload as sent). Clean close with normal code.

Case Outcome

Actual events match at least one expected.

Expected:
{'OK': [('message', '0xfefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefe ...', True)]}

Observed:
[('message', '0xfefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefe ...', True)]

Case Closing Behavior

Connection was properly closed (OK)



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: 9ivnuWbveMyRWilFd3QYFg==
Sec-WebSocket-Version: 13
HTTP/1.1 101 Switching Protocols
Date: Wed, 26 Nov 2025 12:36:29 GMT
Connection: Upgrade
Upgrade: websocket
Sec-Websocket-Accept: Sm0emRQHJGahlEnQRwWFdej4K54=


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.
wasCleanTrueTrue, iff full WebSocket closing handshake was performed (close frame sent and received) _and_ the server dropped the TCP (which is its responsibility).
wasNotCleanReasonNoneWhen 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).
remoteCloseCode1000The 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
414
10110
1661166
65536165536
Total465716

Octets Transmitted by Chop Size

Chop SizeCountOctets
818
2441244
7451745
9976564805
Total6865802

Frames Received by Opcode

OpcodeCount
21
81
Total2

Frames Transmitted by Opcode

OpcodeCount
21
81
Total2


Wire Log

000 TX OCTETS: 474554202f777320485454502f312e310d0a557365722d4167656e743a204175746f6261686e5465737453756974652f3235
               2e31302e312d302e31302e390d0a ...
001 RX OCTETS: 485454502f312e312031303120537769746368696e672050726f746f636f6c730d0a446174653a205765642c203236204e6f
               7620323032352031323a33363a32 ...
002 TX FRAME : OPCODE=2, FIN=True, RSV=0, PAYLOAD-LEN=65536, MASK=c1536a0b, PAYLOAD-REPEAT-LEN=None, CHOPSIZE=997, SYNC=False
               0xfefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefe
               fefefefefefefefefefefefefefefe ...
003 TX OCTETS: 82ff0000000000010000c1536a0b3fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f5
               3fad94f53fad94f53fad94f53fad ...
004 FAIL CONNECTION AFTER 10.000000 sec
005 TX OCTETS: f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53f
               ad94f53fad94f53fad94f53fad94 ...
006 TX OCTETS: 3fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad
               94f53fad94f53fad94f53fad94f5 ...
007 TX OCTETS: ad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94
               f53fad94f53fad94f53fad94f53f ...
008 TX OCTETS: 94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f5
               3fad94f53fad94f53fad94f53fad ...
009 TX OCTETS: f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53f
               ad94f53fad94f53fad94f53fad94 ...
010 TX OCTETS: 3fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad
               94f53fad94f53fad94f53fad94f5 ...
011 TX OCTETS: ad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94
               f53fad94f53fad94f53fad94f53f ...
012 TX OCTETS: 94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f5
               3fad94f53fad94f53fad94f53fad ...
013 TX OCTETS: f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53f
               ad94f53fad94f53fad94f53fad94 ...
014 TX OCTETS: 3fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad
               94f53fad94f53fad94f53fad94f5 ...
015 TX OCTETS: ad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94
               f53fad94f53fad94f53fad94f53f ...
016 TX OCTETS: 94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f5
               3fad94f53fad94f53fad94f53fad ...
017 TX OCTETS: f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53f
               ad94f53fad94f53fad94f53fad94 ...
018 TX OCTETS: 3fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad
               94f53fad94f53fad94f53fad94f5 ...
019 TX OCTETS: ad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94
               f53fad94f53fad94f53fad94f53f ...
020 TX OCTETS: 94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f5
               3fad94f53fad94f53fad94f53fad ...
021 TX OCTETS: f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53f
               ad94f53fad94f53fad94f53fad94 ...
022 TX OCTETS: 3fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad
               94f53fad94f53fad94f53fad94f5 ...
023 TX OCTETS: ad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94
               f53fad94f53fad94f53fad94f53f ...
024 TX OCTETS: 94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f5
               3fad94f53fad94f53fad94f53fad ...
025 TX OCTETS: f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53f
               ad94f53fad94f53fad94f53fad94 ...
026 TX OCTETS: 3fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad
               94f53fad94f53fad94f53fad94f5 ...
027 TX OCTETS: ad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94
               f53fad94f53fad94f53fad94f53f ...
028 TX OCTETS: 94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f5
               3fad94f53fad94f53fad94f53fad ...
029 TX OCTETS: f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53f
               ad94f53fad94f53fad94f53fad94 ...
030 TX OCTETS: 3fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad
               94f53fad94f53fad94f53fad94f5 ...
031 TX OCTETS: ad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94
               f53fad94f53fad94f53fad94f53f ...
032 TX OCTETS: 94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f5
               3fad94f53fad94f53fad94f53fad ...
033 TX OCTETS: f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53f
               ad94f53fad94f53fad94f53fad94 ...
034 TX OCTETS: 3fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad
               94f53fad94f53fad94f53fad94f5 ...
035 TX OCTETS: ad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94
               f53fad94f53fad94f53fad94f53f ...
036 TX OCTETS: 94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f5
               3fad94f53fad94f53fad94f53fad ...
037 TX OCTETS: f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53f
               ad94f53fad94f53fad94f53fad94 ...
038 TX OCTETS: 3fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad
               94f53fad94f53fad94f53fad94f5 ...
039 TX OCTETS: ad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94
               f53fad94f53fad94f53fad94f53f ...
040 TX OCTETS: 94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f5
               3fad94f53fad94f53fad94f53fad ...
041 TX OCTETS: f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53f
               ad94f53fad94f53fad94f53fad94 ...
042 TX OCTETS: 3fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad
               94f53fad94f53fad94f53fad94f5 ...
043 TX OCTETS: ad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94
               f53fad94f53fad94f53fad94f53f ...
044 TX OCTETS: 94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f5
               3fad94f53fad94f53fad94f53fad ...
045 TX OCTETS: f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53f
               ad94f53fad94f53fad94f53fad94 ...
046 TX OCTETS: 3fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad
               94f53fad94f53fad94f53fad94f5 ...
047 TX OCTETS: ad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94
               f53fad94f53fad94f53fad94f53f ...
048 TX OCTETS: 94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f5
               3fad94f53fad94f53fad94f53fad ...
049 TX OCTETS: f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53f
               ad94f53fad94f53fad94f53fad94 ...
050 TX OCTETS: 3fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad
               94f53fad94f53fad94f53fad94f5 ...
051 TX OCTETS: ad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94
               f53fad94f53fad94f53fad94f53f ...
052 TX OCTETS: 94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f5
               3fad94f53fad94f53fad94f53fad ...
053 TX OCTETS: f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53f
               ad94f53fad94f53fad94f53fad94 ...
054 TX OCTETS: 3fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad
               94f53fad94f53fad94f53fad94f5 ...
055 TX OCTETS: ad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94
               f53fad94f53fad94f53fad94f53f ...
056 TX OCTETS: 94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f5
               3fad94f53fad94f53fad94f53fad ...
057 TX OCTETS: f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53f
               ad94f53fad94f53fad94f53fad94 ...
058 TX OCTETS: 3fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad
               94f53fad94f53fad94f53fad94f5 ...
059 TX OCTETS: ad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94
               f53fad94f53fad94f53fad94f53f ...
060 TX OCTETS: 94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f5
               3fad94f53fad94f53fad94f53fad ...
061 TX OCTETS: f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53f
               ad94f53fad94f53fad94f53fad94 ...
062 TX OCTETS: 3fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad
               94f53fad94f53fad94f53fad94f5 ...
063 TX OCTETS: ad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94
               f53fad94f53fad94f53fad94f53f ...
064 TX OCTETS: 94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f5
               3fad94f53fad94f53fad94f53fad ...
065 TX OCTETS: f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53f
               ad94f53fad94f53fad94f53fad94 ...
066 TX OCTETS: 3fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad
               94f53fad94f53fad94f53fad94f5 ...
067 TX OCTETS: ad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94
               f53fad94f53fad94f53fad94f53f ...
068 TX OCTETS: 94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f5
               3fad94f53fad94f53fad94f53fad ...
069 TX OCTETS: f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53fad94f53f
               ad94f53fad94f53fad94f53fad94 ...
070 RX OCTETS: 827f0000000000010000fefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefe
               fefefefefefefefefefefefefefe ...
071 RX OCTETS: fefefefefefefefefefe
072 RX FRAME : OPCODE=2, FIN=True, RSV=0, PAYLOAD-LEN=65536, MASKED=False, MASK=None
               0xfefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefe
               fefefefefefefefefefefefefefefe ...
073 TX FRAME : OPCODE=8, FIN=True, RSV=0, PAYLOAD-LEN=2, MASK=e9ad7d4e, PAYLOAD-REPEAT-LEN=None, CHOPSIZE=None, SYNC=False
               0x03e8
074 TX OCTETS: 8882e9ad7d4eea45
075 RX OCTETS: 880203e8
076 RX FRAME : OPCODE=8, FIN=True, RSV=0, PAYLOAD-LEN=2, MASKED=False, MASK=None
               0x03e8
077 TCP DROPPED BY PEER