Autobahn WebSocket Testsuite Report
Autobahn WebSocket

go-httpbin - Case 1.2.8 : Pass - 14 ms @ 2025-10-27T15:48:38.446Z

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 / HTTP/1.1
User-Agent: AutobahnTestSuite/25.10.1-0.10.9
Host: 127.0.0.1:40347
Upgrade: WebSocket
Connection: Upgrade
Pragma: no-cache
Cache-Control: no-cache
Sec-WebSocket-Key: S2QJ7RPzl8q2JKyWnVficg==
Sec-WebSocket-Version: 13
HTTP/1.1 101 Switching Protocols
Connection: upgrade
Sec-Websocket-Accept: yd4uyGYrZuEU1+A7HTG3fl1Yi50=
Upgrade: websocket
Date: Mon, 27 Oct 2025 15:48:38 GMT


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
2431243
7451745
9976564805
Total6865801

Frames Received by Opcode

OpcodeCount
21
81
Total2

Frames Transmitted by Opcode

OpcodeCount
21
81
Total2


Wire Log

000 TX OCTETS: 474554202f20485454502f312e310d0a557365722d4167656e743a204175746f6261686e5465737453756974652f32352e31
               302e312d302e31302e390d0a486f ...
001 RX OCTETS: 485454502f312e312031303120537769746368696e672050726f746f636f6c730d0a436f6e6e656374696f6e3a2075706772
               6164650d0a5365632d576562736f ...
002 TX FRAME : OPCODE=2, FIN=True, RSV=0, PAYLOAD-LEN=65536, MASK=8b9eaa0e, PAYLOAD-REPEAT-LEN=None, CHOPSIZE=997, SYNC=False
               0xfefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefe
               fefefefefefefefefefefefefefefe ...
003 TX OCTETS: 82ff00000000000100008b9eaa0e756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0
               756054f0756054f0756054f07560 ...
004 FAIL CONNECTION AFTER 10.000000 sec
005 TX OCTETS: f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f075
               6054f0756054f0756054f0756054 ...
006 TX OCTETS: 756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f07560
               54f0756054f0756054f0756054f0 ...
007 TX OCTETS: 6054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054
               f0756054f0756054f0756054f075 ...
008 TX OCTETS: 54f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0
               756054f0756054f0756054f07560 ...
009 TX OCTETS: f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f075
               6054f0756054f0756054f0756054 ...
010 TX OCTETS: 756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f07560
               54f0756054f0756054f0756054f0 ...
011 TX OCTETS: 6054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054
               f0756054f0756054f0756054f075 ...
012 TX OCTETS: 54f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0
               756054f0756054f0756054f07560 ...
013 TX OCTETS: f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f075
               6054f0756054f0756054f0756054 ...
014 TX OCTETS: 756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f07560
               54f0756054f0756054f0756054f0 ...
015 TX OCTETS: 6054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054
               f0756054f0756054f0756054f075 ...
016 TX OCTETS: 54f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0
               756054f0756054f0756054f07560 ...
017 TX OCTETS: f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f075
               6054f0756054f0756054f0756054 ...
018 TX OCTETS: 756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f07560
               54f0756054f0756054f0756054f0 ...
019 TX OCTETS: 6054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054
               f0756054f0756054f0756054f075 ...
020 TX OCTETS: 54f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0
               756054f0756054f0756054f07560 ...
021 TX OCTETS: f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f075
               6054f0756054f0756054f0756054 ...
022 TX OCTETS: 756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f07560
               54f0756054f0756054f0756054f0 ...
023 TX OCTETS: 6054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054
               f0756054f0756054f0756054f075 ...
024 TX OCTETS: 54f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0
               756054f0756054f0756054f07560 ...
025 TX OCTETS: f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f075
               6054f0756054f0756054f0756054 ...
026 TX OCTETS: 756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f07560
               54f0756054f0756054f0756054f0 ...
027 TX OCTETS: 6054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054
               f0756054f0756054f0756054f075 ...
028 TX OCTETS: 54f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0
               756054f0756054f0756054f07560 ...
029 TX OCTETS: f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f075
               6054f0756054f0756054f0756054 ...
030 TX OCTETS: 756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f07560
               54f0756054f0756054f0756054f0 ...
031 TX OCTETS: 6054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054
               f0756054f0756054f0756054f075 ...
032 TX OCTETS: 54f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0
               756054f0756054f0756054f07560 ...
033 TX OCTETS: f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f075
               6054f0756054f0756054f0756054 ...
034 TX OCTETS: 756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f07560
               54f0756054f0756054f0756054f0 ...
035 TX OCTETS: 6054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054
               f0756054f0756054f0756054f075 ...
036 TX OCTETS: 54f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0
               756054f0756054f0756054f07560 ...
037 TX OCTETS: f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f075
               6054f0756054f0756054f0756054 ...
038 TX OCTETS: 756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f07560
               54f0756054f0756054f0756054f0 ...
039 TX OCTETS: 6054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054
               f0756054f0756054f0756054f075 ...
040 TX OCTETS: 54f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0
               756054f0756054f0756054f07560 ...
041 TX OCTETS: f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f075
               6054f0756054f0756054f0756054 ...
042 TX OCTETS: 756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f07560
               54f0756054f0756054f0756054f0 ...
043 TX OCTETS: 6054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054
               f0756054f0756054f0756054f075 ...
044 TX OCTETS: 54f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0
               756054f0756054f0756054f07560 ...
045 TX OCTETS: f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f075
               6054f0756054f0756054f0756054 ...
046 TX OCTETS: 756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f07560
               54f0756054f0756054f0756054f0 ...
047 TX OCTETS: 6054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054
               f0756054f0756054f0756054f075 ...
048 TX OCTETS: 54f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0
               756054f0756054f0756054f07560 ...
049 TX OCTETS: f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f075
               6054f0756054f0756054f0756054 ...
050 TX OCTETS: 756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f07560
               54f0756054f0756054f0756054f0 ...
051 TX OCTETS: 6054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054
               f0756054f0756054f0756054f075 ...
052 TX OCTETS: 54f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0
               756054f0756054f0756054f07560 ...
053 TX OCTETS: f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f075
               6054f0756054f0756054f0756054 ...
054 TX OCTETS: 756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f07560
               54f0756054f0756054f0756054f0 ...
055 TX OCTETS: 6054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054
               f0756054f0756054f0756054f075 ...
056 TX OCTETS: 54f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0
               756054f0756054f0756054f07560 ...
057 TX OCTETS: f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f075
               6054f0756054f0756054f0756054 ...
058 TX OCTETS: 756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f07560
               54f0756054f0756054f0756054f0 ...
059 TX OCTETS: 6054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054
               f0756054f0756054f0756054f075 ...
060 TX OCTETS: 54f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0
               756054f0756054f0756054f07560 ...
061 TX OCTETS: f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f075
               6054f0756054f0756054f0756054 ...
062 TX OCTETS: 756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f07560
               54f0756054f0756054f0756054f0 ...
063 TX OCTETS: 6054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054
               f0756054f0756054f0756054f075 ...
064 TX OCTETS: 54f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0
               756054f0756054f0756054f07560 ...
065 TX OCTETS: f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f075
               6054f0756054f0756054f0756054 ...
066 TX OCTETS: 756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f07560
               54f0756054f0756054f0756054f0 ...
067 TX OCTETS: 6054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054
               f0756054f0756054f0756054f075 ...
068 TX OCTETS: 54f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0
               756054f0756054f0756054f07560 ...
069 TX OCTETS: f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f0756054f075
               6054f0756054f0756054f0756054 ...
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=8475e982, PAYLOAD-REPEAT-LEN=None, CHOPSIZE=None, SYNC=False
               0x03e8
074 TX OCTETS: 88828475e982879d
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