Autobahn WebSocket Testsuite Report
Autobahn WebSocket

go-httpbin - Case 1.2.8 : Pass - 11 ms @ 2025-11-06T11:46:27.156Z

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: 127.0.0.1:43127
Upgrade: WebSocket
Connection: Upgrade
Pragma: no-cache
Cache-Control: no-cache
Sec-WebSocket-Key: z7U2tuvUQhhityiEo60Pbw==
Sec-WebSocket-Version: 13
HTTP/1.1 101 Switching Protocols
Connection: upgrade
Sec-Websocket-Accept: WpIsn0K1vjhyPQUrnzCyYnIXIk4=
Upgrade: websocket
Date: Thu, 06 Nov 2025 11:46:27 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=5d2323fd, PAYLOAD-REPEAT-LEN=None, CHOPSIZE=997, SYNC=False
               0xfefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefe
               fefefefefefefefefefefefefefefe ...
003 TX OCTETS: 82ff00000000000100005d2323fda3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03
               a3dddd03a3dddd03a3dddd03a3dd ...
004 FAIL CONNECTION AFTER 10.000000 sec
005 TX OCTETS: 03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3
               dddd03a3dddd03a3dddd03a3dddd ...
006 TX OCTETS: a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dd
               dd03a3dddd03a3dddd03a3dddd03 ...
007 TX OCTETS: dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd
               03a3dddd03a3dddd03a3dddd03a3 ...
008 TX OCTETS: dd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03
               a3dddd03a3dddd03a3dddd03a3dd ...
009 TX OCTETS: 03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3
               dddd03a3dddd03a3dddd03a3dddd ...
010 TX OCTETS: a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dd
               dd03a3dddd03a3dddd03a3dddd03 ...
011 TX OCTETS: dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd
               03a3dddd03a3dddd03a3dddd03a3 ...
012 TX OCTETS: dd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03
               a3dddd03a3dddd03a3dddd03a3dd ...
013 TX OCTETS: 03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3
               dddd03a3dddd03a3dddd03a3dddd ...
014 TX OCTETS: a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dd
               dd03a3dddd03a3dddd03a3dddd03 ...
015 TX OCTETS: dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd
               03a3dddd03a3dddd03a3dddd03a3 ...
016 TX OCTETS: dd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03
               a3dddd03a3dddd03a3dddd03a3dd ...
017 TX OCTETS: 03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3
               dddd03a3dddd03a3dddd03a3dddd ...
018 TX OCTETS: a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dd
               dd03a3dddd03a3dddd03a3dddd03 ...
019 TX OCTETS: dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd
               03a3dddd03a3dddd03a3dddd03a3 ...
020 TX OCTETS: dd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03
               a3dddd03a3dddd03a3dddd03a3dd ...
021 TX OCTETS: 03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3
               dddd03a3dddd03a3dddd03a3dddd ...
022 TX OCTETS: a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dd
               dd03a3dddd03a3dddd03a3dddd03 ...
023 TX OCTETS: dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd
               03a3dddd03a3dddd03a3dddd03a3 ...
024 TX OCTETS: dd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03
               a3dddd03a3dddd03a3dddd03a3dd ...
025 TX OCTETS: 03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3
               dddd03a3dddd03a3dddd03a3dddd ...
026 TX OCTETS: a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dd
               dd03a3dddd03a3dddd03a3dddd03 ...
027 TX OCTETS: dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd
               03a3dddd03a3dddd03a3dddd03a3 ...
028 TX OCTETS: dd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03
               a3dddd03a3dddd03a3dddd03a3dd ...
029 TX OCTETS: 03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3
               dddd03a3dddd03a3dddd03a3dddd ...
030 TX OCTETS: a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dd
               dd03a3dddd03a3dddd03a3dddd03 ...
031 TX OCTETS: dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd
               03a3dddd03a3dddd03a3dddd03a3 ...
032 TX OCTETS: dd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03
               a3dddd03a3dddd03a3dddd03a3dd ...
033 TX OCTETS: 03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3
               dddd03a3dddd03a3dddd03a3dddd ...
034 TX OCTETS: a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dd
               dd03a3dddd03a3dddd03a3dddd03 ...
035 TX OCTETS: dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd
               03a3dddd03a3dddd03a3dddd03a3 ...
036 TX OCTETS: dd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03
               a3dddd03a3dddd03a3dddd03a3dd ...
037 TX OCTETS: 03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3
               dddd03a3dddd03a3dddd03a3dddd ...
038 TX OCTETS: a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dd
               dd03a3dddd03a3dddd03a3dddd03 ...
039 TX OCTETS: dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd
               03a3dddd03a3dddd03a3dddd03a3 ...
040 TX OCTETS: dd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03
               a3dddd03a3dddd03a3dddd03a3dd ...
041 TX OCTETS: 03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3
               dddd03a3dddd03a3dddd03a3dddd ...
042 TX OCTETS: a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dd
               dd03a3dddd03a3dddd03a3dddd03 ...
043 TX OCTETS: dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd
               03a3dddd03a3dddd03a3dddd03a3 ...
044 TX OCTETS: dd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03
               a3dddd03a3dddd03a3dddd03a3dd ...
045 TX OCTETS: 03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3
               dddd03a3dddd03a3dddd03a3dddd ...
046 TX OCTETS: a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dd
               dd03a3dddd03a3dddd03a3dddd03 ...
047 TX OCTETS: dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd
               03a3dddd03a3dddd03a3dddd03a3 ...
048 TX OCTETS: dd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03
               a3dddd03a3dddd03a3dddd03a3dd ...
049 TX OCTETS: 03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3
               dddd03a3dddd03a3dddd03a3dddd ...
050 TX OCTETS: a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dd
               dd03a3dddd03a3dddd03a3dddd03 ...
051 TX OCTETS: dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd
               03a3dddd03a3dddd03a3dddd03a3 ...
052 TX OCTETS: dd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03
               a3dddd03a3dddd03a3dddd03a3dd ...
053 TX OCTETS: 03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3
               dddd03a3dddd03a3dddd03a3dddd ...
054 TX OCTETS: a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dd
               dd03a3dddd03a3dddd03a3dddd03 ...
055 TX OCTETS: dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd
               03a3dddd03a3dddd03a3dddd03a3 ...
056 TX OCTETS: dd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03
               a3dddd03a3dddd03a3dddd03a3dd ...
057 TX OCTETS: 03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3
               dddd03a3dddd03a3dddd03a3dddd ...
058 TX OCTETS: a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dd
               dd03a3dddd03a3dddd03a3dddd03 ...
059 TX OCTETS: dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd
               03a3dddd03a3dddd03a3dddd03a3 ...
060 TX OCTETS: dd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03
               a3dddd03a3dddd03a3dddd03a3dd ...
061 TX OCTETS: 03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3
               dddd03a3dddd03a3dddd03a3dddd ...
062 TX OCTETS: a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dd
               dd03a3dddd03a3dddd03a3dddd03 ...
063 TX OCTETS: dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd
               03a3dddd03a3dddd03a3dddd03a3 ...
064 TX OCTETS: dd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03
               a3dddd03a3dddd03a3dddd03a3dd ...
065 TX OCTETS: 03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3
               dddd03a3dddd03a3dddd03a3dddd ...
066 TX OCTETS: a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dd
               dd03a3dddd03a3dddd03a3dddd03 ...
067 TX OCTETS: dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd
               03a3dddd03a3dddd03a3dddd03a3 ...
068 TX OCTETS: dd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03
               a3dddd03a3dddd03a3dddd03a3dd ...
069 TX OCTETS: 03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3dddd03a3
               dddd03a3dddd03a3dddd03a3dddd ...
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=b79ce5d2, PAYLOAD-REPEAT-LEN=None, CHOPSIZE=None, SYNC=False
               0x03e8
074 TX OCTETS: 8882b79ce5d2b474
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