Autobahn WebSocket Testsuite Report
Autobahn WebSocket

go-httpbin - Case 1.2.8 : Pass - 15 ms @ 2025-10-28T09:23:44.633Z

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: 127.0.0.1:40139
Upgrade: WebSocket
Connection: Upgrade
Pragma: no-cache
Cache-Control: no-cache
Sec-WebSocket-Key: aVb9syG93Cy5Z1gTxAMWvw==
Sec-WebSocket-Version: 13
HTTP/1.1 101 Switching Protocols
Connection: upgrade
Sec-Websocket-Accept: 75uN7pSvANpkaJaeWrDL8xpmd0g=
Upgrade: websocket
Date: Tue, 28 Oct 2025 09:23:44 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=2a8b22cf, PAYLOAD-REPEAT-LEN=None, CHOPSIZE=997, SYNC=False
               0xfefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefe
               fefefefefefefefefefefefefefefe ...
003 TX OCTETS: 82ff00000000000100002a8b22cfd475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31
               d475dc31d475dc31d475dc31d475 ...
004 FAIL CONNECTION AFTER 10.000000 sec
005 TX OCTETS: 31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d4
               75dc31d475dc31d475dc31d475dc ...
006 TX OCTETS: d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475
               dc31d475dc31d475dc31d475dc31 ...
007 TX OCTETS: 75dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc
               31d475dc31d475dc31d475dc31d4 ...
008 TX OCTETS: dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31
               d475dc31d475dc31d475dc31d475 ...
009 TX OCTETS: 31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d4
               75dc31d475dc31d475dc31d475dc ...
010 TX OCTETS: d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475
               dc31d475dc31d475dc31d475dc31 ...
011 TX OCTETS: 75dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc
               31d475dc31d475dc31d475dc31d4 ...
012 TX OCTETS: dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31
               d475dc31d475dc31d475dc31d475 ...
013 TX OCTETS: 31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d4
               75dc31d475dc31d475dc31d475dc ...
014 TX OCTETS: d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475
               dc31d475dc31d475dc31d475dc31 ...
015 TX OCTETS: 75dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc
               31d475dc31d475dc31d475dc31d4 ...
016 TX OCTETS: dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31
               d475dc31d475dc31d475dc31d475 ...
017 TX OCTETS: 31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d4
               75dc31d475dc31d475dc31d475dc ...
018 TX OCTETS: d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475
               dc31d475dc31d475dc31d475dc31 ...
019 TX OCTETS: 75dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc
               31d475dc31d475dc31d475dc31d4 ...
020 TX OCTETS: dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31
               d475dc31d475dc31d475dc31d475 ...
021 TX OCTETS: 31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d4
               75dc31d475dc31d475dc31d475dc ...
022 TX OCTETS: d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475
               dc31d475dc31d475dc31d475dc31 ...
023 TX OCTETS: 75dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc
               31d475dc31d475dc31d475dc31d4 ...
024 TX OCTETS: dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31
               d475dc31d475dc31d475dc31d475 ...
025 TX OCTETS: 31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d4
               75dc31d475dc31d475dc31d475dc ...
026 TX OCTETS: d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475
               dc31d475dc31d475dc31d475dc31 ...
027 TX OCTETS: 75dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc
               31d475dc31d475dc31d475dc31d4 ...
028 TX OCTETS: dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31
               d475dc31d475dc31d475dc31d475 ...
029 TX OCTETS: 31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d4
               75dc31d475dc31d475dc31d475dc ...
030 TX OCTETS: d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475
               dc31d475dc31d475dc31d475dc31 ...
031 TX OCTETS: 75dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc
               31d475dc31d475dc31d475dc31d4 ...
032 TX OCTETS: dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31
               d475dc31d475dc31d475dc31d475 ...
033 TX OCTETS: 31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d4
               75dc31d475dc31d475dc31d475dc ...
034 TX OCTETS: d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475
               dc31d475dc31d475dc31d475dc31 ...
035 TX OCTETS: 75dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc
               31d475dc31d475dc31d475dc31d4 ...
036 TX OCTETS: dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31
               d475dc31d475dc31d475dc31d475 ...
037 TX OCTETS: 31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d4
               75dc31d475dc31d475dc31d475dc ...
038 TX OCTETS: d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475
               dc31d475dc31d475dc31d475dc31 ...
039 TX OCTETS: 75dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc
               31d475dc31d475dc31d475dc31d4 ...
040 TX OCTETS: dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31
               d475dc31d475dc31d475dc31d475 ...
041 TX OCTETS: 31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d4
               75dc31d475dc31d475dc31d475dc ...
042 TX OCTETS: d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475
               dc31d475dc31d475dc31d475dc31 ...
043 TX OCTETS: 75dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc
               31d475dc31d475dc31d475dc31d4 ...
044 TX OCTETS: dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31
               d475dc31d475dc31d475dc31d475 ...
045 TX OCTETS: 31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d4
               75dc31d475dc31d475dc31d475dc ...
046 TX OCTETS: d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475
               dc31d475dc31d475dc31d475dc31 ...
047 TX OCTETS: 75dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc
               31d475dc31d475dc31d475dc31d4 ...
048 TX OCTETS: dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31
               d475dc31d475dc31d475dc31d475 ...
049 TX OCTETS: 31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d4
               75dc31d475dc31d475dc31d475dc ...
050 TX OCTETS: d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475
               dc31d475dc31d475dc31d475dc31 ...
051 TX OCTETS: 75dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc
               31d475dc31d475dc31d475dc31d4 ...
052 TX OCTETS: dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31
               d475dc31d475dc31d475dc31d475 ...
053 TX OCTETS: 31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d4
               75dc31d475dc31d475dc31d475dc ...
054 TX OCTETS: d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475
               dc31d475dc31d475dc31d475dc31 ...
055 TX OCTETS: 75dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc
               31d475dc31d475dc31d475dc31d4 ...
056 TX OCTETS: dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31
               d475dc31d475dc31d475dc31d475 ...
057 TX OCTETS: 31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d4
               75dc31d475dc31d475dc31d475dc ...
058 TX OCTETS: d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475
               dc31d475dc31d475dc31d475dc31 ...
059 TX OCTETS: 75dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc
               31d475dc31d475dc31d475dc31d4 ...
060 TX OCTETS: dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31
               d475dc31d475dc31d475dc31d475 ...
061 TX OCTETS: 31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d4
               75dc31d475dc31d475dc31d475dc ...
062 TX OCTETS: d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475
               dc31d475dc31d475dc31d475dc31 ...
063 TX OCTETS: 75dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc
               31d475dc31d475dc31d475dc31d4 ...
064 TX OCTETS: dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31
               d475dc31d475dc31d475dc31d475 ...
065 TX OCTETS: 31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d4
               75dc31d475dc31d475dc31d475dc ...
066 TX OCTETS: d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475
               dc31d475dc31d475dc31d475dc31 ...
067 TX OCTETS: 75dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc
               31d475dc31d475dc31d475dc31d4 ...
068 TX OCTETS: dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31
               d475dc31d475dc31d475dc31d475 ...
069 TX OCTETS: 31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d475dc31d4
               75dc31d475dc31d475dc31d475dc ...
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=1434f342, PAYLOAD-REPEAT-LEN=None, CHOPSIZE=None, SYNC=False
               0x03e8
074 TX OCTETS: 88821434f34217dc
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