Autobahn WebSocket Testsuite Report
Autobahn WebSocket

websock server - Case 1.1.8 : Pass - 12 ms @ 2026-06-02T16:13:28.589Z

Case Description

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

Case Expectation

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

Case Outcome

Actual events match at least one expected.

Expected:
{'OK': [('message', u'**************************************************************** ...', False)]}

Observed:
[('message', u'**************************************************************** ...', False)]

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: JB+a/NCpSC+nqQlZzLM+Bg==
Sec-WebSocket-Version: 13
HTTP/1.1 101 Switching Protocols
Date: Tue, 02 Jun 2026 16:13:28 GMT
Connection: Upgrade
Upgrade: websocket
Sec-Websocket-Accept: aRjsrTQP4evKbghnBjKLTd18F+o=


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
10110
1661166
65536165536
Total365712

Octets Transmitted by Chop Size

Chop SizeCountOctets
818
2441244
7451745
9976564805
Total6865802

Frames Received by Opcode

OpcodeCount
11
Total1

Frames Transmitted by Opcode

OpcodeCount
11
81
Total2


Wire Log

000 TX OCTETS: 474554202f777320485454502f312e310d0a557365722d4167656e743a204175746f6261686e5465737453756974652f3235
               2e31302e312d302e31302e390d0a ...
001 RX OCTETS: 485454502f312e312031303120537769746368696e672050726f746f636f6c730d0a446174653a205475652c203032204a75
               6e20323032362031363a31333a32 ...
002 TX FRAME : OPCODE=1, FIN=True, RSV=0, PAYLOAD-LEN=65536, MASK=ae93a50d, PAYLOAD-REPEAT-LEN=None, CHOPSIZE=997, SYNC=False
               **************************************************************** ...
003 TX OCTETS: 81ff0000000000010000ae93a50d84b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f27
               84b98f2784b98f2784b98f2784b9 ...
004 FAIL CONNECTION AFTER 10.000000 sec
005 TX OCTETS: 2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784
               b98f2784b98f2784b98f2784b98f ...
006 TX OCTETS: 84b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b9
               8f2784b98f2784b98f2784b98f27 ...
007 TX OCTETS: b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f
               2784b98f2784b98f2784b98f2784 ...
008 TX OCTETS: 8f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f27
               84b98f2784b98f2784b98f2784b9 ...
009 TX OCTETS: 2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784
               b98f2784b98f2784b98f2784b98f ...
010 TX OCTETS: 84b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b9
               8f2784b98f2784b98f2784b98f27 ...
011 TX OCTETS: b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f
               2784b98f2784b98f2784b98f2784 ...
012 TX OCTETS: 8f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f27
               84b98f2784b98f2784b98f2784b9 ...
013 TX OCTETS: 2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784
               b98f2784b98f2784b98f2784b98f ...
014 TX OCTETS: 84b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b9
               8f2784b98f2784b98f2784b98f27 ...
015 TX OCTETS: b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f
               2784b98f2784b98f2784b98f2784 ...
016 TX OCTETS: 8f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f27
               84b98f2784b98f2784b98f2784b9 ...
017 TX OCTETS: 2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784
               b98f2784b98f2784b98f2784b98f ...
018 TX OCTETS: 84b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b9
               8f2784b98f2784b98f2784b98f27 ...
019 TX OCTETS: b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f
               2784b98f2784b98f2784b98f2784 ...
020 TX OCTETS: 8f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f27
               84b98f2784b98f2784b98f2784b9 ...
021 TX OCTETS: 2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784
               b98f2784b98f2784b98f2784b98f ...
022 TX OCTETS: 84b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b9
               8f2784b98f2784b98f2784b98f27 ...
023 TX OCTETS: b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f
               2784b98f2784b98f2784b98f2784 ...
024 TX OCTETS: 8f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f27
               84b98f2784b98f2784b98f2784b9 ...
025 TX OCTETS: 2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784
               b98f2784b98f2784b98f2784b98f ...
026 TX OCTETS: 84b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b9
               8f2784b98f2784b98f2784b98f27 ...
027 TX OCTETS: b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f
               2784b98f2784b98f2784b98f2784 ...
028 TX OCTETS: 8f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f27
               84b98f2784b98f2784b98f2784b9 ...
029 TX OCTETS: 2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784
               b98f2784b98f2784b98f2784b98f ...
030 TX OCTETS: 84b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b9
               8f2784b98f2784b98f2784b98f27 ...
031 TX OCTETS: b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f
               2784b98f2784b98f2784b98f2784 ...
032 TX OCTETS: 8f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f27
               84b98f2784b98f2784b98f2784b9 ...
033 TX OCTETS: 2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784
               b98f2784b98f2784b98f2784b98f ...
034 TX OCTETS: 84b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b9
               8f2784b98f2784b98f2784b98f27 ...
035 TX OCTETS: b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f
               2784b98f2784b98f2784b98f2784 ...
036 TX OCTETS: 8f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f27
               84b98f2784b98f2784b98f2784b9 ...
037 TX OCTETS: 2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784
               b98f2784b98f2784b98f2784b98f ...
038 TX OCTETS: 84b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b9
               8f2784b98f2784b98f2784b98f27 ...
039 TX OCTETS: b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f
               2784b98f2784b98f2784b98f2784 ...
040 TX OCTETS: 8f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f27
               84b98f2784b98f2784b98f2784b9 ...
041 TX OCTETS: 2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784
               b98f2784b98f2784b98f2784b98f ...
042 TX OCTETS: 84b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b9
               8f2784b98f2784b98f2784b98f27 ...
043 TX OCTETS: b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f
               2784b98f2784b98f2784b98f2784 ...
044 TX OCTETS: 8f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f27
               84b98f2784b98f2784b98f2784b9 ...
045 TX OCTETS: 2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784
               b98f2784b98f2784b98f2784b98f ...
046 TX OCTETS: 84b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b9
               8f2784b98f2784b98f2784b98f27 ...
047 TX OCTETS: b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f
               2784b98f2784b98f2784b98f2784 ...
048 TX OCTETS: 8f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f27
               84b98f2784b98f2784b98f2784b9 ...
049 TX OCTETS: 2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784
               b98f2784b98f2784b98f2784b98f ...
050 TX OCTETS: 84b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b9
               8f2784b98f2784b98f2784b98f27 ...
051 TX OCTETS: b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f
               2784b98f2784b98f2784b98f2784 ...
052 TX OCTETS: 8f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f27
               84b98f2784b98f2784b98f2784b9 ...
053 TX OCTETS: 2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784
               b98f2784b98f2784b98f2784b98f ...
054 TX OCTETS: 84b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b9
               8f2784b98f2784b98f2784b98f27 ...
055 TX OCTETS: b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f
               2784b98f2784b98f2784b98f2784 ...
056 TX OCTETS: 8f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f27
               84b98f2784b98f2784b98f2784b9 ...
057 TX OCTETS: 2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784
               b98f2784b98f2784b98f2784b98f ...
058 TX OCTETS: 84b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b9
               8f2784b98f2784b98f2784b98f27 ...
059 TX OCTETS: b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f
               2784b98f2784b98f2784b98f2784 ...
060 TX OCTETS: 8f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f27
               84b98f2784b98f2784b98f2784b9 ...
061 TX OCTETS: 2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784
               b98f2784b98f2784b98f2784b98f ...
062 TX OCTETS: 84b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b9
               8f2784b98f2784b98f2784b98f27 ...
063 TX OCTETS: b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f
               2784b98f2784b98f2784b98f2784 ...
064 TX OCTETS: 8f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f27
               84b98f2784b98f2784b98f2784b9 ...
065 TX OCTETS: 2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784
               b98f2784b98f2784b98f2784b98f ...
066 TX OCTETS: 84b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b9
               8f2784b98f2784b98f2784b98f27 ...
067 TX OCTETS: b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f
               2784b98f2784b98f2784b98f2784 ...
068 TX OCTETS: 8f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f27
               84b98f2784b98f2784b98f2784b9 ...
069 TX OCTETS: 2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784b98f2784
               b98f2784b98f2784b98f2784b98f ...
070 RX OCTETS: 817f00000000000100002a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a
               2a2a2a2a2a2a2a2a2a2a2a2a2a2a ...
071 RX OCTETS: 2a2a2a2a2a2a2a2a2a2a
072 RX FRAME : OPCODE=1, FIN=True, RSV=0, PAYLOAD-LEN=65536, MASKED=False, MASK=None
               **************************************************************** ...
073 TX FRAME : OPCODE=8, FIN=True, RSV=0, PAYLOAD-LEN=2, MASK=8e48a915, PAYLOAD-REPEAT-LEN=None, CHOPSIZE=None, SYNC=False
               0x03e8
074 TX OCTETS: 88828e48a9158da0
075 TCP DROPPED BY PEER