Autobahn WebSocket Testsuite Report
Autobahn WebSocket

tokio-websockets - Case 1.2.8 : Pass - 13 ms @ 2026-01-27T04:29:04.141Z

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: 127.0.0.1:9006
Upgrade: WebSocket
Connection: Upgrade
Pragma: no-cache
Cache-Control: no-cache
Sec-WebSocket-Key: +CbmHJLLpxsJDV+dVirk9w==
Sec-WebSocket-Version: 13
HTTP/1.1 101 Switching Protocols
Upgrade: websocket
Connection: Upgrade
Sec-WebSocket-Accept: W6hVNFg8rUrASsbRJmkeCi1jQw4=


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
1291129
65536165536
Total465679

Octets Transmitted by Chop Size

Chop SizeCountOctets
818
2421242
7451745
9976564805
Total6865800

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: 485454502f312e312031303120537769746368696e672050726f746f636f6c730d0a557067726164653a20776562736f636b
               65740d0a436f6e6e656374696f6e ...
002 TX FRAME : OPCODE=2, FIN=True, RSV=0, PAYLOAD-LEN=65536, MASK=bcda89da, PAYLOAD-REPEAT-LEN=None, CHOPSIZE=997, SYNC=False
               0xfefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefe
               fefefefefefefefefefefefefefefe ...
003 TX OCTETS: 82ff0000000000010000bcda89da422477244224772442247724422477244224772442247724422477244224772442247724
               4224772442247724422477244224 ...
004 FAIL CONNECTION AFTER 10.000000 sec
005 TX OCTETS: 2442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442
               2477244224772442247724422477 ...
006 TX OCTETS: 4224772442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224
               7724422477244224772442247724 ...
007 TX OCTETS: 2477244224772442247724422477244224772442247724422477244224772442247724422477244224772442247724422477
               2442247724422477244224772442 ...
008 TX OCTETS: 7724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442247724
               4224772442247724422477244224 ...
009 TX OCTETS: 2442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442
               2477244224772442247724422477 ...
010 TX OCTETS: 4224772442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224
               7724422477244224772442247724 ...
011 TX OCTETS: 2477244224772442247724422477244224772442247724422477244224772442247724422477244224772442247724422477
               2442247724422477244224772442 ...
012 TX OCTETS: 7724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442247724
               4224772442247724422477244224 ...
013 TX OCTETS: 2442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442
               2477244224772442247724422477 ...
014 TX OCTETS: 4224772442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224
               7724422477244224772442247724 ...
015 TX OCTETS: 2477244224772442247724422477244224772442247724422477244224772442247724422477244224772442247724422477
               2442247724422477244224772442 ...
016 TX OCTETS: 7724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442247724
               4224772442247724422477244224 ...
017 TX OCTETS: 2442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442
               2477244224772442247724422477 ...
018 TX OCTETS: 4224772442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224
               7724422477244224772442247724 ...
019 TX OCTETS: 2477244224772442247724422477244224772442247724422477244224772442247724422477244224772442247724422477
               2442247724422477244224772442 ...
020 TX OCTETS: 7724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442247724
               4224772442247724422477244224 ...
021 TX OCTETS: 2442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442
               2477244224772442247724422477 ...
022 TX OCTETS: 4224772442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224
               7724422477244224772442247724 ...
023 TX OCTETS: 2477244224772442247724422477244224772442247724422477244224772442247724422477244224772442247724422477
               2442247724422477244224772442 ...
024 TX OCTETS: 7724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442247724
               4224772442247724422477244224 ...
025 TX OCTETS: 2442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442
               2477244224772442247724422477 ...
026 TX OCTETS: 4224772442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224
               7724422477244224772442247724 ...
027 TX OCTETS: 2477244224772442247724422477244224772442247724422477244224772442247724422477244224772442247724422477
               2442247724422477244224772442 ...
028 TX OCTETS: 7724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442247724
               4224772442247724422477244224 ...
029 TX OCTETS: 2442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442
               2477244224772442247724422477 ...
030 TX OCTETS: 4224772442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224
               7724422477244224772442247724 ...
031 TX OCTETS: 2477244224772442247724422477244224772442247724422477244224772442247724422477244224772442247724422477
               2442247724422477244224772442 ...
032 TX OCTETS: 7724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442247724
               4224772442247724422477244224 ...
033 TX OCTETS: 2442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442
               2477244224772442247724422477 ...
034 TX OCTETS: 4224772442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224
               7724422477244224772442247724 ...
035 TX OCTETS: 2477244224772442247724422477244224772442247724422477244224772442247724422477244224772442247724422477
               2442247724422477244224772442 ...
036 TX OCTETS: 7724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442247724
               4224772442247724422477244224 ...
037 TX OCTETS: 2442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442
               2477244224772442247724422477 ...
038 TX OCTETS: 4224772442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224
               7724422477244224772442247724 ...
039 TX OCTETS: 2477244224772442247724422477244224772442247724422477244224772442247724422477244224772442247724422477
               2442247724422477244224772442 ...
040 TX OCTETS: 7724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442247724
               4224772442247724422477244224 ...
041 TX OCTETS: 2442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442
               2477244224772442247724422477 ...
042 TX OCTETS: 4224772442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224
               7724422477244224772442247724 ...
043 TX OCTETS: 2477244224772442247724422477244224772442247724422477244224772442247724422477244224772442247724422477
               2442247724422477244224772442 ...
044 TX OCTETS: 7724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442247724
               4224772442247724422477244224 ...
045 TX OCTETS: 2442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442
               2477244224772442247724422477 ...
046 TX OCTETS: 4224772442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224
               7724422477244224772442247724 ...
047 TX OCTETS: 2477244224772442247724422477244224772442247724422477244224772442247724422477244224772442247724422477
               2442247724422477244224772442 ...
048 TX OCTETS: 7724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442247724
               4224772442247724422477244224 ...
049 TX OCTETS: 2442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442
               2477244224772442247724422477 ...
050 TX OCTETS: 4224772442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224
               7724422477244224772442247724 ...
051 TX OCTETS: 2477244224772442247724422477244224772442247724422477244224772442247724422477244224772442247724422477
               2442247724422477244224772442 ...
052 TX OCTETS: 7724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442247724
               4224772442247724422477244224 ...
053 TX OCTETS: 2442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442
               2477244224772442247724422477 ...
054 TX OCTETS: 4224772442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224
               7724422477244224772442247724 ...
055 TX OCTETS: 2477244224772442247724422477244224772442247724422477244224772442247724422477244224772442247724422477
               2442247724422477244224772442 ...
056 TX OCTETS: 7724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442247724
               4224772442247724422477244224 ...
057 TX OCTETS: 2442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442
               2477244224772442247724422477 ...
058 TX OCTETS: 4224772442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224
               7724422477244224772442247724 ...
059 TX OCTETS: 2477244224772442247724422477244224772442247724422477244224772442247724422477244224772442247724422477
               2442247724422477244224772442 ...
060 TX OCTETS: 7724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442247724
               4224772442247724422477244224 ...
061 TX OCTETS: 2442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442
               2477244224772442247724422477 ...
062 TX OCTETS: 4224772442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224
               7724422477244224772442247724 ...
063 TX OCTETS: 2477244224772442247724422477244224772442247724422477244224772442247724422477244224772442247724422477
               2442247724422477244224772442 ...
064 TX OCTETS: 7724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442247724
               4224772442247724422477244224 ...
065 TX OCTETS: 2442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442
               2477244224772442247724422477 ...
066 TX OCTETS: 4224772442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224
               7724422477244224772442247724 ...
067 TX OCTETS: 2477244224772442247724422477244224772442247724422477244224772442247724422477244224772442247724422477
               2442247724422477244224772442 ...
068 TX OCTETS: 7724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442247724
               4224772442247724422477244224 ...
069 TX OCTETS: 2442247724422477244224772442247724422477244224772442247724422477244224772442247724422477244224772442
               2477244224772442247724422477 ...
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=4d70c500, PAYLOAD-REPEAT-LEN=None, CHOPSIZE=None, SYNC=False
               0x03e8
074 TX OCTETS: 88824d70c5004e98
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