collie@1 - Case 9.4.5 : Pass - 36 ms @ 2026-04-02T15:05:25.253Z
Case Description
Send fragmented binary message message with message payload of length 4 * 2**20 (4M). Sent out in fragments of 16k.
Case Expectation
Receive echo'ed binary message (with payload as sent).
Case Outcome
Received binary message of length 4194304.
Expected:
{}
Observed:
[]
Case Closing Behavior
Connection was properly closed (OK)
GET /runCase?case=272&agent=collie@1 HTTP/1.1 host: 127.0.0.1:9001 connection: upgrade upgrade: websocket sec-websocket-key: WIs+kBlC4ITOh/vBCsY3lg== sec-websocket-version: 13 sec-websocket-extensions: permessage-deflate; client_max_window_bits
HTTP/1.1 101 Switching Protocols Server: AutobahnTestSuite/25.10.1-0.10.9 X-Powered-By: AutobahnPython/0.10.9 Upgrade: WebSocket Connection: Upgrade Sec-WebSocket-Accept: oCtqIBWpUxKZF5q5WlrpVAQ6FEk=
| Key | Value | Description |
| isServer | True | True, iff I (the fuzzer) am a server, and the peer is a client. |
| closedByMe | True | True, iff I have initiated closing handshake (that is, did send close first). |
| failedByMe | False | True, 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. |
| droppedByMe | True | True, iff I dropped the TCP connection. |
| wasClean | True | True, iff full WebSocket closing handshake was performed (close frame sent and received) _and_ the server dropped the TCP (which is its responsibility). |
| wasNotCleanReason | None | When wasClean == False, the reason what happened. |
| wasServerConnectionDropTimeout | False | When we are a client, and we expected the server to drop the TCP, but that didn't happen in time, this gets True. |
| wasOpenHandshakeTimeout | False | When performing the opening handshake, but the peer did not finish in time, this gets True. |
| wasCloseHandshakeTimeout | False | When we initiated a closing handshake, but the peer did not respond in time, this gets True. |
| localCloseCode | 1000 | The close code I sent in close frame (if any). |
| localCloseReason | None | The close reason I sent in close frame (if any). |
| remoteCloseCode | 1000 | The close code the peer sent me in close frame (if any). |
| remoteCloseReason | None | The close reason the peer sent me in close frame (if any). |
| Chop Size | Count | Octets |
| 8 | 1 | 8 |
| 254 | 1 | 254 |
| 29696 | 2 | 59392 |
| 32768 | 3 | 98304 |
| 38912 | 1 | 38912 |
| 38926 | 1 | 38926 |
| 59392 | 17 | 1009664 |
| 65536 | 45 | 2949120 |
| Total | 71 | 4194580 |
| Chop Size | Count | Octets |
| 2 | 1 | 2 |
| 4 | 1 | 4 |
| 208 | 1 | 208 |
| 16388 | 256 | 4195328 |
| Total | 259 | 4195542 |
| Opcode | Count |
| 2 | 1 |
| 8 | 1 |
| Total | 2 |
| Opcode | Count |
| 0 | 256 |
| 2 | 1 |
| 8 | 1 |
| Total | 258 |
000 RX OCTETS: 474554202f72756e436173653f636173653d323732266167656e743d636f6c6c6965403120485454502f312e310d0a686f73
743a203132372e302e302e313a39 ...
001 TX OCTETS: 485454502f312e312031303120537769746368696e672050726f746f636f6c730d0a5365727665723a204175746f6261686e
5465737453756974652f32352e31 ...
002 CLOSE CONNECTION AFTER 100.000000 sec
003 TX FRAME : OPCODE=8, FIN=True, RSV=0, PAYLOAD-LEN=2, MASK=None, PAYLOAD-REPEAT-LEN=None, CHOPSIZE=None, SYNC=False
0x03e8
004 TX OCTETS: 880203e8
005 RX OCTETS: 8882e15fea95e2b7
006 RX FRAME : OPCODE=8, FIN=True, RSV=0, PAYLOAD-LEN=2, MASKED=True, MASK=6531356665613935
0x03e8
007 TCP DROPPED BY ME