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Detection of closed websocket connection

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When the websocket connection is closed, a non-empty frame (n>0) may be received with FRAME_OP_CLOSE flag bit set.
Tested with chrome 54.0.2840.99 ; after establishing the websocket connection, if the connection is not closed by javascript and the tab is closed, a frame of length n=2 is received with FRAME_OP_CLOSE flag set.
This commit is contained in:
theAirC 2016-12-08 22:04:15 +02:00 committed by Guenter Obiltschnig
parent ba4a5af389
commit f9e6b51a72
1 changed files with 1 additions and 1 deletions
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2
Net/samples/WebSocketServer/src/WebSocketServer.cpp
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@ -119,7 +119,7 @@ public:
app.logger().information(Poco::format("Frame received (length=%d, flags=0x%x).", n, unsigned(flags)));
ws.sendFrame(buffer, n, flags);
}
while (n > 0 || (flags & WebSocket::FRAME_OP_BITMASK) != WebSocket::FRAME_OP_CLOSE);
while (n > 0 && (flags & WebSocket::FRAME_OP_BITMASK) != WebSocket::FRAME_OP_CLOSE);
app.logger().information("WebSocket connection closed.");
}
catch (WebSocketException& exc)