I've come up with this, but still have a flaw there:
private function handleTcpData(event:Event):void {
var len:uint;
if (0 == _socket.bytesAvailable)
return;
try {
_socket.readBytes(_ba, _ba.bytesAvailable,
_socket.bytesAvailable);
// read the length of the UTF string to follow
while (_ba.bytesAvailable >= 2) {
len = _ba.readUnsignedShort();
// invalid length - reset
if (0 == len) {
trace('XXX invalid len = ' + len);
_ba.position = 0;
_ba.length = 0;
return;
}
if (_ba.bytesAvailable >= len) {
var str:String = _ba.readUTFBytes(len);
updateGUI(str);
// copy the remaining bytes
// (does it work? can it be improved?)
var newBA:ByteArray = new ByteArray();
newBA.readBytes(_ba);
_ba = newBA;
}
}
} catch(e:Error) {
trace('XXX ' + e);
_ba.position = 0;
_ba.length = 0;
return;
}
}
- when there are too many bytes available, for example 800
and my messages are only 400 bytes long, then it stucks.
Also I wonder, if copying remaining bytes could be
improved (i.e. without allocating a new ByteArray each time)?
Regards
Alex
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