public Object readObject(Connection connection) throws IOException {
SocketChannel socketChannel = this.socketChannel;
if (socketChannel == null) throw new SocketException("Connection is closed.");
if (currentObjectLength == 0) {
// Read the length of the next object from the socket.
int lengthLength = serialization.getLengthLength();
if (readBuffer.remaining() < lengthLength) {
readBuffer.compact();
int bytesRead = socketChannel.read(readBuffer);
readBuffer.flip();
if (bytesRead == -1) throw new SocketException("Connection is closed.");
lastReadTime = System.currentTimeMillis();
if (readBuffer.remaining() < lengthLength) return null;
}
currentObjectLength = serialization.readLength(readBuffer);
if (currentObjectLength <= 0)
throw new KryoNetException("Invalid object length: " + currentObjectLength);
if (currentObjectLength > readBuffer.capacity())
throw new KryoNetException(
"Unable to read object larger than read buffer: " + currentObjectLength);
}
int length = currentObjectLength;
if (readBuffer.remaining() < length) {
// Fill the tcpInputStream.
readBuffer.compact();
int bytesRead = socketChannel.read(readBuffer);
readBuffer.flip();
if (bytesRead == -1) throw new SocketException("Connection is closed.");
lastReadTime = System.currentTimeMillis();
if (readBuffer.remaining() < length) return null;
}
currentObjectLength = 0;
int startPosition = readBuffer.position();
int oldLimit = readBuffer.limit();
readBuffer.limit(startPosition + length);
Object object;
try {
object = serialization.read(connection, readBuffer);
} catch (Exception ex) {
throw new KryoNetException("Error during deserialization.", ex);
}
readBuffer.limit(oldLimit);
if (readBuffer.position() - startPosition != length)
throw new KryoNetException(
"Incorrect number of bytes ("
+ (startPosition + length - readBuffer.position())
+ " remaining) used to deserialize object: "
+ object);
return object;
}
