/**
* Performs a deep copy of the contents of the buffer into packet's internal memory buffer if that
* buffer is large enough, otherwise a new buffer is allocated. Both packet's state and data are
* then peered with the internal buffer containing the copy of the supplied buffer
*
* @param buffer buffer containing both state and data in the form
* <pre>
* +--------------+-------------+
* | packet state | packet data |
* +--------------+-------------+
* </pre>
*
* @return number of bytes copied
*/
public int transferStateAndDataFrom(ByteBuffer buffer) {
final int len = buffer.limit() - buffer.position();
JBuffer b = getMemoryBuffer(len);
b.transferFrom(buffer, 0);
return peerStateAndData(b, 0);
}
/**
* Performs a deep copy of the contents of the buffer into packet's internal memory buffer if that
* buffer is large enough, otherwise a new buffer is allocated. Both packet's state and data are
* then peered with the internal buffer containing the copy of the supplied buffer
*
* @param buffer buffer containing both state and data in the form
* <pre>
* +--------------+-------------+
* | packet state | packet data |
* +--------------+-------------+
* </pre>
*
* @return number of bytes copied
*/
public int transferStateAndDataFrom(JBuffer buffer) {
final int len = buffer.size();
JBuffer b = getMemoryBuffer(len);
b.transferFrom(buffer);
return peerStateAndData(b, 0);
}
/**
* Initializes the packet's state and data by doing a deep copy of the contents of the buffer.
*
* @param buffer buffer containing both state and data in the form
* <pre>
* +--------------+-------------+
* | packet state | packet data |
* +--------------+-------------+
* </pre>
*/
public JMemoryPacket(JBuffer buffer) {
super(POINTER);
header.setWirelen(buffer.size());
final int len = buffer.size();
JBuffer b = getMemoryBuffer(len);
b.transferFrom(buffer); // Make a buffer to buffer copy
peer(b, 0, len);
header.setWirelen(len);
}
