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/**
* Allows protocol layers above the routing layer to perform data
* aggregation or make application-specific decisions on whether to
* forward via the return value of the forward event.
*
* @author Philip Levis
* @author Kyle Jamieson
* @version $Id: Intercept.nc,v 1.6 2008-06-04 03:00:26 regehr Exp $
* @see TEP 116: Packet Protocols, TEP 119: Collection
*/
#include <TinyError.h>
#include <message.h>
interface Intercept {
/**
* Signals that a message has been received, which is supposed to be
* forwarded to another destination.
*
* @param 'message_t* ONE msg' The complete message received.
*
* @param 'void* COUNT(len) payload' The payload portion of the packet for this
* protocol layer.
*
* @param len The length of the payload buffer.
*
* @return TRUE indicates the packet should be forwarded, FALSE
* indicates that it should not be forwarded.
*
*/
event bool forward(message_t* msg, void* payload, uint8_t len);
}
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