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/*
* cteb.h: definitions supporting implementation of
* the Custody Transfer Enhancement Block (CTEB).
*
* Copyright (c) 2010-2011, Regents of the University of Colorado.
* This work was supported by NASA contracts NNJ05HE10G, NNC06CB40C, and
* NNC07CB47C.
*
* Author: Andrew Jenkins, University of Colorado
*/
#ifndef _CTEB_H_
#define _CTEB_H_
#include "bei.h"
#define EXTENSION_TYPE_CTEB 10
typedef struct {
unsigned int id;
} CtebScratchpad;
extern int cteb_offer(ExtensionBlock *, Bundle *);
extern void cteb_release(ExtensionBlock *);
extern int cteb_record(ExtensionBlock *, AcqExtBlock *);
extern int cteb_copy(ExtensionBlock *, ExtensionBlock *);
extern int cteb_processOnFwd(ExtensionBlock *, Bundle *, void *);
extern int cteb_processOnAccept(ExtensionBlock *, Bundle *, void *);
extern int cteb_processOnEnqueue(ExtensionBlock *, Bundle *, void *);
extern int cteb_processOnDequeue(ExtensionBlock *, Bundle *, void *);
extern int cteb_acquire(AcqExtBlock *, AcqWorkArea *);
extern int cteb_check(AcqExtBlock *, AcqWorkArea *);
extern void cteb_clear(AcqExtBlock *);
/* Looks in the bundle's extensions for a valid custody transfer enhancement
* block. If one is found, load the custody id.
*
* If calling before extensions have been recorded to SDR, AcqWorkArea should
* be valid; otherwise, it should be NULL.
*
* Returns -1 if no valid CTEB is found. */
extern int loadCtebScratchpad(Sdr, Bundle *, AcqWorkArea *, CtebScratchpad *);
#endif /* _CTEB_H_ */
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