interest.h

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#ifndef NDNDPDK_NDNI_INTEREST_H
#define NDNDPDK_NDNI_INTEREST_H

 
#include "name.h"

typedef struct __rte_packed_begin PInterest {
  uint32_t nonce;    
  uint32_t lifetime; 
 
  uint32_t nonceOffset; 
  uint8_t guiderSize;   
 
  uint8_t hopLimit; 
  struct {
    bool canBePrefix : 1;
    bool mustBeFresh : 1;
    uint8_t nFwHints : 3;    
    int8_t activeFwHint : 3; 
  } __rte_packed_end;
 
  PName name;
  const uint8_t* fwHintV[PInterestMaxFwHints]; 
  uint16_t fwHintL[PInterestMaxFwHints];       
  PName fwHint;                                
 
  uint64_t diskSlot; 
  Packet* diskData;  
} PInterest;

__attribute__((nonnull)) bool
PInterest_Parse(PInterest* interest, struct rte_mbuf* pkt, ParseFor parseFor);

__attribute__((nonnull)) bool
PInterest_SelectFwHint(PInterest* interest, int i);

typedef struct InterestGuiders {
  uint32_t nonce;
  uint32_t lifetime;
  uint8_t hopLimit;
} InterestGuiders;

#define PRI_InterestGuiders "nonce=%08" PRIx32 " lifetime=%" PRIu32 " hopLimit=%" PRIu8

#define InterestGuiders_Fmt(g) (g).nonce, (g).lifetime, (g).hopLimit

__attribute__((nonnull)) Packet*
Interest_ModifyGuiders(Packet* npkt, InterestGuiders guiders, PacketMempools* mp,
                       PacketTxAlign align);

typedef struct InterestTemplate {
  uint16_t prefixL;                       
  uint16_t midLen;                        
  uint16_t nonceVOffset;                  
  uint8_t prefixV[NameMaxLength];         
  uint8_t midBuf[InterestTemplateBufLen]; 
} InterestTemplate;

__attribute__((nonnull, returns_nonnull)) Packet*
InterestTemplate_Encode(const InterestTemplate* tpl, struct rte_mbuf* m, LName suffix,
                        uint32_t nonce);
 
#endif // NDNDPDK_NDNI_INTEREST_H