pit-result.h

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#ifndef NDNDPDK_PCCT_PIT_RESULT_H
#define NDNDPDK_PCCT_PIT_RESULT_H

 
#include "pcc-entry.h"

typedef enum __rte_packed_begin PitInsertResultKind {
  PIT_INSERT_FULL = 0, 
  PIT_INSERT_PIT = 1,  
  PIT_INSERT_CS = 2,   
} __rte_packed_end PitInsertResultKind;

typedef struct PitInsertResult {
  PitInsertResultKind kind;
  union {
    PitEntry* pitEntry; 
    CsEntry* csEntry;   
  };
} PitInsertResult;

typedef enum __rte_packed_begin PitFindResultFlag {
  PIT_FIND_NONE = 0, 
 
  PIT_FIND_PIT0 = RTE_BIT32(0), 
  PIT_FIND_PIT1 = RTE_BIT32(1), 

  PIT_FIND_NEED_DIGEST = RTE_BIT32(2),
} __rte_packed_end PitFindResultFlag;

typedef struct PitFindResult {
  PccEntry* entry;
  uint8_t kind;
} PitFindResult;
 
static inline bool
PitFindResult_Is(PitFindResult res, PitFindResultFlag flag) {
  if (flag == PIT_FIND_NONE) {
    return res.kind == PIT_FIND_NONE;
  }
  return (res.kind & flag) != 0;
}
 
static inline PitEntry*
PitFindResult_GetPitEntry0(PitFindResult res) {
  if (!PitFindResult_Is(res, PIT_FIND_PIT0)) {
    return NULL;
  }
  return PccEntry_GetPitEntry0(res.entry);
}
 
static inline PitEntry*
PitFindResult_GetPitEntry1(PitFindResult res) {
  if (!PitFindResult_Is(res, PIT_FIND_PIT1)) {
    return NULL;
  }
  return PccEntry_GetPitEntry1(res.entry);
}

__attribute__((returns_nonnull)) static inline PInterest*
PitFindResult_GetInterest(PitFindResult res) {
  PitEntry* pitEntry = PitFindResult_GetPitEntry0(res);
  if (pitEntry == NULL) {
    pitEntry = PitFindResult_GetPitEntry1(res);
  }
  NDNDPDK_ASSERT(pitEntry != NULL);
  return Packet_GetInterestHdr(pitEntry->npkt);
}
 
#endif // NDNDPDK_PCCT_PIT_RESULT_H