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/*****************************************************************************/ /* HPACK.h */ /*****************************************************************************/ #ifndef HPACK_H_LOADED #define HPACK_H_LOADED 1 #include "wasd.h" #include "types.h" #define HPACK_STATIC_TABLE_COUNT 61 /**************/ /* structures */ /**************/ /* required forward declaration */ typedef struct Http2Struct HTTP2_STRUCT; #pragma member_alignment __save #pragma member_alignment typedef struct HpackEntryStruct HPACK_ENTRY_STRUCT; typedef struct HpackTableStruct HPACK_TABLE_STRUCT; /* doesn't have to be 32 bytes, just makes it a little more intuitive */ /* 32 bit everything so 7 x 4 := 28 bytes plus 4 byte "buffer" := 32 bytes */ struct HpackEntryStruct { void *flink, *blink; uint hits, nlen, vlen; uchar *name, *value; /* "buffer" space also allows for terminating nulls on the two strings */ uchar buffer [4]; /* the actual buffer space used continues with allocated memory */ }; struct HpackTableStruct { HPACK_ENTRY_STRUCT *head, *tail; uint baseline, count, max, size; HTTP2_STRUCT *h2ptr; }; #pragma member_alignment __restore /***********************/ /* function prototypes */ /***********************/ int HpackAddToTable (HPACK_TABLE_STRUCT*, uchar*, uint, uchar*, uint); uchar* HpackDecodeHuff4 (uchar*, uchar, uchar*, int*); int HpackDecodeInt32 (HTTP2_STRUCT*, uchar**, uchar*, uint, uint*); int HpackDecodeString (HTTP2_STRUCT*, uchar**, uchar*, uchar**, uint**); int HpackEncodeInt32 (HTTP2_STRUCT*, uchar**, uchar*, uint, uint); int HpackEncodeString (HTTP2_STRUCT*, uchar**, uchar*, uchar*, uint); int HpackFindInTable (HPACK_TABLE_STRUCT*, uchar*, uint, uchar*, uint); int HpackGetIndex (HPACK_TABLE_STRUCT*, uint, uchar**, uint**, uchar**, uint**); void HpackInit (); int HpackHeadersFrame (HPACK_TABLE_STRUCT*, uint, uint, uchar*, uint); void HpackTrimTable (HPACK_TABLE_STRUCT*); void HpackReport (REQUEST_STRUCT*, uchar*); void HpackWatchTable (HPACK_TABLE_STRUCT*); #endif /* HPACK_H_LOADED */ /*****************************************************************************/