Line data    Source code

       1             : /* QUIC encoders footprint */
       2             : 
       3             : /* used to define functions for determining footprint upper bound
       4             :    without encoding the data */
       5             : 
       6             : /* "returns" the number of bytes encoded */
       7             : #define FD_TEMPL_ENCODE_FP(TYPE) ( sizeof(fd_quic_##TYPE) )
       8             : 
       9             : /* returns bytes to be encoded */
      10             : #define FD_TEMPL_DEF_STRUCT_BEGIN(NAME)                                   \
      11           6 :   ulong fd_quic_encode_footprint_##NAME( fd_quic_##NAME##_t * frame ) {   \
      12           6 :     (void)frame;                                                          \
      13           6 :     ulong   buf      = 0;                                                 \
      14           6 :     ulong   tmp_len  = 0;          (void)tmp_len;                         \
      15             : 
      16             : /* 1 byte for TYPE */
      17             : #define FD_TEMPL_MBR_FRAME_TYPE(NAME,ID_LO,ID_HI)                         \
      18           6 :     buf++;
      19             : 
      20             : 
      21             : /* determines footprint of element */
      22             : #define FD_TEMPL_MBR_ELEM(NAME,TYPE)                                        \
      23             :     buf += FD_TEMPL_ENCODE_FP(TYPE);                                        \
      24             : 
      25             : 
      26             : /* worst case pktnum encoded size */
      27             : #define FD_TEMPL_MBR_ELEM_PKTNUM(NAME,TYPE)                            \
      28             :     buf += 4;
      29             : 
      30             : 
      31             : /* worst case varint encoded size */
      32             : #define FD_TEMPL_MBR_ELEM_VARINT(NAME,TYPE)                            \
      33          12 :     buf += 8;                                                          \
      34             : 
      35             : 
      36             : #define FD_TEMPL_MBR_ELEM_VAR(NAME,MIN,MAX,LEN_NAME)                     \
      37             :     tmp_len = frame->LEN_NAME;                                           \
      38             :     buf += tmp_len;
      39             : 
      40             : 
      41             : #define FD_TEMPL_MBR_ELEM_VAR_RAW(NAME,MIN,MAX,LEN_NAME)                 \
      42             :     tmp_len = frame->LEN_NAME;                                           \
      43             :     buf += tmp_len;
      44             : 
      45             : #define FD_TEMPL_MBR_ELEM_RAW(NAME,BYTES) \
      46             :     buf += (BYTES);
      47             : 
      48             : /* at end, return the number of bytes consumed */
      49             : #define FD_TEMPL_DEF_STRUCT_END(NAME)                                    \
      50           6 :     return buf;                                                          \
      51           6 :   }
      52             : 
      53             : #include "fd_quic_dft.h"
      54             :