header.h

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#ifndef WIRED_PACKET_HEADER_H
#define WIRED_PACKET_HEADER_H
 
#include "common/platform/sys/syscall.h"


#define WIRED_FORM_LONG 1
#define WIRED_FORM_SHORT 0

#define WIRED_LP_INITIAL 0x0
#define WIRED_LP_0RTT 0x1
#define WIRED_LP_HANDSHAKE 0x2
#define WIRED_LP_RETRY 0x3

#define WIRED_MAX_CID_LEN 20

typedef struct {
  u8  form;                    
  u8  long_type;               
  u32 version;                 
  u8  dcid_len;                
  u8  dcid[WIRED_MAX_CID_LEN]; 
  u8  scid_len;                
  u8  scid[WIRED_MAX_CID_LEN]; 
} wired_header;

usz wired_header_parse(const u8* buf, usz n, wired_header* h);

usz wired_header_build_long(u8* buf, usz cap, const wired_header* h);
 
#endif