packet/datagram.h

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#pragma once
 
#include <inttypes.h>
 
#include "vlcb/common/vlcb_defs.h"
#include "vlcb/platform/error.h"
 
#define VLCB_DGRAM_PKT_MAX_PAYLOAD 7
 
typedef uint8_t VlcbNetDatagramPayload[VLCB_DGRAM_PKT_MAX_PAYLOAD];
 
typedef struct {
  VlcbOpCode opc;
  uint8_t payload_len;
  VlcbNetDatagramPayload payload;
} VlcbNetPacketDatagram;
 
typedef enum {
  VLCB_DGRAM_PKT_CONSTRUCT_ERR_OK = 0,
 
  VLCB_DGRAM_PKT_CONSTRUCT_ERR_PAYLOAD_TOO_LARGE,
 
  VLCB_DGRAM_PKT_CONSTRUCT_ERR_INVALID_OPCODE,
 
  VLCB_DGRAM_PKT_CONSTRUCT_ERR_COUNT,
} VlcbNetPacketDatagramConstructErr;
 
vlcb_error
vlcb_net_pkt_dgram_ConstructErrToStr(VlcbNetPacketDatagramConstructErr err);
 
VlcbNetPacketDatagramConstructErr
vlcb_net_pkt_dgram_NewUnchecked(VlcbOpCode opc, uint8_t payload_len,
                                const VlcbNetDatagramPayload *const payload,
                                VlcbNetPacketDatagram *const packet);
VlcbNetPacketDatagramConstructErr
vlcb_net_pkt_dgram_New(VlcbOpCode opc, uint8_t payload_len,
                       const VlcbNetDatagramPayload *const payload,
                       VlcbNetPacketDatagram *const packet);