mip_packet.h

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#pragma once
 
#include "mip_types.h"
 
#ifdef __cplusplus
namespace mip{
namespace C {
extern "C" {
#endif
 
 
 
 
 
typedef uint_least16_t packet_length;  
 
typedef struct mip_packet
{
    uint8_t*       _buffer;        
    uint_least16_t _buffer_length;  
} mip_packet;
 
 
 
void mip_packet_create(mip_packet* packet, uint8_t* buffer, size_t buffer_size, uint8_t descriptor_set);
 
bool            mip_packet_add_field(mip_packet* packet, uint8_t field_descriptor, const uint8_t* payload, uint8_t payload_length);
remaining_count mip_packet_alloc_field(mip_packet* packet, uint8_t field_descriptor, uint8_t payload_length, uint8_t** payload_ptr_out);
remaining_count mip_packet_realloc_last_field(mip_packet* packet, uint8_t* payload_ptr, uint8_t new_payload_length);
remaining_count mip_packet_cancel_last_field(mip_packet* packet, uint8_t* payload_ptr);
 
void mip_packet_finalize(mip_packet* packet);
 
void mip_packet_reset(mip_packet* packet, uint8_t descriptor_set);
 
 
void mip_packet_from_buffer(mip_packet* packet, uint8_t* buffer, size_t length);
 
uint8_t         mip_packet_descriptor_set(const mip_packet* packet);
packet_length   mip_packet_total_length(const mip_packet* packet);
uint8_t         mip_packet_payload_length(const mip_packet* packet);
uint8_t*        mip_packet_buffer(mip_packet* packet);
const uint8_t*  mip_packet_pointer(const mip_packet* packet);
const uint8_t*  mip_packet_payload(const mip_packet* packet);
uint16_t        mip_packet_checksum_value(const mip_packet* packet);
uint16_t        mip_packet_compute_checksum(const mip_packet* packet);
 
 
bool            mip_packet_is_sane(const mip_packet* packet);
bool            mip_packet_is_valid(const mip_packet* packet);
bool            mip_packet_is_empty(const mip_packet* packet);
 
packet_length   mip_packet_buffer_size(const mip_packet* packet);
remaining_count mip_packet_remaining_space(const mip_packet* packet);
 
bool            mip_packet_is_data(const mip_packet* packet);
 
 
#ifdef __cplusplus
} // namespace mip
} // namespace C
} // extern "C"
#endif