src/main/c/client/packet.h

#ifndef _MCIPM_PACKET_H
#define _MCIPM_PACKET_H

#include <stdint.h>

#define MCIPM_GET_VERSION 1
#define MCIPM_GET_ENTITIES 2
#define MCIPM_REPLY_VERSION 128

#define MCIPM_GET_ENTITIES_SELECTOR_ALL 0
#define MCIPM_GET_ENTITIES_SELECTOR_WORLD 1
#define MCIPM_GET_ENTITIES_SELECTOR_ENTITY_ID 2
#define MCIPM_GET_ENTITIES_SELECTOR_ENTITY_TYPE 3

#define MCIPM_PACKET_MAX_LENGTH (16 * 1024 * 1024)

#define GET_PACKET_EOF -1
#define GET_PACKET_ERROR -2
#define GET_PACKET_SHORT_READ -3
#define GET_PACKET_TOO_SMALL -4
#define GET_PACKET_TOO_LARGE -5
#define GET_PACKET_OUT_OF_MEMORY -6
#define GET_PACKET_INCOMPLETE -7

struct mcipm_packet {
	uint32_t length;
	uint8_t type;
	uint8_t data[0];
};

int send_packet_get_version(int);
int receive_packet(int, struct mcipm_packet **, int);

#endif