~kennylevinsen/seatd

seatd/include/protocol.h -rw-r--r-- 1.4 KiB
355cc9c9Kenny Levinsen meson: Support building builtin without seatd 19 days ago
                                                                                
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#ifndef _SEATD_CONSTANTS_H
#define _SEATD_CONSTANTS_H

#define MAX_PATH_LEN	 256
#define MAX_SEAT_LEN	 64
#define MAX_SEAT_DEVICES 128
#define MAX_SESSION_LEN	 64

#define CLIENT_EVENT(opcode) (opcode)
#define SERVER_EVENT(opcode) ((opcode) + (1 << 15))

#define CLIENT_OPEN_SEAT      CLIENT_EVENT(1)
#define CLIENT_CLOSE_SEAT     CLIENT_EVENT(2)
#define CLIENT_OPEN_DEVICE    CLIENT_EVENT(3)
#define CLIENT_CLOSE_DEVICE   CLIENT_EVENT(4)
#define CLIENT_DISABLE_SEAT   CLIENT_EVENT(5)
#define CLIENT_SWITCH_SESSION CLIENT_EVENT(6)

#define SERVER_SEAT_OPENED   SERVER_EVENT(1)
#define SERVER_SEAT_CLOSED   SERVER_EVENT(2)
#define SERVER_DEVICE_OPENED SERVER_EVENT(3)
#define SERVER_DEVICE_CLOSED SERVER_EVENT(4)
#define SERVER_DISABLE_SEAT  SERVER_EVENT(5)
#define SERVER_ENABLE_SEAT   SERVER_EVENT(6)
#define SERVER_ERROR	     SERVER_EVENT(0x7FFF)

#include <stdint.h>

struct proto_header {
	uint16_t opcode;
	uint16_t size;
};

struct proto_client_open_device {
	uint16_t path_len;
	// NULL-terminated byte-sequence path_len long follows
};

struct proto_client_close_device {
	int device_id;
};

struct proto_client_switch_session {
	int session;
};

struct proto_server_seat_opened {
	uint16_t seat_name_len;
	// NULL-terminated byte-sequence seat_name_len long follows
};

struct proto_server_device_opened {
	int device_id;
	// One fd in auxillary data
};

struct proto_server_error {
	int error_code;
};

#endif