87 lines
2.3 KiB
C
87 lines
2.3 KiB
C
/*
|
|
* Kangaroo Punch MultiPlayer Game Server Mark II
|
|
* Copyright (C) 2020-2021 Scott Duensing
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
|
|
#ifndef PACKETS_H
|
|
#define PACKETS_H
|
|
|
|
|
|
#include <stdint.h>
|
|
|
|
|
|
#define PACKET_PROTOCOL_VERSION 1
|
|
|
|
|
|
// This enum is treated as BYTES in the code. Do not go over 255 entries.
|
|
// Also update array in client.c!
|
|
typedef enum PacketTypeE {
|
|
// These packets have to be first and in this order! Do not change them!
|
|
PACKET_TYPE_NONE = 0, // No packet.
|
|
PACKET_TYPE_DH_REQUEST,
|
|
PACKET_TYPE_DH_RESPONSE,
|
|
PACKET_TYPE_VERSION,
|
|
PACKET_TYPE_VERSION_BAD,
|
|
PACKET_TYPE_VERSION_OKAY,
|
|
|
|
// Packets received by only the server:
|
|
PACKET_TYPE_CLIENT_SHUTDOWN,
|
|
PACKET_TYPE_FILE_REQUEST,
|
|
PACKET_TYPE_LOGIN,
|
|
PACKET_TYPE_PONG,
|
|
PACKET_TYPE_SIGNUP,
|
|
|
|
// Packets received by only the client:
|
|
PACKET_TYPE_FILE_RESPONSE,
|
|
PACKET_TYPE_LOGIN_RESULT,
|
|
PACKET_TYPE_NUMBER,
|
|
PACKET_TYPE_PING,
|
|
PACKET_TYPE_PROCEED,
|
|
PACKET_TYPE_SERVER_SHUTDOWN,
|
|
PACKET_TYPE_SIGNUP_RESULT,
|
|
PACKET_TYPE_STRING,
|
|
|
|
// How many packet types do we recognize?
|
|
PACKET_TYPE_COUNT
|
|
} PacketTypeT;
|
|
|
|
/*
|
|
* Client -> PACKET_TYPE_FILE_REQUEST FILE_REQUEST_CHECK SHA256 VPATH
|
|
* Server -> PACKET_TYPE_FILE_RESPONSE FILE_RESPONSE_OKAY
|
|
* - or -
|
|
* Server -> PACKET_TYPE_FILE_RESPONSE FILE_RESPONSE_SEND (4 bytes length) SHA256
|
|
*
|
|
* Server -> PACKET_TYPE_FILE_RESPONSE FILE_RESPONSE_DATA (data...)
|
|
* Client -> PACKET_TYPE_FILE_REQUEST FILE_REQUEST_NEXT
|
|
* (Repeat until received data matches the length.)
|
|
*/
|
|
typedef enum FileRequestsE {
|
|
FILE_REQUEST_UNKNOWN = 0,
|
|
FILE_REQUEST_CHECK,
|
|
FILE_REQUEST_NEXT
|
|
} FileRequestsT;
|
|
|
|
typedef enum FileResponseE {
|
|
FILE_RESPONSE_UNKNOWN = 0,
|
|
FILE_RESPONSE_DATA,
|
|
FILE_RESPONSE_OKAY,
|
|
FILE_RESPONSE_SEND
|
|
} FileResponseT;
|
|
|
|
|
|
#endif // PACKETS_H
|