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