/usr/include/mmpong/message.h is in libmmpong0.9-dev 0.9.1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 | /*
Copyright (C) 2008 Kai Hertel, André Gaul
This file is part of mmpong.
mmpong 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.
mmpong 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 mmpong. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __MESSAGE_HEADER__
#define __MESSAGE_HEADER__
#include <stdint.h>
#include <sys/time.h>
#include "game.h"
#include "dllhelper.h"
#ifdef __cplusplus
extern "C" {
#endif
#define NETMESSAGE_MAXLEN 256
#define NETMSG_SUCCESS 0
#define NETMSG_ARGINVALID (-1)
#define NETMSG_PARTIAL (-2)
#define NETMSG_END_SOCKET (-3)
#define NETMSG_FAIL_DELIVER (-4)
#define NETMSG_FAIL_SOCKET (-5)
#define NETMSG_FAIL_CONVERT (-6)
#define NETMSG_FAIL_CHECKSUM (-7)
#define NETMSG_FAIL_SYSCRITICAL (-8)
enum netmessage_type {
NETMSG_STAT= 's', // full game state
NETMSG_UPDT= 'u', // game state update
NETMSG_EXIT= 'e', // peer exits voluntarily
NETMSG_KICK= 'k', // client session terminates
NETMSG_POS= 'p' // position update
};
// no padding for structures related to the net code
#pragma pack(push, 1)
struct netmessage_header {
uint16_t id;
uint16_t len;
struct gametime_public stamp;
};
struct netmessage {
struct netmessage_header hdr;
union {
char data[NETMESSAGE_MAXLEN -sizeof(struct netmessage_header)];
struct game_state_full {
uint16_t team;
struct gameplay_public game;
} full;
struct game_state_part { // this one might need manual adjustments to stay in sync with `struct gameplay_public`
struct gametime_public stamp; // time stamp
struct gameball_public ball;
struct gamepaddle_public pad[2];
} part;
uint16_t position;
} payload;
};
#pragma pack(pop)
struct netmessage_buffer {
uint16_t sz;
struct netmessage msg;
uint16_t pos, len;
};
EXPORT int netmessage_buffer_init(struct netmessage_buffer **);
EXPORT int netmessage_buffer_flush(const int, struct netmessage_buffer *);
EXPORT int netmessage_scrambler_init(void);
EXPORT int netmessage_send(const int, const enum netmessage_type, const void *, const uint16_t, struct netmessage_buffer *);
EXPORT int netmessage_recv(const int, struct netmessage *, const uint16_t, struct netmessage_buffer *);
EXPORT int netmessage_get_hdr_stamp(const struct netmessage *, struct timeval *);
#ifdef __cplusplus
}
#endif
#endif
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