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
|
/*****************************************************************************
* ___ __ __ ___ _ __ *
* / _ \\ \/ // _ \ '_ \ *
* | (_) |> <| __/ | | | *
* \___//_/\_\\___|_| |_| *
* *
* The card game *
* *
* Copyright (C) 2011, Reiner Herrmann <reiner@reiner-h.de> *
* Mario Kilies <MarioKilies@GMX.net> *
* *
* 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 <http://www.gnu.org/licenses/>. *
* *
*****************************************************************************/
#ifndef OXEN_NET_H
#define OXEN_NET_H
#include <stdint.h>
#include <stdbool.h>
// Specifies the maximum payload length in bytes
#define NET_MSG_MAX_PAYLOAD_LENGTH 255
// Offsets within the receive buffer to easily access the data fields of the received message
#define NET_MSG_OFFSET_TYPE 0
#define NET_MSG_OFFSET_PAYLOAD_LENGTH 1
#define NET_MSG_OFFSET_PAYLOAD 2
typedef enum
{
// Specify message type identifiers here
msg_type_hello_c = 0x0,
msg_type_hello_s = 0x1,
msg_type_start_game = 0x2,
msg_type_deal_hand = 0x3,
msg_type_initial_stacks = 0x4,
msg_type_selected_card = 0x5,
msg_type_selected_card_all = 0x6,
msg_type_selected_stack_c = 0x7,
msg_type_selected_stack_s = 0x8,
msg_type_next_action = 0x9,
} msg_type_t;
// Header format
typedef struct
{
uint8_t type;
uint8_t payload_length;
} msg_header_t;
// Message format
typedef struct
{
msg_header_t hdr;
uint8_t *payload;
} msg_t;
// generic network functions
bool net_recv(const int sock, const msg_type_t wanted);
bool net_send(const int sock, const msg_type_t type, const void *data);
#endif // OXEN_NET_H
|
