Mon, 21 Mar 2016 20:35:58 +0100
fixed hypthetical bug, where the client address is not correctly retrieved by accept()
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1 | /* |
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2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
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3 | * |
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4 | * Copyright 2016 Mike Becker. All rights reserved. |
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5 | * |
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6 | * Redistribution and use in source and binary forms, with or without |
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7 | * modification, are permitted provided that the following conditions are met: |
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8 | * |
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9 | * 1. Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * |
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12 | * 2. Redistributions in binary form must reproduce the above copyright |
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13 | * notice, this list of conditions and the following disclaimer in the |
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14 | * documentation and/or other materials provided with the distribution. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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26 | * POSSIBILITY OF SUCH DAMAGE. |
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27 | * |
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28 | */ |
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29 | |
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30 | #ifndef TCHESS_NETWORK_H |
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31 | #define TCHESS_NETWORK_H |
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32 | |
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33 | #include <sys/socket.h> |
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34 | #include <netdb.h> |
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35 | |
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36 | #ifdef __cplusplus |
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37 | extern "C" { |
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38 | #endif |
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39 | |
43 | 40 | #define NETCODE_ACCEPT 0x02 |
41 | #define NETCODE_DECLINE 0x04 | |
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42 | #define NETCODE_GAMEINFO 0x10 |
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43 | #define NETCODE_PGNDATA 0x11 |
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44 | #define NETCODE_MOVE 0x20 |
43 | 45 | #define NETCODE_CHECK 0x22 |
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46 | #define NETCODE_CHECKMATE 0x24 |
43 | 47 | #define NETCODE_STALEMATE 0x28 |
44 | 48 | #define NETCODE_RESIGN 0x41 |
43 | 49 | #define NETCODE_REMIS 0x42 |
50 | #define NETCODE_TIMEOVER 0x44 | |
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51 | #define NETCODE_CONNLOST 0x80 |
25 | 52 | |
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53 | #define NETCODE_VERSION 16 |
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54 | |
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55 | typedef struct { |
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56 | int fd; /* -1, if we are the client */ |
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57 | struct sockaddr address; |
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58 | socklen_t address_len; |
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59 | } Client; |
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60 | |
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61 | typedef struct { |
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62 | int fd; |
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63 | struct addrinfo* info; /* NULL, if we are the server */ |
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64 | Client *client; |
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65 | } Server; |
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66 | |
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67 | int net_create(Server *server, char* port); |
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68 | int net_find(Server *server, char* host, char* port); |
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69 | |
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70 | int net_listen(Server *server); |
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71 | int net_destroy(Server *server); |
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72 | int net_connect(Server *server); |
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73 | |
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74 | void net_send_code(int socket, uint8_t code); |
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75 | void net_send_data(int socket, uint8_t code, void *data, size_t len); |
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76 | uint8_t net_recieve_code(int socket); |
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77 | void net_recieve_data(int socket, void *data, size_t len); |
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78 | |
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79 | #ifdef __cplusplus |
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80 | } |
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81 | #endif |
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82 | |
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83 | #endif /* TCHESS_NETWORK_H */ |
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84 |