| 1 | /* | 
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| 2 | orxonox - the future of 3D-vertical-scrollers | 
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| 3 |  | 
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| 4 | Copyright (C) 2004 orx | 
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| 5 |  | 
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| 6 | This program is free software; you can redistribute it and/or modify | 
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| 7 | it under the terms of the GNU General Public License as published by | 
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| 8 | the Free Software Foundation; either version 2, or (at your option) | 
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| 9 | any later version. | 
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| 10 |  | 
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| 11 | ### File Specific: | 
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| 12 | main-programmer: Christoph Renner | 
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| 13 | co-programmer: ... | 
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| 14 | */ | 
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| 15 |  | 
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| 16 | //#define DEBUG_SPECIAL_MODULE DEBUG_MODULE_ | 
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| 17 |  | 
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| 18 | #include "udp_broadcast.h" | 
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| 19 |  | 
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| 20 | /** | 
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| 21 | * standard constructor | 
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| 22 | * @todo this constructor is not jet implemented - do it | 
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| 23 | */ | 
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| 24 | UdpBroadcast::UdpBroadcast () | 
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| 25 | { | 
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| 26 | this->port = 0; | 
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| 27 | packet = SDLNet_AllocPacket( BROADCAST_PACKET_SIZE ); | 
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| 28 |  | 
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| 29 | if ( !packet ) | 
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| 30 | { | 
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| 31 | printf( "SDLNet_AllocPacket: %s\n", SDLNet_GetError() ); | 
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| 32 | assert( packet ); | 
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| 33 | } | 
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| 34 |  | 
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| 35 | this->socket = NULL; | 
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| 36 | } | 
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| 37 |  | 
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| 38 |  | 
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| 39 | /** | 
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| 40 | * standard deconstructor | 
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| 41 | */ | 
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| 42 | UdpBroadcast::~UdpBroadcast () | 
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| 43 | { | 
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| 44 | if ( this->packet ) | 
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| 45 | { | 
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| 46 | SDLNet_FreePacket( this->packet ); | 
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| 47 | this->packet = NULL; | 
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| 48 | } | 
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| 49 |  | 
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| 50 | if ( this->socket ) | 
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| 51 | { | 
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| 52 | SDLNet_UDP_Close( this->socket ); | 
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| 53 | this->socket = NULL; | 
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| 54 | } | 
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| 55 |  | 
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| 56 | } | 
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| 57 |  | 
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| 58 | /** | 
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| 59 | * listen for incoming broadcast packets | 
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| 60 | * @param port port to listen on | 
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| 61 | * @return true on success | 
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| 62 | */ | 
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| 63 | bool UdpBroadcast::listen( int port ) | 
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| 64 | { | 
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| 65 | return true; | 
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| 66 | } | 
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| 67 |  | 
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| 68 | /** | 
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| 69 | * prepare for sending broadcast packets to port | 
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| 70 | * @param port port to send to | 
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| 71 | * @return true on success | 
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| 72 | */ | 
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| 73 | bool UdpBroadcast::open( int port ) | 
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| 74 | { | 
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| 75 | this->port = port; | 
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| 76 |  | 
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| 77 | return true; | 
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| 78 | } | 
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| 79 |  | 
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| 80 | /** | 
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| 81 | * send packet | 
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| 82 | * @param data data to send | 
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| 83 | * @param length length of data | 
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| 84 | * @param ip if ip == NULL broadcast is used | 
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| 85 | * @return number of bytes sent | 
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| 86 | */ | 
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| 87 | int UdpBroadcast::send( byte * data, int length, IPaddress * ip ) | 
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| 88 | { | 
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| 89 | return 0; | 
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| 90 | } | 
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| 91 |  | 
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| 92 | /** | 
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| 93 | * recieve packets | 
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| 94 | * @param data pointer to buffer to copy data to | 
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| 95 | * @param maxLength maxmal number of bytes to copy to data | 
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| 96 | * @param ip if != 0 ip contains data about sender | 
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| 97 | * @return number of bytes recieved | 
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| 98 | */ | 
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| 99 | int UdpBroadcast::recv( byte * data, int maxLength, IPaddress * ip ) | 
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| 100 | { | 
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| 101 | return 0; | 
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| 102 | } | 
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| 103 |  | 
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| 104 |  | 
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