1 | /* |
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2 | * ORXONOX - the hottest 3D action shooter ever to exist |
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3 | * > www.orxonox.net < |
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4 | * |
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5 | * |
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6 | * License notice: |
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7 | * |
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8 | * This program is free software; you can redistribute it and/or |
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9 | * modify it under the terms of the GNU General Public License |
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10 | * as published by the Free Software Foundation; either version 2 |
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11 | * of the License, or (at your option) any later version. |
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12 | * |
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13 | * This program is distributed in the hope that it will be useful, |
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 | * GNU General Public License for more details. |
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17 | * |
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18 | * You should have received a copy of the GNU General Public License |
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19 | * along with this program; if not, write to the Free Software |
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20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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21 | * |
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22 | * Author: |
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23 | * Oliver Scheuss, (C) 2008 |
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24 | * Co-authors: |
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25 | * ... |
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26 | * |
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27 | */ |
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28 | |
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29 | |
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30 | #include <enet/enet.h> |
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31 | #include <boost/bind.hpp> |
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32 | |
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33 | #include "Packet.h" |
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34 | #include "network/ConnectionManager.h" |
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35 | #include "network/ClientInformation.h" |
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36 | |
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37 | #include "Acknowledgement.h" |
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38 | #include "Chat.h" |
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39 | #include "ClassID.h" |
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40 | #include "Gamestate.h" |
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41 | #include "Welcome.h" |
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42 | #include "network/Host.h" |
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43 | #include "core/CoreIncludes.h" |
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44 | |
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45 | namespace network{ |
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46 | |
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47 | namespace packet{ |
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48 | |
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49 | #define PACKET_FLAG_DEFAULT ENET_PACKET_FLAG_NO_ALLOCATE |
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50 | #define _PACKETID 0 |
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51 | |
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52 | std::map<ENetPacket *, Packet *> Packet::packetMap_; |
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53 | |
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54 | Packet::Packet(){ |
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55 | flags_ = PACKET_FLAG_DEFAULT; |
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56 | packetDirection_ = ENUM::Outgoing; |
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57 | clientID_=0; |
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58 | data_=0; |
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59 | enetPacket_=0; |
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60 | } |
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61 | |
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62 | void blub(ENetPacket *packet){ |
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63 | COUT(0) << "blubb" << std::endl; |
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64 | } |
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65 | |
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66 | Packet::Packet(unsigned char *data, int clientID){ |
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67 | flags_ = PACKET_FLAG_DEFAULT; |
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68 | packetDirection_ = ENUM::Outgoing; |
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69 | clientID_=clientID; |
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70 | data_=data; |
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71 | enetPacket_=0; |
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72 | } |
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73 | |
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74 | Packet::Packet(ENetPacket *packet, ENetPeer *peer){ |
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75 | packetDirection_ = ENUM::Incoming; |
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76 | enetPacket_ = packet; |
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77 | clientID_ = ClientInformation::findClient(&peer->address)->getID(); |
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78 | data_ = packet->data; |
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79 | } |
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80 | |
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81 | Packet::Packet(const Packet &p){ |
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82 | enetPacket_=p.enetPacket_; |
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83 | flags_=p.flags_; |
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84 | if(p.data_){ |
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85 | data_ = new unsigned char[p.getSize()]; |
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86 | memcpy(data_, p.data_, p.getSize()); |
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87 | }else |
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88 | data_=0; |
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89 | } |
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90 | |
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91 | Packet::~Packet(){ |
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92 | if(enetPacket_) |
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93 | enet_packet_destroy(enetPacket_); |
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94 | if(data_) |
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95 | delete[] data_; |
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96 | } |
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97 | |
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98 | bool Packet::send(){ |
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99 | /*if(packetDirection_ != ENUM::Outgoing && packetDirection_ != ENUM::Bidirectional ){ |
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100 | assert(0); |
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101 | return false; |
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102 | }*/ |
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103 | if(!enetPacket_){ |
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104 | if(!data_){ |
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105 | assert(0); |
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106 | return false; |
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107 | } |
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108 | enetPacket_ = enet_packet_create(getData(), getSize(), getFlags()); |
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109 | enetPacket_->freeCallback = &blub; |
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110 | packetMap_[enetPacket_] = this; |
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111 | } |
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112 | network::Host::addPacket( enetPacket_, clientID_); |
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113 | enetPacket_ = 0; // otherwise we have a double free because enet already handles the deallocation of the packet |
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114 | return true; |
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115 | } |
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116 | |
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117 | Packet *Packet::createPacket(ENetPacket *packet, ENetPeer *peer){ |
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118 | unsigned char *data = packet->data; |
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119 | unsigned int clientID = ClientInformation::findClient(&peer->address)->getID(); |
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120 | Packet *p; |
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121 | switch( *(ENUM::Type *)&data[_PACKETID] ) |
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122 | { |
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123 | case ENUM::Acknowledgement: |
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124 | p = new Acknowledgement( data, clientID ); |
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125 | break; |
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126 | case ENUM::Chat: |
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127 | p = new Chat( data, clientID ); |
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128 | break; |
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129 | case ENUM::ClassID: |
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130 | p = new ClassID( data, clientID ); |
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131 | break; |
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132 | case ENUM::Gamestate: |
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133 | // TODO: remove brackets |
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134 | p = new Gamestate( data, true, clientID ); |
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135 | break; |
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136 | case ENUM::Welcome: |
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137 | p = new Welcome( data, clientID ); |
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138 | default: |
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139 | assert(0); //TODO: repair this |
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140 | break; |
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141 | } |
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142 | return p; |
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143 | } |
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144 | |
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145 | void Packet::deletePacket(ENetPacket *packet){ |
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146 | assert(packetMap_[packet]); |
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147 | delete packetMap_[packet]; |
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148 | } |
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149 | |
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150 | } // namespace packet |
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151 | |
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152 | } // namespace network |
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153 | |
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