[1711] | 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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[1701] | 28 | |
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[1711] | 29 | |
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[1760] | 30 | #include "Packet.h" |
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| 31 | |
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| 32 | #include <cassert> |
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[1701] | 33 | #include <enet/enet.h> |
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[1711] | 34 | #include <boost/bind.hpp> |
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[1701] | 35 | |
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| 36 | #include "network/ConnectionManager.h" |
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| 37 | #include "network/ClientInformation.h" |
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| 38 | |
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| 39 | #include "Acknowledgement.h" |
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| 40 | #include "Chat.h" |
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| 41 | #include "ClassID.h" |
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[1709] | 42 | #include "Gamestate.h" |
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[1711] | 43 | #include "Welcome.h" |
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[1907] | 44 | #include "DeleteObjects.h" |
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[1701] | 45 | #include "network/Host.h" |
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[1705] | 46 | #include "core/CoreIncludes.h" |
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[1701] | 47 | |
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| 48 | namespace network{ |
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| 49 | |
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| 50 | namespace packet{ |
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[1940] | 51 | |
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[1711] | 52 | #define PACKET_FLAG_DEFAULT ENET_PACKET_FLAG_NO_ALLOCATE |
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[1701] | 53 | #define _PACKETID 0 |
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[1940] | 54 | |
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[1711] | 55 | std::map<ENetPacket *, Packet *> Packet::packetMap_; |
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[1940] | 56 | |
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[1701] | 57 | Packet::Packet(){ |
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[1711] | 58 | flags_ = PACKET_FLAG_DEFAULT; |
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[1701] | 59 | packetDirection_ = ENUM::Outgoing; |
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| 60 | clientID_=0; |
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[1711] | 61 | data_=0; |
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[1701] | 62 | enetPacket_=0; |
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| 63 | } |
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| 64 | |
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[1712] | 65 | void blub(ENetPacket *packet){ |
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[1713] | 66 | COUT(4) << "blubb" << std::endl; |
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[1712] | 67 | } |
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| 68 | |
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[1907] | 69 | Packet::Packet(uint8_t *data, unsigned int clientID){ |
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[1711] | 70 | flags_ = PACKET_FLAG_DEFAULT; |
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[1713] | 71 | packetDirection_ = ENUM::Incoming; |
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[1711] | 72 | clientID_=clientID; |
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| 73 | data_=data; |
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[1701] | 74 | enetPacket_=0; |
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| 75 | } |
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| 76 | |
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| 77 | |
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[1711] | 78 | Packet::Packet(const Packet &p){ |
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[1712] | 79 | enetPacket_=p.enetPacket_; |
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[1711] | 80 | flags_=p.flags_; |
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[1730] | 81 | packetDirection_ = p.packetDirection_; |
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| 82 | clientID_ = p.clientID_; |
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[1711] | 83 | if(p.data_){ |
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[1907] | 84 | data_ = new uint8_t[p.getSize()]; |
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[1711] | 85 | memcpy(data_, p.data_, p.getSize()); |
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| 86 | }else |
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| 87 | data_=0; |
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[1701] | 88 | } |
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| 89 | |
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[1711] | 90 | Packet::~Packet(){ |
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[1751] | 91 | if(enetPacket_){ |
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| 92 | assert(enetPacket_->freeCallback==0); |
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[1705] | 93 | enet_packet_destroy(enetPacket_); |
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[1751] | 94 | } |
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[1711] | 95 | if(data_) |
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| 96 | delete[] data_; |
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[1705] | 97 | } |
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[1701] | 98 | |
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| 99 | bool Packet::send(){ |
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[1730] | 100 | if(packetDirection_ != ENUM::Outgoing && packetDirection_ != ENUM::Bidirectional ){ |
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[1712] | 101 | assert(0); |
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[1701] | 102 | return false; |
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[1730] | 103 | } |
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[1701] | 104 | if(!enetPacket_){ |
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[1712] | 105 | if(!data_){ |
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| 106 | assert(0); |
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[1701] | 107 | return false; |
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[1712] | 108 | } |
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[1711] | 109 | enetPacket_ = enet_packet_create(getData(), getSize(), getFlags()); |
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[1751] | 110 | enetPacket_->freeCallback = &Packet::deletePacket; |
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| 111 | // enetPacket_->freeCallback = &blub; |
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[1711] | 112 | packetMap_[enetPacket_] = this; |
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[1701] | 113 | } |
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[1940] | 114 | #ifndef NDEBUG |
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[1751] | 115 | switch( *(ENUM::Type *)(data_ + _PACKETID) ) |
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[1715] | 116 | { |
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| 117 | case ENUM::Acknowledgement: |
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| 118 | case ENUM::Chat: |
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| 119 | case ENUM::ClassID: |
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| 120 | case ENUM::Gamestate: |
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| 121 | case ENUM::Welcome: |
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[1907] | 122 | case ENUM::DeleteObjects: |
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[1751] | 123 | break; |
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[1715] | 124 | default: |
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[1751] | 125 | assert(0); //there was some error, if this is the case |
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[1715] | 126 | break; |
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[1751] | 127 | } |
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| 128 | #endif |
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| 129 | ENetPacket *temp = enetPacket_; |
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[1705] | 130 | enetPacket_ = 0; // otherwise we have a double free because enet already handles the deallocation of the packet |
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[1751] | 131 | network::Host::addPacket( temp, clientID_); |
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[1701] | 132 | return true; |
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| 133 | } |
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| 134 | |
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[1711] | 135 | Packet *Packet::createPacket(ENetPacket *packet, ENetPeer *peer){ |
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[1907] | 136 | uint8_t *data = packet->data; |
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[1960] | 137 | assert(ClientInformation::findClient(&peer->address)->getID() != (unsigned int)-2 || !Host::isServer()); |
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[1711] | 138 | unsigned int clientID = ClientInformation::findClient(&peer->address)->getID(); |
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| 139 | Packet *p; |
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[1907] | 140 | COUT(5) << "packet type: " << *(ENUM::Type *)&data[_PACKETID] << std::endl; |
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[1715] | 141 | switch( *(ENUM::Type *)(data + _PACKETID) ) |
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[1701] | 142 | { |
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| 143 | case ENUM::Acknowledgement: |
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[1907] | 144 | COUT(4) << "ack" << std::endl; |
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[1711] | 145 | p = new Acknowledgement( data, clientID ); |
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[1701] | 146 | break; |
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| 147 | case ENUM::Chat: |
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[1907] | 148 | COUT(4) << "chat" << std::endl; |
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[1711] | 149 | p = new Chat( data, clientID ); |
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[1701] | 150 | break; |
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| 151 | case ENUM::ClassID: |
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[1907] | 152 | COUT(4) << "classid" << std::endl; |
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[1711] | 153 | p = new ClassID( data, clientID ); |
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[1701] | 154 | break; |
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| 155 | case ENUM::Gamestate: |
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[1907] | 156 | COUT(4) << "gamestate" << std::endl; |
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[1701] | 157 | // TODO: remove brackets |
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[1715] | 158 | p = new Gamestate( data, clientID ); |
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[1701] | 159 | break; |
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[1711] | 160 | case ENUM::Welcome: |
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[1907] | 161 | COUT(4) << "welcome" << std::endl; |
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[1711] | 162 | p = new Welcome( data, clientID ); |
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[1715] | 163 | break; |
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[1907] | 164 | case ENUM::DeleteObjects: |
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| 165 | COUT(4) << "deleteobjects" << std::endl; |
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| 166 | p = new DeleteObjects( data, clientID ); |
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| 167 | break; |
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[1701] | 168 | default: |
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[1710] | 169 | assert(0); //TODO: repair this |
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| 170 | break; |
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[1701] | 171 | } |
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[1711] | 172 | return p; |
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[1701] | 173 | } |
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| 174 | |
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[1711] | 175 | void Packet::deletePacket(ENetPacket *packet){ |
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| 176 | assert(packetMap_[packet]); |
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[1751] | 177 | assert(packetMap_[packet]->enetPacket_==0); |
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[1711] | 178 | delete packetMap_[packet]; |
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| 179 | } |
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| 180 | |
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[1701] | 181 | } // namespace packet |
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| 182 | |
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| 183 | } // namespace network |
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| 184 | |
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