Planet
navi homePPSaboutscreenshotsdownloaddevelopmentforum

source: code/trunk/src/network/packet/Packet.cc @ 1850

Last change on this file since 1850 was 1763, checked in by rgrieder, 16 years ago

added svn:eol-style native to all the files that were missing it

  • Property svn:eol-style set to native
File size: 4.6 KB
RevLine 
[1711]1/*
2 *   ORXONOX - the hottest 3D action shooter ever to exist
3 *                    > www.orxonox.net <
4 *
5 *
6 *   License notice:
7 *
8 *   This program is free software; you can redistribute it and/or
9 *   modify it under the terms of the GNU General Public License
10 *   as published by the Free Software Foundation; either version 2
11 *   of the License, or (at your option) any later version.
12 *
13 *   This program is distributed in the hope that it will be useful,
14 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 *   GNU General Public License for more details.
17 *
18 *   You should have received a copy of the GNU General Public License
19 *   along with this program; if not, write to the Free Software
20 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
21 *
22 *   Author:
23 *      Oliver Scheuss, (C) 2008
24 *   Co-authors:
25 *      ...
26 *
27 */
[1701]28
[1711]29
[1760]30#include "Packet.h"
31
32#include <cassert>
[1701]33#include <enet/enet.h>
[1711]34#include <boost/bind.hpp>
[1701]35
36#include "network/ConnectionManager.h"
37#include "network/ClientInformation.h"
38
39#include "Acknowledgement.h"
40#include "Chat.h"
41#include "ClassID.h"
[1709]42#include "Gamestate.h"
[1711]43#include "Welcome.h"
[1701]44#include "network/Host.h"
[1705]45#include "core/CoreIncludes.h"
[1701]46
47namespace network{
48
49namespace packet{
50 
[1711]51#define PACKET_FLAG_DEFAULT ENET_PACKET_FLAG_NO_ALLOCATE
[1701]52#define _PACKETID           0
53 
[1711]54std::map<ENetPacket *, Packet *> Packet::packetMap_;
[1701]55 
56Packet::Packet(){
[1711]57  flags_ = PACKET_FLAG_DEFAULT;
[1701]58  packetDirection_ = ENUM::Outgoing;
59  clientID_=0;
[1711]60  data_=0;
[1701]61  enetPacket_=0;
62}
63
[1712]64void blub(ENetPacket *packet){
[1713]65  COUT(4) << "blubb" << std::endl;
[1712]66}
67
[1711]68Packet::Packet(unsigned char *data, int clientID){
69  flags_ = PACKET_FLAG_DEFAULT;
[1713]70  packetDirection_ = ENUM::Incoming;
[1711]71  clientID_=clientID;
72  data_=data;
[1701]73  enetPacket_=0;
74}
75
[1713]76/*Packet::Packet(ENetPacket *packet, ENetPeer *peer){
[1701]77  packetDirection_ = ENUM::Incoming;
78  enetPacket_ = packet;
79  clientID_ = ClientInformation::findClient(&peer->address)->getID();
[1711]80  data_ = packet->data;
[1713]81}*/
[1701]82
[1711]83Packet::Packet(const Packet &p){
[1712]84  enetPacket_=p.enetPacket_;
[1711]85  flags_=p.flags_;
[1730]86  packetDirection_ = p.packetDirection_;
87  clientID_ = p.clientID_;
[1711]88  if(p.data_){
89    data_ = new unsigned char[p.getSize()];
90    memcpy(data_, p.data_, p.getSize());
91  }else
92    data_=0;
[1701]93}
94
[1711]95Packet::~Packet(){
[1751]96  if(enetPacket_){
97    assert(enetPacket_->freeCallback==0);
[1705]98    enet_packet_destroy(enetPacket_);
[1751]99  }
[1711]100  if(data_)
101    delete[] data_;
[1705]102}
[1701]103
104bool Packet::send(){
[1730]105  if(packetDirection_ != ENUM::Outgoing && packetDirection_ != ENUM::Bidirectional ){
[1712]106    assert(0);
[1701]107    return false;
[1730]108  }
[1701]109  if(!enetPacket_){
[1712]110    if(!data_){
111      assert(0);
[1701]112      return false;
[1712]113    }
[1711]114    enetPacket_ = enet_packet_create(getData(), getSize(), getFlags());
[1751]115    enetPacket_->freeCallback = &Packet::deletePacket;
116//     enetPacket_->freeCallback = &blub;
[1711]117    packetMap_[enetPacket_] = this;
[1701]118  }
[1751]119#ifndef NDEBUG
120  switch( *(ENUM::Type *)(data_ + _PACKETID) )
[1715]121  {
122    case ENUM::Acknowledgement:
123    case ENUM::Chat:
124    case ENUM::ClassID:
125    case ENUM::Gamestate:
126    case ENUM::Welcome:
[1751]127      break;
[1715]128    default:
[1751]129      assert(0); //there was some error, if this is the case
[1715]130      break;
[1751]131  }
132#endif
133  ENetPacket *temp = enetPacket_;
[1705]134  enetPacket_ = 0; // otherwise we have a double free because enet already handles the deallocation of the packet
[1751]135  network::Host::addPacket( temp, clientID_);
[1701]136  return true;
137}
138
[1711]139Packet *Packet::createPacket(ENetPacket *packet, ENetPeer *peer){
[1701]140  unsigned char *data = packet->data;
[1711]141  unsigned int clientID = ClientInformation::findClient(&peer->address)->getID();
142  Packet *p;
[1713]143  COUT(3) << "packet type: " << *(ENUM::Type *)&data[_PACKETID] << std::endl;
[1715]144  switch( *(ENUM::Type *)(data + _PACKETID) )
[1701]145  {
146    case ENUM::Acknowledgement:
[1713]147      COUT(3) << "ack" << std::endl;
[1711]148      p = new Acknowledgement( data, clientID );
[1701]149      break;
150    case ENUM::Chat:
[1713]151      COUT(3) << "chat" << std::endl;
[1711]152      p = new Chat( data, clientID );
[1701]153      break;
154    case ENUM::ClassID:
[1713]155      COUT(3) << "classid" << std::endl;
[1711]156      p = new ClassID( data, clientID );
[1701]157      break;
158    case ENUM::Gamestate:
[1713]159      COUT(3) << "gamestate" << std::endl;
[1701]160      // TODO: remove brackets
[1715]161      p = new Gamestate( data, clientID );
[1701]162      break;
[1711]163    case ENUM::Welcome:
[1713]164      COUT(3) << "welcome" << std::endl;
[1711]165      p = new Welcome( data, clientID );
[1715]166      break;
[1701]167    default:
[1710]168      assert(0); //TODO: repair this
169      break;
[1701]170  }
[1711]171  return p;
[1701]172}
173
[1711]174void Packet::deletePacket(ENetPacket *packet){
175  assert(packetMap_[packet]);
[1751]176  assert(packetMap_[packet]->enetPacket_==0);
[1711]177  delete packetMap_[packet];
178}
179
[1701]180} // namespace packet
181
182} // namespace network
183
Note: See TracBrowser for help on using the repository browser.