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source: code/trunk/src/libraries/network/ClientInformation.cc @ 7939

Last change on this file since 7939 was 7801, checked in by dafrick, 14 years ago

Merging presentation2 branch back to trunk.

  • Property svn:eol-style set to native
File size: 6.0 KB
Line 
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 *      ...
24 *   Co-authors:
25 *      ...
26 *
27 */
28
29//
30// C++ Implementation: ClientInformation
31//
32// Description:
33//
34//
35// Author:  <>, (C) 2007
36//
37// Copyright: See COPYING file that comes with this distribution
38//
39//
40
41#include "ClientInformation.h"
42#define WIN32_LEAN_AND_MEAN
43#include <enet/enet.h>
44#include "ClientConnectionListener.h"
45
46namespace orxonox
47{
48
49
50  ClientInformation *ClientInformation::head_=0;
51
52  ClientInformation::ClientInformation() {
53    if(!head_)
54      head_=this;
55    gamestateID_=GAMESTATEID_INITIAL;
56    preve=0;
57    nexte=0;
58    synched_=false;
59  }
60
61  ClientInformation::~ClientInformation() {
62    if(prev()!=0)
63      prev()->setNext(this->next());
64    if(next()!=0)
65      next()->setPrev(this->prev());
66    if(this==head_)
67      head_=next();
68    ClientConnectionListener::broadcastClientDisconnected( this->getID() );
69  }
70
71  ClientInformation *ClientInformation::next() {
72    if(this!=0)
73      return this->nexte;
74    else
75      return 0;
76  }
77  ClientInformation *ClientInformation::prev() {
78    if(this!=0)
79      return this->preve;
80    else
81      return 0;
82  }
83
84  bool ClientInformation::setPrev(ClientInformation *prev) {
85    if(this==head_)
86      head_=prev;
87    this->preve = prev;
88    return true;
89  }
90
91  bool ClientInformation::setNext(ClientInformation *next) {
92    this->nexte = next;
93    return true;
94  }
95
96  ClientInformation *ClientInformation::insertAfter(ClientInformation *ins) {
97    this->next()->setPrev(ins);
98    ins->setNext(this->next());
99    ins->setPrev(this);
100    this->nexte = ins;
101    return ins;
102  }
103
104  ClientInformation *ClientInformation::insertBefore(ClientInformation *ins){
105    if(!this)
106      return NULL;
107    this->prev()->setNext(ins);
108    ins->setPrev(this->prev());
109    this->preve=ins;
110    ins->setNext(this);
111    return ins;
112  }
113
114  void ClientInformation::setID(int clientID){
115    if(!this)
116      return;
117    clientID_ = clientID;
118  }
119
120  bool ClientInformation::setPeer(ENetPeer *peer){
121    if(!this)
122      return false;
123    peer_ = peer;
124    return true;
125  }
126
127  bool ClientInformation::setGamestateID(int id){
128    if(!this)
129      return false;
130    gamestateID_=id;
131    return true;
132  }
133
134  unsigned int ClientInformation::getID() {
135    if(!this)
136      return CLIENTID_UNKNOWN;
137    else
138      return clientID_;
139  }
140
141  ENetPeer *ClientInformation::getPeer() {
142    if(this)
143      return peer_;
144    else
145      return NULL;
146  }
147
148  uint32_t ClientInformation::getRTT(){
149    return this->peer_->roundTripTime;
150  }
151
152  double ClientInformation::getPacketLoss(){
153    return static_cast<double>(this->peer_->packetLoss)/ENET_PEER_PACKET_LOSS_SCALE;
154  }
155
156  unsigned int ClientInformation::getGamestateID() {
157    if(this)
158      return gamestateID_;
159    else
160      return static_cast<unsigned int>(-1);
161  }
162
163  ClientInformation *ClientInformation::insertBack(ClientInformation *ins) {
164    ClientInformation *temp = head_;
165    if(temp==ins){
166      return head_;
167    }
168    while(temp->next()!=0){
169      temp = temp->next();
170    }
171    temp->setNext(ins);
172    ins->setPrev(temp);
173    return ins;
174  }
175
176  bool ClientInformation::removeClient(unsigned int clientID) {
177    if(clientID==CLIENTID_UNKNOWN)
178      return false;
179    ClientInformation *temp = head_;
180    while(temp!=0 && temp->getID()!=clientID)
181      temp = temp->next();
182    if(temp==0)
183      return false;
184    delete temp;
185    return true;
186  }
187
188  bool ClientInformation::removeClient(ENetPeer *peer) {
189    if(!peer)
190      return false;
191    ClientInformation *temp = head_;
192    while(temp!=0){
193      if(!memcmp(& temp->getPeer()->address, & peer->address, sizeof(peer->address)))
194        break;
195      temp = temp->next();
196    }
197    if(temp==0)
198      return false;
199    delete temp;
200    return true;
201  }
202
203  /**
204  * This function goes forward through the list and looks for an element with clientID
205  * This function should only be applied to the head of the list
206  * @param clientID id to look for
207  * @param look_backwards FIXME - add doc? parameter unused?
208  * @return pointer to the last element in the list or 0 if the search was unsuccessfull
209  */
210  ClientInformation *ClientInformation::findClient(unsigned int clientID, bool look_backwards) {
211    ClientInformation *temp = head_;
212    while(temp!=0 && temp->getID()!=clientID){
213      temp = temp->next();
214    }
215    // returns 0 if nothing has been found
216    return temp;
217  }
218
219  /**
220  * This function goes forward through the list and looks for an element with clientID
221  * This function should only be applied to the head of the list
222  * @param address peer to look for
223  * @param look_backwards FIXME - add doc? parameter unused?
224  * @return pointer to the element in the list
225  */
226  ClientInformation *ClientInformation::findClient(ENetAddress *address, bool look_backwards) {
227    ClientInformation *temp = head_;
228    while(temp!=0){
229      if(!memcmp(& temp->getPeer()->address, address, sizeof(*address)))
230        break;
231      temp = temp->next();
232    }
233    // returns 0 if nothing has been found
234    return temp;
235  }
236
237  bool ClientInformation::setSynched(bool s) {
238    if(!this)
239      return false;
240    synched_=s;
241    return true;
242  }
243
244  bool ClientInformation::getSynched() {
245    if(this)
246      return synched_;
247    else
248      return false;
249  }
250
251}
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