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source: code/branches/presentationFS15merge/src/libraries/network/WANDiscovery.cc @ 10612

Last change on this file since 10612 was 10612, checked in by landauf, 5 years ago

merged branch multiplayerFS15

  • Property svn:eol-style set to native
File size: 5.7 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 *      Sandro 'smerkli' Merkli
24 *   Co-authors:
25 *      Oliver Scheuss (original)
26 *
27 */
28
29#include "WANDiscovery.h"
30
31#include <enet/enet.h>
32#include <cstring>
33
34#include "core/CoreIncludes.h"
35
36
37namespace orxonox
38{
39  WANDiscovery::WANDiscovery()
40  {
41    /* debugging output */
42    orxout(verbose, context::master_server) << "Creating WANDiscovery." << endl;
43
44    /* register object in orxonox */
45    RegisterObject(WANDiscovery);
46
47    /* check for the masterserver address option in orxonox.ini */
48    this->setConfigValues();
49
50    /* initialize it and see if it worked */
51    if( msc.initialize() )
52      orxout(internal_error, context::master_server) << "Could not initialize master server communications!" << endl;
53
54    /* connect and see if it worked */
55    if( msc.connect( this->msaddress.c_str(), ORX_MSERVER_PORT ) )
56      orxout(internal_error, context::master_server) << "Could not connect to master server at "
57        << this->msaddress << endl;
58
59    /* debugging output */
60    orxout(verbose, context::master_server) << "Initialization of WANDiscovery complete." << endl;
61  }
62
63  void WANDiscovery::setConfigValues()
64  {
65    /* update msaddress string from orxonox.ini config file, if it
66     * has changed.
67     */
68    SetConfigValue( msaddress, "master.orxonox.net");
69  }
70
71  WANDiscovery::~WANDiscovery()
72  {
73    /* clear server list */
74    this->servers_.clear();
75  }
76
77  /* callback for the network reply poller */
78  int WANDiscovery::rhandler( char *addr, ENetEvent *ev )
79  {
80    /* error recognition */
81    if( !ev || !ev->packet || !ev->packet->data )
82    { orxout(internal_warning, context::master_server) << "Bad arguments received in WANDiscovery's reply handler." << endl;
83      return 0;
84    }
85
86    /* handle incoming data */
87    /* if a list entry arrives add to list */
88    if( !strncmp( (char*)ev->packet->data, MSPROTO_SERVERLIST_ITEM,
89      MSPROTO_SERVERLIST_ITEM_LEN ) )
90    {
91      /* create server structure from that item */
92      packet::ServerInformation toadd;
93
94      /* fill in data, -1 for the index: index should be length -1 */
95      std::string datastr = std::string((char*)ev->packet->data + MSPROTO_SERVERLIST_ITEM_LEN+1);
96      int separator = datastr.find(" ");
97      toadd.setServerIP(datastr.substr(0,separator));
98      int secondsep = datastr.find(" ", separator + 1);
99      toadd.setServerName(datastr.substr(separator + 1, secondsep - separator - 1));
100      toadd.setClientNumber(Ogre::StringConverter::parseInt(datastr.substr(secondsep+1)));
101
102      orxout(internal_info, context::network) << "Received WAN discovery server information; Name: " << toadd.getServerName() << ", Address: " << toadd.getServerIP() << ", Players: " << toadd.getClientNumber() << ", RTT: " << toadd.getServerRTT() << endl;
103
104      /* add to list */
105      this->servers_.push_back( toadd );
106    }
107    else if( !strncmp( (char*)ev->packet->data, MSPROTO_SERVERLIST_END,
108      MSPROTO_SERVERLIST_END_LEN ) )
109    {
110      /* this is the only case where 2 should be returned,
111       * as 1 is used to signal that we're done receiving
112       * the list
113       */
114      return 2;
115    }
116
117    /* done handling, return all ok code 0 */
118    return 1;
119  }
120
121  void WANDiscovery::discover()
122  {
123    /* clear list */
124    this->servers_.clear();
125
126    /* send request to server */
127    this->msc.sendRequest( MSPROTO_CLIENT " " MSPROTO_REQ_LIST );
128
129    /* poll for replies */
130    int i = WANDISC_MAXTRIES;
131    while( i > 0 )
132    {
133      /* poll for reply and act according to what was received */
134      switch( this->msc.pollForReply( this, 500 ) )
135      { case 0: /* no event occured, decrease timeout */
136          --i; break;
137        case 1: /* got a list element, continue */
138          break;
139        case 2: /* done. */
140          i = 0; break;
141      }
142    }
143  }
144
145  std::string WANDiscovery::getServerListItemName(unsigned int index)
146  {
147    /* if the index is out of range, return empty */
148    if( index >= this->servers_.size() )
149      return BLANKSTRING;
150    else
151      /* else return the name of the server */
152      return this->servers_[index].getServerName();
153  }
154
155  std::string WANDiscovery::getServerListItemIP(unsigned int index)
156  {
157    /* if the index is out of range, return empty */
158    if( index >= this->servers_.size() )
159      return BLANKSTRING;
160    else
161      /* else return the IP of the server */
162      return this->servers_[index].getServerIP();
163  }
164
165  std::string WANDiscovery::getServerListItemRTT(unsigned int index)
166        {
167    if( index >= this->servers_.size() )
168      return BLANKSTRING;
169    else{
170      uint32_t serverrtt = this->servers_[index].getServerRTT();
171      return Ogre::StringConverter::toString(serverrtt);
172    }
173
174  }
175  std::string WANDiscovery::getServerListItemPlayerNumber(unsigned int index)
176  {
177    if( index >= this->servers_.size() )
178      return BLANKSTRING;
179    else{
180      int playerNumber = this->servers_[index].getClientNumber();
181      return Ogre::StringConverter::toString(playerNumber);
182    }
183  }
184
185} // namespace orxonox
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