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source: code/branches/HUD_HS16/src/libraries/network/WANDiscovery.cc @ 11565

Last change on this file since 11565 was 10624, checked in by landauf, 9 years ago

merged branch core7 back to trunk

  • Property svn:eol-style set to native
File size: 5.8 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  RegisterAbstractClass(WANDiscovery).inheritsFrom<Configurable>();
40
41  WANDiscovery::WANDiscovery()
42  {
43    /* debugging output */
44    orxout(verbose, context::master_server) << "Creating WANDiscovery." << endl;
45
46    /* register object in orxonox */
47    RegisterObject(WANDiscovery);
48
49    /* check for the masterserver address option in orxonox.ini */
50    this->setConfigValues();
51
52    /* initialize it and see if it worked */
53    if( msc.initialize() )
54      orxout(internal_error, context::master_server) << "Could not initialize master server communications!" << endl;
55
56    /* connect and see if it worked */
57    if( msc.connect( this->msaddress.c_str(), ORX_MSERVER_PORT ) )
58      orxout(internal_error, context::master_server) << "Could not connect to master server at "
59        << this->msaddress << endl;
60
61    /* debugging output */
62    orxout(verbose, context::master_server) << "Initialization of WANDiscovery complete." << endl;
63  }
64
65  void WANDiscovery::setConfigValues()
66  {
67    /* update msaddress string from orxonox.ini config file, if it
68     * has changed.
69     */
70    SetConfigValue( msaddress, "master.orxonox.net");
71  }
72
73  WANDiscovery::~WANDiscovery()
74  {
75    /* clear server list */
76    this->servers_.clear();
77  }
78
79  /* callback for the network reply poller */
80  int WANDiscovery::rhandler( char *addr, ENetEvent *ev )
81  {
82    /* error recognition */
83    if( !ev || !ev->packet || !ev->packet->data )
84    { orxout(internal_warning, context::master_server) << "Bad arguments received in WANDiscovery's reply handler." << endl;
85      return 0;
86    }
87
88    /* handle incoming data */
89    /* if a list entry arrives add to list */
90    if( !strncmp( (char*)ev->packet->data, MSPROTO_SERVERLIST_ITEM,
91      MSPROTO_SERVERLIST_ITEM_LEN ) )
92    {
93      /* create server structure from that item */
94      packet::ServerInformation toadd;
95
96      /* fill in data, -1 for the index: index should be length -1 */
97      std::string datastr = std::string((char*)ev->packet->data + MSPROTO_SERVERLIST_ITEM_LEN+1);
98      int separator = datastr.find(" ");
99      toadd.setServerIP(datastr.substr(0,separator));
100      int secondsep = datastr.find(" ", separator + 1);
101      toadd.setServerName(datastr.substr(separator + 1, secondsep - separator - 1));
102      toadd.setClientNumber(Ogre::StringConverter::parseInt(datastr.substr(secondsep+1)));
103
104      orxout(internal_info, context::network) << "Received WAN discovery server information; Name: " << toadd.getServerName() << ", Address: " << toadd.getServerIP() << ", Players: " << toadd.getClientNumber() << ", RTT: " << toadd.getServerRTT() << endl;
105
106      /* add to list */
107      this->servers_.push_back( toadd );
108    }
109    else if( !strncmp( (char*)ev->packet->data, MSPROTO_SERVERLIST_END,
110      MSPROTO_SERVERLIST_END_LEN ) )
111    {
112      /* this is the only case where 2 should be returned,
113       * as 1 is used to signal that we're done receiving
114       * the list
115       */
116      return 2;
117    }
118
119    /* done handling, return all ok code 0 */
120    return 1;
121  }
122
123  void WANDiscovery::discover()
124  {
125    /* clear list */
126    this->servers_.clear();
127
128    /* send request to server */
129    this->msc.sendRequest( MSPROTO_CLIENT " " MSPROTO_REQ_LIST );
130
131    /* poll for replies */
132    int i = WANDISC_MAXTRIES;
133    while( i > 0 )
134    {
135      /* poll for reply and act according to what was received */
136      switch( this->msc.pollForReply( this, 500 ) )
137      { case 0: /* no event occured, decrease timeout */
138          --i; break;
139        case 1: /* got a list element, continue */
140          break;
141        case 2: /* done. */
142          i = 0; break;
143      }
144    }
145  }
146
147  std::string WANDiscovery::getServerListItemName(unsigned int index)
148  {
149    /* if the index is out of range, return empty */
150    if( index >= this->servers_.size() )
151      return BLANKSTRING;
152    else
153      /* else return the name of the server */
154      return this->servers_[index].getServerName();
155  }
156
157  std::string WANDiscovery::getServerListItemIP(unsigned int index)
158  {
159    /* if the index is out of range, return empty */
160    if( index >= this->servers_.size() )
161      return BLANKSTRING;
162    else
163      /* else return the IP of the server */
164      return this->servers_[index].getServerIP();
165  }
166
167  std::string WANDiscovery::getServerListItemRTT(unsigned int index)
168  {
169    if( index >= this->servers_.size() )
170      return BLANKSTRING;
171    else{
172      uint32_t serverrtt = this->servers_[index].getServerRTT();
173      return Ogre::StringConverter::toString(serverrtt);
174    }
175
176  }
177  std::string WANDiscovery::getServerListItemPlayerNumber(unsigned int index)
178  {
179    if( index >= this->servers_.size() )
180      return BLANKSTRING;
181    else{
182      int playerNumber = this->servers_[index].getClientNumber();
183      return Ogre::StringConverter::toString(playerNumber);
184    }
185  }
186
187} // namespace orxonox
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