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source: code/branches/core7/src/libraries/network/WANDiscovery.cc @ 10561

Last change on this file since 10561 was 10561, checked in by landauf, 6 years ago

found some unregistered classes

  • Property svn:eol-style set to native
File size: 4.8 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      toadd.setServerName( std::string((char*)ev->packet->data + 
98        MSPROTO_SERVERLIST_ITEM_LEN+1) );
99      toadd.setServerIP( std::string((char*)ev->packet->data + 
100        MSPROTO_SERVERLIST_ITEM_LEN+1) );
101
102      /* add to list */
103      this->servers_.push_back( toadd );
104    }
105    else if( !strncmp( (char*)ev->packet->data, MSPROTO_SERVERLIST_END,
106      MSPROTO_SERVERLIST_END_LEN ) )
107    { 
108      /* this is the only case where 2 should be returned,
109       * as 1 is used to signal that we're done receiving
110       * the list
111       */
112      return 2; 
113    }
114
115    /* done handling, return all ok code 0 */
116    return 1;
117  }
118 
119  void WANDiscovery::discover()
120  {
121    /* clear list */
122    this->servers_.clear();
123
124    /* send request to server */
125    this->msc.sendRequest( MSPROTO_CLIENT " " MSPROTO_REQ_LIST );
126
127    /* poll for replies */
128    int i = WANDISC_MAXTRIES;
129    while( i > 0 )
130    {
131      /* poll for reply and act according to what was received */
132      switch( this->msc.pollForReply( this, 500 ) )
133      { case 0: /* no event occured, decrease timeout */
134          --i; break;
135        case 1: /* got a list element, continue */ 
136          break;
137        case 2: /* done. */
138          i = 0; break;
139      }
140    }
141  }
142
143  std::string WANDiscovery::getServerListItemName(unsigned int index)
144  {
145    /* if the index is out of range, return empty */
146    if( index >= this->servers_.size() )
147      return BLANKSTRING;
148    else
149      /* else return the name of the server */
150      return this->servers_[index].getServerName();
151  }
152
153  std::string WANDiscovery::getServerListItemIP(unsigned int index)
154  {
155    /* if the index is out of range, return empty */
156    if( index >= this->servers_.size() )
157      return BLANKSTRING;
158    else
159      /* else return the IP of the server */
160      return this->servers_[index].getServerIP();
161  }
162
163
164} // namespace orxonox
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