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source: code/trunk/src/libraries/network/LANDiscovery.cc @ 8748

Last change on this file since 8748 was 8706, checked in by dafrick, 14 years ago

Merging presentation branch back into trunk.
There are many new features and also a lot of other changes and bugfixes, if you want to know, digg through the svn log.
Not everything is yet working as it should, but it should be fairly stable. If you habe any bug reports, just send me an email.

  • Property svn:eol-style set to native
File size: 3.9 KB
RevLine 
[7161]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 *      Fabian 'x3n' Landau
24 *   Co-authors:
25 *      ...
26 *
27 */
28
29#include "LANDiscovery.h"
30
31#include <enet/enet.h>
32#include <cstring>
33
[7284]34#include "util/ScopedSingletonManager.h"
[7161]35#include "core/CoreIncludes.h"
36
37
38namespace orxonox
[7284]39{
[8706]40  ManageScopedSingleton(LANDiscovery, ScopeID::Graphics, true);
[7284]41
[7161]42  LANDiscovery::LANDiscovery()
43  {
[7459]44    this->host_ = enet_host_create(NULL, 10, 0, 0, 0 );
45    if ( this->host_ == NULL )
46        COUT(1) << "LANDiscovery: host_ == NULL" << std::endl;
[7161]47  }
48
49  LANDiscovery::~LANDiscovery()
50  {
[8706]51    if (this->host_ != NULL)
52      enet_host_destroy(this->host_);
[7161]53  }
[7284]54
[7161]55  void LANDiscovery::discover()
56  {
57    this->servers_.clear();
[7459]58    ENetPeer* peer;
[7161]59    ENetAddress address;
[7459]60    memset(&address, 0, sizeof(ENetAddress));
[7161]61    address.port = LAN_DISCOVERY_PORT;
[7284]62
[7459]63    /* TODO: check for availability of each protocol */
64    /* IPv4 */
65    address.host = ENET_HOST_BROADCAST;
66    peer = enet_host_connect(this->host_, &address, 0, 0);
67    if (peer == NULL)
68        COUT(1) << "Error: Could not send LAN discovery to IPv4 Broadcast." << std::endl;
[7284]69
[7459]70    /* IPv6 */
71    enet_address_set_host(&address, "ff02::1"); // TODO: use a multicast group
72    peer = enet_host_connect(this->host_, &address, 0, 0);
73    if (peer == NULL)
74        COUT(1) << "Error: Could not send LAN discovery to IPv6 Multicast." << std::endl;
75
[7161]76    ENetEvent event;
77    while( enet_host_service(this->host_, &event, 1000 ) )
78    {
79      switch( event.type )
80      {
81        case ENET_EVENT_TYPE_CONNECT:
82        {
[7459]83          COUT(4) << "Received LAN discovery connect from server " << event.peer->host->receivedAddress << std::endl;
[7161]84          ENetPacket* packet = enet_packet_create(LAN_DISCOVERY_MESSAGE, strlen(LAN_DISCOVERY_MESSAGE)+1, ENET_PACKET_FLAG_RELIABLE);
85          enet_peer_send(event.peer, 0, packet);
86          break;
87        }
88        case ENET_EVENT_TYPE_RECEIVE:
89          {
90            packet::ServerInformation info(&event);
[7459]91            COUT(3) << "Received LAN discovery server information; Name: " << info.getServerName() << ", Address: " << info.getServerIP() << ", RTT: " << info.getServerRTT() << endl;
[7161]92            std::vector<packet::ServerInformation>::iterator it;
93            for( it=this->servers_.begin(); it!=this->servers_.end(); ++it )
94            {
95              if( (*it).getServerIP() == info.getServerIP() )
96                break;
97            }
98            if( it==this->servers_.end() )
99              this->servers_.push_back(info);
100          }
101//           enet_address_get_host_ip(&event.peer->address, buffer, buflen );
102//           serverIPs.push_back(std::string(buffer));
103          break;
104        default:
105          break;
106      }
107    }
108  }
[7284]109
[7161]110  std::string LANDiscovery::getServerListItemName(unsigned int index)
111  {
112    if( index >= this->servers_.size() )
113      return BLANKSTRING;
114    else
115      return this->servers_[index].getServerName();
116  }
[7284]117
[7161]118  std::string LANDiscovery::getServerListItemIP(unsigned int index)
119  {
120    if( index >= this->servers_.size() )
121      return BLANKSTRING;
122    else
123      return this->servers_[index].getServerIP();
124  }
[7284]125
126
[7161]127} // namespace orxonox
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