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source: code/branches/mac_osx2/src/libraries/network/Connection.h @ 10415

Last change on this file since 10415 was 8327, checked in by scheusso, 14 years ago

merging network6 into trunk

  • Property svn:eol-style set to native
File size: 4.2 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 *      Oliver Scheuss
24 *   Co-authors:
25 *      ...
26 *
27 */
28
29//
30// C++ Interface: Connection
31//
32// Description:
33//
34//
35// Author:  Oliver Scheuss, (C) 2007
36//
37// Copyright: See COPYING file that comes with this distribution
38//
39//
40#ifndef _Connection_H__
41#define _Connection_H__
42
43#include "NetworkPrereqs.h"
44
45#include <deque>
46#include <map>
47#include <enet/enet.h>
48#include <boost/concept_check.hpp>
49
50namespace boost
51{
52  class thread;
53  class mutex;
54}
55
56namespace orxonox
57{
58  const unsigned int NETWORK_PORT                   = 55556;
59  const unsigned int NETWORK_MAX_CONNECTIONS        = 50;
60  const unsigned int NETWORK_WAIT_TIMEOUT           = 1;
61  const unsigned int NETWORK_MAX_QUEUE_PROCESS_TIME = 5;
62 
63  namespace incomingEventType
64  {
65    enum Value
66    {
67      receivePacket   = 1,  // incoming packet
68      peerConnect     = 2,  // incoming connect request
69      peerDisconnect  = 3   // incoming disconnect request
70    };
71   
72  }
73 
74  namespace outgoingEventType
75  {
76    enum Value
77    {
78      sendPacket      = 1,  // outgoing packet
79      broadcastPacket = 2,  // outgoing broadcast packet
80      disconnectPeer  = 3,  // outgoing disconnect request
81      disconnectPeers = 4   // outgoing disconnect request
82    };
83   
84  }
85 
86  struct _NetworkExport incomingEvent
87  {
88    uint32_t                  peerID;
89    incomingEventType::Value  type;
90    packet::Packet*           packet;
91  };
92 
93  struct _NetworkExport outgoingEvent
94  {
95    uint32_t                  peerID;
96    outgoingEventType::Value  type;
97    ENetPacket*               packet;
98    ENetChannelID             channelID;
99  };
100 
101  class _NetworkExport Connection
102  {
103  public:
104    virtual ~Connection();
105
106  protected:
107    Connection(uint32_t firstPeerID = NETWORK_PEER_ID_SERVER+1);
108   
109    void startCommunicationThread();
110    void stopCommunicationThread();
111   
112    void addPacket(ENetPacket *packet, uint32_t peerID, uint8_t channelID);
113    void broadcastPacket(ENetPacket* packet, uint8_t channelID);
114    void disconnectPeer(uint32_t peerID);
115    void disconnectPeers();
116   
117    void enableCompression();
118
119    void processQueue();
120    void waitOutgoingQueue();     // wait for the outgoing queue to become empty (everything processed by communication thread)
121    virtual void addPeer(uint32_t peerID)=0;
122    virtual void removePeer(uint32_t peerID)=0;
123    virtual void processPacket( packet::Packet* packet)=0;
124   
125    incomingEvent preprocessConnectEvent(ENetEvent& event);
126    incomingEvent preprocessDisconnectEvent(ENetEvent& event);
127    incomingEvent preprocessReceiveEvent(ENetEvent& event);
128   
129    void processIncomingEvent(ENetEvent& event);
130    void processOutgoingEvent(outgoingEvent& event);
131   
132    void disconnectPeersInternal();
133
134    ENetHost*                     host_;
135  private:
136    void communicationThread();
137   
138    boost::thread*                communicationThread_;
139    bool                          bCommunicationThreadRunning_;
140    ENetAddress*                  bindAddress_;
141    std::deque<incomingEvent>     incomingEvents_;
142    std::deque<outgoingEvent>     outgoingEvents_;
143    boost::mutex*                 incomingEventsMutex_;
144    boost::mutex*                 outgoingEventsMutex_;
145    boost::mutex*                 overallMutex_;
146    std::map<uint32_t, ENetPeer*> peerMap_;
147    std::map<ENetPeer*, uint32_t> peerIDMap_;
148    uint32_t                      nextPeerID_;
149
150  };
151
152}
153
154#endif /* _Connection_H__ */
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