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source: code/branches/cpp11_v2/src/libraries/network/Connection.h @ 10994

Last change on this file since 10994 was 10774, checked in by landauf, 9 years ago

using static_assert instead of BOOST_STATIC_ASSERT

  • 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
49namespace boost
50{
51  class thread;
52  class mutex;
53}
54
55namespace orxonox
56{
57  const unsigned int NETWORK_PORT                   = 55556;
58  const unsigned int NETWORK_MAX_CONNECTIONS        = 50;
59  const unsigned int NETWORK_WAIT_TIMEOUT           = 1;
60  const unsigned int NETWORK_MAX_QUEUE_PROCESS_TIME = 5;
61 
62  namespace incomingEventType
63  {
64    enum Value
65    {
66      receivePacket   = 1,  // incoming packet
67      peerConnect     = 2,  // incoming connect request
68      peerDisconnect  = 3   // incoming disconnect request
69    };
70   
71  }
72 
73  namespace outgoingEventType
74  {
75    enum Value
76    {
77      sendPacket      = 1,  // outgoing packet
78      broadcastPacket = 2,  // outgoing broadcast packet
79      disconnectPeer  = 3,  // outgoing disconnect request
80      disconnectPeers = 4   // outgoing disconnect request
81    };
82   
83  }
84 
85  struct _NetworkExport incomingEvent
86  {
87    uint32_t                  peerID;
88    incomingEventType::Value  type;
89    packet::Packet*           packet;
90  };
91 
92  struct _NetworkExport outgoingEvent
93  {
94    uint32_t                  peerID;
95    outgoingEventType::Value  type;
96    ENetPacket*               packet;
97    ENetChannelID             channelID;
98  };
99 
100  class _NetworkExport Connection
101  {
102  public:
103    virtual ~Connection();
104
105  protected:
106    Connection(uint32_t firstPeerID = NETWORK_PEER_ID_SERVER+1);
107   
108    void startCommunicationThread();
109    void stopCommunicationThread();
110   
111    void addPacket(ENetPacket *packet, uint32_t peerID, uint8_t channelID);
112    void broadcastPacket(ENetPacket* packet, uint8_t channelID);
113    void disconnectPeer(uint32_t peerID);
114    void disconnectPeers();
115   
116    void enableCompression();
117
118    void processQueue();
119    void waitOutgoingQueue();     // wait for the outgoing queue to become empty (everything processed by communication thread)
120    virtual void addPeer(uint32_t peerID)=0;
121    virtual void removePeer(uint32_t peerID)=0;
122    virtual void processPacket( packet::Packet* packet)=0;
123   
124    incomingEvent preprocessConnectEvent(ENetEvent& event);
125    incomingEvent preprocessDisconnectEvent(ENetEvent& event);
126    incomingEvent preprocessReceiveEvent(ENetEvent& event);
127   
128    void processIncomingEvent(ENetEvent& event);
129    void processOutgoingEvent(outgoingEvent& event);
130   
131    void disconnectPeersInternal();
132
133    ENetHost*                     host_;
134  private:
135    void communicationThread();
136   
137    boost::thread*                communicationThread_;
138    bool                          bCommunicationThreadRunning_;
139    ENetAddress*                  bindAddress_;
140    std::deque<incomingEvent>     incomingEvents_;
141    std::deque<outgoingEvent>     outgoingEvents_;
142    boost::mutex*                 incomingEventsMutex_;
143    boost::mutex*                 outgoingEventsMutex_;
144    boost::mutex*                 overallMutex_;
145    std::map<uint32_t, ENetPeer*> peerMap_;
146    std::map<ENetPeer*, uint32_t> peerIDMap_;
147    uint32_t                      nextPeerID_;
148
149  };
150
151}
152
153#endif /* _Connection_H__ */
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