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source: code/trunk/src/libraries/network/Connection.h @ 11459

Last change on this file since 11459 was 11071, checked in by landauf, 9 years ago

merged branch cpp11_v3 back to trunk

  • Property svn:eol-style set to native
File size: 4.1 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  enum class IncomingEventType
63  {
64    receivePacket   = 1,  // incoming packet
65    peerConnect     = 2,  // incoming connect request
66    peerDisconnect  = 3   // incoming disconnect request
67  };
68 
69  enum class OutgoingEventType
70  {
71    sendPacket      = 1,  // outgoing packet
72    broadcastPacket = 2,  // outgoing broadcast packet
73    disconnectPeer  = 3,  // outgoing disconnect request
74    disconnectPeers = 4   // outgoing disconnect request
75  };
76 
77  struct _NetworkExport incomingEvent
78  {
79    uint32_t          peerID;
80    IncomingEventType type;
81    packet::Packet*   packet;
82  };
83 
84  struct _NetworkExport outgoingEvent
85  {
86    uint32_t          peerID;
87    OutgoingEventType type;
88    ENetPacket*       packet;
89    ENetChannelID     channelID;
90  };
91 
92  class _NetworkExport Connection
93  {
94  public:
95    virtual ~Connection();
96
97  protected:
98    Connection(uint32_t firstPeerID = NETWORK_PEER_ID_SERVER+1);
99   
100    void startCommunicationThread();
101    void stopCommunicationThread();
102   
103    void addPacket(ENetPacket *packet, uint32_t peerID, uint8_t channelID);
104    void broadcastPacket(ENetPacket* packet, uint8_t channelID);
105    void disconnectPeer(uint32_t peerID);
106    void disconnectPeers();
107   
108    void enableCompression();
109
110    void processQueue();
111    void waitOutgoingQueue();     // wait for the outgoing queue to become empty (everything processed by communication thread)
112    virtual void addPeer(uint32_t peerID)=0;
113    virtual void removePeer(uint32_t peerID)=0;
114    virtual void processPacket( packet::Packet* packet)=0;
115   
116    incomingEvent preprocessConnectEvent(ENetEvent& event);
117    incomingEvent preprocessDisconnectEvent(ENetEvent& event);
118    incomingEvent preprocessReceiveEvent(ENetEvent& event);
119   
120    void processIncomingEvent(ENetEvent& event);
121    void processOutgoingEvent(outgoingEvent& event);
122   
123    void disconnectPeersInternal();
124
125    ENetHost*                     host_;
126  private:
127    void communicationThread();
128   
129    boost::thread*                communicationThread_;
130    bool                          bCommunicationThreadRunning_;
131    ENetAddress*                  bindAddress_;
132    std::deque<incomingEvent>     incomingEvents_;
133    std::deque<outgoingEvent>     outgoingEvents_;
134    boost::mutex*                 incomingEventsMutex_;
135    boost::mutex*                 outgoingEventsMutex_;
136    boost::mutex*                 overallMutex_;
137    std::map<uint32_t, ENetPeer*> peerMap_;
138    std::map<ENetPeer*, uint32_t> peerIDMap_;
139    uint32_t                      nextPeerID_;
140
141  };
142
143}
144
145#endif /* _Connection_H__ */
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