summaryrefslogtreecommitdiff
path: root/src/net/network.h
blob: 53800b1e7c7dbfea94e401e7b88f6adaf21cc76e (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
/*
 *  The Mana World
 *  Copyright 2004 The Mana World Development Team
 *
 *  This file is part of The Mana World.
 *
 *  The Mana World is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  any later version.
 *
 *  The Mana World is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with The Mana World; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *  $Id: network.h 3234 2007-03-24 13:05:27Z b_lindeijer $
 */

#ifndef _TMW_NETWORK_
#define _TMW_NETWORK_

#include <map>
#include <SDL_net.h>
#include <SDL_thread.h>
#include <string>

class MessageHandler;
class MessageIn;

class Network;

class Network
{
    public:
        friend int networkThread(void *data);
        friend class MessageOut;

        Network();

        ~Network();

        bool
        connect(const std::string &address, short port);

        void
        disconnect();

        void
        registerHandler(MessageHandler *handler);

        void
        unregisterHandler(MessageHandler *handler);

        void
        clearHandlers();

        int
        getState() const { return mState; }

        const std::string&
        getError() const { return mError; }

        bool
        isConnected() const { return mState == CONNECTED; }

        int
        getInSize() const { return mInSize; }

        void
        skip(int len);

        bool
        messageReady();

        MessageIn
        getNextMessage();

        void
        dispatchMessages();

        void
        flush();

        // ERROR replaced by NET_ERROR because already defined in Windows
        enum {
            IDLE,
            CONNECTED,
            CONNECTING,
            DATA,
            NET_ERROR
        };

    protected:
        void
        setError(const std::string& error);

        Uint16
        readWord(int pos);

        bool
        realConnect();

        void
        receive();

        TCPsocket mSocket;

        std::string mAddress;
        short mPort;

        char *mInBuffer, *mOutBuffer;
        unsigned int mInSize, mOutSize;

        unsigned int mToSkip;

        int mState;
        std::string mError;

        SDL_Thread *mWorkerThread;
        SDL_mutex *mMutex;

        typedef std::map<Uint16, MessageHandler*> MessageHandlers;
        typedef MessageHandlers::iterator MessageHandlerIterator;
        MessageHandlers mMessageHandlers;
};

/** Convert an address from int format to string */
char *iptostring(int address);

#endif