summaryrefslogtreecommitdiff
path: root/src/net/tmwa/network.h
blob: 36d8cafdb1f5e54db7d8e8ab234ad30d9e32d602 (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
/*
 *  The Mana Client
 *  Copyright (C) 2004-2009  The Mana World Development Team
 *  Copyright (C) 2009-2012  The Mana Developers
 *
 *  This file is part of The Mana Client.
 *
 *  This program 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.
 *
 *  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef NET_TA_NETWORK_H
#define NET_TA_NETWORK_H

#include "utils/mutex.h"

#include "net/serverinfo.h"

#include "net/tmwa/messagehandler.h"
#include "net/tmwa/messageout.h"

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

#include <map>
#include <string>
#include <unordered_map>

/**
 * Protocol version, reported to the eAthena char and mapserver who can adjust
 * the protocol accordingly.
 */
#define CLIENT_PROTOCOL_VERSION      1
// 10 -> 11: SMSG_MAP_MASK DONE

namespace TmwAthena {

struct PacketInfo;

class Network
{
    public:
        Network();

        ~Network();

        bool connect(const ServerInfo &server);

        void disconnect();

        ServerInfo getServer() const
        { return mServer; }

        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);

        void dispatchMessages();

        void flush();

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

    protected:
        friend int networkThread(void *data);
        friend class MessageOut;

        static Network *instance();

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

        Uint16 readWord(int pos);

        bool realConnect();

        void receive();

        TCPsocket mSocket = nullptr;

        ServerInfo mServer;

        char *mInBuffer, *mOutBuffer;
        unsigned int mInSize = 0;
        unsigned int mOutSize = 0;

        unsigned int mToSkip = 0;

        int mState = IDLE;
        std::string mError;

        SDL_Thread *mWorkerThread = nullptr;
        Mutex mMutex;

        std::unordered_map<uint16_t, const PacketInfo*> mPacketInfo;
        std::map<uint16_t, MessageHandler *> mMessageHandlers;

        static Network *mInstance;
};

} // namespace TmwAthena

#endif // NET_TA_NETWORK_H