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1 | /*************************************************************************** |
2 | * Copyright (C) 2006 by Gerd v. Egidy * | |
3 | * gve@intra2net.com * | |
4 | * * | |
5 | * This library is free software; you can redistribute it and/or modify * | |
6 | * it under the terms of the GNU Lesser General Public License version * | |
7 | * 2.1 as published by the Free Software Foundation. * | |
8 | * * | |
9 | * This library is distributed in the hope that it will be useful, * | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
12 | * GNU Lesser General Public License for more details. * | |
13 | * * | |
14 | * You should have received a copy of the GNU Lesser General Public * | |
15 | * License along with this program; if not, write to the * | |
16 | * Free Software Foundation, Inc., * | |
17 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * | |
18 | ***************************************************************************/ | |
19 | #ifndef __LIBT2N_CONNECTION | |
20 | #define __LIBT2N_CONNECTION | |
21 | ||
22 | #include <string> | |
23 | ||
24 | namespace libt2n | |
25 | { | |
26 | ||
27 | class connection | |
28 | { | |
29 | private: | |
30 | bool closed; | |
31 | ||
32 | protected: | |
33 | connection() | |
34 | { closed=false; } | |
35 | ||
36 | std::string buffer; | |
37 | ||
38 | typedef unsigned int packet_size_indicator; | |
39 | ||
40 | packet_size_indicator bytes_available(); | |
41 | ||
42 | virtual void real_write(const std::string& data)=0; | |
43 | ||
44 | public: | |
45 | ~connection() | |
46 | { close(); } | |
47 | ||
48 | bool is_closed() | |
49 | { return closed; } | |
50 | ||
51 | virtual void close() | |
52 | { closed=true; } | |
53 | ||
54 | virtual void fill_buffer(long long usec_timeout=-1)=0; | |
55 | bool get_packet(std::string& data); | |
56 | bool packet_available() | |
57 | { return bytes_available(); } | |
58 | ||
59 | void write(const std::string& data); | |
60 | }; | |
61 | ||
62 | } | |
63 | ||
64 | #endif |