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ac7fdc22 GE |
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_SERVER | |
20 | #define __LIBT2N_SERVER | |
21 | ||
22 | #include <iostream> | |
23 | #include <string> | |
24 | #include <map> | |
28cb45a5 GE |
25 | #include <vector> |
26 | #include <list> | |
27 | ||
28 | #include <boost/function.hpp> | |
ac7fdc22 | 29 | |
a11e19b7 GE |
30 | #include "connection.hxx" |
31 | #include "types.hxx" | |
32 | ||
ac7fdc22 GE |
33 | namespace libt2n |
34 | { | |
35 | ||
aa499d20 GE |
36 | class server; |
37 | ||
59adb9e2 | 38 | /** |
94247295 GE |
39 | @brief connection on a server |
40 | ||
41 | on a server every connection to a client is represented as server_connection. | |
42 | a server_connection is abstract, derived classes like socket_server_connection are used. | |
59adb9e2 | 43 | */ |
a11e19b7 | 44 | class server_connection : public connection |
ac7fdc22 | 45 | { |
94247295 GE |
46 | friend class server; |
47 | ||
ac7fdc22 GE |
48 | private: |
49 | int timeout; | |
50 | int last_action_time; | |
aa499d20 | 51 | unsigned int connection_id; |
ac7fdc22 | 52 | |
94247295 GE |
53 | void set_server(server* _my_server) |
54 | { my_server=_my_server; } | |
55 | ||
56 | void set_id(unsigned int _connection_id) | |
57 | { connection_id=_connection_id; } | |
58 | ||
6cda58a6 GE |
59 | /// vector initialized for all callback-types, all elements in each list will be called |
60 | std::vector<std::list<boost::function<void ()> > > callbacks; | |
61 | ||
ac7fdc22 | 62 | protected: |
aa499d20 | 63 | server *my_server; |
aa499d20 | 64 | |
a7170401 GE |
65 | server_connection(int _timeout); |
66 | ||
67 | std::ostream* get_logstream(log_level_values level); | |
68 | ||
6cda58a6 GE |
69 | void do_callbacks(callback_event_type event); |
70 | ||
ac7fdc22 | 71 | public: |
6cda58a6 GE |
72 | virtual ~server_connection(); |
73 | ||
ac7fdc22 GE |
74 | void check_timeout(); |
75 | void reset_timeout(); | |
76 | void set_timeout(int _timeout) | |
77 | { timeout=_timeout; } | |
78 | ||
94247295 | 79 | /// get the id of this connection within the server object |
aa499d20 GE |
80 | unsigned int get_id() |
81 | { return connection_id; } | |
6cda58a6 GE |
82 | |
83 | void close(); | |
84 | ||
85 | void add_callback(callback_event_type event, const boost::function<void ()>& func); | |
ac7fdc22 GE |
86 | }; |
87 | ||
59adb9e2 | 88 | /** |
94247295 GE |
89 | @brief server base class |
90 | ||
91 | constitutes a server. is abstract, use derived classes like socket_server. | |
59adb9e2 | 92 | */ |
ac7fdc22 GE |
93 | class server |
94 | { | |
ac7fdc22 GE |
95 | private: |
96 | int default_timeout; | |
97 | log_level_values log_level; | |
98 | std::ostream *logstream; | |
99 | ||
28cb45a5 | 100 | /// vector initialized for all callback-types, all elements in each list will be called |
6cda58a6 | 101 | std::vector<std::list<boost::function<void (unsigned int)> > > callbacks; |
28cb45a5 | 102 | |
ac7fdc22 | 103 | unsigned int next_id; |
ac7fdc22 GE |
104 | |
105 | protected: | |
a11e19b7 | 106 | std::map<unsigned int, server_connection*> connections; |
aa499d20 | 107 | |
a7170401 | 108 | server(); |
ac7fdc22 | 109 | |
94247295 GE |
110 | virtual bool fill_connection_buffers(void)=0; |
111 | ||
a11e19b7 | 112 | int add_connection(server_connection* newconn); |
04e6b271 | 113 | |
6cda58a6 | 114 | void do_callbacks(callback_event_type event, unsigned int conn_id); |
28cb45a5 | 115 | |
ac7fdc22 GE |
116 | public: |
117 | virtual ~server(); | |
118 | ||
94247295 | 119 | /// set the default timeout for new client connections |
ac7fdc22 GE |
120 | void set_default_timeout(int _default_timeout) |
121 | { default_timeout=_default_timeout; } | |
94247295 GE |
122 | |
123 | /// get the current default timeout for client connections | |
04e6b271 GE |
124 | int get_default_timeout(void) |
125 | { return default_timeout; } | |
ac7fdc22 | 126 | |
a7170401 | 127 | void set_logging(std::ostream *_logstream, log_level_values _log_level); |
ac7fdc22 | 128 | |
a11e19b7 | 129 | server_connection* get_connection(unsigned int conn_id); |
ac7fdc22 | 130 | |
6cda58a6 | 131 | void add_callback(callback_event_type event, const boost::function<void (unsigned int)>& func); |
28cb45a5 | 132 | |
45a2ebc9 | 133 | /** @brief look for new data and store it in the local buffer |
94247295 GE |
134 | @param usec_timeout wait until new data is found, max timeout usecs. |
135 | -1: wait endless | |
45a2ebc9 GE |
136 | 0: return instantly |
137 | @param usec_timeout_remaining if non-NULL the function will write the | |
138 | not used time to the given target | |
94247295 GE |
139 | @retval true if new data was found (does not mean that the received data |
140 | is a complete packet though) | |
141 | */ | |
45a2ebc9 | 142 | virtual bool fill_buffer(long long usec_timeout=-1, long long* timeout_remaining=NULL)=0; |
94247295 | 143 | |
a11e19b7 | 144 | void cleanup(); |
ac7fdc22 | 145 | |
94247295 GE |
146 | /** @brief get a complete data packet from any client. The packet is removed from the |
147 | connection buffer. | |
148 | @param[out] data the data package | |
149 | @retval true if packet found | |
150 | */ | |
a11e19b7 GE |
151 | bool get_packet(std::string& data) |
152 | { unsigned int x; return get_packet(data,x); } | |
ac7fdc22 | 153 | |
94247295 | 154 | bool get_packet(std::string& data, unsigned int& conn_id); |
0cf4dc9b | 155 | |
a7170401 | 156 | std::ostream* get_logstream(log_level_values level); |
ac7fdc22 GE |
157 | }; |
158 | ||
159 | } | |
160 | ||
161 | #endif |