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19facd85 TJ |
1 | /* |
2 | Copyright (C) 2006 by Intra2net AG - Gerd v. Egidy | |
3 | ||
4 | The software in this package is distributed under the GNU General | |
5 | Public License version 2 (with a special exception described below). | |
6 | ||
7 | A copy of GNU General Public License (GPL) is included in this distribution, | |
8 | in the file COPYING.GPL. | |
9 | ||
10 | As a special exception, if other files instantiate templates or use macros | |
11 | or inline functions from this file, or you compile this file and link it | |
12 | with other works to produce a work based on this file, this file | |
13 | does not by itself cause the resulting work to be covered | |
14 | by the GNU General Public License. | |
15 | ||
16 | However the source code for this file must still be made available | |
17 | in accordance with section (3) of the GNU General Public License. | |
18 | ||
19 | This exception does not invalidate any other reasons why a work based | |
20 | on this file might be covered by the GNU General Public License. | |
21 | */ | |
ac7fdc22 GE |
22 | #ifndef __LIBT2N_SERVER |
23 | #define __LIBT2N_SERVER | |
24 | ||
25 | #include <iostream> | |
26 | #include <string> | |
27 | #include <map> | |
28cb45a5 GE |
28 | #include <vector> |
29 | #include <list> | |
30 | ||
31 | #include <boost/function.hpp> | |
ac7fdc22 | 32 | |
a11e19b7 GE |
33 | #include "connection.hxx" |
34 | #include "types.hxx" | |
35 | ||
ac7fdc22 GE |
36 | namespace libt2n |
37 | { | |
38 | ||
aa499d20 GE |
39 | class server; |
40 | ||
59adb9e2 | 41 | /** |
94247295 GE |
42 | @brief connection on a server |
43 | ||
44 | on a server every connection to a client is represented as server_connection. | |
45 | a server_connection is abstract, derived classes like socket_server_connection are used. | |
59adb9e2 | 46 | */ |
a11e19b7 | 47 | class server_connection : public connection |
ac7fdc22 | 48 | { |
94247295 GE |
49 | friend class server; |
50 | ||
ac7fdc22 GE |
51 | private: |
52 | int timeout; | |
53 | int last_action_time; | |
aa499d20 | 54 | unsigned int connection_id; |
ac7fdc22 | 55 | |
94247295 GE |
56 | void set_server(server* _my_server) |
57 | { my_server=_my_server; } | |
58 | ||
59 | void set_id(unsigned int _connection_id) | |
60 | { connection_id=_connection_id; } | |
61 | ||
ac7fdc22 | 62 | protected: |
aa499d20 | 63 | server *my_server; |
aa499d20 | 64 | |
a7170401 | 65 | server_connection(int _timeout); |
56f3994d | 66 | virtual ~server_connection(); |
a7170401 GE |
67 | |
68 | std::ostream* get_logstream(log_level_values level); | |
69 | ||
ac7fdc22 | 70 | public: |
ac7fdc22 GE |
71 | void check_timeout(); |
72 | void reset_timeout(); | |
73 | void set_timeout(int _timeout) | |
74 | { timeout=_timeout; } | |
75 | ||
94247295 | 76 | /// get the id of this connection within the server object |
aa499d20 GE |
77 | unsigned int get_id() |
78 | { return connection_id; } | |
6cda58a6 | 79 | |
6cda58a6 | 80 | void add_callback(callback_event_type event, const boost::function<void ()>& func); |
ac7fdc22 GE |
81 | }; |
82 | ||
59adb9e2 | 83 | /** |
94247295 GE |
84 | @brief server base class |
85 | ||
86 | constitutes a server. is abstract, use derived classes like socket_server. | |
59adb9e2 | 87 | */ |
ac7fdc22 GE |
88 | class server |
89 | { | |
ac7fdc22 GE |
90 | private: |
91 | int default_timeout; | |
92 | log_level_values log_level; | |
93 | std::ostream *logstream; | |
94 | ||
28cb45a5 | 95 | /// vector initialized for all callback-types, all elements in each list will be called |
6cda58a6 | 96 | std::vector<std::list<boost::function<void (unsigned int)> > > callbacks; |
28cb45a5 | 97 | |
ac7fdc22 | 98 | unsigned int next_id; |
ac7fdc22 GE |
99 | |
100 | protected: | |
a11e19b7 | 101 | std::map<unsigned int, server_connection*> connections; |
aa499d20 | 102 | |
a7170401 | 103 | server(); |
ac7fdc22 | 104 | |
94247295 GE |
105 | virtual bool fill_connection_buffers(void)=0; |
106 | ||
56f3994d | 107 | unsigned int add_connection(server_connection* newconn); |
04e6b271 | 108 | |
6cda58a6 | 109 | void do_callbacks(callback_event_type event, unsigned int conn_id); |
28cb45a5 | 110 | |
ac7fdc22 GE |
111 | public: |
112 | virtual ~server(); | |
113 | ||
94247295 | 114 | /// set the default timeout for new client connections |
ac7fdc22 GE |
115 | void set_default_timeout(int _default_timeout) |
116 | { default_timeout=_default_timeout; } | |
94247295 GE |
117 | |
118 | /// get the current default timeout for client connections | |
04e6b271 GE |
119 | int get_default_timeout(void) |
120 | { return default_timeout; } | |
ac7fdc22 | 121 | |
a7170401 | 122 | void set_logging(std::ostream *_logstream, log_level_values _log_level); |
ac7fdc22 | 123 | |
a11e19b7 | 124 | server_connection* get_connection(unsigned int conn_id); |
ac7fdc22 | 125 | |
6cda58a6 | 126 | void add_callback(callback_event_type event, const boost::function<void (unsigned int)>& func); |
28cb45a5 | 127 | |
45a2ebc9 | 128 | /** @brief look for new data and store it in the local buffer |
94247295 GE |
129 | @param usec_timeout wait until new data is found, max timeout usecs. |
130 | -1: wait endless | |
45a2ebc9 GE |
131 | 0: return instantly |
132 | @param usec_timeout_remaining if non-NULL the function will write the | |
133 | not used time to the given target | |
94247295 GE |
134 | @retval true if new data was found (does not mean that the received data |
135 | is a complete packet though) | |
136 | */ | |
9a5d7790 | 137 | virtual bool fill_buffer(long long usec_timeout=-1, long long* usec_timeout_remaining=NULL)=0; |
94247295 | 138 | |
56f3994d TJ |
139 | void close(); |
140 | ||
a11e19b7 | 141 | void cleanup(); |
ac7fdc22 | 142 | |
94247295 GE |
143 | /** @brief get a complete data packet from any client. The packet is removed from the |
144 | connection buffer. | |
145 | @param[out] data the data package | |
146 | @retval true if packet found | |
147 | */ | |
a11e19b7 GE |
148 | bool get_packet(std::string& data) |
149 | { unsigned int x; return get_packet(data,x); } | |
ac7fdc22 | 150 | |
94247295 | 151 | bool get_packet(std::string& data, unsigned int& conn_id); |
0cf4dc9b | 152 | |
a7170401 | 153 | std::ostream* get_logstream(log_level_values level); |
ac7fdc22 GE |
154 | }; |
155 | ||
156 | } | |
157 | ||
158 | #endif |