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8c15b8c7 TJ |
1 | /* |
2 | The software in this package is distributed under the GNU General | |
3 | Public License version 2 (with a special exception described below). | |
4 | ||
5 | A copy of GNU General Public License (GPL) is included in this distribution, | |
6 | in the file COPYING.GPL. | |
7 | ||
8 | As a special exception, if other files instantiate templates or use macros | |
9 | or inline functions from this file, or you compile this file and link it | |
10 | with other works to produce a work based on this file, this file | |
11 | does not by itself cause the resulting work to be covered | |
12 | by the GNU General Public License. | |
13 | ||
14 | However the source code for this file must still be made available | |
15 | in accordance with section (3) of the GNU General Public License. | |
16 | ||
17 | This exception does not invalidate any other reasons why a work based | |
18 | on this file might be covered by the GNU General Public License. | |
19 | */ | |
42b7c46d RP |
20 | /** |
21 | * @file | |
22 | * @brief the "glue" between libt2n and AsyncIo framework. | |
23 | * | |
24 | * contains our own server and client class which should fit into the asnychronous way of "AsyncIo". | |
25 | * We use our own classes since the libt2n socket classes are made for synchronous operation | |
26 | * which can lead to problems even if we import the connection fd's into "AsyncIo"... | |
27 | * | |
28 | * @author Reinhard Pfau \<reinhard.pfau@intra2net.com\> | |
29 | * | |
30 | * @copyright © Copyright 2008 by Intra2net AG | |
42b7c46d RP |
31 | * |
32 | * @todo support for TCP/IP connections. | |
33 | */ | |
34 | ||
35 | #ifndef __CONND_GLUE_T2N_HPP__ | |
36 | #define __CONND_GLUE_T2N_HPP__ | |
37 | ||
38 | #include <string> | |
39 | #include <server.hxx> | |
40 | #include <client.hxx> | |
41 | #include <async_io.hpp> | |
42 | #include <async_socket.hpp> | |
43 | #include <pointer_func.hpp> | |
44 | #include <boost/shared_ptr.hpp> | |
45 | #include <boost/weak_ptr.hpp> | |
983acc1f | 46 | #include <boost/signals2.hpp> |
42b7c46d RP |
47 | |
48 | ||
49 | namespace AsyncIo | |
50 | { | |
51 | ||
52 | using namespace I2n; | |
53 | ||
54 | /** | |
55 | * @brief specialized version of the libt2n client connection which fits into the AsyncIo framework. | |
56 | * | |
57 | */ | |
58 | class T2NClientConnection | |
59 | : public libt2n::client_connection | |
60 | { | |
61 | public: | |
62 | ||
63 | T2NClientConnection(); | |
64 | virtual ~T2NClientConnection(); | |
65 | ||
66 | bool isOpen(); | |
67 | ||
68 | bool reopen(bool force= false); | |
69 | ||
70 | ||
71 | /* | |
72 | ** overloaded methods from libt2n classes: | |
73 | */ | |
74 | ||
75 | virtual void close(); | |
76 | ||
77 | protected: | |
78 | ||
79 | T2NClientConnection( AsyncIo::IOImplementationPtr connection ); | |
80 | ||
81 | void newDataSlot(); | |
82 | ||
83 | void eofSlot(); | |
84 | ||
85 | /* | |
86 | ** overloaded methods from t2n classes: | |
87 | */ | |
88 | ||
89 | virtual void real_write(const std::string& data); | |
90 | ||
91 | virtual bool fill_buffer(long long usec_timeout=-1,long long* usec_timeout_remaining=NULL); | |
92 | ||
93 | protected: | |
94 | ||
95 | AsyncIo::IOImplementationPtr m_real_connection; | |
96 | ||
97 | bool m_got_new_data; | |
98 | ||
99 | }; // eo class T2NClientConnection | |
100 | ||
101 | ||
102 | typedef boost::shared_ptr< T2NClientConnection > T2NClientConnectionPtr; | |
103 | ||
104 | ||
105 | class T2NServerBase; | |
106 | ||
107 | typedef boost::shared_ptr< T2NServerBase > T2NServerBasePtr; | |
108 | typedef boost::weak_ptr< T2NServerBase > T2NServerBaseWeakPtr; | |
109 | ||
110 | /** | |
111 | * @brief specialized version of the libt2n server connection which fits into the AsyncIo framework. | |
112 | * | |
113 | */ | |
114 | class T2NServerConnection | |
115 | : public libt2n::server_connection | |
116 | { | |
117 | friend class T2NServerBase; | |
118 | public: | |
119 | ||
120 | T2NServerConnection(); | |
121 | virtual ~T2NServerConnection(); | |
122 | ||
123 | ||
124 | /* | |
125 | ** overloaded methods from libt2n classes: | |
126 | */ | |
127 | ||
128 | virtual void close(); | |
129 | ||
130 | protected: | |
131 | ||
132 | T2NServerConnection( | |
133 | T2NServerBasePtr server, | |
134 | AsyncIo::IOImplementationPtr connection, | |
135 | int timeout); | |
136 | ||
137 | void newDataSlot(); | |
138 | ||
139 | void eofSlot(); | |
140 | ||
141 | bool low_fill_buffer(bool wait, long long usec_timeout=-1, long long* usec_timeout_remaining=NULL); | |
142 | ||
143 | /* | |
144 | ** overloaded methods from t2n classes: | |
145 | */ | |
146 | ||
147 | virtual void real_write(const std::string& data); | |
148 | ||
149 | virtual bool fill_buffer(long long usec_timeout=-1,long long* usec_timeout_remaining=NULL); | |
150 | ||
151 | ||
152 | protected: | |
153 | ||
154 | AsyncIo::IOImplementationPtr m_real_connection; | |
155 | T2NServerBaseWeakPtr m_server_weak_ptr; | |
156 | ||
157 | bool m_got_new_data; | |
158 | ||
159 | }; // eo class T2NServerConnection | |
160 | ||
161 | ||
162 | ||
163 | /** | |
164 | * @brief base server class for handling server ports for libt2n. | |
165 | * | |
166 | * Needs to be derived for the real type of connection (unix, IPv4, etc.). | |
167 | * | |
168 | * Does all necessary connection handling and realizes the abstract methods from | |
169 | * the libt2n::server class. | |
170 | */ | |
171 | class T2NServerBase | |
172 | : public libt2n::server | |
173 | , virtual public SharedBase | |
174 | { | |
175 | public: | |
176 | virtual ~T2NServerBase(); | |
177 | ||
178 | bool isOpen(); | |
179 | ||
180 | /* | |
181 | ** overloaded methods from t2n classes: | |
182 | */ | |
183 | ||
184 | virtual bool fill_buffer(long long usec_timeout=-1, long long* timeout_remaining=NULL); | |
185 | ||
186 | public: | |
187 | ||
983acc1f | 188 | boost::signals2::signal< void() > m_signal_client_got_new_data; |
42b7c46d RP |
189 | |
190 | protected: | |
191 | ||
192 | T2NServerBase( AsyncIo::ServerSocketBaseImplementationPtr server_port); | |
193 | ||
194 | void newConnectionSlot(AsyncIo::IOImplementationPtr io_ptr); | |
195 | ||
196 | void clientGotNewDataSlot(); | |
197 | ||
198 | /* | |
199 | ** overloaded methods from t2n classes: | |
200 | */ | |
201 | ||
202 | virtual bool fill_connection_buffers(void); | |
203 | ||
204 | ||
205 | protected: | |
206 | ||
207 | AsyncIo::ServerSocketBaseImplementationPtr m_server_port; | |
208 | bool m_new_data_available; | |
209 | ||
210 | }; // eo T2NServerBase | |
211 | ||
212 | ||
213 | typedef boost::shared_ptr< T2NServerBase > T2NServerBasePtr; | |
214 | ||
215 | ||
216 | T2NServerBasePtr createT2NUnixServerPort(const std::string& path, int mode= 0600); | |
217 | ||
218 | T2NClientConnectionPtr createT2NUnixClientConnection(const std::string& path); | |
219 | ||
220 | ||
221 | } // eo namespace AsyncIo | |
222 | ||
223 | #endif |