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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_T2N_EXCEPTION | |
20 | #define __LIBT2N_T2N_EXCEPTION | |
21 | ||
22 | #include <stdexcept> | |
23 | #include <string> | |
24 | ||
0cf4dc9b | 25 | #include <boost/serialization/serialization.hpp> |
ac7fdc22 | 26 | |
ac7fdc22 GE |
27 | namespace boost { |
28 | namespace serialization { | |
29 | ||
7087e187 | 30 | // make std::exception serializable |
ac7fdc22 GE |
31 | template<class Archive> |
32 | void serialize(Archive & ar, std::exception & g, const unsigned int version) | |
33 | { | |
34 | } | |
35 | ||
36 | } // namespace serialization | |
37 | } // namespace boost | |
38 | ||
39 | namespace libt2n | |
40 | { | |
1e1f17bf GE |
41 | /** @brief a generic exception that can be handeled with libt2n |
42 | @note don't derive the exceptions your application generates directly from this one | |
43 | but use libt2n::t2n_runtime_error for this | |
44 | */ | |
ac7fdc22 GE |
45 | class t2n_exception : public std::exception |
46 | { | |
47 | private: | |
0cf4dc9b | 48 | std::string message; |
ac7fdc22 GE |
49 | |
50 | friend class boost::serialization::access; | |
51 | template<class Archive> | |
e453407d | 52 | void serialize(Archive & ar, const unsigned int version); |
ac7fdc22 GE |
53 | |
54 | public: | |
0cf4dc9b | 55 | t2n_exception(const std::string& _message) |
ac7fdc22 GE |
56 | { message=_message; } |
57 | ||
58 | t2n_exception() | |
59 | { } | |
60 | ||
61 | virtual const char* what() const throw() | |
62 | { return message.c_str(); } | |
63 | ||
64 | virtual t2n_exception* clone() const | |
65 | { return new t2n_exception(*this); } | |
66 | ||
67 | virtual ~t2n_exception() throw() | |
68 | {} | |
69 | ||
70 | virtual void do_throw() | |
71 | { throw *this; } | |
72 | }; | |
ac7fdc22 | 73 | |
04e6b271 | 74 | /// a (unspecified) problem with libt2n communication |
ac7fdc22 GE |
75 | class t2n_communication_error : public t2n_exception |
76 | { | |
77 | private: | |
78 | friend class boost::serialization::access; | |
79 | template<class Archive> | |
e453407d | 80 | void serialize(Archive & ar, const unsigned int version); |
ac7fdc22 GE |
81 | |
82 | public: | |
0cf4dc9b | 83 | t2n_communication_error(const std::string& _message) |
ac7fdc22 GE |
84 | : t2n_exception(_message) |
85 | { } | |
86 | ||
87 | t2n_communication_error() | |
88 | { } | |
89 | ||
0cf4dc9b | 90 | t2n_exception* clone() const |
ac7fdc22 GE |
91 | { return new t2n_communication_error(*this); } |
92 | ||
93 | void do_throw() | |
94 | { throw *this; } | |
95 | }; | |
ac7fdc22 | 96 | |
04e6b271 | 97 | /// can't connect to libt2n server |
ac7fdc22 GE |
98 | class t2n_connect_error : public t2n_communication_error |
99 | { | |
100 | private: | |
101 | friend class boost::serialization::access; | |
102 | template<class Archive> | |
e453407d | 103 | void serialize(Archive & ar, const unsigned int version); |
ac7fdc22 GE |
104 | |
105 | public: | |
0cf4dc9b | 106 | t2n_connect_error(const std::string& _message) |
ac7fdc22 GE |
107 | : t2n_communication_error(_message) |
108 | { } | |
109 | ||
110 | t2n_connect_error() | |
111 | { } | |
112 | ||
0cf4dc9b | 113 | t2n_exception* clone() const |
ac7fdc22 GE |
114 | { return new t2n_connect_error(*this); } |
115 | ||
116 | void do_throw() | |
117 | { throw *this; } | |
118 | }; | |
ac7fdc22 | 119 | |
04e6b271 | 120 | /// error establishing a socket on the server (only thrown on the server-side) |
ac7fdc22 GE |
121 | class t2n_server_error : public t2n_communication_error |
122 | { | |
123 | private: | |
124 | friend class boost::serialization::access; | |
125 | template<class Archive> | |
e453407d | 126 | void serialize(Archive & ar, const unsigned int version); |
ac7fdc22 GE |
127 | |
128 | public: | |
0cf4dc9b | 129 | t2n_server_error(const std::string& _message) |
ac7fdc22 GE |
130 | : t2n_communication_error(_message) |
131 | { } | |
132 | ||
133 | t2n_server_error() | |
134 | { } | |
135 | ||
0cf4dc9b | 136 | t2n_exception* clone() const |
ac7fdc22 GE |
137 | { return new t2n_server_error(*this); } |
138 | ||
139 | void do_throw() | |
140 | { throw *this; } | |
141 | }; | |
ac7fdc22 | 142 | |
04e6b271 | 143 | /// error transmitting or receiving libt2n messages |
ac7fdc22 GE |
144 | class t2n_transfer_error : public t2n_communication_error |
145 | { | |
146 | private: | |
147 | friend class boost::serialization::access; | |
148 | template<class Archive> | |
e453407d | 149 | void serialize(Archive & ar, const unsigned int version); |
ac7fdc22 GE |
150 | |
151 | public: | |
0cf4dc9b | 152 | t2n_transfer_error(const std::string& _message) |
ac7fdc22 GE |
153 | : t2n_communication_error(_message) |
154 | { } | |
155 | ||
156 | t2n_transfer_error() | |
157 | { } | |
158 | ||
0cf4dc9b | 159 | t2n_exception* clone() const |
ac7fdc22 GE |
160 | { return new t2n_transfer_error(*this); } |
161 | ||
162 | void do_throw() | |
163 | { throw *this; } | |
164 | }; | |
ac7fdc22 | 165 | |
04e6b271 | 166 | /// tried to talk to an incompatible libt2n version |
ac7fdc22 GE |
167 | class t2n_version_mismatch : public t2n_communication_error |
168 | { | |
169 | private: | |
170 | friend class boost::serialization::access; | |
171 | template<class Archive> | |
e453407d | 172 | void serialize(Archive & ar, const unsigned int version); |
ac7fdc22 GE |
173 | |
174 | public: | |
0cf4dc9b | 175 | t2n_version_mismatch(const std::string& _message) |
ac7fdc22 GE |
176 | : t2n_communication_error(_message) |
177 | { } | |
178 | ||
179 | t2n_version_mismatch() | |
180 | { } | |
181 | ||
0cf4dc9b | 182 | t2n_exception* clone() const |
ac7fdc22 GE |
183 | { return new t2n_version_mismatch(*this); } |
184 | ||
185 | void do_throw() | |
186 | { throw *this; } | |
187 | }; | |
ac7fdc22 | 188 | |
04e6b271 | 189 | /// illegal libt2n command received |
ac7fdc22 GE |
190 | class t2n_command_error : public t2n_exception |
191 | { | |
192 | private: | |
193 | friend class boost::serialization::access; | |
194 | template<class Archive> | |
e453407d | 195 | void serialize(Archive & ar, const unsigned int version); |
ac7fdc22 GE |
196 | |
197 | public: | |
0cf4dc9b | 198 | t2n_command_error(const std::string& _message) |
ac7fdc22 GE |
199 | : t2n_exception(_message) |
200 | { } | |
201 | ||
202 | t2n_command_error() | |
203 | { } | |
204 | ||
0cf4dc9b | 205 | t2n_exception* clone() const |
ac7fdc22 GE |
206 | { return new t2n_command_error(*this); } |
207 | ||
208 | void do_throw() | |
209 | { throw *this; } | |
210 | }; | |
ac7fdc22 | 211 | |
04e6b271 | 212 | /// error serializing or deserializing a libt2n command packet |
ac7fdc22 GE |
213 | class t2n_serialization_error : public t2n_exception |
214 | { | |
215 | private: | |
216 | friend class boost::serialization::access; | |
217 | template<class Archive> | |
e453407d | 218 | void serialize(Archive & ar, const unsigned int version); |
ac7fdc22 GE |
219 | |
220 | public: | |
0cf4dc9b | 221 | t2n_serialization_error(const std::string& _message) |
ac7fdc22 GE |
222 | : t2n_exception(_message) |
223 | { } | |
224 | ||
225 | t2n_serialization_error() | |
226 | { } | |
227 | ||
0cf4dc9b | 228 | t2n_exception* clone() const |
ac7fdc22 GE |
229 | { return new t2n_serialization_error(*this); } |
230 | ||
231 | void do_throw() | |
232 | { throw *this; } | |
233 | }; | |
ac7fdc22 | 234 | |
cc68aabb | 235 | /** @brief a runtime error within the remote function. |
04e6b271 | 236 | derive your own custom exceptions from this one |
7781f1c4 | 237 | |
1e1f17bf | 238 | @note you must override the virtual clone method if you do so (used by libt2n::command_server::handle()) |
04e6b271 | 239 | */ |
ac7fdc22 GE |
240 | class t2n_runtime_error : public t2n_exception |
241 | { | |
242 | private: | |
243 | friend class boost::serialization::access; | |
244 | template<class Archive> | |
e453407d | 245 | void serialize(Archive & ar, const unsigned int version); |
ac7fdc22 GE |
246 | |
247 | public: | |
0cf4dc9b | 248 | t2n_runtime_error(const std::string& _message) |
ac7fdc22 GE |
249 | : t2n_exception(_message) |
250 | { } | |
251 | ||
252 | t2n_runtime_error() | |
253 | { } | |
254 | ||
0cf4dc9b | 255 | t2n_exception* clone() const |
ac7fdc22 GE |
256 | { return new t2n_runtime_error(*this); } |
257 | ||
258 | void do_throw() | |
259 | { throw *this; } | |
260 | }; | |
ac7fdc22 | 261 | |
7087e187 | 262 | } // namespace libt2n |
ac7fdc22 GE |
263 | |
264 | #endif |