| 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 | |
| 25 | #include <boost/serialization/serialization.hpp> |
| 26 | |
| 27 | namespace boost { |
| 28 | namespace serialization { |
| 29 | |
| 30 | // make std::exception serializable |
| 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 | { |
| 41 | /// a generic exception that can be handeled with libt2n |
| 42 | class t2n_exception : public std::exception |
| 43 | { |
| 44 | private: |
| 45 | std::string message; |
| 46 | |
| 47 | friend class boost::serialization::access; |
| 48 | template<class Archive> |
| 49 | void serialize(Archive & ar, const unsigned int version) |
| 50 | { |
| 51 | ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(exception); |
| 52 | ar & BOOST_SERIALIZATION_NVP(message); |
| 53 | } |
| 54 | |
| 55 | public: |
| 56 | t2n_exception(const std::string& _message) |
| 57 | { message=_message; } |
| 58 | |
| 59 | t2n_exception() |
| 60 | { } |
| 61 | |
| 62 | virtual const char* what() const throw() |
| 63 | { return message.c_str(); } |
| 64 | |
| 65 | virtual t2n_exception* clone() const |
| 66 | { return new t2n_exception(*this); } |
| 67 | |
| 68 | virtual ~t2n_exception() throw() |
| 69 | {} |
| 70 | |
| 71 | virtual void do_throw() |
| 72 | { throw *this; } |
| 73 | }; |
| 74 | |
| 75 | /// a (unspecified) problem with libt2n communication |
| 76 | class t2n_communication_error : public t2n_exception |
| 77 | { |
| 78 | private: |
| 79 | friend class boost::serialization::access; |
| 80 | template<class Archive> |
| 81 | void serialize(Archive & ar, const unsigned int version) |
| 82 | { |
| 83 | ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(t2n_exception); |
| 84 | } |
| 85 | |
| 86 | public: |
| 87 | t2n_communication_error(const std::string& _message) |
| 88 | : t2n_exception(_message) |
| 89 | { } |
| 90 | |
| 91 | t2n_communication_error() |
| 92 | { } |
| 93 | |
| 94 | t2n_exception* clone() const |
| 95 | { return new t2n_communication_error(*this); } |
| 96 | |
| 97 | void do_throw() |
| 98 | { throw *this; } |
| 99 | }; |
| 100 | |
| 101 | /// can't connect to libt2n server |
| 102 | class t2n_connect_error : public t2n_communication_error |
| 103 | { |
| 104 | private: |
| 105 | friend class boost::serialization::access; |
| 106 | template<class Archive> |
| 107 | void serialize(Archive & ar, const unsigned int version) |
| 108 | { |
| 109 | ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(t2n_communication_error); |
| 110 | } |
| 111 | |
| 112 | public: |
| 113 | t2n_connect_error(const std::string& _message) |
| 114 | : t2n_communication_error(_message) |
| 115 | { } |
| 116 | |
| 117 | t2n_connect_error() |
| 118 | { } |
| 119 | |
| 120 | t2n_exception* clone() const |
| 121 | { return new t2n_connect_error(*this); } |
| 122 | |
| 123 | void do_throw() |
| 124 | { throw *this; } |
| 125 | }; |
| 126 | |
| 127 | /// error establishing a socket on the server (only thrown on the server-side) |
| 128 | class t2n_server_error : public t2n_communication_error |
| 129 | { |
| 130 | private: |
| 131 | friend class boost::serialization::access; |
| 132 | template<class Archive> |
| 133 | void serialize(Archive & ar, const unsigned int version) |
| 134 | { |
| 135 | ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(t2n_communication_error); |
| 136 | } |
| 137 | |
| 138 | public: |
| 139 | t2n_server_error(const std::string& _message) |
| 140 | : t2n_communication_error(_message) |
| 141 | { } |
| 142 | |
| 143 | t2n_server_error() |
| 144 | { } |
| 145 | |
| 146 | t2n_exception* clone() const |
| 147 | { return new t2n_server_error(*this); } |
| 148 | |
| 149 | void do_throw() |
| 150 | { throw *this; } |
| 151 | }; |
| 152 | |
| 153 | /// error transmitting or receiving libt2n messages |
| 154 | class t2n_transfer_error : public t2n_communication_error |
| 155 | { |
| 156 | private: |
| 157 | friend class boost::serialization::access; |
| 158 | template<class Archive> |
| 159 | void serialize(Archive & ar, const unsigned int version) |
| 160 | { |
| 161 | ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(t2n_communication_error); |
| 162 | } |
| 163 | |
| 164 | public: |
| 165 | t2n_transfer_error(const std::string& _message) |
| 166 | : t2n_communication_error(_message) |
| 167 | { } |
| 168 | |
| 169 | t2n_transfer_error() |
| 170 | { } |
| 171 | |
| 172 | t2n_exception* clone() const |
| 173 | { return new t2n_transfer_error(*this); } |
| 174 | |
| 175 | void do_throw() |
| 176 | { throw *this; } |
| 177 | }; |
| 178 | |
| 179 | /// tried to talk to an incompatible libt2n version |
| 180 | class t2n_version_mismatch : public t2n_communication_error |
| 181 | { |
| 182 | private: |
| 183 | friend class boost::serialization::access; |
| 184 | template<class Archive> |
| 185 | void serialize(Archive & ar, const unsigned int version) |
| 186 | { |
| 187 | ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(t2n_communication_error); |
| 188 | } |
| 189 | |
| 190 | public: |
| 191 | t2n_version_mismatch(const std::string& _message) |
| 192 | : t2n_communication_error(_message) |
| 193 | { } |
| 194 | |
| 195 | t2n_version_mismatch() |
| 196 | { } |
| 197 | |
| 198 | t2n_exception* clone() const |
| 199 | { return new t2n_version_mismatch(*this); } |
| 200 | |
| 201 | void do_throw() |
| 202 | { throw *this; } |
| 203 | }; |
| 204 | |
| 205 | /// illegal libt2n command received |
| 206 | class t2n_command_error : public t2n_exception |
| 207 | { |
| 208 | private: |
| 209 | friend class boost::serialization::access; |
| 210 | template<class Archive> |
| 211 | void serialize(Archive & ar, const unsigned int version) |
| 212 | { |
| 213 | ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(t2n_exception); |
| 214 | } |
| 215 | |
| 216 | public: |
| 217 | t2n_command_error(const std::string& _message) |
| 218 | : t2n_exception(_message) |
| 219 | { } |
| 220 | |
| 221 | t2n_command_error() |
| 222 | { } |
| 223 | |
| 224 | t2n_exception* clone() const |
| 225 | { return new t2n_command_error(*this); } |
| 226 | |
| 227 | void do_throw() |
| 228 | { throw *this; } |
| 229 | }; |
| 230 | |
| 231 | /// error serializing or deserializing a libt2n command packet |
| 232 | class t2n_serialization_error : public t2n_exception |
| 233 | { |
| 234 | private: |
| 235 | friend class boost::serialization::access; |
| 236 | template<class Archive> |
| 237 | void serialize(Archive & ar, const unsigned int version) |
| 238 | { |
| 239 | ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(t2n_exception); |
| 240 | } |
| 241 | |
| 242 | public: |
| 243 | t2n_serialization_error(const std::string& _message) |
| 244 | : t2n_exception(_message) |
| 245 | { } |
| 246 | |
| 247 | t2n_serialization_error() |
| 248 | { } |
| 249 | |
| 250 | t2n_exception* clone() const |
| 251 | { return new t2n_serialization_error(*this); } |
| 252 | |
| 253 | void do_throw() |
| 254 | { throw *this; } |
| 255 | }; |
| 256 | |
| 257 | /** @brief a runtime error within the remote function. |
| 258 | derive your own custom exceptions from this one |
| 259 | */ |
| 260 | class t2n_runtime_error : public t2n_exception |
| 261 | { |
| 262 | private: |
| 263 | friend class boost::serialization::access; |
| 264 | template<class Archive> |
| 265 | void serialize(Archive & ar, const unsigned int version) |
| 266 | { |
| 267 | ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(t2n_exception); |
| 268 | } |
| 269 | |
| 270 | public: |
| 271 | t2n_runtime_error(const std::string& _message) |
| 272 | : t2n_exception(_message) |
| 273 | { } |
| 274 | |
| 275 | t2n_runtime_error() |
| 276 | { } |
| 277 | |
| 278 | t2n_exception* clone() const |
| 279 | { return new t2n_runtime_error(*this); } |
| 280 | |
| 281 | void do_throw() |
| 282 | { throw *this; } |
| 283 | }; |
| 284 | |
| 285 | } // namespace libt2n |
| 286 | |
| 287 | #endif |