| 1 | /*************************************************************************** |
| 2 | * Copyright (C) 2004 by Intra2net AG * |
| 3 | * info@intra2net.com * |
| 4 | * * |
| 5 | ***************************************************************************/ |
| 6 | |
| 7 | #include <sys/types.h> |
| 8 | #include <unistd.h> |
| 9 | #include <errno.h> |
| 10 | #include <signal.h> |
| 11 | #include <stdio.h> |
| 12 | |
| 13 | #include <iostream> |
| 14 | #include <string> |
| 15 | #include <sstream> |
| 16 | #include <stdexcept> |
| 17 | |
| 18 | #include <cppunit/extensions/TestFactoryRegistry.h> |
| 19 | #include <cppunit/ui/text/TestRunner.h> |
| 20 | #include <cppunit/extensions/HelperMacros.h> |
| 21 | |
| 22 | #include <boost/archive/binary_oarchive.hpp> |
| 23 | #include <boost/archive/binary_iarchive.hpp> |
| 24 | #include <boost/archive/xml_oarchive.hpp> |
| 25 | #include <boost/archive/xml_iarchive.hpp> |
| 26 | #include <boost/serialization/serialization.hpp> |
| 27 | #include <boost/serialization/export.hpp> |
| 28 | |
| 29 | #include <container.hxx> |
| 30 | #include <socket_client.hxx> |
| 31 | #include <socket_server.hxx> |
| 32 | #include <command_client.hxx> |
| 33 | #include <command_server.hxx> |
| 34 | #include <client_wrapper.hxx> |
| 35 | #include <socket_wrapper.hxx> |
| 36 | |
| 37 | #ifdef HAVE_CONFIG_H |
| 38 | #include <config.h> |
| 39 | #endif |
| 40 | |
| 41 | using namespace std; |
| 42 | using namespace libt2n; |
| 43 | using namespace CppUnit; |
| 44 | |
| 45 | // the server part |
| 46 | |
| 47 | stringstream logstream; |
| 48 | bool close_server=false; |
| 49 | bool kill_server=false; |
| 50 | |
| 51 | int serverfunc(int i) |
| 52 | { |
| 53 | // magic commands |
| 54 | if (i==42) |
| 55 | close_server=true; |
| 56 | if (i==666) |
| 57 | kill_server=true; |
| 58 | |
| 59 | return i+1; |
| 60 | } |
| 61 | |
| 62 | std::string getserverlog(void) |
| 63 | { |
| 64 | return logstream.str(); |
| 65 | } |
| 66 | |
| 67 | class serverfunc_res : public libt2n::result |
| 68 | { |
| 69 | private: |
| 70 | int res; |
| 71 | |
| 72 | friend class boost::serialization::access; |
| 73 | template<class Archive> |
| 74 | void serialize(Archive & ar, const unsigned int version) |
| 75 | { |
| 76 | ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(libt2n::result); |
| 77 | ar & BOOST_SERIALIZATION_NVP(res); |
| 78 | } |
| 79 | |
| 80 | public: |
| 81 | serverfunc_res() |
| 82 | { } |
| 83 | |
| 84 | serverfunc_res(int i) |
| 85 | { |
| 86 | res=i; |
| 87 | } |
| 88 | |
| 89 | int get_data() |
| 90 | { |
| 91 | return res; |
| 92 | } |
| 93 | }; |
| 94 | |
| 95 | class getserverlog_res : public libt2n::result |
| 96 | { |
| 97 | private: |
| 98 | std::string res; |
| 99 | |
| 100 | friend class boost::serialization::access; |
| 101 | template<class Archive> |
| 102 | void serialize(Archive & ar, const unsigned int version) |
| 103 | { |
| 104 | ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(libt2n::result); |
| 105 | ar & BOOST_SERIALIZATION_NVP(res); |
| 106 | } |
| 107 | |
| 108 | public: |
| 109 | getserverlog_res() |
| 110 | { } |
| 111 | |
| 112 | getserverlog_res(std::string s) |
| 113 | { |
| 114 | res=s; |
| 115 | } |
| 116 | |
| 117 | std::string get_data() |
| 118 | { |
| 119 | return res; |
| 120 | } |
| 121 | }; |
| 122 | |
| 123 | class cmd_group_x : public command |
| 124 | { |
| 125 | private: |
| 126 | friend class boost::serialization::access; |
| 127 | template<class Archive> |
| 128 | void serialize(Archive & ar, const unsigned int version) |
| 129 | { |
| 130 | ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(libt2n::command); |
| 131 | } |
| 132 | }; |
| 133 | |
| 134 | class serverfunc_cmd : public cmd_group_x |
| 135 | { |
| 136 | private: |
| 137 | int param; |
| 138 | |
| 139 | friend class boost::serialization::access; |
| 140 | template<class Archive> |
| 141 | void serialize(Archive & ar, const unsigned int version) |
| 142 | { |
| 143 | ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(cmd_group_x); |
| 144 | ar & BOOST_SERIALIZATION_NVP(param); |
| 145 | } |
| 146 | |
| 147 | public: |
| 148 | serverfunc_cmd() |
| 149 | { } |
| 150 | |
| 151 | serverfunc_cmd(int i) |
| 152 | { |
| 153 | param=i; |
| 154 | } |
| 155 | |
| 156 | libt2n::result* operator()() |
| 157 | { |
| 158 | return new serverfunc_res(serverfunc(param)); |
| 159 | } |
| 160 | }; |
| 161 | |
| 162 | class getserverlog_cmd : public cmd_group_x |
| 163 | { |
| 164 | private: |
| 165 | friend class boost::serialization::access; |
| 166 | template<class Archive> |
| 167 | void serialize(Archive & ar, const unsigned int version) |
| 168 | { |
| 169 | ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(cmd_group_x); |
| 170 | } |
| 171 | |
| 172 | public: |
| 173 | getserverlog_cmd() |
| 174 | { } |
| 175 | |
| 176 | libt2n::result* operator()() |
| 177 | { |
| 178 | return new getserverlog_res(getserverlog()); |
| 179 | } |
| 180 | }; |
| 181 | |
| 182 | BOOST_CLASS_EXPORT(serverfunc_res) |
| 183 | BOOST_CLASS_EXPORT(getserverlog_res) |
| 184 | BOOST_CLASS_EXPORT(cmd_group_x) |
| 185 | BOOST_CLASS_EXPORT(serverfunc_cmd) |
| 186 | BOOST_CLASS_EXPORT(getserverlog_cmd) |
| 187 | |
| 188 | class cmd_group_x_client : public command_client |
| 189 | { |
| 190 | public: |
| 191 | cmd_group_x_client(libt2n::client_connection *_c, |
| 192 | long long _command_timeout_usec=command_timeout_usec_default, |
| 193 | long long _hello_timeout_usec=hello_timeout_usec_default) |
| 194 | : libt2n::command_client(_c,_command_timeout_usec,_hello_timeout_usec) |
| 195 | {} |
| 196 | |
| 197 | int serverfunc(int i) |
| 198 | { |
| 199 | libt2n::result_container rc; |
| 200 | |
| 201 | send_command(new serverfunc_cmd(i), rc); |
| 202 | serverfunc_res* res=dynamic_cast<serverfunc_res*>(rc.get_result()); |
| 203 | if (!res) throw libt2n::t2n_communication_error("result object of wrong type"); |
| 204 | return res->get_data(); |
| 205 | } |
| 206 | |
| 207 | std::string getserverlog(void) |
| 208 | { |
| 209 | libt2n::result_container rc; |
| 210 | |
| 211 | send_command(new getserverlog_cmd(), rc); |
| 212 | getserverlog_res* res=dynamic_cast<getserverlog_res*>(rc.get_result()); |
| 213 | if (!res) throw libt2n::t2n_communication_error("result object of wrong type"); |
| 214 | return res->get_data(); |
| 215 | } |
| 216 | }; |
| 217 | |
| 218 | typedef T2nSingletonWrapper<cmd_group_x_client> wraptype; |
| 219 | |
| 220 | template<> |
| 221 | std::auto_ptr<wraptype> wraptype::SingletonObject = std::auto_ptr<wraptype>(); |
| 222 | |
| 223 | template<> |
| 224 | std::auto_ptr<ConnectionWrapper> wraptype::WrappedConnection = std::auto_ptr<ConnectionWrapper>(); |
| 225 | |
| 226 | class test_wrapper : public TestFixture |
| 227 | { |
| 228 | CPPUNIT_TEST_SUITE(test_wrapper); |
| 229 | |
| 230 | CPPUNIT_TEST(no_init_exception); // must be called first!!! |
| 231 | CPPUNIT_TEST(simple_wrap); |
| 232 | CPPUNIT_TEST(double_use); |
| 233 | CPPUNIT_TEST(double_use_with_close); |
| 234 | CPPUNIT_TEST(reconnect_after_close); |
| 235 | CPPUNIT_TEST(reconnect_not_possible); |
| 236 | CPPUNIT_TEST(ignore_server_disconnect); |
| 237 | CPPUNIT_TEST(ignore_handler_reconnects); |
| 238 | |
| 239 | // TODO: missing tests: |
| 240 | // ignore: init, no server, ignore |
| 241 | // ignore: init, no server, ignore, server ok, connect? |
| 242 | |
| 243 | CPPUNIT_TEST_SUITE_END(); |
| 244 | |
| 245 | public: |
| 246 | |
| 247 | pid_t child_pid; |
| 248 | |
| 249 | void setUp() |
| 250 | { |
| 251 | close_server=false; |
| 252 | kill_server=false; |
| 253 | |
| 254 | switch(child_pid=fork()) |
| 255 | { |
| 256 | case -1: |
| 257 | { |
| 258 | CPPUNIT_FAIL("fork error"); |
| 259 | break; |
| 260 | } |
| 261 | case 0: |
| 262 | // child |
| 263 | { |
| 264 | int i=0; |
| 265 | while(i < 10 && !kill_server) |
| 266 | { |
| 267 | close_server=false; |
| 268 | |
| 269 | socket_server ss("./socket"); |
| 270 | group_command_server<cmd_group_x> cs(ss); |
| 271 | ss.set_logging(&logstream,debug); |
| 272 | |
| 273 | // max 10 sec |
| 274 | for (; !close_server && !kill_server && i < 10; i++) |
| 275 | cs.handle(1000000); |
| 276 | } |
| 277 | |
| 278 | // don't call atexit and stuff |
| 279 | _exit(0); |
| 280 | } |
| 281 | |
| 282 | default: |
| 283 | // parent |
| 284 | { |
| 285 | // wait till server is up |
| 286 | sleep(1); |
| 287 | |
| 288 | } |
| 289 | } |
| 290 | } |
| 291 | |
| 292 | void tearDown() |
| 293 | { |
| 294 | // make sure the server-child is dead before the next test runs |
| 295 | kill(child_pid,SIGKILL); |
| 296 | sleep(1); |
| 297 | } |
| 298 | |
| 299 | void no_init_exception() |
| 300 | { |
| 301 | CPPUNIT_ASSERT_THROW(t2n_exec(&cmd_group_x_client::serverfunc)(1),std::logic_error); |
| 302 | } |
| 303 | |
| 304 | void simple_wrap() |
| 305 | { |
| 306 | wraptype::set_connection(auto_ptr<ConnectionWrapper> |
| 307 | (new BasicSocketWrapper("./socket"))); |
| 308 | |
| 309 | int i=t2n_exec(&cmd_group_x_client::serverfunc)(1); |
| 310 | |
| 311 | CPPUNIT_ASSERT_EQUAL(2,i); |
| 312 | } |
| 313 | |
| 314 | void double_use() |
| 315 | { |
| 316 | // only one connection used? |
| 317 | wraptype::set_connection(auto_ptr<ConnectionWrapper> |
| 318 | (new BasicSocketWrapper("./socket"))); |
| 319 | |
| 320 | t2n_exec(&cmd_group_x_client::serverfunc)(17); |
| 321 | string out=t2n_exec(&cmd_group_x_client::getserverlog)(); |
| 322 | |
| 323 | // count the number of times that "new connection accepted" appears in the server log |
| 324 | string::size_type p=0; |
| 325 | int cnt=0; |
| 326 | while ((p=out.find("new connection accepted",p))++ != string::npos) |
| 327 | cnt++; |
| 328 | |
| 329 | CPPUNIT_ASSERT_EQUAL(1,cnt); |
| 330 | } |
| 331 | |
| 332 | void double_use_with_close() |
| 333 | { |
| 334 | wraptype::set_connection(auto_ptr<ConnectionWrapper> |
| 335 | (new BasicSocketWrapper("./socket"))); |
| 336 | |
| 337 | t2n_exec(&cmd_group_x_client::serverfunc)(17); |
| 338 | |
| 339 | // closes the connection from the client side |
| 340 | wraptype::set_connection(auto_ptr<ConnectionWrapper> |
| 341 | (new BasicSocketWrapper("./socket"))); |
| 342 | |
| 343 | string out=t2n_exec(&cmd_group_x_client::getserverlog)(); |
| 344 | |
| 345 | // count the number of times that "new connection accepted" appears in the server log |
| 346 | string::size_type p=0; |
| 347 | int cnt=0; |
| 348 | while ((p=out.find("new connection accepted",p))++ != string::npos) |
| 349 | cnt++; |
| 350 | |
| 351 | CPPUNIT_ASSERT_EQUAL(2,cnt); |
| 352 | } |
| 353 | |
| 354 | void reconnect_after_close() |
| 355 | { |
| 356 | wraptype::set_connection(auto_ptr<ConnectionWrapper> |
| 357 | (new ReconnectSocketWrapper("./socket"))); |
| 358 | |
| 359 | wraptype::get_connection_wrapper()->set_command_timeout_usec(3000000); |
| 360 | wraptype::get_connection_wrapper()->set_hello_timeout_usec(3000000); |
| 361 | |
| 362 | // 42 closes connection on the server side |
| 363 | t2n_exec(&cmd_group_x_client::serverfunc)(42); |
| 364 | |
| 365 | string out=t2n_exec(&cmd_group_x_client::getserverlog)(); |
| 366 | |
| 367 | // count the number of times that "new connection accepted" appears in the server log |
| 368 | string::size_type p=0; |
| 369 | int cnt=0; |
| 370 | while ((p=out.find("new connection accepted",p))++ != string::npos) |
| 371 | cnt++; |
| 372 | |
| 373 | CPPUNIT_ASSERT_EQUAL(2,cnt); |
| 374 | } |
| 375 | |
| 376 | void reconnect_not_possible() |
| 377 | { |
| 378 | wraptype::set_connection(auto_ptr<ConnectionWrapper> |
| 379 | (new ReconnectSocketWrapper("./socket"))); |
| 380 | |
| 381 | // the server doens't like the beast |
| 382 | t2n_exec(&cmd_group_x_client::serverfunc)(666); |
| 383 | |
| 384 | CPPUNIT_ASSERT_THROW(t2n_exec(&cmd_group_x_client::serverfunc)(1),t2n_communication_error); |
| 385 | } |
| 386 | |
| 387 | void ignore_server_disconnect() |
| 388 | { |
| 389 | wraptype::set_connection(auto_ptr<ConnectionWrapper> |
| 390 | (new ReconnectIgnoreFailureSocketWrapper("./socket"))); |
| 391 | |
| 392 | // the server doens't like the beast |
| 393 | t2n_exec(&cmd_group_x_client::serverfunc)(666); |
| 394 | |
| 395 | int i=t2n_exec(&cmd_group_x_client::serverfunc)(1); |
| 396 | |
| 397 | // result is constructed with default constructor on error-and-ignore -> i=0 |
| 398 | |
| 399 | CPPUNIT_ASSERT_EQUAL(0,i); |
| 400 | } |
| 401 | |
| 402 | void ignore_handler_reconnects() |
| 403 | { |
| 404 | wraptype::set_connection(auto_ptr<ConnectionWrapper> |
| 405 | (new ReconnectIgnoreFailureSocketWrapper("./socket"))); |
| 406 | |
| 407 | wraptype::get_connection_wrapper()->set_command_timeout_usec(3000000); |
| 408 | wraptype::get_connection_wrapper()->set_hello_timeout_usec(3000000); |
| 409 | |
| 410 | // 42 closes connection on the server side |
| 411 | t2n_exec(&cmd_group_x_client::serverfunc)(42); |
| 412 | |
| 413 | string out=t2n_exec(&cmd_group_x_client::getserverlog)(); |
| 414 | |
| 415 | // count the number of times that "new connection accepted" appears in the server log |
| 416 | string::size_type p=0; |
| 417 | int cnt=0; |
| 418 | while ((p=out.find("new connection accepted",p))++ != string::npos) |
| 419 | cnt++; |
| 420 | |
| 421 | CPPUNIT_ASSERT_EQUAL(2,cnt); |
| 422 | } |
| 423 | |
| 424 | |
| 425 | |
| 426 | }; |
| 427 | |
| 428 | CPPUNIT_TEST_SUITE_REGISTRATION(test_wrapper); |
| 429 | |
| 430 | |
| 431 | class test_wrapper_noserver : public TestFixture |
| 432 | { |
| 433 | CPPUNIT_TEST_SUITE(test_wrapper_noserver); |
| 434 | |
| 435 | CPPUNIT_TEST(ignore_noserver); |
| 436 | CPPUNIT_TEST(ignore_finds_lateserver); |
| 437 | |
| 438 | CPPUNIT_TEST_SUITE_END(); |
| 439 | |
| 440 | public: |
| 441 | |
| 442 | pid_t child_pid; |
| 443 | |
| 444 | void setUp() |
| 445 | { } |
| 446 | |
| 447 | void tearDown() |
| 448 | { } |
| 449 | |
| 450 | void ignore_noserver() |
| 451 | { |
| 452 | wraptype::set_connection(auto_ptr<ConnectionWrapper> |
| 453 | (new ReconnectIgnoreFailureSocketWrapper("./socket"))); |
| 454 | |
| 455 | // wraptype::get_connection_wrapper()->set_logging(&cerr,debug); |
| 456 | |
| 457 | // there is no server |
| 458 | |
| 459 | int i=t2n_exec(&cmd_group_x_client::serverfunc)(1); |
| 460 | |
| 461 | // result is constructed with default constructor on error-and-ignore -> i=0 |
| 462 | |
| 463 | CPPUNIT_ASSERT_EQUAL(0,i); |
| 464 | } |
| 465 | |
| 466 | void ignore_finds_lateserver() |
| 467 | { |
| 468 | wraptype::set_connection(auto_ptr<ConnectionWrapper> |
| 469 | (new ReconnectIgnoreFailureSocketWrapper("./socket"))); |
| 470 | |
| 471 | // there is no server |
| 472 | t2n_exec(&cmd_group_x_client::serverfunc)(1); |
| 473 | |
| 474 | // launch a server |
| 475 | |
| 476 | close_server=false; |
| 477 | kill_server=false; |
| 478 | |
| 479 | switch(child_pid=fork()) |
| 480 | { |
| 481 | case -1: |
| 482 | { |
| 483 | CPPUNIT_FAIL("fork error"); |
| 484 | break; |
| 485 | } |
| 486 | case 0: |
| 487 | // child |
| 488 | { |
| 489 | int i=0; |
| 490 | while(i < 10 && !kill_server) |
| 491 | { |
| 492 | close_server=false; |
| 493 | |
| 494 | socket_server ss("./socket"); |
| 495 | group_command_server<cmd_group_x> cs(ss); |
| 496 | ss.set_logging(&logstream,debug); |
| 497 | |
| 498 | // max 10 sec |
| 499 | for (; !close_server && !kill_server && i < 10; i++) |
| 500 | cs.handle(1000000); |
| 501 | } |
| 502 | |
| 503 | // don't call atexit and stuff |
| 504 | _exit(0); |
| 505 | } |
| 506 | |
| 507 | default: |
| 508 | // parent |
| 509 | { |
| 510 | // wait till server is up |
| 511 | sleep(1); |
| 512 | } |
| 513 | } |
| 514 | |
| 515 | // server should be active |
| 516 | int i=t2n_exec(&cmd_group_x_client::serverfunc)(1); |
| 517 | |
| 518 | CPPUNIT_ASSERT_EQUAL(2,i); |
| 519 | |
| 520 | // make sure the server-child is dead before the next test runs |
| 521 | kill(child_pid,SIGKILL); |
| 522 | sleep(1); |
| 523 | } |
| 524 | |
| 525 | |
| 526 | }; |
| 527 | |
| 528 | CPPUNIT_TEST_SUITE_REGISTRATION(test_wrapper_noserver); |