| 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 <boost/bind.hpp> |
| 19 | |
| 20 | #include <cppunit/extensions/TestFactoryRegistry.h> |
| 21 | #include <cppunit/ui/text/TestRunner.h> |
| 22 | #include <cppunit/extensions/HelperMacros.h> |
| 23 | |
| 24 | #include <boost/archive/binary_oarchive.hpp> |
| 25 | #include <boost/archive/binary_iarchive.hpp> |
| 26 | #include <boost/archive/xml_oarchive.hpp> |
| 27 | #include <boost/archive/xml_iarchive.hpp> |
| 28 | #include <boost/serialization/serialization.hpp> |
| 29 | |
| 30 | #include <container.hxx> |
| 31 | #include <socket_client.hxx> |
| 32 | #include <socket_server.hxx> |
| 33 | #include <command_client.hxx> |
| 34 | #include <command_server.hxx> |
| 35 | |
| 36 | #ifdef HAVE_CONFIG_H |
| 37 | #include <config.h> |
| 38 | #endif |
| 39 | |
| 40 | using namespace std; |
| 41 | using namespace libt2n; |
| 42 | using namespace CppUnit; |
| 43 | |
| 44 | string testfunc2(const string& str) |
| 45 | { |
| 46 | if (str=="throw") |
| 47 | throw libt2n::t2n_runtime_error("throw me around"); |
| 48 | string ret(str); |
| 49 | ret+=", testfunc() was here"; |
| 50 | return ret; |
| 51 | } |
| 52 | |
| 53 | class testfunc2_res : public libt2n::result |
| 54 | { |
| 55 | private: |
| 56 | string res; |
| 57 | |
| 58 | friend class boost::serialization::access; |
| 59 | template<class Archive> |
| 60 | void serialize(Archive & ar, const unsigned int version) |
| 61 | { |
| 62 | ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(libt2n::result); |
| 63 | ar & BOOST_SERIALIZATION_NVP(res); |
| 64 | } |
| 65 | |
| 66 | public: |
| 67 | testfunc2_res() |
| 68 | { } |
| 69 | |
| 70 | testfunc2_res(const string& str) |
| 71 | { |
| 72 | res=str; |
| 73 | } |
| 74 | |
| 75 | string get_data() |
| 76 | { |
| 77 | return res; |
| 78 | } |
| 79 | }; |
| 80 | |
| 81 | |
| 82 | class testfunc2_cmd : public libt2n::command |
| 83 | { |
| 84 | private: |
| 85 | string param; |
| 86 | |
| 87 | friend class boost::serialization::access; |
| 88 | template<class Archive> |
| 89 | void serialize(Archive & ar, const unsigned int version) |
| 90 | { |
| 91 | ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(libt2n::command); |
| 92 | ar & BOOST_SERIALIZATION_NVP(param); |
| 93 | } |
| 94 | |
| 95 | public: |
| 96 | testfunc2_cmd() |
| 97 | { } |
| 98 | |
| 99 | testfunc2_cmd(const string& str) |
| 100 | { |
| 101 | param=str; |
| 102 | } |
| 103 | |
| 104 | libt2n::result* operator()() |
| 105 | { |
| 106 | return new testfunc2_res(testfunc2(param)); |
| 107 | } |
| 108 | }; |
| 109 | |
| 110 | #include <boost/serialization/export.hpp> |
| 111 | |
| 112 | BOOST_CLASS_EXPORT(testfunc2_cmd) |
| 113 | BOOST_CLASS_EXPORT(testfunc2_res) |
| 114 | |
| 115 | // this is an evil hack to get access to real_write, don't ever do this in an app!!! |
| 116 | class real_write_connection: public socket_server_connection |
| 117 | { |
| 118 | public: |
| 119 | void real_write(const std::string& data) |
| 120 | { socket_write(data); } |
| 121 | }; |
| 122 | |
| 123 | // this is an evil hack to get access to real_write, don't ever do this in an app!!! |
| 124 | class real_write_client_connection: public socket_client_connection |
| 125 | { |
| 126 | public: |
| 127 | void real_write(const std::string& data) |
| 128 | { socket_write(data); } |
| 129 | }; |
| 130 | |
| 131 | class test_timeout : public TestFixture |
| 132 | { |
| 133 | CPPUNIT_TEST_SUITE(test_timeout); |
| 134 | |
| 135 | CPPUNIT_TEST(ConnectTimeout); |
| 136 | CPPUNIT_TEST(HelloTimeoutNothing); |
| 137 | CPPUNIT_TEST(HelloTimeoutSlowData); |
| 138 | CPPUNIT_TEST(CommandTimeout); |
| 139 | CPPUNIT_TEST(CommandSlowResponse); |
| 140 | CPPUNIT_TEST(DisconnectOnWrite); |
| 141 | CPPUNIT_TEST(DisconnectOnRead); |
| 142 | CPPUNIT_TEST(BreakAccept); |
| 143 | |
| 144 | CPPUNIT_TEST_SUITE_END(); |
| 145 | |
| 146 | public: |
| 147 | |
| 148 | typedef uint32_t packet_size_indicator; |
| 149 | |
| 150 | void setUp() |
| 151 | { } |
| 152 | |
| 153 | void tearDown() |
| 154 | { } |
| 155 | |
| 156 | void send_hello(string hello_string, socket_server* ss, unsigned int conn_id) |
| 157 | { |
| 158 | server_connection *sc=ss->get_connection(conn_id); |
| 159 | sc->write(hello_string); |
| 160 | } |
| 161 | |
| 162 | void send_slow_raw_socket(string data, socket_server* ss, unsigned int conn_id) |
| 163 | { |
| 164 | socket_server_connection *ssc=dynamic_cast<socket_server_connection*>(ss->get_connection(conn_id)); |
| 165 | |
| 166 | // this is an evil hack to get access to real_write, don't ever do this in an app!!! |
| 167 | real_write_connection *rwc=(real_write_connection*)ssc; |
| 168 | |
| 169 | // we write one char each 0.2 sec |
| 170 | for (int pos=0; pos < data.size(); pos++) |
| 171 | { |
| 172 | string onebyte; |
| 173 | onebyte+=data[pos]; |
| 174 | rwc->real_write(onebyte); |
| 175 | usleep(200000); |
| 176 | } |
| 177 | } |
| 178 | |
| 179 | void ConnectTimeout() |
| 180 | { |
| 181 | pid_t pid; |
| 182 | |
| 183 | switch(pid=fork()) |
| 184 | { |
| 185 | case -1: |
| 186 | { |
| 187 | CPPUNIT_FAIL("fork error"); |
| 188 | break; |
| 189 | } |
| 190 | case 0: |
| 191 | // child |
| 192 | { |
| 193 | socket_server ss("./socket"); |
| 194 | |
| 195 | // don't call atexit and stuff |
| 196 | _exit(0); |
| 197 | } |
| 198 | |
| 199 | default: |
| 200 | // parent |
| 201 | { |
| 202 | string data; |
| 203 | |
| 204 | // wait till server is up |
| 205 | sleep(1); |
| 206 | |
| 207 | string errormsg; |
| 208 | |
| 209 | try |
| 210 | { |
| 211 | socket_client_connection sc("./socket"); |
| 212 | command_client cc(sc,1000000,1000000); |
| 213 | } |
| 214 | catch(t2n_transfer_error &e) |
| 215 | { errormsg=e.what(); } |
| 216 | catch(...) |
| 217 | { throw; } |
| 218 | |
| 219 | CPPUNIT_ASSERT_EQUAL(string("error reading from socket : Invalid argument"),errormsg); |
| 220 | } |
| 221 | } |
| 222 | } |
| 223 | |
| 224 | void HelloTimeoutNothing() |
| 225 | { |
| 226 | pid_t pid; |
| 227 | |
| 228 | switch(pid=fork()) |
| 229 | { |
| 230 | case -1: |
| 231 | { |
| 232 | CPPUNIT_FAIL("fork error"); |
| 233 | break; |
| 234 | } |
| 235 | case 0: |
| 236 | // child |
| 237 | { |
| 238 | socket_server ss("./socket"); |
| 239 | |
| 240 | // max 10 sec |
| 241 | for (int i=0; i < 10; i++) |
| 242 | ss.fill_buffer(1000000); |
| 243 | // don't call atexit and stuff |
| 244 | _exit(0); |
| 245 | } |
| 246 | |
| 247 | default: |
| 248 | // parent |
| 249 | { |
| 250 | string data; |
| 251 | |
| 252 | // wait till server is up |
| 253 | sleep(1); |
| 254 | socket_client_connection sc("./socket"); |
| 255 | |
| 256 | string errormsg; |
| 257 | |
| 258 | try |
| 259 | { |
| 260 | command_client cc(sc,1000000,1000000); |
| 261 | } |
| 262 | catch(t2n_transfer_error &e) |
| 263 | { errormsg=e.what(); } |
| 264 | catch(...) |
| 265 | { throw; } |
| 266 | |
| 267 | CPPUNIT_ASSERT_EQUAL(string("timeout exceeded"),errormsg); |
| 268 | } |
| 269 | } |
| 270 | } |
| 271 | |
| 272 | void HelloTimeoutSlowData() |
| 273 | { |
| 274 | pid_t pid; |
| 275 | |
| 276 | switch(pid=fork()) |
| 277 | { |
| 278 | case -1: |
| 279 | { |
| 280 | CPPUNIT_FAIL("fork error"); |
| 281 | break; |
| 282 | } |
| 283 | case 0: |
| 284 | // child |
| 285 | { |
| 286 | socket_server ss("./socket"); |
| 287 | |
| 288 | // create a valid packet |
| 289 | ostringstream hello; |
| 290 | hello << "T2Nv" << PROTOCOL_VERSION << ';'; |
| 291 | int byteordercheck=1; |
| 292 | hello.write((char*)&byteordercheck,sizeof(byteordercheck)); |
| 293 | hello << ';'; |
| 294 | |
| 295 | packet_size_indicator psize=htonl(hello.str().size()); |
| 296 | std::string send_data(hello.str()); |
| 297 | send_data.insert(0,(char*)&psize,sizeof(packet_size_indicator)); |
| 298 | |
| 299 | ss.add_callback(new_connection,bind(&test_timeout::send_slow_raw_socket, boost::ref(*this), send_data,&ss, _1)); |
| 300 | |
| 301 | // max 10 sec |
| 302 | for (int i=0; i < 10; i++) |
| 303 | ss.fill_buffer(1000000); |
| 304 | // don't call atexit and stuff |
| 305 | _exit(0); |
| 306 | } |
| 307 | |
| 308 | default: |
| 309 | // parent |
| 310 | { |
| 311 | string data; |
| 312 | |
| 313 | // wait till server is up |
| 314 | sleep(1); |
| 315 | socket_client_connection sc("./socket"); |
| 316 | |
| 317 | string errormsg; |
| 318 | |
| 319 | try |
| 320 | { |
| 321 | command_client cc(sc,1000000,1000000); |
| 322 | } |
| 323 | catch(t2n_transfer_error &e) |
| 324 | { errormsg=e.what(); } |
| 325 | catch(...) |
| 326 | { throw; } |
| 327 | |
| 328 | CPPUNIT_ASSERT_EQUAL(string("timeout exceeded"),errormsg); |
| 329 | } |
| 330 | } |
| 331 | } |
| 332 | |
| 333 | void CommandTimeout() |
| 334 | { |
| 335 | pid_t pid; |
| 336 | |
| 337 | switch(pid=fork()) |
| 338 | { |
| 339 | case -1: |
| 340 | { |
| 341 | CPPUNIT_FAIL("fork error"); |
| 342 | break; |
| 343 | } |
| 344 | case 0: |
| 345 | // child |
| 346 | { |
| 347 | socket_server ss("./socket"); |
| 348 | |
| 349 | ostringstream hello; |
| 350 | hello << "T2Nv" << PROTOCOL_VERSION << ';'; |
| 351 | int byteordercheck=1; |
| 352 | hello.write((char*)&byteordercheck,sizeof(byteordercheck)); |
| 353 | hello << ';'; |
| 354 | |
| 355 | ss.add_callback(new_connection,bind(&test_timeout::send_hello, boost::ref(*this), hello.str(),&ss, _1)); |
| 356 | |
| 357 | // max 10 sec |
| 358 | for (int i=0; i < 10; i++) |
| 359 | ss.fill_buffer(1000000); |
| 360 | // don't call atexit and stuff |
| 361 | _exit(0); |
| 362 | } |
| 363 | |
| 364 | default: |
| 365 | // parent |
| 366 | { |
| 367 | string data; |
| 368 | |
| 369 | // wait till server is up |
| 370 | sleep(1); |
| 371 | socket_client_connection sc("./socket"); |
| 372 | |
| 373 | command_client cc(sc,1000000,1000000); |
| 374 | result_container rc; |
| 375 | |
| 376 | string errormsg; |
| 377 | |
| 378 | try |
| 379 | { |
| 380 | cc.send_command(new testfunc2_cmd("hello"),rc); |
| 381 | } |
| 382 | catch(t2n_transfer_error &e) |
| 383 | { errormsg=e.what(); } |
| 384 | catch(...) |
| 385 | { throw; } |
| 386 | |
| 387 | CPPUNIT_ASSERT_EQUAL(string("timeout exceeded"),errormsg); |
| 388 | } |
| 389 | } |
| 390 | } |
| 391 | |
| 392 | void CommandSlowResponse() |
| 393 | { |
| 394 | pid_t pid; |
| 395 | |
| 396 | switch(pid=fork()) |
| 397 | { |
| 398 | case -1: |
| 399 | { |
| 400 | CPPUNIT_FAIL("fork error"); |
| 401 | break; |
| 402 | } |
| 403 | case 0: |
| 404 | // child |
| 405 | { |
| 406 | socket_server ss("./socket"); |
| 407 | |
| 408 | ostringstream hello; |
| 409 | hello << "T2Nv" << PROTOCOL_VERSION << ';'; |
| 410 | int byteordercheck=1; |
| 411 | hello.write((char*)&byteordercheck,sizeof(byteordercheck)); |
| 412 | hello << ';'; |
| 413 | |
| 414 | ss.add_callback(new_connection,bind(&test_timeout::send_hello, boost::ref(*this), hello.str(),&ss, _1)); |
| 415 | |
| 416 | // max 10 sec |
| 417 | for (int i=0; i < 10; i++) |
| 418 | { |
| 419 | ss.fill_buffer(1000000); |
| 420 | |
| 421 | string data; |
| 422 | unsigned int cid; |
| 423 | |
| 424 | if(ss.get_packet(data,cid)) |
| 425 | { |
| 426 | // create a valid packet & send |
| 427 | string response="abcdefghijklmnopqrstuvwxyz"; |
| 428 | packet_size_indicator psize=htonl(response.size()); |
| 429 | std::string send_data(response); |
| 430 | send_data.insert(0,(char*)&psize,sizeof(packet_size_indicator)); |
| 431 | send_slow_raw_socket(send_data,&ss,cid); |
| 432 | } |
| 433 | } |
| 434 | // don't call atexit and stuff |
| 435 | _exit(0); |
| 436 | } |
| 437 | |
| 438 | default: |
| 439 | // parent |
| 440 | { |
| 441 | string data; |
| 442 | |
| 443 | // wait till server is up |
| 444 | sleep(1); |
| 445 | socket_client_connection sc("./socket"); |
| 446 | |
| 447 | command_client cc(sc,1000000,1000000); |
| 448 | result_container rc; |
| 449 | |
| 450 | string errormsg; |
| 451 | |
| 452 | try |
| 453 | { |
| 454 | cc.send_command(new testfunc2_cmd("hello"),rc); |
| 455 | } |
| 456 | catch(t2n_transfer_error &e) |
| 457 | { errormsg=e.what(); } |
| 458 | catch(...) |
| 459 | { throw; } |
| 460 | |
| 461 | CPPUNIT_ASSERT_EQUAL(string("timeout exceeded"),errormsg); |
| 462 | } |
| 463 | } |
| 464 | } |
| 465 | |
| 466 | void DisconnectOnWrite() |
| 467 | { |
| 468 | pid_t pid; |
| 469 | |
| 470 | switch(pid=fork()) |
| 471 | { |
| 472 | case -1: |
| 473 | { |
| 474 | CPPUNIT_FAIL("fork error"); |
| 475 | break; |
| 476 | } |
| 477 | case 0: |
| 478 | // child |
| 479 | { |
| 480 | socket_server ss("./socket"); |
| 481 | |
| 482 | // bail out as soon as we get something |
| 483 | ss.fill_buffer(-1); |
| 484 | // don't call atexit and stuff |
| 485 | _exit(0); |
| 486 | } |
| 487 | |
| 488 | default: |
| 489 | // parent |
| 490 | { |
| 491 | string data; |
| 492 | |
| 493 | // don't kill us on broken pipe |
| 494 | signal(SIGPIPE, SIG_IGN); |
| 495 | |
| 496 | // wait till server is up |
| 497 | sleep(1); |
| 498 | socket_client_connection sc("./socket"); |
| 499 | |
| 500 | string errormsg; |
| 501 | |
| 502 | string huge(1000000,'x'); |
| 503 | |
| 504 | try |
| 505 | { |
| 506 | sc.write(huge); |
| 507 | } |
| 508 | catch(t2n_transfer_error &e) |
| 509 | { errormsg=e.what(); } |
| 510 | catch(...) |
| 511 | { throw; } |
| 512 | |
| 513 | CPPUNIT_ASSERT_EQUAL(string("write() returned Broken pipe"),errormsg); |
| 514 | } |
| 515 | } |
| 516 | } |
| 517 | |
| 518 | void DisconnectOnRead() |
| 519 | { |
| 520 | pid_t pid; |
| 521 | |
| 522 | switch(pid=fork()) |
| 523 | { |
| 524 | case -1: |
| 525 | { |
| 526 | CPPUNIT_FAIL("fork error"); |
| 527 | break; |
| 528 | } |
| 529 | case 0: |
| 530 | // child |
| 531 | { |
| 532 | // wait till server is up |
| 533 | sleep(1); |
| 534 | |
| 535 | socket_client_connection sc("./socket"); |
| 536 | |
| 537 | // this is an evil hack to get access to real_write, don't ever do this in an app!!! |
| 538 | real_write_client_connection *rwc=(real_write_client_connection*)≻ |
| 539 | rwc->real_write(string(10000,'x')); |
| 540 | |
| 541 | // don't call atexit and stuff |
| 542 | _exit(0); |
| 543 | } |
| 544 | |
| 545 | default: |
| 546 | // parent |
| 547 | { |
| 548 | // don't kill us on broken pipe |
| 549 | signal(SIGPIPE, SIG_IGN); |
| 550 | |
| 551 | socket_server ss("./socket"); |
| 552 | |
| 553 | time_t t0 = time(NULL); |
| 554 | |
| 555 | // max 5 sec |
| 556 | while (time(NULL) < t0 + 5 ) |
| 557 | { |
| 558 | ss.fill_buffer(1000000); |
| 559 | |
| 560 | string data; |
| 561 | ss.get_packet(data); |
| 562 | } |
| 563 | |
| 564 | // are we still alive and able to process data? |
| 565 | |
| 566 | switch(pid=fork()) |
| 567 | { |
| 568 | case -1: |
| 569 | { |
| 570 | CPPUNIT_FAIL("fork error"); |
| 571 | break; |
| 572 | } |
| 573 | case 0: |
| 574 | // child |
| 575 | { |
| 576 | socket_client_connection *sc=new socket_client_connection("./socket"); |
| 577 | sc->write(string(10000,'x')); |
| 578 | delete sc; |
| 579 | // socket is closed regularly |
| 580 | |
| 581 | // don't run regular cleanup, otherwise cppunit stuff gets called |
| 582 | _exit(0); |
| 583 | } |
| 584 | |
| 585 | default: |
| 586 | // parent |
| 587 | { |
| 588 | string received; |
| 589 | |
| 590 | t0 = time(NULL); |
| 591 | |
| 592 | // max 10 sec |
| 593 | while (time(NULL) < t0 + 10 ) |
| 594 | { |
| 595 | ss.fill_buffer(1000000); |
| 596 | |
| 597 | if (ss.get_packet(received)) |
| 598 | break; |
| 599 | } |
| 600 | |
| 601 | CPPUNIT_ASSERT_EQUAL(string(10000,'x'),received); |
| 602 | } |
| 603 | } |
| 604 | } |
| 605 | } |
| 606 | } |
| 607 | |
| 608 | void BreakAccept() |
| 609 | { |
| 610 | pid_t pid; |
| 611 | |
| 612 | switch(pid=fork()) |
| 613 | { |
| 614 | case -1: |
| 615 | { |
| 616 | CPPUNIT_FAIL("fork error"); |
| 617 | break; |
| 618 | } |
| 619 | case 0: |
| 620 | // child |
| 621 | { |
| 622 | // wait till server is really up and waiting |
| 623 | sleep(2); |
| 624 | |
| 625 | // connect with very tight timeout and only 1 retry |
| 626 | socket_client_connection sc("./socket",50,1); |
| 627 | |
| 628 | // don't call atexit and stuff |
| 629 | _exit(0); |
| 630 | } |
| 631 | |
| 632 | default: |
| 633 | // parent |
| 634 | { |
| 635 | // don't kill us on broken pipe |
| 636 | signal(SIGPIPE, SIG_IGN); |
| 637 | |
| 638 | socket_server ss("./socket"); |
| 639 | |
| 640 | // server is "working" while client wants to connect |
| 641 | sleep(5); |
| 642 | |
| 643 | time_t t0 = time(NULL); |
| 644 | |
| 645 | // max 5 sec |
| 646 | while (time(NULL) < t0 + 5 ) |
| 647 | { |
| 648 | ss.fill_buffer(1000000); |
| 649 | |
| 650 | string data; |
| 651 | ss.get_packet(data); |
| 652 | } |
| 653 | |
| 654 | // are we still alive and able to process data? |
| 655 | |
| 656 | switch(pid=fork()) |
| 657 | { |
| 658 | case -1: |
| 659 | { |
| 660 | CPPUNIT_FAIL("fork error"); |
| 661 | break; |
| 662 | } |
| 663 | case 0: |
| 664 | // child |
| 665 | { |
| 666 | socket_client_connection *sc=new socket_client_connection("./socket"); |
| 667 | sc->write(string(10000,'x')); |
| 668 | delete sc; |
| 669 | // socket is closed regularly |
| 670 | |
| 671 | // don't run regular cleanup, otherwise cppunit stuff gets called |
| 672 | _exit(0); |
| 673 | } |
| 674 | |
| 675 | default: |
| 676 | // parent |
| 677 | { |
| 678 | string received; |
| 679 | |
| 680 | t0 = time(NULL); |
| 681 | |
| 682 | // max 10 sec |
| 683 | while (time(NULL) < t0 + 10 ) |
| 684 | { |
| 685 | ss.fill_buffer(1000000); |
| 686 | |
| 687 | if (ss.get_packet(received)) |
| 688 | break; |
| 689 | } |
| 690 | |
| 691 | CPPUNIT_ASSERT_EQUAL(string(10000,'x'),received); |
| 692 | } |
| 693 | } |
| 694 | } |
| 695 | } |
| 696 | } |
| 697 | }; |
| 698 | |
| 699 | CPPUNIT_TEST_SUITE_REGISTRATION(test_timeout); |