| 1 | /* |
| 2 | Copyright (C) 2004 by Intra2net AG |
| 3 | |
| 4 | The software in this package is distributed under the GNU General |
| 5 | Public License version 2 (with a special exception described below). |
| 6 | |
| 7 | A copy of GNU General Public License (GPL) is included in this distribution, |
| 8 | in the file COPYING.GPL. |
| 9 | |
| 10 | As a special exception, if other files instantiate templates or use macros |
| 11 | or inline functions from this file, or you compile this file and link it |
| 12 | with other works to produce a work based on this file, this file |
| 13 | does not by itself cause the resulting work to be covered |
| 14 | by the GNU General Public License. |
| 15 | |
| 16 | However the source code for this file must still be made available |
| 17 | in accordance with section (3) of the GNU General Public License. |
| 18 | |
| 19 | This exception does not invalidate any other reasons why a work based |
| 20 | on this file might be covered by the GNU General Public License. |
| 21 | */ |
| 22 | #include <sys/types.h> |
| 23 | #include <unistd.h> |
| 24 | #include <errno.h> |
| 25 | #include <signal.h> |
| 26 | #include <stdio.h> |
| 27 | |
| 28 | #include <iostream> |
| 29 | #include <string> |
| 30 | #include <sstream> |
| 31 | #include <stdexcept> |
| 32 | #include <vector> |
| 33 | |
| 34 | #include <boost/bind.hpp> |
| 35 | |
| 36 | #include <cppunit/extensions/TestFactoryRegistry.h> |
| 37 | #include <cppunit/ui/text/TestRunner.h> |
| 38 | #include <cppunit/extensions/HelperMacros.h> |
| 39 | |
| 40 | #include <socket_client.hxx> |
| 41 | #include <socket_server.hxx> |
| 42 | |
| 43 | using namespace std; |
| 44 | using namespace libt2n; |
| 45 | using namespace CppUnit; |
| 46 | |
| 47 | class test_callback : public TestFixture |
| 48 | { |
| 49 | CPPUNIT_TEST_SUITE(test_callback); |
| 50 | |
| 51 | CPPUNIT_TEST(ServerNewConnCallback); |
| 52 | CPPUNIT_TEST(ServerConnClosedCallback); |
| 53 | CPPUNIT_TEST(ServerConnDeletedCallback); |
| 54 | CPPUNIT_TEST(ServerCallbackOrder); |
| 55 | CPPUNIT_TEST(ClientConnClosedCallback); |
| 56 | CPPUNIT_TEST(ClientConnDeletedCallback); |
| 57 | |
| 58 | CPPUNIT_TEST_SUITE_END(); |
| 59 | |
| 60 | std::vector<bool> callback_done; |
| 61 | |
| 62 | pid_t child_pid; |
| 63 | |
| 64 | public: |
| 65 | |
| 66 | void setUp() |
| 67 | { |
| 68 | callback_done.resize(__events_end); |
| 69 | } |
| 70 | |
| 71 | void tearDown() |
| 72 | { |
| 73 | callback_done.clear(); |
| 74 | |
| 75 | // make sure the server-child is dead before the next test runs |
| 76 | kill(child_pid,SIGKILL); |
| 77 | sleep(1); |
| 78 | } |
| 79 | |
| 80 | void callback_func(callback_event_type ev, int conn_id) |
| 81 | { |
| 82 | // we don't care for the conn_id, we just mark the callback as done |
| 83 | if (callback_done[ev]) |
| 84 | throw runtime_error("callback already done for this event"); |
| 85 | |
| 86 | callback_done[ev]=true; |
| 87 | } |
| 88 | |
| 89 | void ServerNewConnCallback() |
| 90 | { |
| 91 | switch(child_pid=fork()) |
| 92 | { |
| 93 | case -1: |
| 94 | { |
| 95 | CPPUNIT_FAIL("fork error"); |
| 96 | break; |
| 97 | } |
| 98 | case 0: |
| 99 | // child |
| 100 | { |
| 101 | try |
| 102 | { |
| 103 | string data; |
| 104 | // wait till server is up |
| 105 | sleep(1); |
| 106 | |
| 107 | { |
| 108 | socket_client_connection sc("./socket"); |
| 109 | |
| 110 | sc.write("ABC"); |
| 111 | |
| 112 | // wait half a sec |
| 113 | sc.fill_buffer(500000); |
| 114 | sc.get_packet(data); |
| 115 | |
| 116 | // close the connection |
| 117 | } |
| 118 | } catch(...) |
| 119 | { |
| 120 | std::cerr << "exception in child. ignoring\n"; |
| 121 | } |
| 122 | |
| 123 | // don't call atexit and stuff |
| 124 | _exit(0); |
| 125 | } |
| 126 | |
| 127 | default: |
| 128 | // parent |
| 129 | { |
| 130 | socket_server ss("./socket"); |
| 131 | |
| 132 | ss.add_callback(new_connection,bind(&test_callback::callback_func, boost::ref(*this), new_connection, _1)); |
| 133 | |
| 134 | // max 3 sec |
| 135 | for (int i=0; i < 3; i++) |
| 136 | { |
| 137 | ss.fill_buffer(1000000); |
| 138 | |
| 139 | string data; |
| 140 | unsigned int cid; |
| 141 | if(ss.get_packet(data,cid)) |
| 142 | { |
| 143 | server_connection* con=ss.get_connection(cid); |
| 144 | con->write("XYZ"); |
| 145 | } |
| 146 | } |
| 147 | CPPUNIT_ASSERT_EQUAL(true,static_cast<bool>(callback_done[new_connection])); |
| 148 | CPPUNIT_ASSERT_EQUAL(false,static_cast<bool>(callback_done[connection_closed])); |
| 149 | CPPUNIT_ASSERT_EQUAL(false,static_cast<bool>(callback_done[connection_deleted])); |
| 150 | } |
| 151 | } |
| 152 | } |
| 153 | |
| 154 | void ServerConnClosedCallback() |
| 155 | { |
| 156 | switch(child_pid=fork()) |
| 157 | { |
| 158 | case -1: |
| 159 | { |
| 160 | CPPUNIT_FAIL("fork error"); |
| 161 | break; |
| 162 | } |
| 163 | case 0: |
| 164 | // child |
| 165 | { |
| 166 | try |
| 167 | { |
| 168 | string data; |
| 169 | // wait till server is up |
| 170 | sleep(1); |
| 171 | |
| 172 | { |
| 173 | socket_client_connection sc("./socket"); |
| 174 | |
| 175 | sc.write("ABC"); |
| 176 | |
| 177 | // wait half a sec |
| 178 | sc.fill_buffer(500000); |
| 179 | sc.get_packet(data); |
| 180 | |
| 181 | // close the connection |
| 182 | } |
| 183 | } catch(...) |
| 184 | { |
| 185 | std::cerr << "exception in child. ignoring\n"; |
| 186 | } |
| 187 | |
| 188 | // don't call atexit and stuff |
| 189 | _exit(0); |
| 190 | } |
| 191 | |
| 192 | default: |
| 193 | // parent |
| 194 | { |
| 195 | socket_server ss("./socket"); |
| 196 | |
| 197 | ss.add_callback(connection_closed,bind(&test_callback::callback_func, boost::ref(*this), connection_closed, _1)); |
| 198 | |
| 199 | // max 3 sec |
| 200 | for (int i=0; i < 3; i++) |
| 201 | { |
| 202 | ss.fill_buffer(1000000); |
| 203 | |
| 204 | string data; |
| 205 | unsigned int cid; |
| 206 | if(ss.get_packet(data,cid)) |
| 207 | { |
| 208 | server_connection* con=ss.get_connection(cid); |
| 209 | con->write("XYZ"); |
| 210 | } |
| 211 | } |
| 212 | CPPUNIT_ASSERT_EQUAL(false,static_cast<bool>(callback_done[new_connection])); |
| 213 | CPPUNIT_ASSERT_EQUAL(true,static_cast<bool>(callback_done[connection_closed])); |
| 214 | CPPUNIT_ASSERT_EQUAL(false,static_cast<bool>(callback_done[connection_deleted])); |
| 215 | } |
| 216 | } |
| 217 | } |
| 218 | |
| 219 | void ServerConnDeletedCallback() |
| 220 | { |
| 221 | switch(child_pid=fork()) |
| 222 | { |
| 223 | case -1: |
| 224 | { |
| 225 | CPPUNIT_FAIL("fork error"); |
| 226 | break; |
| 227 | } |
| 228 | case 0: |
| 229 | // child |
| 230 | { |
| 231 | try |
| 232 | { |
| 233 | string data; |
| 234 | // wait till server is up |
| 235 | sleep(1); |
| 236 | |
| 237 | { |
| 238 | socket_client_connection sc("./socket"); |
| 239 | |
| 240 | sc.write("ABC"); |
| 241 | |
| 242 | // wait half a sec |
| 243 | sc.fill_buffer(500000); |
| 244 | sc.get_packet(data); |
| 245 | |
| 246 | // close the connection |
| 247 | } |
| 248 | } catch(...) |
| 249 | { |
| 250 | std::cerr << "exception in child. ignoring\n"; |
| 251 | } |
| 252 | |
| 253 | // don't call atexit and stuff |
| 254 | _exit(0); |
| 255 | } |
| 256 | |
| 257 | default: |
| 258 | // parent |
| 259 | { |
| 260 | socket_server ss("./socket"); |
| 261 | |
| 262 | ss.add_callback(connection_deleted,bind(&test_callback::callback_func, boost::ref(*this), connection_deleted, _1)); |
| 263 | |
| 264 | // max 3 sec |
| 265 | for (int i=0; i < 3; i++) |
| 266 | { |
| 267 | ss.fill_buffer(1000000); |
| 268 | |
| 269 | string data; |
| 270 | unsigned int cid; |
| 271 | if(ss.get_packet(data,cid)) |
| 272 | { |
| 273 | server_connection* con=ss.get_connection(cid); |
| 274 | con->write("XYZ"); |
| 275 | } |
| 276 | ss.cleanup(); |
| 277 | } |
| 278 | ss.cleanup(); |
| 279 | |
| 280 | CPPUNIT_ASSERT_EQUAL(false,static_cast<bool>(callback_done[new_connection])); |
| 281 | CPPUNIT_ASSERT_EQUAL(false,static_cast<bool>(callback_done[connection_closed])); |
| 282 | CPPUNIT_ASSERT_EQUAL(true,static_cast<bool>(callback_done[connection_deleted])); |
| 283 | } |
| 284 | } |
| 285 | } |
| 286 | |
| 287 | void ServerCallbackOrder() |
| 288 | { |
| 289 | switch(child_pid=fork()) |
| 290 | { |
| 291 | case -1: |
| 292 | { |
| 293 | CPPUNIT_FAIL("fork error"); |
| 294 | break; |
| 295 | } |
| 296 | case 0: |
| 297 | // child |
| 298 | { |
| 299 | try |
| 300 | { |
| 301 | string data; |
| 302 | // wait till server is up |
| 303 | sleep(1); |
| 304 | |
| 305 | { |
| 306 | socket_client_connection sc("./socket"); |
| 307 | |
| 308 | sc.write("1"); |
| 309 | |
| 310 | // wait half a sec |
| 311 | sc.fill_buffer(500000); |
| 312 | sc.get_packet(data); |
| 313 | |
| 314 | sc.write("2"); |
| 315 | |
| 316 | // close the connection |
| 317 | } |
| 318 | } catch(...) |
| 319 | { |
| 320 | std::cerr << "exception in child. ignoring\n"; |
| 321 | } |
| 322 | |
| 323 | // don't call atexit and stuff |
| 324 | _exit(0); |
| 325 | } |
| 326 | |
| 327 | default: |
| 328 | // parent |
| 329 | { |
| 330 | socket_server ss("./socket"); |
| 331 | |
| 332 | ss.add_callback(connection_closed,bind(&test_callback::callback_func, boost::ref(*this), connection_closed, _1)); |
| 333 | ss.add_callback(connection_deleted,bind(&test_callback::callback_func, boost::ref(*this), connection_deleted, _1)); |
| 334 | |
| 335 | bool got_1=false; |
| 336 | |
| 337 | for (int i=0; i < 5; i++) |
| 338 | { |
| 339 | ss.fill_buffer(500000); |
| 340 | |
| 341 | string data; |
| 342 | unsigned int cid; |
| 343 | if(!got_1 && ss.get_packet(data,cid)) |
| 344 | { |
| 345 | server_connection* con=ss.get_connection(cid); |
| 346 | con->write("XYZ"); |
| 347 | got_1=true; |
| 348 | // don't call get_packet anymore |
| 349 | } |
| 350 | ss.cleanup(); |
| 351 | } |
| 352 | ss.cleanup(); |
| 353 | |
| 354 | CPPUNIT_ASSERT_EQUAL_MESSAGE("closed done",true,static_cast<bool>(callback_done[connection_closed])); |
| 355 | CPPUNIT_ASSERT_EQUAL_MESSAGE("not deleted yet",false,static_cast<bool>(callback_done[connection_deleted])); |
| 356 | |
| 357 | for (int i=0; i < 4; i++) |
| 358 | { |
| 359 | ss.fill_buffer(500000); |
| 360 | |
| 361 | string data; |
| 362 | unsigned int cid; |
| 363 | ss.get_packet(data,cid); |
| 364 | ss.cleanup(); |
| 365 | } |
| 366 | ss.cleanup(); |
| 367 | |
| 368 | CPPUNIT_ASSERT_EQUAL_MESSAGE("closed done (2)",true,static_cast<bool>(callback_done[connection_closed])); |
| 369 | CPPUNIT_ASSERT_EQUAL_MESSAGE("deleted done",true,static_cast<bool>(callback_done[connection_deleted])); |
| 370 | } |
| 371 | } |
| 372 | } |
| 373 | |
| 374 | void ClientConnClosedCallback() |
| 375 | { |
| 376 | switch(child_pid=fork()) |
| 377 | { |
| 378 | case -1: |
| 379 | { |
| 380 | CPPUNIT_FAIL("fork error"); |
| 381 | break; |
| 382 | } |
| 383 | case 0: |
| 384 | // child |
| 385 | { |
| 386 | try |
| 387 | { |
| 388 | socket_server ss("./socket"); |
| 389 | |
| 390 | // max 3 sec |
| 391 | for (int i=0; i < 3; i++) |
| 392 | { |
| 393 | ss.fill_buffer(1000000); |
| 394 | |
| 395 | string data; |
| 396 | unsigned int cid; |
| 397 | if(ss.get_packet(data,cid)) |
| 398 | break; |
| 399 | } |
| 400 | } catch(...) |
| 401 | { |
| 402 | std::cerr << "exception in child. ignoring\n"; |
| 403 | } |
| 404 | |
| 405 | // don't call atexit and stuff |
| 406 | _exit(0); |
| 407 | } |
| 408 | |
| 409 | default: |
| 410 | // parent |
| 411 | { |
| 412 | string data; |
| 413 | // wait till server is up |
| 414 | sleep(1); |
| 415 | |
| 416 | socket_client_connection sc("./socket"); |
| 417 | |
| 418 | sc.add_callback(connection_closed,bind(&test_callback::callback_func, boost::ref(*this), connection_closed, 0)); |
| 419 | |
| 420 | sc.write("ABC"); |
| 421 | |
| 422 | // wait half a sec |
| 423 | sc.fill_buffer(500000); |
| 424 | sc.get_packet(data); |
| 425 | |
| 426 | CPPUNIT_ASSERT_EQUAL(false,static_cast<bool>(callback_done[new_connection])); |
| 427 | CPPUNIT_ASSERT_EQUAL(true,static_cast<bool>(callback_done[connection_closed])); |
| 428 | CPPUNIT_ASSERT_EQUAL(false,static_cast<bool>(callback_done[connection_deleted])); |
| 429 | } |
| 430 | } |
| 431 | } |
| 432 | |
| 433 | void ClientConnDeletedCallback() |
| 434 | { |
| 435 | switch(child_pid=fork()) |
| 436 | { |
| 437 | case -1: |
| 438 | { |
| 439 | CPPUNIT_FAIL("fork error"); |
| 440 | break; |
| 441 | } |
| 442 | case 0: |
| 443 | // child |
| 444 | { |
| 445 | try |
| 446 | { |
| 447 | socket_server ss("./socket"); |
| 448 | |
| 449 | // max 3 sec |
| 450 | for (int i=0; i < 3; i++) |
| 451 | { |
| 452 | ss.fill_buffer(1000000); |
| 453 | |
| 454 | string data; |
| 455 | unsigned int cid; |
| 456 | if(ss.get_packet(data,cid)) |
| 457 | break; |
| 458 | } |
| 459 | } catch(...) |
| 460 | { |
| 461 | std::cerr << "exception in child. ignoring\n"; |
| 462 | } |
| 463 | |
| 464 | // don't call atexit and stuff |
| 465 | _exit(0); |
| 466 | } |
| 467 | |
| 468 | default: |
| 469 | // parent |
| 470 | { |
| 471 | string data; |
| 472 | // wait till server is up |
| 473 | sleep(1); |
| 474 | |
| 475 | { |
| 476 | socket_client_connection sc("./socket"); |
| 477 | |
| 478 | sc.add_callback(connection_deleted,bind(&test_callback::callback_func, boost::ref(*this), connection_deleted, 0)); |
| 479 | |
| 480 | sc.write("ABC"); |
| 481 | |
| 482 | // wait half a sec |
| 483 | sc.fill_buffer(500000); |
| 484 | sc.get_packet(data); |
| 485 | } |
| 486 | |
| 487 | CPPUNIT_ASSERT_EQUAL(false,static_cast<bool>(callback_done[new_connection])); |
| 488 | CPPUNIT_ASSERT_EQUAL(false,static_cast<bool>(callback_done[connection_closed])); |
| 489 | CPPUNIT_ASSERT_EQUAL(true,static_cast<bool>(callback_done[connection_deleted])); |
| 490 | } |
| 491 | } |
| 492 | } |
| 493 | }; |
| 494 | |
| 495 | CPPUNIT_TEST_SUITE_REGISTRATION(test_callback); |