Harald Welte | ac35980 | 2017-04-12 12:13:44 +0200 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * Copyright (c) 2005, 2014 Ericsson AB |
| 3 | * All rights reserved. This program and the accompanying materials |
| 4 | * are made available under the terms of the Eclipse Public License v1.0 |
| 5 | * which accompanies this distribution, and is available at |
| 6 | * http://www.eclipse.org/legal/epl-v10.html |
| 7 | * |
| 8 | * Contributors: |
| 9 | * Peter Dimitrov- initial implementation and initial documentation |
| 10 | * Adam Delic |
| 11 | * Eduard Czimbalmos |
| 12 | * Endre Kulcsar |
| 13 | * Gabor Bettesch |
| 14 | * Gabor Szalai |
| 15 | * Tamas Buti |
| 16 | * Zoltan Medve |
| 17 | ******************************************************************************/ |
| 18 | // |
| 19 | // File: SCTPasp_PT.cc |
| 20 | // Description: SCTPasp test port source |
| 21 | // Rev: R11A |
| 22 | // Prodnr: CNL 113 469 |
| 23 | // |
| 24 | |
| 25 | |
| 26 | #include "SCTPasp_PT.hh" |
| 27 | |
| 28 | #include <sys/types.h> |
| 29 | #include <arpa/inet.h> |
| 30 | #include <unistd.h> |
| 31 | #include <netdb.h> |
| 32 | #include <stdarg.h> |
| 33 | #include <memory.h> |
| 34 | #include <fcntl.h> |
| 35 | #include <string.h> |
| 36 | #include <errno.h> |
| 37 | #include <limits.h> |
| 38 | |
| 39 | #define BUFLEN 1024 |
| 40 | #define MAP_LENGTH 10 |
| 41 | #ifdef SCTP_ADAPTION_LAYER |
| 42 | #ifdef LKSCTP_1_0_7 |
| 43 | #undef LKSCTP_1_0_7 |
| 44 | #error LKSCTP_1_0_7 defined but the lksctp older than 1.0.7. Use only -DUSE_SCTP, version is automatically selected |
| 45 | #endif |
| 46 | #ifdef LKSCTP_1_0_9 |
| 47 | #error LKSCTP_1_0_9 defined but the lksctp older than 1.0.7. Use only -DUSE_SCTP, version is automatically selected |
| 48 | #undef LKSCTP_1_0_9 |
| 49 | #endif |
| 50 | #else |
| 51 | // 1.0.7 or newer |
| 52 | #ifdef SCTP_AUTH_CHUNK |
| 53 | // 1.0.9 or newer |
| 54 | #ifdef LKSCTP_1_0_7 |
| 55 | #undef LKSCTP_1_0_7 |
| 56 | #error LKSCTP_1_0_7 defined but the lksctp newer than 1.0.7. Use only -DUSE_SCTP, version is automatically selected |
| 57 | #endif |
| 58 | #ifndef LKSCTP_1_0_9 |
| 59 | #define LKSCTP_1_0_9 |
| 60 | #endif |
| 61 | #else |
| 62 | // 1.0.7 |
| 63 | #ifdef LKSCTP_1_0_9 |
| 64 | #undef LKSCTP_1_0_9 |
| 65 | #error LKSCTP_1_0_9 defined but the lksctp older than 1.0.9. Use only -DUSE_SCTP, version is automatically selected |
| 66 | #endif |
| 67 | #ifndef LKSCTP_1_0_7 |
| 68 | #define LKSCTP_1_0_7 |
| 69 | #endif |
| 70 | |
| 71 | #endif |
| 72 | |
| 73 | #endif |
| 74 | |
| 75 | namespace SCTPasp__PortType { |
| 76 | |
| 77 | struct SCTPasp__PT_PROVIDER::fd_map_item |
| 78 | { // used by map operations |
| 79 | int fd; // socket descriptor |
| 80 | boolean erased; |
| 81 | boolean processing_message; // if true only part of the message is received |
| 82 | boolean einprogress; // connection establishment is in progress |
| 83 | void * buf; // buffer |
| 84 | ssize_t buflen; // length of the buffer |
| 85 | ssize_t nr; // number of received bytes |
| 86 | struct sockaddr_in sin; // storing remote address |
| 87 | }; |
| 88 | |
| 89 | |
| 90 | struct SCTPasp__PT_PROVIDER::fd_map_server_item // server item |
| 91 | { // used by map operations |
| 92 | int fd; // socket descriptor |
| 93 | boolean erased; |
| 94 | struct in_addr local_IP_address; |
| 95 | unsigned short local_port; |
| 96 | }; |
| 97 | |
| 98 | |
| 99 | SCTPasp__PT_PROVIDER::SCTPasp__PT_PROVIDER(const char *par_port_name) |
| 100 | : PORT(par_port_name) |
| 101 | { |
| 102 | simple_mode = FALSE; |
| 103 | reconnect = FALSE; |
| 104 | reconnect_max_attempts = 6; |
| 105 | server_mode = FALSE; |
| 106 | debug = FALSE; |
| 107 | server_backlog = 1; |
| 108 | local_IP_address.s_addr = INADDR_ANY; |
| 109 | (void) memset(&initmsg, 0, sizeof(struct sctp_initmsg)); |
| 110 | initmsg.sinit_num_ostreams = 64; |
| 111 | initmsg.sinit_max_instreams = 64; |
| 112 | initmsg.sinit_max_attempts = 0; |
| 113 | initmsg.sinit_max_init_timeo = 0; |
| 114 | (void) memset(&events, 0, sizeof (events)); |
| 115 | events.sctp_data_io_event = TRUE; |
| 116 | events.sctp_association_event = TRUE; |
| 117 | events.sctp_address_event = TRUE; |
| 118 | events.sctp_send_failure_event = TRUE; |
| 119 | events.sctp_peer_error_event = TRUE; |
| 120 | events.sctp_shutdown_event = TRUE; |
| 121 | events.sctp_partial_delivery_event = TRUE; |
| 122 | #if defined(LKSCTP_1_0_7) || defined(LKSCTP_1_0_9) |
| 123 | events.sctp_adaptation_layer_event = TRUE; |
| 124 | #else |
| 125 | events.sctp_adaption_layer_event = TRUE; |
| 126 | #endif |
| 127 | local_port_is_present = FALSE; |
| 128 | peer_IP_address_is_present = FALSE; |
| 129 | peer_port_is_present = FALSE; |
| 130 | |
| 131 | fd_map=NULL; |
| 132 | list_len=0; |
| 133 | |
| 134 | fd_map_server=NULL; |
| 135 | list_len_server=0; |
| 136 | |
| 137 | fd = -1; |
| 138 | FD_ZERO(&readfds); |
| 139 | FD_ZERO(&writefds); |
| 140 | local_port=-1; |
| 141 | peer_port=-1; |
| 142 | receiving_fd=-1; |
| 143 | } |
| 144 | |
| 145 | |
| 146 | SCTPasp__PT_PROVIDER::~SCTPasp__PT_PROVIDER() |
| 147 | { |
| 148 | for(int i=0;i<list_len;i++) map_delete_item(i); |
| 149 | Free(fd_map); |
| 150 | |
| 151 | if(!simple_mode) |
| 152 | { |
| 153 | for(int i=0;i<list_len_server;i++) map_delete_item_server(i); |
| 154 | Free(fd_map_server); |
| 155 | } |
| 156 | } |
| 157 | |
| 158 | |
| 159 | void SCTPasp__PT_PROVIDER::set_parameter(const char *parameter_name, |
| 160 | const char *parameter_value) |
| 161 | { |
| 162 | |
| 163 | if(strcmp(parameter_name, "simple_mode") == 0) |
| 164 | { |
| 165 | if (strcasecmp(parameter_value,"yes") == 0) |
| 166 | simple_mode = TRUE; |
| 167 | else if(strcasecmp(parameter_value,"no") == 0) |
| 168 | simple_mode = FALSE; |
| 169 | else |
| 170 | error("set_parameter(): Invalid parameter value: %s for parameter %s. Only yes and no can be used!" , |
| 171 | parameter_value, parameter_name); |
| 172 | } |
| 173 | else if(strcmp(parameter_name, "reconnect") == 0) |
| 174 | { |
| 175 | if (strcasecmp(parameter_value,"yes") == 0) |
| 176 | reconnect = TRUE; |
| 177 | else if(strcasecmp(parameter_value,"no") == 0) |
| 178 | reconnect = FALSE; |
| 179 | else |
| 180 | error("set_parameter(): Invalid parameter value: %s for parameter %s. Only yes and no can be used!" , |
| 181 | parameter_value, parameter_name); |
| 182 | } |
| 183 | else if(strcmp(parameter_name, "reconnect_max_attempts") == 0) |
| 184 | { |
| 185 | int value; |
| 186 | if ( (sscanf(parameter_value, "%d", &value) == 1) && (value>=0) ) |
| 187 | reconnect_max_attempts = value; |
| 188 | else |
| 189 | error("set_parameter(): Invalid parameter value: %s for parameter %s. It should be positive integer!" , |
| 190 | parameter_value, parameter_name); |
| 191 | } |
| 192 | else if(strcmp(parameter_name, "server_mode") == 0) |
| 193 | { |
| 194 | if (strcasecmp(parameter_value,"yes") == 0) |
| 195 | server_mode = TRUE; |
| 196 | else if(strcasecmp(parameter_value,"no") == 0) |
| 197 | server_mode = FALSE; |
| 198 | else |
| 199 | error("set_parameter(): Invalid parameter value: %s for parameter %s. Only yes and no can be used!" , |
| 200 | parameter_value, parameter_name); |
| 201 | } |
| 202 | else if(strcmp(parameter_name, "debug") == 0) |
| 203 | { |
| 204 | if (strcasecmp(parameter_value,"yes") == 0) |
| 205 | debug = TRUE; |
| 206 | else if(strcasecmp(parameter_value,"no") == 0) |
| 207 | debug = FALSE; |
| 208 | else |
| 209 | error("set_parameter(): Invalid parameter value: %s for parameter %s. Only yes and no can be used!" , |
| 210 | parameter_value, parameter_name); |
| 211 | } |
| 212 | else if(strcmp(parameter_name, "server_backlog") == 0) |
| 213 | { |
| 214 | int value; |
| 215 | if ( (sscanf(parameter_value, "%d", &value) == 1) && (value>=0) ) |
| 216 | server_backlog = value; |
| 217 | else |
| 218 | error("set_parameter(): Invalid parameter value: %s for parameter %s. It should be positive integer!" , |
| 219 | parameter_value, parameter_name); |
| 220 | } |
| 221 | else if(strcmp(parameter_name, "local_IP_address") == 0) |
| 222 | { |
| 223 | local_IP_address = get_in_addr((const char *) parameter_value); |
| 224 | } |
| 225 | else if(strcmp(parameter_name, "local_port") == 0) |
| 226 | { |
| 227 | unsigned short value; |
| 228 | if (sscanf(parameter_value, "%hu", &value) == 1) |
| 229 | { |
| 230 | local_port = value; |
| 231 | local_port_is_present = TRUE; |
| 232 | } |
| 233 | else |
| 234 | error("set_parameter(): Invalid parameter value: %s for parameter %s. It should be positive integer!" , |
| 235 | parameter_value, parameter_name); |
| 236 | } |
| 237 | else if(strcmp(parameter_name, "peer_IP_address") == 0) |
| 238 | { |
| 239 | peer_IP_address = get_in_addr((const char *) parameter_value); |
| 240 | peer_IP_address_is_present = TRUE; |
| 241 | } |
| 242 | else if(strcmp(parameter_name, "peer_port") == 0) |
| 243 | { |
| 244 | unsigned short value; |
| 245 | if (sscanf(parameter_value, "%hu", &value) == 1) |
| 246 | { |
| 247 | peer_port = value; |
| 248 | peer_port_is_present = TRUE; |
| 249 | } |
| 250 | else |
| 251 | error("set_parameter(): Invalid parameter value: %s for parameter %s. It should be positive integer!" , |
| 252 | parameter_value, parameter_name); |
| 253 | } |
| 254 | else if(strcmp(parameter_name, "sinit_num_ostreams") == 0) |
| 255 | { |
| 256 | long value; |
| 257 | if ( (sscanf(parameter_value, "%ld", &value) == 1) && (value>=0) ) |
| 258 | initmsg.sinit_num_ostreams = value; |
| 259 | else |
| 260 | error("set_parameter(): Invalid parameter value: %s for parameter %s. It should be positive integer!" , |
| 261 | parameter_value, parameter_name); |
| 262 | } |
| 263 | else if(strcmp(parameter_name, "sinit_max_instreams") == 0) |
| 264 | { |
| 265 | long value; |
| 266 | if ( (sscanf(parameter_value, "%ld", &value) == 1) && (value>=0) ) |
| 267 | initmsg.sinit_max_instreams = value; |
| 268 | else |
| 269 | error("set_parameter(): Invalid parameter value: %s for parameter %s. It should be positive integer!" , |
| 270 | parameter_value, parameter_name); |
| 271 | } |
| 272 | else if(strcmp(parameter_name, "sinit_max_attempts") == 0) |
| 273 | { |
| 274 | long value; |
| 275 | if ( (sscanf(parameter_value, "%ld", &value) == 1) && (value>=0) ) |
| 276 | initmsg.sinit_max_attempts = value; |
| 277 | else |
| 278 | error("set_parameter(): Invalid parameter value: %s for parameter %s. It should be positive integer!" , |
| 279 | parameter_value, parameter_name); |
| 280 | } |
| 281 | else if(strcmp(parameter_name, "sinit_max_init_timeo") == 0) |
| 282 | { |
| 283 | long value; |
| 284 | if ( (sscanf(parameter_value, "%ld", &value) == 1) && (value>=0) ) |
| 285 | initmsg.sinit_max_init_timeo = value; |
| 286 | else |
| 287 | error("set_parameter(): Invalid parameter value: %s for parameter %s. It should be positive integer!" , |
| 288 | parameter_value, parameter_name); |
| 289 | } |
| 290 | else if(strcmp(parameter_name, "sctp_association_event") == 0) |
| 291 | { |
| 292 | if (strcasecmp(parameter_value,"enabled") == 0) |
| 293 | events.sctp_association_event = TRUE; |
| 294 | else if(strcasecmp(parameter_value,"disabled") == 0) |
| 295 | events.sctp_association_event = FALSE; |
| 296 | else |
| 297 | error("set_parameter(): Invalid parameter value: %s for parameter %s. It should be enabled or disabled!" , |
| 298 | parameter_value, parameter_name); |
| 299 | } |
| 300 | else if(strcmp(parameter_name, "sctp_address_event") == 0) |
| 301 | { |
| 302 | if (strcasecmp(parameter_value,"enabled") == 0) |
| 303 | events.sctp_address_event = TRUE; |
| 304 | else if(strcasecmp(parameter_value,"disabled") == 0) |
| 305 | events.sctp_address_event = FALSE; |
| 306 | else |
| 307 | error("set_parameter(): Invalid parameter value: %s for parameter %s. It should be enabled or disabled!" , |
| 308 | parameter_value, parameter_name); |
| 309 | } |
| 310 | else if(strcmp(parameter_name, "sctp_send_failure_event") == 0) |
| 311 | { |
| 312 | if (strcasecmp(parameter_value,"enabled") == 0) |
| 313 | events.sctp_send_failure_event = TRUE; |
| 314 | else if(strcasecmp(parameter_value,"disabled") == 0) |
| 315 | events.sctp_send_failure_event = FALSE; |
| 316 | else |
| 317 | error("set_parameter(): Invalid parameter value: %s for parameter %s. It should be enabled or disabled!" , |
| 318 | parameter_value, parameter_name); |
| 319 | } |
| 320 | else if(strcmp(parameter_name, "sctp_peer_error_event") == 0) |
| 321 | { |
| 322 | if (strcasecmp(parameter_value,"enabled") == 0) |
| 323 | events.sctp_peer_error_event = TRUE; |
| 324 | else if(strcasecmp(parameter_value,"disabled") == 0) |
| 325 | events.sctp_peer_error_event = FALSE; |
| 326 | else |
| 327 | error("set_parameter(): Invalid parameter value: %s for parameter %s. It should be enabled or disabled!" , |
| 328 | parameter_value, parameter_name); |
| 329 | } |
| 330 | else if(strcmp(parameter_name, "sctp_shutdown_event") == 0) |
| 331 | { |
| 332 | if (strcasecmp(parameter_value,"enabled") == 0) |
| 333 | events.sctp_shutdown_event = TRUE; |
| 334 | else if(strcasecmp(parameter_value,"disabled") == 0) |
| 335 | events.sctp_shutdown_event = FALSE; |
| 336 | else |
| 337 | error("set_parameter(): Invalid parameter value: %s for parameter %s. It should be enabled or disabled!" , |
| 338 | parameter_value, parameter_name); |
| 339 | } |
| 340 | else if(strcmp(parameter_name, "sctp_partial_delivery_event") == 0) |
| 341 | { |
| 342 | if (strcasecmp(parameter_value,"enabled") == 0) |
| 343 | events.sctp_partial_delivery_event = TRUE; |
| 344 | else if(strcasecmp(parameter_value,"disabled") == 0) |
| 345 | events.sctp_partial_delivery_event = FALSE; |
| 346 | else |
| 347 | error("set_parameter(): Invalid parameter value: %s for parameter %s. It should be enabled or disabled!" , |
| 348 | parameter_value, parameter_name); |
| 349 | } |
| 350 | else if(strcmp(parameter_name, "sctp_adaption_layer_event") == 0) |
| 351 | { |
| 352 | if (strcasecmp(parameter_value,"enabled") == 0) |
| 353 | #if defined(LKSCTP_1_0_7) || defined(LKSCTP_1_0_9) |
| 354 | events.sctp_adaptation_layer_event = TRUE; |
| 355 | #else |
| 356 | events.sctp_adaption_layer_event = TRUE; |
| 357 | #endif |
| 358 | else if(strcasecmp(parameter_value,"disabled") == 0) |
| 359 | #if defined(LKSCTP_1_0_7) || defined(LKSCTP_1_0_9) |
| 360 | events.sctp_adaptation_layer_event = FALSE; |
| 361 | #else |
| 362 | events.sctp_adaption_layer_event = FALSE; |
| 363 | #endif |
| 364 | else |
| 365 | error("set_parameter(): Invalid parameter value: %s for parameter %s. It should be enabled or disabled!" , |
| 366 | parameter_value, parameter_name); |
| 367 | } |
| 368 | else |
| 369 | TTCN_warning("%s: unknown & unhandled parameter: %s", |
| 370 | get_name(), parameter_name); |
| 371 | errno = 0; |
| 372 | } |
| 373 | |
| 374 | |
| 375 | void SCTPasp__PT_PROVIDER::Event_Handler(const fd_set *read_fds, |
| 376 | const fd_set *write_fds, const fd_set */*error_fds*/, |
| 377 | double /*time_since_last_call*/) |
| 378 | { |
| 379 | // Accepting new client |
| 380 | if(!simple_mode) |
| 381 | { |
| 382 | for(int i=0;i<list_len_server;i++) |
| 383 | { |
| 384 | if(!fd_map_server[i].erased && FD_ISSET(fd_map_server[i].fd, read_fds)) |
| 385 | { |
| 386 | int newclient_fd; |
| 387 | struct sockaddr_in peer_address; |
| 388 | socklen_t addrlen = sizeof(peer_address); |
| 389 | if ((newclient_fd = accept(fd_map_server[i].fd, (struct sockaddr *)&peer_address, &addrlen)) == -1) |
| 390 | error("Event handler: accept error (server mode)!"); |
| 391 | else |
| 392 | { |
| 393 | map_put_item(newclient_fd); |
| 394 | setNonBlocking(newclient_fd); |
| 395 | FD_SET(newclient_fd, &readfds); |
| 396 | incoming_message(SCTPasp__Types::ASP__SCTP__Connected( |
| 397 | INTEGER(newclient_fd), |
| 398 | CHARSTRING(inet_ntoa(fd_map_server[i].local_IP_address)), |
| 399 | INTEGER(fd_map_server[i].local_port), |
| 400 | CHARSTRING(inet_ntoa(peer_address.sin_addr)), |
| 401 | INTEGER(ntohs(peer_address.sin_port)))); |
| 402 | Install_Handler(&readfds, NULL, NULL, 0.0); |
| 403 | } |
| 404 | } |
| 405 | } |
| 406 | } |
| 407 | else |
| 408 | { |
| 409 | if(server_mode && FD_ISSET(fd, read_fds)) |
| 410 | { |
| 411 | int newclient_fd; |
| 412 | struct sockaddr_in peer_address; |
| 413 | socklen_t addrlen = sizeof(peer_address); |
| 414 | if ((newclient_fd = accept(fd, (struct sockaddr *)&peer_address, &addrlen)) == -1) |
| 415 | error("Event handler: accept error (server mode)!"); |
| 416 | else |
| 417 | { |
| 418 | map_put_item(newclient_fd); |
| 419 | setNonBlocking(newclient_fd); |
| 420 | FD_SET(newclient_fd, &readfds); |
| 421 | Install_Handler(&readfds, NULL, NULL, 0.0); |
| 422 | } |
| 423 | } |
| 424 | } |
| 425 | // Receiving data |
| 426 | for(int i=0;i<list_len;i++) |
| 427 | { |
| 428 | if(!simple_mode && !fd_map[i].erased && fd_map[i].einprogress && |
| 429 | FD_ISSET(fd_map[i].fd, write_fds)) |
| 430 | { |
| 431 | if (connect(fd_map[i].fd, (struct sockaddr *)&fd_map[i].sin, |
| 432 | sizeof (fd_map[i].sin)) == -1) |
| 433 | { |
| 434 | if(errno == EISCONN) |
| 435 | { |
| 436 | SCTPasp__Types::ASP__SCTP__RESULT asp_sctp_result; |
| 437 | asp_sctp_result.client__id() = fd_map[i].fd; |
| 438 | asp_sctp_result.error__status() = FALSE; |
| 439 | asp_sctp_result.error__message() = OMIT_VALUE; |
| 440 | incoming_message(asp_sctp_result); |
| 441 | fd_map[i].einprogress = FALSE; |
| 442 | FD_CLR(fd_map[i].fd, &writefds); |
| 443 | FD_SET(fd_map[i].fd, &readfds); |
| 444 | Install_Handler(&readfds, &writefds, NULL, 0.0); |
| 445 | errno = 0; |
| 446 | log("Connection successfully established to (%s):(%d)", |
| 447 | inet_ntoa(peer_IP_address), peer_port); |
| 448 | } |
| 449 | else |
| 450 | { |
| 451 | close(fd_map[i].fd); |
| 452 | fd = -1; |
| 453 | TTCN_warning("Connect error!"); |
| 454 | SCTPasp__Types::ASP__SCTP__RESULT asp_sctp_result; |
| 455 | asp_sctp_result.client__id() = fd_map[i].fd; |
| 456 | asp_sctp_result.error__status() = TRUE; |
| 457 | asp_sctp_result.error__message() = strerror(errno); |
| 458 | incoming_message(asp_sctp_result); |
| 459 | FD_CLR(fd_map[i].fd, &writefds); |
| 460 | map_delete_item_fd(fd_map[i].fd); |
| 461 | Install_Handler(&readfds, &writefds, NULL, 0.0); |
| 462 | errno = 0; |
| 463 | log("Connection establishment to (%s):(%d) failed !", |
| 464 | inet_ntoa(peer_IP_address), peer_port); |
| 465 | } |
| 466 | } |
| 467 | } |
| 468 | |
| 469 | if(!fd_map[i].erased && FD_ISSET(fd_map[i].fd, read_fds)) |
| 470 | { |
| 471 | log("Calling Event_Handler."); |
| 472 | receiving_fd = fd_map[i].fd; |
| 473 | |
| 474 | struct cmsghdr *cmsg; |
| 475 | struct sctp_sndrcvinfo *sri; |
| 476 | char cbuf[sizeof (*cmsg) + sizeof (*sri)]; |
| 477 | struct msghdr msg; |
| 478 | struct iovec iov; |
| 479 | size_t cmsglen = sizeof (*cmsg) + sizeof (*sri); |
| 480 | |
| 481 | if ( !fd_map[i].processing_message ) |
| 482 | { |
| 483 | fd_map[i].buf = Malloc(BUFLEN); |
| 484 | fd_map[i].buflen = BUFLEN; |
| 485 | iov.iov_base = fd_map[i].buf; |
| 486 | iov.iov_len = fd_map[i].buflen; |
| 487 | } |
| 488 | else |
| 489 | { |
| 490 | // Set the next read offset |
| 491 | log("Event_Handler: setting the next read offset."); |
| 492 | iov.iov_base = (char *)fd_map[i].buf + fd_map[i].nr; |
| 493 | iov.iov_len = fd_map[i].buflen - fd_map[i].nr; |
| 494 | } |
| 495 | |
| 496 | // Set up the msghdr structure for receiving |
| 497 | memset(&msg, 0, sizeof (msg)); |
| 498 | msg.msg_iov = &iov; |
| 499 | msg.msg_iovlen = 1; |
| 500 | msg.msg_control = cbuf; |
| 501 | msg.msg_controllen = cmsglen; |
| 502 | |
| 503 | memset(cbuf, 0, sizeof (*cmsg) + sizeof (*sri)); |
| 504 | cmsg = (struct cmsghdr *)cbuf; |
| 505 | sri = (struct sctp_sndrcvinfo *)(cmsg + 1); |
| 506 | |
| 507 | return_value_t value = getmsg(receiving_fd, &msg); |
| 508 | switch(value) |
| 509 | { |
| 510 | case WHOLE_MESSAGE_RECEIVED: |
| 511 | fd_map[i].processing_message = FALSE; |
| 512 | // Intercept notifications here |
| 513 | if (msg.msg_flags & MSG_NOTIFICATION) |
| 514 | { |
| 515 | log("Calling event_handler for an incoming notification."); |
| 516 | handle_event(fd_map[i].buf); |
| 517 | } |
| 518 | else |
| 519 | { |
| 520 | log("Incoming data."); |
| 521 | unsigned int ui = ntohl(sri->sinfo_ppid); |
| 522 | INTEGER i_ppid; |
| 523 | if (ui <= (unsigned long)INT_MAX) |
| 524 | i_ppid = ui; |
| 525 | else { |
| 526 | char sbuf[16]; |
| 527 | sprintf(sbuf, "%u", ui); |
| 528 | i_ppid = INTEGER(sbuf); |
| 529 | } |
| 530 | incoming_message(SCTPasp__Types::ASP__SCTP( |
| 531 | INTEGER(receiving_fd), |
| 532 | INTEGER(sri->sinfo_stream), |
| 533 | i_ppid, |
| 534 | OCTETSTRING(fd_map[i].nr,(const unsigned char *)fd_map[i].buf))); |
| 535 | } |
| 536 | Free(fd_map[i].buf); |
| 537 | fd_map[i].buf = NULL; |
| 538 | break; |
| 539 | case PARTIAL_RECEIVE: |
| 540 | fd_map[i].processing_message = TRUE; |
| 541 | break; |
| 542 | case EOF_OR_ERROR: |
| 543 | if (!server_mode) fd = -1; // setting closed socket to -1 in client mode (and reconnect mode) |
| 544 | FD_CLR(receiving_fd, &readfds); |
| 545 | Install_Handler(&readfds, NULL, NULL, 0.0); |
| 546 | map_delete_item(i); |
| 547 | if (events.sctp_association_event) incoming_message(SCTPasp__Types::ASP__SCTP__ASSOC__CHANGE( |
| 548 | INTEGER(receiving_fd), |
| 549 | SCTPasp__Types::SAC__STATE(SCTP_COMM_LOST))); |
| 550 | log("getmsg() returned with NULL. Socket is closed."); |
| 551 | if (reconnect) forced_reconnect(reconnect_max_attempts); |
| 552 | |
| 553 | break; |
| 554 | }//endswitch |
| 555 | }// endif |
| 556 | }// endfor |
| 557 | } |
| 558 | |
| 559 | |
| 560 | void SCTPasp__PT_PROVIDER::user_map(const char *system_port) |
| 561 | { |
| 562 | log("Calling user_map(%s).",system_port); |
| 563 | if(simple_mode) |
| 564 | { |
| 565 | if ( server_mode && reconnect ) |
| 566 | { |
| 567 | error("user_map(): server mode and reconnect mode are mutually exclusive!"); |
| 568 | } |
| 569 | if ( server_mode && !local_port_is_present ) |
| 570 | { |
| 571 | error("user_map(): in server mode local_port must be defined!"); |
| 572 | } |
| 573 | |
| 574 | // Server mode: turns on listening |
| 575 | if (server_mode) |
| 576 | { |
| 577 | log("Running in SERVER_MODE."); |
| 578 | create_socket(); |
| 579 | if (listen(fd, server_backlog) == -1) error("Listen error!"); |
| 580 | log("Listening @ (%s):(%d)", inet_ntoa(local_IP_address), local_port); |
| 581 | FD_SET(fd, &readfds); |
| 582 | Install_Handler(&readfds, NULL, NULL, 0.0); |
| 583 | } else if (reconnect) { |
| 584 | log("Running in RECONNECT MODE."); |
| 585 | forced_reconnect(reconnect_max_attempts+1); |
| 586 | } else { |
| 587 | log("Running in CLIENT MODE."); |
| 588 | } |
| 589 | } |
| 590 | else |
| 591 | { |
| 592 | log("Running in NORMAL MODE."); |
| 593 | } |
| 594 | log("Leaving user_map()."); |
| 595 | } |
| 596 | |
| 597 | |
| 598 | void SCTPasp__PT_PROVIDER::user_unmap(const char *system_port) |
| 599 | { |
| 600 | log("Calling user_unmap(%s).",system_port); |
| 601 | Uninstall_Handler(); |
| 602 | FD_ZERO(&readfds); |
| 603 | FD_ZERO(&writefds); |
| 604 | if(!simple_mode) |
| 605 | { |
| 606 | for(int i=0;i<list_len;i++) map_delete_item(i); |
| 607 | for(int i=0;i<list_len_server;i++) map_delete_item_server(i); |
| 608 | } |
| 609 | else |
| 610 | { |
| 611 | for(int i=0;i<list_len;i++) map_delete_item(i); |
| 612 | if(server_mode) close(fd); |
| 613 | } |
| 614 | log("Leaving user_unmap()."); |
| 615 | } |
| 616 | |
| 617 | |
| 618 | void SCTPasp__PT_PROVIDER::user_start() |
| 619 | { |
| 620 | log("Calling user_start()."); |
| 621 | log("Leaving user_start()."); |
| 622 | } |
| 623 | |
| 624 | |
| 625 | void SCTPasp__PT_PROVIDER::user_stop() |
| 626 | { |
| 627 | log("Calling user_stop()."); |
| 628 | log("Leaving user_stop()."); |
| 629 | } |
| 630 | |
| 631 | |
| 632 | void SCTPasp__PT_PROVIDER::outgoing_send(const SCTPasp__Types::ASP__SCTP__Connect& send_par) |
| 633 | { |
| 634 | log("Calling outgoing_send (ASP_SCTP_CONNECT)."); |
| 635 | if(simple_mode) |
| 636 | { |
| 637 | if (server_mode) |
| 638 | error("ASP_SCTP_CONNECT is not allowed in server mode!"); |
| 639 | } |
| 640 | if( !peer_IP_address_is_present && !send_par.peer__hostname().ispresent() ) |
| 641 | error("Peer IP address should be defined!"); |
| 642 | |
| 643 | if( !peer_port_is_present && !send_par.peer__portnumber().ispresent() ) |
| 644 | error("Peer port should be defined!"); |
| 645 | if(!simple_mode) |
| 646 | { |
| 647 | boolean temp_bool = local_port_is_present; |
| 648 | local_port_is_present = FALSE; |
| 649 | create_socket(); // creating client socket |
| 650 | local_port_is_present = temp_bool; |
| 651 | } |
| 652 | else |
| 653 | { |
| 654 | if (fd == -1) create_socket(); // checking if there is an open socket |
| 655 | else if(FD_ISSET(fd, &readfds)) // Active connection |
| 656 | error("ASP_SCTP_CONNECT called during active connection."); |
| 657 | } |
| 658 | struct sockaddr_in sin; |
| 659 | if(send_par.peer__hostname().ispresent()) |
| 660 | { |
| 661 | peer_IP_address = get_in_addr((const char *)(const CHARSTRING&)send_par.peer__hostname()); |
| 662 | } |
| 663 | if(send_par.peer__portnumber().ispresent()) |
| 664 | peer_port = (int) (const INTEGER&) send_par.peer__portnumber(); |
| 665 | |
| 666 | sin.sin_family = AF_INET; |
| 667 | sin.sin_port = htons(peer_port); |
| 668 | sin.sin_addr.s_addr = peer_IP_address.s_addr; |
| 669 | log("Connecting to (%s):(%d)", inet_ntoa(peer_IP_address), peer_port); |
| 670 | // setting non-blocking mode |
| 671 | if(!simple_mode) setNonBlocking(fd); |
| 672 | if (connect(fd, (struct sockaddr *)&sin, sizeof (sin)) == -1) |
| 673 | { |
| 674 | if(errno == EINPROGRESS && !simple_mode) |
| 675 | { |
| 676 | map_put_item(fd); |
| 677 | int i = map_get_item(fd); |
| 678 | fd_map[i].einprogress = TRUE; |
| 679 | fd_map[i].sin.sin_family = AF_INET; |
| 680 | fd_map[i].sin.sin_port = htons(peer_port);; |
| 681 | fd_map[i].sin.sin_addr.s_addr= peer_IP_address.s_addr; |
| 682 | FD_SET(fd, &writefds); |
| 683 | Install_Handler(&readfds, &writefds, NULL, 0.0); |
| 684 | log("Connection in progress to (%s):(%d)", inet_ntoa(peer_IP_address), |
| 685 | peer_port); |
| 686 | } |
| 687 | else |
| 688 | { |
| 689 | close(fd); |
| 690 | fd = -1; |
| 691 | TTCN_warning("Connect error!"); |
| 692 | SCTPasp__Types::ASP__SCTP__RESULT asp_sctp_result; |
| 693 | asp_sctp_result.client__id() = OMIT_VALUE; |
| 694 | asp_sctp_result.error__status() = TRUE; |
| 695 | asp_sctp_result.error__message() = strerror(errno); |
| 696 | incoming_message(asp_sctp_result); |
| 697 | } |
| 698 | errno = 0; |
| 699 | } |
| 700 | else |
| 701 | { |
| 702 | SCTPasp__Types::ASP__SCTP__RESULT asp_sctp_result; |
| 703 | asp_sctp_result.client__id() = fd; |
| 704 | asp_sctp_result.error__status() = FALSE; |
| 705 | asp_sctp_result.error__message() = OMIT_VALUE; |
| 706 | incoming_message(asp_sctp_result); |
| 707 | map_put_item(fd); |
| 708 | if(simple_mode) setNonBlocking(fd); |
| 709 | FD_SET(fd, &readfds); |
| 710 | Install_Handler(&readfds, NULL, NULL, 0.0); |
| 711 | log("Connection successfully established to (%s):(%d)", inet_ntoa(peer_IP_address), peer_port); |
| 712 | } |
| 713 | log("Leaving outgoing_send (ASP_SCTP_CONNECT)."); |
| 714 | } |
| 715 | |
| 716 | |
| 717 | void SCTPasp__PT_PROVIDER::outgoing_send(const SCTPasp__Types::ASP__SCTP__ConnectFrom& send_par) |
| 718 | { |
| 719 | log("Calling outgoing_send (ASP_SCTP_CONNECTFROM)."); |
| 720 | if(!simple_mode) |
| 721 | { |
| 722 | if( !peer_IP_address_is_present && !send_par.peer__hostname().ispresent() ) |
| 723 | error("Peer IP address should be defined!"); |
| 724 | if( !peer_port_is_present && !send_par.peer__portnumber().ispresent() ) |
| 725 | error("Peer port should be defined!"); |
| 726 | // work around for create_socket() |
| 727 | unsigned short temp = local_port; // saving global variables |
| 728 | boolean temp_bool = local_port_is_present; |
| 729 | struct in_addr temp_local_IP_address = local_IP_address; |
| 730 | local_port = (int) (const INTEGER&) send_par.local__portnumber(); |
| 731 | local_port_is_present = TRUE; |
| 732 | if(send_par.local__hostname().ispresent()) |
| 733 | { |
| 734 | local_IP_address = get_in_addr((const char *)(const CHARSTRING&)send_par.local__hostname()); |
| 735 | } |
| 736 | create_socket(); // creating client socket |
| 737 | |
| 738 | struct sockaddr_in sin; |
| 739 | if(send_par.peer__hostname().ispresent()) |
| 740 | { |
| 741 | peer_IP_address = get_in_addr((const char *)(const CHARSTRING&)send_par.peer__hostname()); |
| 742 | } |
| 743 | if(send_par.peer__portnumber().ispresent()) |
| 744 | peer_port = (int) (const INTEGER&) send_par.peer__portnumber(); |
| 745 | |
| 746 | sin.sin_family = AF_INET; |
| 747 | sin.sin_port = htons(peer_port); |
| 748 | sin.sin_addr.s_addr = peer_IP_address.s_addr; |
| 749 | log("Connecting to (%s):(%d)", inet_ntoa(peer_IP_address), peer_port); |
| 750 | // setting non-blocking mode |
| 751 | setNonBlocking(fd); |
| 752 | if (connect(fd, (struct sockaddr *)&sin, sizeof (sin)) == -1) |
| 753 | { |
| 754 | if(errno == EINPROGRESS) |
| 755 | { |
| 756 | map_put_item(fd); |
| 757 | int i = map_get_item(fd); |
| 758 | fd_map[i].einprogress = TRUE; |
| 759 | fd_map[i].sin.sin_family = AF_INET; |
| 760 | fd_map[i].sin.sin_port = htons(peer_port);; |
| 761 | fd_map[i].sin.sin_addr.s_addr= peer_IP_address.s_addr; |
| 762 | FD_SET(fd, &writefds); |
| 763 | Install_Handler(&readfds, &writefds, NULL, 0.0); |
| 764 | log("Connection in progress to (%s):(%d)", inet_ntoa(peer_IP_address), |
| 765 | peer_port); |
| 766 | } |
| 767 | else |
| 768 | { |
| 769 | close(fd); |
| 770 | fd = -1; |
| 771 | TTCN_warning("Connect error!"); |
| 772 | SCTPasp__Types::ASP__SCTP__RESULT asp_sctp_result; |
| 773 | asp_sctp_result.client__id() = OMIT_VALUE; |
| 774 | asp_sctp_result.error__status() = TRUE; |
| 775 | asp_sctp_result.error__message() = strerror(errno); |
| 776 | incoming_message(asp_sctp_result); |
| 777 | } |
| 778 | errno = 0; |
| 779 | } |
| 780 | else |
| 781 | { |
| 782 | SCTPasp__Types::ASP__SCTP__RESULT asp_sctp_result; |
| 783 | asp_sctp_result.client__id() = fd; |
| 784 | asp_sctp_result.error__status() = FALSE; |
| 785 | asp_sctp_result.error__message() = OMIT_VALUE; |
| 786 | incoming_message(asp_sctp_result); |
| 787 | map_put_item(fd); |
| 788 | FD_SET(fd, &readfds); |
| 789 | Install_Handler(&readfds, NULL, NULL, 0.0); |
| 790 | log("Connection successfully established to (%s):(%d)", inet_ntoa(peer_IP_address), peer_port); |
| 791 | } |
| 792 | local_port = temp; // restoring global variables |
| 793 | local_port_is_present = temp_bool; |
| 794 | local_IP_address = temp_local_IP_address; |
| 795 | } |
| 796 | log("Leaving outgoing_send (ASP_SCTP_CONNECTFROM)."); |
| 797 | } |
| 798 | |
| 799 | |
| 800 | void SCTPasp__PT_PROVIDER::outgoing_send(const SCTPasp__Types::ASP__SCTP__Listen& send_par) |
| 801 | { |
| 802 | log("Calling outgoing_send (ASP_SCTP_LISTEN)."); |
| 803 | if(!simple_mode) |
| 804 | { |
| 805 | // work around for create_socket() |
| 806 | unsigned short temp = local_port; // saving global variables |
| 807 | boolean temp_bool = local_port_is_present; |
| 808 | struct in_addr temp_local_IP_address = local_IP_address; |
| 809 | local_port = (int) (const INTEGER&) send_par.local__portnumber(); |
| 810 | local_port_is_present = TRUE; |
| 811 | if(send_par.local__hostname().ispresent()) |
| 812 | { |
| 813 | local_IP_address = get_in_addr((const char *)(const CHARSTRING&)send_par.local__hostname()); |
| 814 | } |
| 815 | create_socket(); |
| 816 | if (listen(fd, server_backlog) == -1) error("Listen error!"); |
| 817 | map_put_item_server(fd, local_IP_address, local_port); |
| 818 | log("Listening @ (%s):(%d)", inet_ntoa(local_IP_address), local_port); |
| 819 | local_port = temp; // restoring global variables |
| 820 | local_port_is_present = temp_bool; |
| 821 | local_IP_address = temp_local_IP_address; |
| 822 | FD_SET(fd, &readfds); |
| 823 | Install_Handler(&readfds, NULL, NULL, 0.0); |
| 824 | #ifdef SCTP_REPORT_LISTEN_RESULT |
| 825 | SCTPasp__Types::ASP__SCTP__RESULT asp_sctp_result; |
| 826 | asp_sctp_result.client__id() = fd; |
| 827 | asp_sctp_result.error__status() = FALSE; |
| 828 | asp_sctp_result.error__message() = OMIT_VALUE; |
| 829 | incoming_message(asp_sctp_result); |
| 830 | #endif |
| 831 | } |
| 832 | log("Leaving outgoing_send (ASP_SCTP_LISTEN)."); |
| 833 | } |
| 834 | |
| 835 | |
| 836 | void SCTPasp__PT_PROVIDER::outgoing_send(const SCTPasp__Types::ASP__SCTP__SetSocketOptions& send_par) |
| 837 | { |
| 838 | log("Calling outgoing_send (ASP_SCTP_SETSOCKETOPTIONS)."); |
| 839 | if(simple_mode) |
| 840 | { |
| 841 | if (fd == -1) create_socket(); // checking if there is an open socket |
| 842 | } |
| 843 | switch (send_par.get_selection()) |
| 844 | { |
| 845 | case SCTPasp__Types::ASP__SCTP__SetSocketOptions::ALT_Sctp__init: |
| 846 | { |
| 847 | (void) memset(&initmsg, 0, sizeof(struct sctp_initmsg)); |
| 848 | const SCTPasp__Types::SCTP__INIT& init = send_par.Sctp__init(); |
| 849 | initmsg.sinit_num_ostreams = (int) init.sinit__num__ostreams(); |
| 850 | initmsg.sinit_max_instreams = (int) init.sinit__max__instreams(); |
| 851 | initmsg.sinit_max_attempts = (int) init.sinit__max__attempts(); |
| 852 | initmsg.sinit_max_init_timeo = (int) init.sinit__max__init__timeo(); |
| 853 | log("Setting SCTP socket options (initmsg)."); |
| 854 | if (setsockopt(fd, IPPROTO_SCTP, SCTP_INITMSG, &initmsg, |
| 855 | sizeof(struct sctp_initmsg)) < 0) |
| 856 | { |
| 857 | TTCN_warning("Setsockopt error!"); |
| 858 | SCTPasp__Types::ASP__SCTP__RESULT asp_sctp_result; |
| 859 | asp_sctp_result.client__id() = fd; |
| 860 | asp_sctp_result.error__status() = TRUE; |
| 861 | asp_sctp_result.error__message() = strerror(errno); |
| 862 | incoming_message(asp_sctp_result); |
| 863 | errno = 0; |
| 864 | } |
| 865 | else |
| 866 | { |
| 867 | SCTPasp__Types::ASP__SCTP__RESULT asp_sctp_result; |
| 868 | asp_sctp_result.client__id() = fd; |
| 869 | asp_sctp_result.error__status() = FALSE; |
| 870 | asp_sctp_result.error__message() = OMIT_VALUE; |
| 871 | incoming_message(asp_sctp_result); |
| 872 | } |
| 873 | break; |
| 874 | } |
| 875 | case SCTPasp__Types::ASP__SCTP__SetSocketOptions::ALT_Sctp__events: |
| 876 | { |
| 877 | const SCTPasp__Types::SCTP__EVENTS& event = send_par.Sctp__events(); |
| 878 | events.sctp_data_io_event = (boolean) event.sctp__data__io__event(); |
| 879 | events.sctp_association_event = (boolean) event.sctp__association__event(); |
| 880 | events.sctp_address_event = (boolean) event.sctp__address__event(); |
| 881 | events.sctp_send_failure_event = (boolean) event.sctp__send__failure__event(); |
| 882 | events.sctp_peer_error_event = (boolean) event.sctp__peer__error__event(); |
| 883 | events.sctp_shutdown_event = (boolean) event.sctp__shutdown__event(); |
| 884 | events.sctp_partial_delivery_event = (boolean) event.sctp__partial__delivery__event(); |
| 885 | #if defined(LKSCTP_1_0_7) || defined(LKSCTP_1_0_9) |
| 886 | events.sctp_adaptation_layer_event = (boolean) event.sctp__adaption__layer__event(); |
| 887 | #else |
| 888 | events.sctp_adaption_layer_event = (boolean) event.sctp__adaption__layer__event(); |
| 889 | #endif |
| 890 | break; |
| 891 | } |
| 892 | case SCTPasp__Types::ASP__SCTP__SetSocketOptions::ALT_So__linger: |
| 893 | { |
| 894 | struct linger so_linger; |
| 895 | (void) memset(&so_linger, 0, sizeof (so_linger)); |
| 896 | const SCTPasp__Types::SO__LINGER& so = send_par.So__linger(); |
| 897 | so_linger.l_onoff = (int) so.l__onoff(); |
| 898 | so_linger.l_linger = (int) so.l__linger(); |
| 899 | // Setting a socket level option |
| 900 | log("Setting SCTP socket options (so_linger)."); |
| 901 | if (setsockopt(fd, SOL_SOCKET, SCTP_EVENTS, &so_linger, sizeof (so_linger)) < 0) |
| 902 | { |
| 903 | TTCN_warning("Setsockopt error!"); |
| 904 | SCTPasp__Types::ASP__SCTP__RESULT asp_sctp_result; |
| 905 | asp_sctp_result.client__id() = fd; |
| 906 | asp_sctp_result.error__status() = TRUE; |
| 907 | asp_sctp_result.error__message() = strerror(errno); |
| 908 | incoming_message(asp_sctp_result); |
| 909 | errno = 0; |
| 910 | } |
| 911 | else |
| 912 | { |
| 913 | SCTPasp__Types::ASP__SCTP__RESULT asp_sctp_result; |
| 914 | asp_sctp_result.client__id() = fd; |
| 915 | asp_sctp_result.error__status() = FALSE; |
| 916 | asp_sctp_result.error__message() = OMIT_VALUE; |
| 917 | incoming_message(asp_sctp_result); |
| 918 | } |
| 919 | break; |
| 920 | } |
| 921 | case SCTPasp__Types::ASP__SCTP__SetSocketOptions::ALT_Sctp__rtoinfo: |
| 922 | { |
| 923 | struct sctp_rtoinfo sctp_rtoinfo; |
| 924 | (void) memset(&sctp_rtoinfo, 0, sizeof (sctp_rtoinfo)); |
| 925 | const SCTPasp__Types::SCTP__RTOINFO& rto = send_par.Sctp__rtoinfo(); |
| 926 | int local_fd = (int) rto.client__id(); |
| 927 | sctp_rtoinfo.srto_initial = (int) rto.srto__initial(); |
| 928 | sctp_rtoinfo.srto_max = (int) rto.srto__max(); |
| 929 | sctp_rtoinfo.srto_min = (int) rto.srto__min(); |
| 930 | // Setting a SCTP level socket option |
| 931 | log("Setting SCTP socket options (sctp_rtoinfo)."); |
| 932 | if (setsockopt(local_fd, IPPROTO_SCTP, SCTP_RTOINFO, &sctp_rtoinfo, |
| 933 | sizeof (sctp_rtoinfo)) < 0) |
| 934 | { |
| 935 | TTCN_warning("Setsockopt error!"); |
| 936 | SCTPasp__Types::ASP__SCTP__RESULT asp_sctp_result; |
| 937 | asp_sctp_result.client__id() = local_fd; |
| 938 | asp_sctp_result.error__status() = TRUE; |
| 939 | asp_sctp_result.error__message() = strerror(errno); |
| 940 | incoming_message(asp_sctp_result); |
| 941 | errno = 0; |
| 942 | } |
| 943 | else |
| 944 | { |
| 945 | SCTPasp__Types::ASP__SCTP__RESULT asp_sctp_result; |
| 946 | asp_sctp_result.client__id() = local_fd; |
| 947 | asp_sctp_result.error__status() = FALSE; |
| 948 | asp_sctp_result.error__message() = OMIT_VALUE; |
| 949 | incoming_message(asp_sctp_result); |
| 950 | } |
| 951 | break; |
| 952 | } |
| 953 | default: |
| 954 | error("Setsocketoptions error: UNBOUND value!"); |
| 955 | break; |
| 956 | } |
| 957 | log("Leaving outgoing_send (ASP_SCTP_SETSOCKETOPTIONS)."); |
| 958 | } |
| 959 | |
| 960 | |
| 961 | void SCTPasp__PT_PROVIDER::outgoing_send(const SCTPasp__Types::ASP__SCTP__Close& send_par) |
| 962 | { |
| 963 | log("Calling outgoing_send (ASP_SCTP_CLOSE)."); |
| 964 | if(!simple_mode) |
| 965 | { |
| 966 | if(send_par.client__id().ispresent()) |
| 967 | { |
| 968 | int local_fd = (int) (const INTEGER&) send_par.client__id(); |
| 969 | log("NORMAL MODE: closing client/server socket (fd = %d).", local_fd); |
| 970 | map_delete_item_fd(local_fd); |
| 971 | map_delete_item_fd_server(local_fd); |
| 972 | FD_CLR(local_fd, &readfds); |
| 973 | Install_Handler(&readfds, &writefds, NULL, 0.0); |
| 974 | } |
| 975 | else |
| 976 | { // if OMIT is given then all sockets will be closed |
| 977 | log("NORMAL MODE: closing all sockets."); |
| 978 | for(int i=0;i<list_len;i++) map_delete_item(i); |
| 979 | for(int i=0;i<list_len_server;i++) map_delete_item_server(i); |
| 980 | FD_ZERO(&readfds); |
| 981 | FD_ZERO(&writefds); |
| 982 | Install_Handler(&readfds, &writefds, NULL, 0.0); // ??? |
| 983 | } |
| 984 | } |
| 985 | else |
| 986 | { |
| 987 | if (server_mode) |
| 988 | { // closing the given connection |
| 989 | if(send_par.client__id().ispresent()) |
| 990 | { |
| 991 | int local_fd = (int) (const INTEGER&) send_par.client__id(); |
| 992 | log("SERVER MODE: closing client socket (fd = %d).", local_fd); |
| 993 | map_delete_item_fd(local_fd); |
| 994 | FD_CLR(local_fd, &readfds); |
| 995 | Install_Handler(&readfds, NULL, NULL, 0.0); |
| 996 | } |
| 997 | else |
| 998 | { // if OMIT is given in server mode then all clients will be closed |
| 999 | log("SERVER MODE: closing all client sockets."); |
| 1000 | for(int i=0;i<list_len;i++) map_delete_item(i); |
| 1001 | FD_ZERO(&readfds); |
| 1002 | FD_SET(fd, &readfds); // leaving only the listening socket in the fdset |
| 1003 | Install_Handler(&readfds, NULL, NULL, 0.0); |
| 1004 | } |
| 1005 | } |
| 1006 | else |
| 1007 | { // closing the connection to the server |
| 1008 | if ( send_par.client__id().ispresent() ) |
| 1009 | error("In client mode the client_id field of ASP_SCTP_Close should be set to OMIT!"); |
| 1010 | log("CLIENT MODE: closing socket (fd = %d).", fd); |
| 1011 | map_delete_item_fd(fd); |
| 1012 | FD_CLR(fd, &readfds); |
| 1013 | fd=-1; |
| 1014 | Install_Handler(&readfds, NULL, NULL, 0.0); |
| 1015 | } |
| 1016 | } |
| 1017 | log("Leaving outgoing_send (ASP_SCTP_CLOSE)."); |
| 1018 | } |
| 1019 | |
| 1020 | |
| 1021 | void SCTPasp__PT_PROVIDER::outgoing_send(const SCTPasp__Types::ASP__SCTP& send_par) |
| 1022 | { |
| 1023 | log("Calling outgoing_send (ASP_SCTP)."); |
| 1024 | struct cmsghdr *cmsg; |
| 1025 | struct sctp_sndrcvinfo *sri; |
| 1026 | char cbuf[sizeof (*cmsg) + sizeof (*sri)]; |
| 1027 | struct msghdr msg; |
| 1028 | struct iovec iov; |
| 1029 | const unsigned char *buf; |
| 1030 | |
| 1031 | buf = (const unsigned char *)send_par.data(); |
| 1032 | iov.iov_len = send_par.data().lengthof(); |
| 1033 | |
| 1034 | memset(&msg, 0, sizeof (msg)); |
| 1035 | iov.iov_base = (char *)buf; |
| 1036 | msg.msg_iov = &iov; |
| 1037 | msg.msg_iovlen = 1; |
| 1038 | msg.msg_control = cbuf; |
| 1039 | msg.msg_controllen = sizeof (*cmsg) + sizeof (*sri); |
| 1040 | |
| 1041 | memset(cbuf, 0, sizeof (*cmsg) + sizeof (*sri)); |
| 1042 | cmsg = (struct cmsghdr *)cbuf; |
| 1043 | sri = (struct sctp_sndrcvinfo *)(cmsg + 1); |
| 1044 | |
| 1045 | cmsg->cmsg_len = sizeof (*cmsg) + sizeof (*sri); |
| 1046 | cmsg->cmsg_level = IPPROTO_SCTP; |
| 1047 | cmsg->cmsg_type = SCTP_SNDRCV; |
| 1048 | |
| 1049 | sri->sinfo_stream = (int) send_par.sinfo__stream(); |
| 1050 | |
| 1051 | int target; |
| 1052 | if(!simple_mode) |
| 1053 | { |
| 1054 | if (!send_par.client__id().ispresent()) |
| 1055 | error("In NORMAL mode the client_id field of ASP_SCTP should be set to a valid value and not to omit!"); |
| 1056 | target = (int) (const INTEGER&) send_par.client__id(); |
| 1057 | if ( (map_get_item(target)==-1) && (map_get_item_server(target)==-1)) error("Bad client id! %d",target); |
| 1058 | } |
| 1059 | else |
| 1060 | { |
| 1061 | if (server_mode) |
| 1062 | { |
| 1063 | if (!send_par.client__id().ispresent()) |
| 1064 | error("In server mode the client_id field of ASP_SCTP should be set to a valid value and not to omit!"); |
| 1065 | } |
| 1066 | else // client mode |
| 1067 | { |
| 1068 | if (send_par.client__id().ispresent()) |
| 1069 | error("In client mode the client_id field of ASP_SCTP should be set to OMIT!"); |
| 1070 | } |
| 1071 | target = fd; |
| 1072 | if (server_mode) |
| 1073 | target = (int) (const INTEGER&) send_par.client__id(); |
| 1074 | if (map_get_item(target)==-1) error("Bad client id! %d",target); |
| 1075 | } |
| 1076 | |
| 1077 | uint32_t ui; |
| 1078 | if (send_par.sinfo__ppid().get_val().is_native() && send_par.sinfo__ppid() > 0) |
| 1079 | ui = (int)send_par.sinfo__ppid(); |
| 1080 | else { |
| 1081 | OCTETSTRING os = int2oct(send_par.sinfo__ppid(), 4); |
| 1082 | unsigned char* p = (unsigned char*)&ui; |
| 1083 | *(p++) = os[3].get_octet(); |
| 1084 | *(p++) = os[2].get_octet(); |
| 1085 | *(p++) = os[1].get_octet(); |
| 1086 | *(p++) = os[0].get_octet(); |
| 1087 | } |
| 1088 | sri->sinfo_ppid = htonl(ui); |
| 1089 | |
| 1090 | log("Sending SCTP message to file descriptor %d.", target); |
| 1091 | if (sendmsg(target, &msg, 0) < 0) |
| 1092 | { |
| 1093 | SCTPasp__Types::ASP__SCTP__SENDMSG__ERROR asp_sctp_sendmsg_error; |
| 1094 | if (server_mode) asp_sctp_sendmsg_error.client__id() = target; |
| 1095 | else asp_sctp_sendmsg_error.client__id() = OMIT_VALUE; |
| 1096 | asp_sctp_sendmsg_error.sinfo__stream() = send_par.sinfo__stream(); |
| 1097 | asp_sctp_sendmsg_error.sinfo__ppid() = send_par.sinfo__ppid(); |
| 1098 | asp_sctp_sendmsg_error.data() = send_par.data(); |
| 1099 | incoming_message(asp_sctp_sendmsg_error); |
| 1100 | TTCN_warning("Sendmsg error! Strerror=%s", strerror(errno)); |
| 1101 | |
| 1102 | errno = 0; |
| 1103 | } |
| 1104 | log("Leaving outgoing_send (ASP_SCTP)."); |
| 1105 | } |
| 1106 | |
| 1107 | |
| 1108 | SCTPasp__PT_PROVIDER::return_value_t SCTPasp__PT_PROVIDER::getmsg(int fd, struct msghdr *msg) |
| 1109 | { |
| 1110 | log("Calling getmsg()."); |
| 1111 | int index = map_get_item(fd); |
| 1112 | if ( !fd_map[index].processing_message ) fd_map[index].nr = 0; |
| 1113 | |
| 1114 | ssize_t value = recvmsg(fd, msg, 0); |
| 1115 | if (value <= 0) // EOF or error |
| 1116 | { |
| 1117 | log("Leaving getmsg(): EOF or error."); |
| 1118 | errno = 0; |
| 1119 | return EOF_OR_ERROR; |
| 1120 | } |
| 1121 | fd_map[index].nr += value; |
| 1122 | log("getmsg(): [%d] bytes received. Receiving buffer now has [%d] bytes.", value, fd_map[index].nr); |
| 1123 | // Whole message is received, return it. |
| 1124 | if (msg->msg_flags & MSG_EOR) |
| 1125 | { |
| 1126 | log("Leaving getmsg(): whole message is received."); |
| 1127 | return WHOLE_MESSAGE_RECEIVED; |
| 1128 | } |
| 1129 | |
| 1130 | // Maybe we need a bigger buffer, do realloc(). |
| 1131 | if (fd_map[index].buflen == fd_map[index].nr) |
| 1132 | { |
| 1133 | log("getmsg(): resizing receiving buffer: [%d] bytes -> [%d] bytes", |
| 1134 | fd_map[index].buflen, (fd_map[index].buflen * 2)); |
| 1135 | fd_map[index].buf = Realloc(fd_map[index].buf, fd_map[index].buflen * 2); |
| 1136 | fd_map[index].buflen *= 2; |
| 1137 | } |
| 1138 | log("Leaving getmsg(): part of the message is received."); |
| 1139 | return PARTIAL_RECEIVE; |
| 1140 | } |
| 1141 | |
| 1142 | |
| 1143 | void SCTPasp__PT_PROVIDER::handle_event(void *buf) |
| 1144 | { |
| 1145 | union sctp_notification *snp; |
| 1146 | snp = (sctp_notification *)buf; |
| 1147 | switch (snp->sn_header.sn_type) |
| 1148 | { |
| 1149 | case SCTP_ASSOC_CHANGE: |
| 1150 | { |
| 1151 | log("incoming SCTP_ASSOC_CHANGE event."); |
| 1152 | struct sctp_assoc_change *sac; |
| 1153 | sac = &snp->sn_assoc_change; |
| 1154 | |
| 1155 | // #ifdef LKSCTP_1_0_7 |
| 1156 | SCTPasp__Types::SAC__STATE sac_state_ttcn; |
| 1157 | switch(sac->sac_state) |
| 1158 | { |
| 1159 | case SCTP_COMM_UP: |
| 1160 | sac_state_ttcn = SCTPasp__Types::SAC__STATE::SCTP__COMM__UP; |
| 1161 | break; |
| 1162 | |
| 1163 | case SCTP_COMM_LOST: |
| 1164 | sac_state_ttcn = SCTPasp__Types::SAC__STATE::SCTP__COMM__LOST; |
| 1165 | break; |
| 1166 | |
| 1167 | case SCTP_RESTART: |
| 1168 | sac_state_ttcn = SCTPasp__Types::SAC__STATE::SCTP__RESTART; |
| 1169 | break; |
| 1170 | |
| 1171 | case SCTP_SHUTDOWN_COMP: |
| 1172 | sac_state_ttcn = SCTPasp__Types::SAC__STATE::SCTP__SHUTDOWN__COMP; |
| 1173 | break; |
| 1174 | |
| 1175 | case SCTP_CANT_STR_ASSOC: |
| 1176 | sac_state_ttcn = SCTPasp__Types::SAC__STATE::SCTP__CANT__STR__ASSOC; |
| 1177 | break; |
| 1178 | |
| 1179 | default: |
| 1180 | sac_state_ttcn = SCTPasp__Types::SAC__STATE::SCTP__UNKNOWN__SAC__STATE; |
| 1181 | TTCN_warning("Unexpected sac_state value received %d", sac->sac_state); |
| 1182 | break; |
| 1183 | } |
| 1184 | // #endif |
| 1185 | |
| 1186 | if(sac->sac_state == SCTP_COMM_LOST) |
| 1187 | { |
| 1188 | if(simple_mode) |
| 1189 | { |
| 1190 | if (!server_mode) fd = -1; // setting closed socket to -1 in client mode (and reconnect mode) |
| 1191 | FD_CLR(receiving_fd, &readfds); |
| 1192 | Install_Handler(&readfds, NULL, NULL, 0.0); |
| 1193 | map_delete_item_fd(receiving_fd); |
| 1194 | } |
| 1195 | else |
| 1196 | { |
| 1197 | FD_CLR(receiving_fd, &readfds); |
| 1198 | Install_Handler(&readfds, NULL, NULL, 0.0); |
| 1199 | map_delete_item_fd(receiving_fd); |
| 1200 | map_delete_item_fd_server(receiving_fd); |
| 1201 | } |
| 1202 | } |
| 1203 | if (events.sctp_association_event) incoming_message(SCTPasp__Types::ASP__SCTP__ASSOC__CHANGE( |
| 1204 | INTEGER(receiving_fd), |
| 1205 | sac_state_ttcn |
| 1206 | )); |
| 1207 | |
| 1208 | if(simple_mode) |
| 1209 | { |
| 1210 | if (reconnect && (sac->sac_state == SCTP_COMM_LOST) ) forced_reconnect(reconnect_max_attempts); |
| 1211 | } |
| 1212 | break; |
| 1213 | } |
| 1214 | case SCTP_PEER_ADDR_CHANGE:{ |
| 1215 | log("incoming SCTP_PEER_ADDR_CHANGE event."); |
| 1216 | struct sctp_paddr_change *spc; |
| 1217 | spc = &snp->sn_paddr_change; |
| 1218 | // #ifdef LKSCTP_1_0_7 |
| 1219 | SCTPasp__Types::SPC__STATE spc_state_ttcn; |
| 1220 | switch(spc->spc_state) |
| 1221 | { |
| 1222 | case SCTP_ADDR_AVAILABLE: |
| 1223 | spc_state_ttcn = SCTPasp__Types::SPC__STATE::SCTP__ADDR__AVAILABLE; |
| 1224 | break; |
| 1225 | |
| 1226 | case SCTP_ADDR_UNREACHABLE: |
| 1227 | spc_state_ttcn = SCTPasp__Types::SPC__STATE::SCTP__ADDR__UNREACHABLE; |
| 1228 | break; |
| 1229 | |
| 1230 | case SCTP_ADDR_REMOVED: |
| 1231 | spc_state_ttcn = SCTPasp__Types::SPC__STATE::SCTP__ADDR__REMOVED; |
| 1232 | break; |
| 1233 | |
| 1234 | case SCTP_ADDR_ADDED: |
| 1235 | spc_state_ttcn = SCTPasp__Types::SPC__STATE::SCTP__ADDR__ADDED; |
| 1236 | break; |
| 1237 | |
| 1238 | case SCTP_ADDR_MADE_PRIM: |
| 1239 | spc_state_ttcn = SCTPasp__Types::SPC__STATE::SCTP__ADDR__MADE__PRIM; |
| 1240 | break; |
| 1241 | #if defined(LKSCTP_1_0_7) || defined(LKSCTP_1_0_9) |
| 1242 | case SCTP_ADDR_CONFIRMED: |
| 1243 | spc_state_ttcn = SCTPasp__Types::SPC__STATE::SCTP__ADDR__CONFIRMED; |
| 1244 | break; |
| 1245 | #endif |
| 1246 | default: |
| 1247 | spc_state_ttcn = SCTPasp__Types::SPC__STATE::SCTP__UNKNOWN__SPC__STATE; |
| 1248 | TTCN_warning("Unexpected spc_state value received %d", spc->spc_state); |
| 1249 | break; |
| 1250 | } |
| 1251 | // #endif |
| 1252 | if (events.sctp_address_event) incoming_message(SCTPasp__Types::ASP__SCTP__PEER__ADDR__CHANGE( |
| 1253 | INTEGER(receiving_fd), |
| 1254 | spc_state_ttcn |
| 1255 | )); |
| 1256 | break; |
| 1257 | } |
| 1258 | case SCTP_REMOTE_ERROR: |
| 1259 | log("incoming SCTP_REMOTE_ERROR event."); |
| 1260 | //struct sctp_remote_error *sre; |
| 1261 | //sre = &snp->sn_remote_error; |
| 1262 | if (events.sctp_peer_error_event) incoming_message(SCTPasp__Types::ASP__SCTP__REMOTE__ERROR(INTEGER(receiving_fd))); |
| 1263 | break; |
| 1264 | case SCTP_SEND_FAILED: |
| 1265 | log("incoming SCTP_SEND_FAILED event."); |
| 1266 | //struct sctp_send_failed *ssf; |
| 1267 | //ssf = &snp->sn_send_failed; |
| 1268 | if (events.sctp_send_failure_event) incoming_message(SCTPasp__Types::ASP__SCTP__SEND__FAILED(INTEGER(receiving_fd))); |
| 1269 | break; |
| 1270 | case SCTP_SHUTDOWN_EVENT: |
| 1271 | log("incoming SCTP_SHUTDOWN_EVENT event."); |
| 1272 | //struct sctp_shutdown_event *sse; |
| 1273 | //sse = &snp->sn_shutdown_event; |
| 1274 | if (events.sctp_shutdown_event) incoming_message(SCTPasp__Types::ASP__SCTP__SHUTDOWN__EVENT(INTEGER(receiving_fd))); |
| 1275 | break; |
| 1276 | #if defined(LKSCTP_1_0_7) || defined(LKSCTP_1_0_9) |
| 1277 | case SCTP_ADAPTATION_INDICATION: |
| 1278 | log("incoming SCTP_ADAPTION_INDICATION event."); |
| 1279 | //struct sctp_adaptation_event *sai; |
| 1280 | //sai = &snp->sn_adaptation_event; |
| 1281 | if (events.sctp_adaptation_layer_event) incoming_message(SCTPasp__Types::ASP__SCTP__ADAPTION__INDICATION(INTEGER(receiving_fd))); |
| 1282 | break; |
| 1283 | #else |
| 1284 | case SCTP_ADAPTION_INDICATION: |
| 1285 | log("incoming SCTP_ADAPTION_INDICATION event."); |
| 1286 | //struct sctp_adaption_event *sai; |
| 1287 | //sai = &snp->sn_adaption_event; |
| 1288 | if (events.sctp_adaption_layer_event) incoming_message(SCTPasp__Types::ASP__SCTP__ADAPTION__INDICATION(INTEGER(receiving_fd))); |
| 1289 | break; |
| 1290 | #endif |
| 1291 | case SCTP_PARTIAL_DELIVERY_EVENT: |
| 1292 | log("incoming SCTP_PARTIAL_DELIVERY_EVENT event."); |
| 1293 | //struct sctp_pdapi_event *pdapi; |
| 1294 | //pdapi = &snp->sn_pdapi_event; |
| 1295 | if (events.sctp_partial_delivery_event) incoming_message(SCTPasp__Types::ASP__SCTP__PARTIAL__DELIVERY__EVENT(INTEGER(receiving_fd))); |
| 1296 | break; |
| 1297 | default: |
| 1298 | TTCN_warning("Unknown notification type!"); |
| 1299 | break; |
| 1300 | } |
| 1301 | } |
| 1302 | |
| 1303 | |
| 1304 | void SCTPasp__PT_PROVIDER::log(const char *fmt, ...) |
| 1305 | { |
| 1306 | if(debug) |
| 1307 | { |
| 1308 | va_list ap; |
| 1309 | va_start(ap, fmt); |
| 1310 | TTCN_Logger::begin_event(TTCN_DEBUG); |
| 1311 | TTCN_Logger::log_event("SCTPasp Test Port (%s): ", get_name()); |
| 1312 | TTCN_Logger::log_event_va_list(fmt, ap); |
| 1313 | TTCN_Logger::end_event(); |
| 1314 | va_end(ap); |
| 1315 | |
| 1316 | } |
| 1317 | } |
| 1318 | |
| 1319 | |
| 1320 | void SCTPasp__PT_PROVIDER::error(const char *fmt, ...) |
| 1321 | { |
| 1322 | va_list ap; |
| 1323 | va_start(ap, fmt); |
| 1324 | TTCN_Logger::begin_event(TTCN_ERROR); |
| 1325 | TTCN_Logger::log_event("SCTPasp Test Port (%s): ", get_name()); |
| 1326 | TTCN_Logger::log_event_va_list(fmt, ap); |
| 1327 | TTCN_Logger::end_event(); |
| 1328 | va_end(ap); |
| 1329 | TTCN_error("Fatal error in SCTPasp Test Port %s (see above).", get_name()); |
| 1330 | } |
| 1331 | |
| 1332 | |
| 1333 | void SCTPasp__PT_PROVIDER::forced_reconnect(int attempts) |
| 1334 | { |
| 1335 | struct sockaddr_in sin; |
| 1336 | sin.sin_family = AF_INET; |
| 1337 | sin.sin_port = htons(peer_port); |
| 1338 | sin.sin_addr.s_addr = peer_IP_address.s_addr; |
| 1339 | log("[reconnect] Connecting to (%s):(%d)", inet_ntoa(peer_IP_address), peer_port); |
| 1340 | unsigned int sleep_interval = 1; |
| 1341 | int i; |
| 1342 | for(i = 0; i < attempts; i++) |
| 1343 | { |
| 1344 | create_socket(); |
| 1345 | if (connect(fd, (struct sockaddr *)&sin, sizeof (sin)) == -1) |
| 1346 | { |
| 1347 | close(fd); |
| 1348 | fd = -1; |
| 1349 | TTCN_warning("Connect error!"); |
| 1350 | errno = 0; |
| 1351 | if( ((i % 2 ) == 0) && (i != 0)) sleep_interval *= 2; |
| 1352 | sleep(sleep_interval); |
| 1353 | |
| 1354 | } |
| 1355 | else |
| 1356 | { |
| 1357 | map_put_item(fd); |
| 1358 | setNonBlocking(fd); |
| 1359 | FD_SET(fd, &readfds); |
| 1360 | Install_Handler(&readfds, NULL, NULL, 0.0); |
| 1361 | log("[reconnect] Connection successfully established to (%s):(%d)", inet_ntoa(peer_IP_address), peer_port); |
| 1362 | break; |
| 1363 | } |
| 1364 | } |
| 1365 | if (i == attempts) error("Forced reconnect failed! Remote end is unreachable!"); |
| 1366 | |
| 1367 | } |
| 1368 | |
| 1369 | |
| 1370 | void SCTPasp__PT_PROVIDER::map_put_item(int fd) |
| 1371 | { |
| 1372 | int i=0; |
| 1373 | while((i<list_len) && !fd_map[i].erased) i++; // searching for the free item |
| 1374 | if(i==list_len) |
| 1375 | { // list is full add new elemnts |
| 1376 | list_len+=MAP_LENGTH; |
| 1377 | fd_map=(fd_map_item *)Realloc(fd_map,(list_len)*sizeof(fd_map_item)); |
| 1378 | for(int k=i;k<list_len;k++) |
| 1379 | { // init new elements |
| 1380 | fd_map[k].fd=-1; |
| 1381 | fd_map[k].erased=TRUE; |
| 1382 | fd_map[k].einprogress=FALSE; |
| 1383 | fd_map[k].buf=NULL; |
| 1384 | fd_map[k].buflen=0; |
| 1385 | fd_map[k].processing_message=FALSE; |
| 1386 | fd_map[k].nr=0; |
| 1387 | fd_map[k].sin.sin_family=AF_INET; |
| 1388 | fd_map[k].sin.sin_port=0; |
| 1389 | fd_map[k].sin.sin_addr.s_addr=0; |
| 1390 | } |
| 1391 | } |
| 1392 | fd_map[i].fd=fd; // adding new connection |
| 1393 | fd_map[i].erased=FALSE; |
| 1394 | } |
| 1395 | |
| 1396 | |
| 1397 | int SCTPasp__PT_PROVIDER::map_get_item(int fd) |
| 1398 | { |
| 1399 | for(int i = 0; i < list_len; i++) |
| 1400 | if( !(fd_map[i].erased) && (fd_map[i].fd == fd) ) return i; |
| 1401 | return(-1); |
| 1402 | } |
| 1403 | |
| 1404 | |
| 1405 | void SCTPasp__PT_PROVIDER::map_delete_item_fd(int fd) |
| 1406 | { |
| 1407 | if(fd!=-1) |
| 1408 | for(int i = 0; i < list_len; i++) |
| 1409 | if( fd_map[i].fd == fd ) |
| 1410 | { |
| 1411 | map_delete_item(i); |
| 1412 | break; |
| 1413 | } |
| 1414 | } |
| 1415 | |
| 1416 | |
| 1417 | void SCTPasp__PT_PROVIDER::map_delete_item(int index) |
| 1418 | { |
| 1419 | if((index>=list_len) || (index<0)) error("map_delete_item: index out of range (0-%d): %d",list_len-1,index); |
| 1420 | |
| 1421 | if(fd_map[index].fd!=-1) close(fd_map[index].fd); |
| 1422 | fd_map[index].fd=-1; |
| 1423 | fd_map[index].erased=TRUE; |
| 1424 | fd_map[index].einprogress=FALSE; |
| 1425 | if(fd_map[index].buf) Free(fd_map[index].buf); |
| 1426 | fd_map[index].buf=NULL; |
| 1427 | fd_map[index].buflen=0; |
| 1428 | fd_map[index].processing_message=FALSE; |
| 1429 | fd_map[index].nr=0; |
| 1430 | fd_map[index].sin.sin_family=AF_INET; |
| 1431 | fd_map[index].sin.sin_port=0; |
| 1432 | fd_map[index].sin.sin_addr.s_addr=0; |
| 1433 | } |
| 1434 | |
| 1435 | |
| 1436 | void SCTPasp__PT_PROVIDER::map_put_item_server(int fd, struct in_addr local_IP_address, unsigned short local_port) |
| 1437 | { |
| 1438 | int i=0; |
| 1439 | while((i<list_len_server) && !fd_map_server[i].erased) i++; // searching for the free item |
| 1440 | if(i==list_len_server) |
| 1441 | { // list is full add new elemnts |
| 1442 | list_len_server+=MAP_LENGTH; |
| 1443 | fd_map_server=(fd_map_server_item *)Realloc(fd_map_server,(list_len_server)*sizeof(fd_map_server_item)); |
| 1444 | for(int k=i;k<list_len_server;k++) |
| 1445 | { // init new elements |
| 1446 | fd_map_server[k].fd=-1; |
| 1447 | fd_map_server[k].erased=TRUE; |
| 1448 | fd_map_server[k].local_IP_address.s_addr = INADDR_ANY; |
| 1449 | fd_map_server[k].local_port = 0; |
| 1450 | } |
| 1451 | } |
| 1452 | fd_map_server[i].fd=fd; // adding new connection |
| 1453 | fd_map_server[i].erased=FALSE; |
| 1454 | fd_map_server[i].local_IP_address = local_IP_address; |
| 1455 | fd_map_server[i].local_port = local_port; |
| 1456 | |
| 1457 | } |
| 1458 | |
| 1459 | |
| 1460 | int SCTPasp__PT_PROVIDER::map_get_item_server(int fd) |
| 1461 | { |
| 1462 | for(int i = 0; i < list_len_server; i++) |
| 1463 | if( !(fd_map_server[i].erased) && (fd_map_server[i].fd == fd) ) return i; |
| 1464 | return(-1); |
| 1465 | } |
| 1466 | |
| 1467 | |
| 1468 | void SCTPasp__PT_PROVIDER::map_delete_item_fd_server(int fd) |
| 1469 | { |
| 1470 | if(fd!=-1) |
| 1471 | for(int i = 0; i < list_len_server; i++) |
| 1472 | if( fd_map_server[i].fd == fd ) |
| 1473 | { |
| 1474 | map_delete_item_server(i); |
| 1475 | break; |
| 1476 | } |
| 1477 | } |
| 1478 | |
| 1479 | |
| 1480 | void SCTPasp__PT_PROVIDER::map_delete_item_server(int index) |
| 1481 | { |
| 1482 | if((index>=list_len_server) || (index<0)) error("map_delete_item: index out of range (0-%d): %d",list_len_server-1,index); |
| 1483 | |
| 1484 | if(fd_map_server[index].fd!=-1) close(fd_map_server[index].fd); |
| 1485 | fd_map_server[index].fd=-1; |
| 1486 | fd_map_server[index].erased=TRUE; |
| 1487 | fd_map_server[index].local_IP_address.s_addr = INADDR_ANY; |
| 1488 | fd_map_server[index].local_port = 0; |
| 1489 | } |
| 1490 | |
| 1491 | |
| 1492 | void SCTPasp__PT_PROVIDER::create_socket() |
| 1493 | { |
| 1494 | struct sockaddr_in sin; |
| 1495 | |
| 1496 | log("Creating SCTP socket."); |
| 1497 | if ((fd = socket(AF_INET, SOCK_STREAM, IPPROTO_SCTP)) == -1) |
| 1498 | error("Socket error: cannot create socket!"); |
| 1499 | |
| 1500 | if ( local_port_is_present ) { |
| 1501 | sin.sin_family = AF_INET; |
| 1502 | sin.sin_port = htons(local_port); |
| 1503 | sin.sin_addr.s_addr = local_IP_address.s_addr; |
| 1504 | log("Binding SCTP socket: bind address (%s):(%d)", |
| 1505 | inet_ntoa(local_IP_address),local_port); |
| 1506 | if (bind(fd, (struct sockaddr *)&sin, sizeof (sin)) == -1) |
| 1507 | { |
| 1508 | close(fd); |
| 1509 | fd = -1; |
| 1510 | error("Bind error!"); |
| 1511 | } |
| 1512 | } |
| 1513 | |
| 1514 | log("Setting SCTP socket options (initmsg)."); |
| 1515 | if (setsockopt(fd, IPPROTO_SCTP, SCTP_INITMSG, &initmsg, |
| 1516 | sizeof(struct sctp_initmsg)) < 0) |
| 1517 | { |
| 1518 | TTCN_warning("Setsockopt error!"); |
| 1519 | errno = 0; |
| 1520 | } |
| 1521 | |
| 1522 | log("Setting SCTP socket options (events)."); |
| 1523 | if (setsockopt(fd, IPPROTO_SCTP, SCTP_EVENTS, &events, sizeof (events)) < 0) |
| 1524 | { |
| 1525 | TTCN_warning("Setsockopt error!"); |
| 1526 | errno = 0; |
| 1527 | } |
| 1528 | } |
| 1529 | |
| 1530 | |
| 1531 | in_addr SCTPasp__PT_PROVIDER::get_in_addr(const char *hostname) |
| 1532 | { |
| 1533 | struct hostent *h; |
| 1534 | if ((h=gethostbyname(hostname)) == NULL) |
| 1535 | error("Gethostbyname error!"); |
| 1536 | if(h->h_addr == NULL) error("Gethostbyname error! h->h_addr is NULL!"); |
| 1537 | return *((struct in_addr *)h->h_addr); |
| 1538 | } |
| 1539 | |
| 1540 | void SCTPasp__PT_PROVIDER::setNonBlocking(int fd) |
| 1541 | { |
| 1542 | int flags = fcntl(fd, F_GETFL); |
| 1543 | flags |= O_NONBLOCK; |
| 1544 | int result = fcntl(fd, F_SETFL, flags); |
| 1545 | if (result==-1) error("SCTPasp__PT::setNonBlocking(): Fcntl() error!"); |
| 1546 | } |
| 1547 | |
| 1548 | |
| 1549 | } |