| 1 | /* ------------------------------------------------------------------------- |
| 2 | * Project: GSocket (Generic Socket) for WX |
| 3 | * Name: gsocket.c |
| 4 | * Purpose: GSocket main Unix-style file |
| 5 | * CVSID: $Id$ |
| 6 | * ------------------------------------------------------------------------- |
| 7 | */ |
| 8 | |
| 9 | #include "wx/setup.h" |
| 10 | #ifndef __EMX__ |
| 11 | /* I don't see, why this include is needed, but it seems to be necessary |
| 12 | sometimes. For EMX, including C++ headers into plain C source breaks |
| 13 | compilation, so don't do it there. */ |
| 14 | #include "wx/defs.h" |
| 15 | #endif |
| 16 | |
| 17 | #if wxUSE_SOCKETS |
| 18 | |
| 19 | #define BSD_SELECT /* use Berkley Sockets select */ |
| 20 | |
| 21 | #include <assert.h> |
| 22 | #include <sys\types.h> |
| 23 | #ifdef __EMX__ |
| 24 | #include <sys/time.h> |
| 25 | #include <netinet/in.h> |
| 26 | #include <arpa/inet.h> |
| 27 | #include <netdb.h> |
| 28 | #include <errno.h> |
| 29 | #define HAVE_INET_ADDR |
| 30 | #else |
| 31 | #include <utils.h> |
| 32 | #include <sys\time.h> |
| 33 | #include <in.h> |
| 34 | #include <netdb.h> |
| 35 | #include <nerrno.h> |
| 36 | #endif |
| 37 | #if defined(__VISAGECPP__) && __IBMCPP__ < 400 |
| 38 | #include <socket.h> |
| 39 | #include <ioctl.h> |
| 40 | #include <select.h> |
| 41 | #else |
| 42 | #include <sys\socket.h> |
| 43 | #include <sys\ioctl.h> |
| 44 | #include <sys\select.h> |
| 45 | #ifdef __EMX__ |
| 46 | #define soclose(a) close(a) |
| 47 | #else |
| 48 | #define select(a,b,c,d,e) bsdselect(a,b,c,d,e) |
| 49 | int _System bsdselect(int, |
| 50 | struct fd_set *, |
| 51 | struct fd_set *, |
| 52 | struct fd_set *, |
| 53 | struct timeval *); |
| 54 | int _System soclose(int); |
| 55 | #endif |
| 56 | #endif |
| 57 | |
| 58 | #include <string.h> |
| 59 | #include <stdio.h> |
| 60 | #include <stdlib.h> |
| 61 | #include <stddef.h> |
| 62 | #include <ctype.h> |
| 63 | |
| 64 | #include <signal.h> |
| 65 | |
| 66 | #include "wx/gsocket.h" |
| 67 | #include "wx/os2/gsockos2.h" |
| 68 | |
| 69 | #ifndef SOCKLEN_T |
| 70 | |
| 71 | #ifdef __GLIBC__ |
| 72 | # if __GLIBC__ == 2 |
| 73 | # define SOCKLEN_T socklen_t |
| 74 | # endif |
| 75 | #else |
| 76 | # define SOCKLEN_T int |
| 77 | #endif |
| 78 | |
| 79 | #endif |
| 80 | |
| 81 | /* Global initialisers */ |
| 82 | |
| 83 | int GSocket_Init() |
| 84 | { |
| 85 | return 1; |
| 86 | } |
| 87 | |
| 88 | void GSocket_Cleanup() |
| 89 | { |
| 90 | } |
| 91 | |
| 92 | /* Constructors / Destructors */ |
| 93 | |
| 94 | GSocket *GSocket_new() |
| 95 | { |
| 96 | int i; |
| 97 | GSocket *socket; |
| 98 | |
| 99 | socket = (GSocket *)malloc(sizeof(GSocket)); |
| 100 | |
| 101 | if (socket == NULL) |
| 102 | return NULL; |
| 103 | |
| 104 | socket->m_fd = -1; |
| 105 | for (i=0;i<GSOCK_MAX_EVENT;i++) |
| 106 | { |
| 107 | socket->m_cbacks[i] = NULL; |
| 108 | } |
| 109 | socket->m_detected = 0; |
| 110 | socket->m_local = NULL; |
| 111 | socket->m_peer = NULL; |
| 112 | socket->m_error = GSOCK_NOERROR; |
| 113 | socket->m_server = 0; |
| 114 | socket->m_stream = 1; |
| 115 | socket->m_gui_dependent = NULL; |
| 116 | socket->m_non_blocking = 0; |
| 117 | socket->m_timeout = 10*60*1000; |
| 118 | /* 10 minutes * 60 sec * 1000 millisec */ |
| 119 | socket->m_establishing = 0; |
| 120 | |
| 121 | return socket; |
| 122 | } |
| 123 | |
| 124 | void GSocket_destroy(GSocket *socket) |
| 125 | { |
| 126 | assert(socket != NULL); |
| 127 | |
| 128 | /* First, we check that the socket is really shutdowned */ |
| 129 | if (socket->m_fd != -1) |
| 130 | GSocket_Shutdown(socket); |
| 131 | |
| 132 | /* We destroy private addresses */ |
| 133 | if (socket->m_local) |
| 134 | GAddress_destroy(socket->m_local); |
| 135 | |
| 136 | if (socket->m_peer) |
| 137 | GAddress_destroy(socket->m_peer); |
| 138 | |
| 139 | /* We destroy socket itself */ |
| 140 | free(socket); |
| 141 | } |
| 142 | |
| 143 | void GSocket_Shutdown(GSocket *socket) |
| 144 | { |
| 145 | int evt; |
| 146 | |
| 147 | assert(socket != NULL); |
| 148 | |
| 149 | /* If socket has been created, we shutdown it */ |
| 150 | if (socket->m_fd != -1) |
| 151 | { |
| 152 | shutdown(socket->m_fd, 2); |
| 153 | soclose(socket->m_fd); |
| 154 | socket->m_fd = -1; |
| 155 | } |
| 156 | |
| 157 | /* We also disable GUI callbacks */ |
| 158 | for (evt = 0; evt < GSOCK_MAX_EVENT; evt++) |
| 159 | socket->m_cbacks[evt] = NULL; |
| 160 | |
| 161 | socket->m_detected = 0; |
| 162 | (socket); |
| 163 | } |
| 164 | |
| 165 | /* Address handling */ |
| 166 | |
| 167 | GSocketError GSocket_SetLocal(GSocket *socket, GAddress *address) |
| 168 | { |
| 169 | assert(socket != NULL); |
| 170 | |
| 171 | if ((socket->m_fd != -1 && !socket->m_server)) { |
| 172 | socket->m_error = GSOCK_INVSOCK; |
| 173 | return GSOCK_INVSOCK; |
| 174 | } |
| 175 | |
| 176 | if (address == NULL || address->m_family == GSOCK_NOFAMILY) { |
| 177 | socket->m_error = GSOCK_INVADDR; |
| 178 | return GSOCK_INVADDR; |
| 179 | } |
| 180 | |
| 181 | if (socket->m_local) |
| 182 | GAddress_destroy(socket->m_local); |
| 183 | |
| 184 | socket->m_local = GAddress_copy(address); |
| 185 | |
| 186 | return GSOCK_NOERROR; |
| 187 | } |
| 188 | |
| 189 | GSocketError GSocket_SetPeer(GSocket *socket, GAddress *address) |
| 190 | { |
| 191 | assert(socket != NULL); |
| 192 | |
| 193 | if (address == NULL || address->m_family == GSOCK_NOFAMILY) { |
| 194 | socket->m_error = GSOCK_INVADDR; |
| 195 | return GSOCK_INVADDR; |
| 196 | } |
| 197 | |
| 198 | if (socket->m_peer) |
| 199 | GAddress_destroy(socket->m_peer); |
| 200 | |
| 201 | socket->m_peer = GAddress_copy(address); |
| 202 | |
| 203 | return GSOCK_NOERROR; |
| 204 | } |
| 205 | |
| 206 | GAddress *GSocket_GetLocal(GSocket *socket) |
| 207 | { |
| 208 | GAddress *address; |
| 209 | struct sockaddr addr; |
| 210 | SOCKLEN_T size; |
| 211 | GSocketError err; |
| 212 | |
| 213 | assert(socket != NULL); |
| 214 | |
| 215 | if (socket->m_local) |
| 216 | return GAddress_copy(socket->m_local); |
| 217 | |
| 218 | if (socket->m_fd == -1) { |
| 219 | socket->m_error = GSOCK_INVSOCK; |
| 220 | return NULL; |
| 221 | } |
| 222 | |
| 223 | size = sizeof(addr); |
| 224 | |
| 225 | if (getsockname(socket->m_fd, &addr, &size) < 0) { |
| 226 | socket->m_error = GSOCK_IOERR; |
| 227 | return NULL; |
| 228 | } |
| 229 | |
| 230 | address = GAddress_new(); |
| 231 | if (address == NULL) { |
| 232 | socket->m_error = GSOCK_MEMERR; |
| 233 | return NULL; |
| 234 | } |
| 235 | socket->m_error = _GAddress_translate_from(address, &addr, size); |
| 236 | if (socket->m_error != GSOCK_NOERROR) { |
| 237 | GAddress_destroy(address); |
| 238 | return NULL; |
| 239 | } |
| 240 | |
| 241 | return address; |
| 242 | } |
| 243 | |
| 244 | GAddress *GSocket_GetPeer(GSocket *socket) |
| 245 | { |
| 246 | assert(socket != NULL); |
| 247 | |
| 248 | if (socket->m_peer) |
| 249 | return GAddress_copy(socket->m_peer); |
| 250 | |
| 251 | return NULL; |
| 252 | } |
| 253 | |
| 254 | /* Server specific parts */ |
| 255 | |
| 256 | /* GSocket_SetServer: |
| 257 | * Sets up the socket as a server. It uses the "Local" field of GSocket. |
| 258 | * "Local" must be set by GSocket_SetLocal() before GSocket_SetServer() |
| 259 | * is called. Possible error codes are: GSOCK_INVSOCK if socket has not |
| 260 | * been initialized, GSOCK_INVADDR if the local address has not been |
| 261 | * defined and GSOCK_IOERR for other internal errors. |
| 262 | */ |
| 263 | GSocketError GSocket_SetServer(GSocket *sck) |
| 264 | { |
| 265 | int type; |
| 266 | int arg = 1; |
| 267 | |
| 268 | assert(sck != NULL); |
| 269 | |
| 270 | if (sck->m_fd != -1) { |
| 271 | sck->m_error = GSOCK_INVSOCK; |
| 272 | return GSOCK_INVSOCK; |
| 273 | } |
| 274 | |
| 275 | if (!sck->m_local) { |
| 276 | sck->m_error = GSOCK_INVADDR; |
| 277 | return GSOCK_INVADDR; |
| 278 | } |
| 279 | |
| 280 | /* We always have a stream here */ |
| 281 | sck->m_stream = 1; |
| 282 | sck->m_server = 1; |
| 283 | |
| 284 | /* Create the socket */ |
| 285 | sck->m_fd = socket(sck->m_local->m_realfamily, SOCK_STREAM, 0); |
| 286 | |
| 287 | if (sck->m_fd == -1) { |
| 288 | sck->m_error = GSOCK_IOERR; |
| 289 | return GSOCK_IOERR; |
| 290 | } |
| 291 | |
| 292 | ioctl(sck->m_fd, FIONBIO, (char*)&arg, sizeof(int)); |
| 293 | |
| 294 | /* Bind the socket to the LOCAL address */ |
| 295 | if (bind(sck->m_fd, sck->m_local->m_addr, sck->m_local->m_len) < 0) { |
| 296 | soclose(sck->m_fd); |
| 297 | sck->m_fd = -1; |
| 298 | sck->m_error = GSOCK_IOERR; |
| 299 | return GSOCK_IOERR; |
| 300 | } |
| 301 | |
| 302 | /* Enable listening up to 5 connections */ |
| 303 | if (listen(sck->m_fd, 5) < 0) { |
| 304 | soclose(sck->m_fd); |
| 305 | sck->m_fd = -1; |
| 306 | sck->m_error = GSOCK_IOERR; |
| 307 | return GSOCK_IOERR; |
| 308 | } |
| 309 | |
| 310 | return GSOCK_NOERROR; |
| 311 | } |
| 312 | |
| 313 | /* GSocket_WaitConnection: |
| 314 | * Waits for an incoming client connection. |
| 315 | */ |
| 316 | GSocket *GSocket_WaitConnection(GSocket *socket) |
| 317 | { |
| 318 | GSocket *connection; |
| 319 | int arg = 1; |
| 320 | |
| 321 | assert(socket != NULL); |
| 322 | |
| 323 | /* Reenable CONNECTION events */ |
| 324 | _GSocket_Enable(socket, GSOCK_CONNECTION); |
| 325 | |
| 326 | /* If the socket has already been created, we exit immediately */ |
| 327 | if (socket->m_fd == -1 || !socket->m_server) |
| 328 | { |
| 329 | socket->m_error = GSOCK_INVSOCK; |
| 330 | return NULL; |
| 331 | } |
| 332 | |
| 333 | /* Create a GSocket object for the new connection */ |
| 334 | connection = GSocket_new(); |
| 335 | if (!connection) |
| 336 | { |
| 337 | connection->m_error = GSOCK_MEMERR; |
| 338 | return NULL; |
| 339 | } |
| 340 | |
| 341 | /* Accept the incoming connection */ |
| 342 | if (_GSocket_Input_Timeout(socket) == GSOCK_TIMEDOUT) |
| 343 | { |
| 344 | GSocket_destroy(connection); |
| 345 | /* socket->m_error set by _GSocket_Input_Timeout */ |
| 346 | return NULL; |
| 347 | } |
| 348 | |
| 349 | connection->m_fd = accept(socket->m_fd, NULL, NULL); |
| 350 | |
| 351 | if (connection->m_fd == -1) |
| 352 | { |
| 353 | if (errno == EWOULDBLOCK) |
| 354 | socket->m_error = GSOCK_WOULDBLOCK; |
| 355 | else |
| 356 | socket->m_error = GSOCK_IOERR; |
| 357 | |
| 358 | GSocket_destroy(connection); |
| 359 | return NULL; |
| 360 | } |
| 361 | |
| 362 | /* Initialize all fields */ |
| 363 | connection->m_server = 0; |
| 364 | connection->m_stream = 1; |
| 365 | connection->m_oriented = 1; |
| 366 | |
| 367 | ioctl(connection->m_fd, FIONBIO, (char*)&arg, sizeof(int)); |
| 368 | return connection; |
| 369 | } |
| 370 | |
| 371 | /* Non oriented connections */ |
| 372 | |
| 373 | GSocketError GSocket_SetNonOriented(GSocket *sck) |
| 374 | { |
| 375 | int arg = 1; |
| 376 | |
| 377 | assert(sck != NULL); |
| 378 | |
| 379 | if (sck->m_fd != -1) { |
| 380 | sck->m_error = GSOCK_INVSOCK; |
| 381 | return GSOCK_INVSOCK; |
| 382 | } |
| 383 | |
| 384 | if (!sck->m_local) { |
| 385 | sck->m_error = GSOCK_INVADDR; |
| 386 | return GSOCK_INVADDR; |
| 387 | } |
| 388 | |
| 389 | sck->m_stream = 0; |
| 390 | sck->m_server = 0; |
| 391 | sck->m_oriented = 0; |
| 392 | |
| 393 | /* Create the socket */ |
| 394 | sck->m_fd = socket(sck->m_local->m_realfamily, SOCK_DGRAM, 0); |
| 395 | |
| 396 | if (sck->m_fd < 0) { |
| 397 | sck->m_error = GSOCK_IOERR; |
| 398 | return GSOCK_IOERR; |
| 399 | } |
| 400 | |
| 401 | ioctl(sck->m_fd, FIONBIO, (char*)&arg, sizeof(int)); |
| 402 | |
| 403 | /* Bind it to the LOCAL address */ |
| 404 | if (bind(sck->m_fd, sck->m_local->m_addr, sck->m_local->m_len) < 0) { |
| 405 | soclose(sck->m_fd); |
| 406 | sck->m_fd = -1; |
| 407 | sck->m_error = GSOCK_IOERR; |
| 408 | return GSOCK_IOERR; |
| 409 | } |
| 410 | |
| 411 | return GSOCK_NOERROR; |
| 412 | } |
| 413 | |
| 414 | /* Client specific parts */ |
| 415 | |
| 416 | /* GSocket_Connect: |
| 417 | * Establishes a client connection to a server using the "Peer" |
| 418 | * field of GSocket. "Peer" must be set by GSocket_SetPeer() before |
| 419 | * GSocket_Connect() is called. Possible error codes are GSOCK_INVSOCK, |
| 420 | * GSOCK_INVADDR, GSOCK_TIMEDOUT, GSOCK_WOULDBLOCK and GSOCK_IOERR. |
| 421 | * If a socket is nonblocking and Connect() returns GSOCK_WOULDBLOCK, |
| 422 | * the connection request can be completed later. Use GSocket_Select() |
| 423 | * to check or wait for a GSOCK_CONNECTION event. |
| 424 | */ |
| 425 | GSocketError GSocket_Connect(GSocket *sck, GSocketStream stream) |
| 426 | { |
| 427 | int type, err, ret; |
| 428 | int arg = 1; |
| 429 | |
| 430 | assert(sck != NULL); |
| 431 | |
| 432 | /* Enable CONNECTION events (needed for nonblocking connections) */ |
| 433 | _GSocket_Enable(sck, GSOCK_CONNECTION); |
| 434 | |
| 435 | if (sck->m_fd != -1) |
| 436 | { |
| 437 | sck->m_error = GSOCK_INVSOCK; |
| 438 | return GSOCK_INVSOCK; |
| 439 | } |
| 440 | |
| 441 | if (!sck->m_peer) |
| 442 | { |
| 443 | sck->m_error = GSOCK_INVADDR; |
| 444 | return GSOCK_INVADDR; |
| 445 | } |
| 446 | |
| 447 | /* Test whether we want the socket to be a stream (e.g. TCP) */ |
| 448 | sck->m_stream = (stream == GSOCK_STREAMED); |
| 449 | sck->m_oriented = 1; |
| 450 | sck->m_server = 0; |
| 451 | sck->m_establishing = 0; |
| 452 | |
| 453 | if (sck->m_stream) |
| 454 | type = SOCK_STREAM; |
| 455 | else |
| 456 | type = SOCK_DGRAM; |
| 457 | |
| 458 | /* Create the socket */ |
| 459 | sck->m_fd = socket(sck->m_peer->m_realfamily, type, 0); |
| 460 | |
| 461 | if (sck->m_fd == -1) { |
| 462 | sck->m_error = GSOCK_IOERR; |
| 463 | return GSOCK_IOERR; |
| 464 | } |
| 465 | |
| 466 | ioctl(sck->m_fd, FIONBIO, (char*)&arg, sizeof(int)); |
| 467 | |
| 468 | /* Connect it to the PEER address */ |
| 469 | ret = connect(sck->m_fd, sck->m_peer->m_addr, sck->m_peer->m_len); |
| 470 | |
| 471 | if (ret == -1) |
| 472 | { |
| 473 | err = errno; |
| 474 | |
| 475 | /* If connect failed with EINPROGRESS and the GSocket object |
| 476 | * is in blocking mode, we select() for the specified timeout |
| 477 | * checking for writability to see if the connection request |
| 478 | * completes. |
| 479 | */ |
| 480 | if ((err == EINPROGRESS) && (!sck->m_non_blocking)) |
| 481 | { |
| 482 | if (_GSocket_Output_Timeout(sck) == GSOCK_TIMEDOUT) |
| 483 | { |
| 484 | soclose(sck->m_fd); |
| 485 | sck->m_fd = -1; |
| 486 | /* sck->m_error is set in _GSocket_Output_Timeout */ |
| 487 | fprintf(stderr, "Blocking connect timeouts\n"); |
| 488 | return GSOCK_TIMEDOUT; |
| 489 | } |
| 490 | else |
| 491 | { |
| 492 | fprintf(stderr, "Blocking connect OK\n"); |
| 493 | return GSOCK_NOERROR; |
| 494 | } |
| 495 | } |
| 496 | |
| 497 | /* If connect failed with EINPROGRESS and the GSocket object |
| 498 | * is set to nonblocking, we set m_error to GSOCK_WOULDBLOCK |
| 499 | * (and return GSOCK_WOULDBLOCK) but we don't close the socket; |
| 500 | * this way if the connection completes, a GSOCK_CONNECTION |
| 501 | * event will be generated, if enabled. |
| 502 | */ |
| 503 | if ((err == EINPROGRESS) && (sck->m_non_blocking)) |
| 504 | { |
| 505 | sck->m_error = GSOCK_WOULDBLOCK; |
| 506 | sck->m_establishing = 1; |
| 507 | fprintf(stderr, "Nonblocking connect in progress\n"); |
| 508 | |
| 509 | return GSOCK_WOULDBLOCK; |
| 510 | } |
| 511 | |
| 512 | /* If connect failed with an error other than EINPROGRESS, |
| 513 | * then the call to GSocket_Connect has failed. |
| 514 | */ |
| 515 | soclose(sck->m_fd); |
| 516 | sck->m_fd = -1; |
| 517 | sck->m_error = GSOCK_IOERR; |
| 518 | |
| 519 | fprintf(stderr, "Connect failed (generic err)\n"); |
| 520 | return GSOCK_IOERR; |
| 521 | } |
| 522 | |
| 523 | fprintf(stderr, "Connect OK\n"); |
| 524 | return GSOCK_NOERROR; |
| 525 | } |
| 526 | |
| 527 | /* Generic IO */ |
| 528 | |
| 529 | /* Like recv(), send(), ... */ |
| 530 | int GSocket_Read(GSocket *socket, char *buffer, int size) |
| 531 | { |
| 532 | int ret; |
| 533 | |
| 534 | assert(socket != NULL); |
| 535 | |
| 536 | /* Reenable INPUT events */ |
| 537 | _GSocket_Enable(socket, GSOCK_INPUT); |
| 538 | |
| 539 | if (socket->m_fd == -1 || socket->m_server) |
| 540 | { |
| 541 | socket->m_error = GSOCK_INVSOCK; |
| 542 | return -1; |
| 543 | } |
| 544 | |
| 545 | if (_GSocket_Input_Timeout(socket) == GSOCK_TIMEDOUT) |
| 546 | return -1; |
| 547 | |
| 548 | if (socket->m_stream) |
| 549 | ret = _GSocket_Recv_Stream(socket, buffer, size); |
| 550 | else |
| 551 | ret = _GSocket_Recv_Dgram(socket, buffer, size); |
| 552 | |
| 553 | if (ret == -1) |
| 554 | { |
| 555 | if (errno == EWOULDBLOCK) |
| 556 | socket->m_error = GSOCK_WOULDBLOCK; |
| 557 | else |
| 558 | socket->m_error = GSOCK_IOERR; |
| 559 | } |
| 560 | |
| 561 | return ret; |
| 562 | } |
| 563 | |
| 564 | int GSocket_Write(GSocket *socket, const char *buffer, |
| 565 | int size) |
| 566 | { |
| 567 | int ret; |
| 568 | |
| 569 | assert(socket != NULL); |
| 570 | |
| 571 | if (socket->m_fd == -1 || socket->m_server) |
| 572 | { |
| 573 | socket->m_error = GSOCK_INVSOCK; |
| 574 | return -1; |
| 575 | } |
| 576 | |
| 577 | if (_GSocket_Output_Timeout(socket) == GSOCK_TIMEDOUT) |
| 578 | return -1; |
| 579 | |
| 580 | if (socket->m_stream) |
| 581 | ret = _GSocket_Send_Stream(socket, buffer, size); |
| 582 | else |
| 583 | ret = _GSocket_Send_Dgram(socket, buffer, size); |
| 584 | |
| 585 | if (ret == -1) |
| 586 | { |
| 587 | if (errno == EWOULDBLOCK) |
| 588 | socket->m_error = GSOCK_WOULDBLOCK; |
| 589 | else |
| 590 | socket->m_error = GSOCK_IOERR; |
| 591 | |
| 592 | /* Only reenable OUTPUT events after an error (just like WSAAsyncSelect |
| 593 | * in MSW). Once the first OUTPUT event is received, users can assume |
| 594 | * that the socket is writable until a read operation fails. Only then |
| 595 | * will further OUTPUT events be posted. |
| 596 | */ |
| 597 | _GSocket_Enable(socket, GSOCK_OUTPUT); |
| 598 | } |
| 599 | |
| 600 | return ret; |
| 601 | } |
| 602 | |
| 603 | /* GSocket_Select: |
| 604 | * Polls the socket to determine its status. This function will |
| 605 | * check for the events specified in the 'flags' parameter, and |
| 606 | * it will return a mask indicating which operations can be |
| 607 | * performed. This function won't block, regardless of the |
| 608 | * mode (blocking|nonblocking) of the socket. |
| 609 | */ |
| 610 | GSocketEventFlags GSocket_Select(GSocket *socket, GSocketEventFlags flags) |
| 611 | { |
| 612 | assert(socket != NULL); |
| 613 | |
| 614 | return (flags & socket->m_detected); |
| 615 | } |
| 616 | |
| 617 | /* Flags */ |
| 618 | |
| 619 | /* GSocket_SetNonBlocking: |
| 620 | * Sets the socket to non-blocking mode. This is useful if |
| 621 | * we don't want to wait. |
| 622 | */ |
| 623 | void GSocket_SetNonBlocking(GSocket *socket, int non_block) |
| 624 | { |
| 625 | assert(socket != NULL); |
| 626 | |
| 627 | socket->m_non_blocking = non_block; |
| 628 | } |
| 629 | |
| 630 | /* GSocket_SetTimeout: |
| 631 | * Sets the timeout for blocking calls. Time is |
| 632 | * expressed in milliseconds. |
| 633 | */ |
| 634 | void GSocket_SetTimeout(GSocket *socket, unsigned long millisec) |
| 635 | { |
| 636 | assert(socket != NULL); |
| 637 | |
| 638 | socket->m_timeout = millisec; |
| 639 | } |
| 640 | |
| 641 | /* GSocket_GetError: |
| 642 | * Returns the last error occured for this socket. |
| 643 | */ |
| 644 | GSocketError GSocket_GetError(GSocket *socket) |
| 645 | { |
| 646 | assert(socket != NULL); |
| 647 | |
| 648 | return socket->m_error; |
| 649 | } |
| 650 | |
| 651 | /* Callbacks */ |
| 652 | |
| 653 | /* Only one callback is possible for each event (INPUT, OUTPUT, CONNECTION |
| 654 | * and LOST). The callbacks are called in the following situations: |
| 655 | * |
| 656 | * INPUT: There is at least one byte in the input buffer |
| 657 | * OUTPUT: The system is sure that the next write call will not block |
| 658 | * CONNECTION: Two cases are possible: |
| 659 | * Client socket -> the connection is established |
| 660 | * Server socket -> a client requests a connection |
| 661 | * LOST: The connection is lost |
| 662 | * |
| 663 | * An event is generated only once and its state is reseted when the |
| 664 | * relative IO call is requested. |
| 665 | * For example: INPUT -> GSocket_Read() |
| 666 | * CONNECTION -> GSocket_Accept() |
| 667 | */ |
| 668 | |
| 669 | /* GSocket_SetCallback: |
| 670 | * Enables the callbacks specified by 'flags'. Note that 'flags' |
| 671 | * may be a combination of flags OR'ed toghether, so the same |
| 672 | * callback function can be made to accept different events. |
| 673 | * The callback function must have the following prototype: |
| 674 | * |
| 675 | * void function(GSocket *socket, GSocketEvent event, char *cdata) |
| 676 | */ |
| 677 | void GSocket_SetCallback(GSocket *socket, GSocketEventFlags flags, |
| 678 | GSocketCallback callback, char *cdata) |
| 679 | { |
| 680 | int count; |
| 681 | |
| 682 | assert(socket != NULL); |
| 683 | |
| 684 | for (count = 0; count < GSOCK_MAX_EVENT; count++) |
| 685 | { |
| 686 | if ((flags & (1 << count)) != 0) |
| 687 | { |
| 688 | socket->m_cbacks[count] = callback; |
| 689 | socket->m_data[count] = cdata; |
| 690 | } |
| 691 | } |
| 692 | } |
| 693 | |
| 694 | /* GSocket_UnsetCallback: |
| 695 | * Disables all callbacks specified by 'flags', which may be a |
| 696 | * combination of flags OR'ed toghether. |
| 697 | */ |
| 698 | void GSocket_UnsetCallback(GSocket *socket, GSocketEventFlags flags) |
| 699 | { |
| 700 | int count; |
| 701 | |
| 702 | assert(socket != NULL); |
| 703 | |
| 704 | for (count = 0; count < GSOCK_MAX_EVENT; count++) |
| 705 | { |
| 706 | if ((flags & (1 << count)) != 0) |
| 707 | { |
| 708 | socket->m_cbacks[count] = NULL; |
| 709 | socket->m_data[count] = NULL; |
| 710 | } |
| 711 | } |
| 712 | } |
| 713 | |
| 714 | #define CALL_CALLBACK(socket, event) { \ |
| 715 | _GSocket_Disable(socket, event); \ |
| 716 | if (socket->m_cbacks[event]) \ |
| 717 | socket->m_cbacks[event](socket, event, socket->m_data[event]); \ |
| 718 | } |
| 719 | |
| 720 | |
| 721 | void _GSocket_Enable(GSocket *socket, GSocketEvent event) |
| 722 | { |
| 723 | socket->m_detected &= ~(1 << event); |
| 724 | (socket, event); |
| 725 | } |
| 726 | |
| 727 | void _GSocket_Disable(GSocket *socket, GSocketEvent event) |
| 728 | { |
| 729 | socket->m_detected |= (1 << event); |
| 730 | } |
| 731 | |
| 732 | /* _GSocket_Input_Timeout: |
| 733 | * For blocking sockets, wait until data is available or |
| 734 | * until timeout ellapses. |
| 735 | */ |
| 736 | GSocketError _GSocket_Input_Timeout(GSocket *socket) |
| 737 | { |
| 738 | struct timeval tv; |
| 739 | fd_set readfds; |
| 740 | |
| 741 | tv.tv_sec = (socket->m_timeout / 1000); |
| 742 | tv.tv_usec = (socket->m_timeout % 1000) * 1000; |
| 743 | |
| 744 | if (!socket->m_non_blocking) |
| 745 | { |
| 746 | FD_ZERO(&readfds); |
| 747 | FD_SET(socket->m_fd, &readfds); |
| 748 | if (select(socket->m_fd + 1, &readfds, NULL, NULL, &tv) == 0) |
| 749 | { |
| 750 | socket->m_error = GSOCK_TIMEDOUT; |
| 751 | return GSOCK_TIMEDOUT; |
| 752 | } |
| 753 | } |
| 754 | return GSOCK_NOERROR; |
| 755 | } |
| 756 | |
| 757 | /* _GSocket_Output_Timeout: |
| 758 | * For blocking sockets, wait until data can be sent without |
| 759 | * blocking or until timeout ellapses. |
| 760 | */ |
| 761 | GSocketError _GSocket_Output_Timeout(GSocket *socket) |
| 762 | { |
| 763 | struct timeval tv; |
| 764 | fd_set writefds; |
| 765 | |
| 766 | tv.tv_sec = (socket->m_timeout / 1000); |
| 767 | tv.tv_usec = (socket->m_timeout % 1000) * 1000; |
| 768 | |
| 769 | if (!socket->m_non_blocking) |
| 770 | { |
| 771 | FD_ZERO(&writefds); |
| 772 | FD_SET(socket->m_fd, &writefds); |
| 773 | if (select(socket->m_fd + 1, NULL, &writefds, NULL, &tv) == 0) |
| 774 | { |
| 775 | socket->m_error = GSOCK_TIMEDOUT; |
| 776 | return GSOCK_TIMEDOUT; |
| 777 | } |
| 778 | } |
| 779 | return GSOCK_NOERROR; |
| 780 | } |
| 781 | |
| 782 | int _GSocket_Recv_Stream(GSocket *socket, char *buffer, int size) |
| 783 | { |
| 784 | int ret; |
| 785 | |
| 786 | ret = recv(socket->m_fd, buffer, size, 0); |
| 787 | |
| 788 | return ret; |
| 789 | } |
| 790 | |
| 791 | int _GSocket_Recv_Dgram(GSocket *socket, char *buffer, int size) |
| 792 | { |
| 793 | struct sockaddr from; |
| 794 | SOCKLEN_T fromlen; |
| 795 | int ret; |
| 796 | GSocketError err; |
| 797 | |
| 798 | fromlen = sizeof(from); |
| 799 | |
| 800 | ret = recvfrom(socket->m_fd, buffer, size, 0, &from, &fromlen); |
| 801 | |
| 802 | if (ret == -1) |
| 803 | return -1; |
| 804 | |
| 805 | /* Translate a system address into a GSocket address */ |
| 806 | if (!socket->m_peer) |
| 807 | { |
| 808 | socket->m_peer = GAddress_new(); |
| 809 | if (!socket->m_peer) |
| 810 | { |
| 811 | socket->m_error = GSOCK_MEMERR; |
| 812 | return -1; |
| 813 | } |
| 814 | } |
| 815 | err = _GAddress_translate_from(socket->m_peer, &from, fromlen); |
| 816 | if (err != GSOCK_NOERROR) |
| 817 | { |
| 818 | GAddress_destroy(socket->m_peer); |
| 819 | socket->m_peer = NULL; |
| 820 | socket->m_error = err; |
| 821 | return -1; |
| 822 | } |
| 823 | |
| 824 | return ret; |
| 825 | } |
| 826 | |
| 827 | int _GSocket_Send_Stream(GSocket *socket, const char *buffer, int size) |
| 828 | { |
| 829 | int ret; |
| 830 | GSocketError err; |
| 831 | |
| 832 | ret = send(socket->m_fd, (char*)buffer, size, 0); |
| 833 | |
| 834 | return ret; |
| 835 | } |
| 836 | |
| 837 | int _GSocket_Send_Dgram(GSocket *socket, const char *buffer, int size) |
| 838 | { |
| 839 | struct sockaddr *addr; |
| 840 | int len, ret; |
| 841 | GSocketError err; |
| 842 | |
| 843 | if (!socket->m_peer) { |
| 844 | socket->m_error = GSOCK_INVADDR; |
| 845 | return -1; |
| 846 | } |
| 847 | |
| 848 | err = _GAddress_translate_to(socket->m_peer, &addr, &len); |
| 849 | if (err != GSOCK_NOERROR) { |
| 850 | socket->m_error = err; |
| 851 | return -1; |
| 852 | } |
| 853 | |
| 854 | ret = sendto(socket->m_fd, (char*)buffer, size, 0, addr, len); |
| 855 | |
| 856 | /* Frees memory allocated from _GAddress_translate_to */ |
| 857 | free(addr); |
| 858 | |
| 859 | return ret; |
| 860 | } |
| 861 | |
| 862 | void _GSocket_Detected_Read(GSocket *socket) |
| 863 | { |
| 864 | char c; |
| 865 | int ret; |
| 866 | |
| 867 | if (socket->m_stream) |
| 868 | { |
| 869 | ret = recv(socket->m_fd, &c, 1, MSG_PEEK); |
| 870 | |
| 871 | if (ret < 0 && socket->m_server) |
| 872 | { |
| 873 | CALL_CALLBACK(socket, GSOCK_CONNECTION); |
| 874 | return; |
| 875 | } |
| 876 | |
| 877 | if (ret > 0) |
| 878 | { |
| 879 | CALL_CALLBACK(socket, GSOCK_INPUT); |
| 880 | } |
| 881 | else |
| 882 | { |
| 883 | CALL_CALLBACK(socket, GSOCK_LOST); |
| 884 | } |
| 885 | } |
| 886 | } |
| 887 | |
| 888 | void _GSocket_Detected_Write(GSocket *socket) |
| 889 | { |
| 890 | if (socket->m_establishing && !socket->m_server) |
| 891 | { |
| 892 | int error, len; |
| 893 | |
| 894 | socket->m_establishing = 0; |
| 895 | |
| 896 | len = sizeof(error); |
| 897 | getsockopt(socket->m_fd, SOL_SOCKET, SO_ERROR, (char*)&error, &len); |
| 898 | |
| 899 | if (error) |
| 900 | { |
| 901 | CALL_CALLBACK(socket, GSOCK_LOST); |
| 902 | } |
| 903 | else |
| 904 | { |
| 905 | CALL_CALLBACK(socket, GSOCK_CONNECTION); |
| 906 | /* We have to fire this event by hand because CONNECTION (for clients) |
| 907 | * and OUTPUT are internally the same and we just disabled CONNECTION |
| 908 | * events with the above macro. |
| 909 | */ |
| 910 | CALL_CALLBACK(socket, GSOCK_OUTPUT); |
| 911 | } |
| 912 | } |
| 913 | else |
| 914 | { |
| 915 | CALL_CALLBACK(socket, GSOCK_OUTPUT); |
| 916 | } |
| 917 | } |
| 918 | |
| 919 | /* |
| 920 | * ------------------------------------------------------------------------- |
| 921 | * GAddress |
| 922 | * ------------------------------------------------------------------------- |
| 923 | */ |
| 924 | |
| 925 | /* CHECK_ADDRESS verifies that the current family is either GSOCK_NOFAMILY or |
| 926 | * GSOCK_*family*. In case it is GSOCK_NOFAMILY, it initializes address to be |
| 927 | * a GSOCK_*family*. In other cases, it returns GSOCK_INVADDR. |
| 928 | */ |
| 929 | #define CHECK_ADDRESS(address, family, retval) \ |
| 930 | { \ |
| 931 | if (address->m_family == GSOCK_NOFAMILY) \ |
| 932 | if (_GAddress_Init_##family(address) != GSOCK_NOERROR) {\ |
| 933 | return address->m_error; \ |
| 934 | }\ |
| 935 | if (address->m_family != GSOCK_##family) {\ |
| 936 | address->m_error = GSOCK_INVADDR; \ |
| 937 | return retval; \ |
| 938 | } \ |
| 939 | } |
| 940 | |
| 941 | GAddress *GAddress_new() |
| 942 | { |
| 943 | GAddress *address; |
| 944 | |
| 945 | address = (GAddress *)malloc(sizeof(GAddress)); |
| 946 | |
| 947 | if (address == NULL) |
| 948 | return NULL; |
| 949 | |
| 950 | address->m_family = GSOCK_NOFAMILY; |
| 951 | address->m_addr = NULL; |
| 952 | address->m_len = 0; |
| 953 | |
| 954 | return address; |
| 955 | } |
| 956 | |
| 957 | GAddress *GAddress_copy(GAddress *address) |
| 958 | { |
| 959 | GAddress *addr2; |
| 960 | |
| 961 | assert(address != NULL); |
| 962 | |
| 963 | addr2 = (GAddress *)malloc(sizeof(GAddress)); |
| 964 | |
| 965 | if (addr2 == NULL) |
| 966 | return NULL; |
| 967 | |
| 968 | memcpy(addr2, address, sizeof(GAddress)); |
| 969 | |
| 970 | if (address->m_addr) { |
| 971 | addr2->m_addr = (struct sockaddr *)malloc(addr2->m_len); |
| 972 | if (addr2->m_addr == NULL) { |
| 973 | free(addr2); |
| 974 | return NULL; |
| 975 | } |
| 976 | memcpy(addr2->m_addr, address->m_addr, addr2->m_len); |
| 977 | } |
| 978 | |
| 979 | return addr2; |
| 980 | } |
| 981 | |
| 982 | void GAddress_destroy(GAddress *address) |
| 983 | { |
| 984 | assert(address != NULL); |
| 985 | |
| 986 | free(address); |
| 987 | } |
| 988 | |
| 989 | void GAddress_SetFamily(GAddress *address, GAddressType type) |
| 990 | { |
| 991 | assert(address != NULL); |
| 992 | |
| 993 | address->m_family = type; |
| 994 | } |
| 995 | |
| 996 | GAddressType GAddress_GetFamily(GAddress *address) |
| 997 | { |
| 998 | assert(address != NULL); |
| 999 | |
| 1000 | return address->m_family; |
| 1001 | } |
| 1002 | |
| 1003 | GSocketError _GAddress_translate_from(GAddress *address, struct sockaddr *addr, int len){ |
| 1004 | address->m_realfamily = addr->sa_family; |
| 1005 | switch (addr->sa_family) { |
| 1006 | case AF_INET: |
| 1007 | address->m_family = GSOCK_INET; |
| 1008 | break; |
| 1009 | case AF_UNIX: |
| 1010 | address->m_family = GSOCK_UNIX; |
| 1011 | break; |
| 1012 | #ifdef AF_INET6 |
| 1013 | case AF_INET6: |
| 1014 | address->m_family = GSOCK_INET6; |
| 1015 | break; |
| 1016 | #endif |
| 1017 | default: |
| 1018 | { |
| 1019 | address->m_error = GSOCK_INVOP; |
| 1020 | return GSOCK_INVOP; |
| 1021 | } |
| 1022 | } |
| 1023 | |
| 1024 | if (address->m_addr) |
| 1025 | free(address->m_addr); |
| 1026 | |
| 1027 | address->m_len = len; |
| 1028 | address->m_addr = (struct sockaddr *)malloc(len); |
| 1029 | if (address->m_addr == NULL) { |
| 1030 | address->m_error = GSOCK_MEMERR; |
| 1031 | return GSOCK_MEMERR; |
| 1032 | } |
| 1033 | memcpy(address->m_addr, addr, len); |
| 1034 | |
| 1035 | return GSOCK_NOERROR; |
| 1036 | } |
| 1037 | |
| 1038 | GSocketError _GAddress_translate_to(GAddress *address, |
| 1039 | struct sockaddr **addr, int *len) |
| 1040 | { |
| 1041 | if (!address->m_addr) { |
| 1042 | address->m_error = GSOCK_INVADDR; |
| 1043 | return GSOCK_INVADDR; |
| 1044 | } |
| 1045 | |
| 1046 | *len = address->m_len; |
| 1047 | *addr = (struct sockaddr *)malloc(address->m_len); |
| 1048 | if (*addr == NULL) { |
| 1049 | address->m_error = GSOCK_MEMERR; |
| 1050 | return GSOCK_MEMERR; |
| 1051 | } |
| 1052 | |
| 1053 | memcpy(*addr, address->m_addr, address->m_len); |
| 1054 | return GSOCK_NOERROR; |
| 1055 | } |
| 1056 | |
| 1057 | /* |
| 1058 | * ------------------------------------------------------------------------- |
| 1059 | * Internet address family |
| 1060 | * ------------------------------------------------------------------------- |
| 1061 | */ |
| 1062 | |
| 1063 | GSocketError _GAddress_Init_INET(GAddress *address) |
| 1064 | { |
| 1065 | address->m_addr = (struct sockaddr *)malloc(sizeof(struct sockaddr_in)); |
| 1066 | if (address->m_addr == NULL) { |
| 1067 | address->m_error = GSOCK_MEMERR; |
| 1068 | return GSOCK_MEMERR; |
| 1069 | } |
| 1070 | |
| 1071 | address->m_len = sizeof(struct sockaddr_in); |
| 1072 | |
| 1073 | address->m_family = GSOCK_INET; |
| 1074 | address->m_realfamily = PF_INET; |
| 1075 | ((struct sockaddr_in *)address->m_addr)->sin_family = AF_INET; |
| 1076 | ((struct sockaddr_in *)address->m_addr)->sin_addr.s_addr = INADDR_ANY; |
| 1077 | |
| 1078 | return GSOCK_NOERROR; |
| 1079 | } |
| 1080 | |
| 1081 | GSocketError GAddress_INET_SetHostName(GAddress *address, const char *hostname) |
| 1082 | { |
| 1083 | struct hostent *he; |
| 1084 | struct in_addr *addr; |
| 1085 | |
| 1086 | assert(address != NULL); |
| 1087 | |
| 1088 | CHECK_ADDRESS(address, INET, GSOCK_INVADDR); |
| 1089 | |
| 1090 | addr = &(((struct sockaddr_in *)address->m_addr)->sin_addr); |
| 1091 | |
| 1092 | /* If it is a numeric host name, convert it now */ |
| 1093 | #if defined(HAVE_INET_ATON) |
| 1094 | if (inet_aton(hostname, addr) == 0) { |
| 1095 | #elif defined(HAVE_INET_ADDR) |
| 1096 | /* Fix from Guillermo Rodriguez Garcia <guille@iies.es> */ |
| 1097 | if ( (addr->s_addr = inet_addr(hostname)) == -1 ) { |
| 1098 | #endif |
| 1099 | struct in_addr *array_addr; |
| 1100 | |
| 1101 | /* It is a real name, we solve it */ |
| 1102 | he = gethostbyname((char*)hostname); |
| 1103 | if (he == NULL) { |
| 1104 | address->m_error = GSOCK_NOHOST; |
| 1105 | return GSOCK_NOHOST; |
| 1106 | } |
| 1107 | array_addr = (struct in_addr *) *(he->h_addr_list); |
| 1108 | addr->s_addr = array_addr[0].s_addr; |
| 1109 | #if defined(HAVE_INET_ATON) |
| 1110 | } |
| 1111 | #elif defined(HAVE_INET_ADDR) |
| 1112 | } |
| 1113 | #endif |
| 1114 | return GSOCK_NOERROR; |
| 1115 | } |
| 1116 | |
| 1117 | GSocketError GAddress_INET_SetAnyAddress(GAddress *address) |
| 1118 | { |
| 1119 | return GAddress_INET_SetHostAddress(address, INADDR_ANY); |
| 1120 | } |
| 1121 | |
| 1122 | GSocketError GAddress_INET_SetHostAddress(GAddress *address, |
| 1123 | unsigned long hostaddr) |
| 1124 | { |
| 1125 | struct in_addr *addr; |
| 1126 | |
| 1127 | assert(address != NULL); |
| 1128 | |
| 1129 | CHECK_ADDRESS(address, INET, GSOCK_INVADDR); |
| 1130 | |
| 1131 | addr = &(((struct sockaddr_in *)address->m_addr)->sin_addr); |
| 1132 | addr->s_addr = hostaddr; |
| 1133 | |
| 1134 | return GSOCK_NOERROR; |
| 1135 | } |
| 1136 | |
| 1137 | GSocketError GAddress_INET_SetPortName(GAddress *address, const char *port, |
| 1138 | const char *protocol) |
| 1139 | { |
| 1140 | struct servent *se; |
| 1141 | struct sockaddr_in *addr; |
| 1142 | |
| 1143 | assert(address != NULL); |
| 1144 | CHECK_ADDRESS(address, INET, GSOCK_INVADDR); |
| 1145 | |
| 1146 | if (!port) { |
| 1147 | address->m_error = GSOCK_INVPORT; |
| 1148 | return GSOCK_INVPORT; |
| 1149 | } |
| 1150 | |
| 1151 | se = getservbyname((char*)port, (char*)protocol); |
| 1152 | if (!se) { |
| 1153 | if (isdigit(port[0])) { |
| 1154 | int port_int; |
| 1155 | |
| 1156 | port_int = atoi(port); |
| 1157 | addr = (struct sockaddr_in *)address->m_addr; |
| 1158 | addr->sin_port = htons(port_int); |
| 1159 | return GSOCK_NOERROR; |
| 1160 | } |
| 1161 | |
| 1162 | address->m_error = GSOCK_INVPORT; |
| 1163 | return GSOCK_INVPORT; |
| 1164 | } |
| 1165 | |
| 1166 | addr = (struct sockaddr_in *)address->m_addr; |
| 1167 | addr->sin_port = se->s_port; |
| 1168 | |
| 1169 | return GSOCK_NOERROR; |
| 1170 | } |
| 1171 | |
| 1172 | GSocketError GAddress_INET_SetPort(GAddress *address, unsigned short port) |
| 1173 | { |
| 1174 | struct sockaddr_in *addr; |
| 1175 | |
| 1176 | assert(address != NULL); |
| 1177 | CHECK_ADDRESS(address, INET, GSOCK_INVADDR); |
| 1178 | |
| 1179 | addr = (struct sockaddr_in *)address->m_addr; |
| 1180 | addr->sin_port = htons(port); |
| 1181 | |
| 1182 | return GSOCK_NOERROR; |
| 1183 | } |
| 1184 | |
| 1185 | GSocketError GAddress_INET_GetHostName(GAddress *address, char *hostname, size_t sbuf) |
| 1186 | { |
| 1187 | struct hostent *he; |
| 1188 | char *addr_buf; |
| 1189 | struct sockaddr_in *addr; |
| 1190 | |
| 1191 | assert(address != NULL); |
| 1192 | CHECK_ADDRESS(address, INET, GSOCK_INVADDR); |
| 1193 | |
| 1194 | addr = (struct sockaddr_in *)address->m_addr; |
| 1195 | addr_buf = (char *)&(addr->sin_addr); |
| 1196 | |
| 1197 | he = gethostbyaddr(addr_buf, sizeof(addr->sin_addr), AF_INET); |
| 1198 | if (he == NULL) { |
| 1199 | address->m_error = GSOCK_NOHOST; |
| 1200 | return GSOCK_NOHOST; |
| 1201 | } |
| 1202 | |
| 1203 | strncpy(hostname, he->h_name, sbuf); |
| 1204 | |
| 1205 | return GSOCK_NOERROR; |
| 1206 | } |
| 1207 | |
| 1208 | unsigned long GAddress_INET_GetHostAddress(GAddress *address) |
| 1209 | { |
| 1210 | struct sockaddr_in *addr; |
| 1211 | |
| 1212 | assert(address != NULL); |
| 1213 | CHECK_ADDRESS(address, INET, 0); |
| 1214 | |
| 1215 | addr = (struct sockaddr_in *)address->m_addr; |
| 1216 | |
| 1217 | return addr->sin_addr.s_addr; |
| 1218 | } |
| 1219 | |
| 1220 | unsigned short GAddress_INET_GetPort(GAddress *address) |
| 1221 | { |
| 1222 | struct sockaddr_in *addr; |
| 1223 | |
| 1224 | assert(address != NULL); |
| 1225 | CHECK_ADDRESS(address, INET, 0); |
| 1226 | |
| 1227 | addr = (struct sockaddr_in *)address->m_addr; |
| 1228 | return ntohs(addr->sin_port); |
| 1229 | } |
| 1230 | |
| 1231 | /* |
| 1232 | * ------------------------------------------------------------------------- |
| 1233 | * Unix address family |
| 1234 | * ------------------------------------------------------------------------- |
| 1235 | */ |
| 1236 | |
| 1237 | GSocketError _GAddress_Init_UNIX(GAddress *address) |
| 1238 | { |
| 1239 | assert (address != NULL); |
| 1240 | address->m_error = GSOCK_INVADDR; |
| 1241 | return GSOCK_INVADDR; |
| 1242 | } |
| 1243 | |
| 1244 | GSocketError GAddress_UNIX_SetPath(GAddress *address, const char *path) |
| 1245 | { |
| 1246 | assert (address != NULL); |
| 1247 | address->m_error = GSOCK_INVADDR; |
| 1248 | return GSOCK_INVADDR; |
| 1249 | } |
| 1250 | |
| 1251 | GSocketError GAddress_UNIX_GetPath(GAddress *address, char *path, size_t sbuf) |
| 1252 | { |
| 1253 | assert (address != NULL); |
| 1254 | address->m_error = GSOCK_INVADDR; |
| 1255 | return GSOCK_INVADDR; |
| 1256 | } |
| 1257 | |
| 1258 | #endif |
| 1259 | /* wxUSE_SOCKETS */ |