| 1 | /* ------------------------------------------------------------------------- |
| 2 | * Project: GSocket (Generic Socket) for WX |
| 3 | * Name: gsocket.c |
| 4 | * Authors: Guilhem Lavaux, |
| 5 | * Guillermo Rodriguez Garcia <guille@iies.es> (maintainer) |
| 6 | * Stefan CSomor |
| 7 | * Purpose: GSocket main mac file |
| 8 | * CVSID: $Id$ |
| 9 | * ------------------------------------------------------------------------- |
| 10 | */ |
| 11 | |
| 12 | /* |
| 13 | * PLEASE don't put C++ comments here - this is a C source file. |
| 14 | */ |
| 15 | |
| 16 | #ifndef __GSOCKET_STANDALONE__ |
| 17 | #include "wx/setup.h" |
| 18 | #endif |
| 19 | |
| 20 | #if wxUSE_SOCKETS || defined(__GSOCKET_STANDALONE__) |
| 21 | |
| 22 | #ifdef __UNIX__ |
| 23 | #include <CoreServices/CoreServices.h> |
| 24 | |
| 25 | #ifndef FALSE |
| 26 | #define FALSE 0 |
| 27 | #endif |
| 28 | #ifndef TRUE |
| 29 | #define TRUE 1 |
| 30 | #endif |
| 31 | #else |
| 32 | #define OTUNIXERRORS 1 |
| 33 | #include <OpenTransport.h> |
| 34 | #include <OpenTransportProviders.h> |
| 35 | #include <OpenTptInternet.h> |
| 36 | #endif |
| 37 | #if TARGET_CARBON |
| 38 | #define OTAssert( str , cond ) /* does not exists in Carbon */ |
| 39 | #endif |
| 40 | |
| 41 | #include <assert.h> |
| 42 | #include <errno.h> |
| 43 | #include <string.h> |
| 44 | #include <unistd.h> |
| 45 | #include <stdio.h> |
| 46 | #include <stdlib.h> |
| 47 | #include <stddef.h> |
| 48 | #include <ctype.h> |
| 49 | #include <utime.h> |
| 50 | |
| 51 | /* |
| 52 | * INADDR_BROADCAST is identical to INADDR_NONE which is not defined |
| 53 | * on all unices. INADDR_BROADCAST should be fine to indicate an error. |
| 54 | */ |
| 55 | #ifndef INADDR_BROADCAST |
| 56 | #define INADDR_BROADCAST 0xFFFFFFFFUL |
| 57 | #endif |
| 58 | #ifndef INADDR_NONE |
| 59 | #define INADDR_NONE INADDR_BROADCAST |
| 60 | #endif |
| 61 | #ifndef INADDR_ANY |
| 62 | #define INADDR_ANY 0x0UL |
| 63 | #endif |
| 64 | #ifndef __GSOCKET_STANDALONE__ |
| 65 | |
| 66 | #include "wx/mac/macnotfy.h" |
| 67 | #include "wx/mac/gsockmac.h" |
| 68 | #include "wx/gsocket.h" |
| 69 | |
| 70 | #else |
| 71 | |
| 72 | #include "gsockmac.h" |
| 73 | #include "gsocket.h" |
| 74 | |
| 75 | #endif /* __GSOCKET_STANDALONE__ */ |
| 76 | |
| 77 | void wxCYield() ; |
| 78 | #ifdef __WXDEBUG__ |
| 79 | #define qDebug 1 |
| 80 | #define qDebug2 1 |
| 81 | extern pascal void OTDebugStr(const char* str); |
| 82 | #endif |
| 83 | #ifndef __UNIX__ |
| 84 | #include <OTDebug.h> |
| 85 | #endif |
| 86 | InetSvcRef gInetSvcRef = 0 ; |
| 87 | |
| 88 | |
| 89 | OSStatus DoNegotiateIPReuseAddrOption(EndpointRef ep, Boolean enableReuseIPMode); |
| 90 | |
| 91 | /* Input: ep - endpointref on which to negotiate the option |
| 92 | enableReuseIPMode - desired option setting - true/false |
| 93 | Return: kOTNoError indicates that the option was successfully negotiated |
| 94 | OSStatus is an error if < 0, otherwise, the status field is |
| 95 | returned and is > 0. |
| 96 | |
| 97 | IMPORTANT NOTE: The endpoint is assumed to be in synchronous more, otherwise |
| 98 | this code will not function as desired |
| 99 | */ |
| 100 | |
| 101 | |
| 102 | OSStatus DoNegotiateIPReuseAddrOption(EndpointRef ep, Boolean enableReuseIPMode) |
| 103 | |
| 104 | { |
| 105 | UInt8 buf[kOTFourByteOptionSize]; // define buffer for fourByte Option size |
| 106 | TOption* opt; // option ptr to make items easier to access |
| 107 | TOptMgmt req; |
| 108 | TOptMgmt ret; |
| 109 | OSStatus err; |
| 110 | |
| 111 | if (!OTIsSynchronous(ep)) |
| 112 | { |
| 113 | return (-1); |
| 114 | } |
| 115 | opt = (TOption*)buf; // set option ptr to buffer |
| 116 | req.opt.buf = buf; |
| 117 | req.opt.len = sizeof(buf); |
| 118 | req.flags = T_NEGOTIATE; // negotiate for option |
| 119 | |
| 120 | ret.opt.buf = buf; |
| 121 | ret.opt.maxlen = kOTFourByteOptionSize; |
| 122 | |
| 123 | opt->level = INET_IP; // dealing with an IP Level function |
| 124 | #ifdef __UNIX__ |
| 125 | opt->name = kIP_REUSEADDR; |
| 126 | #else |
| 127 | opt->name = IP_REUSEADDR; |
| 128 | #endif |
| 129 | opt->len = kOTFourByteOptionSize; |
| 130 | opt->status = 0; |
| 131 | *(UInt32*)opt->value = enableReuseIPMode; // set the desired option level, true or false |
| 132 | |
| 133 | err = OTOptionManagement(ep, &req, &ret); |
| 134 | |
| 135 | // if no error then return the option status value |
| 136 | if (err == kOTNoError) |
| 137 | { |
| 138 | if (opt->status != T_SUCCESS) |
| 139 | err = opt->status; |
| 140 | else |
| 141 | err = kOTNoError; |
| 142 | } |
| 143 | |
| 144 | return err; |
| 145 | } |
| 146 | |
| 147 | |
| 148 | pascal void OTInetEventHandler(void*s, OTEventCode event, OTResult, void *cookie) ; |
| 149 | pascal void OTInetEventHandler(void*s, OTEventCode event, OTResult result, void *cookie) |
| 150 | { |
| 151 | int wakeUp = true ; |
| 152 | GSocket* sock = (GSocket*) s ; |
| 153 | |
| 154 | if ( event == kOTSyncIdleEvent ) |
| 155 | { |
| 156 | YieldToAnyThread() ; |
| 157 | return ; |
| 158 | } |
| 159 | |
| 160 | if ( s ) |
| 161 | { |
| 162 | wxMacAddEvent( sock->m_mac_events , _GSocket_Internal_Proc , event , s , wakeUp ) ; |
| 163 | } |
| 164 | |
| 165 | return; |
| 166 | } |
| 167 | |
| 168 | static void SetDefaultEndpointModes(EndpointRef ep , void *data ) |
| 169 | // This routine sets the supplied endpoint into the default |
| 170 | // mode used in this application. The specifics are: |
| 171 | // blocking, synchronous, and using synch idle events with |
| 172 | // the standard YieldingNotifier. |
| 173 | { |
| 174 | OSStatus junk = kOTNoError ; |
| 175 | OTAssert ("SetDefaultEndpointModes:invalid ref", ep != kOTInvalidEndpointRef ) ; |
| 176 | junk = OTSetAsynchronous(ep); |
| 177 | OTAssert("SetDefaultEndpointModes: Could not set asynchronous", junk == noErr); |
| 178 | /* |
| 179 | junk = OTSetBlocking(ep); |
| 180 | OTAssert("SetDefaultEndpointModes: Could not set blocking", junk == noErr); |
| 181 | junk = OTSetSynchronous(ep); |
| 182 | OTAssert("SetDefaultEndpointModes: Could not set synchronous", junk == noErr); |
| 183 | junk = OTSetBlocking(ep); |
| 184 | OTAssert("SetDefaultEndpointModes: Could not set blocking", junk == noErr); |
| 185 | */ |
| 186 | junk = OTInstallNotifier(ep, OTInetEventHandler, data); |
| 187 | OTAssert("SetDefaultEndpointModes: Could not install notifier", junk == noErr); |
| 188 | /* |
| 189 | junk = OTUseSyncIdleEvents(ep, true); |
| 190 | OTAssert("SetDefaultEndpointModes: Could not use sync idle events", junk == noErr); |
| 191 | */ |
| 192 | } |
| 193 | |
| 194 | /* Global initialisers */ |
| 195 | |
| 196 | int GSocket_Init() |
| 197 | { |
| 198 | OSStatus err ; |
| 199 | #if TARGET_CARBON |
| 200 | // Marc Newsam: added the clientcontext variable |
| 201 | // however, documentation is unclear how this works |
| 202 | OTClientContextPtr clientcontext; |
| 203 | |
| 204 | InitOpenTransportInContext(kInitOTForApplicationMask, &clientcontext); |
| 205 | gInetSvcRef = OTOpenInternetServicesInContext(kDefaultInternetServicesPath, |
| 206 | NULL, &err, clientcontext); |
| 207 | #else |
| 208 | InitOpenTransport() ; |
| 209 | gInetSvcRef = OTOpenInternetServices(kDefaultInternetServicesPath, NULL, &err); |
| 210 | #endif |
| 211 | if ( gInetSvcRef == NULL || err != kOTNoError ) |
| 212 | { |
| 213 | OTAssert("Could not open Inet Services", err == noErr); |
| 214 | return FALSE ; |
| 215 | } |
| 216 | return TRUE; |
| 217 | } |
| 218 | |
| 219 | void GSocket_Cleanup() |
| 220 | { |
| 221 | if ( gInetSvcRef != NULL ) |
| 222 | OTCloseProvider( gInetSvcRef ); |
| 223 | #if TARGET_CARBON |
| 224 | CloseOpenTransportInContext( NULL ) ; |
| 225 | #else |
| 226 | CloseOpenTransport() ; |
| 227 | #endif |
| 228 | } |
| 229 | |
| 230 | /* Constructors / Destructors for GSocket */ |
| 231 | |
| 232 | GSocket *GSocket_new() |
| 233 | { |
| 234 | int i; |
| 235 | GSocket *socket; |
| 236 | |
| 237 | socket = (GSocket *)malloc(sizeof(GSocket)); |
| 238 | |
| 239 | if (socket == NULL) |
| 240 | return NULL; |
| 241 | |
| 242 | socket->m_endpoint = NULL ; |
| 243 | for (i=0;i<GSOCK_MAX_EVENT;i++) |
| 244 | { |
| 245 | socket->m_cbacks[i] = NULL; |
| 246 | } |
| 247 | socket->m_detected = 0; |
| 248 | socket->m_local = NULL; |
| 249 | socket->m_peer = NULL; |
| 250 | socket->m_error = GSOCK_NOERROR; |
| 251 | socket->m_server = FALSE; |
| 252 | socket->m_stream = TRUE; |
| 253 | socket->m_non_blocking = FALSE; |
| 254 | socket->m_timeout = 10*60*1000; |
| 255 | /* 10 minutes * 60 sec * 1000 millisec */ |
| 256 | socket->m_takesEvents = TRUE ; |
| 257 | socket->m_mac_events = wxMacGetNotifierTable() ; |
| 258 | return socket; |
| 259 | } |
| 260 | |
| 261 | void GSocket_destroy(GSocket *socket) |
| 262 | { |
| 263 | assert(socket != NULL); |
| 264 | |
| 265 | /* Check that the socket is really shutdowned */ |
| 266 | if (socket->m_endpoint != kOTInvalidEndpointRef) |
| 267 | GSocket_Shutdown(socket); |
| 268 | |
| 269 | |
| 270 | /* Destroy private addresses */ |
| 271 | if (socket->m_local) |
| 272 | GAddress_destroy(socket->m_local); |
| 273 | |
| 274 | if (socket->m_peer) |
| 275 | GAddress_destroy(socket->m_peer); |
| 276 | |
| 277 | /* Destroy the socket itself */ |
| 278 | free(socket); |
| 279 | } |
| 280 | |
| 281 | /* GSocket_Shutdown: |
| 282 | * Disallow further read/write operations on this socket, close |
| 283 | * the fd and disable all callbacks. |
| 284 | */ |
| 285 | void GSocket_Shutdown(GSocket *socket) |
| 286 | { |
| 287 | OSStatus err ; |
| 288 | int evt; |
| 289 | |
| 290 | assert(socket != NULL); |
| 291 | |
| 292 | /* If socket has been created, shutdown it */ |
| 293 | if (socket->m_endpoint != kOTInvalidEndpointRef ) |
| 294 | { |
| 295 | err = OTSndOrderlyDisconnect( socket->m_endpoint ) ; |
| 296 | if ( err != kOTNoError ) |
| 297 | { |
| 298 | |
| 299 | } |
| 300 | err = OTRcvOrderlyDisconnect( socket->m_endpoint ) ; |
| 301 | err = OTUnbind( socket->m_endpoint ) ; |
| 302 | err = OTCloseProvider( socket->m_endpoint ) ; |
| 303 | socket->m_endpoint = kOTInvalidEndpointRef ; |
| 304 | } |
| 305 | |
| 306 | /* Disable GUI callbacks */ |
| 307 | for (evt = 0; evt < GSOCK_MAX_EVENT; evt++) |
| 308 | socket->m_cbacks[evt] = NULL; |
| 309 | |
| 310 | socket->m_detected = 0; |
| 311 | _GSocket_Disable_Events(socket); |
| 312 | wxMacRemoveAllNotifiersForData( wxMacGetNotifierTable() , socket ) ; |
| 313 | } |
| 314 | |
| 315 | |
| 316 | /* Address handling */ |
| 317 | |
| 318 | /* GSocket_SetLocal: |
| 319 | * GSocket_GetLocal: |
| 320 | * GSocket_SetPeer: |
| 321 | * GSocket_GetPeer: |
| 322 | * Set or get the local or peer address for this socket. The 'set' |
| 323 | * functions return GSOCK_NOERROR on success, an error code otherwise. |
| 324 | * The 'get' functions return a pointer to a GAddress object on success, |
| 325 | * or NULL otherwise, in which case they set the error code of the |
| 326 | * corresponding GSocket. |
| 327 | * |
| 328 | * Error codes: |
| 329 | * GSOCK_INVSOCK - the socket is not valid. |
| 330 | * GSOCK_INVADDR - the address is not valid. |
| 331 | */ |
| 332 | GSocketError GSocket_SetLocal(GSocket *socket, GAddress *address) |
| 333 | { |
| 334 | assert(socket != NULL); |
| 335 | |
| 336 | /* the socket must be initialized, or it must be a server */ |
| 337 | if ((socket->m_endpoint != kOTInvalidEndpointRef && !socket->m_server)) |
| 338 | { |
| 339 | socket->m_error = GSOCK_INVSOCK; |
| 340 | return GSOCK_INVSOCK; |
| 341 | } |
| 342 | |
| 343 | /* check address */ |
| 344 | if (address == NULL || address->m_family == GSOCK_NOFAMILY) |
| 345 | { |
| 346 | socket->m_error = GSOCK_INVADDR; |
| 347 | return GSOCK_INVADDR; |
| 348 | } |
| 349 | |
| 350 | if (socket->m_local) |
| 351 | GAddress_destroy(socket->m_local); |
| 352 | |
| 353 | socket->m_local = GAddress_copy(address); |
| 354 | |
| 355 | return GSOCK_NOERROR; |
| 356 | } |
| 357 | |
| 358 | GSocketError GSocket_SetPeer(GSocket *socket, GAddress *address) |
| 359 | { |
| 360 | assert(socket != NULL); |
| 361 | |
| 362 | /* check address */ |
| 363 | if (address == NULL || address->m_family == GSOCK_NOFAMILY) |
| 364 | { |
| 365 | socket->m_error = GSOCK_INVADDR; |
| 366 | return GSOCK_INVADDR; |
| 367 | } |
| 368 | |
| 369 | if (socket->m_peer) |
| 370 | GAddress_destroy(socket->m_peer); |
| 371 | |
| 372 | socket->m_peer = GAddress_copy(address); |
| 373 | |
| 374 | return GSOCK_NOERROR; |
| 375 | } |
| 376 | |
| 377 | GAddress *GSocket_GetLocal(GSocket *socket) |
| 378 | { |
| 379 | GAddress *address = NULL ; |
| 380 | GSocketError err; |
| 381 | InetAddress loc ; |
| 382 | |
| 383 | assert(socket != NULL); |
| 384 | |
| 385 | /* try to get it from the m_local var first */ |
| 386 | if (socket->m_local) |
| 387 | return GAddress_copy(socket->m_local); |
| 388 | |
| 389 | /* else, if the socket is initialized, try getsockname */ |
| 390 | if (socket->m_endpoint == kOTInvalidEndpointRef) |
| 391 | { |
| 392 | socket->m_error = GSOCK_INVSOCK; |
| 393 | return NULL; |
| 394 | } |
| 395 | |
| 396 | |
| 397 | /* we do not support multihoming with this code at the moment |
| 398 | OTGetProtAddress will have to be used then - but we don't have a handy |
| 399 | method to use right now |
| 400 | */ |
| 401 | { |
| 402 | InetInterfaceInfo info; |
| 403 | OTInetGetInterfaceInfo(&info, kDefaultInetInterface); |
| 404 | loc.fHost = info.fAddress ; |
| 405 | loc.fPort = 0 ; |
| 406 | loc.fAddressType = AF_INET ; |
| 407 | } |
| 408 | |
| 409 | /* got a valid address from getsockname, create a GAddress object */ |
| 410 | address = GAddress_new(); |
| 411 | if (address == NULL) |
| 412 | { |
| 413 | socket->m_error = GSOCK_MEMERR; |
| 414 | return NULL; |
| 415 | } |
| 416 | |
| 417 | err = _GAddress_translate_from(address, &loc); |
| 418 | if (err != GSOCK_NOERROR) |
| 419 | { |
| 420 | GAddress_destroy(address); |
| 421 | socket->m_error = err; |
| 422 | return NULL; |
| 423 | } |
| 424 | |
| 425 | return address; |
| 426 | } |
| 427 | |
| 428 | GAddress *GSocket_GetPeer(GSocket *socket) |
| 429 | { |
| 430 | assert(socket != NULL); |
| 431 | |
| 432 | /* try to get it from the m_peer var */ |
| 433 | if (socket->m_peer) |
| 434 | return GAddress_copy(socket->m_peer); |
| 435 | |
| 436 | return NULL; |
| 437 | } |
| 438 | |
| 439 | /* Server specific parts */ |
| 440 | |
| 441 | /* GSocket_SetServer: |
| 442 | * Sets up this socket as a server. The local address must have been |
| 443 | * set with GSocket_SetLocal() before GSocket_SetServer() is called. |
| 444 | * Returns GSOCK_NOERROR on success, one of the following otherwise: |
| 445 | * |
| 446 | * Error codes: |
| 447 | * GSOCK_INVSOCK - the socket is in use. |
| 448 | * GSOCK_INVADDR - the local address has not been set. |
| 449 | * GSOCK_IOERR - low-level error. |
| 450 | */ |
| 451 | GSocketError GSocket_SetServer(GSocket *sck) |
| 452 | { |
| 453 | int type; |
| 454 | int arg = 1; |
| 455 | |
| 456 | assert(sck != NULL); |
| 457 | |
| 458 | /* must not be in use */ |
| 459 | if (sck->m_endpoint != kOTInvalidEndpointRef ) |
| 460 | { |
| 461 | sck->m_error = GSOCK_INVSOCK; |
| 462 | return GSOCK_INVSOCK; |
| 463 | } |
| 464 | |
| 465 | /* the local addr must have been set */ |
| 466 | if (!sck->m_local) |
| 467 | { |
| 468 | sck->m_error = GSOCK_INVADDR; |
| 469 | return GSOCK_INVADDR; |
| 470 | } |
| 471 | |
| 472 | /* Initialize all fields */ |
| 473 | sck->m_stream = TRUE; |
| 474 | sck->m_server = TRUE; |
| 475 | sck->m_oriented = TRUE; |
| 476 | |
| 477 | // TODO |
| 478 | #if 0 |
| 479 | /* Create the socket */ |
| 480 | sck->m_endpoint = socket(sck->m_local->m_realfamily, SOCK_STREAM, 0); |
| 481 | socket_set_ref( sck->m_endpoint , (unsigned long) &gMacNetEvents , (unsigned long) sck ) ; |
| 482 | if (sck->m_endpoint == kOTInvalidEndpointRef) |
| 483 | { |
| 484 | sck->m_error = GSOCK_IOERR; |
| 485 | return GSOCK_IOERR; |
| 486 | } |
| 487 | |
| 488 | ioctl(sck->m_endpoint, FIONBIO, &arg); |
| 489 | _GSocket_Enable_Events(sck); |
| 490 | |
| 491 | /* Bind to the local address, |
| 492 | * retrieve the actual address bound, |
| 493 | * and listen up to 5 connections. |
| 494 | */ |
| 495 | if ((bind(sck->m_endpoint, sck->m_local->m_addr, sck->m_local->m_len) != 0) || |
| 496 | (getsockname(sck->m_endpoint, |
| 497 | sck->m_local->m_addr, |
| 498 | (SOCKLEN_T *) &sck->m_local->m_len) != 0) || |
| 499 | (listen(sck->m_endpoint, 5) != 0)) |
| 500 | { |
| 501 | close(sck->m_endpoint); |
| 502 | sck->m_endpoint = -1; |
| 503 | sck->m_error = GSOCK_IOERR; |
| 504 | return GSOCK_IOERR; |
| 505 | } |
| 506 | #endif |
| 507 | return GSOCK_NOERROR; |
| 508 | } |
| 509 | |
| 510 | /* GSocket_WaitConnection: |
| 511 | * Waits for an incoming client connection. Returns a pointer to |
| 512 | * a GSocket object, or NULL if there was an error, in which case |
| 513 | * the last error field will be updated for the calling GSocket. |
| 514 | * |
| 515 | * Error codes (set in the calling GSocket) |
| 516 | * GSOCK_INVSOCK - the socket is not valid or not a server. |
| 517 | * GSOCK_TIMEDOUT - timeout, no incoming connections. |
| 518 | * GSOCK_WOULDBLOCK - the call would block and the socket is nonblocking. |
| 519 | * GSOCK_MEMERR - couldn't allocate memory. |
| 520 | * GSOCK_IOERR - low-level error. |
| 521 | */ |
| 522 | GSocket *GSocket_WaitConnection(GSocket *socket) |
| 523 | { |
| 524 | GSocket *connection = NULL ; |
| 525 | GSocketError err; |
| 526 | |
| 527 | int arg = 1; |
| 528 | |
| 529 | assert(socket != NULL); |
| 530 | |
| 531 | /* Reenable CONNECTION events */ |
| 532 | socket->m_detected &= ~GSOCK_CONNECTION_FLAG; |
| 533 | |
| 534 | /* If the socket has already been created, we exit immediately */ |
| 535 | if (socket->m_endpoint == kOTInvalidEndpointRef || !socket->m_server) |
| 536 | { |
| 537 | socket->m_error = GSOCK_INVSOCK; |
| 538 | return NULL; |
| 539 | } |
| 540 | |
| 541 | /* Create a GSocket object for the new connection */ |
| 542 | connection = GSocket_new(); |
| 543 | |
| 544 | if (!connection) |
| 545 | { |
| 546 | socket->m_error = GSOCK_MEMERR; |
| 547 | return NULL; |
| 548 | } |
| 549 | |
| 550 | /* Wait for a connection (with timeout) */ |
| 551 | if (_GSocket_Input_Timeout(socket) == GSOCK_TIMEDOUT) |
| 552 | { |
| 553 | GSocket_destroy(connection); |
| 554 | /* socket->m_error set by _GSocket_Input_Timeout */ |
| 555 | return NULL; |
| 556 | } |
| 557 | |
| 558 | // TODO |
| 559 | #if 0 |
| 560 | connection->m_endpoint = accept(socket->m_endpoint, &from, (SOCKLEN_T *) &fromlen); |
| 561 | #endif |
| 562 | |
| 563 | if (connection->m_endpoint == kOTInvalidEndpointRef ) |
| 564 | { |
| 565 | if (errno == EWOULDBLOCK) |
| 566 | socket->m_error = GSOCK_WOULDBLOCK; |
| 567 | else |
| 568 | socket->m_error = GSOCK_IOERR; |
| 569 | |
| 570 | GSocket_destroy(connection); |
| 571 | return NULL; |
| 572 | } |
| 573 | |
| 574 | /* Initialize all fields */ |
| 575 | connection->m_server = FALSE; |
| 576 | connection->m_stream = TRUE; |
| 577 | connection->m_oriented = TRUE; |
| 578 | |
| 579 | /* Setup the peer address field */ |
| 580 | connection->m_peer = GAddress_new(); |
| 581 | if (!connection->m_peer) |
| 582 | { |
| 583 | GSocket_destroy(connection); |
| 584 | socket->m_error = GSOCK_MEMERR; |
| 585 | return NULL; |
| 586 | } |
| 587 | // TODO |
| 588 | #if 0 |
| 589 | err = _GAddress_translate_from(connection->m_peer, &from, fromlen); |
| 590 | if (err != GSOCK_NOERROR) |
| 591 | { |
| 592 | GAddress_destroy(connection->m_peer); |
| 593 | GSocket_destroy(connection); |
| 594 | socket->m_error = err; |
| 595 | return NULL; |
| 596 | } |
| 597 | |
| 598 | ioctl(connection->m_endpoint, FIONBIO, &arg); |
| 599 | #endif |
| 600 | _GSocket_Enable_Events(connection); |
| 601 | |
| 602 | return connection; |
| 603 | } |
| 604 | |
| 605 | /* Datagram sockets */ |
| 606 | |
| 607 | /* GSocket_SetNonOriented: |
| 608 | * Sets up this socket as a non-connection oriented (datagram) socket. |
| 609 | * Before using this function, the local address must have been set |
| 610 | * with GSocket_SetLocal(), or the call will fail. Returns GSOCK_NOERROR |
| 611 | * on success, or one of the following otherwise. |
| 612 | * |
| 613 | * Error codes: |
| 614 | * GSOCK_INVSOCK - the socket is in use. |
| 615 | * GSOCK_INVADDR - the local address has not been set. |
| 616 | * GSOCK_IOERR - low-level error. |
| 617 | */ |
| 618 | GSocketError GSocket_SetNonOriented(GSocket *sck) |
| 619 | { |
| 620 | int arg = 1; |
| 621 | |
| 622 | assert(sck != NULL); |
| 623 | |
| 624 | if (sck->m_endpoint != kOTInvalidEndpointRef ) |
| 625 | { |
| 626 | sck->m_error = GSOCK_INVSOCK; |
| 627 | return GSOCK_INVSOCK; |
| 628 | } |
| 629 | |
| 630 | if (!sck->m_local) |
| 631 | { |
| 632 | sck->m_error = GSOCK_INVADDR; |
| 633 | return GSOCK_INVADDR; |
| 634 | } |
| 635 | |
| 636 | /* Initialize all fields */ |
| 637 | sck->m_stream = FALSE; |
| 638 | sck->m_server = FALSE; |
| 639 | sck->m_oriented = FALSE; |
| 640 | |
| 641 | /* Create the socket */ |
| 642 | |
| 643 | // TODO |
| 644 | #if 0 |
| 645 | sck->m_endpoint = socket(sck->m_local->m_realfamily, SOCK_DGRAM, 0); |
| 646 | socket_set_ref( sck->m_endpoint , (unsigned long) &gMacNetEvents , (unsigned long) sck ) ; |
| 647 | #endif |
| 648 | if (sck->m_endpoint == kOTInvalidEndpointRef ) |
| 649 | { |
| 650 | sck->m_error = GSOCK_IOERR; |
| 651 | return GSOCK_IOERR; |
| 652 | } |
| 653 | |
| 654 | // TODO |
| 655 | #if 0 |
| 656 | ioctl(sck->m_endpoint, FIONBIO, &arg); |
| 657 | #endif |
| 658 | _GSocket_Enable_Events(sck); |
| 659 | |
| 660 | /* Bind to the local address, |
| 661 | * and retrieve the actual address bound. |
| 662 | */ |
| 663 | // TODO |
| 664 | #if 0 |
| 665 | if ((bind(sck->m_endpoint, sck->m_local->m_addr, sck->m_local->m_len) != 0) || |
| 666 | (getsockname(sck->m_endpoint, |
| 667 | sck->m_local->m_addr, |
| 668 | (SOCKLEN_T *) &sck->m_local->m_len) != 0)) |
| 669 | { |
| 670 | close(sck->m_endpoint); |
| 671 | sck->m_endpoint = -1; |
| 672 | sck->m_error = GSOCK_IOERR; |
| 673 | return GSOCK_IOERR; |
| 674 | } |
| 675 | #endif |
| 676 | return GSOCK_NOERROR; |
| 677 | } |
| 678 | |
| 679 | /* Client specific parts */ |
| 680 | |
| 681 | /* GSocket_Connect: |
| 682 | * For stream (connection oriented) sockets, GSocket_Connect() tries |
| 683 | * to establish a client connection to a server using the peer address |
| 684 | * as established with GSocket_SetPeer(). Returns GSOCK_NOERROR if the |
| 685 | * connection has been succesfully established, or one of the error |
| 686 | * codes listed below. Note that for nonblocking sockets, a return |
| 687 | * value of GSOCK_WOULDBLOCK doesn't mean a failure. The connection |
| 688 | * request can be completed later; you should use GSocket_Select() |
| 689 | * to poll for GSOCK_CONNECTION | GSOCK_LOST, or wait for the |
| 690 | * corresponding asynchronous events. |
| 691 | * |
| 692 | * For datagram (non connection oriented) sockets, GSocket_Connect() |
| 693 | * just sets the peer address established with GSocket_SetPeer() as |
| 694 | * default destination. |
| 695 | * |
| 696 | * Error codes: |
| 697 | * GSOCK_INVSOCK - the socket is in use or not valid. |
| 698 | * GSOCK_INVADDR - the peer address has not been established. |
| 699 | * GSOCK_TIMEDOUT - timeout, the connection failed. |
| 700 | * GSOCK_WOULDBLOCK - connection in progress (nonblocking sockets only) |
| 701 | * GSOCK_MEMERR - couldn't allocate memory. |
| 702 | * GSOCK_IOERR - low-level error. |
| 703 | */ |
| 704 | GSocketError GSocket_Connect(GSocket *sck, GSocketStream stream) |
| 705 | { |
| 706 | int ret; |
| 707 | int arg = 1; |
| 708 | InetAddress addr ; |
| 709 | TEndpointInfo info; |
| 710 | OTFlags flags = 0; |
| 711 | OSStatus err = kOTNoError; |
| 712 | TCall peer ; |
| 713 | |
| 714 | assert(sck != NULL); |
| 715 | |
| 716 | /* Enable CONNECTION events (needed for nonblocking connections) */ |
| 717 | sck->m_detected &= ~GSOCK_CONNECTION_FLAG; |
| 718 | |
| 719 | if (sck->m_endpoint != kOTInvalidEndpointRef ) |
| 720 | { |
| 721 | sck->m_error = GSOCK_INVSOCK; |
| 722 | return GSOCK_INVSOCK; |
| 723 | } |
| 724 | |
| 725 | if (!sck->m_peer) |
| 726 | { |
| 727 | sck->m_error = GSOCK_INVADDR; |
| 728 | return GSOCK_INVADDR; |
| 729 | } |
| 730 | |
| 731 | /* Streamed or dgram socket? */ |
| 732 | sck->m_stream = (stream == GSOCK_STREAMED); |
| 733 | sck->m_oriented = TRUE; |
| 734 | sck->m_server = FALSE; |
| 735 | |
| 736 | /* Create the socket */ |
| 737 | #if TARGET_CARBON |
| 738 | sck->m_endpoint = |
| 739 | OTOpenEndpointInContext( OTCreateConfiguration( kTCPName) , 0 , &info , &err , NULL ) ; |
| 740 | #else |
| 741 | sck->m_endpoint = |
| 742 | OTOpenEndpoint( OTCreateConfiguration( kTCPName) , 0 , &info , &err ) ; |
| 743 | #endif |
| 744 | if ( sck->m_endpoint == kOTInvalidEndpointRef || err != kOTNoError ) |
| 745 | { |
| 746 | sck->m_endpoint = kOTInvalidEndpointRef ; |
| 747 | sck->m_error = GSOCK_IOERR; |
| 748 | return GSOCK_IOERR; |
| 749 | } |
| 750 | err = OTBind( sck->m_endpoint , nil , nil ) ; |
| 751 | if ( err != kOTNoError ) |
| 752 | { |
| 753 | return GSOCK_IOERR; |
| 754 | } |
| 755 | SetDefaultEndpointModes( sck->m_endpoint , sck ) ; |
| 756 | // TODO |
| 757 | #if 0 |
| 758 | ioctl(sck->m_endpoint, FIONBIO, &arg); |
| 759 | #endif |
| 760 | _GSocket_Enable_Events(sck); |
| 761 | |
| 762 | _GAddress_translate_to( sck->m_peer , &addr ) ; |
| 763 | memset( &peer , 0 , sizeof( TCall ) ) ; |
| 764 | peer.addr.len = sizeof( InetAddress ) ; |
| 765 | peer.addr.buf = (unsigned char*) &addr ; |
| 766 | err = OTConnect( sck->m_endpoint , &peer , nil ) ; |
| 767 | if ( err != noErr ) |
| 768 | { |
| 769 | /* If connect failed with EINPROGRESS and the GSocket object |
| 770 | * is in blocking mode, we select() for the specified timeout |
| 771 | * checking for writability to see if the connection request |
| 772 | * completes. |
| 773 | */ |
| 774 | |
| 775 | if ((err == kOTNoDataErr ) && (!sck->m_non_blocking)) |
| 776 | { |
| 777 | if (_GSocket_Output_Timeout(sck) == GSOCK_TIMEDOUT) |
| 778 | { |
| 779 | OTSndOrderlyDisconnect( sck->m_endpoint ) ; |
| 780 | sck->m_endpoint = kOTInvalidEndpointRef ; |
| 781 | /* sck->m_error is set in _GSocket_Output_Timeout */ |
| 782 | return GSOCK_TIMEDOUT; |
| 783 | } |
| 784 | else |
| 785 | { |
| 786 | /* |
| 787 | int error; |
| 788 | SOCKLEN_T len = sizeof(error); |
| 789 | |
| 790 | getsockopt(sck->m_endpoint, SOL_SOCKET, SO_ERROR, (void*) &error, &len); |
| 791 | |
| 792 | if (!error) |
| 793 | */ |
| 794 | return GSOCK_NOERROR; |
| 795 | } |
| 796 | } |
| 797 | |
| 798 | /* If connect failed with EINPROGRESS and the GSocket object |
| 799 | * is set to nonblocking, we set m_error to GSOCK_WOULDBLOCK |
| 800 | * (and return GSOCK_WOULDBLOCK) but we don't close the socket; |
| 801 | * this way if the connection completes, a GSOCK_CONNECTION |
| 802 | * event will be generated, if enabled. |
| 803 | */ |
| 804 | if ((err == kOTNoDataErr) && (sck->m_non_blocking)) |
| 805 | { |
| 806 | sck->m_error = GSOCK_WOULDBLOCK; |
| 807 | return GSOCK_WOULDBLOCK; |
| 808 | } |
| 809 | |
| 810 | /* If connect failed with an error other than EINPROGRESS, |
| 811 | * then the call to GSocket_Connect has failed. |
| 812 | */ |
| 813 | OTSndOrderlyDisconnect( sck->m_endpoint ) ; |
| 814 | |
| 815 | sck->m_endpoint = kOTInvalidEndpointRef ; |
| 816 | sck->m_error = GSOCK_IOERR; |
| 817 | return GSOCK_IOERR; |
| 818 | } |
| 819 | // OTInetEventHandler(sck, T_CONNECT , kOTNoError , NULL ) ; |
| 820 | return GSOCK_NOERROR; |
| 821 | } |
| 822 | |
| 823 | /* Generic IO */ |
| 824 | |
| 825 | /* Like recv(), send(), ... */ |
| 826 | int GSocket_Read(GSocket *socket, char *buffer, int size) |
| 827 | { |
| 828 | int ret = 0 ; |
| 829 | |
| 830 | assert(socket != NULL); |
| 831 | |
| 832 | /* Reenable INPUT events */ |
| 833 | socket->m_detected &= ~GSOCK_INPUT_FLAG; |
| 834 | |
| 835 | if (socket->m_endpoint == kOTInvalidEndpointRef || socket->m_server) |
| 836 | { |
| 837 | socket->m_error = GSOCK_INVSOCK; |
| 838 | return -1; |
| 839 | } |
| 840 | |
| 841 | /* If the socket is blocking, wait for data (with a timeout) */ |
| 842 | if (_GSocket_Input_Timeout(socket) == GSOCK_TIMEDOUT) |
| 843 | return -1; |
| 844 | |
| 845 | /* Read the data */ |
| 846 | if (socket->m_stream) |
| 847 | ret = _GSocket_Recv_Stream(socket, buffer, size); |
| 848 | else |
| 849 | ret = _GSocket_Recv_Dgram(socket, buffer, size); |
| 850 | |
| 851 | if (ret == -1) |
| 852 | { |
| 853 | if (errno == EWOULDBLOCK) |
| 854 | socket->m_error = GSOCK_WOULDBLOCK; |
| 855 | else |
| 856 | socket->m_error = GSOCK_IOERR; |
| 857 | } |
| 858 | |
| 859 | return ret; |
| 860 | } |
| 861 | |
| 862 | int GSocket_Write(GSocket *socket, const char *buffer, int size) |
| 863 | { |
| 864 | int ret; |
| 865 | |
| 866 | assert(socket != NULL); |
| 867 | |
| 868 | if (socket->m_endpoint == kOTInvalidEndpointRef || socket->m_server) |
| 869 | { |
| 870 | socket->m_error = GSOCK_INVSOCK; |
| 871 | return -1; |
| 872 | } |
| 873 | |
| 874 | /* If the socket is blocking, wait for writability (with a timeout) */ |
| 875 | if (_GSocket_Output_Timeout(socket) == GSOCK_TIMEDOUT) |
| 876 | return -1; |
| 877 | |
| 878 | /* Write the data */ |
| 879 | if (socket->m_stream) |
| 880 | ret = _GSocket_Send_Stream(socket, buffer, size); |
| 881 | else |
| 882 | ret = _GSocket_Send_Dgram(socket, buffer, size); |
| 883 | |
| 884 | if (ret == -1) |
| 885 | { |
| 886 | if (errno == EWOULDBLOCK) |
| 887 | socket->m_error = GSOCK_WOULDBLOCK; |
| 888 | else |
| 889 | socket->m_error = GSOCK_IOERR; |
| 890 | |
| 891 | /* Only reenable OUTPUT events after an error (just like WSAAsyncSelect |
| 892 | * in MSW). Once the first OUTPUT event is received, users can assume |
| 893 | * that the socket is writable until a read operation fails. Only then |
| 894 | * will further OUTPUT events be posted. |
| 895 | */ |
| 896 | socket->m_detected &= ~GSOCK_OUTPUT_FLAG; |
| 897 | return -1; |
| 898 | } |
| 899 | |
| 900 | return ret; |
| 901 | } |
| 902 | |
| 903 | /* GSocket_Select: |
| 904 | * Polls the socket to determine its status. This function will |
| 905 | * check for the events specified in the 'flags' parameter, and |
| 906 | * it will return a mask indicating which operations can be |
| 907 | * performed. This function won't block, regardless of the |
| 908 | * mode (blocking | nonblocking) of the socket. |
| 909 | */ |
| 910 | GSocketEventFlags GSocket_Select(GSocket *socket, GSocketEventFlags flags) |
| 911 | { |
| 912 | OTResult state ; |
| 913 | assert(socket != NULL); |
| 914 | wxMacProcessNotifierEvents() ; |
| 915 | /* |
| 916 | state = OTGetEndpointState(socket->m_endpoint); |
| 917 | |
| 918 | if ( ( flags & GSOCK_INPUT_FLAG ) && ! ( socket->m_detected & GSOCK_INPUT_FLAG ) ) |
| 919 | { |
| 920 | size_t sz = 0 ; |
| 921 | OTCountDataBytes( socket->m_endpoint , &sz ) ; |
| 922 | if ( state == T_INCON || sz > 0 ) |
| 923 | { |
| 924 | socket->m_detected |= GSOCK_INPUT_FLAG ; |
| 925 | (socket->m_cbacks[GSOCK_INPUT])(socket, GSOCK_INPUT, socket->m_data[GSOCK_INPUT]); |
| 926 | } |
| 927 | } |
| 928 | if ( ( flags & GSOCK_INPUT_FLAG ) && ! ( socket->m_detected & GSOCK_OUTPUT_FLAG ) ) |
| 929 | { |
| 930 | if ( state == T_DATAXFER || state == T_INREL ) |
| 931 | { |
| 932 | socket->m_detected |=GSOCK_OUTPUT_FLAG ; |
| 933 | (socket->m_cbacks[GSOCK_OUTPUT])(socket, GSOCK_OUTPUT, socket->m_data[GSOCK_OUTPUT]); |
| 934 | } |
| 935 | } |
| 936 | */ |
| 937 | return ( flags & socket->m_detected ) ; |
| 938 | } |
| 939 | |
| 940 | /* Flags */ |
| 941 | |
| 942 | /* GSocket_SetNonBlocking: |
| 943 | * Sets the socket to non-blocking mode. All IO calls will return |
| 944 | * immediately. |
| 945 | */ |
| 946 | void GSocket_SetNonBlocking(GSocket *socket, int non_block) |
| 947 | { |
| 948 | assert(socket != NULL); |
| 949 | |
| 950 | socket->m_non_blocking = non_block; |
| 951 | } |
| 952 | |
| 953 | /* GSocket_SetTimeout: |
| 954 | * Sets the timeout for blocking calls. Time is expressed in |
| 955 | * milliseconds. |
| 956 | */ |
| 957 | void GSocket_SetTimeout(GSocket *socket, unsigned long millisec) |
| 958 | { |
| 959 | assert(socket != NULL); |
| 960 | |
| 961 | socket->m_timeout = millisec; |
| 962 | } |
| 963 | |
| 964 | /* GSocket_GetError: |
| 965 | * Returns the last error occured for this socket. Note that successful |
| 966 | * operations do not clear this back to GSOCK_NOERROR, so use it only |
| 967 | * after an error. |
| 968 | */ |
| 969 | GSocketError GSocket_GetError(GSocket *socket) |
| 970 | { |
| 971 | assert(socket != NULL); |
| 972 | |
| 973 | return socket->m_error; |
| 974 | } |
| 975 | |
| 976 | /* Callbacks */ |
| 977 | |
| 978 | /* GSOCK_INPUT: |
| 979 | * There is data to be read in the input buffer. If, after a read |
| 980 | * operation, there is still data available, the callback function will |
| 981 | * be called again. |
| 982 | * GSOCK_OUTPUT: |
| 983 | * The socket is available for writing. That is, the next write call |
| 984 | * won't block. This event is generated only once, when the connection is |
| 985 | * first established, and then only if a call failed with GSOCK_WOULDBLOCK, |
| 986 | * when the output buffer empties again. This means that the app should |
| 987 | * assume that it can write since the first OUTPUT event, and no more |
| 988 | * OUTPUT events will be generated unless an error occurs. |
| 989 | * GSOCK_CONNECTION: |
| 990 | * Connection succesfully established, for client sockets, or incoming |
| 991 | * client connection, for server sockets. Wait for this event (also watch |
| 992 | * out for GSOCK_LOST) after you issue a nonblocking GSocket_Connect() call. |
| 993 | * GSOCK_LOST: |
| 994 | * The connection is lost (or a connection request failed); this could |
| 995 | * be due to a failure, or due to the peer closing it gracefully. |
| 996 | */ |
| 997 | |
| 998 | /* GSocket_SetCallback: |
| 999 | * Enables the callbacks specified by 'flags'. Note that 'flags' |
| 1000 | * may be a combination of flags OR'ed toghether, so the same |
| 1001 | * callback function can be made to accept different events. |
| 1002 | * The callback function must have the following prototype: |
| 1003 | * |
| 1004 | * void function(GSocket *socket, GSocketEvent event, char *cdata) |
| 1005 | */ |
| 1006 | void GSocket_SetCallback(GSocket *socket, GSocketEventFlags flags, |
| 1007 | GSocketCallback callback, char *cdata) |
| 1008 | { |
| 1009 | int count; |
| 1010 | |
| 1011 | assert(socket != NULL); |
| 1012 | |
| 1013 | for (count = 0; count < GSOCK_MAX_EVENT; count++) |
| 1014 | { |
| 1015 | if ((flags & (1 << count)) != 0) |
| 1016 | { |
| 1017 | socket->m_cbacks[count] = callback; |
| 1018 | socket->m_data[count] = cdata; |
| 1019 | } |
| 1020 | } |
| 1021 | } |
| 1022 | |
| 1023 | /* GSocket_UnsetCallback: |
| 1024 | * Disables all callbacks specified by 'flags', which may be a |
| 1025 | * combination of flags OR'ed toghether. |
| 1026 | */ |
| 1027 | void GSocket_UnsetCallback(GSocket *socket, GSocketEventFlags flags) |
| 1028 | { |
| 1029 | int count; |
| 1030 | |
| 1031 | assert(socket != NULL); |
| 1032 | |
| 1033 | for (count = 0; count < GSOCK_MAX_EVENT; count++) |
| 1034 | { |
| 1035 | if ((flags & (1 << count)) != 0) |
| 1036 | { |
| 1037 | socket->m_cbacks[count] = NULL; |
| 1038 | socket->m_data[count] = NULL; |
| 1039 | } |
| 1040 | } |
| 1041 | } |
| 1042 | |
| 1043 | |
| 1044 | #define CALL_CALLBACK(socket, event) { \ |
| 1045 | _GSocket_Disable(socket, event); \ |
| 1046 | if (socket->m_cbacks[event]) \ |
| 1047 | socket->m_cbacks[event](socket, event, socket->m_data[event]); \ |
| 1048 | } |
| 1049 | |
| 1050 | int _GSocket_Recv_Stream(GSocket *socket, char *buffer, int size) |
| 1051 | { |
| 1052 | OTFlags flags ; |
| 1053 | OTResult res ; |
| 1054 | OTByteCount sz = 0 ; |
| 1055 | |
| 1056 | OTCountDataBytes( socket->m_endpoint , &sz ) ; |
| 1057 | res = OTRcv( socket->m_endpoint , buffer , size , &flags ) ; |
| 1058 | if ( res < 0 ) |
| 1059 | { |
| 1060 | return -1 ; |
| 1061 | } |
| 1062 | |
| 1063 | // we simulate another read event if there are still bytes |
| 1064 | if ( socket->m_takesEvents ) |
| 1065 | { |
| 1066 | OTByteCount sz = 0 ; |
| 1067 | OTCountDataBytes( socket->m_endpoint , &sz ) ; |
| 1068 | if ( sz > 0 ) |
| 1069 | { |
| 1070 | socket->m_detected |= GSOCK_INPUT_FLAG ; |
| 1071 | (socket->m_cbacks[GSOCK_INPUT])(socket, GSOCK_INPUT, socket->m_data[GSOCK_INPUT]); |
| 1072 | } |
| 1073 | } |
| 1074 | return res ; |
| 1075 | } |
| 1076 | |
| 1077 | int _GSocket_Recv_Dgram(GSocket *socket, char *buffer, int size) |
| 1078 | { |
| 1079 | // TODO |
| 1080 | int ret = -1; |
| 1081 | #if 0 |
| 1082 | struct sockaddr from; |
| 1083 | SOCKLEN_T fromlen = sizeof(from); |
| 1084 | GSocketError err; |
| 1085 | |
| 1086 | fromlen = sizeof(from); |
| 1087 | |
| 1088 | ret = recvfrom(socket->m_endpoint, buffer, size, 0, &from, (SOCKLEN_T *) &fromlen); |
| 1089 | |
| 1090 | if (ret == -1) |
| 1091 | return -1; |
| 1092 | |
| 1093 | /* Translate a system address into a GSocket address */ |
| 1094 | if (!socket->m_peer) |
| 1095 | { |
| 1096 | socket->m_peer = GAddress_new(); |
| 1097 | if (!socket->m_peer) |
| 1098 | { |
| 1099 | socket->m_error = GSOCK_MEMERR; |
| 1100 | return -1; |
| 1101 | } |
| 1102 | } |
| 1103 | err = _GAddress_translate_from(socket->m_peer, &from, fromlen); |
| 1104 | if (err != GSOCK_NOERROR) |
| 1105 | { |
| 1106 | GAddress_destroy(socket->m_peer); |
| 1107 | socket->m_peer = NULL; |
| 1108 | socket->m_error = err; |
| 1109 | return -1; |
| 1110 | } |
| 1111 | #endif |
| 1112 | return ret; |
| 1113 | } |
| 1114 | |
| 1115 | int _GSocket_Send_Stream(GSocket *socket, const char *buffer, int size) |
| 1116 | { |
| 1117 | OTFlags flags = 0 ; |
| 1118 | OTResult res ; |
| 1119 | |
| 1120 | res = OTSnd( socket->m_endpoint , (void*) buffer , size , flags ) ; |
| 1121 | return res ; |
| 1122 | } |
| 1123 | |
| 1124 | int _GSocket_Send_Dgram(GSocket *socket, const char *buffer, int size) |
| 1125 | { |
| 1126 | int ret = -1 ; |
| 1127 | // TODO |
| 1128 | #if 0 |
| 1129 | struct sockaddr *addr; |
| 1130 | int len ; |
| 1131 | GSocketError err; |
| 1132 | |
| 1133 | if (!socket->m_peer) |
| 1134 | { |
| 1135 | socket->m_error = GSOCK_INVADDR; |
| 1136 | return -1; |
| 1137 | } |
| 1138 | |
| 1139 | err = _GAddress_translate_to(socket->m_peer, &addr, &len); |
| 1140 | if (err != GSOCK_NOERROR) |
| 1141 | { |
| 1142 | socket->m_error = err; |
| 1143 | return -1; |
| 1144 | } |
| 1145 | |
| 1146 | ret = sendto(socket->m_endpoint, buffer, size, 0, addr, len); |
| 1147 | |
| 1148 | /* Frees memory allocated from _GAddress_translate_to */ |
| 1149 | free(addr); |
| 1150 | #endif |
| 1151 | return ret; |
| 1152 | } |
| 1153 | |
| 1154 | |
| 1155 | /* |
| 1156 | * ------------------------------------------------------------------------- |
| 1157 | * GAddress |
| 1158 | * ------------------------------------------------------------------------- |
| 1159 | */ |
| 1160 | |
| 1161 | /* CHECK_ADDRESS verifies that the current family is either GSOCK_NOFAMILY |
| 1162 | * or GSOCK_*family*, and if it is GSOCK_NOFAMILY, it initalizes address |
| 1163 | * to be a GSOCK_*family*. In other cases, it returns GSOCK_INVADDR. |
| 1164 | */ |
| 1165 | #define CHECK_ADDRESS(address, family, retval) \ |
| 1166 | { \ |
| 1167 | if (address->m_family == GSOCK_NOFAMILY) \ |
| 1168 | if (_GAddress_Init_##family(address) != GSOCK_NOERROR) \ |
| 1169 | return address->m_error; \ |
| 1170 | if (address->m_family != GSOCK_##family) \ |
| 1171 | { \ |
| 1172 | address->m_error = GSOCK_INVADDR; \ |
| 1173 | return retval; \ |
| 1174 | } \ |
| 1175 | } |
| 1176 | |
| 1177 | GAddress *GAddress_new() |
| 1178 | { |
| 1179 | GAddress *address; |
| 1180 | |
| 1181 | if ((address = (GAddress *) malloc(sizeof(GAddress))) == NULL) |
| 1182 | return NULL; |
| 1183 | |
| 1184 | address->m_family = GSOCK_NOFAMILY; |
| 1185 | address->m_host = INADDR_NONE ; |
| 1186 | address->m_port = 0 ; |
| 1187 | |
| 1188 | return address; |
| 1189 | } |
| 1190 | |
| 1191 | GAddress *GAddress_copy(GAddress *address) |
| 1192 | { |
| 1193 | GAddress *addr2; |
| 1194 | |
| 1195 | assert(address != NULL); |
| 1196 | |
| 1197 | if ((addr2 = (GAddress *) malloc(sizeof(GAddress))) == NULL) |
| 1198 | return NULL; |
| 1199 | |
| 1200 | memcpy(addr2, address, sizeof(GAddress)); |
| 1201 | return addr2; |
| 1202 | } |
| 1203 | |
| 1204 | void GAddress_destroy(GAddress *address) |
| 1205 | { |
| 1206 | assert(address != NULL); |
| 1207 | |
| 1208 | free(address); |
| 1209 | } |
| 1210 | |
| 1211 | void GAddress_SetFamily(GAddress *address, GAddressType type) |
| 1212 | { |
| 1213 | assert(address != NULL); |
| 1214 | |
| 1215 | address->m_family = type; |
| 1216 | } |
| 1217 | |
| 1218 | GAddressType GAddress_GetFamily(GAddress *address) |
| 1219 | { |
| 1220 | assert(address != NULL); |
| 1221 | |
| 1222 | return address->m_family; |
| 1223 | } |
| 1224 | |
| 1225 | GSocketError _GAddress_translate_from(GAddress *address, |
| 1226 | InetAddress *addr) |
| 1227 | { |
| 1228 | switch (addr->fAddressType) |
| 1229 | { |
| 1230 | case AF_INET: |
| 1231 | address->m_family = GSOCK_INET; |
| 1232 | break; |
| 1233 | #ifdef AF_INET6 |
| 1234 | case AF_INET6: |
| 1235 | address->m_family = GSOCK_INET6; |
| 1236 | break; |
| 1237 | #endif |
| 1238 | default: |
| 1239 | { |
| 1240 | address->m_error = GSOCK_INVOP; |
| 1241 | return GSOCK_INVOP; |
| 1242 | } |
| 1243 | } |
| 1244 | address->m_host = addr->fHost ; |
| 1245 | address->m_port = addr->fPort ; |
| 1246 | return GSOCK_NOERROR; |
| 1247 | } |
| 1248 | |
| 1249 | GSocketError _GAddress_translate_to(GAddress *address, |
| 1250 | InetAddress *addr) |
| 1251 | { |
| 1252 | memset(addr, 0 , sizeof(struct InetAddress)); |
| 1253 | OTInitInetAddress( addr , address->m_port , address->m_host ) ; |
| 1254 | return GSOCK_NOERROR; |
| 1255 | } |
| 1256 | |
| 1257 | /* |
| 1258 | * ------------------------------------------------------------------------- |
| 1259 | * Internet address family |
| 1260 | * ------------------------------------------------------------------------- |
| 1261 | */ |
| 1262 | |
| 1263 | GSocketError _GAddress_Init_INET(GAddress *address) |
| 1264 | { |
| 1265 | address->m_family = GSOCK_INET; |
| 1266 | address->m_host = kOTAnyInetAddress ; |
| 1267 | |
| 1268 | return GSOCK_NOERROR; |
| 1269 | } |
| 1270 | |
| 1271 | GSocketError GAddress_INET_SetHostName(GAddress *address, const char *hostname) |
| 1272 | { |
| 1273 | InetHostInfo hinfo ; |
| 1274 | OSStatus ret ; |
| 1275 | |
| 1276 | assert(address != NULL); |
| 1277 | |
| 1278 | CHECK_ADDRESS(address, INET, GSOCK_INVADDR); |
| 1279 | ret = OTInetStringToAddress( gInetSvcRef , (char*) hostname , &hinfo ) ; |
| 1280 | if ( ret != kOTNoError ) |
| 1281 | { |
| 1282 | address->m_host = INADDR_NONE ; |
| 1283 | address->m_error = GSOCK_NOHOST; |
| 1284 | return GSOCK_NOHOST; |
| 1285 | } |
| 1286 | address->m_host = hinfo.addrs[0] ; |
| 1287 | return GSOCK_NOERROR; |
| 1288 | } |
| 1289 | |
| 1290 | GSocketError GAddress_INET_SetAnyAddress(GAddress *address) |
| 1291 | { |
| 1292 | return GAddress_INET_SetHostAddress(address, INADDR_ANY); |
| 1293 | } |
| 1294 | |
| 1295 | GSocketError GAddress_INET_SetHostAddress(GAddress *address, |
| 1296 | unsigned long hostaddr) |
| 1297 | { |
| 1298 | struct in_addr *addr; |
| 1299 | |
| 1300 | assert(address != NULL); |
| 1301 | |
| 1302 | CHECK_ADDRESS(address, INET, GSOCK_INVADDR); |
| 1303 | |
| 1304 | address->m_host = hostaddr ; |
| 1305 | |
| 1306 | return GSOCK_NOERROR; |
| 1307 | } |
| 1308 | |
| 1309 | struct service_entry |
| 1310 | { |
| 1311 | char * name ; |
| 1312 | unsigned short port ; |
| 1313 | char * protocol ; |
| 1314 | } ; |
| 1315 | typedef struct service_entry service_entry ; |
| 1316 | |
| 1317 | service_entry gServices[] = |
| 1318 | { |
| 1319 | { "http" , 80 , "tcp" } |
| 1320 | } ; |
| 1321 | |
| 1322 | GSocketError GAddress_INET_SetPortName(GAddress *address, const char *port, |
| 1323 | const char *protocol) |
| 1324 | { |
| 1325 | InetAddress *addr; |
| 1326 | int i ; |
| 1327 | |
| 1328 | assert(address != NULL); |
| 1329 | CHECK_ADDRESS(address, INET, GSOCK_INVADDR); |
| 1330 | |
| 1331 | if (!port) |
| 1332 | { |
| 1333 | address->m_error = GSOCK_INVPORT; |
| 1334 | return GSOCK_INVPORT; |
| 1335 | } |
| 1336 | for ( i = 0 ; i < sizeof( gServices) / sizeof( service_entry ) ; ++i ) |
| 1337 | { |
| 1338 | if ( strcmp( port , gServices[i].name ) == 0 ) |
| 1339 | { |
| 1340 | if ( protocol == NULL || strcmp( protocol , gServices[i].protocol ) ) |
| 1341 | { |
| 1342 | address->m_port = gServices[i].port ; |
| 1343 | return GSOCK_NOERROR; |
| 1344 | } |
| 1345 | } |
| 1346 | } |
| 1347 | |
| 1348 | if (isdigit(port[0])) |
| 1349 | { |
| 1350 | address->m_port = atoi(port); |
| 1351 | return GSOCK_NOERROR; |
| 1352 | } |
| 1353 | |
| 1354 | address->m_error = GSOCK_INVPORT; |
| 1355 | return GSOCK_INVPORT; |
| 1356 | } |
| 1357 | |
| 1358 | GSocketError GAddress_INET_SetPort(GAddress *address, unsigned short port) |
| 1359 | { |
| 1360 | InetAddress *addr; |
| 1361 | |
| 1362 | assert(address != NULL); |
| 1363 | CHECK_ADDRESS(address, INET, GSOCK_INVADDR); |
| 1364 | address->m_port = port ; |
| 1365 | |
| 1366 | return GSOCK_NOERROR; |
| 1367 | } |
| 1368 | |
| 1369 | GSocketError GAddress_INET_GetHostName(GAddress *address, char *hostname, size_t sbuf) |
| 1370 | { |
| 1371 | InetDomainName name ; |
| 1372 | |
| 1373 | assert(address != NULL); |
| 1374 | CHECK_ADDRESS(address, INET, GSOCK_INVADDR); |
| 1375 | |
| 1376 | OTInetAddressToName( gInetSvcRef , address->m_host , name ) ; |
| 1377 | strncpy( hostname , name , sbuf ) ; |
| 1378 | return GSOCK_NOERROR; |
| 1379 | } |
| 1380 | |
| 1381 | unsigned long GAddress_INET_GetHostAddress(GAddress *address) |
| 1382 | { |
| 1383 | assert(address != NULL); |
| 1384 | CHECK_ADDRESS(address, INET, 0); |
| 1385 | |
| 1386 | return address->m_host; |
| 1387 | } |
| 1388 | |
| 1389 | unsigned short GAddress_INET_GetPort(GAddress *address) |
| 1390 | { |
| 1391 | assert(address != NULL); |
| 1392 | CHECK_ADDRESS(address, INET, 0); |
| 1393 | |
| 1394 | return address->m_port; |
| 1395 | } |
| 1396 | |
| 1397 | void _GSocket_Enable_Events(GSocket *socket) |
| 1398 | { |
| 1399 | if ( socket->m_takesEvents ) |
| 1400 | return ; |
| 1401 | |
| 1402 | { |
| 1403 | OTResult state ; |
| 1404 | socket->m_takesEvents = TRUE ; |
| 1405 | state = OTGetEndpointState(socket->m_endpoint); |
| 1406 | |
| 1407 | { |
| 1408 | OTByteCount sz = 0 ; |
| 1409 | OTCountDataBytes( socket->m_endpoint , &sz ) ; |
| 1410 | if ( state == T_INCON || sz > 0 ) |
| 1411 | { |
| 1412 | socket->m_detected |= GSOCK_INPUT_FLAG ; |
| 1413 | (socket->m_cbacks[GSOCK_INPUT])(socket, GSOCK_INPUT, socket->m_data[GSOCK_INPUT]); |
| 1414 | } |
| 1415 | } |
| 1416 | { |
| 1417 | if ( state == T_DATAXFER || state == T_INREL ) |
| 1418 | { |
| 1419 | socket->m_detected |=GSOCK_OUTPUT_FLAG ; |
| 1420 | (socket->m_cbacks[GSOCK_OUTPUT])(socket, GSOCK_OUTPUT, socket->m_data[GSOCK_OUTPUT]); |
| 1421 | } |
| 1422 | } |
| 1423 | } |
| 1424 | } |
| 1425 | |
| 1426 | void _GSocket_Disable_Events(GSocket *socket) |
| 1427 | { |
| 1428 | socket->m_takesEvents = FALSE ; |
| 1429 | } |
| 1430 | |
| 1431 | /* _GSocket_Input_Timeout: |
| 1432 | * For blocking sockets, wait until data is available or |
| 1433 | * until timeout ellapses. |
| 1434 | */ |
| 1435 | GSocketError _GSocket_Input_Timeout(GSocket *socket) |
| 1436 | { |
| 1437 | if ( !socket->m_non_blocking ) |
| 1438 | { |
| 1439 | UnsignedWide now , start ; |
| 1440 | short formerTakesEvents = socket->m_takesEvents ; |
| 1441 | Microseconds(&start); |
| 1442 | now = start ; |
| 1443 | socket->m_takesEvents = FALSE ; |
| 1444 | |
| 1445 | while( (now.hi * 4294967296.0 + now.lo) - (start.hi * 4294967296.0 + start.lo) < socket->m_timeout * 1000.0 ) |
| 1446 | { |
| 1447 | OTResult state ; |
| 1448 | OTByteCount sz = 0 ; |
| 1449 | state = OTGetEndpointState(socket->m_endpoint); |
| 1450 | |
| 1451 | OTCountDataBytes( socket->m_endpoint , &sz ) ; |
| 1452 | if ( state == T_INCON || sz > 0 ) |
| 1453 | { |
| 1454 | socket->m_takesEvents = formerTakesEvents ; |
| 1455 | return GSOCK_NOERROR; |
| 1456 | } |
| 1457 | Microseconds(&now); |
| 1458 | } |
| 1459 | socket->m_takesEvents = formerTakesEvents ; |
| 1460 | socket->m_error = GSOCK_TIMEDOUT; |
| 1461 | return GSOCK_TIMEDOUT; |
| 1462 | } |
| 1463 | return GSOCK_NOERROR; |
| 1464 | } |
| 1465 | |
| 1466 | /* _GSocket_Output_Timeout: |
| 1467 | * For blocking sockets, wait until data can be sent without |
| 1468 | * blocking or until timeout ellapses. |
| 1469 | */ |
| 1470 | GSocketError _GSocket_Output_Timeout(GSocket *socket) |
| 1471 | { |
| 1472 | if ( !socket->m_non_blocking ) |
| 1473 | { |
| 1474 | UnsignedWide now , start ; |
| 1475 | short formerTakesEvents = socket->m_takesEvents ; |
| 1476 | Microseconds(&start); |
| 1477 | now = start ; |
| 1478 | socket->m_takesEvents = FALSE ; |
| 1479 | |
| 1480 | while( (now.hi * 4294967296.0 + now.lo) - (start.hi * 4294967296.0 + start.lo) < socket->m_timeout * 1000.0 ) |
| 1481 | { |
| 1482 | OTResult state ; |
| 1483 | state = OTGetEndpointState(socket->m_endpoint); |
| 1484 | |
| 1485 | if ( state == T_DATAXFER || state == T_INREL ) |
| 1486 | { |
| 1487 | socket->m_takesEvents = formerTakesEvents ; |
| 1488 | return GSOCK_NOERROR; |
| 1489 | } |
| 1490 | Microseconds(&now); |
| 1491 | } |
| 1492 | socket->m_takesEvents = formerTakesEvents ; |
| 1493 | socket->m_error = GSOCK_TIMEDOUT; |
| 1494 | return GSOCK_TIMEDOUT; |
| 1495 | } |
| 1496 | return GSOCK_NOERROR; |
| 1497 | } |
| 1498 | |
| 1499 | /* GSOCK_INPUT: |
| 1500 | * There is data to be read in the input buffer. If, after a read |
| 1501 | * operation, there is still data available, the callback function will |
| 1502 | * be called again. |
| 1503 | * GSOCK_OUTPUT: |
| 1504 | * The socket is available for writing. That is, the next write call |
| 1505 | * won't block. This event is generated only once, when the connection is |
| 1506 | * first established, and then only if a call failed with GSOCK_WOULDBLOCK, |
| 1507 | * when the output buffer empties again. This means that the app should |
| 1508 | * assume that it can write since the first OUTPUT event, and no more |
| 1509 | * OUTPUT events will be generated unless an error occurs. |
| 1510 | * GSOCK_CONNECTION: |
| 1511 | * Connection succesfully established, for client sockets, or incoming |
| 1512 | * client connection, for server sockets. Wait for this event (also watch |
| 1513 | * out for GSOCK_LOST) after you issue a nonblocking GSocket_Connect() call. |
| 1514 | * GSOCK_LOST: |
| 1515 | * The connection is lost (or a connection request failed); this could |
| 1516 | * be due to a failure, or due to the peer closing it gracefully. |
| 1517 | */ |
| 1518 | |
| 1519 | void _GSocket_Internal_Proc(unsigned long e , void* d ) |
| 1520 | { |
| 1521 | |
| 1522 | GSocket * socket = (GSocket*) d ; |
| 1523 | OTEventCode ev = (OTEventCode) e ; |
| 1524 | GSocketEvent event; |
| 1525 | GSocketEvent event2; |
| 1526 | GSocketCallback cback; |
| 1527 | char *data; |
| 1528 | GSocketCallback cback2; |
| 1529 | char *data2; |
| 1530 | |
| 1531 | if ( !socket ) |
| 1532 | return ; |
| 1533 | event = GSOCK_MAX_EVENT ; |
| 1534 | event2 = GSOCK_MAX_EVENT ; |
| 1535 | cback = NULL; |
| 1536 | data = NULL; |
| 1537 | cback2 = NULL; |
| 1538 | data2 = NULL; |
| 1539 | |
| 1540 | /* Check that the socket still exists (it has not been |
| 1541 | * destroyed) and for safety, check that the m_endpoint field |
| 1542 | * is what we expect it to be. |
| 1543 | */ |
| 1544 | if ((socket != NULL) && (socket->m_takesEvents)) |
| 1545 | { |
| 1546 | switch (ev) |
| 1547 | { |
| 1548 | case T_LISTEN : |
| 1549 | event = GSOCK_CONNECTION ; |
| 1550 | break ; |
| 1551 | case T_CONNECT : |
| 1552 | event = GSOCK_CONNECTION ; |
| 1553 | event2 = GSOCK_OUTPUT ; |
| 1554 | { |
| 1555 | TCall retCall; |
| 1556 | |
| 1557 | retCall.addr.buf = NULL; |
| 1558 | retCall.addr.maxlen = 0; |
| 1559 | retCall.opt.buf = NULL; |
| 1560 | retCall.opt.maxlen = 0; |
| 1561 | retCall.udata.buf = NULL; |
| 1562 | retCall.udata.maxlen= 0; |
| 1563 | OTRcvConnect( socket->m_endpoint , &retCall ) ; |
| 1564 | } |
| 1565 | break ; |
| 1566 | case T_DISCONNECT : |
| 1567 | event = GSOCK_LOST ; |
| 1568 | break ; |
| 1569 | case T_GODATA : |
| 1570 | case T_GOEXDATA : |
| 1571 | event = GSOCK_OUTPUT ; |
| 1572 | break ; |
| 1573 | case T_DATA : |
| 1574 | event = GSOCK_INPUT ; |
| 1575 | break ; |
| 1576 | case T_EXDATA : |
| 1577 | event = GSOCK_INPUT ; |
| 1578 | break ; |
| 1579 | } |
| 1580 | if (event != GSOCK_MAX_EVENT) |
| 1581 | { |
| 1582 | cback = socket->m_cbacks[event]; |
| 1583 | data = socket->m_data[event]; |
| 1584 | |
| 1585 | if (event == GSOCK_LOST) |
| 1586 | socket->m_detected = GSOCK_LOST_FLAG; |
| 1587 | else |
| 1588 | socket->m_detected |= (1 << event); |
| 1589 | } |
| 1590 | if (event2 != GSOCK_MAX_EVENT) |
| 1591 | { |
| 1592 | cback2 = socket->m_cbacks[event2]; |
| 1593 | data2 = socket->m_data[event2]; |
| 1594 | |
| 1595 | if (event2 == GSOCK_LOST) |
| 1596 | socket->m_detected = GSOCK_LOST_FLAG; |
| 1597 | else |
| 1598 | socket->m_detected |= (1 << event2); |
| 1599 | } |
| 1600 | } |
| 1601 | |
| 1602 | /* OK, we can now leave the critical section because we have |
| 1603 | * already obtained the callback address (we make no further |
| 1604 | * accesses to socket->whatever). However, the app should |
| 1605 | * be prepared to handle events from a socket that has just |
| 1606 | * been closed! |
| 1607 | */ |
| 1608 | |
| 1609 | if (cback != NULL) |
| 1610 | (cback)(socket, event, data); |
| 1611 | if (cback2 != NULL) |
| 1612 | (cback2)(socket, event2, data2); |
| 1613 | |
| 1614 | } |
| 1615 | |
| 1616 | /* Hack added for Mac OS X */ |
| 1617 | GSocketError GAddress_UNIX_GetPath(GAddress *addr, char *path, size_t buf) |
| 1618 | { |
| 1619 | } |
| 1620 | |
| 1621 | GSocketError GAddress_UNIX_SetPath(GAddress *addr, const char *path) |
| 1622 | { |
| 1623 | } |
| 1624 | |
| 1625 | #endif /* wxUSE_SOCKETS || defined(__GSOCKET_STANDALONE__) */ |