src/mac/gsocket.c

   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 #include "wx/platform.h"
  19 #endif
  20
  21 #if wxUSE_SOCKETS || defined(__GSOCKET_STANDALONE__)
  22
  23 #ifdef __DARWIN__
  24   #include <CoreServices/CoreServices.h>
  25
  26   #ifndef FALSE
  27     #define FALSE 0
  28   #endif
  29   #ifndef TRUE
  30     #define TRUE 1
  31   #endif
  32 #else
  33   #include <MacHeaders.c>
  34   #define OTUNIXERRORS 1
  35   #include <OpenTransport.h>
  36   #include <OpenTransportProviders.h>
  37   #include <OpenTptInternet.h>
  38 #endif
  39 #if TARGET_CARBON
  40   #define OTAssert( str , cond ) /* does not exists in Carbon */
  41 #endif
  42
  43 #include <assert.h>
  44 #include <errno.h>
  45 #include <string.h>
  46 #include <unistd.h>
  47 #include <stdio.h>
  48 #include <stdlib.h>
  49 #include <stddef.h>
  50 #include <ctype.h>
  51 #include <utime.h>
  52
  53 /*
  54  * INADDR_BROADCAST is identical to INADDR_NONE which is not defined
  55  * on all unices. INADDR_BROADCAST should be fine to indicate an error.
  56  */
  57 #ifndef INADDR_BROADCAST
  58 #define INADDR_BROADCAST 0xFFFFFFFFUL
  59 #endif
  60 #ifndef INADDR_NONE
  61 #define INADDR_NONE INADDR_BROADCAST
  62 #endif
  63 #ifndef INADDR_ANY
  64 #define INADDR_ANY 0x0UL
  65 #endif
  66 #ifndef __GSOCKET_STANDALONE__
  67
  68 #include "wx/mac/macnotfy.h"
  69 #include "wx/mac/gsockmac.h"
  70 #include "wx/gsocket.h"
  71
  72 #else
  73
  74 #include "gsockmac.h"
  75 #include "gsocket.h"
  76
  77 #endif /* __GSOCKET_STANDALONE__ */
  78
  79 void wxCYield() ;
  80 #ifdef __WXDEBUG__
  81 #define qDebug 1
  82 #define qDebug2 1
  83 extern pascal void OTDebugStr(const char* str);
  84 #endif
  85 #ifndef __DARWIN__
  86   #include <OTDebug.h>
  87 #endif
  88 InetSvcRef gInetSvcRef = 0 ;
  89 int gOTInited = 0 ;
  90 OTNotifyUPP gOTNotifierUPP = NULL ;
  91
  92 OSStatus DoNegotiateIPReuseAddrOption(EndpointRef ep, Boolean enableReuseIPMode);
  93
  94 /* Input: ep - endpointref on which to negotiate the option
  95                         enableReuseIPMode - desired option setting - true/false
  96    Return: kOTNoError indicates that the option was successfully negotiated
  97                         OSStatus is an error if < 0, otherwise, the status field is
  98                         returned and is > 0.
  99
 100         IMPORTANT NOTE: The endpoint is assumed to be in synchronous more, otherwise
 101                         this code will not function as desired
 102 */
 103
 104
 105 OSStatus DoNegotiateIPReuseAddrOption(EndpointRef ep, Boolean enableReuseIPMode)
 106
 107 {
 108         UInt8           buf[kOTFourByteOptionSize];     // define buffer for fourByte Option size
 109         TOption*        opt;                                            // option ptr to make items easier to access
 110         TOptMgmt        req;
 111         TOptMgmt        ret;
 112         OSStatus        err;
 113
 114         if (!OTIsSynchronous(ep))
 115         {
 116                 return (-1);
 117         }
 118         opt = (TOption*)buf;                                    // set option ptr to buffer
 119         req.opt.buf     = buf;
 120         req.opt.len     = sizeof(buf);
 121         req.flags       = T_NEGOTIATE;                          // negotiate for option
 122
 123         ret.opt.buf = buf;
 124         ret.opt.maxlen = kOTFourByteOptionSize;
 125
 126         opt->level      = INET_IP;                                      // dealing with an IP Level function
 127 #ifdef __DARWIN__
 128         opt->name       = kIP_REUSEADDR;
 129 #else
 130         opt->name       = IP_REUSEADDR;
 131 #endif
 132         opt->len        = kOTFourByteOptionSize;
 133         opt->status = 0;
 134         *(UInt32*)opt->value = enableReuseIPMode;               // set the desired option level, true or false
 135
 136         err = OTOptionManagement(ep, &req, &ret);
 137
 138                 // if no error then return the option status value
 139         if (err == kOTNoError)
 140         {
 141                 if (opt->status != T_SUCCESS)
 142                         err = opt->status;
 143                 else
 144                         err = kOTNoError;
 145         }
 146
 147         return err;
 148 }
 149
 150
 151 pascal void OTInetEventHandler(void*s, OTEventCode event, OTResult, void *cookie) ;
 152 pascal void OTInetEventHandler(void*s, OTEventCode event, OTResult result, void *cookie)
 153 {
 154         int wakeUp = true ;
 155         GSocket* sock = (GSocket*) s ;
 156
 157         if ( event == kOTSyncIdleEvent )
 158         {
 159                 YieldToAnyThread() ;
 160                 return ;
 161         }
 162
 163         if ( s )
 164         {
 165                 wxMacAddEvent( sock->m_mac_events , _GSocket_Internal_Proc , event , s , wakeUp ) ;
 166         }
 167
 168         return;
 169 }
 170
 171 static void SetDefaultEndpointModes(EndpointRef ep , void *data )
 172         // This routine sets the supplied endpoint into the default
 173         // mode used in this application.  The specifics are:
 174         // blocking, synchronous, and using synch idle events with
 175         // the standard YieldingNotifier.
 176 {
 177         OSStatus junk = kOTNoError ;
 178         OTAssert ("SetDefaultEndpointModes:invalid ref", ep != kOTInvalidEndpointRef ) ;
 179         junk = OTSetAsynchronous(ep);
 180         OTAssert("SetDefaultEndpointModes: Could not set asynchronous", junk == noErr);
 181 /*
 182         junk = OTSetBlocking(ep);
 183         OTAssert("SetDefaultEndpointModes: Could not set blocking", junk == noErr);
 184         junk = OTSetSynchronous(ep);
 185         OTAssert("SetDefaultEndpointModes: Could not set synchronous", junk == noErr);
 186         junk = OTSetBlocking(ep);
 187         OTAssert("SetDefaultEndpointModes: Could not set blocking", junk == noErr);
 188 */
 189         junk = OTInstallNotifier(ep, gOTNotifierUPP, data);
 190         OTAssert("SetDefaultEndpointModes: Could not install notifier", junk == noErr);
 191 /*
 192         junk = OTUseSyncIdleEvents(ep, true);
 193         OTAssert("SetDefaultEndpointModes: Could not use sync idle events", junk == noErr);
 194 */
 195 }
 196
 197 /* Global initialisers */
 198
 199 int GSocket_Init()
 200 {
 201     return TRUE;
 202 }
 203
 204 int GSocket_Verify_Inited() ;
 205 int GSocket_Verify_Inited()
 206 {
 207     OSStatus err ;
 208 #if TARGET_CARBON
 209     // Marc Newsam: added the clientcontext variable
 210     //              however, documentation is unclear how this works
 211     OTClientContextPtr clientcontext;
 212
 213     if ( gInetSvcRef )
 214       return TRUE ;
 215
 216     InitOpenTransportInContext(kInitOTForApplicationMask, &clientcontext);
 217     gOTInited = 1 ;
 218     gInetSvcRef = OTOpenInternetServicesInContext(kDefaultInternetServicesPath,
 219                                                 NULL, &err, clientcontext);
 220 #else
 221     if ( gInetSvcRef )
 222       return TRUE ;
 223
 224     InitOpenTransport() ;
 225     gOTInited = 1 ;
 226     gInetSvcRef = OTOpenInternetServices(kDefaultInternetServicesPath, NULL, &err);
 227 #endif
 228     if ( gInetSvcRef == NULL ||  err != kOTNoError )
 229     {
 230         OTAssert("Could not open Inet Services", err == noErr);
 231         return FALSE ;
 232     }
 233     gOTNotifierUPP = NewOTNotifyUPP( OTInetEventHandler ) ;
 234     return TRUE ;
 235 }
 236
 237 void GSocket_Cleanup()
 238 {
 239     if ( gOTInited != 0 )
 240     {
 241       if ( gInetSvcRef != NULL )
 242         OTCloseProvider( gInetSvcRef );
 243     #if TARGET_CARBON
 244       CloseOpenTransportInContext( NULL ) ;
 245     #else
 246       CloseOpenTransport() ;
 247     #endif
 248         if ( gOTNotifierUPP )
 249             DisposeOTNotifyUPP( gOTNotifierUPP ) ;
 250     }
 251 }
 252
 253 /* Constructors / Destructors for GSocket */
 254
 255 GSocket *GSocket_new()
 256 {
 257
 258   int i;
 259   GSocket *socket;
 260
 261  if ( GSocket_Verify_Inited() == FALSE )
 262     return NULL ;
 263
 264   socket = (GSocket *)malloc(sizeof(GSocket));
 265
 266   if (socket == NULL)
 267     return NULL;
 268
 269   socket->m_endpoint                  = NULL ;
 270   for (i=0;i<GSOCK_MAX_EVENT;i++)
 271   {
 272     socket->m_cbacks[i]         = NULL;
 273   }
 274   socket->m_detected            = 0;
 275   socket->m_local               = NULL;
 276   socket->m_peer                = NULL;
 277   socket->m_error               = GSOCK_NOERROR;
 278   socket->m_server              = FALSE;
 279   socket->m_stream              = TRUE;
 280   socket->m_non_blocking        = FALSE;
 281   socket->m_timeout             = 1*1000;
 282                                 /* 10 sec * 1000 millisec */
 283   socket->m_takesEvents                 = TRUE ;
 284   socket->m_mac_events                  = wxMacGetNotifierTable() ;
 285   return socket;
 286 }
 287
 288 void GSocket_destroy(GSocket *socket)
 289 {
 290   assert(socket != NULL);
 291
 292   /* Check that the socket is really shutdowned */
 293   if (socket->m_endpoint != kOTInvalidEndpointRef)
 294     GSocket_Shutdown(socket);
 295
 296
 297   /* Destroy private addresses */
 298   if (socket->m_local)
 299     GAddress_destroy(socket->m_local);
 300
 301   if (socket->m_peer)
 302     GAddress_destroy(socket->m_peer);
 303
 304   /* Destroy the socket itself */
 305   free(socket);
 306 }
 307
 308 /* GSocket_Shutdown:
 309  *  Disallow further read/write operations on this socket, close
 310  *  the fd and disable all callbacks.
 311  */
 312 void GSocket_Shutdown(GSocket *socket)
 313 {
 314   OSStatus err ;
 315   int evt;
 316
 317   assert(socket != NULL);
 318
 319   /* If socket has been created, shutdown it */
 320   if (socket->m_endpoint != kOTInvalidEndpointRef )
 321   {
 322     err = OTSndOrderlyDisconnect( socket->m_endpoint ) ;
 323         if ( err != kOTNoError )
 324         {
 325
 326         }
 327     err = OTRcvOrderlyDisconnect( socket->m_endpoint ) ;
 328         err = OTUnbind( socket->m_endpoint ) ;
 329         err = OTCloseProvider( socket->m_endpoint ) ;
 330         socket->m_endpoint = kOTInvalidEndpointRef ;
 331   }
 332
 333   /* Disable GUI callbacks */
 334   for (evt = 0; evt < GSOCK_MAX_EVENT; evt++)
 335     socket->m_cbacks[evt] = NULL;
 336
 337   socket->m_detected = 0;
 338   _GSocket_Disable_Events(socket);
 339   wxMacRemoveAllNotifiersForData( wxMacGetNotifierTable() , socket ) ;
 340 }
 341
 342
 343 /* Address handling */
 344
 345 /* GSocket_SetLocal:
 346  * GSocket_GetLocal:
 347  * GSocket_SetPeer:
 348  * GSocket_GetPeer:
 349  *  Set or get the local or peer address for this socket. The 'set'
 350  *  functions return GSOCK_NOERROR on success, an error code otherwise.
 351  *  The 'get' functions return a pointer to a GAddress object on success,
 352  *  or NULL otherwise, in which case they set the error code of the
 353  *  corresponding GSocket.
 354  *
 355  *  Error codes:
 356  *    GSOCK_INVSOCK - the socket is not valid.
 357  *    GSOCK_INVADDR - the address is not valid.
 358  */
 359 GSocketError GSocket_SetLocal(GSocket *socket, GAddress *address)
 360 {
 361   assert(socket != NULL);
 362
 363   /* the socket must be initialized, or it must be a server */
 364   if ((socket->m_endpoint != kOTInvalidEndpointRef && !socket->m_server))
 365   {
 366     socket->m_error = GSOCK_INVSOCK;
 367     return GSOCK_INVSOCK;
 368   }
 369
 370   /* check address */
 371   if (address == NULL || address->m_family == GSOCK_NOFAMILY)
 372   {
 373     socket->m_error = GSOCK_INVADDR;
 374     return GSOCK_INVADDR;
 375   }
 376
 377   if (socket->m_local)
 378     GAddress_destroy(socket->m_local);
 379
 380   socket->m_local = GAddress_copy(address);
 381
 382   return GSOCK_NOERROR;
 383 }
 384
 385 GSocketError GSocket_SetPeer(GSocket *socket, GAddress *address)
 386 {
 387   assert(socket != NULL);
 388
 389   /* check address */
 390   if (address == NULL || address->m_family == GSOCK_NOFAMILY)
 391   {
 392     socket->m_error = GSOCK_INVADDR;
 393     return GSOCK_INVADDR;
 394   }
 395
 396   if (socket->m_peer)
 397     GAddress_destroy(socket->m_peer);
 398
 399   socket->m_peer = GAddress_copy(address);
 400
 401   return GSOCK_NOERROR;
 402 }
 403
 404 GAddress *GSocket_GetLocal(GSocket *socket)
 405 {
 406   GAddress *address = NULL ;
 407   GSocketError err;
 408   InetAddress loc ;
 409
 410   assert(socket != NULL);
 411
 412   /* try to get it from the m_local var first */
 413   if (socket->m_local)
 414     return GAddress_copy(socket->m_local);
 415
 416   /* else, if the socket is initialized, try getsockname */
 417   if (socket->m_endpoint == kOTInvalidEndpointRef)
 418   {
 419     socket->m_error = GSOCK_INVSOCK;
 420     return NULL;
 421   }
 422
 423
 424 /* we do not support multihoming with this code at the moment
 425    OTGetProtAddress will have to be used then - but we don't have a handy
 426    method to use right now
 427 */
 428   {
 429     InetInterfaceInfo   info;
 430     OTInetGetInterfaceInfo(&info, kDefaultInetInterface);
 431     loc.fHost = info.fAddress ;
 432     loc.fPort = 0 ;
 433         loc.fAddressType = AF_INET ;
 434   }
 435
 436   /* got a valid address from getsockname, create a GAddress object */
 437   address = GAddress_new();
 438   if (address == NULL)
 439   {
 440     socket->m_error = GSOCK_MEMERR;
 441     return NULL;
 442   }
 443
 444   err = _GAddress_translate_from(address, &loc);
 445   if (err != GSOCK_NOERROR)
 446   {
 447     GAddress_destroy(address);
 448     socket->m_error = err;
 449     return NULL;
 450   }
 451
 452   return address;
 453 }
 454
 455 GAddress *GSocket_GetPeer(GSocket *socket)
 456 {
 457   assert(socket != NULL);
 458
 459   /* try to get it from the m_peer var */
 460   if (socket->m_peer)
 461     return GAddress_copy(socket->m_peer);
 462
 463   return NULL;
 464 }
 465
 466 /* Server specific parts */
 467
 468 /* GSocket_SetServer:
 469  *  Sets up this socket as a server. The local address must have been
 470  *  set with GSocket_SetLocal() before GSocket_SetServer() is called.
 471  *  Returns GSOCK_NOERROR on success, one of the following otherwise:
 472  *
 473  *  Error codes:
 474  *    GSOCK_INVSOCK - the socket is in use.
 475  *    GSOCK_INVADDR - the local address has not been set.
 476  *    GSOCK_IOERR   - low-level error.
 477  */
 478 GSocketError GSocket_SetServer(GSocket *sck)
 479 {
 480   assert(sck != NULL);
 481
 482   /* must not be in use */
 483   if (sck->m_endpoint != kOTInvalidEndpointRef )
 484   {
 485     sck->m_error = GSOCK_INVSOCK;
 486     return GSOCK_INVSOCK;
 487   }
 488
 489   /* the local addr must have been set */
 490   if (!sck->m_local)
 491   {
 492     sck->m_error = GSOCK_INVADDR;
 493     return GSOCK_INVADDR;
 494   }
 495
 496   /* Initialize all fields */
 497   sck->m_stream   = TRUE;
 498   sck->m_server   = TRUE;
 499   sck->m_oriented = TRUE;
 500
 501 // TODO
 502 #if 0
 503   /* Create the socket */
 504   sck->m_endpoint = socket(sck->m_local->m_realfamily, SOCK_STREAM, 0);
 505   socket_set_ref( sck->m_endpoint , (unsigned long) &gMacNetEvents ,  (unsigned long) sck ) ;
 506   if (sck->m_endpoint == kOTInvalidEndpointRef)
 507   {
 508     sck->m_error = GSOCK_IOERR;
 509     return GSOCK_IOERR;
 510   }
 511
 512   ioctl(sck->m_endpoint, FIONBIO, &arg);
 513   _GSocket_Enable_Events(sck);
 514
 515   /* Bind to the local address,
 516    * retrieve the actual address bound,
 517    * and listen up to 5 connections.
 518    */
 519   if ((bind(sck->m_endpoint, sck->m_local->m_addr, sck->m_local->m_len) != 0) ||
 520       (getsockname(sck->m_endpoint,
 521                    sck->m_local->m_addr,
 522                    (SOCKLEN_T *) &sck->m_local->m_len) != 0) ||
 523       (listen(sck->m_endpoint, 5) != 0))
 524   {
 525     close(sck->m_endpoint);
 526     sck->m_endpoint = -1;
 527     sck->m_error = GSOCK_IOERR;
 528     return GSOCK_IOERR;
 529   }
 530 #endif
 531   return GSOCK_NOERROR;
 532 }
 533
 534 /* GSocket_WaitConnection:
 535  *  Waits for an incoming client connection. Returns a pointer to
 536  *  a GSocket object, or NULL if there was an error, in which case
 537  *  the last error field will be updated for the calling GSocket.
 538  *
 539  *  Error codes (set in the calling GSocket)
 540  *    GSOCK_INVSOCK    - the socket is not valid or not a server.
 541  *    GSOCK_TIMEDOUT   - timeout, no incoming connections.
 542  *    GSOCK_WOULDBLOCK - the call would block and the socket is nonblocking.
 543  *    GSOCK_MEMERR     - couldn't allocate memory.
 544  *    GSOCK_IOERR      - low-level error.
 545  */
 546 GSocket *GSocket_WaitConnection(GSocket *socket)
 547 {
 548   GSocket *connection = NULL ;
 549
 550   assert(socket != NULL);
 551
 552   /* Reenable CONNECTION events */
 553   socket->m_detected &= ~GSOCK_CONNECTION_FLAG;
 554
 555   /* If the socket has already been created, we exit immediately */
 556   if (socket->m_endpoint == kOTInvalidEndpointRef || !socket->m_server)
 557   {
 558     socket->m_error = GSOCK_INVSOCK;
 559     return NULL;
 560   }
 561
 562   /* Create a GSocket object for the new connection */
 563   connection = GSocket_new();
 564
 565   if (!connection)
 566   {
 567     socket->m_error = GSOCK_MEMERR;
 568     return NULL;
 569   }
 570
 571   /* Wait for a connection (with timeout) */
 572   if (_GSocket_Input_Timeout(socket) == GSOCK_TIMEDOUT)
 573   {
 574     GSocket_destroy(connection);
 575     /* socket->m_error set by _GSocket_Input_Timeout */
 576     return NULL;
 577   }
 578
 579 // TODO
 580 #if 0
 581   connection->m_endpoint = accept(socket->m_endpoint, &from, (SOCKLEN_T *) &fromlen);
 582 #endif
 583
 584   if (connection->m_endpoint == kOTInvalidEndpointRef )
 585   {
 586     if (errno == EWOULDBLOCK)
 587       socket->m_error = GSOCK_WOULDBLOCK;
 588     else
 589       socket->m_error = GSOCK_IOERR;
 590
 591     GSocket_destroy(connection);
 592     return NULL;
 593   }
 594
 595   /* Initialize all fields */
 596   connection->m_server   = FALSE;
 597   connection->m_stream   = TRUE;
 598   connection->m_oriented = TRUE;
 599
 600   /* Setup the peer address field */
 601   connection->m_peer = GAddress_new();
 602   if (!connection->m_peer)
 603   {
 604     GSocket_destroy(connection);
 605     socket->m_error = GSOCK_MEMERR;
 606     return NULL;
 607   }
 608  // TODO
 609  #if 0
 610   err = _GAddress_translate_from(connection->m_peer, &from, fromlen);
 611   if (err != GSOCK_NOERROR)
 612   {
 613     GAddress_destroy(connection->m_peer);
 614     GSocket_destroy(connection);
 615     socket->m_error = err;
 616     return NULL;
 617   }
 618
 619   ioctl(connection->m_endpoint, FIONBIO, &arg);
 620 #endif
 621   _GSocket_Enable_Events(connection);
 622
 623   return connection;
 624 }
 625
 626 /* Datagram sockets */
 627
 628 /* GSocket_SetNonOriented:
 629  *  Sets up this socket as a non-connection oriented (datagram) socket.
 630  *  Before using this function, the local address must have been set
 631  *  with GSocket_SetLocal(), or the call will fail. Returns GSOCK_NOERROR
 632  *  on success, or one of the following otherwise.
 633  *
 634  *  Error codes:
 635  *    GSOCK_INVSOCK - the socket is in use.
 636  *    GSOCK_INVADDR - the local address has not been set.
 637  *    GSOCK_IOERR   - low-level error.
 638  */
 639 GSocketError GSocket_SetNonOriented(GSocket *sck)
 640 {
 641   assert(sck != NULL);
 642
 643   if (sck->m_endpoint != kOTInvalidEndpointRef )
 644   {
 645     sck->m_error = GSOCK_INVSOCK;
 646     return GSOCK_INVSOCK;
 647   }
 648
 649   if (!sck->m_local)
 650   {
 651     sck->m_error = GSOCK_INVADDR;
 652     return GSOCK_INVADDR;
 653   }
 654
 655   /* Initialize all fields */
 656   sck->m_stream   = FALSE;
 657   sck->m_server   = FALSE;
 658   sck->m_oriented = FALSE;
 659
 660   /* Create the socket */
 661
 662 // TODO
 663 #if 0
 664   sck->m_endpoint = socket(sck->m_local->m_realfamily, SOCK_DGRAM, 0);
 665   socket_set_ref( sck->m_endpoint , (unsigned long) &gMacNetEvents ,  (unsigned long) sck ) ;
 666 #endif
 667   if (sck->m_endpoint == kOTInvalidEndpointRef )
 668   {
 669     sck->m_error = GSOCK_IOERR;
 670     return GSOCK_IOERR;
 671   }
 672
 673 // TODO
 674 #if 0
 675   ioctl(sck->m_endpoint, FIONBIO, &arg);
 676 #endif
 677   _GSocket_Enable_Events(sck);
 678
 679   /* Bind to the local address,
 680    * and retrieve the actual address bound.
 681    */
 682 // TODO
 683 #if 0
 684   if ((bind(sck->m_endpoint, sck->m_local->m_addr, sck->m_local->m_len) != 0) ||
 685       (getsockname(sck->m_endpoint,
 686                    sck->m_local->m_addr,
 687                    (SOCKLEN_T *) &sck->m_local->m_len) != 0))
 688   {
 689     close(sck->m_endpoint);
 690     sck->m_endpoint    = -1;
 691     sck->m_error = GSOCK_IOERR;
 692     return GSOCK_IOERR;
 693   }
 694 #endif
 695   return GSOCK_NOERROR;
 696 }
 697
 698 /* Client specific parts */
 699
 700 /* GSocket_Connect:
 701  *  For stream (connection oriented) sockets, GSocket_Connect() tries
 702  *  to establish a client connection to a server using the peer address
 703  *  as established with GSocket_SetPeer(). Returns GSOCK_NOERROR if the
 704  *  connection has been succesfully established, or one of the error
 705  *  codes listed below. Note that for nonblocking sockets, a return
 706  *  value of GSOCK_WOULDBLOCK doesn't mean a failure. The connection
 707  *  request can be completed later; you should use GSocket_Select()
 708  *  to poll for GSOCK_CONNECTION | GSOCK_LOST, or wait for the
 709  *  corresponding asynchronous events.
 710  *
 711  *  For datagram (non connection oriented) sockets, GSocket_Connect()
 712  *  just sets the peer address established with GSocket_SetPeer() as
 713  *  default destination.
 714  *
 715  *  Error codes:
 716  *    GSOCK_INVSOCK    - the socket is in use or not valid.
 717  *    GSOCK_INVADDR    - the peer address has not been established.
 718  *    GSOCK_TIMEDOUT   - timeout, the connection failed.
 719  *    GSOCK_WOULDBLOCK - connection in progress (nonblocking sockets only)
 720  *    GSOCK_MEMERR     - couldn't allocate memory.
 721  *    GSOCK_IOERR      - low-level error.
 722  */
 723 GSocketError GSocket_Connect(GSocket *sck, GSocketStream stream)
 724 {
 725   InetAddress addr ;
 726   TEndpointInfo info;
 727    OSStatus             err = kOTNoError;
 728   TCall peer ;
 729
 730   assert(sck != NULL);
 731
 732   /* Enable CONNECTION events (needed for nonblocking connections) */
 733   sck->m_detected &= ~GSOCK_CONNECTION_FLAG;
 734
 735   if (sck->m_endpoint != kOTInvalidEndpointRef )
 736   {
 737     sck->m_error = GSOCK_INVSOCK;
 738     return GSOCK_INVSOCK;
 739   }
 740
 741   if (!sck->m_peer)
 742   {
 743     sck->m_error = GSOCK_INVADDR;
 744     return GSOCK_INVADDR;
 745   }
 746
 747   /* Streamed or dgram socket? */
 748   sck->m_stream   = (stream == GSOCK_STREAMED);
 749   sck->m_oriented = TRUE;
 750   sck->m_server   = FALSE;
 751
 752   /* Create the socket */
 753 #if TARGET_CARBON
 754   sck->m_endpoint =
 755         OTOpenEndpointInContext( OTCreateConfiguration( kTCPName) , 0 , &info , &err , NULL ) ;
 756 #else
 757   sck->m_endpoint =
 758         OTOpenEndpoint( OTCreateConfiguration( kTCPName) , 0 , &info , &err ) ;
 759 #endif
 760   if ( sck->m_endpoint == kOTInvalidEndpointRef || err != kOTNoError )
 761   {
 762                 sck->m_endpoint = kOTInvalidEndpointRef ;
 763         sck->m_error = GSOCK_IOERR;
 764         return GSOCK_IOERR;
 765   }
 766   err = OTBind( sck->m_endpoint , nil , nil ) ;
 767   if ( err != kOTNoError )
 768   {
 769         return GSOCK_IOERR;
 770   }
 771   SetDefaultEndpointModes( sck->m_endpoint , sck ) ;
 772 // TODO
 773 #if 0
 774   ioctl(sck->m_endpoint, FIONBIO, &arg);
 775 #endif
 776   _GSocket_Enable_Events(sck);
 777
 778   _GAddress_translate_to( sck->m_peer , &addr ) ;
 779   memset( &peer , 0 , sizeof( TCall ) ) ;
 780   peer.addr.len = sizeof( InetAddress ) ;
 781   peer.addr.buf = (unsigned char*) &addr ;
 782   err = OTConnect( sck->m_endpoint , &peer , nil ) ;
 783   if ( err != noErr )
 784   {
 785     /* If connect failed with EINPROGRESS and the GSocket object
 786      * is in blocking mode, we select() for the specified timeout
 787      * checking for writability to see if the connection request
 788      * completes.
 789      */
 790
 791     if ((err == kOTNoDataErr ) && (!sck->m_non_blocking))
 792     {
 793       if (_GSocket_Output_Timeout(sck) == GSOCK_TIMEDOUT)
 794       {
 795         OTSndOrderlyDisconnect( sck->m_endpoint ) ;
 796         sck->m_endpoint = kOTInvalidEndpointRef ;
 797         /* sck->m_error is set in _GSocket_Output_Timeout */
 798         return GSOCK_TIMEDOUT;
 799       }
 800       else
 801       {
 802 /*
 803         int error;
 804         SOCKLEN_T len = sizeof(error);
 805
 806         getsockopt(sck->m_endpoint, SOL_SOCKET, SO_ERROR, (void*) &error, &len);
 807
 808         if (!error)
 809 */
 810           return GSOCK_NOERROR;
 811       }
 812     }
 813
 814     /* If connect failed with EINPROGRESS and the GSocket object
 815      * is set to nonblocking, we set m_error to GSOCK_WOULDBLOCK
 816      * (and return GSOCK_WOULDBLOCK) but we don't close the socket;
 817      * this way if the connection completes, a GSOCK_CONNECTION
 818      * event will be generated, if enabled.
 819      */
 820     if ((err == kOTNoDataErr) && (sck->m_non_blocking))
 821     {
 822       sck->m_error = GSOCK_WOULDBLOCK;
 823       return GSOCK_WOULDBLOCK;
 824     }
 825
 826     /* If connect failed with an error other than EINPROGRESS,
 827      * then the call to GSocket_Connect has failed.
 828      */
 829     OTSndOrderlyDisconnect( sck->m_endpoint ) ;
 830
 831     sck->m_endpoint = kOTInvalidEndpointRef ;
 832     sck->m_error = GSOCK_IOERR;
 833     return GSOCK_IOERR;
 834   }
 835 //  OTInetEventHandler(sck, T_CONNECT , kOTNoError , NULL ) ;
 836   return GSOCK_NOERROR;
 837 }
 838
 839 /* Generic IO */
 840
 841 /* Like recv(), send(), ... */
 842 int GSocket_Read(GSocket *socket, char *buffer, int size)
 843 {
 844   int ret = 0 ;
 845
 846   assert(socket != NULL);
 847
 848   /* Reenable INPUT events */
 849   socket->m_detected &= ~GSOCK_INPUT_FLAG;
 850
 851   if (socket->m_endpoint == kOTInvalidEndpointRef || socket->m_server)
 852   {
 853     socket->m_error = GSOCK_INVSOCK;
 854     return -1;
 855   }
 856
 857   /* If the socket is blocking, wait for data (with a timeout) */
 858   if (_GSocket_Input_Timeout(socket) == GSOCK_TIMEDOUT)
 859     return -1;
 860
 861   /* Read the data */
 862   if (socket->m_stream)
 863     ret = _GSocket_Recv_Stream(socket, buffer, size);
 864   else
 865     ret = _GSocket_Recv_Dgram(socket, buffer, size);
 866
 867   if (ret == -1)
 868   {
 869     if (errno == EWOULDBLOCK)
 870       socket->m_error = GSOCK_WOULDBLOCK;
 871     else
 872       socket->m_error = GSOCK_IOERR;
 873   }
 874
 875   return ret;
 876 }
 877
 878 int GSocket_Write(GSocket *socket, const char *buffer, int size)
 879 {
 880   int ret;
 881
 882   assert(socket != NULL);
 883
 884   if (socket->m_endpoint == kOTInvalidEndpointRef || socket->m_server)
 885   {
 886     socket->m_error = GSOCK_INVSOCK;
 887     return -1;
 888   }
 889
 890   /* If the socket is blocking, wait for writability (with a timeout) */
 891   if (_GSocket_Output_Timeout(socket) == GSOCK_TIMEDOUT)
 892     return -1;
 893
 894   /* Write the data */
 895   if (socket->m_stream)
 896     ret = _GSocket_Send_Stream(socket, buffer, size);
 897   else
 898     ret = _GSocket_Send_Dgram(socket, buffer, size);
 899
 900   if (ret == -1)
 901   {
 902     if (errno == EWOULDBLOCK)
 903       socket->m_error = GSOCK_WOULDBLOCK;
 904     else
 905       socket->m_error = GSOCK_IOERR;
 906
 907     /* Only reenable OUTPUT events after an error (just like WSAAsyncSelect
 908      * in MSW). Once the first OUTPUT event is received, users can assume
 909      * that the socket is writable until a read operation fails. Only then
 910      * will further OUTPUT events be posted.
 911      */
 912     socket->m_detected &= ~GSOCK_OUTPUT_FLAG;
 913     return -1;
 914   }
 915
 916   return ret;
 917 }
 918
 919 /* GSocket_Select:
 920  *  Polls the socket to determine its status. This function will
 921  *  check for the events specified in the 'flags' parameter, and
 922  *  it will return a mask indicating which operations can be
 923  *  performed. This function won't block, regardless of the
 924  *  mode (blocking | nonblocking) of the socket.
 925  */
 926 GSocketEventFlags GSocket_Select(GSocket *socket, GSocketEventFlags flags)
 927 {
 928   assert(socket != NULL);
 929   wxMacProcessNotifierEvents() ;
 930   /*
 931   state = OTGetEndpointState(socket->m_endpoint);
 932
 933   if ( ( flags & GSOCK_INPUT_FLAG ) && ! ( socket->m_detected & GSOCK_INPUT_FLAG ) )
 934   {
 935         size_t sz = 0 ;
 936         OTCountDataBytes( socket->m_endpoint , &sz ) ;
 937         if ( state == T_INCON || sz > 0 )
 938         {
 939         socket->m_detected |= GSOCK_INPUT_FLAG ;
 940                 (socket->m_cbacks[GSOCK_INPUT])(socket, GSOCK_INPUT, socket->m_data[GSOCK_INPUT]);
 941         }
 942   }
 943   if ( ( flags & GSOCK_INPUT_FLAG ) && ! ( socket->m_detected & GSOCK_OUTPUT_FLAG ) )
 944   {
 945         if ( state == T_DATAXFER || state == T_INREL )
 946         {
 947         socket->m_detected |=GSOCK_OUTPUT_FLAG ;
 948                 (socket->m_cbacks[GSOCK_OUTPUT])(socket, GSOCK_OUTPUT, socket->m_data[GSOCK_OUTPUT]);
 949         }
 950   }
 951   */
 952   return ( flags & socket->m_detected ) ;
 953 }
 954
 955 /* Flags */
 956
 957 /* GSocket_SetNonBlocking:
 958  *  Sets the socket to non-blocking mode. All IO calls will return
 959  *  immediately.
 960  */
 961 void GSocket_SetNonBlocking(GSocket *socket, int non_block)
 962 {
 963   assert(socket != NULL);
 964
 965   socket->m_non_blocking = non_block;
 966 }
 967
 968 /* GSocket_SetTimeout:
 969  *  Sets the timeout for blocking calls. Time is expressed in
 970  *  milliseconds.
 971  */
 972 void GSocket_SetTimeout(GSocket *socket, unsigned long millisec)
 973 {
 974   assert(socket != NULL);
 975
 976 //  this is usually set too high and we have not yet been able to detect a closed
 977 //  stream, thus we leave the 10 sec timeout
 978 //  socket->m_timeout = millisec;
 979 }
 980
 981 /* GSocket_GetError:
 982  *  Returns the last error occured for this socket. Note that successful
 983  *  operations do not clear this back to GSOCK_NOERROR, so use it only
 984  *  after an error.
 985  */
 986 GSocketError GSocket_GetError(GSocket *socket)
 987 {
 988   assert(socket != NULL);
 989
 990   return socket->m_error;
 991 }
 992
 993 /* Callbacks */
 994
 995 /* GSOCK_INPUT:
 996  *   There is data to be read in the input buffer. If, after a read
 997  *   operation, there is still data available, the callback function will
 998  *   be called again.
 999  * GSOCK_OUTPUT:
1000  *   The socket is available for writing. That is, the next write call
1001  *   won't block. This event is generated only once, when the connection is
1002  *   first established, and then only if a call failed with GSOCK_WOULDBLOCK,
1003  *   when the output buffer empties again. This means that the app should
1004  *   assume that it can write since the first OUTPUT event, and no more
1005  *   OUTPUT events will be generated unless an error occurs.
1006  * GSOCK_CONNECTION:
1007  *   Connection succesfully established, for client sockets, or incoming
1008  *   client connection, for server sockets. Wait for this event (also watch
1009  *   out for GSOCK_LOST) after you issue a nonblocking GSocket_Connect() call.
1010  * GSOCK_LOST:
1011  *   The connection is lost (or a connection request failed); this could
1012  *   be due to a failure, or due to the peer closing it gracefully.
1013  */
1014
1015 /* GSocket_SetCallback:
1016  *  Enables the callbacks specified by 'flags'. Note that 'flags'
1017  *  may be a combination of flags OR'ed toghether, so the same
1018  *  callback function can be made to accept different events.
1019  *  The callback function must have the following prototype:
1020  *
1021  *  void function(GSocket *socket, GSocketEvent event, char *cdata)
1022  */
1023 void GSocket_SetCallback(GSocket *socket, GSocketEventFlags flags,
1024                          GSocketCallback callback, char *cdata)
1025 {
1026   int count;
1027
1028   assert(socket != NULL);
1029
1030   for (count = 0; count < GSOCK_MAX_EVENT; count++)
1031   {
1032     if ((flags & (1 << count)) != 0)
1033     {
1034       socket->m_cbacks[count] = callback;
1035       socket->m_data[count] = cdata;
1036     }
1037   }
1038 }
1039
1040 /* GSocket_UnsetCallback:
1041  *  Disables all callbacks specified by 'flags', which may be a
1042  *  combination of flags OR'ed toghether.
1043  */
1044 void GSocket_UnsetCallback(GSocket *socket, GSocketEventFlags flags)
1045 {
1046   int count;
1047
1048   assert(socket != NULL);
1049
1050   for (count = 0; count < GSOCK_MAX_EVENT; count++)
1051   {
1052     if ((flags & (1 << count)) != 0)
1053     {
1054       socket->m_cbacks[count] = NULL;
1055       socket->m_data[count] = NULL;
1056     }
1057   }
1058 }
1059
1060
1061 #define CALL_CALLBACK(socket, event) {                                  \
1062   _GSocket_Disable(socket, event);                                      \
1063   if (socket->m_cbacks[event])                                          \
1064     socket->m_cbacks[event](socket, event, socket->m_data[event]);      \
1065 }
1066
1067 int _GSocket_Recv_Stream(GSocket *socket, char *buffer, int size)
1068 {
1069         OTFlags flags ;
1070         OTResult res ;
1071         OTByteCount sz = 0 ;
1072
1073         OTCountDataBytes( socket->m_endpoint , &sz ) ;
1074         if ( size > sz )
1075           size = sz ;
1076         res = OTRcv( socket->m_endpoint , buffer , size , &flags ) ;
1077         if ( res < 0 )
1078         {
1079                 return -1 ;
1080         }
1081
1082         // we simulate another read event if there are still bytes
1083         if ( socket->m_takesEvents )
1084         {
1085                 OTByteCount sz = 0 ;
1086                 OTCountDataBytes( socket->m_endpoint , &sz ) ;
1087                 if ( sz > 0 )
1088                 {
1089                 socket->m_detected |= GSOCK_INPUT_FLAG ;
1090                         (socket->m_cbacks[GSOCK_INPUT])(socket, GSOCK_INPUT, socket->m_data[GSOCK_INPUT]);
1091                 }
1092         }
1093         return res ;
1094 }
1095
1096 int _GSocket_Recv_Dgram(GSocket *socket, char *buffer, int size)
1097 {
1098 // TODO
1099   int ret = -1;
1100 #if 0
1101   struct sockaddr from;
1102   SOCKLEN_T fromlen = sizeof(from);
1103   GSocketError err;
1104
1105   fromlen = sizeof(from);
1106
1107   ret = recvfrom(socket->m_endpoint, buffer, size, 0, &from, (SOCKLEN_T *) &fromlen);
1108
1109   if (ret == -1)
1110     return -1;
1111
1112   /* Translate a system address into a GSocket address */
1113   if (!socket->m_peer)
1114   {
1115     socket->m_peer = GAddress_new();
1116     if (!socket->m_peer)
1117     {
1118       socket->m_error = GSOCK_MEMERR;
1119       return -1;
1120     }
1121   }
1122   err = _GAddress_translate_from(socket->m_peer, &from, fromlen);
1123   if (err != GSOCK_NOERROR)
1124   {
1125     GAddress_destroy(socket->m_peer);
1126     socket->m_peer  = NULL;
1127     socket->m_error = err;
1128     return -1;
1129   }
1130 #endif
1131   return ret;
1132 }
1133
1134 int _GSocket_Send_Stream(GSocket *socket, const char *buffer, int size)
1135 {
1136         OTFlags flags = 0 ;
1137         OTResult res ;
1138
1139         res = OTSnd( socket->m_endpoint , (void*) buffer , size , flags ) ;
1140         return res ;
1141 }
1142
1143 int _GSocket_Send_Dgram(GSocket *socket, const char *buffer, int size)
1144 {
1145   int ret = -1 ;
1146 // TODO
1147 #if 0
1148   struct sockaddr *addr;
1149   int len ;
1150   GSocketError err;
1151
1152   if (!socket->m_peer)
1153   {
1154     socket->m_error = GSOCK_INVADDR;
1155     return -1;
1156   }
1157
1158   err = _GAddress_translate_to(socket->m_peer, &addr, &len);
1159   if (err != GSOCK_NOERROR)
1160   {
1161     socket->m_error = err;
1162     return -1;
1163   }
1164
1165   ret = sendto(socket->m_endpoint, buffer, size, 0, addr, len);
1166
1167   /* Frees memory allocated from _GAddress_translate_to */
1168   free(addr);
1169 #endif
1170   return ret;
1171 }
1172
1173
1174 /*
1175  * -------------------------------------------------------------------------
1176  * GAddress
1177  * -------------------------------------------------------------------------
1178  */
1179
1180 /* CHECK_ADDRESS verifies that the current family is either GSOCK_NOFAMILY
1181  * or GSOCK_*family*, and if it is GSOCK_NOFAMILY, it initalizes address
1182  * to be a GSOCK_*family*. In other cases, it returns GSOCK_INVADDR.
1183  */
1184 #define CHECK_ADDRESS(address, family, retval)                      \
1185 {                                                                   \
1186   if (address->m_family == GSOCK_NOFAMILY)                          \
1187     if (_GAddress_Init_##family(address) != GSOCK_NOERROR)          \
1188       return address->m_error;                                      \
1189   if (address->m_family != GSOCK_##family)                          \
1190   {                                                                 \
1191     address->m_error = GSOCK_INVADDR;                               \
1192     return retval;                                                  \
1193   }                                                                 \
1194 }
1195
1196 GAddress *GAddress_new()
1197 {
1198   GAddress *address;
1199
1200   if ((address = (GAddress *) malloc(sizeof(GAddress))) == NULL)
1201     return NULL;
1202
1203   address->m_family  = GSOCK_NOFAMILY;
1204   address->m_host = INADDR_NONE ;
1205   address->m_port = 0 ;
1206
1207   return address;
1208 }
1209
1210 GAddress *GAddress_copy(GAddress *address)
1211 {
1212   GAddress *addr2;
1213
1214   assert(address != NULL);
1215
1216   if ((addr2 = (GAddress *) malloc(sizeof(GAddress))) == NULL)
1217     return NULL;
1218
1219   memcpy(addr2, address, sizeof(GAddress));
1220   return addr2;
1221 }
1222
1223 void GAddress_destroy(GAddress *address)
1224 {
1225   assert(address != NULL);
1226
1227   free(address);
1228 }
1229
1230 void GAddress_SetFamily(GAddress *address, GAddressType type)
1231 {
1232   assert(address != NULL);
1233
1234   address->m_family = type;
1235 }
1236
1237 GAddressType GAddress_GetFamily(GAddress *address)
1238 {
1239   assert(address != NULL);
1240
1241   return address->m_family;
1242 }
1243
1244 GSocketError _GAddress_translate_from(GAddress *address,
1245                                       InetAddress *addr)
1246 {
1247   switch (addr->fAddressType)
1248   {
1249     case AF_INET:
1250       address->m_family = GSOCK_INET;
1251       break;
1252 #ifdef AF_INET6
1253     case AF_INET6:
1254       address->m_family = GSOCK_INET6;
1255       break;
1256 #endif
1257     default:
1258     {
1259       address->m_error = GSOCK_INVOP;
1260       return GSOCK_INVOP;
1261     }
1262   }
1263   address->m_host = addr->fHost ;
1264   address->m_port = addr->fPort ;
1265   return GSOCK_NOERROR;
1266 }
1267
1268 GSocketError _GAddress_translate_to(GAddress *address,
1269                                     InetAddress *addr)
1270 {
1271  if ( GSocket_Verify_Inited() == FALSE )
1272     return GSOCK_IOERR ;
1273   memset(addr, 0 , sizeof(struct InetAddress));
1274   OTInitInetAddress( addr , address->m_port , address->m_host ) ;
1275   return GSOCK_NOERROR;
1276 }
1277
1278 /*
1279  * -------------------------------------------------------------------------
1280  * Internet address family
1281  * -------------------------------------------------------------------------
1282  */
1283
1284 GSocketError _GAddress_Init_INET(GAddress *address)
1285 {
1286   address->m_family = GSOCK_INET;
1287   address->m_host = kOTAnyInetAddress ;
1288
1289   return GSOCK_NOERROR;
1290 }
1291
1292 GSocketError GAddress_INET_SetHostName(GAddress *address, const char *hostname)
1293 {
1294   InetHostInfo hinfo ;
1295   OSStatus ret ;
1296
1297  if ( GSocket_Verify_Inited() == FALSE )
1298     return GSOCK_IOERR ;
1299
1300   assert(address != NULL);
1301
1302   CHECK_ADDRESS(address, INET, GSOCK_INVADDR);
1303   ret = OTInetStringToAddress( gInetSvcRef , (char*) hostname , &hinfo ) ;
1304   if ( ret != kOTNoError )
1305   {
1306         address->m_host = INADDR_NONE ;
1307     address->m_error = GSOCK_NOHOST;
1308     return GSOCK_NOHOST;
1309   }
1310   address->m_host = hinfo.addrs[0] ;
1311   return GSOCK_NOERROR;
1312 }
1313
1314 GSocketError GAddress_INET_SetAnyAddress(GAddress *address)
1315 {
1316   return GAddress_INET_SetHostAddress(address, INADDR_ANY);
1317 }
1318
1319 GSocketError GAddress_INET_SetHostAddress(GAddress *address,
1320                                           unsigned long hostaddr)
1321 {
1322   assert(address != NULL);
1323
1324   CHECK_ADDRESS(address, INET, GSOCK_INVADDR);
1325
1326   address->m_host = hostaddr ;
1327
1328   return GSOCK_NOERROR;
1329 }
1330
1331 struct service_entry
1332 {
1333         char * name ;
1334         unsigned short port ;
1335         char * protocol ;
1336 } ;
1337 typedef struct service_entry service_entry ;
1338
1339 service_entry gServices[] =
1340 {
1341         { "http" , 80 , "tcp" }
1342 } ;
1343
1344 GSocketError GAddress_INET_SetPortName(GAddress *address, const char *port,
1345                                        const char *protocol)
1346 {
1347   int i ;
1348
1349   assert(address != NULL);
1350   CHECK_ADDRESS(address, INET, GSOCK_INVADDR);
1351
1352   if (!port)
1353   {
1354     address->m_error = GSOCK_INVPORT;
1355     return GSOCK_INVPORT;
1356   }
1357   for ( i = 0 ; i < sizeof( gServices) / sizeof( service_entry ) ; ++i )
1358   {
1359         if ( strcmp( port , gServices[i].name ) == 0 )
1360         {
1361                 if ( protocol == NULL || strcmp( protocol , gServices[i].protocol ) )
1362                 {
1363                         address->m_port = gServices[i].port ;
1364                 return GSOCK_NOERROR;
1365                 }
1366         }
1367   }
1368
1369   if (isdigit(port[0]))
1370   {
1371      address->m_port = atoi(port);
1372      return GSOCK_NOERROR;
1373   }
1374
1375   address->m_error = GSOCK_INVPORT;
1376   return GSOCK_INVPORT;
1377 }
1378
1379 GSocketError GAddress_INET_SetPort(GAddress *address, unsigned short port)
1380 {
1381   assert(address != NULL);
1382   CHECK_ADDRESS(address, INET, GSOCK_INVADDR);
1383   address->m_port = port ;
1384
1385   return GSOCK_NOERROR;
1386 }
1387
1388 GSocketError GAddress_INET_GetHostName(GAddress *address, char *hostname, size_t sbuf)
1389 {
1390   InetDomainName name ;
1391  if ( GSocket_Verify_Inited() == FALSE )
1392     return GSOCK_IOERR ;
1393
1394   assert(address != NULL);
1395   CHECK_ADDRESS(address, INET, GSOCK_INVADDR);
1396
1397   OTInetAddressToName( gInetSvcRef , address->m_host , name ) ;
1398   strncpy( hostname , name , sbuf ) ;
1399   return GSOCK_NOERROR;
1400 }
1401
1402 unsigned long GAddress_INET_GetHostAddress(GAddress *address)
1403 {
1404   assert(address != NULL);
1405   CHECK_ADDRESS(address, INET, 0);
1406
1407   return address->m_host;
1408 }
1409
1410 unsigned short GAddress_INET_GetPort(GAddress *address)
1411 {
1412   assert(address != NULL);
1413   CHECK_ADDRESS(address, INET, 0);
1414
1415   return address->m_port;
1416 }
1417
1418 void _GSocket_Enable_Events(GSocket *socket)
1419 {
1420   if ( socket->m_takesEvents )
1421         return ;
1422
1423   {
1424           OTResult      state ;
1425           socket->m_takesEvents                 = TRUE ;
1426           state = OTGetEndpointState(socket->m_endpoint);
1427
1428           {
1429                 OTByteCount sz = 0 ;
1430                 OTCountDataBytes( socket->m_endpoint , &sz ) ;
1431                 if ( state == T_INCON || sz > 0 )
1432                 {
1433                 socket->m_detected |= GSOCK_INPUT_FLAG ;
1434                         (socket->m_cbacks[GSOCK_INPUT])(socket, GSOCK_INPUT, socket->m_data[GSOCK_INPUT]);
1435                 }
1436           }
1437           {
1438                 if ( state == T_DATAXFER || state == T_INREL )
1439                 {
1440                 socket->m_detected |=GSOCK_OUTPUT_FLAG ;
1441                         (socket->m_cbacks[GSOCK_OUTPUT])(socket, GSOCK_OUTPUT, socket->m_data[GSOCK_OUTPUT]);
1442                 }
1443           }
1444   }
1445 }
1446
1447 void _GSocket_Disable_Events(GSocket *socket)
1448 {
1449   socket->m_takesEvents                 = FALSE ;
1450 }
1451
1452 /* _GSocket_Input_Timeout:
1453  *  For blocking sockets, wait until data is available or
1454  *  until timeout ellapses.
1455  */
1456 GSocketError _GSocket_Input_Timeout(GSocket *socket)
1457 {
1458   if ( !socket->m_non_blocking )
1459   {
1460     UnsignedWide now , start ;
1461     short formerTakesEvents = socket->m_takesEvents ;
1462     Microseconds(&start);
1463     now = start ;
1464     socket->m_takesEvents = FALSE ;
1465
1466     while( (now.hi * 4294967296.0 + now.lo) - (start.hi * 4294967296.0 + start.lo) < socket->m_timeout * 1000.0 )
1467     {
1468         OTResult state ;
1469                 OTByteCount sz = 0 ;
1470                   state = OTGetEndpointState(socket->m_endpoint);
1471
1472                 OTCountDataBytes( socket->m_endpoint , &sz ) ;
1473                 if ( state == T_INCON || sz > 0 )
1474                 {
1475                 socket->m_takesEvents = formerTakesEvents ;
1476                         return GSOCK_NOERROR;
1477         }
1478         Microseconds(&now);
1479     }
1480     socket->m_takesEvents = formerTakesEvents ;
1481     socket->m_error = GSOCK_TIMEDOUT;
1482     return GSOCK_TIMEDOUT;
1483   }
1484   return GSOCK_NOERROR;
1485 }
1486
1487 /* _GSocket_Output_Timeout:
1488  *  For blocking sockets, wait until data can be sent without
1489  *  blocking or until timeout ellapses.
1490  */
1491 GSocketError _GSocket_Output_Timeout(GSocket *socket)
1492 {
1493   if ( !socket->m_non_blocking )
1494   {
1495     UnsignedWide now , start ;
1496     short formerTakesEvents = socket->m_takesEvents ;
1497     Microseconds(&start);
1498     now = start ;
1499     socket->m_takesEvents = FALSE ;
1500
1501     while( (now.hi * 4294967296.0 + now.lo) - (start.hi * 4294967296.0 + start.lo) < socket->m_timeout * 1000.0 )
1502     {
1503         OTResult state ;
1504                 state = OTGetEndpointState(socket->m_endpoint);
1505
1506                 if ( state == T_DATAXFER || state == T_INREL )
1507                 {
1508                 socket->m_takesEvents = formerTakesEvents ;
1509                         return GSOCK_NOERROR;
1510         }
1511         Microseconds(&now);
1512     }
1513     socket->m_takesEvents = formerTakesEvents ;
1514     socket->m_error = GSOCK_TIMEDOUT;
1515     return GSOCK_TIMEDOUT;
1516   }
1517   return GSOCK_NOERROR;
1518 }
1519
1520 /* GSOCK_INPUT:
1521  *   There is data to be read in the input buffer. If, after a read
1522  *   operation, there is still data available, the callback function will
1523  *   be called again.
1524  * GSOCK_OUTPUT:
1525  *   The socket is available for writing. That is, the next write call
1526  *   won't block. This event is generated only once, when the connection is
1527  *   first established, and then only if a call failed with GSOCK_WOULDBLOCK,
1528  *   when the output buffer empties again. This means that the app should
1529  *   assume that it can write since the first OUTPUT event, and no more
1530  *   OUTPUT events will be generated unless an error occurs.
1531  * GSOCK_CONNECTION:
1532  *   Connection succesfully established, for client sockets, or incoming
1533  *   client connection, for server sockets. Wait for this event (also watch
1534  *   out for GSOCK_LOST) after you issue a nonblocking GSocket_Connect() call.
1535  * GSOCK_LOST:
1536  *   The connection is lost (or a connection request failed); this could
1537  *   be due to a failure, or due to the peer closing it gracefully.
1538  */
1539
1540 void _GSocket_Internal_Proc(unsigned long e , void* d )
1541 {
1542
1543   GSocket * socket = (GSocket*) d ;
1544   OTEventCode ev = (OTEventCode) e ;
1545   GSocketEvent event;
1546   GSocketEvent event2;
1547   GSocketCallback cback;
1548   char *data;
1549   GSocketCallback cback2;
1550   char *data2;
1551
1552         if ( !socket )
1553                 return ;
1554     event = GSOCK_MAX_EVENT ;
1555     event2 = GSOCK_MAX_EVENT ;
1556     cback = NULL;
1557     data = NULL;
1558     cback2 = NULL;
1559     data2 = NULL;
1560
1561     /* Check that the socket still exists (it has not been
1562      * destroyed) and for safety, check that the m_endpoint field
1563      * is what we expect it to be.
1564      */
1565     if ((socket != NULL) && (socket->m_takesEvents))
1566     {
1567         switch (ev)
1568         {
1569                 case T_LISTEN :
1570                         event = GSOCK_CONNECTION ;
1571                         break ;
1572                 case T_CONNECT :
1573                         event = GSOCK_CONNECTION ;
1574                         event2 = GSOCK_OUTPUT ;
1575                         {
1576                                         TCall retCall;
1577
1578                                         retCall.addr.buf        = NULL;
1579                                         retCall.addr.maxlen     = 0;
1580                                         retCall.opt.buf         = NULL;
1581                                         retCall.opt.maxlen      = 0;
1582                                         retCall.udata.buf       = NULL;
1583                                         retCall.udata.maxlen= 0;
1584                                         OTRcvConnect( socket->m_endpoint , &retCall ) ;
1585                                 }
1586                         break ;
1587                 case T_DISCONNECT :
1588                         event = GSOCK_LOST ;
1589                         break ;
1590                 case T_GODATA :
1591                 case T_GOEXDATA :
1592                         event = GSOCK_OUTPUT ;
1593                         break ;
1594                 case T_DATA :
1595                         event = GSOCK_INPUT ;
1596                         break ;
1597                 case T_EXDATA :
1598                         event = GSOCK_INPUT ;
1599                         break ;
1600       }
1601       if (event != GSOCK_MAX_EVENT)
1602       {
1603         cback = socket->m_cbacks[event];
1604         data = socket->m_data[event];
1605
1606         if (event == GSOCK_LOST)
1607           socket->m_detected = GSOCK_LOST_FLAG;
1608         else
1609           socket->m_detected |= (1 << event);
1610       }
1611       if (event2 != GSOCK_MAX_EVENT)
1612       {
1613         cback2 = socket->m_cbacks[event2];
1614         data2 = socket->m_data[event2];
1615
1616         if (event2 == GSOCK_LOST)
1617           socket->m_detected = GSOCK_LOST_FLAG;
1618         else
1619           socket->m_detected |= (1 << event2);
1620       }
1621     }
1622
1623     /* OK, we can now leave the critical section because we have
1624      * already obtained the callback address (we make no further
1625      * accesses to socket->whatever). However, the app should
1626      * be prepared to handle events from a socket that has just
1627      * been closed!
1628      */
1629
1630     if (cback != NULL)
1631       (cback)(socket, event, data);
1632     if (cback2 != NULL)
1633       (cback2)(socket, event2, data2);
1634
1635 }
1636
1637 /* Hack added for Mac OS X */
1638 GSocketError GAddress_UNIX_GetPath(GAddress *addr, char *path, size_t buf)
1639 {
1640     return GSOCK_INVADDR;
1641 }
1642
1643 GSocketError GAddress_UNIX_SetPath(GAddress *addr, const char *path)
1644 {
1645     return GSOCK_INVADDR;
1646 }
1647
1648 #endif  /* wxUSE_SOCKETS || defined(__GSOCKET_STANDALONE__) */