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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 && !defined(OTAssert)
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 #ifndef ntohl
80 #define ntohl(x) (x)
81 #define ntohs(x) (x)
82 #define htonl(x) (x)
83 #define htons(x) (x)
84 #endif
85
86 void wxCYield() ;
87 #ifdef __WXDEBUG__
88 #define qDebug 1
89 #define qDebug2 1
90 extern pascal void OTDebugStr(const char* str);
91 #endif
92 #ifndef __DARWIN__
93 #include <OTDebug.h>
94 #endif
95 InetSvcRef gInetSvcRef = 0 ;
96 int gOTInited = 0 ;
97 OTNotifyUPP gOTNotifierUPP = NULL ;
98
99 OSStatus DoNegotiateIPReuseAddrOption(EndpointRef ep, Boolean enableReuseIPMode);
100
101 /* Input: ep - endpointref on which to negotiate the option
102 enableReuseIPMode - desired option setting - true/false
103 Return: kOTNoError indicates that the option was successfully negotiated
104 OSStatus is an error if < 0, otherwise, the status field is
105 returned and is > 0.
106
107 IMPORTANT NOTE: The endpoint is assumed to be in synchronous more, otherwise
108 this code will not function as desired
109 */
110
111
112 OSStatus DoNegotiateIPReuseAddrOption(EndpointRef ep, Boolean enableReuseIPMode)
113
114 {
115 UInt8 buf[kOTFourByteOptionSize]; // define buffer for fourByte Option size
116 TOption* opt; // option ptr to make items easier to access
117 TOptMgmt req;
118 TOptMgmt ret;
119 OSStatus err;
120
121 if (!OTIsSynchronous(ep))
122 {
123 return (-1);
124 }
125 opt = (TOption*)buf; // set option ptr to buffer
126 req.opt.buf = buf;
127 req.opt.len = sizeof(buf);
128 req.flags = T_NEGOTIATE; // negotiate for option
129
130 ret.opt.buf = buf;
131 ret.opt.maxlen = kOTFourByteOptionSize;
132
133 opt->level = INET_IP; // dealing with an IP Level function
134 #ifdef __DARWIN__
135 opt->name = kIP_REUSEADDR;
136 #else
137 opt->name = IP_REUSEADDR;
138 #endif
139 opt->len = kOTFourByteOptionSize;
140 opt->status = 0;
141 *(UInt32*)opt->value = enableReuseIPMode; // set the desired option level, true or false
142
143 err = OTOptionManagement(ep, &req, &ret);
144
145 // if no error then return the option status value
146 if (err == kOTNoError)
147 {
148 if (opt->status != T_SUCCESS)
149 err = opt->status;
150 else
151 err = kOTNoError;
152 }
153
154 return err;
155 }
156
157
158 pascal void OTInetEventHandler(void*s, OTEventCode event, OTResult, void *cookie) ;
159 pascal void OTInetEventHandler(void*s, OTEventCode event, OTResult result, void *cookie)
160 {
161 int wakeUp = true ;
162 GSocket* sock = (GSocket*) s ;
163
164 if ( event == kOTSyncIdleEvent )
165 {
166 YieldToAnyThread() ;
167 return ;
168 }
169
170 if ( s )
171 {
172 wxMacAddEvent( sock->m_mac_events , _GSocket_Internal_Proc , event , s , wakeUp ) ;
173 }
174
175 return;
176 }
177
178 static void SetDefaultEndpointModes(EndpointRef ep , void *data )
179 // This routine sets the supplied endpoint into the default
180 // mode used in this application. The specifics are:
181 // blocking, synchronous, and using synch idle events with
182 // the standard YieldingNotifier.
183 {
184 OSStatus junk = kOTNoError ;
185 OTAssert ("SetDefaultEndpointModes:invalid ref", ep != kOTInvalidEndpointRef ) ;
186 junk = OTSetAsynchronous(ep);
187 OTAssert("SetDefaultEndpointModes: Could not set asynchronous", junk == noErr);
188 /*
189 junk = OTSetBlocking(ep);
190 OTAssert("SetDefaultEndpointModes: Could not set blocking", junk == noErr);
191 junk = OTSetSynchronous(ep);
192 OTAssert("SetDefaultEndpointModes: Could not set synchronous", junk == noErr);
193 junk = OTSetBlocking(ep);
194 OTAssert("SetDefaultEndpointModes: Could not set blocking", junk == noErr);
195 */
196 junk = OTInstallNotifier(ep, gOTNotifierUPP, data);
197 OTAssert("SetDefaultEndpointModes: Could not install notifier", junk == noErr);
198 /*
199 junk = OTUseSyncIdleEvents(ep, true);
200 OTAssert("SetDefaultEndpointModes: Could not use sync idle events", junk == noErr);
201 */
202 }
203
204 /* Global initialisers */
205
206 void GSocket_SetGUIFunctions(struct GSocketGUIFunctionsTable *table)
207 {
208 // do nothing, wxMac doesn't have wxBase-GUI separation yet
209 }
210
211 int GSocket_Init()
212 {
213 return TRUE;
214 }
215
216 int GSocket_Verify_Inited() ;
217 int GSocket_Verify_Inited()
218 {
219 OSStatus err ;
220 #if TARGET_CARBON
221 // Marc Newsam: added the clientcontext variable
222 // however, documentation is unclear how this works
223 OTClientContextPtr clientcontext;
224
225 if ( gInetSvcRef )
226 return TRUE ;
227
228 InitOpenTransportInContext(kInitOTForApplicationMask, &clientcontext);
229 gOTInited = 1 ;
230 gInetSvcRef = OTOpenInternetServicesInContext(kDefaultInternetServicesPath,
231 NULL, &err, clientcontext);
232 #else
233 if ( gInetSvcRef )
234 return TRUE ;
235
236 InitOpenTransport() ;
237 gOTInited = 1 ;
238 gInetSvcRef = OTOpenInternetServices(kDefaultInternetServicesPath, NULL, &err);
239 #endif
240 if ( gInetSvcRef == NULL || err != kOTNoError )
241 {
242 OTAssert("Could not open Inet Services", err == noErr);
243 return FALSE ;
244 }
245 gOTNotifierUPP = NewOTNotifyUPP( OTInetEventHandler ) ;
246 return TRUE ;
247 }
248
249 void GSocket_Cleanup()
250 {
251 if ( gOTInited != 0 )
252 {
253 if ( gInetSvcRef != NULL )
254 OTCloseProvider( gInetSvcRef );
255 #if TARGET_CARBON
256 CloseOpenTransportInContext( NULL ) ;
257 #else
258 CloseOpenTransport() ;
259 #endif
260 if ( gOTNotifierUPP )
261 DisposeOTNotifyUPP( gOTNotifierUPP ) ;
262 }
263 }
264
265 /* Constructors / Destructors for GSocket */
266
267 GSocket *GSocket_new()
268 {
269
270 int i;
271 GSocket *socket;
272
273 if ( GSocket_Verify_Inited() == FALSE )
274 return NULL ;
275
276 socket = (GSocket *)malloc(sizeof(GSocket));
277
278 if (socket == NULL)
279 return NULL;
280
281 socket->m_endpoint = NULL ;
282 for (i=0;i<GSOCK_MAX_EVENT;i++)
283 {
284 socket->m_cbacks[i] = NULL;
285 }
286 socket->m_detected = 0;
287 socket->m_local = NULL;
288 socket->m_peer = NULL;
289 socket->m_error = GSOCK_NOERROR;
290 socket->m_server = FALSE;
291 socket->m_stream = TRUE;
292 socket->m_non_blocking = FALSE;
293 socket->m_timeout = 1*1000;
294 /* 10 sec * 1000 millisec */
295 socket->m_takesEvents = TRUE ;
296 socket->m_mac_events = wxMacGetNotifierTable() ;
297 return socket;
298 }
299
300 void GSocket_destroy(GSocket *socket)
301 {
302 assert(socket != NULL);
303
304 /* Check that the socket is really shutdowned */
305 if (socket->m_endpoint != kOTInvalidEndpointRef)
306 GSocket_Shutdown(socket);
307
308
309 /* Destroy private addresses */
310 if (socket->m_local)
311 GAddress_destroy(socket->m_local);
312
313 if (socket->m_peer)
314 GAddress_destroy(socket->m_peer);
315
316 /* Destroy the socket itself */
317 free(socket);
318 }
319
320 /* GSocket_Shutdown:
321 * Disallow further read/write operations on this socket, close
322 * the fd and disable all callbacks.
323 */
324 void GSocket_Shutdown(GSocket *socket)
325 {
326 OSStatus err ;
327 int evt;
328
329 assert(socket != NULL);
330
331 /* If socket has been created, shutdown it */
332 if (socket->m_endpoint != kOTInvalidEndpointRef )
333 {
334 err = OTSndOrderlyDisconnect( socket->m_endpoint ) ;
335 if ( err != kOTNoError )
336 {
337
338 }
339 err = OTRcvOrderlyDisconnect( socket->m_endpoint ) ;
340 err = OTUnbind( socket->m_endpoint ) ;
341 err = OTCloseProvider( socket->m_endpoint ) ;
342 socket->m_endpoint = kOTInvalidEndpointRef ;
343 }
344
345 /* Disable GUI callbacks */
346 for (evt = 0; evt < GSOCK_MAX_EVENT; evt++)
347 socket->m_cbacks[evt] = NULL;
348
349 socket->m_detected = 0;
350 _GSocket_Disable_Events(socket);
351 wxMacRemoveAllNotifiersForData( wxMacGetNotifierTable() , socket ) ;
352 }
353
354
355 /* Address handling */
356
357 /* GSocket_SetLocal:
358 * GSocket_GetLocal:
359 * GSocket_SetPeer:
360 * GSocket_GetPeer:
361 * Set or get the local or peer address for this socket. The 'set'
362 * functions return GSOCK_NOERROR on success, an error code otherwise.
363 * The 'get' functions return a pointer to a GAddress object on success,
364 * or NULL otherwise, in which case they set the error code of the
365 * corresponding GSocket.
366 *
367 * Error codes:
368 * GSOCK_INVSOCK - the socket is not valid.
369 * GSOCK_INVADDR - the address is not valid.
370 */
371 GSocketError GSocket_SetLocal(GSocket *socket, GAddress *address)
372 {
373 assert(socket != NULL);
374
375 /* the socket must be initialized, or it must be a server */
376 if ((socket->m_endpoint != kOTInvalidEndpointRef && !socket->m_server))
377 {
378 socket->m_error = GSOCK_INVSOCK;
379 return GSOCK_INVSOCK;
380 }
381
382 /* check address */
383 if (address == NULL || address->m_family == GSOCK_NOFAMILY)
384 {
385 socket->m_error = GSOCK_INVADDR;
386 return GSOCK_INVADDR;
387 }
388
389 if (socket->m_local)
390 GAddress_destroy(socket->m_local);
391
392 socket->m_local = GAddress_copy(address);
393
394 return GSOCK_NOERROR;
395 }
396
397 GSocketError GSocket_SetPeer(GSocket *socket, GAddress *address)
398 {
399 assert(socket != NULL);
400
401 /* check address */
402 if (address == NULL || address->m_family == GSOCK_NOFAMILY)
403 {
404 socket->m_error = GSOCK_INVADDR;
405 return GSOCK_INVADDR;
406 }
407
408 if (socket->m_peer)
409 GAddress_destroy(socket->m_peer);
410
411 socket->m_peer = GAddress_copy(address);
412
413 return GSOCK_NOERROR;
414 }
415
416 GAddress *GSocket_GetLocal(GSocket *socket)
417 {
418 GAddress *address = NULL ;
419 GSocketError err;
420 InetAddress loc ;
421
422 assert(socket != NULL);
423
424 /* try to get it from the m_local var first */
425 if (socket->m_local)
426 return GAddress_copy(socket->m_local);
427
428 /* else, if the socket is initialized, try getsockname */
429 if (socket->m_endpoint == kOTInvalidEndpointRef)
430 {
431 socket->m_error = GSOCK_INVSOCK;
432 return NULL;
433 }
434
435
436 /* we do not support multihoming with this code at the moment
437 OTGetProtAddress will have to be used then - but we don't have a handy
438 method to use right now
439 */
440 {
441 InetInterfaceInfo info;
442 OTInetGetInterfaceInfo(&info, kDefaultInetInterface);
443 loc.fHost = info.fAddress ;
444 loc.fPort = 0 ;
445 loc.fAddressType = AF_INET ;
446 }
447
448 /* got a valid address from getsockname, create a GAddress object */
449 address = GAddress_new();
450 if (address == NULL)
451 {
452 socket->m_error = GSOCK_MEMERR;
453 return NULL;
454 }
455
456 err = _GAddress_translate_from(address, &loc);
457 if (err != GSOCK_NOERROR)
458 {
459 GAddress_destroy(address);
460 socket->m_error = err;
461 return NULL;
462 }
463
464 return address;
465 }
466
467 GAddress *GSocket_GetPeer(GSocket *socket)
468 {
469 assert(socket != NULL);
470
471 /* try to get it from the m_peer var */
472 if (socket->m_peer)
473 return GAddress_copy(socket->m_peer);
474
475 return NULL;
476 }
477
478 /* Server specific parts */
479
480 /* GSocket_SetServer:
481 * Sets up this socket as a server. The local address must have been
482 * set with GSocket_SetLocal() before GSocket_SetServer() is called.
483 * Returns GSOCK_NOERROR on success, one of the following otherwise:
484 *
485 * Error codes:
486 * GSOCK_INVSOCK - the socket is in use.
487 * GSOCK_INVADDR - the local address has not been set.
488 * GSOCK_IOERR - low-level error.
489 */
490 GSocketError GSocket_SetServer(GSocket *sck)
491 {
492 assert(sck != NULL);
493
494 /* must not be in use */
495 if (sck->m_endpoint != kOTInvalidEndpointRef )
496 {
497 sck->m_error = GSOCK_INVSOCK;
498 return GSOCK_INVSOCK;
499 }
500
501 /* the local addr must have been set */
502 if (!sck->m_local)
503 {
504 sck->m_error = GSOCK_INVADDR;
505 return GSOCK_INVADDR;
506 }
507
508 /* Initialize all fields */
509 sck->m_stream = TRUE;
510 sck->m_server = TRUE;
511 sck->m_oriented = TRUE;
512
513 // TODO
514 #if 0
515 /* Create the socket */
516 sck->m_endpoint = socket(sck->m_local->m_realfamily, SOCK_STREAM, 0);
517 socket_set_ref( sck->m_endpoint , (unsigned long) &gMacNetEvents , (unsigned long) sck ) ;
518 if (sck->m_endpoint == kOTInvalidEndpointRef)
519 {
520 sck->m_error = GSOCK_IOERR;
521 return GSOCK_IOERR;
522 }
523
524 ioctl(sck->m_endpoint, FIONBIO, &arg);
525 _GSocket_Enable_Events(sck);
526
527 /* Bind to the local address,
528 * retrieve the actual address bound,
529 * and listen up to 5 connections.
530 */
531 if ((bind(sck->m_endpoint, sck->m_local->m_addr, sck->m_local->m_len) != 0) ||
532 (getsockname(sck->m_endpoint,
533 sck->m_local->m_addr,
534 (SOCKLEN_T *) &sck->m_local->m_len) != 0) ||
535 (listen(sck->m_endpoint, 5) != 0))
536 {
537 close(sck->m_endpoint);
538 sck->m_endpoint = -1;
539 sck->m_error = GSOCK_IOERR;
540 return GSOCK_IOERR;
541 }
542 #endif
543 return GSOCK_NOERROR;
544 }
545
546 /* GSocket_WaitConnection:
547 * Waits for an incoming client connection. Returns a pointer to
548 * a GSocket object, or NULL if there was an error, in which case
549 * the last error field will be updated for the calling GSocket.
550 *
551 * Error codes (set in the calling GSocket)
552 * GSOCK_INVSOCK - the socket is not valid or not a server.
553 * GSOCK_TIMEDOUT - timeout, no incoming connections.
554 * GSOCK_WOULDBLOCK - the call would block and the socket is nonblocking.
555 * GSOCK_MEMERR - couldn't allocate memory.
556 * GSOCK_IOERR - low-level error.
557 */
558 GSocket *GSocket_WaitConnection(GSocket *socket)
559 {
560 GSocket *connection = NULL ;
561
562 assert(socket != NULL);
563
564 /* Reenable CONNECTION events */
565 socket->m_detected &= ~GSOCK_CONNECTION_FLAG;
566
567 /* If the socket has already been created, we exit immediately */
568 if (socket->m_endpoint == kOTInvalidEndpointRef || !socket->m_server)
569 {
570 socket->m_error = GSOCK_INVSOCK;
571 return NULL;
572 }
573
574 /* Create a GSocket object for the new connection */
575 connection = GSocket_new();
576
577 if (!connection)
578 {
579 socket->m_error = GSOCK_MEMERR;
580 return NULL;
581 }
582
583 /* Wait for a connection (with timeout) */
584 if (_GSocket_Input_Timeout(socket) == GSOCK_TIMEDOUT)
585 {
586 GSocket_destroy(connection);
587 /* socket->m_error set by _GSocket_Input_Timeout */
588 return NULL;
589 }
590
591 // TODO
592 #if 0
593 connection->m_endpoint = accept(socket->m_endpoint, &from, (SOCKLEN_T *) &fromlen);
594 #endif
595
596 if (connection->m_endpoint == kOTInvalidEndpointRef )
597 {
598 if (errno == EWOULDBLOCK)
599 socket->m_error = GSOCK_WOULDBLOCK;
600 else
601 socket->m_error = GSOCK_IOERR;
602
603 GSocket_destroy(connection);
604 return NULL;
605 }
606
607 /* Initialize all fields */
608 connection->m_server = FALSE;
609 connection->m_stream = TRUE;
610 connection->m_oriented = TRUE;
611
612 /* Setup the peer address field */
613 connection->m_peer = GAddress_new();
614 if (!connection->m_peer)
615 {
616 GSocket_destroy(connection);
617 socket->m_error = GSOCK_MEMERR;
618 return NULL;
619 }
620 // TODO
621 #if 0
622 err = _GAddress_translate_from(connection->m_peer, &from, fromlen);
623 if (err != GSOCK_NOERROR)
624 {
625 GAddress_destroy(connection->m_peer);
626 GSocket_destroy(connection);
627 socket->m_error = err;
628 return NULL;
629 }
630
631 ioctl(connection->m_endpoint, FIONBIO, &arg);
632 #endif
633 _GSocket_Enable_Events(connection);
634
635 return connection;
636 }
637
638 /* Datagram sockets */
639
640 /* GSocket_SetNonOriented:
641 * Sets up this socket as a non-connection oriented (datagram) socket.
642 * Before using this function, the local address must have been set
643 * with GSocket_SetLocal(), or the call will fail. Returns GSOCK_NOERROR
644 * on success, or one of the following otherwise.
645 *
646 * Error codes:
647 * GSOCK_INVSOCK - the socket is in use.
648 * GSOCK_INVADDR - the local address has not been set.
649 * GSOCK_IOERR - low-level error.
650 */
651 GSocketError GSocket_SetNonOriented(GSocket *sck)
652 {
653 assert(sck != NULL);
654
655 if (sck->m_endpoint != kOTInvalidEndpointRef )
656 {
657 sck->m_error = GSOCK_INVSOCK;
658 return GSOCK_INVSOCK;
659 }
660
661 if (!sck->m_local)
662 {
663 sck->m_error = GSOCK_INVADDR;
664 return GSOCK_INVADDR;
665 }
666
667 /* Initialize all fields */
668 sck->m_stream = FALSE;
669 sck->m_server = FALSE;
670 sck->m_oriented = FALSE;
671
672 /* Create the socket */
673
674 // TODO
675 #if 0
676 sck->m_endpoint = socket(sck->m_local->m_realfamily, SOCK_DGRAM, 0);
677 socket_set_ref( sck->m_endpoint , (unsigned long) &gMacNetEvents , (unsigned long) sck ) ;
678 #endif
679 if (sck->m_endpoint == kOTInvalidEndpointRef )
680 {
681 sck->m_error = GSOCK_IOERR;
682 return GSOCK_IOERR;
683 }
684
685 // TODO
686 #if 0
687 ioctl(sck->m_endpoint, FIONBIO, &arg);
688 #endif
689 _GSocket_Enable_Events(sck);
690
691 /* Bind to the local address,
692 * and retrieve the actual address bound.
693 */
694 // TODO
695 #if 0
696 if ((bind(sck->m_endpoint, sck->m_local->m_addr, sck->m_local->m_len) != 0) ||
697 (getsockname(sck->m_endpoint,
698 sck->m_local->m_addr,
699 (SOCKLEN_T *) &sck->m_local->m_len) != 0))
700 {
701 close(sck->m_endpoint);
702 sck->m_endpoint = -1;
703 sck->m_error = GSOCK_IOERR;
704 return GSOCK_IOERR;
705 }
706 #endif
707 return GSOCK_NOERROR;
708 }
709
710 /* Client specific parts */
711
712 /* GSocket_Connect:
713 * For stream (connection oriented) sockets, GSocket_Connect() tries
714 * to establish a client connection to a server using the peer address
715 * as established with GSocket_SetPeer(). Returns GSOCK_NOERROR if the
716 * connection has been succesfully established, or one of the error
717 * codes listed below. Note that for nonblocking sockets, a return
718 * value of GSOCK_WOULDBLOCK doesn't mean a failure. The connection
719 * request can be completed later; you should use GSocket_Select()
720 * to poll for GSOCK_CONNECTION | GSOCK_LOST, or wait for the
721 * corresponding asynchronous events.
722 *
723 * For datagram (non connection oriented) sockets, GSocket_Connect()
724 * just sets the peer address established with GSocket_SetPeer() as
725 * default destination.
726 *
727 * Error codes:
728 * GSOCK_INVSOCK - the socket is in use or not valid.
729 * GSOCK_INVADDR - the peer address has not been established.
730 * GSOCK_TIMEDOUT - timeout, the connection failed.
731 * GSOCK_WOULDBLOCK - connection in progress (nonblocking sockets only)
732 * GSOCK_MEMERR - couldn't allocate memory.
733 * GSOCK_IOERR - low-level error.
734 */
735 GSocketError GSocket_Connect(GSocket *sck, GSocketStream stream)
736 {
737 InetAddress addr ;
738 TEndpointInfo info;
739 OSStatus err = kOTNoError;
740 TCall peer ;
741
742 assert(sck != NULL);
743
744 /* Enable CONNECTION events (needed for nonblocking connections) */
745 sck->m_detected &= ~GSOCK_CONNECTION_FLAG;
746
747 if (sck->m_endpoint != kOTInvalidEndpointRef )
748 {
749 sck->m_error = GSOCK_INVSOCK;
750 return GSOCK_INVSOCK;
751 }
752
753 if (!sck->m_peer)
754 {
755 sck->m_error = GSOCK_INVADDR;
756 return GSOCK_INVADDR;
757 }
758
759 /* Streamed or dgram socket? */
760 sck->m_stream = (stream == GSOCK_STREAMED);
761 sck->m_oriented = TRUE;
762 sck->m_server = FALSE;
763
764 /* Create the socket */
765 #if TARGET_CARBON
766 sck->m_endpoint =
767 OTOpenEndpointInContext( OTCreateConfiguration( kTCPName) , 0 , &info , &err , NULL ) ;
768 #else
769 sck->m_endpoint =
770 OTOpenEndpoint( OTCreateConfiguration( kTCPName) , 0 , &info , &err ) ;
771 #endif
772 if ( sck->m_endpoint == kOTInvalidEndpointRef || err != kOTNoError )
773 {
774 sck->m_endpoint = kOTInvalidEndpointRef ;
775 sck->m_error = GSOCK_IOERR;
776 return GSOCK_IOERR;
777 }
778 err = OTBind( sck->m_endpoint , nil , nil ) ;
779 if ( err != kOTNoError )
780 {
781 return GSOCK_IOERR;
782 }
783 SetDefaultEndpointModes( sck->m_endpoint , sck ) ;
784 // TODO
785 #if 0
786 ioctl(sck->m_endpoint, FIONBIO, &arg);
787 #endif
788 _GSocket_Enable_Events(sck);
789
790 _GAddress_translate_to( sck->m_peer , &addr ) ;
791 memset( &peer , 0 , sizeof( TCall ) ) ;
792 peer.addr.len = sizeof( InetAddress ) ;
793 peer.addr.buf = (unsigned char*) &addr ;
794 err = OTConnect( sck->m_endpoint , &peer , nil ) ;
795 if ( err != noErr )
796 {
797 /* If connect failed with EINPROGRESS and the GSocket object
798 * is in blocking mode, we select() for the specified timeout
799 * checking for writability to see if the connection request
800 * completes.
801 */
802
803 if ((err == kOTNoDataErr ) && (!sck->m_non_blocking))
804 {
805 if (_GSocket_Output_Timeout(sck) == GSOCK_TIMEDOUT)
806 {
807 OTSndOrderlyDisconnect( sck->m_endpoint ) ;
808 sck->m_endpoint = kOTInvalidEndpointRef ;
809 /* sck->m_error is set in _GSocket_Output_Timeout */
810 return GSOCK_TIMEDOUT;
811 }
812 else
813 {
814 /*
815 int error;
816 SOCKLEN_T len = sizeof(error);
817
818 getsockopt(sck->m_endpoint, SOL_SOCKET, SO_ERROR, (void*) &error, &len);
819
820 if (!error)
821 */
822 return GSOCK_NOERROR;
823 }
824 }
825
826 /* If connect failed with EINPROGRESS and the GSocket object
827 * is set to nonblocking, we set m_error to GSOCK_WOULDBLOCK
828 * (and return GSOCK_WOULDBLOCK) but we don't close the socket;
829 * this way if the connection completes, a GSOCK_CONNECTION
830 * event will be generated, if enabled.
831 */
832 if ((err == kOTNoDataErr) && (sck->m_non_blocking))
833 {
834 sck->m_error = GSOCK_WOULDBLOCK;
835 return GSOCK_WOULDBLOCK;
836 }
837
838 /* If connect failed with an error other than EINPROGRESS,
839 * then the call to GSocket_Connect has failed.
840 */
841 OTSndOrderlyDisconnect( sck->m_endpoint ) ;
842
843 sck->m_endpoint = kOTInvalidEndpointRef ;
844 sck->m_error = GSOCK_IOERR;
845 return GSOCK_IOERR;
846 }
847 // OTInetEventHandler(sck, T_CONNECT , kOTNoError , NULL ) ;
848 return GSOCK_NOERROR;
849 }
850
851 /* Generic IO */
852
853 /* Like recv(), send(), ... */
854 int GSocket_Read(GSocket *socket, char *buffer, int size)
855 {
856 int ret = 0 ;
857
858 assert(socket != NULL);
859
860 /* Reenable INPUT events */
861 socket->m_detected &= ~GSOCK_INPUT_FLAG;
862
863 if (socket->m_endpoint == kOTInvalidEndpointRef || socket->m_server)
864 {
865 socket->m_error = GSOCK_INVSOCK;
866 return -1;
867 }
868
869 /* If the socket is blocking, wait for data (with a timeout) */
870 if (_GSocket_Input_Timeout(socket) == GSOCK_TIMEDOUT)
871 return -1;
872
873 /* Read the data */
874 if (socket->m_stream)
875 ret = _GSocket_Recv_Stream(socket, buffer, size);
876 else
877 ret = _GSocket_Recv_Dgram(socket, buffer, size);
878
879 if (ret == -1)
880 {
881 if (errno == EWOULDBLOCK)
882 socket->m_error = GSOCK_WOULDBLOCK;
883 else
884 socket->m_error = GSOCK_IOERR;
885 }
886
887 return ret;
888 }
889
890 int GSocket_Write(GSocket *socket, const char *buffer, int size)
891 {
892 int ret;
893
894 assert(socket != NULL);
895
896 if (socket->m_endpoint == kOTInvalidEndpointRef || socket->m_server)
897 {
898 socket->m_error = GSOCK_INVSOCK;
899 return -1;
900 }
901
902 /* If the socket is blocking, wait for writability (with a timeout) */
903 if (_GSocket_Output_Timeout(socket) == GSOCK_TIMEDOUT)
904 return -1;
905
906 /* Write the data */
907 if (socket->m_stream)
908 ret = _GSocket_Send_Stream(socket, buffer, size);
909 else
910 ret = _GSocket_Send_Dgram(socket, buffer, size);
911
912 if (ret == -1)
913 {
914 if (errno == EWOULDBLOCK)
915 socket->m_error = GSOCK_WOULDBLOCK;
916 else
917 socket->m_error = GSOCK_IOERR;
918
919 /* Only reenable OUTPUT events after an error (just like WSAAsyncSelect
920 * in MSW). Once the first OUTPUT event is received, users can assume
921 * that the socket is writable until a read operation fails. Only then
922 * will further OUTPUT events be posted.
923 */
924 socket->m_detected &= ~GSOCK_OUTPUT_FLAG;
925 return -1;
926 }
927
928 return ret;
929 }
930
931 /* GSocket_Select:
932 * Polls the socket to determine its status. This function will
933 * check for the events specified in the 'flags' parameter, and
934 * it will return a mask indicating which operations can be
935 * performed. This function won't block, regardless of the
936 * mode (blocking | nonblocking) of the socket.
937 */
938 GSocketEventFlags GSocket_Select(GSocket *socket, GSocketEventFlags flags)
939 {
940 assert(socket != NULL);
941 wxMacProcessNotifierEvents() ;
942 /*
943 state = OTGetEndpointState(socket->m_endpoint);
944
945 if ( ( flags & GSOCK_INPUT_FLAG ) && ! ( socket->m_detected & GSOCK_INPUT_FLAG ) )
946 {
947 size_t sz = 0 ;
948 OTCountDataBytes( socket->m_endpoint , &sz ) ;
949 if ( state == T_INCON || sz > 0 )
950 {
951 socket->m_detected |= GSOCK_INPUT_FLAG ;
952 (socket->m_cbacks[GSOCK_INPUT])(socket, GSOCK_INPUT, socket->m_data[GSOCK_INPUT]);
953 }
954 }
955 if ( ( flags & GSOCK_INPUT_FLAG ) && ! ( socket->m_detected & GSOCK_OUTPUT_FLAG ) )
956 {
957 if ( state == T_DATAXFER || state == T_INREL )
958 {
959 socket->m_detected |=GSOCK_OUTPUT_FLAG ;
960 (socket->m_cbacks[GSOCK_OUTPUT])(socket, GSOCK_OUTPUT, socket->m_data[GSOCK_OUTPUT]);
961 }
962 }
963 */
964 return ( flags & socket->m_detected ) ;
965 }
966
967 /* Flags */
968
969 /* GSocket_SetNonBlocking:
970 * Sets the socket to non-blocking mode. All IO calls will return
971 * immediately.
972 */
973 void GSocket_SetNonBlocking(GSocket *socket, int non_block)
974 {
975 assert(socket != NULL);
976
977 socket->m_non_blocking = non_block;
978 }
979
980 /* GSocket_SetTimeout:
981 * Sets the timeout for blocking calls. Time is expressed in
982 * milliseconds.
983 */
984 void GSocket_SetTimeout(GSocket *socket, unsigned long millisec)
985 {
986 assert(socket != NULL);
987
988 // this is usually set too high and we have not yet been able to detect a closed
989 // stream, thus we leave the 10 sec timeout
990 // socket->m_timeout = millisec;
991 }
992
993 /* GSocket_GetError:
994 * Returns the last error occured for this socket. Note that successful
995 * operations do not clear this back to GSOCK_NOERROR, so use it only
996 * after an error.
997 */
998 GSocketError GSocket_GetError(GSocket *socket)
999 {
1000 assert(socket != NULL);
1001
1002 return socket->m_error;
1003 }
1004
1005 /* Callbacks */
1006
1007 /* GSOCK_INPUT:
1008 * There is data to be read in the input buffer. If, after a read
1009 * operation, there is still data available, the callback function will
1010 * be called again.
1011 * GSOCK_OUTPUT:
1012 * The socket is available for writing. That is, the next write call
1013 * won't block. This event is generated only once, when the connection is
1014 * first established, and then only if a call failed with GSOCK_WOULDBLOCK,
1015 * when the output buffer empties again. This means that the app should
1016 * assume that it can write since the first OUTPUT event, and no more
1017 * OUTPUT events will be generated unless an error occurs.
1018 * GSOCK_CONNECTION:
1019 * Connection succesfully established, for client sockets, or incoming
1020 * client connection, for server sockets. Wait for this event (also watch
1021 * out for GSOCK_LOST) after you issue a nonblocking GSocket_Connect() call.
1022 * GSOCK_LOST:
1023 * The connection is lost (or a connection request failed); this could
1024 * be due to a failure, or due to the peer closing it gracefully.
1025 */
1026
1027 /* GSocket_SetCallback:
1028 * Enables the callbacks specified by 'flags'. Note that 'flags'
1029 * may be a combination of flags OR'ed toghether, so the same
1030 * callback function can be made to accept different events.
1031 * The callback function must have the following prototype:
1032 *
1033 * void function(GSocket *socket, GSocketEvent event, char *cdata)
1034 */
1035 void GSocket_SetCallback(GSocket *socket, GSocketEventFlags flags,
1036 GSocketCallback callback, char *cdata)
1037 {
1038 int count;
1039
1040 assert(socket != NULL);
1041
1042 for (count = 0; count < GSOCK_MAX_EVENT; count++)
1043 {
1044 if ((flags & (1 << count)) != 0)
1045 {
1046 socket->m_cbacks[count] = callback;
1047 socket->m_data[count] = cdata;
1048 }
1049 }
1050 }
1051
1052 /* GSocket_UnsetCallback:
1053 * Disables all callbacks specified by 'flags', which may be a
1054 * combination of flags OR'ed toghether.
1055 */
1056 void GSocket_UnsetCallback(GSocket *socket, GSocketEventFlags flags)
1057 {
1058 int count;
1059
1060 assert(socket != NULL);
1061
1062 for (count = 0; count < GSOCK_MAX_EVENT; count++)
1063 {
1064 if ((flags & (1 << count)) != 0)
1065 {
1066 socket->m_cbacks[count] = NULL;
1067 socket->m_data[count] = NULL;
1068 }
1069 }
1070 }
1071
1072
1073 #define CALL_CALLBACK(socket, event) { \
1074 _GSocket_Disable(socket, event); \
1075 if (socket->m_cbacks[event]) \
1076 socket->m_cbacks[event](socket, event, socket->m_data[event]); \
1077 }
1078
1079 int _GSocket_Recv_Stream(GSocket *socket, char *buffer, int size)
1080 {
1081 OTFlags flags ;
1082 OTResult res ;
1083 OTByteCount sz = 0 ;
1084
1085 OTCountDataBytes( socket->m_endpoint , &sz ) ;
1086 if ( size > (int)sz )
1087 size = sz ;
1088 res = OTRcv( socket->m_endpoint , buffer , size , &flags ) ;
1089 if ( res < 0 )
1090 {
1091 return -1 ;
1092 }
1093
1094 // we simulate another read event if there are still bytes
1095 if ( socket->m_takesEvents )
1096 {
1097 OTByteCount sz = 0 ;
1098 OTCountDataBytes( socket->m_endpoint , &sz ) ;
1099 if ( sz > 0 )
1100 {
1101 socket->m_detected |= GSOCK_INPUT_FLAG ;
1102 (socket->m_cbacks[GSOCK_INPUT])(socket, GSOCK_INPUT, socket->m_data[GSOCK_INPUT]);
1103 }
1104 }
1105 return res ;
1106 }
1107
1108 int _GSocket_Recv_Dgram(GSocket *socket, char *buffer, int size)
1109 {
1110 // TODO
1111 int ret = -1;
1112 #if 0
1113 struct sockaddr from;
1114 SOCKLEN_T fromlen = sizeof(from);
1115 GSocketError err;
1116
1117 fromlen = sizeof(from);
1118
1119 ret = recvfrom(socket->m_endpoint, buffer, size, 0, &from, (SOCKLEN_T *) &fromlen);
1120
1121 if (ret == -1)
1122 return -1;
1123
1124 /* Translate a system address into a GSocket address */
1125 if (!socket->m_peer)
1126 {
1127 socket->m_peer = GAddress_new();
1128 if (!socket->m_peer)
1129 {
1130 socket->m_error = GSOCK_MEMERR;
1131 return -1;
1132 }
1133 }
1134 err = _GAddress_translate_from(socket->m_peer, &from, fromlen);
1135 if (err != GSOCK_NOERROR)
1136 {
1137 GAddress_destroy(socket->m_peer);
1138 socket->m_peer = NULL;
1139 socket->m_error = err;
1140 return -1;
1141 }
1142 #endif
1143 return ret;
1144 }
1145
1146 int _GSocket_Send_Stream(GSocket *socket, const char *buffer, int size)
1147 {
1148 OTFlags flags = 0 ;
1149 OTResult res ;
1150
1151 res = OTSnd( socket->m_endpoint , (void*) buffer , size , flags ) ;
1152 return res ;
1153 }
1154
1155 int _GSocket_Send_Dgram(GSocket *socket, const char *buffer, int size)
1156 {
1157 int ret = -1 ;
1158 // TODO
1159 #if 0
1160 struct sockaddr *addr;
1161 int len ;
1162 GSocketError err;
1163
1164 if (!socket->m_peer)
1165 {
1166 socket->m_error = GSOCK_INVADDR;
1167 return -1;
1168 }
1169
1170 err = _GAddress_translate_to(socket->m_peer, &addr, &len);
1171 if (err != GSOCK_NOERROR)
1172 {
1173 socket->m_error = err;
1174 return -1;
1175 }
1176
1177 ret = sendto(socket->m_endpoint, buffer, size, 0, addr, len);
1178
1179 /* Frees memory allocated from _GAddress_translate_to */
1180 free(addr);
1181 #endif
1182 return ret;
1183 }
1184
1185
1186 /*
1187 * -------------------------------------------------------------------------
1188 * GAddress
1189 * -------------------------------------------------------------------------
1190 */
1191
1192 /* CHECK_ADDRESS verifies that the current family is either GSOCK_NOFAMILY
1193 * or GSOCK_*family*, and if it is GSOCK_NOFAMILY, it initalizes address
1194 * to be a GSOCK_*family*. In other cases, it returns GSOCK_INVADDR.
1195 */
1196 #define CHECK_ADDRESS(address, family, retval) \
1197 { \
1198 if (address->m_family == GSOCK_NOFAMILY) \
1199 if (_GAddress_Init_##family(address) != GSOCK_NOERROR) \
1200 return address->m_error; \
1201 if (address->m_family != GSOCK_##family) \
1202 { \
1203 address->m_error = GSOCK_INVADDR; \
1204 return retval; \
1205 } \
1206 }
1207
1208 GAddress *GAddress_new()
1209 {
1210 GAddress *address;
1211
1212 if ((address = (GAddress *) malloc(sizeof(GAddress))) == NULL)
1213 return NULL;
1214
1215 address->m_family = GSOCK_NOFAMILY;
1216 address->m_host = INADDR_NONE ;
1217 address->m_port = 0 ;
1218
1219 return address;
1220 }
1221
1222 GAddress *GAddress_copy(GAddress *address)
1223 {
1224 GAddress *addr2;
1225
1226 assert(address != NULL);
1227
1228 if ((addr2 = (GAddress *) malloc(sizeof(GAddress))) == NULL)
1229 return NULL;
1230
1231 memcpy(addr2, address, sizeof(GAddress));
1232 return addr2;
1233 }
1234
1235 void GAddress_destroy(GAddress *address)
1236 {
1237 assert(address != NULL);
1238
1239 free(address);
1240 }
1241
1242 void GAddress_SetFamily(GAddress *address, GAddressType type)
1243 {
1244 assert(address != NULL);
1245
1246 address->m_family = type;
1247 }
1248
1249 GAddressType GAddress_GetFamily(GAddress *address)
1250 {
1251 assert(address != NULL);
1252
1253 return address->m_family;
1254 }
1255
1256 GSocketError _GAddress_translate_from(GAddress *address,
1257 InetAddress *addr)
1258 {
1259 switch (addr->fAddressType)
1260 {
1261 case AF_INET:
1262 address->m_family = GSOCK_INET;
1263 break;
1264 #ifdef AF_INET6
1265 case AF_INET6:
1266 address->m_family = GSOCK_INET6;
1267 break;
1268 #endif
1269 default:
1270 {
1271 address->m_error = GSOCK_INVOP;
1272 return GSOCK_INVOP;
1273 }
1274 }
1275 address->m_host = addr->fHost ;
1276 address->m_port = addr->fPort ;
1277 return GSOCK_NOERROR;
1278 }
1279
1280 GSocketError _GAddress_translate_to(GAddress *address,
1281 InetAddress *addr)
1282 {
1283 if ( GSocket_Verify_Inited() == FALSE )
1284 return GSOCK_IOERR ;
1285 memset(addr, 0 , sizeof(struct InetAddress));
1286 OTInitInetAddress( addr , address->m_port , address->m_host ) ;
1287 return GSOCK_NOERROR;
1288 }
1289
1290 /*
1291 * -------------------------------------------------------------------------
1292 * Internet address family
1293 * -------------------------------------------------------------------------
1294 */
1295
1296 GSocketError _GAddress_Init_INET(GAddress *address)
1297 {
1298 address->m_family = GSOCK_INET;
1299 address->m_host = kOTAnyInetAddress ;
1300
1301 return GSOCK_NOERROR;
1302 }
1303
1304 GSocketError GAddress_INET_SetHostName(GAddress *address, const char *hostname)
1305 {
1306 InetHostInfo hinfo ;
1307 OSStatus ret ;
1308
1309 if ( GSocket_Verify_Inited() == FALSE )
1310 return GSOCK_IOERR ;
1311
1312 assert(address != NULL);
1313
1314 CHECK_ADDRESS(address, INET, GSOCK_INVADDR);
1315 ret = OTInetStringToAddress( gInetSvcRef , (char*) hostname , &hinfo ) ;
1316 if ( ret != kOTNoError )
1317 {
1318 address->m_host = INADDR_NONE ;
1319 address->m_error = GSOCK_NOHOST;
1320 return GSOCK_NOHOST;
1321 }
1322 address->m_host = hinfo.addrs[0] ;
1323 return GSOCK_NOERROR;
1324 }
1325
1326 GSocketError GAddress_INET_SetAnyAddress(GAddress *address)
1327 {
1328 return GAddress_INET_SetHostAddress(address, INADDR_ANY);
1329 }
1330
1331 GSocketError GAddress_INET_SetHostAddress(GAddress *address,
1332 unsigned long hostaddr)
1333 {
1334 assert(address != NULL);
1335
1336 CHECK_ADDRESS(address, INET, GSOCK_INVADDR);
1337
1338 address->m_host = htonl(hostaddr) ;
1339
1340 return GSOCK_NOERROR;
1341 }
1342
1343 struct service_entry
1344 {
1345 char * name ;
1346 unsigned short port ;
1347 char * protocol ;
1348 } ;
1349 typedef struct service_entry service_entry ;
1350
1351 service_entry gServices[] =
1352 {
1353 { "http" , 80 , "tcp" }
1354 } ;
1355
1356 GSocketError GAddress_INET_SetPortName(GAddress *address, const char *port,
1357 const char *protocol)
1358 {
1359 size_t i ;
1360
1361 assert(address != NULL);
1362 CHECK_ADDRESS(address, INET, GSOCK_INVADDR);
1363
1364 if (!port)
1365 {
1366 address->m_error = GSOCK_INVPORT;
1367 return GSOCK_INVPORT;
1368 }
1369 for ( i = 0 ; i < sizeof( gServices) / sizeof( service_entry ) ; ++i )
1370 {
1371 if ( strcmp( port , gServices[i].name ) == 0 )
1372 {
1373 if ( protocol == NULL || strcmp( protocol , gServices[i].protocol ) )
1374 {
1375 address->m_port = gServices[i].port ;
1376 return GSOCK_NOERROR;
1377 }
1378 }
1379 }
1380
1381 if (isdigit(port[0]))
1382 {
1383 address->m_port = atoi(port);
1384 return GSOCK_NOERROR;
1385 }
1386
1387 address->m_error = GSOCK_INVPORT;
1388 return GSOCK_INVPORT;
1389 }
1390
1391 GSocketError GAddress_INET_SetPort(GAddress *address, unsigned short port)
1392 {
1393 assert(address != NULL);
1394 CHECK_ADDRESS(address, INET, GSOCK_INVADDR);
1395 address->m_port = port ;
1396
1397 return GSOCK_NOERROR;
1398 }
1399
1400 GSocketError GAddress_INET_GetHostName(GAddress *address, char *hostname, size_t sbuf)
1401 {
1402 InetDomainName name ;
1403 if ( GSocket_Verify_Inited() == FALSE )
1404 return GSOCK_IOERR ;
1405
1406 assert(address != NULL);
1407 CHECK_ADDRESS(address, INET, GSOCK_INVADDR);
1408
1409 OTInetAddressToName( gInetSvcRef , address->m_host , name ) ;
1410 strncpy( hostname , name , sbuf ) ;
1411 return GSOCK_NOERROR;
1412 }
1413
1414 unsigned long GAddress_INET_GetHostAddress(GAddress *address)
1415 {
1416 assert(address != NULL);
1417 CHECK_ADDRESS(address, INET, 0);
1418
1419 return ntohl(address->m_host);
1420 }
1421
1422 unsigned short GAddress_INET_GetPort(GAddress *address)
1423 {
1424 assert(address != NULL);
1425 CHECK_ADDRESS(address, INET, 0);
1426
1427 return address->m_port;
1428 }
1429
1430 void _GSocket_Enable_Events(GSocket *socket)
1431 {
1432 if ( socket->m_takesEvents )
1433 return ;
1434
1435 {
1436 OTResult state ;
1437 socket->m_takesEvents = TRUE ;
1438 state = OTGetEndpointState(socket->m_endpoint);
1439
1440 {
1441 OTByteCount sz = 0 ;
1442 OTCountDataBytes( socket->m_endpoint , &sz ) ;
1443 if ( state == T_INCON || sz > 0 )
1444 {
1445 socket->m_detected |= GSOCK_INPUT_FLAG ;
1446 (socket->m_cbacks[GSOCK_INPUT])(socket, GSOCK_INPUT, socket->m_data[GSOCK_INPUT]);
1447 }
1448 }
1449 {
1450 if ( state == T_DATAXFER || state == T_INREL )
1451 {
1452 socket->m_detected |=GSOCK_OUTPUT_FLAG ;
1453 (socket->m_cbacks[GSOCK_OUTPUT])(socket, GSOCK_OUTPUT, socket->m_data[GSOCK_OUTPUT]);
1454 }
1455 }
1456 }
1457 }
1458
1459 void _GSocket_Disable_Events(GSocket *socket)
1460 {
1461 socket->m_takesEvents = FALSE ;
1462 }
1463
1464 /* _GSocket_Input_Timeout:
1465 * For blocking sockets, wait until data is available or
1466 * until timeout ellapses.
1467 */
1468 GSocketError _GSocket_Input_Timeout(GSocket *socket)
1469 {
1470 if ( !socket->m_non_blocking )
1471 {
1472 UnsignedWide now , start ;
1473 short formerTakesEvents = socket->m_takesEvents ;
1474 Microseconds(&start);
1475 now = start ;
1476 socket->m_takesEvents = FALSE ;
1477
1478 while( (now.hi * 4294967296.0 + now.lo) - (start.hi * 4294967296.0 + start.lo) < socket->m_timeout * 1000.0 )
1479 {
1480 OTResult state ;
1481 OTByteCount sz = 0 ;
1482 state = OTGetEndpointState(socket->m_endpoint);
1483
1484 OTCountDataBytes( socket->m_endpoint , &sz ) ;
1485 if ( state == T_INCON || sz > 0 )
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 /* _GSocket_Output_Timeout:
1500 * For blocking sockets, wait until data can be sent without
1501 * blocking or until timeout ellapses.
1502 */
1503 GSocketError _GSocket_Output_Timeout(GSocket *socket)
1504 {
1505 if ( !socket->m_non_blocking )
1506 {
1507 UnsignedWide now , start ;
1508 short formerTakesEvents = socket->m_takesEvents ;
1509 Microseconds(&start);
1510 now = start ;
1511 socket->m_takesEvents = FALSE ;
1512
1513 while( (now.hi * 4294967296.0 + now.lo) - (start.hi * 4294967296.0 + start.lo) < socket->m_timeout * 1000.0 )
1514 {
1515 OTResult state ;
1516 state = OTGetEndpointState(socket->m_endpoint);
1517
1518 if ( state == T_DATAXFER || state == T_INREL )
1519 {
1520 socket->m_takesEvents = formerTakesEvents ;
1521 return GSOCK_NOERROR;
1522 }
1523 Microseconds(&now);
1524 }
1525 socket->m_takesEvents = formerTakesEvents ;
1526 socket->m_error = GSOCK_TIMEDOUT;
1527 return GSOCK_TIMEDOUT;
1528 }
1529 return GSOCK_NOERROR;
1530 }
1531
1532 /* GSOCK_INPUT:
1533 * There is data to be read in the input buffer. If, after a read
1534 * operation, there is still data available, the callback function will
1535 * be called again.
1536 * GSOCK_OUTPUT:
1537 * The socket is available for writing. That is, the next write call
1538 * won't block. This event is generated only once, when the connection is
1539 * first established, and then only if a call failed with GSOCK_WOULDBLOCK,
1540 * when the output buffer empties again. This means that the app should
1541 * assume that it can write since the first OUTPUT event, and no more
1542 * OUTPUT events will be generated unless an error occurs.
1543 * GSOCK_CONNECTION:
1544 * Connection succesfully established, for client sockets, or incoming
1545 * client connection, for server sockets. Wait for this event (also watch
1546 * out for GSOCK_LOST) after you issue a nonblocking GSocket_Connect() call.
1547 * GSOCK_LOST:
1548 * The connection is lost (or a connection request failed); this could
1549 * be due to a failure, or due to the peer closing it gracefully.
1550 */
1551
1552 void _GSocket_Internal_Proc(unsigned long e , void* d )
1553 {
1554
1555 GSocket * socket = (GSocket*) d ;
1556 OTEventCode ev = (OTEventCode) e ;
1557 GSocketEvent event;
1558 GSocketEvent event2;
1559 GSocketCallback cback;
1560 char *data;
1561 GSocketCallback cback2;
1562 char *data2;
1563
1564 if ( !socket )
1565 return ;
1566 event = GSOCK_MAX_EVENT ;
1567 event2 = GSOCK_MAX_EVENT ;
1568 cback = NULL;
1569 data = NULL;
1570 cback2 = NULL;
1571 data2 = NULL;
1572
1573 /* Check that the socket still exists (it has not been
1574 * destroyed) and for safety, check that the m_endpoint field
1575 * is what we expect it to be.
1576 */
1577 if ((socket != NULL) && (socket->m_takesEvents))
1578 {
1579 switch (ev)
1580 {
1581 case T_LISTEN :
1582 event = GSOCK_CONNECTION ;
1583 break ;
1584 case T_CONNECT :
1585 event = GSOCK_CONNECTION ;
1586 event2 = GSOCK_OUTPUT ;
1587 {
1588 TCall retCall;
1589
1590 retCall.addr.buf = NULL;
1591 retCall.addr.maxlen = 0;
1592 retCall.opt.buf = NULL;
1593 retCall.opt.maxlen = 0;
1594 retCall.udata.buf = NULL;
1595 retCall.udata.maxlen= 0;
1596 OTRcvConnect( socket->m_endpoint , &retCall ) ;
1597 }
1598 break ;
1599 case T_DISCONNECT :
1600 event = GSOCK_LOST ;
1601 break ;
1602 case T_GODATA :
1603 case T_GOEXDATA :
1604 event = GSOCK_OUTPUT ;
1605 break ;
1606 case T_DATA :
1607 event = GSOCK_INPUT ;
1608 break ;
1609 case T_EXDATA :
1610 event = GSOCK_INPUT ;
1611 break ;
1612 }
1613 if (event != GSOCK_MAX_EVENT)
1614 {
1615 cback = socket->m_cbacks[event];
1616 data = socket->m_data[event];
1617
1618 if (event == GSOCK_LOST)
1619 socket->m_detected = GSOCK_LOST_FLAG;
1620 else
1621 socket->m_detected |= (1 << event);
1622 }
1623 if (event2 != GSOCK_MAX_EVENT)
1624 {
1625 cback2 = socket->m_cbacks[event2];
1626 data2 = socket->m_data[event2];
1627
1628 if (event2 == GSOCK_LOST)
1629 socket->m_detected = GSOCK_LOST_FLAG;
1630 else
1631 socket->m_detected |= (1 << event2);
1632 }
1633 }
1634
1635 /* OK, we can now leave the critical section because we have
1636 * already obtained the callback address (we make no further
1637 * accesses to socket->whatever). However, the app should
1638 * be prepared to handle events from a socket that has just
1639 * been closed!
1640 */
1641
1642 if (cback != NULL)
1643 (cback)(socket, event, data);
1644 if (cback2 != NULL)
1645 (cback2)(socket, event2, data2);
1646
1647 }
1648
1649 /* Hack added for Mac OS X */
1650 GSocketError GAddress_UNIX_GetPath(GAddress *addr, char *path, size_t buf)
1651 {
1652 return GSOCK_INVADDR;
1653 }
1654
1655 GSocketError GAddress_UNIX_SetPath(GAddress *addr, const char *path)
1656 {
1657 return GSOCK_INVADDR;
1658 }
1659
1660 #endif /* wxUSE_SOCKETS || defined(__GSOCKET_STANDALONE__) */