source: trunk/src/wsock32/asyncapi.cpp@ 7041

Last change on this file since 7041 was 7041, checked in by sandervl, 24 years ago

several updates + fixes
File size: 24.2 KB
Line 
1/* $Id: asyncapi.cpp,v 1.16 2001-10-13 18:51:07 sandervl Exp $ */
2
3/*
4 *
5 * Win32 SOCK32 for OS/2 (Async apis)
6 *
7 * Copyright (C) 2000 Sander van Leeuwen (sandervl@xs4all.nl)
8 *
9 * Parts based on Wine code: (dlls\winsock\async.c)
10 * (C) 1993,1994,1996,1997 John Brezak, Erik Bos, Alex Korobka.
11 * (C) 1999 Marcus Meissner
12 *
13 * Project Odin Software License can be found in LICENSE.TXT
14 *
15 */
16#define INCL_BASE
17#include <os2wrap.h>
18#include <stdio.h>
19#include <stdlib.h>
20#include <string.h>
21#include <odin.h>
22#include <odinwrap.h>
23#include <os2sel.h>
24#include <misc.h>
25#include <win32api.h>
26#include "wsock32.h"
27#include "asyncthread.h"
28#include "wsastruct.h"
29
30#define DBG_LOCALLOG DBG_async
31#include "dbglocal.h"
32
33//kso: dirty fix to make this compile! not permanent!
34BOOL WINAPI QueryPerformanceCounter(LARGE_INTEGER *p);
35#define LowPart u.LowPart
36
37
38ODINDEBUGCHANNEL(WSOCK32-ASYNC)
39
40//******************************************************************************
41//NOTE: Must execute RemoveFromQueue before returning
42//******************************************************************************
43void ASYNCCNV WSAsyncThreadProc(void *pparm)
44{
45 PASYNCTHREADPARM pThreadParm = (PASYNCTHREADPARM)pparm;
46 LPARAM lParam;
47 int size = 0;
48 int fail = NO_ERROR;
49
50 if(!pThreadParm->fCancelled)
51 {
52 switch(pThreadParm->request)
53 {
54 case ASYNC_GETHOSTBYNAME:
55 case ASYNC_GETHOSTBYADDR:
56 {
57 struct hostent *ret;
58
59 if(pThreadParm->request == ASYNC_GETHOSTBYNAME) {
60 ret = gethostbyname(pThreadParm->u.gethostbyname.name);
61
62 free(pThreadParm->u.gethostbyname.name);
63 pThreadParm->u.gethostbyname.name = 0;
64 }
65 else {
66 ret = gethostbyaddr(pThreadParm->u.gethostbyaddr.addr,
67 pThreadParm->u.gethostbyaddr.len,
68 pThreadParm->u.gethostbyaddr.type);
69
70 free(pThreadParm->u.gethostbyaddr.addr);
71 pThreadParm->u.gethostbyaddr.addr = 0;
72 }
73 if (ret != NULL) {
74 size = WS_copy_he((struct ws_hostent *)pThreadParm->buf,
75 pThreadParm->buf,
76 pThreadParm->buflen,
77 ret);
78 if(size < 0) {
79 fail = WSAENOBUFS;
80 size = -size;
81 }
82 }
83 else fail = wsaHerrno();
84 break;
85 }
86
87 case ASYNC_GETPROTOBYNAME:
88 case ASYNC_GETPROTOBYNUMBER:
89 {
90 struct protoent *ret;
91
92 if(pThreadParm->request == ASYNC_GETPROTOBYNAME) {
93 ret = getprotobyname(pThreadParm->u.getprotobyname.name);
94
95 free(pThreadParm->u.getprotobyname.name);
96 pThreadParm->u.getprotobyname.name = 0;
97 }
98 else ret = getprotobynumber(pThreadParm->u.getprotobynumber.number);
99
100 if (ret != NULL) {
101 size = WS_copy_pe((struct ws_protoent *)pThreadParm->buf,
102 pThreadParm->buf,
103 pThreadParm->buflen,
104 ret);
105 if(size < 0) {
106 fail = WSAENOBUFS;
107 size = -size;
108 }
109 }
110 else fail = WSANO_DATA;
111
112 break;
113 }
114
115 case ASYNC_GETSERVBYNAME:
116 case ASYNC_GETSERVBYPORT:
117 {
118 struct servent *ret;
119
120 if(pThreadParm->request == ASYNC_GETSERVBYNAME) {
121 ret = getservbyname(pThreadParm->u.getservbyname.name, pThreadParm->u.getservbyname.proto);
122
123 free(pThreadParm->u.getservbyname.name);
124 pThreadParm->u.getservbyname.name = 0;
125
126 if(pThreadParm->u.getservbyname.proto) {
127 free(pThreadParm->u.getservbyname.proto);
128 pThreadParm->u.getservbyname.proto = 0;
129 }
130
131 }
132 else {
133 ret = getservbyport(pThreadParm->u.getservbyport.port, pThreadParm->u.getservbyport.proto);
134 if(pThreadParm->u.getservbyport.proto) {
135 free(pThreadParm->u.getservbyport.proto);
136 pThreadParm->u.getservbyport.proto = 0;
137 }
138 }
139
140 if (ret != NULL) {
141 size = WS_copy_se((struct ws_servent *)pThreadParm->buf,
142 pThreadParm->buf,
143 pThreadParm->buflen,
144 ret);
145 if(size < 0) {
146 fail = WSAENOBUFS;
147 size = -size;
148 }
149 }
150 else fail = WSANO_DATA;
151 break;
152 }
153 }
154 }
155 lParam = (fail << 16) | size;
156
157 if(!pThreadParm->fCancelled) {
158 dprintf(("WSAsyncThreadProc %x %x %x %x", pThreadParm->notifyHandle, pThreadParm->notifyData, pThreadParm->hAsyncTaskHandle, lParam));
159 PostMessageA((HWND)pThreadParm->notifyHandle, (DWORD)pThreadParm->notifyData,
160 (WPARAM)pThreadParm->hAsyncTaskHandle, lParam);
161 }
162 pThreadParm->fActive = FALSE;
163 RemoveFromQueue(pThreadParm);
164}
165//******************************************************************************
166//******************************************************************************
167LHANDLE WSAAsyncRequest(AsyncRequestType requesttype, HWND hwnd, int msg, char *buf,
168 int buflen, PVOID param1, PVOID param2, PVOID param3,
169 PVOID param4)
170{
171 PASYNCTHREADPARM pThreadParm;
172 LHANDLE hAsyncRequest = 0;
173 LPSTR tempname = 0;
174 LPSTR tempproto = 0;
175 LPSTR tempaddr = 0;
176
177 if(!fWSAInitialized)
178 {
179 WSASetLastError(WSANOTINITIALISED);
180 }
181 else
182 if(WSAIsBlocking())
183 {
184 WSASetLastError(WSAEINPROGRESS); // blocking call in progress
185 }
186 else
187 if(!IsWindow(hwnd))
188 {
189 WSASetLastError(WSAEINVAL); // invalid parameter
190 }
191 else
192 if(buf == NULL || buflen == 0) {
193 WSASetLastError(WSAENOBUFS); // invalid parameter
194 }
195 else
196 {
197 pThreadParm = (PASYNCTHREADPARM)malloc(sizeof(ASYNCTHREADPARM));
198 if(pThreadParm == NULL) {
199 dprintf(("WSAAsyncRequest: malloc failure!"));
200 DebugInt3();
201 WSASetLastError(WSAEFAULT);
202 return 0;
203 }
204 memset(pThreadParm, 0, sizeof(*pThreadParm));
205 pThreadParm->request = requesttype;
206 pThreadParm->notifyHandle = (int)hwnd;
207 pThreadParm->notifyData = (int)msg;
208 pThreadParm->buf = buf;
209 pThreadParm->buflen = buflen;
210
211 switch(requesttype) {
212 case ASYNC_GETHOSTBYNAME:
213 tempname = (LPSTR)malloc(strlen((char *)param1)+1);
214 if(tempname == NULL)
215 {
216 dprintf(("WSAAsyncGetHostByName: malloc failure!"));
217 DebugInt3();
218 WSASetLastError(WSAEFAULT);
219 return 0;
220 }
221 pThreadParm->u.gethostbyname.name = tempname;
222 strcpy(pThreadParm->u.gethostbyname.name, (char *)param1);
223 break;
224
225 case ASYNC_GETHOSTBYADDR:
226 tempaddr = (LPSTR)malloc(strlen((char *)param1)+1);
227 if(tempaddr == NULL)
228 {
229 dprintf(("WSAAsyncGetHostByAddr: malloc failure!"));
230 DebugInt3();
231 WSASetLastError(WSAEFAULT);
232 return 0;
233 }
234
235 pThreadParm->u.gethostbyaddr.len = (int)param2;
236 pThreadParm->u.gethostbyaddr.type = (int)param3;
237 pThreadParm->u.gethostbyaddr.addr = tempaddr;
238 strcpy(pThreadParm->u.gethostbyaddr.addr, (char *)param1);
239 break;
240
241 case ASYNC_GETPROTOBYNAME:
242 tempname = (LPSTR)malloc(strlen((char *)param1)+1);
243 if(tempname == NULL)
244 {
245 dprintf(("WSAAsyncGetProtoByName: malloc failure!"));
246 DebugInt3();
247 WSASetLastError(WSAEFAULT);
248 return 0;
249 }
250 pThreadParm->u.getprotobyname.name = tempname;
251 strcpy(pThreadParm->u.getprotobyname.name, (char *)param1);
252 break;
253
254 case ASYNC_GETPROTOBYNUMBER:
255 pThreadParm->u.getprotobynumber.number = (int)param1;
256 break;
257
258 case ASYNC_GETSERVBYNAME:
259 tempname = (LPSTR)malloc(strlen((char *)param1)+1);
260 tempproto = NULL;
261 if(param2) {
262 tempproto = (LPSTR)malloc(strlen((char *)param2)+1);
263 }
264 if(tempname == NULL || (param2 && !tempproto))
265 {
266 dprintf(("WSAAsyncGetServByName: malloc failure!"));
267 DebugInt3();
268 WSASetLastError(WSAEFAULT);
269 return 0;
270 }
271 pThreadParm->u.getservbyname.name = tempname;
272 strcpy(pThreadParm->u.getservbyname.name, (char *)param1);
273 pThreadParm->u.getservbyname.proto = tempproto;
274 if(param2)
275 strcpy(pThreadParm->u.getservbyname.proto, (char *)param2);
276 break;
277
278 case ASYNC_GETSERVBYPORT:
279 if(param2) {
280 tempproto = (LPSTR)malloc(strlen((char *)param2)+1);
281 }
282 if(param2 && !tempproto)
283 {
284 dprintf(("WSAAsyncGetServByPort: malloc failure!"));
285 DebugInt3();
286 WSASetLastError(WSAEFAULT);
287 return 0;
288 }
289 pThreadParm->u.getservbyport.port = (int)param1;
290 pThreadParm->u.getservbyport.proto = tempproto;
291 if(param2)
292 strcpy(pThreadParm->u.getservbyport.proto, (char *)param2);
293 break;
294 }
295 hAsyncRequest = (LHANDLE)QueueAsyncJob(WSAsyncThreadProc, pThreadParm);
296 if(hAsyncRequest == 0) {
297 free(pThreadParm);
298 if(tempname) free(tempname);
299 if(tempaddr) free(tempaddr);
300 if(tempproto) free(tempproto);
301
302 dprintf(("WSAAsyncRequest: QueueAsyncJob failure!"));
303 DebugInt3();
304 WSASetLastError(WSAEFAULT);
305 return 0;
306 }
307 return hAsyncRequest;
308 }
309 return 0;
310}
311//******************************************************************************
312//******************************************************************************
313ODINFUNCTION5(LHANDLE,WSAAsyncGetHostByName,
314 HWND,hWnd,
315 u_int,wMsg,
316 const char *,name,
317 char *,buf,
318 int,buflen)
319{
320 dprintf(("WSAAsyncGetHostByName %s", name));
321
322 return WSAAsyncRequest(ASYNC_GETHOSTBYNAME, hWnd, wMsg, buf, buflen,
323 (PVOID)name, 0, 0, 0);
324}
325//******************************************************************************
326//******************************************************************************
327ODINFUNCTION7(LHANDLE,WSAAsyncGetHostByAddr,
328 HWND,hWnd,
329 u_int,wMsg,
330 const char *,addr,
331 int,len,
332 int,type,
333 char *,buf,
334 int,buflen)
335{
336 dprintf(("WSAAsyncGetHostByAddr %s", addr));
337
338 return WSAAsyncRequest(ASYNC_GETHOSTBYADDR, hWnd, wMsg, buf, buflen,
339 (PVOID)addr, (PVOID)len, (PVOID)type, 0);
340}
341//******************************************************************************
342//******************************************************************************
343ODINFUNCTION5(LHANDLE,WSAAsyncGetProtoByName,
344 HWND,hWnd,
345 u_int,wMsg,
346 const char *,name,
347 char *,buf,
348 int,buflen)
349{
350 dprintf(("WSAAsyncGetProtoByName %s", name));
351
352 return WSAAsyncRequest(ASYNC_GETPROTOBYNAME, hWnd, wMsg, buf, buflen,
353 (PVOID)name, 0, 0, 0);
354}
355//******************************************************************************
356//******************************************************************************
357ODINFUNCTION5(LHANDLE,WSAAsyncGetProtoByNumber,
358 HWND,hWnd,
359 u_int,wMsg,
360 int,number,
361 char *,buf,
362 int,buflen)
363{
364 dprintf(("WSAAsyncGetProtoByNumber %d", number));
365
366 return WSAAsyncRequest(ASYNC_GETPROTOBYNUMBER, hWnd, wMsg, buf, buflen,
367 (PVOID)number, 0, 0, 0);
368}
369//******************************************************************************
370//******************************************************************************
371ODINFUNCTION6(LHANDLE,WSAAsyncGetServByName,
372 HWND,hWnd,
373 u_int,wMsg,
374 const char *,name,
375 const char *,proto,
376 char *,buf,
377 int,buflen)
378{
379 dprintf(("WSAAsyncGetServByName %s", name));
380
381 return WSAAsyncRequest(ASYNC_GETSERVBYNAME, hWnd, wMsg, buf, buflen,
382 (PVOID)name, (PVOID)proto, 0, 0);
383}
384//******************************************************************************
385//******************************************************************************
386ODINFUNCTION6(LHANDLE,WSAAsyncGetServByPort,
387 HWND,hWnd,
388 u_int,wMsg,
389 int,port,
390 const char *,proto,
391 char *,buf,
392 int,buflen)
393{
394 dprintf(("WSAAsyncGetServByPort %d %s", port, proto));
395
396 return WSAAsyncRequest(ASYNC_GETSERVBYPORT, hWnd, wMsg, buf, buflen,
397 (PVOID)port, (PVOID)proto, 0, 0);
398}
399//******************************************************************************
400//******************************************************************************
401void AsyncSelectNotifyEvent(PASYNCTHREADPARM pThreadParm, ULONG event, ULONG socket_error)
402{
403 pThreadParm->u.asyncselect.lEventsPending &= ~event;
404
405 event = WSAMAKESELECTREPLY(event, socket_error);
406
407 if (pThreadParm->u.asyncselect.mode == WSA_SELECT_HWND)
408 {
409 dprintf(("AsyncSelectNotifyEvent: notifying window, socket: 0x%x, window handle: 0x%x, window message: 0x%x, event: 0x%x", pThreadParm->u.asyncselect.s, pThreadParm->notifyHandle, pThreadParm->notifyData, event));
410 PostMessageA((HWND)pThreadParm->notifyHandle, (DWORD)pThreadParm->notifyData, (WPARAM)pThreadParm->u.asyncselect.s,
411 (LPARAM)event);
412 }
413 else
414 if (pThreadParm->u.asyncselect.mode == WSA_SELECT_HEVENT)
415 {
416 dprintf(("AsyncSelectNotifyEvent: notifying event semaphore, socket: 0x%x, HEVENT: 0x%x, event: 0x%x", pThreadParm->u.asyncselect.s, pThreadParm->notifyHandle, event));
417 pThreadParm->u.asyncselect.lLastEvent |= event;
418 SetEvent(pThreadParm->notifyHandle);
419 }
420 else
421 {
422 dprintf(("AsyncSelectNotifyEvent: error, unknown mode"));
423 }
424}
425//******************************************************************************
426#define nr(i) ((i != -1) ? 1 : 0)
427#define ready(i) ((i != -1) && (sockets[i] != -1))
428//NOTE: Must execute RemoveFromQueue before returning
429//******************************************************************************
430void ASYNCCNV WSAsyncSelectThreadProc(void *pparm)
431{
432 PASYNCTHREADPARM pThreadParm = (PASYNCTHREADPARM)pparm;
433 SOCKET sockets[3];
434 SOCKET s = pThreadParm->u.asyncselect.s;
435 int noread, nowrite, noexcept, state, sockoptlen, sockoptval;
436 int tmp, i, lEventsPending, ret, bytesread;
437
438 while(TRUE)
439 {
440asyncloopstart:
441 i = 0;
442 noread = nowrite = noexcept = -1;
443
444 //break if user cancelled request
445 if(pThreadParm->u.asyncselect.lEvents == 0 || pThreadParm->fCancelled) {
446 break;
447 }
448
449 lEventsPending = pThreadParm->u.asyncselect.lEventsPending;
450 //block if no events are pending
451 if(lEventsPending == 0)
452 {
453 dprintf2(("WSAsyncSelectThreadProc: waiting for new events"));
454 //wait for events to be enabled
455 pThreadParm->u.asyncselect.asyncSem->wait();
456 //reset event semaphore
457 pThreadParm->u.asyncselect.asyncSem->reset();
458 continue;
459 }
460
461 if(lEventsPending & (FD_READ | FD_CLOSE | FD_ACCEPT)) {
462 noread = i++;
463 sockets[noread] = s;
464 }
465 if((lEventsPending & FD_CONNECT) ||
466 ((lEventsPending & FD_WRITE) &&
467 (!(ioctl(s, FIOBSTATUS, (char *)&tmp, sizeof(tmp)) & SS_CANTSENDMORE))))
468 {
469 nowrite = i++;
470 sockets[nowrite] = s;
471 }
472 if(lEventsPending & FD_OOB) {
473 noexcept = i++;
474 sockets[noexcept] = s;
475 }
476
477 dprintf2(("WSAsyncSelectThreadProc %x rds=%d, wrs=%d, oos =%d, pending = %x", pThreadParm->u.asyncselect.s, noread, nowrite, noexcept, lEventsPending));
478
479 pThreadParm->fWaitSelect = TRUE;
480 ret = select((int *)sockets, nr(noread), nr(nowrite), nr(noexcept), -1);
481 pThreadParm->fWaitSelect = FALSE;
482 if(ret == SOCKET_ERROR) {
483 int selecterr = sock_errno();
484 dprintf2(("WSAsyncSelectThreadProc %x rds=%d, wrs=%d, oos =%d, pending = %x select returned %x", pThreadParm->u.asyncselect.s, noread, nowrite, noexcept, lEventsPending, selecterr));
485 if(selecterr && selecterr < SOCBASEERR) {
486 selecterr += SOCBASEERR;
487 }
488 switch(selecterr)
489 {
490 case SOCEINTR:
491//// state = ioctl(s, FIOBSTATUS, (char *)&tmp, sizeof(tmp));
492//// dprintf(("SOCEINTR; state = %x", state));
493 goto asyncloopstart; //so_cancel was called
494
495 case SOCECONNRESET:
496 case SOCEPIPE:
497 if(lEventsPending & FD_CLOSE) {
498 dprintf(("FD_CLOSE; broken connection"));
499 AsyncSelectNotifyEvent(pThreadParm, FD_CLOSE, WSAECONNRESET);
500 }
501
502 //remote connection broken (so can't receive data anymore)
503 //but can still send
504 pThreadParm->u.asyncselect.lEventsPending &= ~(FD_READ | FD_ACCEPT);
505 goto asyncloopstart;
506
507 case SOCEINVAL:
508 if(lEventsPending & FD_CLOSE) {
509 dprintf(("FD_CLOSE; SOCEINVAL"));
510 AsyncSelectNotifyEvent(pThreadParm, FD_CLOSE, selecterr);
511 }
512 break;
513 default:
514 dprintf(("WSAsyncSelectThreadProc: select SOCKET_ERROR %x", selecterr));
515 break; //something bad happened
516 }
517 break;
518 }
519
520 if(ready(nowrite))
521 {
522 state = ioctl(s, FIOBSTATUS, (char *)&tmp, sizeof(tmp));
523
524 if(lEventsPending & FD_CONNECT) {
525 if(state & SS_ISCONNECTED) {
526 AsyncSelectNotifyEvent(pThreadParm, FD_CONNECT, NO_ERROR);
527 }
528 else {
529 sockoptlen = sizeof(int);
530
531 ret = getsockopt(s, SOL_SOCKET, SO_ERROR,
532 (char *) &sockoptval, &sockoptlen);
533 //SvL: WSeB returns SOCECONNREFUSED, Warp 4 0x3d
534 if(sockoptval == SOCECONNREFUSED || sockoptval == (SOCECONNREFUSED - SOCBASEERR)) {
535 AsyncSelectNotifyEvent(pThreadParm, FD_CONNECT, WSAECONNREFUSED);
536 }
537 }
538 }
539 else
540 if(!(state & SS_CANTSENDMORE) && (lEventsPending & FD_WRITE)) {
541 AsyncSelectNotifyEvent(pThreadParm, FD_WRITE, NO_ERROR);
542 }
543 }
544
545 if(ready(noread))
546 {
547 state = ioctl(s, FIONREAD, (CHAR *) &bytesread, sizeof(bytesread));
548 if(state == SOCKET_ERROR)
549 {
550 if(lEventsPending & FD_CLOSE)
551 {
552 dprintf(("FD_CLOSE; ioctl; socket error"));
553 AsyncSelectNotifyEvent(pThreadParm, FD_CLOSE, NO_ERROR);
554 //remote connection broken (so can't receive data anymore)
555 //but can still send
556 pThreadParm->u.asyncselect.lEventsPending &= ~(FD_READ | FD_ACCEPT);
557 continue;
558 }
559 else {
560 dprintf(("WSAsyncSelectThreadProc: ioctl SOCKET_ERROR!"));
561 break; //todo: correct???
562 }
563 }
564 if(lEventsPending & FD_ACCEPT)
565 {
566 sockoptlen = sizeof(sockoptlen);
567
568 ret = getsockopt(s, SOL_SOCKET, SO_OPTIONS,
569 (char *) &sockoptval, &sockoptlen);
570 if(ret == SOCKET_ERROR) {
571 dprintf(("WSAsyncSelectThreadProc: getsockopt SOCKET_ERROR!"));
572 break;
573 }
574 if((sockoptval & SO_ACCEPTCONN) == SO_ACCEPTCONN) {
575 AsyncSelectNotifyEvent(pThreadParm, FD_ACCEPT, NO_ERROR);
576 }
577 }
578 if((lEventsPending & FD_READ) && bytesread >= 0) {
579 AsyncSelectNotifyEvent(pThreadParm, FD_READ, NO_ERROR);
580 }
581#if 0
582//SvL: This generates FD_CLOSE messages when the connection is just fine
583// (recv executed in another thread when select returns)
584 else
585 if((lEventsPending & FD_CLOSE) && (state == 0 && bytesread == 0)) {
586 dprintf(("FD_CLOSE; state == 0 && bytesread == 0"));
587 AsyncSelectNotifyEvent(pThreadParm, FD_CLOSE, NO_ERROR);
588 }
589#endif
590 }
591 if(ready(noexcept))
592 {
593 if(lEventsPending & FD_OOB) {
594 AsyncSelectNotifyEvent(pThreadParm, FD_OOB, NO_ERROR);
595 }
596 }
597 if((pThreadParm->u.asyncselect.lEventsPending & (FD_ACCEPT|FD_CLOSE|FD_CONNECT)) ==
598 (lEventsPending & (FD_ACCEPT|FD_CLOSE|FD_CONNECT))) {
599 DosSleep(10);
600 }
601 }
602 //remove it first, then delete semaphore object
603 pThreadParm->fActive = FALSE;
604 RemoveFromQueue(pThreadParm);
605 delete pThreadParm->u.asyncselect.asyncSem;
606 pThreadParm->u.asyncselect.asyncSem = 0;
607}
608//******************************************************************************
609//******************************************************************************
610ODINFUNCTION4(int,WSAAsyncSelect,
611 SOCKET,s,
612 HWND,hWnd,
613 u_int,wMsg,
614 long,lEvent)
615{
616 /* just forward call to worker method */
617 return WSAAsyncSelectWorker(s, WSA_SELECT_HWND, (int)hWnd, (int)wMsg, lEvent);
618}
619//******************************************************************************
620//******************************************************************************
621int WSAAsyncSelectWorker(SOCKET s, int mode, int notifyHandle, int notifyData, long lEventMask)
622{
623 PASYNCTHREADPARM pThreadParm;
624 int nonblock = 1;
625 int ret;
626
627#ifdef DEBUG
628 // log all event bits that are set
629 char tmpbuf[300];
630 strcpy(tmpbuf, "");
631 if (lEventMask & FD_READ)
632 strcat(tmpbuf, " FD_READ");
633 if (lEventMask & FD_WRITE)
634 strcat(tmpbuf, " FD_WRITE");
635 if (lEventMask & FD_OOB)
636 strcat(tmpbuf, " FD_OOB");
637 if (lEventMask & FD_ACCEPT)
638 strcat(tmpbuf, " FD_ACCEPT");
639 if (lEventMask & FD_CONNECT)
640 strcat(tmpbuf, " FD_CONNECT");
641 if (lEventMask & FD_CLOSE)
642 strcat(tmpbuf, " FD_CLOSE");
643 if (lEventMask & FD_QOS)
644 strcat(tmpbuf, " FD_QOS");
645 if (lEventMask & FD_GROUP_QOS)
646 strcat(tmpbuf, " FD_GROUP_QOS");
647 if (lEventMask & FD_ROUTING_INTERFACE_CHANGE)
648 strcat(tmpbuf, " FD_ROUTING_INTERFACE_CHANGE");
649 if (lEventMask & FD_ADDRESS_LIST_CHANGE)
650 strcat(tmpbuf, " FD_ADDRESS_LIST_CHANGE");
651 dprintf(("event bits:%s", tmpbuf));
652#endif
653
654 if(!fWSAInitialized)
655 {
656 dprintf(("WSA sockets not initialized"));
657 WSASetLastError(WSANOTINITIALISED);
658 return SOCKET_ERROR;
659 }
660 else
661 if(WSAIsBlocking())
662 {
663 dprintf(("blocking call in progress"));
664 WSASetLastError(WSAEINPROGRESS); // blocking call in progress
665 return SOCKET_ERROR;
666 }
667 else
668 if((mode == WSA_SELECT_HWND) && (HWND)notifyHandle && !IsWindow((HWND)notifyHandle))
669 {
670 dprintf(("invalid window handle"));
671 WSASetLastError(WSAEINVAL); // invalid parameter
672 return SOCKET_ERROR;
673 }
674
675 // Set socket to non-blocking mode
676 ret = ioctl(s, FIONBIO, (char *)&nonblock, sizeof(nonblock));
677 if(ret == SOCKET_ERROR) {
678 dprintf(("setting socket to non blocking mode failed"));
679 WSASetLastError(wsaErrno());
680 return SOCKET_ERROR;
681 }
682 if(FindAndSetAsyncEvent(s, mode, notifyHandle, notifyData, lEventMask) == TRUE)
683 {
684 dprintf(("already got socket, just changing event mask"));
685 //found and changed active async event
686 WSASetLastError(NO_ERROR);
687 return NO_ERROR;
688 }
689 pThreadParm = (PASYNCTHREADPARM)malloc(sizeof(ASYNCTHREADPARM));
690 if(pThreadParm == NULL) {
691 dprintf(("WSAAsyncSelect: malloc failure!"));
692 DebugInt3();
693 WSASetLastError(WSAEFAULT);
694 return SOCKET_ERROR;
695 }
696 memset(pThreadParm, 0, sizeof(*pThreadParm));
697 pThreadParm->request = ASYNC_SELECT;
698 pThreadParm->notifyHandle = notifyHandle;
699 pThreadParm->notifyData = notifyData;
700 pThreadParm->u.asyncselect.mode = mode;
701 pThreadParm->u.asyncselect.lEvents = lEventMask;
702 pThreadParm->u.asyncselect.lEventsPending = lEventMask;
703 pThreadParm->u.asyncselect.lLastEvent = 0;
704 pThreadParm->u.asyncselect.s = s;
705 pThreadParm->u.asyncselect.asyncSem = new VSemaphore;
706 if(pThreadParm->u.asyncselect.asyncSem == NULL) {
707 dprintf(("WSAAsyncSelect: VSemaphore alloc failure!"));
708 DebugInt3();
709 WSASetLastError(WSAEFAULT);
710 return SOCKET_ERROR;
711 }
712 if(QueueAsyncJob(WSAsyncSelectThreadProc, pThreadParm) == 0) {
713 delete pThreadParm->u.asyncselect.asyncSem;
714 free(pThreadParm);
715 dprintf(("WSAAsyncSelect: QueueAsyncJob failure!"));
716 DebugInt3();
717 WSASetLastError(WSAEFAULT);
718 return SOCKET_ERROR;
719 }
720 WSASetLastError(NO_ERROR);
721 return NO_ERROR;
722}
723//******************************************************************************
724//******************************************************************************
725int WSAEnumNetworkEventsWorker(SOCKET s, WSAEVENT hEvent, LPWSANETWORKEVENTS lpEvent)
726{
727 PASYNCTHREADPARM pThreadInfo;
728
729 asyncThreadMutex.enter();
730 pThreadInfo = FindAsyncEvent(s);
731 if (pThreadInfo)
732 {
733 // TODO return correct errors!!!
734 for (int i = 0; i < FD_MAX_EVENTS; i++)
735 {
736 lpEvent->iErrorCode[i] = 0;
737 }
738 lpEvent->lNetworkEvents = InterlockedExchange((LPLONG)&pThreadInfo->u.asyncselect.lLastEvent, 0);
739 }
740 else
741 {
742 asyncThreadMutex.leave();
743 dprintf(("no async registration for socket %x", s));
744 // TODO: correct behavior?
745 WSASetLastError(WSAEINVAL);
746 return SOCKET_ERROR;
747 }
748 asyncThreadMutex.leave();
749
750 // reset event semaphore if present
751 if (hEvent)
752 {
753// dprintf(("posting event semaphore 0x%x", hEvent));
754 ResetEvent(hEvent);
755 }
756
757 WSASetLastError(NO_ERROR);
758 return NO_ERROR;
759}
760//******************************************************************************
761//******************************************************************************
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