Commit | Line | Data |
6ad90ad2 |
1 | /* |
0198fd3c |
2 | * os_win32.c -- |
3 | * |
4 | * |
5 | * Copyright (c) 1995 Open Market, Inc. |
6 | * All rights reserved. |
7 | * |
8 | * This file contains proprietary and confidential information and |
6ad90ad2 |
9 | * remains the unpublished property of Open Market, Inc. Use, |
10 | * disclosure, or reproduction is prohibited except as permitted by |
11 | * express written license agreement with Open Market, Inc. |
0198fd3c |
12 | * |
13 | * Bill Snapper |
14 | * snapper@openmarket.com |
15 | * |
16 | * (Special thanks to Karen and Bill. They made my job much easier and |
17 | * significantly more enjoyable.) |
18 | */ |
0198fd3c |
19 | #ifndef lint |
553207ad |
20 | static const char rcsid[] = "$Id: os_win32.c,v 1.28 2002/02/23 21:22:02 robs Exp $"; |
0198fd3c |
21 | #endif /* not lint */ |
22 | |
9bbd33f9 |
23 | #define WIN32_LEAN_AND_MEAN |
24 | #include <windows.h> |
25 | #include <winsock2.h> |
26 | #include <stdlib.h> |
0198fd3c |
27 | #include <assert.h> |
6ad90ad2 |
28 | #include <stdio.h> |
0198fd3c |
29 | #include <sys/timeb.h> |
f3804f3c |
30 | #include <process.h> |
0198fd3c |
31 | |
9bbd33f9 |
32 | #define DLLAPI __declspec(dllexport) |
33c47d40 |
33 | |
9bbd33f9 |
34 | #include "fcgimisc.h" |
33c47d40 |
35 | #include "fcgios.h" |
0198fd3c |
36 | |
87abe107 |
37 | #define WIN32_OPEN_MAX 128 /* XXX: Small hack */ |
a6b4e4d4 |
38 | |
9bbd33f9 |
39 | /* |
40 | * millisecs to wait for a client connection before checking the |
41 | * shutdown flag (then go back to waiting for a connection, etc). |
42 | */ |
43 | #define ACCEPT_TIMEOUT 1000 |
44 | |
6ad90ad2 |
45 | #define MUTEX_VARNAME "_FCGI_MUTEX_" |
87abe107 |
46 | #define SHUTDOWN_EVENT_NAME "_FCGI_SHUTDOWN_EVENT_" |
a6b4e4d4 |
47 | #define LOCALHOST "localhost" |
6ad90ad2 |
48 | |
0198fd3c |
49 | static HANDLE hIoCompPort = INVALID_HANDLE_VALUE; |
50 | static HANDLE hStdinCompPort = INVALID_HANDLE_VALUE; |
51 | static HANDLE hStdinThread = INVALID_HANDLE_VALUE; |
52 | |
53 | static HANDLE stdioHandles[3] = {INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE, |
54 | INVALID_HANDLE_VALUE}; |
55 | |
7f1bbe19 |
56 | // This is a nail for listening to more than one port.. |
87abe107 |
57 | static HANDLE acceptMutex = INVALID_HANDLE_VALUE; |
58 | |
59 | static BOOLEAN shutdownPending = FALSE; |
2e7fb6c1 |
60 | static BOOLEAN shutdownNow = FALSE; |
0198fd3c |
61 | |
6ad90ad2 |
62 | /* |
0198fd3c |
63 | * An enumeration of the file types |
64 | * supported by the FD_TABLE structure. |
65 | * |
66 | * XXX: Not all currently supported. This allows for future |
67 | * functionality. |
68 | */ |
69 | typedef enum { |
70 | FD_UNUSED, |
71 | FD_FILE_SYNC, |
72 | FD_FILE_ASYNC, |
73 | FD_SOCKET_SYNC, |
74 | FD_SOCKET_ASYNC, |
75 | FD_PIPE_SYNC, |
76 | FD_PIPE_ASYNC |
77 | } FILE_TYPE; |
78 | |
79 | typedef union { |
80 | HANDLE fileHandle; |
81 | SOCKET sock; |
82 | unsigned int value; |
83 | } DESCRIPTOR; |
84 | |
6ad90ad2 |
85 | /* |
0198fd3c |
86 | * Structure used to map file handle and socket handle |
87 | * values into values that can be used to create unix-like |
88 | * select bitmaps, read/write for both sockets/files. |
89 | */ |
90 | struct FD_TABLE { |
91 | DESCRIPTOR fid; |
92 | FILE_TYPE type; |
93 | char *path; |
94 | DWORD Errno; |
95 | unsigned long instance; |
96 | int status; |
97 | int offset; /* only valid for async file writes */ |
98 | LPDWORD offsetHighPtr; /* pointers to offset high and low words */ |
99 | LPDWORD offsetLowPtr; /* only valid for async file writes (logs) */ |
100 | HANDLE hMapMutex; /* mutex handle for multi-proc offset update */ |
101 | LPVOID ovList; /* List of associated OVERLAPPED_REQUESTs */ |
102 | }; |
103 | |
364045ff |
104 | /* |
105 | * XXX Note there is no dyanmic sizing of this table, so if the |
106 | * number of open file descriptors exceeds WIN32_OPEN_MAX the |
107 | * app will blow up. |
108 | */ |
0198fd3c |
109 | static struct FD_TABLE fdTable[WIN32_OPEN_MAX]; |
110 | |
73389ec2 |
111 | static CRITICAL_SECTION fdTableCritical; |
112 | |
0198fd3c |
113 | struct OVERLAPPED_REQUEST { |
114 | OVERLAPPED overlapped; |
115 | unsigned long instance; /* file instance (won't match after a close) */ |
116 | OS_AsyncProc procPtr; /* callback routine */ |
117 | ClientData clientData; /* callback argument */ |
118 | ClientData clientData1; /* additional clientData */ |
119 | }; |
120 | typedef struct OVERLAPPED_REQUEST *POVERLAPPED_REQUEST; |
121 | |
122 | static const char *bindPathPrefix = "\\\\.\\pipe\\FastCGI\\"; |
123 | |
a2252853 |
124 | static FILE_TYPE listenType = FD_UNUSED; |
87abe107 |
125 | |
126 | // XXX This should be a DESCRIPTOR |
0198fd3c |
127 | static HANDLE hListen = INVALID_HANDLE_VALUE; |
87abe107 |
128 | |
87abe107 |
129 | static BOOLEAN libInitialized = FALSE; |
0198fd3c |
130 | |
0198fd3c |
131 | /* |
132 | *-------------------------------------------------------------- |
133 | * |
134 | * Win32NewDescriptor -- |
135 | * |
136 | * Set up for I/O descriptor masquerading. |
137 | * |
138 | * Results: |
139 | * Returns "fake id" which masquerades as a UNIX-style "small |
140 | * non-negative integer" file/socket descriptor. |
141 | * Win32_* routine below will "do the right thing" based on the |
142 | * descriptor's actual type. -1 indicates failure. |
143 | * |
144 | * Side effects: |
145 | * Entry in fdTable is reserved to represent the socket/file. |
146 | * |
147 | *-------------------------------------------------------------- |
148 | */ |
149 | static int Win32NewDescriptor(FILE_TYPE type, int fd, int desiredFd) |
150 | { |
73389ec2 |
151 | int index = -1; |
152 | |
153 | EnterCriticalSection(&fdTableCritical); |
0198fd3c |
154 | |
155 | /* |
73389ec2 |
156 | * If desiredFd is set, try to get this entry (this is used for |
157 | * mapping stdio handles). Otherwise try to get the fd entry. |
158 | * If this is not available, find a the first empty slot. . |
0198fd3c |
159 | */ |
87abe107 |
160 | if (desiredFd >= 0 && desiredFd < WIN32_OPEN_MAX) |
161 | { |
73389ec2 |
162 | if (fdTable[desiredFd].type == FD_UNUSED) |
87abe107 |
163 | { |
73389ec2 |
164 | index = desiredFd; |
87abe107 |
165 | } |
0198fd3c |
166 | } |
26c9b575 |
167 | else if (fd > 0) |
87abe107 |
168 | { |
26c9b575 |
169 | if (fd < WIN32_OPEN_MAX && fdTable[fd].type == FD_UNUSED) |
87abe107 |
170 | { |
26c9b575 |
171 | index = fd; |
172 | } |
173 | else |
174 | { |
175 | int i; |
73389ec2 |
176 | |
26c9b575 |
177 | for (i = 1; i < WIN32_OPEN_MAX; ++i) |
178 | { |
179 | if (fdTable[i].type == FD_UNUSED) |
73389ec2 |
180 | { |
26c9b575 |
181 | index = i; |
182 | break; |
73389ec2 |
183 | } |
87abe107 |
184 | } |
185 | } |
0198fd3c |
186 | } |
73389ec2 |
187 | |
188 | if (index != -1) |
189 | { |
190 | fdTable[index].fid.value = fd; |
191 | fdTable[index].type = type; |
192 | fdTable[index].path = NULL; |
193 | fdTable[index].Errno = NO_ERROR; |
194 | fdTable[index].status = 0; |
195 | fdTable[index].offset = -1; |
196 | fdTable[index].offsetHighPtr = fdTable[index].offsetLowPtr = NULL; |
197 | fdTable[index].hMapMutex = NULL; |
198 | fdTable[index].ovList = NULL; |
199 | } |
0198fd3c |
200 | |
73389ec2 |
201 | LeaveCriticalSection(&fdTableCritical); |
0198fd3c |
202 | return index; |
203 | } |
62e100c7 |
204 | |
0198fd3c |
205 | /* |
206 | *-------------------------------------------------------------- |
207 | * |
208 | * StdinThread-- |
209 | * |
210 | * This thread performs I/O on stadard input. It is needed |
211 | * because you can't guarantee that all applications will |
212 | * create standard input with sufficient access to perform |
213 | * asynchronous I/O. Since we don't want to block the app |
6ad90ad2 |
214 | * reading from stdin we make it look like it's using I/O |
0198fd3c |
215 | * completion ports to perform async I/O. |
216 | * |
217 | * Results: |
218 | * Data is read from stdin and posted to the io completion |
219 | * port. |
220 | * |
221 | * Side effects: |
222 | * None. |
223 | * |
224 | *-------------------------------------------------------------- |
225 | */ |
226 | static void StdinThread(LPDWORD startup){ |
227 | |
228 | int doIo = TRUE; |
bf00339b |
229 | unsigned long fd; |
230 | unsigned long bytesRead; |
0198fd3c |
231 | POVERLAPPED_REQUEST pOv; |
6ad90ad2 |
232 | |
bf00339b |
233 | // Touch the arg to prevent warning |
234 | startup = NULL; |
235 | |
0198fd3c |
236 | while(doIo) { |
237 | /* |
238 | * Block until a request to read from stdin comes in or a |
239 | * request to terminate the thread arrives (fd = -1). |
240 | */ |
241 | if (!GetQueuedCompletionStatus(hStdinCompPort, &bytesRead, &fd, |
242 | (LPOVERLAPPED *)&pOv, (DWORD)-1) && !pOv) { |
243 | doIo = 0; |
244 | break; |
245 | } |
6ad90ad2 |
246 | |
0198fd3c |
247 | ASSERT((fd == STDIN_FILENO) || (fd == -1)); |
248 | if(fd == -1) { |
249 | doIo = 0; |
250 | break; |
251 | } |
252 | ASSERT(pOv->clientData1 != NULL); |
253 | |
254 | if(ReadFile(stdioHandles[STDIN_FILENO], pOv->clientData1, bytesRead, |
255 | &bytesRead, NULL)) { |
6ad90ad2 |
256 | PostQueuedCompletionStatus(hIoCompPort, bytesRead, |
0198fd3c |
257 | STDIN_FILENO, (LPOVERLAPPED)pOv); |
258 | } else { |
259 | doIo = 0; |
260 | break; |
261 | } |
262 | } |
263 | |
264 | ExitThread(0); |
265 | } |
266 | |
2e7fb6c1 |
267 | void OS_ShutdownPending(void) |
268 | { |
269 | shutdownPending = TRUE; |
270 | } |
271 | |
272 | /* XXX Need a shutdown now event */ |
f3804f3c |
273 | static void ShutdownRequestThread(void * arg) |
87abe107 |
274 | { |
275 | HANDLE shutdownEvent = (HANDLE) arg; |
276 | |
277 | if (WaitForSingleObject(shutdownEvent, INFINITE) == WAIT_FAILED) |
278 | { |
279 | // Assuming it will happen again, all we can do is exit the thread |
87abe107 |
280 | } |
281 | else |
282 | { |
283 | // "Simple reads and writes to properly-aligned 32-bit variables are atomic" |
284 | shutdownPending = TRUE; |
285 | |
286 | // Before an accept() is entered the shutdownPending flag is checked. |
287 | // If set, OS_Accept() will return -1. If not, it waits |
288 | // on a connection request for one second, checks the flag, & repeats. |
289 | // Only one process/thread is allowed to do this at time by |
290 | // wrapping the accept() with mutex. |
87abe107 |
291 | } |
292 | } |
293 | |
0198fd3c |
294 | /* |
295 | *-------------------------------------------------------------- |
296 | * |
297 | * OS_LibInit -- |
298 | * |
299 | * Set up the OS library for use. |
300 | * |
301 | * Results: |
302 | * Returns 0 if success, -1 if not. |
303 | * |
304 | * Side effects: |
305 | * Sockets initialized, pseudo file descriptors setup, etc. |
306 | * |
307 | *-------------------------------------------------------------- |
308 | */ |
309 | int OS_LibInit(int stdioFds[3]) |
310 | { |
311 | WORD wVersion; |
312 | WSADATA wsaData; |
313 | int err; |
314 | int fakeFd; |
0198fd3c |
315 | char *cLenPtr = NULL; |
87abe107 |
316 | char *val = NULL; |
317 | |
0198fd3c |
318 | if(libInitialized) |
319 | return 0; |
320 | |
73389ec2 |
321 | InitializeCriticalSection(&fdTableCritical); |
322 | |
0198fd3c |
323 | /* |
324 | * Initialize windows sockets library. |
325 | */ |
87abe107 |
326 | wVersion = MAKEWORD(2,0); |
0198fd3c |
327 | err = WSAStartup( wVersion, &wsaData ); |
328 | if (err) { |
329 | fprintf(stderr, "Error starting Windows Sockets. Error: %d", |
330 | WSAGetLastError()); |
331 | exit(111); |
332 | } |
333 | |
334 | /* |
335 | * Create the I/O completion port to be used for our I/O queue. |
336 | */ |
337 | if (hIoCompPort == INVALID_HANDLE_VALUE) { |
338 | hIoCompPort = CreateIoCompletionPort (INVALID_HANDLE_VALUE, NULL, |
339 | 0, 1); |
340 | if(hIoCompPort == INVALID_HANDLE_VALUE) { |
341 | printf("<H2>OS_LibInit Failed CreateIoCompletionPort! ERROR: %d</H2>\r\n\r\n", |
342 | GetLastError()); |
343 | return -1; |
344 | } |
345 | } |
346 | |
347 | /* |
87abe107 |
348 | * If a shutdown event is in the env, save it (I don't see any to |
349 | * remove it from the environment out from under the application). |
350 | * Spawn a thread to wait on the shutdown request. |
351 | */ |
352 | val = getenv(SHUTDOWN_EVENT_NAME); |
353 | if (val != NULL) |
354 | { |
355 | HANDLE shutdownEvent = (HANDLE) atoi(val); |
356 | |
f3804f3c |
357 | if (_beginthread(ShutdownRequestThread, 0, shutdownEvent) == -1) |
87abe107 |
358 | { |
359 | return -1; |
360 | } |
361 | } |
362 | |
7f1bbe19 |
363 | if (acceptMutex == INVALID_HANDLE_VALUE) |
364 | { |
48f63bdf |
365 | /* If an accept mutex is in the env, use it */ |
366 | val = getenv(MUTEX_VARNAME); |
367 | if (val != NULL) |
368 | { |
369 | acceptMutex = (HANDLE) atoi(val); |
7f1bbe19 |
370 | } |
87abe107 |
371 | } |
372 | |
87abe107 |
373 | /* |
0198fd3c |
374 | * Determine if this library is being used to listen for FastCGI |
375 | * connections. This is communicated by STDIN containing a |
376 | * valid handle to a listener object. In this case, both the |
377 | * "stdout" and "stderr" handles will be INVALID (ie. closed) by |
378 | * the starting process. |
379 | * |
380 | * The trick is determining if this is a pipe or a socket... |
381 | * |
382 | * XXX: Add the async accept test to determine socket or handle to a |
383 | * pipe!!! |
384 | */ |
385 | if((GetStdHandle(STD_OUTPUT_HANDLE) == INVALID_HANDLE_VALUE) && |
386 | (GetStdHandle(STD_ERROR_HANDLE) == INVALID_HANDLE_VALUE) && |
87abe107 |
387 | (GetStdHandle(STD_INPUT_HANDLE) != INVALID_HANDLE_VALUE) ) |
388 | { |
389 | DWORD pipeMode = PIPE_READMODE_BYTE | PIPE_WAIT; |
390 | HANDLE oldStdIn = GetStdHandle(STD_INPUT_HANDLE); |
391 | |
392 | // Move the handle to a "low" number |
393 | if (! DuplicateHandle(GetCurrentProcess(), oldStdIn, |
394 | GetCurrentProcess(), &hListen, |
395 | 0, TRUE, DUPLICATE_SAME_ACCESS)) |
396 | { |
397 | return -1; |
398 | } |
0198fd3c |
399 | |
87abe107 |
400 | if (! SetStdHandle(STD_INPUT_HANDLE, hListen)) |
401 | { |
402 | return -1; |
403 | } |
404 | |
405 | CloseHandle(oldStdIn); |
0198fd3c |
406 | |
407 | /* |
408 | * Set the pipe handle state so that it operates in wait mode. |
409 | * |
410 | * NOTE: The listenFd is not mapped to a pseudo file descriptor |
411 | * as all work done on it is contained to the OS library. |
412 | * |
413 | * XXX: Initial assumption is that SetNamedPipeHandleState will |
414 | * fail if this is an IP socket... |
415 | */ |
87abe107 |
416 | if (SetNamedPipeHandleState(hListen, &pipeMode, NULL, NULL)) |
417 | { |
0198fd3c |
418 | listenType = FD_PIPE_SYNC; |
87abe107 |
419 | } |
420 | else |
421 | { |
0198fd3c |
422 | listenType = FD_SOCKET_SYNC; |
423 | } |
424 | } |
425 | |
426 | /* |
427 | * If there are no stdioFds passed in, we're done. |
428 | */ |
429 | if(stdioFds == NULL) { |
430 | libInitialized = 1; |
431 | return 0; |
432 | } |
6ad90ad2 |
433 | |
0198fd3c |
434 | /* |
435 | * Setup standard input asynchronous I/O. There is actually a separate |
436 | * thread spawned for this purpose. The reason for this is that some |
437 | * web servers use anonymous pipes for the connection between itself |
438 | * and a CGI application. Anonymous pipes can't perform asynchronous |
439 | * I/O or use I/O completion ports. Therefore in order to present a |
440 | * consistent I/O dispatch model to an application we emulate I/O |
441 | * completion port behavior by having the standard input thread posting |
442 | * messages to the hIoCompPort which look like a complete overlapped |
443 | * I/O structure. This keeps the event dispatching simple from the |
444 | * application perspective. |
445 | */ |
446 | stdioHandles[STDIN_FILENO] = GetStdHandle(STD_INPUT_HANDLE); |
447 | |
448 | if(!SetHandleInformation(stdioHandles[STDIN_FILENO], |
449 | HANDLE_FLAG_INHERIT, 0)) { |
450 | /* |
451 | * XXX: Causes error when run from command line. Check KB |
452 | err = GetLastError(); |
453 | DebugBreak(); |
454 | exit(99); |
455 | */ |
456 | } |
457 | |
458 | if ((fakeFd = Win32NewDescriptor(FD_PIPE_SYNC, |
459 | (int)stdioHandles[STDIN_FILENO], |
460 | STDIN_FILENO)) == -1) { |
461 | return -1; |
462 | } else { |
463 | /* |
464 | * Set stdin equal to our pseudo FD and create the I/O completion |
465 | * port to be used for async I/O. |
466 | */ |
467 | stdioFds[STDIN_FILENO] = fakeFd; |
468 | } |
469 | |
470 | /* |
471 | * Create the I/O completion port to be used for communicating with |
472 | * the thread doing I/O on standard in. This port will carry read |
473 | * and possibly thread termination requests to the StdinThread. |
474 | */ |
475 | if (hStdinCompPort == INVALID_HANDLE_VALUE) { |
476 | hStdinCompPort = CreateIoCompletionPort (INVALID_HANDLE_VALUE, NULL, |
477 | 0, 1); |
478 | if(hStdinCompPort == INVALID_HANDLE_VALUE) { |
479 | printf("<H2>OS_LibInit Failed CreateIoCompletionPort: STDIN! ERROR: %d</H2>\r\n\r\n", |
480 | GetLastError()); |
481 | return -1; |
482 | } |
483 | } |
484 | |
6ad90ad2 |
485 | /* |
0198fd3c |
486 | * Create the thread that will read stdin if the CONTENT_LENGTH |
487 | * is non-zero. |
488 | */ |
489 | if((cLenPtr = getenv("CONTENT_LENGTH")) != NULL && |
490 | atoi(cLenPtr) > 0) { |
f3804f3c |
491 | hStdinThread = (HANDLE) _beginthread(StdinThread, 0, NULL); |
492 | if (hStdinThread == (HANDLE) -1) { |
0198fd3c |
493 | printf("<H2>OS_LibInit Failed to create STDIN thread! ERROR: %d</H2>\r\n\r\n", |
494 | GetLastError()); |
495 | return -1; |
496 | } |
497 | } |
498 | |
499 | /* |
500 | * STDOUT will be used synchronously. |
501 | * |
502 | * XXX: May want to convert this so that it could be used for OVERLAPPED |
503 | * I/O later. If so, model it after the Stdin I/O as stdout is |
504 | * also incapable of async I/O on some servers. |
505 | */ |
506 | stdioHandles[STDOUT_FILENO] = GetStdHandle(STD_OUTPUT_HANDLE); |
507 | if(!SetHandleInformation(stdioHandles[STDOUT_FILENO], |
508 | HANDLE_FLAG_INHERIT, FALSE)) { |
509 | DebugBreak(); |
510 | exit(99); |
511 | } |
512 | |
513 | if ((fakeFd = Win32NewDescriptor(FD_PIPE_SYNC, |
514 | (int)stdioHandles[STDOUT_FILENO], |
515 | STDOUT_FILENO)) == -1) { |
516 | return -1; |
517 | } else { |
518 | /* |
519 | * Set stdout equal to our pseudo FD |
520 | */ |
521 | stdioFds[STDOUT_FILENO] = fakeFd; |
522 | } |
523 | |
524 | stdioHandles[STDERR_FILENO] = GetStdHandle(STD_ERROR_HANDLE); |
525 | if(!SetHandleInformation(stdioHandles[STDERR_FILENO], |
526 | HANDLE_FLAG_INHERIT, FALSE)) { |
527 | DebugBreak(); |
528 | exit(99); |
529 | } |
530 | if ((fakeFd = Win32NewDescriptor(FD_PIPE_SYNC, |
531 | (int)stdioHandles[STDERR_FILENO], |
532 | STDERR_FILENO)) == -1) { |
533 | return -1; |
534 | } else { |
535 | /* |
536 | * Set stderr equal to our pseudo FD |
537 | */ |
538 | stdioFds[STDERR_FILENO] = fakeFd; |
539 | } |
540 | |
541 | return 0; |
542 | } |
543 | |
0198fd3c |
544 | /* |
545 | *-------------------------------------------------------------- |
546 | * |
547 | * OS_LibShutdown -- |
548 | * |
549 | * Shutdown the OS library. |
550 | * |
551 | * Results: |
552 | * None. |
553 | * |
554 | * Side effects: |
555 | * Memory freed, handles closed. |
556 | * |
557 | *-------------------------------------------------------------- |
558 | */ |
559 | void OS_LibShutdown() |
560 | { |
561 | |
9bbd33f9 |
562 | if (hIoCompPort != INVALID_HANDLE_VALUE) |
563 | { |
0198fd3c |
564 | CloseHandle(hIoCompPort); |
9bbd33f9 |
565 | hIoCompPort = INVALID_HANDLE_VALUE; |
0198fd3c |
566 | } |
567 | |
9bbd33f9 |
568 | if (hStdinCompPort != INVALID_HANDLE_VALUE) |
569 | { |
0198fd3c |
570 | CloseHandle(hStdinCompPort); |
9bbd33f9 |
571 | hStdinCompPort = INVALID_HANDLE_VALUE; |
0198fd3c |
572 | } |
573 | |
9bbd33f9 |
574 | if (acceptMutex != INVALID_HANDLE_VALUE) |
575 | { |
576 | ReleaseMutex(acceptMutex); |
577 | } |
578 | |
579 | DisconnectNamedPipe(hListen); |
580 | |
581 | CancelIo(hListen); |
582 | |
583 | |
0198fd3c |
584 | WSACleanup(); |
0198fd3c |
585 | } |
586 | |
0198fd3c |
587 | /* |
588 | *-------------------------------------------------------------- |
589 | * |
590 | * Win32FreeDescriptor -- |
591 | * |
592 | * Free I/O descriptor entry in fdTable. |
593 | * |
594 | * Results: |
595 | * Frees I/O descriptor entry in fdTable. |
596 | * |
597 | * Side effects: |
598 | * None. |
599 | * |
600 | *-------------------------------------------------------------- |
601 | */ |
602 | static void Win32FreeDescriptor(int fd) |
603 | { |
604 | /* Catch it if fd is a bogus value */ |
605 | ASSERT((fd >= 0) && (fd < WIN32_OPEN_MAX)); |
0198fd3c |
606 | |
73389ec2 |
607 | EnterCriticalSection(&fdTableCritical); |
608 | |
609 | if (fdTable[fd].type != FD_UNUSED) |
610 | { |
611 | switch (fdTable[fd].type) |
612 | { |
613 | case FD_FILE_SYNC: |
614 | case FD_FILE_ASYNC: |
615 | |
616 | /* Free file path string */ |
617 | ASSERT(fdTable[fd].path != NULL); |
618 | free(fdTable[fd].path); |
619 | fdTable[fd].path = NULL; |
620 | break; |
621 | |
622 | default: |
623 | break; |
624 | } |
625 | |
626 | ASSERT(fdTable[fd].path == NULL); |
627 | |
628 | fdTable[fd].type = FD_UNUSED; |
629 | fdTable[fd].path = NULL; |
630 | fdTable[fd].Errno = NO_ERROR; |
631 | fdTable[fd].offsetHighPtr = fdTable[fd].offsetLowPtr = NULL; |
632 | |
633 | if (fdTable[fd].hMapMutex != NULL) |
634 | { |
635 | CloseHandle(fdTable[fd].hMapMutex); |
636 | fdTable[fd].hMapMutex = NULL; |
637 | } |
0198fd3c |
638 | } |
73389ec2 |
639 | |
640 | LeaveCriticalSection(&fdTableCritical); |
641 | |
0198fd3c |
642 | return; |
643 | } |
644 | |
a6b4e4d4 |
645 | static short getPort(const char * bindPath) |
646 | { |
647 | short port = 0; |
648 | char * p = strchr(bindPath, ':'); |
649 | |
650 | if (p && *++p) |
651 | { |
652 | char buf[6]; |
653 | |
654 | strncpy(buf, p, 6); |
655 | buf[5] = '\0'; |
656 | |
bf00339b |
657 | port = (short) atoi(buf); |
a6b4e4d4 |
658 | } |
659 | |
660 | return port; |
661 | } |
662 | |
0198fd3c |
663 | /* |
664 | * OS_CreateLocalIpcFd -- |
665 | * |
666 | * This procedure is responsible for creating the listener pipe |
667 | * on Windows NT for local process communication. It will create a |
668 | * named pipe and return a file descriptor to it to the caller. |
669 | * |
670 | * Results: |
671 | * Listener pipe created. This call returns either a valid |
672 | * pseudo file descriptor or -1 on error. |
673 | * |
674 | * Side effects: |
675 | * Listener pipe and IPC address are stored in the FCGI info |
676 | * structure. |
677 | * 'errno' will set on errors (-1 is returned). |
678 | * |
679 | *---------------------------------------------------------------------- |
680 | */ |
0b7c9662 |
681 | int OS_CreateLocalIpcFd(const char *bindPath, int backlog) |
0198fd3c |
682 | { |
a6b4e4d4 |
683 | int pseudoFd = -1; |
684 | short port = getPort(bindPath); |
6ad90ad2 |
685 | |
7f1bbe19 |
686 | if (acceptMutex == INVALID_HANDLE_VALUE) |
687 | { |
688 | acceptMutex = CreateMutex(NULL, FALSE, NULL); |
48f63bdf |
689 | if (acceptMutex == NULL) return -2; |
690 | if (! SetHandleInformation(acceptMutex, HANDLE_FLAG_INHERIT, TRUE)) return -3; |
87abe107 |
691 | } |
692 | |
a6b4e4d4 |
693 | // There's nothing to be gained (at the moment) by a shutdown Event |
87abe107 |
694 | |
a6b4e4d4 |
695 | if (port && *bindPath != ':' && strncmp(bindPath, LOCALHOST, strlen(LOCALHOST))) |
696 | { |
697 | fprintf(stderr, "To start a service on a TCP port can not " |
698 | "specify a host name.\n" |
699 | "You should either use \"localhost:<port>\" or " |
700 | " just use \":<port>.\"\n"); |
701 | exit(1); |
0198fd3c |
702 | } |
a6b4e4d4 |
703 | |
704 | listenType = (port) ? FD_SOCKET_SYNC : FD_PIPE_ASYNC; |
87abe107 |
705 | |
a6b4e4d4 |
706 | if (port) |
707 | { |
708 | SOCKET listenSock; |
709 | struct sockaddr_in sockAddr; |
710 | int sockLen = sizeof(sockAddr); |
711 | |
712 | memset(&sockAddr, 0, sizeof(sockAddr)); |
713 | sockAddr.sin_family = AF_INET; |
714 | sockAddr.sin_addr.s_addr = htonl(INADDR_ANY); |
715 | sockAddr.sin_port = htons(port); |
0198fd3c |
716 | |
a6b4e4d4 |
717 | listenSock = socket(AF_INET, SOCK_STREAM, 0); |
718 | if (listenSock == INVALID_SOCKET) |
719 | { |
b24cecc1 |
720 | return -4; |
a6b4e4d4 |
721 | } |
0198fd3c |
722 | |
b24cecc1 |
723 | if (bind(listenSock, (struct sockaddr *) &sockAddr, sockLen) ) |
a6b4e4d4 |
724 | { |
b24cecc1 |
725 | return -12; |
726 | } |
727 | |
728 | if (listen(listenSock, backlog)) |
729 | { |
730 | return -5; |
a6b4e4d4 |
731 | } |
732 | |
733 | pseudoFd = Win32NewDescriptor(listenType, listenSock, -1); |
734 | |
735 | if (pseudoFd == -1) |
736 | { |
737 | closesocket(listenSock); |
b24cecc1 |
738 | return -6; |
a6b4e4d4 |
739 | } |
740 | |
741 | hListen = (HANDLE) listenSock; |
0198fd3c |
742 | } |
a6b4e4d4 |
743 | else |
744 | { |
745 | HANDLE hListenPipe = INVALID_HANDLE_VALUE; |
746 | char *pipePath = malloc(strlen(bindPathPrefix) + strlen(bindPath) + 1); |
747 | |
748 | if (! pipePath) |
749 | { |
b24cecc1 |
750 | return -7; |
a6b4e4d4 |
751 | } |
0198fd3c |
752 | |
a6b4e4d4 |
753 | strcpy(pipePath, bindPathPrefix); |
754 | strcat(pipePath, bindPath); |
6ad90ad2 |
755 | |
a6b4e4d4 |
756 | hListenPipe = CreateNamedPipe(pipePath, |
553207ad |
757 | PIPE_ACCESS_DUPLEX, |
a6b4e4d4 |
758 | PIPE_TYPE_BYTE | PIPE_WAIT | PIPE_READMODE_BYTE, |
759 | PIPE_UNLIMITED_INSTANCES, |
760 | 4096, 4096, 0, NULL); |
761 | |
762 | free(pipePath); |
6ad90ad2 |
763 | |
a6b4e4d4 |
764 | if (hListenPipe == INVALID_HANDLE_VALUE) |
765 | { |
b24cecc1 |
766 | return -8; |
a6b4e4d4 |
767 | } |
768 | |
769 | if (! SetHandleInformation(hListenPipe, HANDLE_FLAG_INHERIT, TRUE)) |
770 | { |
b24cecc1 |
771 | return -9; |
a6b4e4d4 |
772 | } |
773 | |
774 | pseudoFd = Win32NewDescriptor(listenType, (int) hListenPipe, -1); |
775 | |
776 | if (pseudoFd == -1) |
777 | { |
778 | CloseHandle(hListenPipe); |
b24cecc1 |
779 | return -10; |
a6b4e4d4 |
780 | } |
781 | |
782 | hListen = (HANDLE) hListenPipe; |
0198fd3c |
783 | } |
784 | |
a6b4e4d4 |
785 | return pseudoFd; |
0198fd3c |
786 | } |
787 | |
0198fd3c |
788 | /* |
789 | *---------------------------------------------------------------------- |
790 | * |
791 | * OS_FcgiConnect -- |
792 | * |
793 | * Create the pipe pathname connect to the remote application if |
794 | * possible. |
795 | * |
796 | * Results: |
797 | * -1 if fail or a valid handle if connection succeeds. |
798 | * |
799 | * Side effects: |
800 | * Remote connection established. |
801 | * |
802 | *---------------------------------------------------------------------- |
803 | */ |
804 | int OS_FcgiConnect(char *bindPath) |
805 | { |
a6b4e4d4 |
806 | short port = getPort(bindPath); |
807 | int pseudoFd = -1; |
87abe107 |
808 | |
a6b4e4d4 |
809 | if (port) |
810 | { |
811 | struct hostent *hp; |
812 | char *host = NULL; |
813 | struct sockaddr_in sockAddr; |
814 | int sockLen = sizeof(sockAddr); |
815 | SOCKET sock; |
816 | |
817 | if (*bindPath != ':') |
818 | { |
819 | char * p = strchr(bindPath, ':'); |
820 | int len = p - bindPath + 1; |
6ad90ad2 |
821 | |
a6b4e4d4 |
822 | host = malloc(len); |
823 | strncpy(host, bindPath, len); |
824 | host[len] = '\0'; |
825 | } |
826 | |
827 | hp = gethostbyname(host ? host : LOCALHOST); |
828 | |
829 | if (host) |
830 | { |
831 | free(host); |
832 | } |
833 | |
834 | if (hp == NULL) |
835 | { |
836 | fprintf(stderr, "Unknown host: %s\n", bindPath); |
837 | return -1; |
838 | } |
839 | |
840 | memset(&sockAddr, 0, sizeof(sockAddr)); |
841 | sockAddr.sin_family = AF_INET; |
842 | memcpy(&sockAddr.sin_addr, hp->h_addr, hp->h_length); |
843 | sockAddr.sin_port = htons(port); |
844 | |
845 | sock = socket(AF_INET, SOCK_STREAM, 0); |
846 | if (sock == INVALID_SOCKET) |
847 | { |
848 | return -1; |
849 | } |
850 | |
851 | if (! connect(sock, (struct sockaddr *) &sockAddr, sockLen)) |
852 | { |
853 | closesocket(sock); |
854 | return -1; |
855 | } |
856 | |
857 | pseudoFd = Win32NewDescriptor(FD_SOCKET_SYNC, sock, -1); |
858 | if (pseudoFd == -1) |
859 | { |
860 | closesocket(sock); |
861 | return -1; |
862 | } |
0198fd3c |
863 | } |
a6b4e4d4 |
864 | else |
865 | { |
866 | char *pipePath = malloc(strlen(bindPathPrefix) + strlen(bindPath) + 1); |
867 | HANDLE hPipe; |
868 | |
869 | if (! pipePath) |
870 | { |
871 | return -1; |
872 | } |
0198fd3c |
873 | |
a6b4e4d4 |
874 | strcpy(pipePath, bindPathPrefix); |
875 | strcat(pipePath, bindPath); |
876 | |
877 | hPipe = CreateFile(pipePath, |
878 | GENERIC_WRITE | GENERIC_READ, |
879 | FILE_SHARE_READ | FILE_SHARE_WRITE, |
880 | NULL, |
881 | OPEN_EXISTING, |
882 | FILE_FLAG_OVERLAPPED, |
883 | NULL); |
884 | |
885 | free(pipePath); |
886 | |
887 | if( hPipe == INVALID_HANDLE_VALUE) |
888 | { |
889 | return -1; |
890 | } |
891 | |
892 | pseudoFd = Win32NewDescriptor(FD_PIPE_ASYNC, (int) hPipe, -1); |
893 | |
894 | if (pseudoFd == -1) |
895 | { |
896 | CloseHandle(hPipe); |
897 | return -1; |
898 | } |
899 | |
0198fd3c |
900 | /* |
a6b4e4d4 |
901 | * Set stdin equal to our pseudo FD and create the I/O completion |
902 | * port to be used for async I/O. |
903 | */ |
904 | if (! CreateIoCompletionPort(hPipe, hIoCompPort, pseudoFd, 1)) |
905 | { |
906 | Win32FreeDescriptor(pseudoFd); |
907 | CloseHandle(hPipe); |
908 | return -1; |
909 | } |
0198fd3c |
910 | } |
a6b4e4d4 |
911 | |
912 | return pseudoFd; |
0198fd3c |
913 | } |
6ad90ad2 |
914 | |
0198fd3c |
915 | /* |
916 | *-------------------------------------------------------------- |
917 | * |
918 | * OS_Read -- |
919 | * |
920 | * Pass through to the appropriate NT read function. |
921 | * |
922 | * Results: |
923 | * Returns number of byes read. Mimics unix read:. |
924 | * n bytes read, 0 or -1 failure: errno contains actual error |
925 | * |
926 | * Side effects: |
927 | * None. |
928 | * |
929 | *-------------------------------------------------------------- |
930 | */ |
931 | int OS_Read(int fd, char * buf, size_t len) |
932 | { |
933 | DWORD bytesRead; |
225369c3 |
934 | int ret = -1; |
0198fd3c |
935 | |
0198fd3c |
936 | ASSERT((fd >= 0) && (fd < WIN32_OPEN_MAX)); |
937 | |
2e7fb6c1 |
938 | if (shutdownNow) return -1; |
939 | |
225369c3 |
940 | switch (fdTable[fd].type) |
941 | { |
0198fd3c |
942 | case FD_FILE_SYNC: |
943 | case FD_FILE_ASYNC: |
944 | case FD_PIPE_SYNC: |
945 | case FD_PIPE_ASYNC: |
225369c3 |
946 | |
947 | if (ReadFile(fdTable[fd].fid.fileHandle, buf, len, &bytesRead, NULL)) |
948 | { |
949 | ret = bytesRead; |
950 | } |
951 | else |
952 | { |
953 | fdTable[fd].Errno = GetLastError(); |
0198fd3c |
954 | } |
225369c3 |
955 | |
956 | break; |
0198fd3c |
957 | |
958 | case FD_SOCKET_SYNC: |
959 | case FD_SOCKET_ASYNC: |
225369c3 |
960 | |
961 | ret = recv(fdTable[fd].fid.sock, buf, len, 0); |
962 | if (ret == SOCKET_ERROR) |
963 | { |
964 | fdTable[fd].Errno = WSAGetLastError(); |
965 | ret = -1; |
0198fd3c |
966 | } |
225369c3 |
967 | |
968 | break; |
969 | |
970 | default: |
971 | |
972 | ASSERT(0); |
0198fd3c |
973 | } |
225369c3 |
974 | |
975 | return ret; |
0198fd3c |
976 | } |
62e100c7 |
977 | |
0198fd3c |
978 | /* |
979 | *-------------------------------------------------------------- |
980 | * |
981 | * OS_Write -- |
982 | * |
983 | * Perform a synchronous OS write. |
984 | * |
985 | * Results: |
986 | * Returns number of bytes written. Mimics unix write: |
987 | * n bytes written, 0 or -1 failure (??? couldn't find man page). |
988 | * |
989 | * Side effects: |
990 | * none. |
991 | * |
992 | *-------------------------------------------------------------- |
993 | */ |
994 | int OS_Write(int fd, char * buf, size_t len) |
995 | { |
996 | DWORD bytesWritten; |
225369c3 |
997 | int ret = -1; |
0198fd3c |
998 | |
225369c3 |
999 | ASSERT(fd >= 0 && fd < WIN32_OPEN_MAX); |
0198fd3c |
1000 | |
2e7fb6c1 |
1001 | if (shutdownNow) return -1; |
1002 | |
225369c3 |
1003 | switch (fdTable[fd].type) |
1004 | { |
0198fd3c |
1005 | case FD_FILE_SYNC: |
1006 | case FD_FILE_ASYNC: |
1007 | case FD_PIPE_SYNC: |
1008 | case FD_PIPE_ASYNC: |
225369c3 |
1009 | |
1010 | if (WriteFile(fdTable[fd].fid.fileHandle, buf, len, &bytesWritten, NULL)) |
1011 | { |
1012 | ret = bytesWritten; |
1013 | } |
1014 | else |
1015 | { |
1016 | fdTable[fd].Errno = GetLastError(); |
0198fd3c |
1017 | } |
225369c3 |
1018 | |
1019 | break; |
1020 | |
0198fd3c |
1021 | case FD_SOCKET_SYNC: |
1022 | case FD_SOCKET_ASYNC: |
225369c3 |
1023 | |
1024 | ret = send(fdTable[fd].fid.sock, buf, len, 0); |
1025 | if (ret == SOCKET_ERROR) |
1026 | { |
1027 | fdTable[fd].Errno = WSAGetLastError(); |
1028 | ret = -1; |
0198fd3c |
1029 | } |
225369c3 |
1030 | |
1031 | break; |
1032 | |
1033 | default: |
1034 | |
1035 | ASSERT(0); |
0198fd3c |
1036 | } |
225369c3 |
1037 | |
1038 | return ret; |
0198fd3c |
1039 | } |
1040 | |
0198fd3c |
1041 | /* |
1042 | *---------------------------------------------------------------------- |
1043 | * |
1044 | * OS_SpawnChild -- |
1045 | * |
1046 | * Spawns a new server listener process, and stores the information |
1047 | * relating to the child in the supplied record. A wait handler is |
1048 | * registered on the child's completion. This involves creating |
1049 | * a process on NT and preparing a command line with the required |
1050 | * state (currently a -childproc flag and the server socket to use |
1051 | * for accepting connections). |
1052 | * |
1053 | * Results: |
1054 | * 0 if success, -1 if error. |
1055 | * |
1056 | * Side effects: |
1057 | * Child process spawned. |
1058 | * |
1059 | *---------------------------------------------------------------------- |
1060 | */ |
1061 | int OS_SpawnChild(char *execPath, int listenFd) |
1062 | { |
1063 | STARTUPINFO StartupInfo; |
1064 | PROCESS_INFORMATION pInfo; |
1065 | BOOL success; |
1066 | |
1067 | memset((void *)&StartupInfo, 0, sizeof(STARTUPINFO)); |
1068 | StartupInfo.cb = sizeof (STARTUPINFO); |
1069 | StartupInfo.lpReserved = NULL; |
1070 | StartupInfo.lpReserved2 = NULL; |
1071 | StartupInfo.cbReserved2 = 0; |
1072 | StartupInfo.lpDesktop = NULL; |
1073 | |
1074 | /* |
1075 | * FastCGI on NT will set the listener pipe HANDLE in the stdin of |
1076 | * the new process. The fact that there is a stdin and NULL handles |
1077 | * for stdout and stderr tells the FastCGI process that this is a |
1078 | * FastCGI process and not a CGI process. |
1079 | */ |
1080 | StartupInfo.dwFlags = STARTF_USESTDHANDLES; |
1081 | /* |
1082 | * XXX: Do I have to dup the handle before spawning the process or is |
1083 | * it sufficient to use the handle as it's reference counted |
1084 | * by NT anyway? |
1085 | */ |
1086 | StartupInfo.hStdInput = fdTable[listenFd].fid.fileHandle; |
1087 | StartupInfo.hStdOutput = INVALID_HANDLE_VALUE; |
1088 | StartupInfo.hStdError = INVALID_HANDLE_VALUE; |
6ad90ad2 |
1089 | |
0198fd3c |
1090 | /* |
1091 | * Make the listener socket inheritable. |
1092 | */ |
1093 | success = SetHandleInformation(StartupInfo.hStdInput, HANDLE_FLAG_INHERIT, |
1094 | TRUE); |
1095 | if(!success) { |
1096 | exit(99); |
1097 | } |
1098 | |
1099 | /* |
1100 | * XXX: Might want to apply some specific security attributes to the |
1101 | * processes. |
1102 | */ |
1103 | success = CreateProcess(execPath, /* LPCSTR address of module name */ |
1104 | NULL, /* LPCSTR address of command line */ |
6ad90ad2 |
1105 | NULL, /* Process security attributes */ |
0198fd3c |
1106 | NULL, /* Thread security attributes */ |
1107 | TRUE, /* Inheritable Handes inherited. */ |
1108 | 0, /* DWORD creation flags */ |
1109 | NULL, /* Use parent environment block */ |
1110 | NULL, /* Address of current directory name */ |
1111 | &StartupInfo, /* Address of STARTUPINFO */ |
1112 | &pInfo); /* Address of PROCESS_INFORMATION */ |
1113 | if(success) { |
1114 | return 0; |
1115 | } else { |
1116 | return -1; |
1117 | } |
1118 | } |
1119 | |
0198fd3c |
1120 | /* |
1121 | *-------------------------------------------------------------- |
1122 | * |
1123 | * OS_AsyncReadStdin -- |
1124 | * |
1125 | * This initiates an asynchronous read on the standard |
1126 | * input handle. This handle is not guaranteed to be |
6ad90ad2 |
1127 | * capable of performing asynchronous I/O so we send a |
0198fd3c |
1128 | * message to the StdinThread to do the synchronous read. |
1129 | * |
1130 | * Results: |
1131 | * -1 if error, 0 otherwise. |
1132 | * |
1133 | * Side effects: |
1134 | * Asynchronous message is queued to the StdinThread and an |
1135 | * overlapped structure is allocated/initialized. |
1136 | * |
1137 | *-------------------------------------------------------------- |
1138 | */ |
6ad90ad2 |
1139 | int OS_AsyncReadStdin(void *buf, int len, OS_AsyncProc procPtr, |
0198fd3c |
1140 | ClientData clientData) |
1141 | { |
1142 | POVERLAPPED_REQUEST pOv; |
1143 | |
1144 | ASSERT(fdTable[STDIN_FILENO].type != FD_UNUSED); |
1145 | |
1146 | pOv = (POVERLAPPED_REQUEST)malloc(sizeof(struct OVERLAPPED_REQUEST)); |
1147 | ASSERT(pOv); |
1148 | memset((void *)pOv, 0, sizeof(struct OVERLAPPED_REQUEST)); |
1149 | pOv->clientData1 = (ClientData)buf; |
1150 | pOv->instance = fdTable[STDIN_FILENO].instance; |
1151 | pOv->procPtr = procPtr; |
1152 | pOv->clientData = clientData; |
1153 | |
1154 | PostQueuedCompletionStatus(hStdinCompPort, len, STDIN_FILENO, |
1155 | (LPOVERLAPPED)pOv); |
1156 | return 0; |
1157 | } |
1158 | |
0198fd3c |
1159 | /* |
1160 | *-------------------------------------------------------------- |
1161 | * |
1162 | * OS_AsyncRead -- |
1163 | * |
1164 | * This initiates an asynchronous read on the file |
1165 | * handle which may be a socket or named pipe. |
1166 | * |
1167 | * We also must save the ProcPtr and ClientData, so later |
1168 | * when the io completes, we know who to call. |
1169 | * |
1170 | * We don't look at any results here (the ReadFile may |
1171 | * return data if it is cached) but do all completion |
1172 | * processing in OS_Select when we get the io completion |
1173 | * port done notifications. Then we call the callback. |
1174 | * |
1175 | * Results: |
1176 | * -1 if error, 0 otherwise. |
1177 | * |
1178 | * Side effects: |
1179 | * Asynchronous I/O operation is queued for completion. |
1180 | * |
1181 | *-------------------------------------------------------------- |
1182 | */ |
1183 | int OS_AsyncRead(int fd, int offset, void *buf, int len, |
1184 | OS_AsyncProc procPtr, ClientData clientData) |
1185 | { |
1186 | DWORD bytesRead; |
1187 | POVERLAPPED_REQUEST pOv; |
1188 | |
1189 | /* |
1190 | * Catch any bogus fd values |
1191 | */ |
1192 | ASSERT((fd >= 0) && (fd < WIN32_OPEN_MAX)); |
1193 | /* |
1194 | * Confirm that this is an async fd |
1195 | */ |
1196 | ASSERT(fdTable[fd].type != FD_UNUSED); |
1197 | ASSERT(fdTable[fd].type != FD_FILE_SYNC); |
1198 | ASSERT(fdTable[fd].type != FD_PIPE_SYNC); |
1199 | ASSERT(fdTable[fd].type != FD_SOCKET_SYNC); |
1200 | |
1201 | pOv = (POVERLAPPED_REQUEST)malloc(sizeof(struct OVERLAPPED_REQUEST)); |
1202 | ASSERT(pOv); |
1203 | memset((void *)pOv, 0, sizeof(struct OVERLAPPED_REQUEST)); |
1204 | /* |
1205 | * Only file offsets should be non-zero, but make sure. |
1206 | */ |
1207 | if (fdTable[fd].type == FD_FILE_ASYNC) |
1208 | if (fdTable[fd].offset >= 0) |
1209 | pOv->overlapped.Offset = fdTable[fd].offset; |
1210 | else |
1211 | pOv->overlapped.Offset = offset; |
1212 | pOv->instance = fdTable[fd].instance; |
1213 | pOv->procPtr = procPtr; |
1214 | pOv->clientData = clientData; |
1215 | bytesRead = fd; |
1216 | /* |
1217 | * ReadFile returns: TRUE success, FALSE failure |
1218 | */ |
1219 | if (!ReadFile(fdTable[fd].fid.fileHandle, buf, len, &bytesRead, |
1220 | (LPOVERLAPPED)pOv)) { |
1221 | fdTable[fd].Errno = GetLastError(); |
1222 | if(fdTable[fd].Errno == ERROR_NO_DATA || |
1223 | fdTable[fd].Errno == ERROR_PIPE_NOT_CONNECTED) { |
1224 | PostQueuedCompletionStatus(hIoCompPort, 0, fd, (LPOVERLAPPED)pOv); |
1225 | return 0; |
1226 | } |
1227 | if(fdTable[fd].Errno != ERROR_IO_PENDING) { |
1228 | PostQueuedCompletionStatus(hIoCompPort, 0, fd, (LPOVERLAPPED)pOv); |
1229 | return -1; |
1230 | } |
1231 | fdTable[fd].Errno = 0; |
1232 | } |
1233 | return 0; |
1234 | } |
62e100c7 |
1235 | |
0198fd3c |
1236 | /* |
1237 | *-------------------------------------------------------------- |
1238 | * |
1239 | * OS_AsyncWrite -- |
1240 | * |
1241 | * This initiates an asynchronous write on the "fake" file |
1242 | * descriptor (which may be a file, socket, or named pipe). |
1243 | * We also must save the ProcPtr and ClientData, so later |
1244 | * when the io completes, we know who to call. |
1245 | * |
1246 | * We don't look at any results here (the WriteFile generally |
1247 | * completes immediately) but do all completion processing |
1248 | * in OS_DoIo when we get the io completion port done |
1249 | * notifications. Then we call the callback. |
1250 | * |
1251 | * Results: |
1252 | * -1 if error, 0 otherwise. |
1253 | * |
1254 | * Side effects: |
1255 | * Asynchronous I/O operation is queued for completion. |
1256 | * |
1257 | *-------------------------------------------------------------- |
1258 | */ |
6ad90ad2 |
1259 | int OS_AsyncWrite(int fd, int offset, void *buf, int len, |
0198fd3c |
1260 | OS_AsyncProc procPtr, ClientData clientData) |
1261 | { |
1262 | DWORD bytesWritten; |
1263 | POVERLAPPED_REQUEST pOv; |
1264 | |
1265 | /* |
1266 | * Catch any bogus fd values |
1267 | */ |
1268 | ASSERT((fd >= 0) && (fd < WIN32_OPEN_MAX)); |
1269 | /* |
1270 | * Confirm that this is an async fd |
1271 | */ |
1272 | ASSERT(fdTable[fd].type != FD_UNUSED); |
1273 | ASSERT(fdTable[fd].type != FD_FILE_SYNC); |
1274 | ASSERT(fdTable[fd].type != FD_PIPE_SYNC); |
1275 | ASSERT(fdTable[fd].type != FD_SOCKET_SYNC); |
1276 | |
1277 | pOv = (POVERLAPPED_REQUEST)malloc(sizeof(struct OVERLAPPED_REQUEST)); |
1278 | ASSERT(pOv); |
1279 | memset((void *)pOv, 0, sizeof(struct OVERLAPPED_REQUEST)); |
1280 | /* |
1281 | * Only file offsets should be non-zero, but make sure. |
1282 | */ |
1283 | if (fdTable[fd].type == FD_FILE_ASYNC) |
6ad90ad2 |
1284 | /* |
0198fd3c |
1285 | * Only file opened via OS_AsyncWrite with |
1286 | * O_APPEND will have an offset != -1. |
1287 | */ |
1288 | if (fdTable[fd].offset >= 0) |
6ad90ad2 |
1289 | /* |
0198fd3c |
1290 | * If the descriptor has a memory mapped file |
1291 | * handle, take the offsets from there. |
1292 | */ |
1293 | if (fdTable[fd].hMapMutex != NULL) { |
1294 | /* |
1295 | * Wait infinitely; this *should* not cause problems. |
6ad90ad2 |
1296 | */ |
0198fd3c |
1297 | WaitForSingleObject(fdTable[fd].hMapMutex, INFINITE); |
6ad90ad2 |
1298 | |
0198fd3c |
1299 | /* |
1300 | * Retrieve the shared offset values. |
1301 | */ |
1302 | pOv->overlapped.OffsetHigh = *(fdTable[fd].offsetHighPtr); |
1303 | pOv->overlapped.Offset = *(fdTable[fd].offsetLowPtr); |
6ad90ad2 |
1304 | |
0198fd3c |
1305 | /* |
1306 | * Update the shared offset values for the next write |
1307 | */ |
1308 | *(fdTable[fd].offsetHighPtr) += 0; /* XXX How do I handle overflow */ |
1309 | *(fdTable[fd].offsetLowPtr) += len; |
6ad90ad2 |
1310 | |
0198fd3c |
1311 | ReleaseMutex(fdTable[fd].hMapMutex); |
6ad90ad2 |
1312 | } else |
0198fd3c |
1313 | pOv->overlapped.Offset = fdTable[fd].offset; |
1314 | else |
1315 | pOv->overlapped.Offset = offset; |
1316 | pOv->instance = fdTable[fd].instance; |
1317 | pOv->procPtr = procPtr; |
1318 | pOv->clientData = clientData; |
1319 | bytesWritten = fd; |
1320 | /* |
1321 | * WriteFile returns: TRUE success, FALSE failure |
1322 | */ |
1323 | if (!WriteFile(fdTable[fd].fid.fileHandle, buf, len, &bytesWritten, |
1324 | (LPOVERLAPPED)pOv)) { |
1325 | fdTable[fd].Errno = GetLastError(); |
1326 | if(fdTable[fd].Errno != ERROR_IO_PENDING) { |
1327 | PostQueuedCompletionStatus(hIoCompPort, 0, fd, (LPOVERLAPPED)pOv); |
1328 | return -1; |
1329 | } |
1330 | fdTable[fd].Errno = 0; |
1331 | } |
1332 | if (fdTable[fd].offset >= 0) |
1333 | fdTable[fd].offset += len; |
1334 | return 0; |
1335 | } |
1336 | |
0198fd3c |
1337 | /* |
1338 | *-------------------------------------------------------------- |
1339 | * |
1340 | * OS_Close -- |
1341 | * |
1342 | * Closes the descriptor with routine appropriate for |
1343 | * descriptor's type. |
1344 | * |
1345 | * Results: |
1346 | * Socket or file is closed. Return values mimic Unix close: |
1347 | * 0 success, -1 failure |
1348 | * |
1349 | * Side effects: |
1350 | * Entry in fdTable is marked as free. |
1351 | * |
1352 | *-------------------------------------------------------------- |
1353 | */ |
1354 | int OS_Close(int fd) |
1355 | { |
1356 | int ret = 0; |
1357 | |
1358 | /* |
1359 | * Catch it if fd is a bogus value |
1360 | */ |
1361 | ASSERT((fd >= 0) && (fd < WIN32_OPEN_MAX)); |
1362 | ASSERT(fdTable[fd].type != FD_UNUSED); |
1363 | |
1364 | switch (fdTable[fd].type) { |
1365 | case FD_PIPE_SYNC: |
1366 | case FD_PIPE_ASYNC: |
1367 | case FD_FILE_SYNC: |
1368 | case FD_FILE_ASYNC: |
0198fd3c |
1369 | break; |
87abe107 |
1370 | |
1371 | case FD_SOCKET_SYNC: |
0198fd3c |
1372 | case FD_SOCKET_ASYNC: |
1373 | /* |
1374 | * Closing a socket that has an async read outstanding causes a |
1375 | * tcp reset and possible data loss. The shutdown call seems to |
1376 | * prevent this. |
1377 | */ |
1378 | shutdown(fdTable[fd].fid.sock, 2); |
1379 | /* |
1380 | * closesocket returns: 0 success, SOCKET_ERROR failure |
1381 | */ |
1382 | if (closesocket(fdTable[fd].fid.sock) == SOCKET_ERROR) |
1383 | ret = -1; |
1384 | break; |
1385 | default: |
1386 | return -1; /* fake failure */ |
1387 | } |
1388 | |
1389 | Win32FreeDescriptor(fd); |
1390 | return ret; |
1391 | } |
62e100c7 |
1392 | |
0198fd3c |
1393 | /* |
1394 | *-------------------------------------------------------------- |
1395 | * |
1396 | * OS_CloseRead -- |
1397 | * |
1398 | * Cancel outstanding asynchronous reads and prevent subsequent |
1399 | * reads from completing. |
1400 | * |
1401 | * Results: |
1402 | * Socket or file is shutdown. Return values mimic Unix shutdown: |
1403 | * 0 success, -1 failure |
1404 | * |
1405 | *-------------------------------------------------------------- |
1406 | */ |
1407 | int OS_CloseRead(int fd) |
1408 | { |
1409 | int ret = 0; |
1410 | |
1411 | /* |
1412 | * Catch it if fd is a bogus value |
1413 | */ |
1414 | ASSERT((fd >= 0) && (fd < WIN32_OPEN_MAX)); |
1415 | ASSERT(fdTable[fd].type == FD_SOCKET_ASYNC |
1416 | || fdTable[fd].type == FD_SOCKET_SYNC); |
1417 | |
1418 | if (shutdown(fdTable[fd].fid.sock,0) == SOCKET_ERROR) |
1419 | ret = -1; |
1420 | return ret; |
1421 | } |
62e100c7 |
1422 | |
0198fd3c |
1423 | /* |
1424 | *-------------------------------------------------------------- |
1425 | * |
1426 | * OS_DoIo -- |
1427 | * |
1428 | * This function was formerly OS_Select. It's purpose is |
1429 | * to pull I/O completion events off the queue and dispatch |
1430 | * them to the appropriate place. |
1431 | * |
1432 | * Results: |
1433 | * Returns 0. |
1434 | * |
1435 | * Side effects: |
1436 | * Handlers are called. |
1437 | * |
1438 | *-------------------------------------------------------------- |
1439 | */ |
1440 | int OS_DoIo(struct timeval *tmo) |
1441 | { |
bf00339b |
1442 | unsigned long fd; |
1443 | unsigned long bytes; |
0198fd3c |
1444 | POVERLAPPED_REQUEST pOv; |
1445 | struct timeb tb; |
1446 | int ms; |
1447 | int ms_last; |
1448 | int err; |
6ad90ad2 |
1449 | |
0198fd3c |
1450 | /* XXX |
1451 | * We can loop in here, but not too long, as wait handlers |
1452 | * must run. |
1453 | * For cgi stdin, apparently select returns when io completion |
1454 | * ports don't, so don't wait the full timeout. |
1455 | */ |
1456 | if(tmo) |
1457 | ms = (tmo->tv_sec*1000 + tmo->tv_usec/1000) / 2; |
1458 | else |
1459 | ms = 1000; |
1460 | ftime(&tb); |
1461 | ms_last = tb.time*1000 + tb.millitm; |
1462 | while (ms >= 0) { |
1463 | if(tmo && (ms = tmo->tv_sec*1000 + tmo->tv_usec/1000)> 100) |
1464 | ms = 100; |
1465 | if (!GetQueuedCompletionStatus(hIoCompPort, &bytes, &fd, |
1466 | (LPOVERLAPPED *)&pOv, ms) && !pOv) { |
1467 | err = WSAGetLastError(); |
1468 | return 0; /* timeout */ |
1469 | } |
6ad90ad2 |
1470 | |
0198fd3c |
1471 | ASSERT((fd >= 0) && (fd < WIN32_OPEN_MAX)); |
1472 | /* call callback if descriptor still valid */ |
1473 | ASSERT(pOv); |
1474 | if(pOv->instance == fdTable[fd].instance) |
1475 | (*pOv->procPtr)(pOv->clientData, bytes); |
1476 | free(pOv); |
1477 | |
1478 | ftime(&tb); |
1479 | ms -= (tb.time*1000 + tb.millitm - ms_last); |
1480 | ms_last = tb.time*1000 + tb.millitm; |
1481 | } |
1482 | return 0; |
1483 | } |
1484 | |
b24cecc1 |
1485 | static int isAddrOK(struct sockaddr_in * inet_sockaddr, const char * okAddrs) |
87abe107 |
1486 | { |
b24cecc1 |
1487 | static const char *token = " ,;:\t"; |
1488 | char *ipaddr; |
1489 | char *p; |
87abe107 |
1490 | |
b24cecc1 |
1491 | if (okAddrs == NULL) return TRUE; |
bf00339b |
1492 | |
b24cecc1 |
1493 | ipaddr = inet_ntoa(inet_sockaddr->sin_addr); |
1494 | p = strstr(okAddrs, ipaddr); |
1495 | |
1496 | if (p == NULL) return FALSE; |
1497 | |
1498 | if (p == okAddrs) |
87abe107 |
1499 | { |
b24cecc1 |
1500 | p += strlen(ipaddr); |
1501 | return (strchr(token, *p) != NULL); |
87abe107 |
1502 | } |
87abe107 |
1503 | |
b24cecc1 |
1504 | if (strchr(token, *--p) != NULL) |
1505 | { |
1506 | p += strlen(ipaddr) + 1; |
1507 | return (strchr(token, *p) != NULL); |
87abe107 |
1508 | } |
b24cecc1 |
1509 | |
1510 | return FALSE; |
87abe107 |
1511 | } |
9bbd33f9 |
1512 | |
b24cecc1 |
1513 | #ifndef NO_WSAACEPT |
1514 | static int CALLBACK isAddrOKCallback(LPWSABUF lpCallerId, |
1515 | LPWSABUF dc0, |
1516 | LPQOS dc1, |
1517 | LPQOS dc2, |
1518 | LPWSABUF dc3, |
1519 | LPWSABUF dc4, |
1520 | GROUP *dc5, |
1521 | DWORD data) |
1522 | { |
1523 | struct sockaddr_in *sockaddr = (struct sockaddr_in *) lpCallerId->buf; |
1524 | |
1525 | // Touch the args to avoid warnings |
1526 | dc0 = NULL; dc1 = NULL; dc2 = NULL; dc3 = NULL; dc4 = NULL; dc5 = NULL; |
1527 | |
1528 | if ((void *) data == NULL) return CF_ACCEPT; |
1529 | |
1530 | if (sockaddr->sin_family != AF_INET) return CF_ACCEPT; |
1531 | |
1532 | return isAddrOK(sockaddr, (const char *) data) ? CF_ACCEPT : CF_REJECT; |
1533 | } |
1534 | #endif |
1535 | |
9bbd33f9 |
1536 | static printLastError(const char * text) |
1537 | { |
1538 | LPVOID buf; |
1539 | |
1540 | FormatMessage( |
1541 | FORMAT_MESSAGE_ALLOCATE_BUFFER | |
1542 | FORMAT_MESSAGE_FROM_SYSTEM | |
1543 | FORMAT_MESSAGE_IGNORE_INSERTS, |
1544 | NULL, |
1545 | GetLastError(), |
1546 | 0, |
1547 | (LPTSTR) &buf, |
1548 | 0, |
1549 | NULL |
1550 | ); |
1551 | |
1552 | fprintf(stderr, "%s: %s\n", text, (LPCTSTR) buf); |
1553 | LocalFree(buf); |
1554 | } |
1555 | |
1556 | static int acceptNamedPipe() |
1557 | { |
1558 | int ipcFd = -1; |
1559 | |
553207ad |
1560 | if (! ConnectNamedPipe(hListen, NULL)) |
9bbd33f9 |
1561 | { |
1562 | switch (GetLastError()) |
1563 | { |
1564 | case ERROR_PIPE_CONNECTED: |
1565 | |
1566 | // A client connected after CreateNamedPipe but |
1567 | // before ConnectNamedPipe. Its a good connection. |
1568 | |
1569 | break; |
1570 | |
1571 | case ERROR_IO_PENDING: |
1572 | |
553207ad |
1573 | // The NamedPipe was opened with an Overlapped structure |
1574 | // and there is a pending io operation. mod_fastcgi |
1575 | // did this in 2.2.12 (fcgi_pm.c v1.52). |
9bbd33f9 |
1576 | |
1577 | case ERROR_PIPE_LISTENING: |
1578 | |
1579 | // The pipe handle is in nonblocking mode. |
1580 | |
1581 | case ERROR_NO_DATA: |
1582 | |
1583 | // The previous client closed its handle (and we failed |
1584 | // to call DisconnectNamedPipe) |
1585 | |
1586 | default: |
1587 | |
1588 | printLastError("unexpected ConnectNamedPipe() error"); |
1589 | } |
1590 | } |
1591 | |
1592 | ipcFd = Win32NewDescriptor(FD_PIPE_SYNC, (int) hListen, -1); |
1593 | if (ipcFd == -1) |
1594 | { |
1595 | DisconnectNamedPipe(hListen); |
1596 | } |
1597 | |
1598 | return ipcFd; |
1599 | } |
1600 | |
1601 | static int acceptSocket(const char *webServerAddrs) |
1602 | { |
9bbd33f9 |
1603 | SOCKET hSock; |
1604 | int ipcFd = -1; |
b24cecc1 |
1605 | |
1606 | for (;;) |
9bbd33f9 |
1607 | { |
b24cecc1 |
1608 | struct sockaddr sockaddr; |
1609 | int sockaddrLen = sizeof(sockaddr); |
1610 | |
1611 | for (;;) |
9bbd33f9 |
1612 | { |
b24cecc1 |
1613 | const struct timeval timeout = {1, 0}; |
1614 | fd_set readfds; |
1615 | |
1616 | FD_ZERO(&readfds); |
1617 | FD_SET((unsigned int) hListen, &readfds); |
1618 | |
1619 | if (select(0, &readfds, NULL, NULL, &timeout) == 0) |
1620 | { |
1621 | if (shutdownPending) |
1622 | { |
1623 | OS_LibShutdown(); |
1624 | return -1; |
1625 | } |
1626 | } |
1627 | else |
1628 | { |
1629 | break; |
1630 | } |
9bbd33f9 |
1631 | } |
9bbd33f9 |
1632 | |
b24cecc1 |
1633 | #if NO_WSAACEPT |
1634 | hSock = accept((SOCKET) hListen, &sockaddr, &sockaddrLen); |
1635 | |
1636 | if (hSock == INVALID_SOCKET) |
1637 | { |
1638 | break; |
1639 | } |
1640 | |
1641 | if (isAddrOK((struct sockaddr_in *) &sockaddr, webServerAddrs)) |
1642 | { |
1643 | break; |
1644 | } |
1645 | |
1646 | closesocket(hSock); |
1647 | #else |
1648 | hSock = WSAAccept((unsigned int) hListen, |
1649 | &sockaddr, |
1650 | &sockaddrLen, |
1651 | isAddrOKCallback, |
1652 | (DWORD) webServerAddrs); |
1653 | |
1654 | if (hSock != INVALID_SOCKET) |
1655 | { |
1656 | break; |
1657 | } |
1658 | |
1659 | if (WSAGetLastError() != WSAECONNREFUSED) |
1660 | { |
1661 | break; |
1662 | } |
1663 | #endif |
1664 | } |
9bbd33f9 |
1665 | |
1666 | if (hSock == INVALID_SOCKET) |
1667 | { |
b24cecc1 |
1668 | /* Use FormatMessage() */ |
9bbd33f9 |
1669 | fprintf(stderr, "accept()/WSAAccept() failed: %d", WSAGetLastError()); |
1670 | return -1; |
1671 | } |
87abe107 |
1672 | |
9bbd33f9 |
1673 | ipcFd = Win32NewDescriptor(FD_SOCKET_SYNC, hSock, -1); |
1674 | if (ipcFd == -1) |
1675 | { |
1676 | closesocket(hSock); |
1677 | } |
1678 | |
1679 | return ipcFd; |
1680 | } |
1681 | |
0198fd3c |
1682 | /* |
1683 | *---------------------------------------------------------------------- |
1684 | * |
0b7c9662 |
1685 | * OS_Accept -- |
0198fd3c |
1686 | * |
9bbd33f9 |
1687 | * Accepts a new FastCGI connection. This routine knows whether |
1688 | * we're dealing with TCP based sockets or NT Named Pipes for IPC. |
1689 | * |
1690 | * fail_on_intr is ignored in the Win lib. |
0198fd3c |
1691 | * |
1692 | * Results: |
1693 | * -1 if the operation fails, otherwise this is a valid IPC fd. |
1694 | * |
0198fd3c |
1695 | *---------------------------------------------------------------------- |
1696 | */ |
1dd5d7a8 |
1697 | int OS_Accept(int listen_sock, int fail_on_intr, const char *webServerAddrs) |
0198fd3c |
1698 | { |
0198fd3c |
1699 | int ipcFd = -1; |
9bbd33f9 |
1700 | |
bf00339b |
1701 | // Touch args to prevent warnings |
1702 | listen_sock = 0; fail_on_intr = 0; |
1703 | |
9bbd33f9 |
1704 | // @todo Muliple listen sockets and sockets other than 0 are not |
1705 | // supported due to the use of globals. |
0198fd3c |
1706 | |
87abe107 |
1707 | if (shutdownPending) |
1708 | { |
9bbd33f9 |
1709 | OS_LibShutdown(); |
87abe107 |
1710 | return -1; |
1711 | } |
0198fd3c |
1712 | |
87abe107 |
1713 | // The mutex is to keep other processes (and threads, when supported) |
1714 | // from going into the accept cycle. The accept cycle needs to |
1715 | // periodically break out to check the state of the shutdown flag |
1716 | // and there's no point to having more than one thread do that. |
1717 | |
1718 | if (acceptMutex != INVALID_HANDLE_VALUE) |
1719 | { |
1720 | if (WaitForSingleObject(acceptMutex, INFINITE) == WAIT_FAILED) |
1721 | { |
9bbd33f9 |
1722 | printLastError("WaitForSingleObject() failed"); |
0198fd3c |
1723 | return -1; |
1724 | } |
87abe107 |
1725 | } |
1726 | |
1727 | if (shutdownPending) |
1728 | { |
9bbd33f9 |
1729 | OS_LibShutdown(); |
87abe107 |
1730 | } |
9bbd33f9 |
1731 | else if (listenType == FD_PIPE_SYNC) |
87abe107 |
1732 | { |
9bbd33f9 |
1733 | ipcFd = acceptNamedPipe(); |
0198fd3c |
1734 | } |
87abe107 |
1735 | else if (listenType == FD_SOCKET_SYNC) |
1736 | { |
9bbd33f9 |
1737 | ipcFd = acceptSocket(webServerAddrs); |
0198fd3c |
1738 | } |
87abe107 |
1739 | else |
1740 | { |
9bbd33f9 |
1741 | fprintf(stderr, "unknown listenType (%d)\n", listenType); |
87abe107 |
1742 | } |
1743 | |
9bbd33f9 |
1744 | if (acceptMutex != INVALID_HANDLE_VALUE) |
1745 | { |
1746 | ReleaseMutex(acceptMutex); |
1747 | } |
1748 | |
87abe107 |
1749 | return ipcFd; |
0198fd3c |
1750 | } |
62e100c7 |
1751 | |
0198fd3c |
1752 | /* |
1753 | *---------------------------------------------------------------------- |
1754 | * |
1755 | * OS_IpcClose |
1756 | * |
1757 | * OS IPC routine to close an IPC connection. |
1758 | * |
1759 | * Results: |
1760 | * |
1761 | * |
1762 | * Side effects: |
1763 | * IPC connection is closed. |
1764 | * |
1765 | *---------------------------------------------------------------------- |
1766 | */ |
1767 | int OS_IpcClose(int ipcFd) |
1768 | { |
8462b1ec |
1769 | if (ipcFd == -1) |
1770 | return 0; |
1771 | |
0198fd3c |
1772 | /* |
1773 | * Catch it if fd is a bogus value |
1774 | */ |
1775 | ASSERT((ipcFd >= 0) && (ipcFd < WIN32_OPEN_MAX)); |
1776 | ASSERT(fdTable[ipcFd].type != FD_UNUSED); |
1777 | |
1778 | switch(listenType) { |
1779 | |
1780 | case FD_PIPE_SYNC: |
1781 | /* |
1782 | * Make sure that the client (ie. a Web Server in this case) has |
1783 | * read all data from the pipe before we disconnect. |
1784 | */ |
1785 | if(!FlushFileBuffers(fdTable[ipcFd].fid.fileHandle)) |
1786 | return -1; |
1787 | if(DisconnectNamedPipe(fdTable[ipcFd].fid.fileHandle)) { |
1788 | OS_Close(ipcFd); |
1789 | return 0; |
1790 | } else { |
1791 | return -1; |
1792 | } |
1793 | break; |
1794 | |
1795 | case FD_SOCKET_SYNC: |
1796 | OS_Close(ipcFd); |
3bc7b7d9 |
1797 | return 0; |
0198fd3c |
1798 | break; |
1799 | |
1800 | case FD_UNUSED: |
1801 | default: |
1802 | exit(106); |
1803 | break; |
1804 | } |
0198fd3c |
1805 | } |
1806 | |
0198fd3c |
1807 | /* |
1808 | *---------------------------------------------------------------------- |
1809 | * |
1810 | * OS_IsFcgi -- |
1811 | * |
1812 | * Determines whether this process is a FastCGI process or not. |
1813 | * |
1814 | * Results: |
1815 | * Returns 1 if FastCGI, 0 if not. |
1816 | * |
1817 | * Side effects: |
1818 | * None. |
1819 | * |
1820 | *---------------------------------------------------------------------- |
1821 | */ |
0b7c9662 |
1822 | int OS_IsFcgi(int sock) |
0198fd3c |
1823 | { |
bf00339b |
1824 | // Touch args to prevent warnings |
1825 | sock = 0; |
1826 | |
0394d3a2 |
1827 | /* XXX This is broken for sock */ |
1828 | |
1829 | return (listenType != FD_UNUSED); |
0198fd3c |
1830 | } |
1831 | |
0198fd3c |
1832 | /* |
1833 | *---------------------------------------------------------------------- |
1834 | * |
1835 | * OS_SetFlags -- |
1836 | * |
1837 | * Sets selected flag bits in an open file descriptor. Currently |
1838 | * this is only to put a SOCKET into non-blocking mode. |
1839 | * |
1840 | *---------------------------------------------------------------------- |
1841 | */ |
1842 | void OS_SetFlags(int fd, int flags) |
1843 | { |
3bc7b7d9 |
1844 | unsigned long pLong = 1L; |
0198fd3c |
1845 | int err; |
6ad90ad2 |
1846 | |
3bc7b7d9 |
1847 | if (fdTable[fd].type == FD_SOCKET_SYNC && flags == O_NONBLOCK) { |
0198fd3c |
1848 | if (ioctlsocket(fdTable[fd].fid.sock, FIONBIO, &pLong) == |
1849 | SOCKET_ERROR) { |
1850 | exit(WSAGetLastError()); |
1851 | } |
1852 | if (!CreateIoCompletionPort((HANDLE)fdTable[fd].fid.sock, |
1853 | hIoCompPort, fd, 1)) { |
1854 | err = GetLastError(); |
1855 | exit(err); |
1856 | } |
1857 | |
1858 | fdTable[fd].type = FD_SOCKET_ASYNC; |
1859 | } |
1860 | return; |
1861 | } |
1862 | |