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9 | * remains the unpublished property of Open Market, Inc. Use, |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 |
967b1cfa |
20 | static const char rcsid[] = "$Id: os_win32.c,v 1.24 2001/09/14 19:43:27 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> |
30 | |
9bbd33f9 |
31 | #define DLLAPI __declspec(dllexport) |
33c47d40 |
32 | |
9bbd33f9 |
33 | #include "fcgimisc.h" |
33c47d40 |
34 | #include "fcgios.h" |
0198fd3c |
35 | |
87abe107 |
36 | #define WIN32_OPEN_MAX 128 /* XXX: Small hack */ |
a6b4e4d4 |
37 | |
9bbd33f9 |
38 | /* |
39 | * millisecs to wait for a client connection before checking the |
40 | * shutdown flag (then go back to waiting for a connection, etc). |
41 | */ |
42 | #define ACCEPT_TIMEOUT 1000 |
43 | |
6ad90ad2 |
44 | #define MUTEX_VARNAME "_FCGI_MUTEX_" |
87abe107 |
45 | #define SHUTDOWN_EVENT_NAME "_FCGI_SHUTDOWN_EVENT_" |
a6b4e4d4 |
46 | #define LOCALHOST "localhost" |
6ad90ad2 |
47 | |
0198fd3c |
48 | static HANDLE hIoCompPort = INVALID_HANDLE_VALUE; |
49 | static HANDLE hStdinCompPort = INVALID_HANDLE_VALUE; |
50 | static HANDLE hStdinThread = INVALID_HANDLE_VALUE; |
51 | |
52 | static HANDLE stdioHandles[3] = {INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE, |
53 | INVALID_HANDLE_VALUE}; |
54 | |
87abe107 |
55 | static HANDLE acceptMutex = INVALID_HANDLE_VALUE; |
56 | |
57 | static BOOLEAN shutdownPending = FALSE; |
2e7fb6c1 |
58 | static BOOLEAN shutdownNow = FALSE; |
0198fd3c |
59 | |
6ad90ad2 |
60 | /* |
0198fd3c |
61 | * An enumeration of the file types |
62 | * supported by the FD_TABLE structure. |
63 | * |
64 | * XXX: Not all currently supported. This allows for future |
65 | * functionality. |
66 | */ |
67 | typedef enum { |
68 | FD_UNUSED, |
69 | FD_FILE_SYNC, |
70 | FD_FILE_ASYNC, |
71 | FD_SOCKET_SYNC, |
72 | FD_SOCKET_ASYNC, |
73 | FD_PIPE_SYNC, |
74 | FD_PIPE_ASYNC |
75 | } FILE_TYPE; |
76 | |
77 | typedef union { |
78 | HANDLE fileHandle; |
79 | SOCKET sock; |
80 | unsigned int value; |
81 | } DESCRIPTOR; |
82 | |
6ad90ad2 |
83 | /* |
0198fd3c |
84 | * Structure used to map file handle and socket handle |
85 | * values into values that can be used to create unix-like |
86 | * select bitmaps, read/write for both sockets/files. |
87 | */ |
88 | struct FD_TABLE { |
89 | DESCRIPTOR fid; |
90 | FILE_TYPE type; |
91 | char *path; |
92 | DWORD Errno; |
93 | unsigned long instance; |
94 | int status; |
95 | int offset; /* only valid for async file writes */ |
96 | LPDWORD offsetHighPtr; /* pointers to offset high and low words */ |
97 | LPDWORD offsetLowPtr; /* only valid for async file writes (logs) */ |
98 | HANDLE hMapMutex; /* mutex handle for multi-proc offset update */ |
99 | LPVOID ovList; /* List of associated OVERLAPPED_REQUESTs */ |
100 | }; |
101 | |
364045ff |
102 | /* |
103 | * XXX Note there is no dyanmic sizing of this table, so if the |
104 | * number of open file descriptors exceeds WIN32_OPEN_MAX the |
105 | * app will blow up. |
106 | */ |
0198fd3c |
107 | static struct FD_TABLE fdTable[WIN32_OPEN_MAX]; |
108 | |
73389ec2 |
109 | static CRITICAL_SECTION fdTableCritical; |
110 | |
0198fd3c |
111 | struct OVERLAPPED_REQUEST { |
112 | OVERLAPPED overlapped; |
113 | unsigned long instance; /* file instance (won't match after a close) */ |
114 | OS_AsyncProc procPtr; /* callback routine */ |
115 | ClientData clientData; /* callback argument */ |
116 | ClientData clientData1; /* additional clientData */ |
117 | }; |
118 | typedef struct OVERLAPPED_REQUEST *POVERLAPPED_REQUEST; |
119 | |
120 | static const char *bindPathPrefix = "\\\\.\\pipe\\FastCGI\\"; |
121 | |
a2252853 |
122 | static FILE_TYPE listenType = FD_UNUSED; |
87abe107 |
123 | |
124 | // XXX This should be a DESCRIPTOR |
0198fd3c |
125 | static HANDLE hListen = INVALID_HANDLE_VALUE; |
87abe107 |
126 | |
127 | static OVERLAPPED listenOverlapped; |
128 | static BOOLEAN libInitialized = FALSE; |
0198fd3c |
129 | |
0198fd3c |
130 | /* |
131 | *-------------------------------------------------------------- |
132 | * |
133 | * Win32NewDescriptor -- |
134 | * |
135 | * Set up for I/O descriptor masquerading. |
136 | * |
137 | * Results: |
138 | * Returns "fake id" which masquerades as a UNIX-style "small |
139 | * non-negative integer" file/socket descriptor. |
140 | * Win32_* routine below will "do the right thing" based on the |
141 | * descriptor's actual type. -1 indicates failure. |
142 | * |
143 | * Side effects: |
144 | * Entry in fdTable is reserved to represent the socket/file. |
145 | * |
146 | *-------------------------------------------------------------- |
147 | */ |
148 | static int Win32NewDescriptor(FILE_TYPE type, int fd, int desiredFd) |
149 | { |
73389ec2 |
150 | int index = -1; |
151 | |
152 | EnterCriticalSection(&fdTableCritical); |
0198fd3c |
153 | |
154 | /* |
73389ec2 |
155 | * If desiredFd is set, try to get this entry (this is used for |
156 | * mapping stdio handles). Otherwise try to get the fd entry. |
157 | * If this is not available, find a the first empty slot. . |
0198fd3c |
158 | */ |
87abe107 |
159 | if (desiredFd >= 0 && desiredFd < WIN32_OPEN_MAX) |
160 | { |
73389ec2 |
161 | if (fdTable[desiredFd].type == FD_UNUSED) |
87abe107 |
162 | { |
73389ec2 |
163 | index = desiredFd; |
87abe107 |
164 | } |
0198fd3c |
165 | } |
26c9b575 |
166 | else if (fd > 0) |
87abe107 |
167 | { |
26c9b575 |
168 | if (fd < WIN32_OPEN_MAX && fdTable[fd].type == FD_UNUSED) |
87abe107 |
169 | { |
26c9b575 |
170 | index = fd; |
171 | } |
172 | else |
173 | { |
174 | int i; |
73389ec2 |
175 | |
26c9b575 |
176 | for (i = 1; i < WIN32_OPEN_MAX; ++i) |
177 | { |
178 | if (fdTable[i].type == FD_UNUSED) |
73389ec2 |
179 | { |
26c9b575 |
180 | index = i; |
181 | break; |
73389ec2 |
182 | } |
87abe107 |
183 | } |
184 | } |
0198fd3c |
185 | } |
73389ec2 |
186 | |
187 | if (index != -1) |
188 | { |
189 | fdTable[index].fid.value = fd; |
190 | fdTable[index].type = type; |
191 | fdTable[index].path = NULL; |
192 | fdTable[index].Errno = NO_ERROR; |
193 | fdTable[index].status = 0; |
194 | fdTable[index].offset = -1; |
195 | fdTable[index].offsetHighPtr = fdTable[index].offsetLowPtr = NULL; |
196 | fdTable[index].hMapMutex = NULL; |
197 | fdTable[index].ovList = NULL; |
198 | } |
0198fd3c |
199 | |
73389ec2 |
200 | LeaveCriticalSection(&fdTableCritical); |
0198fd3c |
201 | return index; |
202 | } |
62e100c7 |
203 | |
0198fd3c |
204 | /* |
205 | *-------------------------------------------------------------- |
206 | * |
207 | * StdinThread-- |
208 | * |
209 | * This thread performs I/O on stadard input. It is needed |
210 | * because you can't guarantee that all applications will |
211 | * create standard input with sufficient access to perform |
212 | * asynchronous I/O. Since we don't want to block the app |
6ad90ad2 |
213 | * reading from stdin we make it look like it's using I/O |
0198fd3c |
214 | * completion ports to perform async I/O. |
215 | * |
216 | * Results: |
217 | * Data is read from stdin and posted to the io completion |
218 | * port. |
219 | * |
220 | * Side effects: |
221 | * None. |
222 | * |
223 | *-------------------------------------------------------------- |
224 | */ |
225 | static void StdinThread(LPDWORD startup){ |
226 | |
227 | int doIo = TRUE; |
bf00339b |
228 | unsigned long fd; |
229 | unsigned long bytesRead; |
0198fd3c |
230 | POVERLAPPED_REQUEST pOv; |
6ad90ad2 |
231 | |
bf00339b |
232 | // Touch the arg to prevent warning |
233 | startup = NULL; |
234 | |
0198fd3c |
235 | while(doIo) { |
236 | /* |
237 | * Block until a request to read from stdin comes in or a |
238 | * request to terminate the thread arrives (fd = -1). |
239 | */ |
240 | if (!GetQueuedCompletionStatus(hStdinCompPort, &bytesRead, &fd, |
241 | (LPOVERLAPPED *)&pOv, (DWORD)-1) && !pOv) { |
242 | doIo = 0; |
243 | break; |
244 | } |
6ad90ad2 |
245 | |
0198fd3c |
246 | ASSERT((fd == STDIN_FILENO) || (fd == -1)); |
247 | if(fd == -1) { |
248 | doIo = 0; |
249 | break; |
250 | } |
251 | ASSERT(pOv->clientData1 != NULL); |
252 | |
253 | if(ReadFile(stdioHandles[STDIN_FILENO], pOv->clientData1, bytesRead, |
254 | &bytesRead, NULL)) { |
6ad90ad2 |
255 | PostQueuedCompletionStatus(hIoCompPort, bytesRead, |
0198fd3c |
256 | STDIN_FILENO, (LPOVERLAPPED)pOv); |
257 | } else { |
258 | doIo = 0; |
259 | break; |
260 | } |
261 | } |
262 | |
263 | ExitThread(0); |
264 | } |
265 | |
2e7fb6c1 |
266 | void OS_ShutdownPending(void) |
267 | { |
268 | shutdownPending = TRUE; |
269 | } |
270 | |
271 | /* XXX Need a shutdown now event */ |
87abe107 |
272 | static DWORD WINAPI ShutdownRequestThread(LPVOID arg) |
273 | { |
274 | HANDLE shutdownEvent = (HANDLE) arg; |
275 | |
276 | if (WaitForSingleObject(shutdownEvent, INFINITE) == WAIT_FAILED) |
277 | { |
278 | // Assuming it will happen again, all we can do is exit the thread |
bf00339b |
279 | return 1; |
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. |
291 | return 0; |
292 | } |
293 | } |
294 | |
0198fd3c |
295 | /* |
296 | *-------------------------------------------------------------- |
297 | * |
298 | * OS_LibInit -- |
299 | * |
300 | * Set up the OS library for use. |
301 | * |
302 | * Results: |
303 | * Returns 0 if success, -1 if not. |
304 | * |
305 | * Side effects: |
306 | * Sockets initialized, pseudo file descriptors setup, etc. |
307 | * |
308 | *-------------------------------------------------------------- |
309 | */ |
310 | int OS_LibInit(int stdioFds[3]) |
311 | { |
312 | WORD wVersion; |
313 | WSADATA wsaData; |
314 | int err; |
315 | int fakeFd; |
0198fd3c |
316 | DWORD threadId; |
317 | char *cLenPtr = NULL; |
87abe107 |
318 | char *val = NULL; |
319 | |
0198fd3c |
320 | if(libInitialized) |
321 | return 0; |
322 | |
73389ec2 |
323 | InitializeCriticalSection(&fdTableCritical); |
324 | |
0198fd3c |
325 | /* |
326 | * Initialize windows sockets library. |
327 | */ |
87abe107 |
328 | wVersion = MAKEWORD(2,0); |
0198fd3c |
329 | err = WSAStartup( wVersion, &wsaData ); |
330 | if (err) { |
331 | fprintf(stderr, "Error starting Windows Sockets. Error: %d", |
332 | WSAGetLastError()); |
333 | exit(111); |
334 | } |
335 | |
336 | /* |
337 | * Create the I/O completion port to be used for our I/O queue. |
338 | */ |
339 | if (hIoCompPort == INVALID_HANDLE_VALUE) { |
340 | hIoCompPort = CreateIoCompletionPort (INVALID_HANDLE_VALUE, NULL, |
341 | 0, 1); |
342 | if(hIoCompPort == INVALID_HANDLE_VALUE) { |
343 | printf("<H2>OS_LibInit Failed CreateIoCompletionPort! ERROR: %d</H2>\r\n\r\n", |
344 | GetLastError()); |
345 | return -1; |
346 | } |
347 | } |
348 | |
349 | /* |
87abe107 |
350 | * If a shutdown event is in the env, save it (I don't see any to |
351 | * remove it from the environment out from under the application). |
352 | * Spawn a thread to wait on the shutdown request. |
353 | */ |
354 | val = getenv(SHUTDOWN_EVENT_NAME); |
355 | if (val != NULL) |
356 | { |
357 | HANDLE shutdownEvent = (HANDLE) atoi(val); |
358 | |
87abe107 |
359 | if (! CreateThread(NULL, 0, ShutdownRequestThread, |
360 | shutdownEvent, 0, NULL)) |
361 | { |
362 | return -1; |
363 | } |
364 | } |
365 | |
366 | /* |
367 | * If an accept mutex is in the env, save it and remove it. |
368 | */ |
369 | val = getenv(MUTEX_VARNAME); |
370 | if (val != NULL) |
371 | { |
372 | acceptMutex = (HANDLE) atoi(val); |
373 | } |
374 | |
375 | |
376 | /* |
0198fd3c |
377 | * Determine if this library is being used to listen for FastCGI |
378 | * connections. This is communicated by STDIN containing a |
379 | * valid handle to a listener object. In this case, both the |
380 | * "stdout" and "stderr" handles will be INVALID (ie. closed) by |
381 | * the starting process. |
382 | * |
383 | * The trick is determining if this is a pipe or a socket... |
384 | * |
385 | * XXX: Add the async accept test to determine socket or handle to a |
386 | * pipe!!! |
387 | */ |
388 | if((GetStdHandle(STD_OUTPUT_HANDLE) == INVALID_HANDLE_VALUE) && |
389 | (GetStdHandle(STD_ERROR_HANDLE) == INVALID_HANDLE_VALUE) && |
87abe107 |
390 | (GetStdHandle(STD_INPUT_HANDLE) != INVALID_HANDLE_VALUE) ) |
391 | { |
392 | DWORD pipeMode = PIPE_READMODE_BYTE | PIPE_WAIT; |
393 | HANDLE oldStdIn = GetStdHandle(STD_INPUT_HANDLE); |
394 | |
395 | // Move the handle to a "low" number |
396 | if (! DuplicateHandle(GetCurrentProcess(), oldStdIn, |
397 | GetCurrentProcess(), &hListen, |
398 | 0, TRUE, DUPLICATE_SAME_ACCESS)) |
399 | { |
400 | return -1; |
401 | } |
0198fd3c |
402 | |
87abe107 |
403 | if (! SetStdHandle(STD_INPUT_HANDLE, hListen)) |
404 | { |
405 | return -1; |
406 | } |
407 | |
408 | CloseHandle(oldStdIn); |
0198fd3c |
409 | |
410 | /* |
411 | * Set the pipe handle state so that it operates in wait mode. |
412 | * |
413 | * NOTE: The listenFd is not mapped to a pseudo file descriptor |
414 | * as all work done on it is contained to the OS library. |
415 | * |
416 | * XXX: Initial assumption is that SetNamedPipeHandleState will |
417 | * fail if this is an IP socket... |
418 | */ |
87abe107 |
419 | if (SetNamedPipeHandleState(hListen, &pipeMode, NULL, NULL)) |
420 | { |
0198fd3c |
421 | listenType = FD_PIPE_SYNC; |
87abe107 |
422 | listenOverlapped.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL); |
423 | } |
424 | else |
425 | { |
0198fd3c |
426 | listenType = FD_SOCKET_SYNC; |
427 | } |
428 | } |
429 | |
430 | /* |
431 | * If there are no stdioFds passed in, we're done. |
432 | */ |
433 | if(stdioFds == NULL) { |
434 | libInitialized = 1; |
435 | return 0; |
436 | } |
6ad90ad2 |
437 | |
0198fd3c |
438 | /* |
439 | * Setup standard input asynchronous I/O. There is actually a separate |
440 | * thread spawned for this purpose. The reason for this is that some |
441 | * web servers use anonymous pipes for the connection between itself |
442 | * and a CGI application. Anonymous pipes can't perform asynchronous |
443 | * I/O or use I/O completion ports. Therefore in order to present a |
444 | * consistent I/O dispatch model to an application we emulate I/O |
445 | * completion port behavior by having the standard input thread posting |
446 | * messages to the hIoCompPort which look like a complete overlapped |
447 | * I/O structure. This keeps the event dispatching simple from the |
448 | * application perspective. |
449 | */ |
450 | stdioHandles[STDIN_FILENO] = GetStdHandle(STD_INPUT_HANDLE); |
451 | |
452 | if(!SetHandleInformation(stdioHandles[STDIN_FILENO], |
453 | HANDLE_FLAG_INHERIT, 0)) { |
454 | /* |
455 | * XXX: Causes error when run from command line. Check KB |
456 | err = GetLastError(); |
457 | DebugBreak(); |
458 | exit(99); |
459 | */ |
460 | } |
461 | |
462 | if ((fakeFd = Win32NewDescriptor(FD_PIPE_SYNC, |
463 | (int)stdioHandles[STDIN_FILENO], |
464 | STDIN_FILENO)) == -1) { |
465 | return -1; |
466 | } else { |
467 | /* |
468 | * Set stdin equal to our pseudo FD and create the I/O completion |
469 | * port to be used for async I/O. |
470 | */ |
471 | stdioFds[STDIN_FILENO] = fakeFd; |
472 | } |
473 | |
474 | /* |
475 | * Create the I/O completion port to be used for communicating with |
476 | * the thread doing I/O on standard in. This port will carry read |
477 | * and possibly thread termination requests to the StdinThread. |
478 | */ |
479 | if (hStdinCompPort == INVALID_HANDLE_VALUE) { |
480 | hStdinCompPort = CreateIoCompletionPort (INVALID_HANDLE_VALUE, NULL, |
481 | 0, 1); |
482 | if(hStdinCompPort == INVALID_HANDLE_VALUE) { |
483 | printf("<H2>OS_LibInit Failed CreateIoCompletionPort: STDIN! ERROR: %d</H2>\r\n\r\n", |
484 | GetLastError()); |
485 | return -1; |
486 | } |
487 | } |
488 | |
6ad90ad2 |
489 | /* |
0198fd3c |
490 | * Create the thread that will read stdin if the CONTENT_LENGTH |
491 | * is non-zero. |
492 | */ |
493 | if((cLenPtr = getenv("CONTENT_LENGTH")) != NULL && |
494 | atoi(cLenPtr) > 0) { |
495 | hStdinThread = CreateThread(NULL, 8192, |
496 | (LPTHREAD_START_ROUTINE)&StdinThread, |
497 | NULL, 0, &threadId); |
498 | if (hStdinThread == NULL) { |
499 | printf("<H2>OS_LibInit Failed to create STDIN thread! ERROR: %d</H2>\r\n\r\n", |
500 | GetLastError()); |
501 | return -1; |
502 | } |
503 | } |
504 | |
505 | /* |
506 | * STDOUT will be used synchronously. |
507 | * |
508 | * XXX: May want to convert this so that it could be used for OVERLAPPED |
509 | * I/O later. If so, model it after the Stdin I/O as stdout is |
510 | * also incapable of async I/O on some servers. |
511 | */ |
512 | stdioHandles[STDOUT_FILENO] = GetStdHandle(STD_OUTPUT_HANDLE); |
513 | if(!SetHandleInformation(stdioHandles[STDOUT_FILENO], |
514 | HANDLE_FLAG_INHERIT, FALSE)) { |
515 | DebugBreak(); |
516 | exit(99); |
517 | } |
518 | |
519 | if ((fakeFd = Win32NewDescriptor(FD_PIPE_SYNC, |
520 | (int)stdioHandles[STDOUT_FILENO], |
521 | STDOUT_FILENO)) == -1) { |
522 | return -1; |
523 | } else { |
524 | /* |
525 | * Set stdout equal to our pseudo FD |
526 | */ |
527 | stdioFds[STDOUT_FILENO] = fakeFd; |
528 | } |
529 | |
530 | stdioHandles[STDERR_FILENO] = GetStdHandle(STD_ERROR_HANDLE); |
531 | if(!SetHandleInformation(stdioHandles[STDERR_FILENO], |
532 | HANDLE_FLAG_INHERIT, FALSE)) { |
533 | DebugBreak(); |
534 | exit(99); |
535 | } |
536 | if ((fakeFd = Win32NewDescriptor(FD_PIPE_SYNC, |
537 | (int)stdioHandles[STDERR_FILENO], |
538 | STDERR_FILENO)) == -1) { |
539 | return -1; |
540 | } else { |
541 | /* |
542 | * Set stderr equal to our pseudo FD |
543 | */ |
544 | stdioFds[STDERR_FILENO] = fakeFd; |
545 | } |
546 | |
547 | return 0; |
548 | } |
549 | |
0198fd3c |
550 | /* |
551 | *-------------------------------------------------------------- |
552 | * |
553 | * OS_LibShutdown -- |
554 | * |
555 | * Shutdown the OS library. |
556 | * |
557 | * Results: |
558 | * None. |
559 | * |
560 | * Side effects: |
561 | * Memory freed, handles closed. |
562 | * |
563 | *-------------------------------------------------------------- |
564 | */ |
565 | void OS_LibShutdown() |
566 | { |
567 | |
9bbd33f9 |
568 | if (hIoCompPort != INVALID_HANDLE_VALUE) |
569 | { |
0198fd3c |
570 | CloseHandle(hIoCompPort); |
9bbd33f9 |
571 | hIoCompPort = INVALID_HANDLE_VALUE; |
0198fd3c |
572 | } |
573 | |
9bbd33f9 |
574 | if (hStdinCompPort != INVALID_HANDLE_VALUE) |
575 | { |
0198fd3c |
576 | CloseHandle(hStdinCompPort); |
9bbd33f9 |
577 | hStdinCompPort = INVALID_HANDLE_VALUE; |
0198fd3c |
578 | } |
579 | |
9bbd33f9 |
580 | if (acceptMutex != INVALID_HANDLE_VALUE) |
581 | { |
582 | ReleaseMutex(acceptMutex); |
583 | } |
584 | |
585 | DisconnectNamedPipe(hListen); |
586 | |
587 | CancelIo(hListen); |
588 | |
589 | |
0198fd3c |
590 | WSACleanup(); |
0198fd3c |
591 | } |
592 | |
0198fd3c |
593 | /* |
594 | *-------------------------------------------------------------- |
595 | * |
596 | * Win32FreeDescriptor -- |
597 | * |
598 | * Free I/O descriptor entry in fdTable. |
599 | * |
600 | * Results: |
601 | * Frees I/O descriptor entry in fdTable. |
602 | * |
603 | * Side effects: |
604 | * None. |
605 | * |
606 | *-------------------------------------------------------------- |
607 | */ |
608 | static void Win32FreeDescriptor(int fd) |
609 | { |
610 | /* Catch it if fd is a bogus value */ |
611 | ASSERT((fd >= 0) && (fd < WIN32_OPEN_MAX)); |
0198fd3c |
612 | |
73389ec2 |
613 | EnterCriticalSection(&fdTableCritical); |
614 | |
615 | if (fdTable[fd].type != FD_UNUSED) |
616 | { |
617 | switch (fdTable[fd].type) |
618 | { |
619 | case FD_FILE_SYNC: |
620 | case FD_FILE_ASYNC: |
621 | |
622 | /* Free file path string */ |
623 | ASSERT(fdTable[fd].path != NULL); |
624 | free(fdTable[fd].path); |
625 | fdTable[fd].path = NULL; |
626 | break; |
627 | |
628 | default: |
629 | break; |
630 | } |
631 | |
632 | ASSERT(fdTable[fd].path == NULL); |
633 | |
634 | fdTable[fd].type = FD_UNUSED; |
635 | fdTable[fd].path = NULL; |
636 | fdTable[fd].Errno = NO_ERROR; |
637 | fdTable[fd].offsetHighPtr = fdTable[fd].offsetLowPtr = NULL; |
638 | |
639 | if (fdTable[fd].hMapMutex != NULL) |
640 | { |
641 | CloseHandle(fdTable[fd].hMapMutex); |
642 | fdTable[fd].hMapMutex = NULL; |
643 | } |
0198fd3c |
644 | } |
73389ec2 |
645 | |
646 | LeaveCriticalSection(&fdTableCritical); |
647 | |
0198fd3c |
648 | return; |
649 | } |
650 | |
a6b4e4d4 |
651 | static short getPort(const char * bindPath) |
652 | { |
653 | short port = 0; |
654 | char * p = strchr(bindPath, ':'); |
655 | |
656 | if (p && *++p) |
657 | { |
658 | char buf[6]; |
659 | |
660 | strncpy(buf, p, 6); |
661 | buf[5] = '\0'; |
662 | |
bf00339b |
663 | port = (short) atoi(buf); |
a6b4e4d4 |
664 | } |
665 | |
666 | return port; |
667 | } |
668 | |
0198fd3c |
669 | /* |
670 | * OS_CreateLocalIpcFd -- |
671 | * |
672 | * This procedure is responsible for creating the listener pipe |
673 | * on Windows NT for local process communication. It will create a |
674 | * named pipe and return a file descriptor to it to the caller. |
675 | * |
676 | * Results: |
677 | * Listener pipe created. This call returns either a valid |
678 | * pseudo file descriptor or -1 on error. |
679 | * |
680 | * Side effects: |
681 | * Listener pipe and IPC address are stored in the FCGI info |
682 | * structure. |
683 | * 'errno' will set on errors (-1 is returned). |
684 | * |
685 | *---------------------------------------------------------------------- |
686 | */ |
0b7c9662 |
687 | int OS_CreateLocalIpcFd(const char *bindPath, int backlog) |
0198fd3c |
688 | { |
a6b4e4d4 |
689 | int pseudoFd = -1; |
690 | short port = getPort(bindPath); |
87abe107 |
691 | HANDLE mutex = CreateMutex(NULL, FALSE, NULL); |
a6b4e4d4 |
692 | char * mutexEnvString; |
6ad90ad2 |
693 | |
87abe107 |
694 | if (mutex == NULL) |
695 | { |
b24cecc1 |
696 | return -2; |
87abe107 |
697 | } |
698 | |
699 | if (! SetHandleInformation(mutex, HANDLE_FLAG_INHERIT, TRUE)) |
700 | { |
b24cecc1 |
701 | return -3; |
87abe107 |
702 | } |
703 | |
704 | // This is a nail for listening to more than one port.. |
705 | // This should really be handled by the caller. |
87abe107 |
706 | |
a6b4e4d4 |
707 | mutexEnvString = malloc(strlen(MUTEX_VARNAME) + 7); |
708 | sprintf(mutexEnvString, MUTEX_VARNAME "=%d", (int) mutex); |
709 | putenv(mutexEnvString); |
87abe107 |
710 | |
a6b4e4d4 |
711 | // There's nothing to be gained (at the moment) by a shutdown Event |
87abe107 |
712 | |
a6b4e4d4 |
713 | if (port && *bindPath != ':' && strncmp(bindPath, LOCALHOST, strlen(LOCALHOST))) |
714 | { |
715 | fprintf(stderr, "To start a service on a TCP port can not " |
716 | "specify a host name.\n" |
717 | "You should either use \"localhost:<port>\" or " |
718 | " just use \":<port>.\"\n"); |
719 | exit(1); |
0198fd3c |
720 | } |
a6b4e4d4 |
721 | |
722 | listenType = (port) ? FD_SOCKET_SYNC : FD_PIPE_ASYNC; |
87abe107 |
723 | |
a6b4e4d4 |
724 | if (port) |
725 | { |
726 | SOCKET listenSock; |
727 | struct sockaddr_in sockAddr; |
728 | int sockLen = sizeof(sockAddr); |
729 | |
730 | memset(&sockAddr, 0, sizeof(sockAddr)); |
731 | sockAddr.sin_family = AF_INET; |
732 | sockAddr.sin_addr.s_addr = htonl(INADDR_ANY); |
733 | sockAddr.sin_port = htons(port); |
0198fd3c |
734 | |
a6b4e4d4 |
735 | listenSock = socket(AF_INET, SOCK_STREAM, 0); |
736 | if (listenSock == INVALID_SOCKET) |
737 | { |
b24cecc1 |
738 | return -4; |
a6b4e4d4 |
739 | } |
0198fd3c |
740 | |
b24cecc1 |
741 | if (bind(listenSock, (struct sockaddr *) &sockAddr, sockLen) ) |
a6b4e4d4 |
742 | { |
b24cecc1 |
743 | return -12; |
744 | } |
745 | |
746 | if (listen(listenSock, backlog)) |
747 | { |
748 | return -5; |
a6b4e4d4 |
749 | } |
750 | |
751 | pseudoFd = Win32NewDescriptor(listenType, listenSock, -1); |
752 | |
753 | if (pseudoFd == -1) |
754 | { |
755 | closesocket(listenSock); |
b24cecc1 |
756 | return -6; |
a6b4e4d4 |
757 | } |
758 | |
759 | hListen = (HANDLE) listenSock; |
0198fd3c |
760 | } |
a6b4e4d4 |
761 | else |
762 | { |
763 | HANDLE hListenPipe = INVALID_HANDLE_VALUE; |
764 | char *pipePath = malloc(strlen(bindPathPrefix) + strlen(bindPath) + 1); |
765 | |
766 | if (! pipePath) |
767 | { |
b24cecc1 |
768 | return -7; |
a6b4e4d4 |
769 | } |
0198fd3c |
770 | |
a6b4e4d4 |
771 | strcpy(pipePath, bindPathPrefix); |
772 | strcat(pipePath, bindPath); |
6ad90ad2 |
773 | |
a6b4e4d4 |
774 | hListenPipe = CreateNamedPipe(pipePath, |
775 | PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED, |
776 | PIPE_TYPE_BYTE | PIPE_WAIT | PIPE_READMODE_BYTE, |
777 | PIPE_UNLIMITED_INSTANCES, |
778 | 4096, 4096, 0, NULL); |
779 | |
780 | free(pipePath); |
6ad90ad2 |
781 | |
a6b4e4d4 |
782 | if (hListenPipe == INVALID_HANDLE_VALUE) |
783 | { |
b24cecc1 |
784 | return -8; |
a6b4e4d4 |
785 | } |
786 | |
787 | if (! SetHandleInformation(hListenPipe, HANDLE_FLAG_INHERIT, TRUE)) |
788 | { |
b24cecc1 |
789 | return -9; |
a6b4e4d4 |
790 | } |
791 | |
792 | pseudoFd = Win32NewDescriptor(listenType, (int) hListenPipe, -1); |
793 | |
794 | if (pseudoFd == -1) |
795 | { |
796 | CloseHandle(hListenPipe); |
b24cecc1 |
797 | return -10; |
a6b4e4d4 |
798 | } |
799 | |
800 | hListen = (HANDLE) hListenPipe; |
0198fd3c |
801 | } |
802 | |
a6b4e4d4 |
803 | return pseudoFd; |
0198fd3c |
804 | } |
805 | |
0198fd3c |
806 | /* |
807 | *---------------------------------------------------------------------- |
808 | * |
809 | * OS_FcgiConnect -- |
810 | * |
811 | * Create the pipe pathname connect to the remote application if |
812 | * possible. |
813 | * |
814 | * Results: |
815 | * -1 if fail or a valid handle if connection succeeds. |
816 | * |
817 | * Side effects: |
818 | * Remote connection established. |
819 | * |
820 | *---------------------------------------------------------------------- |
821 | */ |
822 | int OS_FcgiConnect(char *bindPath) |
823 | { |
a6b4e4d4 |
824 | short port = getPort(bindPath); |
825 | int pseudoFd = -1; |
87abe107 |
826 | |
a6b4e4d4 |
827 | if (port) |
828 | { |
829 | struct hostent *hp; |
830 | char *host = NULL; |
831 | struct sockaddr_in sockAddr; |
832 | int sockLen = sizeof(sockAddr); |
833 | SOCKET sock; |
834 | |
835 | if (*bindPath != ':') |
836 | { |
837 | char * p = strchr(bindPath, ':'); |
838 | int len = p - bindPath + 1; |
6ad90ad2 |
839 | |
a6b4e4d4 |
840 | host = malloc(len); |
841 | strncpy(host, bindPath, len); |
842 | host[len] = '\0'; |
843 | } |
844 | |
845 | hp = gethostbyname(host ? host : LOCALHOST); |
846 | |
847 | if (host) |
848 | { |
849 | free(host); |
850 | } |
851 | |
852 | if (hp == NULL) |
853 | { |
854 | fprintf(stderr, "Unknown host: %s\n", bindPath); |
855 | return -1; |
856 | } |
857 | |
858 | memset(&sockAddr, 0, sizeof(sockAddr)); |
859 | sockAddr.sin_family = AF_INET; |
860 | memcpy(&sockAddr.sin_addr, hp->h_addr, hp->h_length); |
861 | sockAddr.sin_port = htons(port); |
862 | |
863 | sock = socket(AF_INET, SOCK_STREAM, 0); |
864 | if (sock == INVALID_SOCKET) |
865 | { |
866 | return -1; |
867 | } |
868 | |
869 | if (! connect(sock, (struct sockaddr *) &sockAddr, sockLen)) |
870 | { |
871 | closesocket(sock); |
872 | return -1; |
873 | } |
874 | |
875 | pseudoFd = Win32NewDescriptor(FD_SOCKET_SYNC, sock, -1); |
876 | if (pseudoFd == -1) |
877 | { |
878 | closesocket(sock); |
879 | return -1; |
880 | } |
0198fd3c |
881 | } |
a6b4e4d4 |
882 | else |
883 | { |
884 | char *pipePath = malloc(strlen(bindPathPrefix) + strlen(bindPath) + 1); |
885 | HANDLE hPipe; |
886 | |
887 | if (! pipePath) |
888 | { |
889 | return -1; |
890 | } |
0198fd3c |
891 | |
a6b4e4d4 |
892 | strcpy(pipePath, bindPathPrefix); |
893 | strcat(pipePath, bindPath); |
894 | |
895 | hPipe = CreateFile(pipePath, |
896 | GENERIC_WRITE | GENERIC_READ, |
897 | FILE_SHARE_READ | FILE_SHARE_WRITE, |
898 | NULL, |
899 | OPEN_EXISTING, |
900 | FILE_FLAG_OVERLAPPED, |
901 | NULL); |
902 | |
903 | free(pipePath); |
904 | |
905 | if( hPipe == INVALID_HANDLE_VALUE) |
906 | { |
907 | return -1; |
908 | } |
909 | |
910 | pseudoFd = Win32NewDescriptor(FD_PIPE_ASYNC, (int) hPipe, -1); |
911 | |
912 | if (pseudoFd == -1) |
913 | { |
914 | CloseHandle(hPipe); |
915 | return -1; |
916 | } |
917 | |
0198fd3c |
918 | /* |
a6b4e4d4 |
919 | * Set stdin equal to our pseudo FD and create the I/O completion |
920 | * port to be used for async I/O. |
921 | */ |
922 | if (! CreateIoCompletionPort(hPipe, hIoCompPort, pseudoFd, 1)) |
923 | { |
924 | Win32FreeDescriptor(pseudoFd); |
925 | CloseHandle(hPipe); |
926 | return -1; |
927 | } |
0198fd3c |
928 | } |
a6b4e4d4 |
929 | |
930 | return pseudoFd; |
0198fd3c |
931 | } |
6ad90ad2 |
932 | |
0198fd3c |
933 | /* |
934 | *-------------------------------------------------------------- |
935 | * |
936 | * OS_Read -- |
937 | * |
938 | * Pass through to the appropriate NT read function. |
939 | * |
940 | * Results: |
941 | * Returns number of byes read. Mimics unix read:. |
942 | * n bytes read, 0 or -1 failure: errno contains actual error |
943 | * |
944 | * Side effects: |
945 | * None. |
946 | * |
947 | *-------------------------------------------------------------- |
948 | */ |
949 | int OS_Read(int fd, char * buf, size_t len) |
950 | { |
951 | DWORD bytesRead; |
225369c3 |
952 | int ret = -1; |
0198fd3c |
953 | |
0198fd3c |
954 | ASSERT((fd >= 0) && (fd < WIN32_OPEN_MAX)); |
955 | |
2e7fb6c1 |
956 | if (shutdownNow) return -1; |
957 | |
225369c3 |
958 | switch (fdTable[fd].type) |
959 | { |
0198fd3c |
960 | case FD_FILE_SYNC: |
961 | case FD_FILE_ASYNC: |
962 | case FD_PIPE_SYNC: |
963 | case FD_PIPE_ASYNC: |
225369c3 |
964 | |
965 | if (ReadFile(fdTable[fd].fid.fileHandle, buf, len, &bytesRead, NULL)) |
966 | { |
967 | ret = bytesRead; |
968 | } |
969 | else |
970 | { |
971 | fdTable[fd].Errno = GetLastError(); |
0198fd3c |
972 | } |
225369c3 |
973 | |
974 | break; |
0198fd3c |
975 | |
976 | case FD_SOCKET_SYNC: |
977 | case FD_SOCKET_ASYNC: |
225369c3 |
978 | |
979 | ret = recv(fdTable[fd].fid.sock, buf, len, 0); |
980 | if (ret == SOCKET_ERROR) |
981 | { |
982 | fdTable[fd].Errno = WSAGetLastError(); |
983 | ret = -1; |
0198fd3c |
984 | } |
225369c3 |
985 | |
986 | break; |
987 | |
988 | default: |
989 | |
990 | ASSERT(0); |
0198fd3c |
991 | } |
225369c3 |
992 | |
993 | return ret; |
0198fd3c |
994 | } |
62e100c7 |
995 | |
0198fd3c |
996 | /* |
997 | *-------------------------------------------------------------- |
998 | * |
999 | * OS_Write -- |
1000 | * |
1001 | * Perform a synchronous OS write. |
1002 | * |
1003 | * Results: |
1004 | * Returns number of bytes written. Mimics unix write: |
1005 | * n bytes written, 0 or -1 failure (??? couldn't find man page). |
1006 | * |
1007 | * Side effects: |
1008 | * none. |
1009 | * |
1010 | *-------------------------------------------------------------- |
1011 | */ |
1012 | int OS_Write(int fd, char * buf, size_t len) |
1013 | { |
1014 | DWORD bytesWritten; |
225369c3 |
1015 | int ret = -1; |
0198fd3c |
1016 | |
225369c3 |
1017 | ASSERT(fd >= 0 && fd < WIN32_OPEN_MAX); |
0198fd3c |
1018 | |
2e7fb6c1 |
1019 | if (shutdownNow) return -1; |
1020 | |
225369c3 |
1021 | switch (fdTable[fd].type) |
1022 | { |
0198fd3c |
1023 | case FD_FILE_SYNC: |
1024 | case FD_FILE_ASYNC: |
1025 | case FD_PIPE_SYNC: |
1026 | case FD_PIPE_ASYNC: |
225369c3 |
1027 | |
1028 | if (WriteFile(fdTable[fd].fid.fileHandle, buf, len, &bytesWritten, NULL)) |
1029 | { |
1030 | ret = bytesWritten; |
1031 | } |
1032 | else |
1033 | { |
1034 | fdTable[fd].Errno = GetLastError(); |
0198fd3c |
1035 | } |
225369c3 |
1036 | |
1037 | break; |
1038 | |
0198fd3c |
1039 | case FD_SOCKET_SYNC: |
1040 | case FD_SOCKET_ASYNC: |
225369c3 |
1041 | |
1042 | ret = send(fdTable[fd].fid.sock, buf, len, 0); |
1043 | if (ret == SOCKET_ERROR) |
1044 | { |
1045 | fdTable[fd].Errno = WSAGetLastError(); |
1046 | ret = -1; |
0198fd3c |
1047 | } |
225369c3 |
1048 | |
1049 | break; |
1050 | |
1051 | default: |
1052 | |
1053 | ASSERT(0); |
0198fd3c |
1054 | } |
225369c3 |
1055 | |
1056 | return ret; |
0198fd3c |
1057 | } |
1058 | |
0198fd3c |
1059 | /* |
1060 | *---------------------------------------------------------------------- |
1061 | * |
1062 | * OS_SpawnChild -- |
1063 | * |
1064 | * Spawns a new server listener process, and stores the information |
1065 | * relating to the child in the supplied record. A wait handler is |
1066 | * registered on the child's completion. This involves creating |
1067 | * a process on NT and preparing a command line with the required |
1068 | * state (currently a -childproc flag and the server socket to use |
1069 | * for accepting connections). |
1070 | * |
1071 | * Results: |
1072 | * 0 if success, -1 if error. |
1073 | * |
1074 | * Side effects: |
1075 | * Child process spawned. |
1076 | * |
1077 | *---------------------------------------------------------------------- |
1078 | */ |
1079 | int OS_SpawnChild(char *execPath, int listenFd) |
1080 | { |
1081 | STARTUPINFO StartupInfo; |
1082 | PROCESS_INFORMATION pInfo; |
1083 | BOOL success; |
1084 | |
1085 | memset((void *)&StartupInfo, 0, sizeof(STARTUPINFO)); |
1086 | StartupInfo.cb = sizeof (STARTUPINFO); |
1087 | StartupInfo.lpReserved = NULL; |
1088 | StartupInfo.lpReserved2 = NULL; |
1089 | StartupInfo.cbReserved2 = 0; |
1090 | StartupInfo.lpDesktop = NULL; |
1091 | |
1092 | /* |
1093 | * FastCGI on NT will set the listener pipe HANDLE in the stdin of |
1094 | * the new process. The fact that there is a stdin and NULL handles |
1095 | * for stdout and stderr tells the FastCGI process that this is a |
1096 | * FastCGI process and not a CGI process. |
1097 | */ |
1098 | StartupInfo.dwFlags = STARTF_USESTDHANDLES; |
1099 | /* |
1100 | * XXX: Do I have to dup the handle before spawning the process or is |
1101 | * it sufficient to use the handle as it's reference counted |
1102 | * by NT anyway? |
1103 | */ |
1104 | StartupInfo.hStdInput = fdTable[listenFd].fid.fileHandle; |
1105 | StartupInfo.hStdOutput = INVALID_HANDLE_VALUE; |
1106 | StartupInfo.hStdError = INVALID_HANDLE_VALUE; |
6ad90ad2 |
1107 | |
0198fd3c |
1108 | /* |
1109 | * Make the listener socket inheritable. |
1110 | */ |
1111 | success = SetHandleInformation(StartupInfo.hStdInput, HANDLE_FLAG_INHERIT, |
1112 | TRUE); |
1113 | if(!success) { |
1114 | exit(99); |
1115 | } |
1116 | |
1117 | /* |
1118 | * XXX: Might want to apply some specific security attributes to the |
1119 | * processes. |
1120 | */ |
1121 | success = CreateProcess(execPath, /* LPCSTR address of module name */ |
1122 | NULL, /* LPCSTR address of command line */ |
6ad90ad2 |
1123 | NULL, /* Process security attributes */ |
0198fd3c |
1124 | NULL, /* Thread security attributes */ |
1125 | TRUE, /* Inheritable Handes inherited. */ |
1126 | 0, /* DWORD creation flags */ |
1127 | NULL, /* Use parent environment block */ |
1128 | NULL, /* Address of current directory name */ |
1129 | &StartupInfo, /* Address of STARTUPINFO */ |
1130 | &pInfo); /* Address of PROCESS_INFORMATION */ |
1131 | if(success) { |
1132 | return 0; |
1133 | } else { |
1134 | return -1; |
1135 | } |
1136 | } |
1137 | |
0198fd3c |
1138 | /* |
1139 | *-------------------------------------------------------------- |
1140 | * |
1141 | * OS_AsyncReadStdin -- |
1142 | * |
1143 | * This initiates an asynchronous read on the standard |
1144 | * input handle. This handle is not guaranteed to be |
6ad90ad2 |
1145 | * capable of performing asynchronous I/O so we send a |
0198fd3c |
1146 | * message to the StdinThread to do the synchronous read. |
1147 | * |
1148 | * Results: |
1149 | * -1 if error, 0 otherwise. |
1150 | * |
1151 | * Side effects: |
1152 | * Asynchronous message is queued to the StdinThread and an |
1153 | * overlapped structure is allocated/initialized. |
1154 | * |
1155 | *-------------------------------------------------------------- |
1156 | */ |
6ad90ad2 |
1157 | int OS_AsyncReadStdin(void *buf, int len, OS_AsyncProc procPtr, |
0198fd3c |
1158 | ClientData clientData) |
1159 | { |
1160 | POVERLAPPED_REQUEST pOv; |
1161 | |
1162 | ASSERT(fdTable[STDIN_FILENO].type != FD_UNUSED); |
1163 | |
1164 | pOv = (POVERLAPPED_REQUEST)malloc(sizeof(struct OVERLAPPED_REQUEST)); |
1165 | ASSERT(pOv); |
1166 | memset((void *)pOv, 0, sizeof(struct OVERLAPPED_REQUEST)); |
1167 | pOv->clientData1 = (ClientData)buf; |
1168 | pOv->instance = fdTable[STDIN_FILENO].instance; |
1169 | pOv->procPtr = procPtr; |
1170 | pOv->clientData = clientData; |
1171 | |
1172 | PostQueuedCompletionStatus(hStdinCompPort, len, STDIN_FILENO, |
1173 | (LPOVERLAPPED)pOv); |
1174 | return 0; |
1175 | } |
1176 | |
0198fd3c |
1177 | /* |
1178 | *-------------------------------------------------------------- |
1179 | * |
1180 | * OS_AsyncRead -- |
1181 | * |
1182 | * This initiates an asynchronous read on the file |
1183 | * handle which may be a socket or named pipe. |
1184 | * |
1185 | * We also must save the ProcPtr and ClientData, so later |
1186 | * when the io completes, we know who to call. |
1187 | * |
1188 | * We don't look at any results here (the ReadFile may |
1189 | * return data if it is cached) but do all completion |
1190 | * processing in OS_Select when we get the io completion |
1191 | * port done notifications. Then we call the callback. |
1192 | * |
1193 | * Results: |
1194 | * -1 if error, 0 otherwise. |
1195 | * |
1196 | * Side effects: |
1197 | * Asynchronous I/O operation is queued for completion. |
1198 | * |
1199 | *-------------------------------------------------------------- |
1200 | */ |
1201 | int OS_AsyncRead(int fd, int offset, void *buf, int len, |
1202 | OS_AsyncProc procPtr, ClientData clientData) |
1203 | { |
1204 | DWORD bytesRead; |
1205 | POVERLAPPED_REQUEST pOv; |
1206 | |
1207 | /* |
1208 | * Catch any bogus fd values |
1209 | */ |
1210 | ASSERT((fd >= 0) && (fd < WIN32_OPEN_MAX)); |
1211 | /* |
1212 | * Confirm that this is an async fd |
1213 | */ |
1214 | ASSERT(fdTable[fd].type != FD_UNUSED); |
1215 | ASSERT(fdTable[fd].type != FD_FILE_SYNC); |
1216 | ASSERT(fdTable[fd].type != FD_PIPE_SYNC); |
1217 | ASSERT(fdTable[fd].type != FD_SOCKET_SYNC); |
1218 | |
1219 | pOv = (POVERLAPPED_REQUEST)malloc(sizeof(struct OVERLAPPED_REQUEST)); |
1220 | ASSERT(pOv); |
1221 | memset((void *)pOv, 0, sizeof(struct OVERLAPPED_REQUEST)); |
1222 | /* |
1223 | * Only file offsets should be non-zero, but make sure. |
1224 | */ |
1225 | if (fdTable[fd].type == FD_FILE_ASYNC) |
1226 | if (fdTable[fd].offset >= 0) |
1227 | pOv->overlapped.Offset = fdTable[fd].offset; |
1228 | else |
1229 | pOv->overlapped.Offset = offset; |
1230 | pOv->instance = fdTable[fd].instance; |
1231 | pOv->procPtr = procPtr; |
1232 | pOv->clientData = clientData; |
1233 | bytesRead = fd; |
1234 | /* |
1235 | * ReadFile returns: TRUE success, FALSE failure |
1236 | */ |
1237 | if (!ReadFile(fdTable[fd].fid.fileHandle, buf, len, &bytesRead, |
1238 | (LPOVERLAPPED)pOv)) { |
1239 | fdTable[fd].Errno = GetLastError(); |
1240 | if(fdTable[fd].Errno == ERROR_NO_DATA || |
1241 | fdTable[fd].Errno == ERROR_PIPE_NOT_CONNECTED) { |
1242 | PostQueuedCompletionStatus(hIoCompPort, 0, fd, (LPOVERLAPPED)pOv); |
1243 | return 0; |
1244 | } |
1245 | if(fdTable[fd].Errno != ERROR_IO_PENDING) { |
1246 | PostQueuedCompletionStatus(hIoCompPort, 0, fd, (LPOVERLAPPED)pOv); |
1247 | return -1; |
1248 | } |
1249 | fdTable[fd].Errno = 0; |
1250 | } |
1251 | return 0; |
1252 | } |
62e100c7 |
1253 | |
0198fd3c |
1254 | /* |
1255 | *-------------------------------------------------------------- |
1256 | * |
1257 | * OS_AsyncWrite -- |
1258 | * |
1259 | * This initiates an asynchronous write on the "fake" file |
1260 | * descriptor (which may be a file, socket, or named pipe). |
1261 | * We also must save the ProcPtr and ClientData, so later |
1262 | * when the io completes, we know who to call. |
1263 | * |
1264 | * We don't look at any results here (the WriteFile generally |
1265 | * completes immediately) but do all completion processing |
1266 | * in OS_DoIo when we get the io completion port done |
1267 | * notifications. Then we call the callback. |
1268 | * |
1269 | * Results: |
1270 | * -1 if error, 0 otherwise. |
1271 | * |
1272 | * Side effects: |
1273 | * Asynchronous I/O operation is queued for completion. |
1274 | * |
1275 | *-------------------------------------------------------------- |
1276 | */ |
6ad90ad2 |
1277 | int OS_AsyncWrite(int fd, int offset, void *buf, int len, |
0198fd3c |
1278 | OS_AsyncProc procPtr, ClientData clientData) |
1279 | { |
1280 | DWORD bytesWritten; |
1281 | POVERLAPPED_REQUEST pOv; |
1282 | |
1283 | /* |
1284 | * Catch any bogus fd values |
1285 | */ |
1286 | ASSERT((fd >= 0) && (fd < WIN32_OPEN_MAX)); |
1287 | /* |
1288 | * Confirm that this is an async fd |
1289 | */ |
1290 | ASSERT(fdTable[fd].type != FD_UNUSED); |
1291 | ASSERT(fdTable[fd].type != FD_FILE_SYNC); |
1292 | ASSERT(fdTable[fd].type != FD_PIPE_SYNC); |
1293 | ASSERT(fdTable[fd].type != FD_SOCKET_SYNC); |
1294 | |
1295 | pOv = (POVERLAPPED_REQUEST)malloc(sizeof(struct OVERLAPPED_REQUEST)); |
1296 | ASSERT(pOv); |
1297 | memset((void *)pOv, 0, sizeof(struct OVERLAPPED_REQUEST)); |
1298 | /* |
1299 | * Only file offsets should be non-zero, but make sure. |
1300 | */ |
1301 | if (fdTable[fd].type == FD_FILE_ASYNC) |
6ad90ad2 |
1302 | /* |
0198fd3c |
1303 | * Only file opened via OS_AsyncWrite with |
1304 | * O_APPEND will have an offset != -1. |
1305 | */ |
1306 | if (fdTable[fd].offset >= 0) |
6ad90ad2 |
1307 | /* |
0198fd3c |
1308 | * If the descriptor has a memory mapped file |
1309 | * handle, take the offsets from there. |
1310 | */ |
1311 | if (fdTable[fd].hMapMutex != NULL) { |
1312 | /* |
1313 | * Wait infinitely; this *should* not cause problems. |
6ad90ad2 |
1314 | */ |
0198fd3c |
1315 | WaitForSingleObject(fdTable[fd].hMapMutex, INFINITE); |
6ad90ad2 |
1316 | |
0198fd3c |
1317 | /* |
1318 | * Retrieve the shared offset values. |
1319 | */ |
1320 | pOv->overlapped.OffsetHigh = *(fdTable[fd].offsetHighPtr); |
1321 | pOv->overlapped.Offset = *(fdTable[fd].offsetLowPtr); |
6ad90ad2 |
1322 | |
0198fd3c |
1323 | /* |
1324 | * Update the shared offset values for the next write |
1325 | */ |
1326 | *(fdTable[fd].offsetHighPtr) += 0; /* XXX How do I handle overflow */ |
1327 | *(fdTable[fd].offsetLowPtr) += len; |
6ad90ad2 |
1328 | |
0198fd3c |
1329 | ReleaseMutex(fdTable[fd].hMapMutex); |
6ad90ad2 |
1330 | } else |
0198fd3c |
1331 | pOv->overlapped.Offset = fdTable[fd].offset; |
1332 | else |
1333 | pOv->overlapped.Offset = offset; |
1334 | pOv->instance = fdTable[fd].instance; |
1335 | pOv->procPtr = procPtr; |
1336 | pOv->clientData = clientData; |
1337 | bytesWritten = fd; |
1338 | /* |
1339 | * WriteFile returns: TRUE success, FALSE failure |
1340 | */ |
1341 | if (!WriteFile(fdTable[fd].fid.fileHandle, buf, len, &bytesWritten, |
1342 | (LPOVERLAPPED)pOv)) { |
1343 | fdTable[fd].Errno = GetLastError(); |
1344 | if(fdTable[fd].Errno != ERROR_IO_PENDING) { |
1345 | PostQueuedCompletionStatus(hIoCompPort, 0, fd, (LPOVERLAPPED)pOv); |
1346 | return -1; |
1347 | } |
1348 | fdTable[fd].Errno = 0; |
1349 | } |
1350 | if (fdTable[fd].offset >= 0) |
1351 | fdTable[fd].offset += len; |
1352 | return 0; |
1353 | } |
1354 | |
0198fd3c |
1355 | /* |
1356 | *-------------------------------------------------------------- |
1357 | * |
1358 | * OS_Close -- |
1359 | * |
1360 | * Closes the descriptor with routine appropriate for |
1361 | * descriptor's type. |
1362 | * |
1363 | * Results: |
1364 | * Socket or file is closed. Return values mimic Unix close: |
1365 | * 0 success, -1 failure |
1366 | * |
1367 | * Side effects: |
1368 | * Entry in fdTable is marked as free. |
1369 | * |
1370 | *-------------------------------------------------------------- |
1371 | */ |
1372 | int OS_Close(int fd) |
1373 | { |
1374 | int ret = 0; |
1375 | |
1376 | /* |
1377 | * Catch it if fd is a bogus value |
1378 | */ |
1379 | ASSERT((fd >= 0) && (fd < WIN32_OPEN_MAX)); |
1380 | ASSERT(fdTable[fd].type != FD_UNUSED); |
1381 | |
1382 | switch (fdTable[fd].type) { |
1383 | case FD_PIPE_SYNC: |
1384 | case FD_PIPE_ASYNC: |
1385 | case FD_FILE_SYNC: |
1386 | case FD_FILE_ASYNC: |
0198fd3c |
1387 | break; |
87abe107 |
1388 | |
1389 | case FD_SOCKET_SYNC: |
0198fd3c |
1390 | case FD_SOCKET_ASYNC: |
1391 | /* |
1392 | * Closing a socket that has an async read outstanding causes a |
1393 | * tcp reset and possible data loss. The shutdown call seems to |
1394 | * prevent this. |
1395 | */ |
1396 | shutdown(fdTable[fd].fid.sock, 2); |
1397 | /* |
1398 | * closesocket returns: 0 success, SOCKET_ERROR failure |
1399 | */ |
1400 | if (closesocket(fdTable[fd].fid.sock) == SOCKET_ERROR) |
1401 | ret = -1; |
1402 | break; |
1403 | default: |
1404 | return -1; /* fake failure */ |
1405 | } |
1406 | |
1407 | Win32FreeDescriptor(fd); |
1408 | return ret; |
1409 | } |
62e100c7 |
1410 | |
0198fd3c |
1411 | /* |
1412 | *-------------------------------------------------------------- |
1413 | * |
1414 | * OS_CloseRead -- |
1415 | * |
1416 | * Cancel outstanding asynchronous reads and prevent subsequent |
1417 | * reads from completing. |
1418 | * |
1419 | * Results: |
1420 | * Socket or file is shutdown. Return values mimic Unix shutdown: |
1421 | * 0 success, -1 failure |
1422 | * |
1423 | *-------------------------------------------------------------- |
1424 | */ |
1425 | int OS_CloseRead(int fd) |
1426 | { |
1427 | int ret = 0; |
1428 | |
1429 | /* |
1430 | * Catch it if fd is a bogus value |
1431 | */ |
1432 | ASSERT((fd >= 0) && (fd < WIN32_OPEN_MAX)); |
1433 | ASSERT(fdTable[fd].type == FD_SOCKET_ASYNC |
1434 | || fdTable[fd].type == FD_SOCKET_SYNC); |
1435 | |
1436 | if (shutdown(fdTable[fd].fid.sock,0) == SOCKET_ERROR) |
1437 | ret = -1; |
1438 | return ret; |
1439 | } |
62e100c7 |
1440 | |
0198fd3c |
1441 | /* |
1442 | *-------------------------------------------------------------- |
1443 | * |
1444 | * OS_DoIo -- |
1445 | * |
1446 | * This function was formerly OS_Select. It's purpose is |
1447 | * to pull I/O completion events off the queue and dispatch |
1448 | * them to the appropriate place. |
1449 | * |
1450 | * Results: |
1451 | * Returns 0. |
1452 | * |
1453 | * Side effects: |
1454 | * Handlers are called. |
1455 | * |
1456 | *-------------------------------------------------------------- |
1457 | */ |
1458 | int OS_DoIo(struct timeval *tmo) |
1459 | { |
bf00339b |
1460 | unsigned long fd; |
1461 | unsigned long bytes; |
0198fd3c |
1462 | POVERLAPPED_REQUEST pOv; |
1463 | struct timeb tb; |
1464 | int ms; |
1465 | int ms_last; |
1466 | int err; |
6ad90ad2 |
1467 | |
0198fd3c |
1468 | /* XXX |
1469 | * We can loop in here, but not too long, as wait handlers |
1470 | * must run. |
1471 | * For cgi stdin, apparently select returns when io completion |
1472 | * ports don't, so don't wait the full timeout. |
1473 | */ |
1474 | if(tmo) |
1475 | ms = (tmo->tv_sec*1000 + tmo->tv_usec/1000) / 2; |
1476 | else |
1477 | ms = 1000; |
1478 | ftime(&tb); |
1479 | ms_last = tb.time*1000 + tb.millitm; |
1480 | while (ms >= 0) { |
1481 | if(tmo && (ms = tmo->tv_sec*1000 + tmo->tv_usec/1000)> 100) |
1482 | ms = 100; |
1483 | if (!GetQueuedCompletionStatus(hIoCompPort, &bytes, &fd, |
1484 | (LPOVERLAPPED *)&pOv, ms) && !pOv) { |
1485 | err = WSAGetLastError(); |
1486 | return 0; /* timeout */ |
1487 | } |
6ad90ad2 |
1488 | |
0198fd3c |
1489 | ASSERT((fd >= 0) && (fd < WIN32_OPEN_MAX)); |
1490 | /* call callback if descriptor still valid */ |
1491 | ASSERT(pOv); |
1492 | if(pOv->instance == fdTable[fd].instance) |
1493 | (*pOv->procPtr)(pOv->clientData, bytes); |
1494 | free(pOv); |
1495 | |
1496 | ftime(&tb); |
1497 | ms -= (tb.time*1000 + tb.millitm - ms_last); |
1498 | ms_last = tb.time*1000 + tb.millitm; |
1499 | } |
1500 | return 0; |
1501 | } |
1502 | |
b24cecc1 |
1503 | static int isAddrOK(struct sockaddr_in * inet_sockaddr, const char * okAddrs) |
87abe107 |
1504 | { |
b24cecc1 |
1505 | static const char *token = " ,;:\t"; |
1506 | char *ipaddr; |
1507 | char *p; |
87abe107 |
1508 | |
b24cecc1 |
1509 | if (okAddrs == NULL) return TRUE; |
bf00339b |
1510 | |
b24cecc1 |
1511 | ipaddr = inet_ntoa(inet_sockaddr->sin_addr); |
1512 | p = strstr(okAddrs, ipaddr); |
1513 | |
1514 | if (p == NULL) return FALSE; |
1515 | |
1516 | if (p == okAddrs) |
87abe107 |
1517 | { |
b24cecc1 |
1518 | p += strlen(ipaddr); |
1519 | return (strchr(token, *p) != NULL); |
87abe107 |
1520 | } |
87abe107 |
1521 | |
b24cecc1 |
1522 | if (strchr(token, *--p) != NULL) |
1523 | { |
1524 | p += strlen(ipaddr) + 1; |
1525 | return (strchr(token, *p) != NULL); |
87abe107 |
1526 | } |
b24cecc1 |
1527 | |
1528 | return FALSE; |
87abe107 |
1529 | } |
9bbd33f9 |
1530 | |
b24cecc1 |
1531 | #ifndef NO_WSAACEPT |
1532 | static int CALLBACK isAddrOKCallback(LPWSABUF lpCallerId, |
1533 | LPWSABUF dc0, |
1534 | LPQOS dc1, |
1535 | LPQOS dc2, |
1536 | LPWSABUF dc3, |
1537 | LPWSABUF dc4, |
1538 | GROUP *dc5, |
1539 | DWORD data) |
1540 | { |
1541 | struct sockaddr_in *sockaddr = (struct sockaddr_in *) lpCallerId->buf; |
1542 | |
1543 | // Touch the args to avoid warnings |
1544 | dc0 = NULL; dc1 = NULL; dc2 = NULL; dc3 = NULL; dc4 = NULL; dc5 = NULL; |
1545 | |
1546 | if ((void *) data == NULL) return CF_ACCEPT; |
1547 | |
1548 | if (sockaddr->sin_family != AF_INET) return CF_ACCEPT; |
1549 | |
1550 | return isAddrOK(sockaddr, (const char *) data) ? CF_ACCEPT : CF_REJECT; |
1551 | } |
1552 | #endif |
1553 | |
9bbd33f9 |
1554 | static printLastError(const char * text) |
1555 | { |
1556 | LPVOID buf; |
1557 | |
1558 | FormatMessage( |
1559 | FORMAT_MESSAGE_ALLOCATE_BUFFER | |
1560 | FORMAT_MESSAGE_FROM_SYSTEM | |
1561 | FORMAT_MESSAGE_IGNORE_INSERTS, |
1562 | NULL, |
1563 | GetLastError(), |
1564 | 0, |
1565 | (LPTSTR) &buf, |
1566 | 0, |
1567 | NULL |
1568 | ); |
1569 | |
1570 | fprintf(stderr, "%s: %s\n", text, (LPCTSTR) buf); |
1571 | LocalFree(buf); |
1572 | } |
1573 | |
1574 | static int acceptNamedPipe() |
1575 | { |
1576 | int ipcFd = -1; |
1577 | |
1578 | if (! ConnectNamedPipe(hListen, &listenOverlapped)) |
1579 | { |
1580 | switch (GetLastError()) |
1581 | { |
1582 | case ERROR_PIPE_CONNECTED: |
1583 | |
1584 | // A client connected after CreateNamedPipe but |
1585 | // before ConnectNamedPipe. Its a good connection. |
1586 | |
1587 | break; |
1588 | |
1589 | case ERROR_IO_PENDING: |
1590 | |
1591 | // Wait for a connection to complete. |
1592 | |
1593 | while (WaitForSingleObject(listenOverlapped.hEvent, |
1594 | ACCEPT_TIMEOUT) == WAIT_TIMEOUT) |
1595 | { |
1596 | if (shutdownPending) |
1597 | { |
1598 | OS_LibShutdown(); |
1599 | return -1; |
1600 | } |
1601 | } |
1602 | |
1603 | break; |
1604 | |
1605 | case ERROR_PIPE_LISTENING: |
1606 | |
1607 | // The pipe handle is in nonblocking mode. |
1608 | |
1609 | case ERROR_NO_DATA: |
1610 | |
1611 | // The previous client closed its handle (and we failed |
1612 | // to call DisconnectNamedPipe) |
1613 | |
1614 | default: |
1615 | |
1616 | printLastError("unexpected ConnectNamedPipe() error"); |
1617 | } |
1618 | } |
1619 | |
1620 | ipcFd = Win32NewDescriptor(FD_PIPE_SYNC, (int) hListen, -1); |
1621 | if (ipcFd == -1) |
1622 | { |
1623 | DisconnectNamedPipe(hListen); |
1624 | } |
1625 | |
1626 | return ipcFd; |
1627 | } |
1628 | |
1629 | static int acceptSocket(const char *webServerAddrs) |
1630 | { |
9bbd33f9 |
1631 | SOCKET hSock; |
1632 | int ipcFd = -1; |
b24cecc1 |
1633 | |
1634 | for (;;) |
9bbd33f9 |
1635 | { |
b24cecc1 |
1636 | struct sockaddr sockaddr; |
1637 | int sockaddrLen = sizeof(sockaddr); |
1638 | |
1639 | for (;;) |
9bbd33f9 |
1640 | { |
b24cecc1 |
1641 | const struct timeval timeout = {1, 0}; |
1642 | fd_set readfds; |
1643 | |
1644 | FD_ZERO(&readfds); |
1645 | FD_SET((unsigned int) hListen, &readfds); |
1646 | |
1647 | if (select(0, &readfds, NULL, NULL, &timeout) == 0) |
1648 | { |
1649 | if (shutdownPending) |
1650 | { |
1651 | OS_LibShutdown(); |
1652 | return -1; |
1653 | } |
1654 | } |
1655 | else |
1656 | { |
1657 | break; |
1658 | } |
9bbd33f9 |
1659 | } |
9bbd33f9 |
1660 | |
b24cecc1 |
1661 | #if NO_WSAACEPT |
1662 | hSock = accept((SOCKET) hListen, &sockaddr, &sockaddrLen); |
1663 | |
1664 | if (hSock == INVALID_SOCKET) |
1665 | { |
1666 | break; |
1667 | } |
1668 | |
1669 | if (isAddrOK((struct sockaddr_in *) &sockaddr, webServerAddrs)) |
1670 | { |
1671 | break; |
1672 | } |
1673 | |
1674 | closesocket(hSock); |
1675 | #else |
1676 | hSock = WSAAccept((unsigned int) hListen, |
1677 | &sockaddr, |
1678 | &sockaddrLen, |
1679 | isAddrOKCallback, |
1680 | (DWORD) webServerAddrs); |
1681 | |
1682 | if (hSock != INVALID_SOCKET) |
1683 | { |
1684 | break; |
1685 | } |
1686 | |
1687 | if (WSAGetLastError() != WSAECONNREFUSED) |
1688 | { |
1689 | break; |
1690 | } |
1691 | #endif |
1692 | } |
9bbd33f9 |
1693 | |
1694 | if (hSock == INVALID_SOCKET) |
1695 | { |
b24cecc1 |
1696 | /* Use FormatMessage() */ |
9bbd33f9 |
1697 | fprintf(stderr, "accept()/WSAAccept() failed: %d", WSAGetLastError()); |
1698 | return -1; |
1699 | } |
87abe107 |
1700 | |
9bbd33f9 |
1701 | ipcFd = Win32NewDescriptor(FD_SOCKET_SYNC, hSock, -1); |
1702 | if (ipcFd == -1) |
1703 | { |
1704 | closesocket(hSock); |
1705 | } |
1706 | |
1707 | return ipcFd; |
1708 | } |
1709 | |
0198fd3c |
1710 | /* |
1711 | *---------------------------------------------------------------------- |
1712 | * |
0b7c9662 |
1713 | * OS_Accept -- |
0198fd3c |
1714 | * |
9bbd33f9 |
1715 | * Accepts a new FastCGI connection. This routine knows whether |
1716 | * we're dealing with TCP based sockets or NT Named Pipes for IPC. |
1717 | * |
1718 | * fail_on_intr is ignored in the Win lib. |
0198fd3c |
1719 | * |
1720 | * Results: |
1721 | * -1 if the operation fails, otherwise this is a valid IPC fd. |
1722 | * |
0198fd3c |
1723 | *---------------------------------------------------------------------- |
1724 | */ |
1dd5d7a8 |
1725 | int OS_Accept(int listen_sock, int fail_on_intr, const char *webServerAddrs) |
0198fd3c |
1726 | { |
0198fd3c |
1727 | int ipcFd = -1; |
9bbd33f9 |
1728 | |
bf00339b |
1729 | // Touch args to prevent warnings |
1730 | listen_sock = 0; fail_on_intr = 0; |
1731 | |
9bbd33f9 |
1732 | // @todo Muliple listen sockets and sockets other than 0 are not |
1733 | // supported due to the use of globals. |
0198fd3c |
1734 | |
87abe107 |
1735 | if (shutdownPending) |
1736 | { |
9bbd33f9 |
1737 | OS_LibShutdown(); |
87abe107 |
1738 | return -1; |
1739 | } |
0198fd3c |
1740 | |
87abe107 |
1741 | // The mutex is to keep other processes (and threads, when supported) |
1742 | // from going into the accept cycle. The accept cycle needs to |
1743 | // periodically break out to check the state of the shutdown flag |
1744 | // and there's no point to having more than one thread do that. |
1745 | |
1746 | if (acceptMutex != INVALID_HANDLE_VALUE) |
1747 | { |
1748 | if (WaitForSingleObject(acceptMutex, INFINITE) == WAIT_FAILED) |
1749 | { |
9bbd33f9 |
1750 | printLastError("WaitForSingleObject() failed"); |
0198fd3c |
1751 | return -1; |
1752 | } |
87abe107 |
1753 | } |
1754 | |
1755 | if (shutdownPending) |
1756 | { |
9bbd33f9 |
1757 | OS_LibShutdown(); |
87abe107 |
1758 | } |
9bbd33f9 |
1759 | else if (listenType == FD_PIPE_SYNC) |
87abe107 |
1760 | { |
9bbd33f9 |
1761 | ipcFd = acceptNamedPipe(); |
0198fd3c |
1762 | } |
87abe107 |
1763 | else if (listenType == FD_SOCKET_SYNC) |
1764 | { |
9bbd33f9 |
1765 | ipcFd = acceptSocket(webServerAddrs); |
0198fd3c |
1766 | } |
87abe107 |
1767 | else |
1768 | { |
9bbd33f9 |
1769 | fprintf(stderr, "unknown listenType (%d)\n", listenType); |
87abe107 |
1770 | } |
1771 | |
9bbd33f9 |
1772 | if (acceptMutex != INVALID_HANDLE_VALUE) |
1773 | { |
1774 | ReleaseMutex(acceptMutex); |
1775 | } |
1776 | |
87abe107 |
1777 | return ipcFd; |
0198fd3c |
1778 | } |
62e100c7 |
1779 | |
0198fd3c |
1780 | /* |
1781 | *---------------------------------------------------------------------- |
1782 | * |
1783 | * OS_IpcClose |
1784 | * |
1785 | * OS IPC routine to close an IPC connection. |
1786 | * |
1787 | * Results: |
1788 | * |
1789 | * |
1790 | * Side effects: |
1791 | * IPC connection is closed. |
1792 | * |
1793 | *---------------------------------------------------------------------- |
1794 | */ |
1795 | int OS_IpcClose(int ipcFd) |
1796 | { |
8462b1ec |
1797 | if (ipcFd == -1) |
1798 | return 0; |
1799 | |
0198fd3c |
1800 | /* |
1801 | * Catch it if fd is a bogus value |
1802 | */ |
1803 | ASSERT((ipcFd >= 0) && (ipcFd < WIN32_OPEN_MAX)); |
1804 | ASSERT(fdTable[ipcFd].type != FD_UNUSED); |
1805 | |
1806 | switch(listenType) { |
1807 | |
1808 | case FD_PIPE_SYNC: |
1809 | /* |
1810 | * Make sure that the client (ie. a Web Server in this case) has |
1811 | * read all data from the pipe before we disconnect. |
1812 | */ |
1813 | if(!FlushFileBuffers(fdTable[ipcFd].fid.fileHandle)) |
1814 | return -1; |
1815 | if(DisconnectNamedPipe(fdTable[ipcFd].fid.fileHandle)) { |
1816 | OS_Close(ipcFd); |
1817 | return 0; |
1818 | } else { |
1819 | return -1; |
1820 | } |
1821 | break; |
1822 | |
1823 | case FD_SOCKET_SYNC: |
1824 | OS_Close(ipcFd); |
3bc7b7d9 |
1825 | return 0; |
0198fd3c |
1826 | break; |
1827 | |
1828 | case FD_UNUSED: |
1829 | default: |
1830 | exit(106); |
1831 | break; |
1832 | } |
0198fd3c |
1833 | } |
1834 | |
0198fd3c |
1835 | /* |
1836 | *---------------------------------------------------------------------- |
1837 | * |
1838 | * OS_IsFcgi -- |
1839 | * |
1840 | * Determines whether this process is a FastCGI process or not. |
1841 | * |
1842 | * Results: |
1843 | * Returns 1 if FastCGI, 0 if not. |
1844 | * |
1845 | * Side effects: |
1846 | * None. |
1847 | * |
1848 | *---------------------------------------------------------------------- |
1849 | */ |
0b7c9662 |
1850 | int OS_IsFcgi(int sock) |
0198fd3c |
1851 | { |
bf00339b |
1852 | // Touch args to prevent warnings |
1853 | sock = 0; |
1854 | |
0394d3a2 |
1855 | /* XXX This is broken for sock */ |
1856 | |
1857 | return (listenType != FD_UNUSED); |
0198fd3c |
1858 | } |
1859 | |
0198fd3c |
1860 | /* |
1861 | *---------------------------------------------------------------------- |
1862 | * |
1863 | * OS_SetFlags -- |
1864 | * |
1865 | * Sets selected flag bits in an open file descriptor. Currently |
1866 | * this is only to put a SOCKET into non-blocking mode. |
1867 | * |
1868 | *---------------------------------------------------------------------- |
1869 | */ |
1870 | void OS_SetFlags(int fd, int flags) |
1871 | { |
3bc7b7d9 |
1872 | unsigned long pLong = 1L; |
0198fd3c |
1873 | int err; |
6ad90ad2 |
1874 | |
3bc7b7d9 |
1875 | if (fdTable[fd].type == FD_SOCKET_SYNC && flags == O_NONBLOCK) { |
0198fd3c |
1876 | if (ioctlsocket(fdTable[fd].fid.sock, FIONBIO, &pLong) == |
1877 | SOCKET_ERROR) { |
1878 | exit(WSAGetLastError()); |
1879 | } |
1880 | if (!CreateIoCompletionPort((HANDLE)fdTable[fd].fid.sock, |
1881 | hIoCompPort, fd, 1)) { |
1882 | err = GetLastError(); |
1883 | exit(err); |
1884 | } |
1885 | |
1886 | fdTable[fd].type = FD_SOCKET_ASYNC; |
1887 | } |
1888 | return; |
1889 | } |
1890 | |