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XrdPosix.cc
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1/******************************************************************************/
2/* */
3/* X r d P o s i x . c c */
4/* */
5/* (c) 2005 by the Board of Trustees of the Leland Stanford, Jr., University */
6/* All Rights Reserved */
7/* Produced by Andrew Hanushevsky for Stanford University under contract */
8/* DE-AC02-76-SFO0515 with the Department of Energy */
9/* */
10/* This file is part of the XRootD software suite. */
11/* */
12/* XRootD is free software: you can redistribute it and/or modify it under */
13/* the terms of the GNU Lesser General Public License as published by the */
14/* Free Software Foundation, either version 3 of the License, or (at your */
15/* option) any later version. */
16/* */
17/* XRootD is distributed in the hope that it will be useful, but WITHOUT */
18/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
19/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */
20/* License for more details. */
21/* */
22/* You should have received a copy of the GNU Lesser General Public License */
23/* along with XRootD in a file called COPYING.LESSER (LGPL license) and file */
24/* COPYING (GPL license). If not, see <http://www.gnu.org/licenses/>. */
25/* */
26/* The copyright holder's institutional names and contributor's names may not */
27/* be used to endorse or promote products derived from this software without */
28/* specific prior written permission of the institution or contributor. */
29/******************************************************************************/
30
31#include <cstdarg>
32#include <cstdio>
33#include <cstdlib>
34#include <sys/param.h>
35#include <sys/types.h>
36#include <sys/stat.h>
37#include <fcntl.h>
38#include <unistd.h>
39#include <sys/uio.h>
40
45
46/******************************************************************************/
47/* G l o b a l O b j e c t s */
48/******************************************************************************/
49
51
53
55
56/******************************************************************************/
57/* U t i l i t y F u n c t i o n s */
58/******************************************************************************/
59
60#ifdef MUSL
61#include <stdio_ext.h>
62#endif
63
64static inline void fseterr(FILE *fp)
65{
66 /* Most systems provide FILE as a struct and the necessary bitmask in
67 <stdio.h>, because they need it for implementing getc() and putc() as
68 fast macros. This function is based on gnulib's fseterr.c */
69#if defined _IO_ERR_SEEN || defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1
70 /* GNU libc, BeOS, Haiku, Linux libc5 */
71 fp->_flags |= _IO_ERR_SEEN;
72#elif defined __sferror || defined __APPLE__ || defined __DragonFly__ || defined __FreeBSD__ || defined __ANDROID__
73 /* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin, Minix 3, Android */
74 fp->_flags |= __SERR;
75#elif defined _IOERR
76 /* AIX, HP-UX, IRIX, OSF/1, Solaris, OpenServer, UnixWare, mingw, MSVC, NonStop Kernel, OpenVMS */
77 fp->_flag |= _IOERR;
78#elif defined __UCLIBC__ /* uClibc */
79 fp->__modeflags |= __FLAG_ERROR;
80#elif defined MUSL /* musl libc */
81 __fseterr(fp);
82#else
83 #error "Unsupported platform! Please report it as a bug."
84#endif
85}
86
87static inline void fseteof(FILE *fp)
88{
89 /* Most systems provide FILE as a struct and the necessary bitmask in
90 <stdio.h>, because they need it for implementing getc() and putc() as
91 fast macros. */
92#if defined _IO_EOF_SEEN || defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1
93 /* GNU libc, BeOS, Haiku, Linux libc5 */
94 fp->_flags |= _IO_EOF_SEEN;
95#elif defined __sferror || defined __APPLE__ || defined __DragonFly__ || defined __ANDROID__
96 /* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin, Minix 3, Android */
97 fp->_flags |= __SEOF;
98#elif defined _IOEOF
99 /* AIX, HP-UX, IRIX, OSF/1, Solaris, OpenServer, UnixWare, mingw, MSVC, NonStop Kernel, OpenVMS */
100 fp->_flag |= _IOEOF;
101#elif defined __UCLIBC__ /* uClibc */
102 fp->__modeflags |= __FLAG_EOF;
103#else
104 (void) fseek(fp, 0L, SEEK_END);
105#endif
106}
107
108/******************************************************************************/
109/* X r d P o s i x _ A c c e s s */
110/******************************************************************************/
111
112extern "C"
113{
114int XrdPosix_Access(const char *path, int amode)
115{
116 char *myPath, buff[2048];
117
118// Make sure a path was passed
119//
120 if (!path) {errno = EFAULT; return -1;}
121
122// Return the results of a mkdir of a Unix file system
123//
124 if (!(myPath = XrootPath.URL(path, buff, sizeof(buff))))
125 return Xunix.Access( path, amode);
126
127// Return the results of our version of access()
128//
129 return Xroot.Access(myPath, amode);
130}
131}
132
133/******************************************************************************/
134/* X r d P o s i x _ A c l */
135/******************************************************************************/
136
137// This is a required addition for Solaris 10+ systems
138
139extern "C"
140{
141int XrdPosix_Acl(const char *path, int cmd, int nentries, void *aclbufp)
142{
143 return (XrootPath.URL(path, 0, 0)
144 ? Xunix.Acl("/tmp", cmd,nentries,aclbufp)
145 : Xunix.Acl(path, cmd,nentries,aclbufp));
146}
147}
148
149/******************************************************************************/
150/* X r d P o s i x _ C h d i r */
151/******************************************************************************/
152
153extern "C"
154{
155int XrdPosix_Chdir(const char *path)
156{
157 int rc;
158
159// Set the working directory if the actual chdir succeeded
160//
161 if (!(rc = Xunix.Chdir(path))) XrootPath.CWD(path);
162 return rc;
163}
164}
165
166/******************************************************************************/
167/* X r d P o s i x _ C l o s e */
168/******************************************************************************/
169
170extern "C"
171{
172int XrdPosix_Close(int fildes)
173{
174
175// Return result of the close
176//
177 return (Xroot.myFD(fildes) ? Xroot.Close(fildes) : Xunix.Close(fildes));
178}
179}
180
181/******************************************************************************/
182/* X r d P o s i x _ C l o s e d i r */
183/******************************************************************************/
184
185extern "C"
186{
187int XrdPosix_Closedir(DIR *dirp)
188{
189
190 return (Xroot.isXrootdDir(dirp) ? Xroot.Closedir(dirp)
191 : Xunix.Closedir(dirp));
192}
193}
194
195/******************************************************************************/
196/* X r d P o s i x _ C r e a t */
197/******************************************************************************/
198
199extern "C"
200{
201int XrdPosix_Creat(const char *path, mode_t mode)
202{
203 extern int XrdPosix_Open(const char *path, int oflag, ...);
204
205 return XrdPosix_Open(path, O_WRONLY | O_CREAT | O_TRUNC, mode);
206}
207}
208
209/******************************************************************************/
210/* X r d P o s i x _ F c l o s e */
211/******************************************************************************/
212
213extern "C"
214{
215int XrdPosix_Fclose(FILE *stream)
216{
217 int nullfd = fileno(stream);
218
219// Close the associated file
220//
221 if (Xroot.myFD(nullfd)) Xroot.Close(nullfd);
222
223// Now close the stream
224//
225 return Xunix.Fclose(stream);
226}
227}
228
229/******************************************************************************/
230/* X r d P o s i x _ F c n t l */
231/******************************************************************************/
232
233extern "C"
234{
235int XrdPosix_Fcntl(int fd, int cmd, ...)
236{
237 va_list ap;
238 void *theArg;
239
240 if (Xroot.myFD(fd)) return 0;
241 va_start(ap, cmd);
242 theArg = va_arg(ap, void *);
243 va_end(ap);
244 return Xunix.Fcntl64(fd, cmd, theArg);
245}
246}
247
248/******************************************************************************/
249/* X r d P o s i x _ F d a t a s y n c */
250/******************************************************************************/
251
252extern "C"
253{
254int XrdPosix_Fdatasync(int fildes)
255{
256
257// Return the result of the sync
258//
259 return (Xroot.myFD(fildes) ? Xroot.Fsync(fildes)
260 : Xunix.Fsync(fildes));
261}
262}
263
264/******************************************************************************/
265/* X r d P o s i x _ F g e t x a t t r */
266/******************************************************************************/
267
268#if defined(__linux__) || defined(__GNU__) || (defined(__FreeBSD_kernel__) && defined(__GLIBC__))
269extern "C"
270{
271long long XrdPosix_Fgetxattr (int fd, const char *name, void *value,
272 unsigned long long size)
273{
274 if (Xroot.myFD(fd)) {errno = ENOTSUP; return -1;}
275 return Xunix.Fgetxattr(fd, name, value, size);
276}
277}
278#endif
279
280/******************************************************************************/
281/* X r d P o s i x _ F f l u s h */
282/******************************************************************************/
283
284extern "C"
285{
286int XrdPosix_Fflush(FILE *stream)
287{
288
289// Return the result of the fseek
290//
291 if (!stream || !Xroot.myFD(fileno(stream)))
292 return Xunix.Fflush(stream);
293
294 return Xroot.Fsync(fileno(stream));
295}
296}
297
298/******************************************************************************/
299/* X r d P o s i x _ F o p e n */
300/******************************************************************************/
301
302#define ISMODE(x) !strcmp(mode, x)
303
304extern "C"
305{
306FILE *XrdPosix_Fopen(const char *path, const char *mode)
307{
308 char *myPath, buff[2048];
309 int erc, fd, omode;
310 FILE *stream;
311
312// Transfer to unix if this is not our path
313//
314 if (!(myPath = XrootPath.URL(path, buff, sizeof(buff))))
315 return Xunix.Fopen64(path, mode);
316
317// Translate the mode flags
318//
319 if (ISMODE("r") || ISMODE("rb")) omode = O_RDONLY;
320 else if (ISMODE("w") || ISMODE("wb")) omode = O_WRONLY
321 | O_CREAT | O_TRUNC;
322 else if (ISMODE("a") || ISMODE("ab")) omode = O_WRONLY
323 | O_CREAT | O_APPEND;
324 else if (ISMODE("r+") || ISMODE("rb+") || ISMODE("r+b")) omode = O_RDWR;
325 else if (ISMODE("w+") || ISMODE("wb+") || ISMODE("w+b")) omode = O_RDWR
326 | O_CREAT | O_TRUNC;
327 else if (ISMODE("a+") || ISMODE("ab+") || ISMODE("a+b")) omode = O_RDWR
328 | O_CREAT | O_APPEND;
329 else {errno = EINVAL; return 0;}
330
331// Now open the file
332//
333 if ((fd = Xroot.Open(myPath, omode | XrdPosixXrootd::isStream , 0)) < 0)
334 return 0;
335
336// First obtain a free stream
337//
338 if (!(stream = fdopen(fd, mode)))
339 {erc = errno; Xroot.Close(fd); errno = erc;}
340
341// All done
342//
343 return stream;
344}
345}
346
347/******************************************************************************/
348/* X r d P o s i x _ F r e a d */
349/******************************************************************************/
350
351extern "C"
352{
353size_t XrdPosix_Fread(void *ptr, size_t size, size_t nitems, FILE *stream)
354{
355 ssize_t bytes;
356 size_t rc = 0;
357 int fd = fileno(stream);
358
359 if (!Xroot.myFD(fd)) return Xunix.Fread(ptr, size, nitems, stream);
360
361 bytes = Xroot.Read(fd, ptr, size*nitems);
362
363// Get the right return code. Note that we cannot emulate the flags in sunx86
364//
365 if (bytes > 0 && size) rc = bytes/size;
366 else if (bytes < 0) fseterr(stream);
367 else fseteof(stream);
368
369 return rc;
370}
371}
372
373/******************************************************************************/
374/* X r d P o s i x _ F s e e k */
375/******************************************************************************/
376
377extern "C"
378{
379int XrdPosix_Fseek(FILE *stream, long offset, int whence)
380{
381
382// Return the result of the fseek
383//
384 if (!Xroot.myFD(fileno(stream)))
385 return Xunix.Fseek( stream, offset, whence);
386
387 return (Xroot.Lseek(fileno(stream), offset, whence) < 0 ? -1 : 0);
388}
389}
390
391/******************************************************************************/
392/* X r d P o s i x _ F s e e k o */
393/******************************************************************************/
394
395extern "C"
396{
397int XrdPosix_Fseeko(FILE *stream, long long offset, int whence)
398{
399
400// Return the result of the fseek
401//
402 if (!Xroot.myFD(fileno(stream)))
403 return Xunix.Fseeko64(stream, offset, whence);
404
405 return (Xroot.Lseek(fileno(stream), offset, whence) < 0 ? -1 : 0);
406}
407}
408
409/******************************************************************************/
410/* X r d P o s i x _ F s t a t */
411/******************************************************************************/
412
413extern "C"
414{
415int XrdPosix_Fstat(int fildes, struct stat *buf)
416{
417
418// Return result of the close
419//
420 return (Xroot.myFD(fildes)
421 ? Xroot.Fstat(fildes, buf)
422#if defined(__linux__) and defined(_STAT_VER)
423 : Xunix.Fstat64(_STAT_VER, fildes, (struct stat64 *)buf));
424#else
425 : Xunix.Fstat64( fildes, (struct stat64 *)buf));
426#endif
427}
428
429#ifdef __linux__
430int XrdPosix_FstatV(int ver, int fildes, struct stat *buf)
431{
432 return (Xroot.myFD(fildes)
433 ? Xroot.Fstat(fildes, buf)
434#ifdef _STAT_VER
435 : Xunix.Fstat64(ver, fildes, (struct stat64 *)buf));
436#else
437 : Xunix.Fstat64( fildes, (struct stat64 *)buf));
438#endif
439}
440#endif
441}
442
443/******************************************************************************/
444/* X r d P o s i x _ F s y n c */
445/******************************************************************************/
446
447extern "C"
448{
449int XrdPosix_Fsync(int fildes)
450{
451
452// Return the result of the sync
453//
454 return (Xroot.myFD(fildes) ? Xroot.Fsync(fildes)
455 : Xunix.Fsync(fildes));
456}
457}
458
459/******************************************************************************/
460/* X r d P o s i x _ F t e l l */
461/******************************************************************************/
462
463extern "C"
464{
465long XrdPosix_Ftell(FILE *stream)
466{
467
468// Return the result of the tell
469//
470 if (!Xroot.myFD(fileno(stream))) return Xunix.Ftell(stream);
471
472 return static_cast<long>(Xroot.Lseek(fileno(stream), 0, SEEK_CUR));
473}
474}
475
476/******************************************************************************/
477/* X r d P o s i x _ F t e l l o */
478/******************************************************************************/
479
480extern "C"
481{
482long long XrdPosix_Ftello(FILE *stream)
483{
484
485// Return the result of the tell
486//
487 if (!Xroot.myFD(fileno(stream))) return Xunix.Ftello64(stream);
488
489 return Xroot.Lseek(fileno(stream), 0, SEEK_CUR);
490}
491}
492
493/******************************************************************************/
494/* X r d P o s i x _ F t r u n c a t e */
495/******************************************************************************/
496
497extern "C"
498{
499int XrdPosix_Ftruncate(int fildes, long long offset)
500{
501
502// Return the result of the ftruncate
503//
504 return (Xroot.myFD(fildes) ? Xroot.Ftruncate (fildes, offset)
505 : Xunix.Ftruncate64(fildes, offset));
506}
507}
508
509/******************************************************************************/
510/* X r d P o s i x _ F w r i t e */
511/******************************************************************************/
512
513extern "C"
514{
515size_t XrdPosix_Fwrite(const void *ptr, size_t size, size_t nitems, FILE *stream)
516{
517 size_t bytes, rc = 0;
518 int fd = fileno(stream);
519
520 if (!Xroot.myFD(fd)) return Xunix.Fwrite(ptr, size, nitems, stream);
521
522 bytes = Xroot.Write(fd, ptr, size*nitems);
523
524// Get the right return code.
525//
526 if (bytes > 0 && size) rc = bytes/size;
527 else fseterr(stream);
528
529 return rc;
530}
531}
532
533/******************************************************************************/
534/* X r d P o s i x _ G e t x a t t r */
535/******************************************************************************/
536
537#if defined(__linux__) || defined(__GNU__) || (defined(__FreeBSD_kernel__) && defined(__GLIBC__))
538extern "C"
539{
540long long XrdPosix_Getxattr (const char *path, const char *name, void *value,
541 unsigned long long size)
542{
543 char *myPath, buff[2048];
544
545 if (!(myPath = XrootPath.URL(path, buff, sizeof(buff))))
546 return Xunix.Getxattr(path, name, value, size);
547
548 return Xroot.Getxattr(myPath, name, value, size);
549}
550}
551#endif
552
553/******************************************************************************/
554/* X r d P o s i x _ L g e t x a t t r */
555/******************************************************************************/
556
557#if defined(__linux__) || defined(__GNU__) || (defined(__FreeBSD_kernel__) && defined(__GLIBC__))
558extern "C"
559{
560long long XrdPosix_Lgetxattr (const char *path, const char *name, void *value,
561 unsigned long long size)
562{
563 if (XrootPath.URL(path, 0, 0)) {errno = ENOTSUP; return -1;}
564 return Xunix.Lgetxattr(path, name, value, size);
565}
566}
567#endif
568
569/******************************************************************************/
570/* X r d P o s i x _ L s e e k */
571/******************************************************************************/
572
573extern "C"
574{
575long long XrdPosix_Lseek(int fildes, long long offset, int whence)
576{
577
578// Return the operation of the seek
579//
580 return (Xroot.myFD(fildes) ? Xroot.Lseek (fildes, offset, whence)
581 : Xunix.Lseek64(fildes, offset, whence));
582}
583}
584
585/******************************************************************************/
586/* X r d P o s i x _ L s t a t */
587/******************************************************************************/
588
589extern "C"
590{
591int XrdPosix_Lstat(const char *path, struct stat *buf)
592{
593 char *myPath, buff[2048];
594
595// Make sure a path was passed
596//
597 if (!path) {errno = EFAULT; return -1;}
598
599// Return the results of an open of a Unix file
600//
601 return (!(myPath = XrootPath.URL(path, buff, sizeof(buff)))
602#if defined(__linux__) and defined(_STAT_VER)
603 ? Xunix.Lstat64(_STAT_VER, path, (struct stat64 *)buf)
604#else
605 ? Xunix.Lstat64( path, (struct stat64 *)buf)
606#endif
607 : Xroot.Stat(myPath, buf));
608}
609}
610
611/******************************************************************************/
612/* X r d P o s i x _ M k d i r */
613/******************************************************************************/
614
615extern "C"
616{
617int XrdPosix_Mkdir(const char *path, mode_t mode)
618{
619 char *myPath, buff[2048];
620
621// Make sure a path was passed
622//
623 if (!path) {errno = EFAULT; return -1;}
624
625// Return the results of a mkdir of a Unix file system
626//
627 if (!(myPath = XrootPath.URL(path, buff, sizeof(buff))))
628 return Xunix.Mkdir(path, mode);
629
630// Return the results of an mkdir of an xrootd file system
631//
632 return Xroot.Mkdir(myPath, mode);
633}
634}
635
636/******************************************************************************/
637/* X r d P o s i x _ O p e n */
638/******************************************************************************/
639
640extern "C"
641{
642int XrdPosix_Open(const char *path, int oflag, ...)
643{
644 char *myPath, buff[2048];
645 va_list ap;
646 int mode;
647
648// Make sure a path was passed
649//
650 if (!path) {errno = EFAULT; return -1;}
651
652// Return the results of an open of a Unix file
653//
654 if (!(myPath = XrootPath.URL(path, buff, sizeof(buff))))
655 {if (!(oflag & O_CREAT)) return Xunix.Open64(path, oflag);
656 va_start(ap, oflag);
657 mode = va_arg(ap, int);
658 va_end(ap);
659 return Xunix.Open64(path, oflag, (mode_t)mode);
660 }
661
662// Return the results of an open of an xrootd file
663//
664 if (!(oflag & O_CREAT)) return Xroot.Open(myPath, oflag);
665 va_start(ap, oflag);
666 mode = va_arg(ap, int);
667 va_end(ap);
668 return Xroot.Open(myPath, oflag, (mode_t)mode);
669}
670}
671
672/******************************************************************************/
673/* X r d P o s i x _ O p e n d i r */
674/******************************************************************************/
675
676extern "C"
677{
678DIR* XrdPosix_Opendir(const char *path)
679{
680 char *myPath, buff[2048];
681
682// Make sure a path was passed
683//
684 if (!path) {errno = EFAULT; return 0;}
685
686// Unix opendir
687//
688 if (!(myPath = XrootPath.URL(path, buff, sizeof(buff))))
689 return Xunix.Opendir(path);
690
691// Xrootd opendir
692//
693 return Xroot.Opendir(myPath);
694}
695}
696
697/******************************************************************************/
698/* X r d P o s i x _ P a t h c o n f */
699/******************************************************************************/
700
701// This is a required addition for Solaris 10+ systems
702
703extern "C"
704{
705long XrdPosix_Pathconf(const char *path, int name)
706{
707 return (XrootPath.URL(path, 0, 0) ? Xunix.Pathconf("/tmp", name)
708 : Xunix.Pathconf(path, name));
709}
710}
711
712/******************************************************************************/
713/* X r d P o s i x _ P r e a d */
714/******************************************************************************/
715
716extern "C"
717{
718long long XrdPosix_Pread(int fildes, void *buf, unsigned long long nbyte,
719 long long offset)
720{
721
722// Return the results of the read
723//
724 return (Xroot.myFD(fildes) ? Xroot.Pread (fildes, buf, nbyte, offset)
725 : Xunix.Pread64(fildes, buf, nbyte, offset));
726}
727}
728
729/******************************************************************************/
730/* X r d P o s i x _ P w r i t e */
731/******************************************************************************/
732
733extern "C"
734{
735long long XrdPosix_Pwrite(int fildes, const void *buf, unsigned long long nbyte,
736 long long offset)
737{
738
739// Return the results of the write
740//
741 return (Xroot.myFD(fildes) ? Xroot.Pwrite (fildes, buf, nbyte, offset)
742 : Xunix.Pwrite64(fildes, buf, nbyte, offset));
743}
744}
745
746/******************************************************************************/
747/* X r d P o s i x _ R e a d */
748/******************************************************************************/
749
750extern "C"
751{
752long long XrdPosix_Read(int fildes, void *buf, unsigned long long nbyte)
753{
754
755// Return the results of the read
756//
757 return (Xroot.myFD(fildes) ? Xroot.Read(fildes, buf, nbyte)
758 : Xunix.Read(fildes, buf, nbyte));
759}
760}
761
762/******************************************************************************/
763/* X r d P o s i x _ R e a d v */
764/******************************************************************************/
765
766extern "C"
767{
768long long XrdPosix_Readv(int fildes, const struct iovec *iov, int iovcnt)
769{
770
771// Return results of the readv
772//
773 return (Xroot.myFD(fildes) ? Xroot.Readv(fildes, iov, iovcnt)
774 : Xunix.Readv(fildes, iov, iovcnt));
775}
776}
777
778/******************************************************************************/
779/* X r d P o s i x _ R e a d d i r */
780/******************************************************************************/
781
782extern "C"
783{
784// On some platforms both 32- and 64-bit versions are callable. so do the same
785//
786struct dirent * XrdPosix_Readdir (DIR *dirp)
787{
788
789// Return result of readdir
790//
791 return (Xroot.isXrootdDir(dirp) ? Xroot.Readdir(dirp)
792 : Xunix.Readdir(dirp));
793}
794
795struct dirent64 * XrdPosix_Readdir64(DIR *dirp)
796{
797
798// Return result of readdir
799//
800 return (Xroot.isXrootdDir(dirp) ? Xroot.Readdir64(dirp)
801 : Xunix.Readdir64(dirp));
802}
803}
804
805/******************************************************************************/
806/* X r d P o s i x _ R e a d d i r _ r */
807/******************************************************************************/
808
809extern "C"
810{
811int XrdPosix_Readdir_r(DIR *dirp, struct dirent *entry, struct dirent **result)
812{
813
814// Return result of readdir
815//
816 return (Xroot.isXrootdDir(dirp) ? Xroot.Readdir_r(dirp,entry,result)
817 : Xunix.Readdir_r(dirp,entry,result));
818}
819
820int XrdPosix_Readdir64_r(DIR *dirp, struct dirent64 *entry, struct dirent64 **result)
821{
822
823// Return result of readdir
824//
825 return (Xroot.isXrootdDir(dirp) ? Xroot.Readdir64_r(dirp,entry,result)
826 : Xunix.Readdir64_r(dirp,entry,result));
827}
828}
829
830/******************************************************************************/
831/* X r d P o s i x _ R e n a m e */
832/******************************************************************************/
833
834extern "C"
835{
836int XrdPosix_Rename(const char *oldpath, const char *newpath)
837{
838 char *oldPath, buffold[2048], *newPath, buffnew[2048];
839
840// Make sure a path was passed
841//
842 if (!oldpath || !newpath) {errno = EFAULT; return -1;}
843
844// Return the results of a mkdir of a Unix file system
845//
846 if (!(oldPath = XrootPath.URL(oldpath, buffold, sizeof(buffold)))
847 || !(newPath = XrootPath.URL(newpath, buffnew, sizeof(buffnew))))
848 return Xunix.Rename(oldpath, newpath);
849
850// Return the results of an mkdir of an xrootd file system
851//
852 return Xroot.Rename(oldPath, newPath);
853}
854}
855
856/******************************************************************************/
857/* X r d P o s i x _ R e w i n d d i r */
858/******************************************************************************/
859
860extern "C"
861{
862void XrdPosix_Rewinddir(DIR *dirp)
863{
864
865// Return result of rewind
866//
867 return (Xroot.isXrootdDir(dirp) ? Xroot.Rewinddir(dirp)
868 : Xunix.Rewinddir(dirp));
869}
870}
871
872/******************************************************************************/
873/* X r d P o s i x _ R m d i r */
874/******************************************************************************/
875
876extern "C"
877{
878int XrdPosix_Rmdir(const char *path)
879{
880 char *myPath, buff[2048];
881
882// Make sure a path was passed
883//
884 if (!path) {errno = EFAULT; return -1;}
885
886// Return the results of a mkdir of a Unix file system
887//
888 if (!(myPath = XrootPath.URL(path, buff, sizeof(buff))))
889 return Xunix.Rmdir(path);
890
891// Return the results of an mkdir of an xrootd file system
892//
893 return Xroot.Rmdir(myPath);
894}
895}
896
897/******************************************************************************/
898/* X r d P o s i x _ S e e k d i r */
899/******************************************************************************/
900
901extern "C"
902{
903void XrdPosix_Seekdir(DIR *dirp, long loc)
904{
905
906// Call seekdir
907//
908 (Xroot.isXrootdDir(dirp) ? Xroot.Seekdir(dirp, loc)
909 : Xunix.Seekdir(dirp, loc));
910}
911}
912
913/******************************************************************************/
914/* X r d P o s i x _ S t a t */
915/******************************************************************************/
916
917extern "C"
918{
919int XrdPosix_Stat(const char *path, struct stat *buf)
920{
921 char *myPath, buff[2048];
922
923// Make sure a path was passed
924//
925 if (!path) {errno = EFAULT; return -1;}
926
927// Return the results of an open of a Unix file
928//
929 return (!(myPath = XrootPath.URL(path, buff, sizeof(buff)))
930#if defined(__linux__) and defined(_STAT_VER)
931 ? Xunix.Stat64(_STAT_VER, path, (struct stat64 *)buf)
932#else
933 ? Xunix.Stat64( path, (struct stat64 *)buf)
934#endif
935 : Xroot.Stat(myPath, buf));
936}
937}
938
939/******************************************************************************/
940/* X r d P o s i x _ S t a t f s */
941/******************************************************************************/
942
943extern "C"
944{
945int XrdPosix_Statfs(const char *path, struct statfs *buf)
946{
947 char *myPath, buff[2048];
948
949// Make sure a path was passed
950//
951 if (!path) {errno = EFAULT; return -1;}
952
953// Return the results of an open of a Unix file
954//
955 return ((myPath = XrootPath.URL(path, buff, sizeof(buff)))
956 ? Xroot.Statfs(myPath, buf)
957 : Xunix.Statfs64(path, (struct statfs64 *)buf));
958}
959}
960
961/******************************************************************************/
962/* X r d P o s i x _ S t a t v f s */
963/******************************************************************************/
964
965extern "C"
966{
967int XrdPosix_Statvfs(const char *path, struct statvfs *buf)
968{
969 char *myPath, buff[2048];
970
971// Make sure a path was passed
972//
973 if (!path) {errno = EFAULT; return -1;}
974
975// Return the results of an open of a Unix file
976//
977 return ((myPath = XrootPath.URL(path, buff, sizeof(buff)))
978 ? Xroot.Statvfs(myPath, buf)
979 : Xunix.Statvfs64(path, (struct statvfs64 *)buf));
980}
981}
982
983/******************************************************************************/
984/* X r d P o s i x _ T e l l d i r */
985/******************************************************************************/
986
987extern "C"
988{
989long XrdPosix_Telldir(DIR *dirp)
990{
991
992// Return result of telldir
993//
994 return (Xroot.isXrootdDir(dirp) ? Xroot.Telldir(dirp)
995 : Xunix.Telldir(dirp));
996}
997}
998
999/******************************************************************************/
1000/* X r d P o s i x _ T r u n c a t e */
1001/******************************************************************************/
1002
1003extern "C"
1004{
1005int XrdPosix_Truncate(const char *path, long long offset)
1006{
1007 char *myPath, buff[2048];
1008
1009// Make sure a path was passed
1010//
1011 if (!path) {errno = EFAULT; return -1;}
1012
1013// Return the results of a truncate of a Unix file system
1014//
1015 if (!(myPath = XrootPath.URL(path, buff, sizeof(buff))))
1016 return Xunix.Truncate64(path, offset);
1017
1018// Return the results of an truncate of an xrootd file system
1019//
1020 return Xroot.Truncate(myPath, offset);
1021}
1022}
1023
1024/******************************************************************************/
1025/* X r d P o s i x _ U n l i n k */
1026/******************************************************************************/
1027
1028extern "C"
1029{
1030int XrdPosix_Unlink(const char *path)
1031{
1032 char *myPath, buff[2048];
1033
1034// Make sure a path was passed
1035//
1036 if (!path) {errno = EFAULT; return -1;}
1037
1038// Return the result of a unlink of a Unix file
1039//
1040 if (!(myPath = XrootPath.URL(path, buff, sizeof(buff))))
1041 return Xunix.Unlink(path);
1042
1043// Return the results of an unlink of an xrootd file
1044//
1045 return Xroot.Unlink(myPath);
1046}
1047}
1048
1049/******************************************************************************/
1050/* X r d P o s i x _ W r i t e */
1051/******************************************************************************/
1052
1053extern "C"
1054{
1055long long XrdPosix_Write(int fildes, const void *buf, unsigned long long nbyte)
1056{
1057
1058// Return the results of the write
1059//
1060 return (Xroot.myFD(fildes) ? Xroot.Write(fildes, buf, nbyte)
1061 : Xunix.Write(fildes, buf, nbyte));
1062}
1063}
1064
1065/******************************************************************************/
1066/* X r d P o s i x _ W r i t e v */
1067/******************************************************************************/
1068
1069extern "C"
1070{
1071long long XrdPosix_Writev(int fildes, const struct iovec *iov, int iovcnt)
1072{
1073
1074// Return results of the writev
1075//
1076 return (Xroot.myFD(fildes) ? Xroot.Writev(fildes, iov, iovcnt)
1077 : Xunix.Writev(fildes, iov, iovcnt));
1078}
1079}
1080
1081/******************************************************************************/
1082/* X r d P o s i x _ i s M y P a t h */
1083/******************************************************************************/
1084
1085int XrdPosix_isMyPath(const char *path)
1086{
1087 return (0 != XrootPath.URL(path, 0, 0));
1088}
1089
1090/******************************************************************************/
1091/* X r d P o s i x _ U R L */
1092/******************************************************************************/
1093
1094char *XrdPosix_URL(const char *path, char *buff, int blen)
1095{
1096 return XrootPath.URL(path, buff, blen);
1097}
int statvfs64(const char *path, struct statvfs64 *buf)
int statfs64(const char *path, struct statfs64 *buf)
int stat64(const char *path, struct stat64 *buf)
int XrdPosix_Statfs(const char *path, struct statfs *buf)
Definition XrdPosix.cc:945
long long XrdPosix_Pread(int fildes, void *buf, unsigned long long nbyte, long long offset)
Definition XrdPosix.cc:718
long long XrdPosix_Write(int fildes, const void *buf, unsigned long long nbyte)
Definition XrdPosix.cc:1055
#define ISMODE(x)
Definition XrdPosix.cc:302
long long XrdPosix_Lseek(int fildes, long long offset, int whence)
Definition XrdPosix.cc:575
long long XrdPosix_Writev(int fildes, const struct iovec *iov, int iovcnt)
Definition XrdPosix.cc:1071
int XrdPosix_Closedir(DIR *dirp)
Definition XrdPosix.cc:187
int XrdPosix_Fsync(int fildes)
Definition XrdPosix.cc:449
static void fseterr(FILE *fp)
Definition XrdPosix.cc:64
int XrdPosix_isMyPath(const char *path)
Definition XrdPosix.cc:1085
long long XrdPosix_Ftello(FILE *stream)
Definition XrdPosix.cc:482
int XrdPosix_Open(const char *path, int oflag,...)
Definition XrdPosix.cc:642
void XrdPosix_Rewinddir(DIR *dirp)
Definition XrdPosix.cc:862
long long XrdPosix_Readv(int fildes, const struct iovec *iov, int iovcnt)
Definition XrdPosix.cc:768
int XrdPosix_Readdir64_r(DIR *dirp, struct dirent64 *entry, struct dirent64 **result)
Definition XrdPosix.cc:820
int XrdPosix_Close(int fildes)
Definition XrdPosix.cc:172
void XrdPosix_Seekdir(DIR *dirp, long loc)
Definition XrdPosix.cc:903
int XrdPosix_Rmdir(const char *path)
Definition XrdPosix.cc:878
int XrdPosix_Chdir(const char *path)
Definition XrdPosix.cc:155
int XrdPosix_Stat(const char *path, struct stat *buf)
Definition XrdPosix.cc:919
int XrdPosix_Rename(const char *oldpath, const char *newpath)
Definition XrdPosix.cc:836
int XrdPosix_Fcntl(int fd, int cmd,...)
Definition XrdPosix.cc:235
int XrdPosix_Fseek(FILE *stream, long offset, int whence)
Definition XrdPosix.cc:379
long XrdPosix_Ftell(FILE *stream)
Definition XrdPosix.cc:465
static void fseteof(FILE *fp)
Definition XrdPosix.cc:87
int XrdPosix_Readdir_r(DIR *dirp, struct dirent *entry, struct dirent **result)
Definition XrdPosix.cc:811
long long XrdPosix_Pwrite(int fildes, const void *buf, unsigned long long nbyte, long long offset)
Definition XrdPosix.cc:735
XrdPosixXrootd Xroot
Definition XrdPosix.cc:50
int XrdPosix_Mkdir(const char *path, mode_t mode)
Definition XrdPosix.cc:617
long long XrdPosix_Read(int fildes, void *buf, unsigned long long nbyte)
Definition XrdPosix.cc:752
int XrdPosix_Fflush(FILE *stream)
Definition XrdPosix.cc:286
DIR * XrdPosix_Opendir(const char *path)
Definition XrdPosix.cc:678
XrdPosixXrootPath XrootPath
Definition XrdPosix.cc:52
long XrdPosix_Telldir(DIR *dirp)
Definition XrdPosix.cc:989
int XrdPosix_Lstat(const char *path, struct stat *buf)
Definition XrdPosix.cc:591
int XrdPosix_Creat(const char *path, mode_t mode)
Definition XrdPosix.cc:201
int XrdPosix_Statvfs(const char *path, struct statvfs *buf)
Definition XrdPosix.cc:967
int XrdPosix_Acl(const char *path, int cmd, int nentries, void *aclbufp)
Definition XrdPosix.cc:141
int XrdPosix_Fstat(int fildes, struct stat *buf)
Definition XrdPosix.cc:415
XrdPosixLinkage Xunix
FILE * XrdPosix_Fopen(const char *path, const char *mode)
Definition XrdPosix.cc:306
size_t XrdPosix_Fwrite(const void *ptr, size_t size, size_t nitems, FILE *stream)
Definition XrdPosix.cc:515
int XrdPosix_Fclose(FILE *stream)
Definition XrdPosix.cc:215
int XrdPosix_Fdatasync(int fildes)
Definition XrdPosix.cc:254
int XrdPosix_Ftruncate(int fildes, long long offset)
Definition XrdPosix.cc:499
long XrdPosix_Pathconf(const char *path, int name)
Definition XrdPosix.cc:705
int XrdPosix_Truncate(const char *path, long long offset)
Definition XrdPosix.cc:1005
int XrdPosix_Unlink(const char *path)
Definition XrdPosix.cc:1030
char * XrdPosix_URL(const char *path, char *buff, int blen)
Definition XrdPosix.cc:1094
struct dirent64 * XrdPosix_Readdir64(DIR *dirp)
Definition XrdPosix.cc:795
size_t XrdPosix_Fread(void *ptr, size_t size, size_t nitems, FILE *stream)
Definition XrdPosix.cc:353
int XrdPosix_Fseeko(FILE *stream, long long offset, int whence)
Definition XrdPosix.cc:397
int XrdPosix_Access(const char *path, int amode)
Definition XrdPosix.cc:114
struct dirent * XrdPosix_Readdir(DIR *dirp)
Definition XrdPosix.cc:786
#define fseek(a, b, c)
Definition XrdPosix.hh:58
#define statvfs(a, b)
Definition XrdPosix.hh:105
#define stat(a, b)
Definition XrdPosix.hh:101
#define statfs(a, b)
Definition XrdPosix.hh:103
Retv_Opendir(* Opendir)(Args_Opendir)
Retv_Mkdir(* Mkdir)(Args_Mkdir)
Retv_Readdir64(* Readdir64)(Args_Readdir64)
Retv_Fflush(* Fflush)(Args_Fflush)
Retv_Fstat64(* Fstat64)(Args_Fstat64)
Retv_Fclose(* Fclose)(Args_Fclose)
Retv_Fseek(* Fseek)(Args_Fseek)
Retv_Fwrite(* Fwrite)(Args_Fwrite)
Retv_Acl(* Acl)(Args_Acl)
Retv_Writev(* Writev)(Args_Writev)
Retv_Read(* Read)(Args_Read)
Retv_Fsync(* Fsync)(Args_Fsync)
Retv_Rename(* Rename)(Args_Rename)
Retv_Close(* Close)(Args_Close)
Retv_Statfs64(* Statfs64)(Args_Statfs64)
Retv_Lgetxattr(* Lgetxattr)(Args_Lgetxattr)
Retv_Ftruncate64(* Ftruncate64)(Args_Ftruncate64)
Retv_Rewinddir(* Rewinddir)(Args_Rewinddir)
Retv_Readdir(* Readdir)(Args_Readdir)
Retv_Lseek64(* Lseek64)(Args_Lseek64)
Retv_Statvfs64(* Statvfs64)(Args_Statvfs64)
Retv_Truncate64(* Truncate64)(Args_Truncate64)
Retv_Ftell(* Ftell)(Args_Ftell)
Retv_Fread(* Fread)(Args_Fread)
Retv_Open64(* Open64)(Args_Open64)
Retv_Fopen64(* Fopen64)(Args_Fopen64)
Retv_Telldir(* Telldir)(Args_Telldir)
Retv_Fseeko64(* Fseeko64)(Args_Fseeko64)
Retv_Readv(* Readv)(Args_Readv)
Retv_Stat64(* Stat64)(Args_Stat64)
Retv_Pread64(* Pread64)(Args_Pread64)
Retv_Readdir64_r(* Readdir64_r)(Args_Readdir64_r)
Retv_Fcntl64(* Fcntl64)(Args_Fcntl64)
Retv_Seekdir(* Seekdir)(Args_Seekdir)
Retv_Lstat64(* Lstat64)(Args_Lstat64)
Retv_Chdir(* Chdir)(Args_Chdir)
Retv_Getxattr(* Getxattr)(Args_Getxattr)
Retv_Access(* Access)(Args_Access)
Retv_Closedir(* Closedir)(Args_Closedir)
Retv_Pathconf(* Pathconf)(Args_Pathconf)
Retv_Write(* Write)(Args_Write)
Retv_Readdir_r(* Readdir_r)(Args_Readdir_r)
Retv_Rmdir(* Rmdir)(Args_Rmdir)
Retv_Fgetxattr(* Fgetxattr)(Args_Fgetxattr)
Retv_Unlink(* Unlink)(Args_Unlink)
Retv_Pwrite64(* Pwrite64)(Args_Pwrite64)
Retv_Ftello64(* Ftello64)(Args_Ftello64)
char * URL(const char *path, char *buff, int blen)
void CWD(const char *path)
POSIX interface to XRootD with some extensions, as noted.
static ssize_t Readv(int fildes, const struct iovec *iov, int iovcnt)
Readv() conforms to POSIX.1-2001 readv()
static ssize_t Pread(int fildes, void *buf, size_t nbyte, off_t offset)
Pread() conforms to POSIX.1-2001 pread()
static int Closedir(DIR *dirp)
Closedir() conforms to POSIX.1-2001 closedir()
static void Seekdir(DIR *dirp, long loc)
Seekdir() conforms to POSIX.1-2001 seekdir()
static const int isStream
static int Stat(const char *path, struct stat *buf)
Stat() conforms to POSIX.1-2001 stat()
static int Mkdir(const char *path, mode_t mode)
Mkdir() conforms to POSIX.1-2001 mkdir()
static int Unlink(const char *path)
Unlink() conforms to POSIX.1-2001 unlink()
static int Rmdir(const char *path)
Rmdir() conforms to POSIX.1-2001 rmdir()
static void Rewinddir(DIR *dirp)
Rewinddir() conforms to POSIX.1-2001 rewinddir()
static int Rename(const char *oldpath, const char *newpath)
Rename() conforms to POSIX.1-2001 rename()
static int Close(int fildes)
Close() conforms to POSIX.1-2001 close()
static int Statvfs(const char *path, struct statvfs *buf)
Statvfs() conforms to POSIX.1-2001 statvfs()
static ssize_t Write(int fildes, const void *buf, size_t nbyte)
Write() conforms to POSIX.1-2001 write()
static struct dirent * Readdir(DIR *dirp)
static int Readdir_r(DIR *dirp, struct dirent *entry, struct dirent **result)
static ssize_t Writev(int fildes, const struct iovec *iov, int iovcnt)
Writev() conforms to POSIX.1-2001 writev()
static struct dirent64 * Readdir64(DIR *dirp)
static bool myFD(int fd)
static int Ftruncate(int fildes, off_t offset)
Ftruncate() conforms to POSIX.1-2001 ftruncate()
static long Telldir(DIR *dirp)
Telldir() conforms to POSIX.1-2001 telldir()
static bool isXrootdDir(DIR *dirp)
static int Access(const char *path, int amode)
Access() conforms to POSIX.1-2001 access()
static DIR * Opendir(const char *path)
Opendir() conforms to POSIX.1-2001 opendir()
static int Fsync(int fildes)
Fsync() conforms to POSIX.1-2001 fsync()
static long long Getxattr(const char *path, const char *name, void *value, unsigned long long size)
static int Statfs(const char *path, struct statfs *buf)
static int Readdir64_r(DIR *dirp, struct dirent64 *entry, struct dirent64 **result)
static ssize_t Read(int fildes, void *buf, size_t nbyte)
Read() conforms to POSIX.1-2001 read()
static int Fstat(int fildes, struct stat *buf)
Fstat() conforms to POSIX.1-2001 fstat()
static off_t Lseek(int fildes, off_t offset, int whence)
Lseek() conforms to POSIX.1-2001 lseek()
static int Open(const char *path, int oflag, mode_t mode=0, XrdPosixCallBack *cbP=0)
static ssize_t Pwrite(int fildes, const void *buf, size_t nbyte, off_t offset)
Pwrite() conforms to POSIX.1-2001 pwrite()
static int Truncate(const char *path, off_t offset)
Telldir() conforms to POSIX.1-2001 telldir()