XRootD
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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_APPEND;
323 else if (ISMODE("r+") || ISMODE("rb+") || ISMODE("r+b")) omode = O_RDWR;
324 else if (ISMODE("w+") || ISMODE("wb+") || ISMODE("w+b")) omode = O_RDWR
325 | O_CREAT | O_TRUNC;
326 else if (ISMODE("a+") || ISMODE("ab+") || ISMODE("a+b")) omode = O_APPEND;
327 else {errno = EINVAL; return 0;}
328
329// Now open the file
330//
331 if ((fd = Xroot.Open(myPath, omode | XrdPosixXrootd::isStream , 0)) < 0)
332 return 0;
333
334// First obtain a free stream
335//
336 if (!(stream = fdopen(fd, mode)))
337 {erc = errno; Xroot.Close(fd); errno = erc;}
338
339// All done
340//
341 return stream;
342}
343}
344
345/******************************************************************************/
346/* X r d P o s i x _ F r e a d */
347/******************************************************************************/
348
349extern "C"
350{
351size_t XrdPosix_Fread(void *ptr, size_t size, size_t nitems, FILE *stream)
352{
353 ssize_t bytes;
354 size_t rc = 0;
355 int fd = fileno(stream);
356
357 if (!Xroot.myFD(fd)) return Xunix.Fread(ptr, size, nitems, stream);
358
359 bytes = Xroot.Read(fd, ptr, size*nitems);
360
361// Get the right return code. Note that we cannot emulate the flags in sunx86
362//
363 if (bytes > 0 && size) rc = bytes/size;
364 else if (bytes < 0) fseterr(stream);
365 else fseteof(stream);
366
367 return rc;
368}
369}
370
371/******************************************************************************/
372/* X r d P o s i x _ F s e e k */
373/******************************************************************************/
374
375extern "C"
376{
377int XrdPosix_Fseek(FILE *stream, long offset, int whence)
378{
379
380// Return the result of the fseek
381//
382 if (!Xroot.myFD(fileno(stream)))
383 return Xunix.Fseek( stream, offset, whence);
384
385 return (Xroot.Lseek(fileno(stream), offset, whence) < 0 ? -1 : 0);
386}
387}
388
389/******************************************************************************/
390/* X r d P o s i x _ F s e e k o */
391/******************************************************************************/
392
393extern "C"
394{
395int XrdPosix_Fseeko(FILE *stream, long long offset, int whence)
396{
397
398// Return the result of the fseek
399//
400 if (!Xroot.myFD(fileno(stream)))
401 return Xunix.Fseeko64(stream, offset, whence);
402
403 return (Xroot.Lseek(fileno(stream), offset, whence) < 0 ? -1 : 0);
404}
405}
406
407/******************************************************************************/
408/* X r d P o s i x _ F s t a t */
409/******************************************************************************/
410
411extern "C"
412{
413int XrdPosix_Fstat(int fildes, struct stat *buf)
414{
415
416// Return result of the close
417//
418 return (Xroot.myFD(fildes)
419 ? Xroot.Fstat(fildes, buf)
420#if defined(__linux__) and defined(_STAT_VER)
421 : Xunix.Fstat64(_STAT_VER, fildes, (struct stat64 *)buf));
422#else
423 : Xunix.Fstat64( fildes, (struct stat64 *)buf));
424#endif
425}
426
427#ifdef __linux__
428int XrdPosix_FstatV(int ver, int fildes, struct stat *buf)
429{
430 return (Xroot.myFD(fildes)
431 ? Xroot.Fstat(fildes, buf)
432#ifdef _STAT_VER
433 : Xunix.Fstat64(ver, fildes, (struct stat64 *)buf));
434#else
435 : Xunix.Fstat64( fildes, (struct stat64 *)buf));
436#endif
437}
438#endif
439}
440
441/******************************************************************************/
442/* X r d P o s i x _ F s y n c */
443/******************************************************************************/
444
445extern "C"
446{
447int XrdPosix_Fsync(int fildes)
448{
449
450// Return the result of the sync
451//
452 return (Xroot.myFD(fildes) ? Xroot.Fsync(fildes)
453 : Xunix.Fsync(fildes));
454}
455}
456
457/******************************************************************************/
458/* X r d P o s i x _ F t e l l */
459/******************************************************************************/
460
461extern "C"
462{
463long XrdPosix_Ftell(FILE *stream)
464{
465
466// Return the result of the tell
467//
468 if (!Xroot.myFD(fileno(stream))) return Xunix.Ftell(stream);
469
470 return static_cast<long>(Xroot.Lseek(fileno(stream), 0, SEEK_CUR));
471}
472}
473
474/******************************************************************************/
475/* X r d P o s i x _ F t e l l o */
476/******************************************************************************/
477
478extern "C"
479{
480long long XrdPosix_Ftello(FILE *stream)
481{
482
483// Return the result of the tell
484//
485 if (!Xroot.myFD(fileno(stream))) return Xunix.Ftello64(stream);
486
487 return Xroot.Lseek(fileno(stream), 0, SEEK_CUR);
488}
489}
490
491/******************************************************************************/
492/* X r d P o s i x _ F t r u n c a t e */
493/******************************************************************************/
494
495extern "C"
496{
497int XrdPosix_Ftruncate(int fildes, long long offset)
498{
499
500// Return the result of the ftruncate
501//
502 return (Xroot.myFD(fildes) ? Xroot.Ftruncate (fildes, offset)
503 : Xunix.Ftruncate64(fildes, offset));
504}
505}
506
507/******************************************************************************/
508/* X r d P o s i x _ F w r i t e */
509/******************************************************************************/
510
511extern "C"
512{
513size_t XrdPosix_Fwrite(const void *ptr, size_t size, size_t nitems, FILE *stream)
514{
515 size_t bytes, rc = 0;
516 int fd = fileno(stream);
517
518 if (!Xroot.myFD(fd)) return Xunix.Fwrite(ptr, size, nitems, stream);
519
520 bytes = Xroot.Write(fd, ptr, size*nitems);
521
522// Get the right return code.
523//
524 if (bytes > 0 && size) rc = bytes/size;
525 else fseterr(stream);
526
527 return rc;
528}
529}
530
531/******************************************************************************/
532/* X r d P o s i x _ G e t x a t t r */
533/******************************************************************************/
534
535#if defined(__linux__) || defined(__GNU__) || (defined(__FreeBSD_kernel__) && defined(__GLIBC__))
536extern "C"
537{
538long long XrdPosix_Getxattr (const char *path, const char *name, void *value,
539 unsigned long long size)
540{
541 char *myPath, buff[2048];
542
543 if (!(myPath = XrootPath.URL(path, buff, sizeof(buff))))
544 return Xunix.Getxattr(path, name, value, size);
545
546 return Xroot.Getxattr(myPath, name, value, size);
547}
548}
549#endif
550
551/******************************************************************************/
552/* X r d P o s i x _ L g e t x a t t r */
553/******************************************************************************/
554
555#if defined(__linux__) || defined(__GNU__) || (defined(__FreeBSD_kernel__) && defined(__GLIBC__))
556extern "C"
557{
558long long XrdPosix_Lgetxattr (const char *path, const char *name, void *value,
559 unsigned long long size)
560{
561 if (XrootPath.URL(path, 0, 0)) {errno = ENOTSUP; return -1;}
562 return Xunix.Lgetxattr(path, name, value, size);
563}
564}
565#endif
566
567/******************************************************************************/
568/* X r d P o s i x _ L s e e k */
569/******************************************************************************/
570
571extern "C"
572{
573long long XrdPosix_Lseek(int fildes, long long offset, int whence)
574{
575
576// Return the operation of the seek
577//
578 return (Xroot.myFD(fildes) ? Xroot.Lseek (fildes, offset, whence)
579 : Xunix.Lseek64(fildes, offset, whence));
580}
581}
582
583/******************************************************************************/
584/* X r d P o s i x _ L s t a t */
585/******************************************************************************/
586
587extern "C"
588{
589int XrdPosix_Lstat(const char *path, struct stat *buf)
590{
591 char *myPath, buff[2048];
592
593// Make sure a path was passed
594//
595 if (!path) {errno = EFAULT; return -1;}
596
597// Return the results of an open of a Unix file
598//
599 return (!(myPath = XrootPath.URL(path, buff, sizeof(buff)))
600#if defined(__linux__) and defined(_STAT_VER)
601 ? Xunix.Lstat64(_STAT_VER, path, (struct stat64 *)buf)
602#else
603 ? Xunix.Lstat64( path, (struct stat64 *)buf)
604#endif
605 : Xroot.Stat(myPath, buf));
606}
607}
608
609/******************************************************************************/
610/* X r d P o s i x _ M k d i r */
611/******************************************************************************/
612
613extern "C"
614{
615int XrdPosix_Mkdir(const char *path, mode_t mode)
616{
617 char *myPath, buff[2048];
618
619// Make sure a path was passed
620//
621 if (!path) {errno = EFAULT; return -1;}
622
623// Return the results of a mkdir of a Unix file system
624//
625 if (!(myPath = XrootPath.URL(path, buff, sizeof(buff))))
626 return Xunix.Mkdir(path, mode);
627
628// Return the results of an mkdir of an xrootd file system
629//
630 return Xroot.Mkdir(myPath, mode);
631}
632}
633
634/******************************************************************************/
635/* X r d P o s i x _ O p e n */
636/******************************************************************************/
637
638extern "C"
639{
640int XrdPosix_Open(const char *path, int oflag, ...)
641{
642 char *myPath, buff[2048];
643 va_list ap;
644 int mode;
645
646// Make sure a path was passed
647//
648 if (!path) {errno = EFAULT; return -1;}
649
650// Return the results of an open of a Unix file
651//
652 if (!(myPath = XrootPath.URL(path, buff, sizeof(buff))))
653 {if (!(oflag & O_CREAT)) return Xunix.Open64(path, oflag);
654 va_start(ap, oflag);
655 mode = va_arg(ap, int);
656 va_end(ap);
657 return Xunix.Open64(path, oflag, (mode_t)mode);
658 }
659
660// Return the results of an open of an xrootd file
661//
662 if (!(oflag & O_CREAT)) return Xroot.Open(myPath, oflag);
663 va_start(ap, oflag);
664 mode = va_arg(ap, int);
665 va_end(ap);
666 return Xroot.Open(myPath, oflag, (mode_t)mode);
667}
668}
669
670/******************************************************************************/
671/* X r d P o s i x _ O p e n d i r */
672/******************************************************************************/
673
674extern "C"
675{
676DIR* XrdPosix_Opendir(const char *path)
677{
678 char *myPath, buff[2048];
679
680// Make sure a path was passed
681//
682 if (!path) {errno = EFAULT; return 0;}
683
684// Unix opendir
685//
686 if (!(myPath = XrootPath.URL(path, buff, sizeof(buff))))
687 return Xunix.Opendir(path);
688
689// Xrootd opendir
690//
691 return Xroot.Opendir(myPath);
692}
693}
694
695/******************************************************************************/
696/* X r d P o s i x _ P a t h c o n f */
697/******************************************************************************/
698
699// This is a required addition for Solaris 10+ systems
700
701extern "C"
702{
703long XrdPosix_Pathconf(const char *path, int name)
704{
705 return (XrootPath.URL(path, 0, 0) ? Xunix.Pathconf("/tmp", name)
706 : Xunix.Pathconf(path, name));
707}
708}
709
710/******************************************************************************/
711/* X r d P o s i x _ P r e a d */
712/******************************************************************************/
713
714extern "C"
715{
716long long XrdPosix_Pread(int fildes, void *buf, unsigned long long nbyte,
717 long long offset)
718{
719
720// Return the results of the read
721//
722 return (Xroot.myFD(fildes) ? Xroot.Pread (fildes, buf, nbyte, offset)
723 : Xunix.Pread64(fildes, buf, nbyte, offset));
724}
725}
726
727/******************************************************************************/
728/* X r d P o s i x _ P w r i t e */
729/******************************************************************************/
730
731extern "C"
732{
733long long XrdPosix_Pwrite(int fildes, const void *buf, unsigned long long nbyte,
734 long long offset)
735{
736
737// Return the results of the write
738//
739 return (Xroot.myFD(fildes) ? Xroot.Pwrite (fildes, buf, nbyte, offset)
740 : Xunix.Pwrite64(fildes, buf, nbyte, offset));
741}
742}
743
744/******************************************************************************/
745/* X r d P o s i x _ R e a d */
746/******************************************************************************/
747
748extern "C"
749{
750long long XrdPosix_Read(int fildes, void *buf, unsigned long long nbyte)
751{
752
753// Return the results of the read
754//
755 return (Xroot.myFD(fildes) ? Xroot.Read(fildes, buf, nbyte)
756 : Xunix.Read(fildes, buf, nbyte));
757}
758}
759
760/******************************************************************************/
761/* X r d P o s i x _ R e a d v */
762/******************************************************************************/
763
764extern "C"
765{
766long long XrdPosix_Readv(int fildes, const struct iovec *iov, int iovcnt)
767{
768
769// Return results of the readv
770//
771 return (Xroot.myFD(fildes) ? Xroot.Readv(fildes, iov, iovcnt)
772 : Xunix.Readv(fildes, iov, iovcnt));
773}
774}
775
776/******************************************************************************/
777/* X r d P o s i x _ R e a d d i r */
778/******************************************************************************/
779
780extern "C"
781{
782// On some platforms both 32- and 64-bit versions are callable. so do the same
783//
784struct dirent * XrdPosix_Readdir (DIR *dirp)
785{
786
787// Return result of readdir
788//
789 return (Xroot.isXrootdDir(dirp) ? Xroot.Readdir(dirp)
790 : Xunix.Readdir(dirp));
791}
792
793struct dirent64 * XrdPosix_Readdir64(DIR *dirp)
794{
795
796// Return result of readdir
797//
798 return (Xroot.isXrootdDir(dirp) ? Xroot.Readdir64(dirp)
799 : Xunix.Readdir64(dirp));
800}
801}
802
803/******************************************************************************/
804/* X r d P o s i x _ R e a d d i r _ r */
805/******************************************************************************/
806
807extern "C"
808{
809int XrdPosix_Readdir_r(DIR *dirp, struct dirent *entry, struct dirent **result)
810{
811
812// Return result of readdir
813//
814 return (Xroot.isXrootdDir(dirp) ? Xroot.Readdir_r(dirp,entry,result)
815 : Xunix.Readdir_r(dirp,entry,result));
816}
817
818int XrdPosix_Readdir64_r(DIR *dirp, struct dirent64 *entry, struct dirent64 **result)
819{
820
821// Return result of readdir
822//
823 return (Xroot.isXrootdDir(dirp) ? Xroot.Readdir64_r(dirp,entry,result)
824 : Xunix.Readdir64_r(dirp,entry,result));
825}
826}
827
828/******************************************************************************/
829/* X r d P o s i x _ R e n a m e */
830/******************************************************************************/
831
832extern "C"
833{
834int XrdPosix_Rename(const char *oldpath, const char *newpath)
835{
836 char *oldPath, buffold[2048], *newPath, buffnew[2048];
837
838// Make sure a path was passed
839//
840 if (!oldpath || !newpath) {errno = EFAULT; return -1;}
841
842// Return the results of a mkdir of a Unix file system
843//
844 if (!(oldPath = XrootPath.URL(oldpath, buffold, sizeof(buffold)))
845 || !(newPath = XrootPath.URL(newpath, buffnew, sizeof(buffnew))))
846 return Xunix.Rename(oldpath, newpath);
847
848// Return the results of an mkdir of an xrootd file system
849//
850 return Xroot.Rename(oldPath, newPath);
851}
852}
853
854/******************************************************************************/
855/* X r d P o s i x _ R e w i n d d i r */
856/******************************************************************************/
857
858extern "C"
859{
860void XrdPosix_Rewinddir(DIR *dirp)
861{
862
863// Return result of rewind
864//
865 return (Xroot.isXrootdDir(dirp) ? Xroot.Rewinddir(dirp)
866 : Xunix.Rewinddir(dirp));
867}
868}
869
870/******************************************************************************/
871/* X r d P o s i x _ R m d i r */
872/******************************************************************************/
873
874extern "C"
875{
876int XrdPosix_Rmdir(const char *path)
877{
878 char *myPath, buff[2048];
879
880// Make sure a path was passed
881//
882 if (!path) {errno = EFAULT; return -1;}
883
884// Return the results of a mkdir of a Unix file system
885//
886 if (!(myPath = XrootPath.URL(path, buff, sizeof(buff))))
887 return Xunix.Rmdir(path);
888
889// Return the results of an mkdir of an xrootd file system
890//
891 return Xroot.Rmdir(myPath);
892}
893}
894
895/******************************************************************************/
896/* X r d P o s i x _ S e e k d i r */
897/******************************************************************************/
898
899extern "C"
900{
901void XrdPosix_Seekdir(DIR *dirp, long loc)
902{
903
904// Call seekdir
905//
906 (Xroot.isXrootdDir(dirp) ? Xroot.Seekdir(dirp, loc)
907 : Xunix.Seekdir(dirp, loc));
908}
909}
910
911/******************************************************************************/
912/* X r d P o s i x _ S t a t */
913/******************************************************************************/
914
915extern "C"
916{
917int XrdPosix_Stat(const char *path, struct stat *buf)
918{
919 char *myPath, buff[2048];
920
921// Make sure a path was passed
922//
923 if (!path) {errno = EFAULT; return -1;}
924
925// Return the results of an open of a Unix file
926//
927 return (!(myPath = XrootPath.URL(path, buff, sizeof(buff)))
928#if defined(__linux__) and defined(_STAT_VER)
929 ? Xunix.Stat64(_STAT_VER, path, (struct stat64 *)buf)
930#else
931 ? Xunix.Stat64( path, (struct stat64 *)buf)
932#endif
933 : Xroot.Stat(myPath, buf));
934}
935}
936
937/******************************************************************************/
938/* X r d P o s i x _ S t a t f s */
939/******************************************************************************/
940
941extern "C"
942{
943int XrdPosix_Statfs(const char *path, struct statfs *buf)
944{
945 char *myPath, buff[2048];
946
947// Make sure a path was passed
948//
949 if (!path) {errno = EFAULT; return -1;}
950
951// Return the results of an open of a Unix file
952//
953 return ((myPath = XrootPath.URL(path, buff, sizeof(buff)))
954 ? Xroot.Statfs(myPath, buf)
955 : Xunix.Statfs64(path, (struct statfs64 *)buf));
956}
957}
958
959/******************************************************************************/
960/* X r d P o s i x _ S t a t v f s */
961/******************************************************************************/
962
963extern "C"
964{
965int XrdPosix_Statvfs(const char *path, struct statvfs *buf)
966{
967 char *myPath, buff[2048];
968
969// Make sure a path was passed
970//
971 if (!path) {errno = EFAULT; return -1;}
972
973// Return the results of an open of a Unix file
974//
975 return ((myPath = XrootPath.URL(path, buff, sizeof(buff)))
976 ? Xroot.Statvfs(myPath, buf)
977 : Xunix.Statvfs64(path, (struct statvfs64 *)buf));
978}
979}
980
981/******************************************************************************/
982/* X r d P o s i x _ T e l l d i r */
983/******************************************************************************/
984
985extern "C"
986{
987long XrdPosix_Telldir(DIR *dirp)
988{
989
990// Return result of telldir
991//
992 return (Xroot.isXrootdDir(dirp) ? Xroot.Telldir(dirp)
993 : Xunix.Telldir(dirp));
994}
995}
996
997/******************************************************************************/
998/* X r d P o s i x _ T r u n c a t e */
999/******************************************************************************/
1000
1001extern "C"
1002{
1003int XrdPosix_Truncate(const char *path, long long offset)
1004{
1005 char *myPath, buff[2048];
1006
1007// Make sure a path was passed
1008//
1009 if (!path) {errno = EFAULT; return -1;}
1010
1011// Return the results of a truncate of a Unix file system
1012//
1013 if (!(myPath = XrootPath.URL(path, buff, sizeof(buff))))
1014 return Xunix.Truncate64(path, offset);
1015
1016// Return the results of an truncate of an xrootd file system
1017//
1018 return Xroot.Truncate(myPath, offset);
1019}
1020}
1021
1022/******************************************************************************/
1023/* X r d P o s i x _ U n l i n k */
1024/******************************************************************************/
1025
1026extern "C"
1027{
1028int XrdPosix_Unlink(const char *path)
1029{
1030 char *myPath, buff[2048];
1031
1032// Make sure a path was passed
1033//
1034 if (!path) {errno = EFAULT; return -1;}
1035
1036// Return the result of a unlink of a Unix file
1037//
1038 if (!(myPath = XrootPath.URL(path, buff, sizeof(buff))))
1039 return Xunix.Unlink(path);
1040
1041// Return the results of an unlink of an xrootd file
1042//
1043 return Xroot.Unlink(myPath);
1044}
1045}
1046
1047/******************************************************************************/
1048/* X r d P o s i x _ W r i t e */
1049/******************************************************************************/
1050
1051extern "C"
1052{
1053long long XrdPosix_Write(int fildes, const void *buf, unsigned long long nbyte)
1054{
1055
1056// Return the results of the write
1057//
1058 return (Xroot.myFD(fildes) ? Xroot.Write(fildes, buf, nbyte)
1059 : Xunix.Write(fildes, buf, nbyte));
1060}
1061}
1062
1063/******************************************************************************/
1064/* X r d P o s i x _ W r i t e v */
1065/******************************************************************************/
1066
1067extern "C"
1068{
1069long long XrdPosix_Writev(int fildes, const struct iovec *iov, int iovcnt)
1070{
1071
1072// Return results of the writev
1073//
1074 return (Xroot.myFD(fildes) ? Xroot.Writev(fildes, iov, iovcnt)
1075 : Xunix.Writev(fildes, iov, iovcnt));
1076}
1077}
1078
1079/******************************************************************************/
1080/* X r d P o s i x _ i s M y P a t h */
1081/******************************************************************************/
1082
1083int XrdPosix_isMyPath(const char *path)
1084{
1085 return (0 != XrootPath.URL(path, 0, 0));
1086}
1087
1088/******************************************************************************/
1089/* X r d P o s i x _ U R L */
1090/******************************************************************************/
1091
1092char *XrdPosix_URL(const char *path, char *buff, int blen)
1093{
1094 return XrootPath.URL(path, buff, blen);
1095}
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:943
long long XrdPosix_Pread(int fildes, void *buf, unsigned long long nbyte, long long offset)
Definition XrdPosix.cc:716
long long XrdPosix_Write(int fildes, const void *buf, unsigned long long nbyte)
Definition XrdPosix.cc:1053
#define ISMODE(x)
Definition XrdPosix.cc:302
long long XrdPosix_Lseek(int fildes, long long offset, int whence)
Definition XrdPosix.cc:573
long long XrdPosix_Writev(int fildes, const struct iovec *iov, int iovcnt)
Definition XrdPosix.cc:1069
int XrdPosix_Closedir(DIR *dirp)
Definition XrdPosix.cc:187
int XrdPosix_Fsync(int fildes)
Definition XrdPosix.cc:447
static void fseterr(FILE *fp)
Definition XrdPosix.cc:64
int XrdPosix_isMyPath(const char *path)
Definition XrdPosix.cc:1083
long long XrdPosix_Ftello(FILE *stream)
Definition XrdPosix.cc:480
int XrdPosix_Open(const char *path, int oflag,...)
Definition XrdPosix.cc:640
void XrdPosix_Rewinddir(DIR *dirp)
Definition XrdPosix.cc:860
long long XrdPosix_Readv(int fildes, const struct iovec *iov, int iovcnt)
Definition XrdPosix.cc:766
int XrdPosix_Readdir64_r(DIR *dirp, struct dirent64 *entry, struct dirent64 **result)
Definition XrdPosix.cc:818
int XrdPosix_Close(int fildes)
Definition XrdPosix.cc:172
void XrdPosix_Seekdir(DIR *dirp, long loc)
Definition XrdPosix.cc:901
int XrdPosix_Rmdir(const char *path)
Definition XrdPosix.cc:876
int XrdPosix_Chdir(const char *path)
Definition XrdPosix.cc:155
int XrdPosix_Stat(const char *path, struct stat *buf)
Definition XrdPosix.cc:917
int XrdPosix_Rename(const char *oldpath, const char *newpath)
Definition XrdPosix.cc:834
int XrdPosix_Fcntl(int fd, int cmd,...)
Definition XrdPosix.cc:235
int XrdPosix_Fseek(FILE *stream, long offset, int whence)
Definition XrdPosix.cc:377
long XrdPosix_Ftell(FILE *stream)
Definition XrdPosix.cc:463
static void fseteof(FILE *fp)
Definition XrdPosix.cc:87
int XrdPosix_Readdir_r(DIR *dirp, struct dirent *entry, struct dirent **result)
Definition XrdPosix.cc:809
long long XrdPosix_Pwrite(int fildes, const void *buf, unsigned long long nbyte, long long offset)
Definition XrdPosix.cc:733
XrdPosixXrootd Xroot
Definition XrdPosix.cc:50
int XrdPosix_Mkdir(const char *path, mode_t mode)
Definition XrdPosix.cc:615
long long XrdPosix_Read(int fildes, void *buf, unsigned long long nbyte)
Definition XrdPosix.cc:750
int XrdPosix_Fflush(FILE *stream)
Definition XrdPosix.cc:286
DIR * XrdPosix_Opendir(const char *path)
Definition XrdPosix.cc:676
XrdPosixXrootPath XrootPath
Definition XrdPosix.cc:52
long XrdPosix_Telldir(DIR *dirp)
Definition XrdPosix.cc:987
int XrdPosix_Lstat(const char *path, struct stat *buf)
Definition XrdPosix.cc:589
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:965
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:413
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:513
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:497
long XrdPosix_Pathconf(const char *path, int name)
Definition XrdPosix.cc:703
int XrdPosix_Truncate(const char *path, long long offset)
Definition XrdPosix.cc:1003
int XrdPosix_Unlink(const char *path)
Definition XrdPosix.cc:1028
char * XrdPosix_URL(const char *path, char *buff, int blen)
Definition XrdPosix.cc:1092
struct dirent64 * XrdPosix_Readdir64(DIR *dirp)
Definition XrdPosix.cc:793
size_t XrdPosix_Fread(void *ptr, size_t size, size_t nitems, FILE *stream)
Definition XrdPosix.cc:351
int XrdPosix_Fseeko(FILE *stream, long long offset, int whence)
Definition XrdPosix.cc:395
int XrdPosix_Access(const char *path, int amode)
Definition XrdPosix.cc:114
struct dirent * XrdPosix_Readdir(DIR *dirp)
Definition XrdPosix.cc:784
#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()