Thread: [Libsysio-commit] HEAD: libsysio/tests test_acopy.c Makefile.am
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From: Lee W. <lw...@us...> - 2014-09-12 00:29:16
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Update of /cvsroot/libsysio/libsysio/tests In directory sfp-cvs-1.v30.ch3.sourceforge.com:/tmp/cvs-serv20116 Modified Files: Makefile.am Added Files: test_acopy.c Log Message: Added asynchronous IO copy file test and changed the Makefile to build it.. --- NEW FILE --- /* * This Cplant(TM) source code is the property of Sandia National * Laboratories. * * This Cplant(TM) source code is copyrighted by Sandia National * Laboratories. * * The redistribution of this Cplant(TM) source code is subject to the * terms of the GNU Lesser General Public License * (see cit/LGPL or http://www.gnu.org/licenses/lgpl.html) * * Cplant(TM) Copyright 1998-2014 Sandia Corporation. * Under the terms of Contract DE-AC04-94AL85000, there is a non-exclusive * license for use of this work by or on behalf of the US Government. * Export of this program may require a license from the United States * Government. */ /* * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * Questions or comments about this library should be sent to: * * Lee Ward * Sandia National Laboratories, New Mexico * P.O. Box 5800 * Albuquerque, NM 87185-1110 * * le...@sa... */ #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <errno.h> #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> #include <sys/uio.h> #include <sys/queue.h> #include <getopt.h> #if defined(SYSIO_LABEL_NAMES) #include "sysio.h" #endif #include "xtio.h" #include "test.h" /* * Copy one file to another. * * Usage: test_copy [-o] <src> <dest> * * Destination will not be overwritten if it already exist. */ static int overwrite = 0; /* over-write? */ static unsigned nrqst = 8; static size_t bufsiz = 64 * 1024; void usage(void); int copy_file(const char *spath, const char *dpath); int main(int argc, char * const argv[]) { int i; int err; const char *spath, *dpath; /* * Parse command-line args. */ while ((i = getopt(argc, argv, "o" )) != -1) switch (i) { case 'o': overwrite = 1; break; default: usage(); } if (!(argc - optind)) usage(); err = _test_sysio_startup(); if (err) { errno = -err; perror("sysio startup"); exit(1); } /* * Source */ spath = argv[optind++]; if (!(argc - optind)) usage(); /* * Destination */ dpath = argv[optind++]; if (argc - optind) usage(); err = copy_file(spath, dpath); _test_sysio_shutdown(); return err; } void usage() { (void )fprintf(stderr, "Usage: test_copy " " source destination\n"); exit(1); } int open_file(const char *path, int flags, mode_t mode) { int fd; fd = SYSIO_INTERFACE_NAME(open)(path, flags, mode); if (fd < 0) perror(path); return fd; } static long gcd(long a, long b) { long c; if (a < 0) a = -a; if (b < 0) b = -b; if (a < b) { c = a; a = b; b = c; } while ((c = a % b)) { a = b; b = c; } return b; } static long lcm(long a, long b) { if (a < 0) a = -a; if (b < 0) b = -b; a /= gcd(a, b); if (LONG_MAX / a < b) { errno = ERANGE; return -1; } return a * b; } struct request { const char *path; int fd; char *buf; size_t len; size_t remain; off_t off; ioid_t ioid; }; int copy_file(const char *spath, const char *dpath) { int sfd, dfd; int flags; int rtn; struct stat stat; long l; size_t siz, tmp; off_t tail, nxttail; struct request *requests, *rqst; unsigned n, u, count, nxtu; ssize_t cc; ioid_t (*f)(int, void *, size_t, off_t); sfd = dfd = -1; requests = NULL; rtn = -1; sfd = open_file(spath, O_RDONLY, 0); if (sfd < 0) goto out; flags = O_CREAT|O_WRONLY; if (!overwrite) flags |= O_EXCL; dfd = open_file(dpath, flags, 0666); if (dfd < 0) goto out; rtn = SYSIO_INTERFACE_NAME(fstat)(dfd, &stat); if (rtn != 0) { perror(dpath); goto out; } l = (long )stat.st_blksize; rtn = SYSIO_INTERFACE_NAME(fstat)(sfd, &stat); if (rtn != 0) { perror(dpath); goto out; } if ((l = lcm(l, (long )stat.st_blksize)) < 0 || (l = lcm(l, (long )bufsiz)) < 0) { perror("Can't calculate required buffer size"); goto out; } siz = l; if (siz != bufsiz) (void )fprintf(stderr, "Buffer size reset to %zu\n", siz); requests = malloc(nrqst * sizeof(struct request)); if (requests == NULL) { perror(dpath); goto out; } count = 0; tail = 0; n = nrqst; for (u = 0, rqst = requests; u < n; u++, rqst++) { if (!(tail < stat.st_size)) break; rqst->buf = malloc(siz); if (rqst->buf == NULL) { perror("Cannot allocate request buffer"); break; } rqst->fd = sfd; rqst->remain = rqst->len = siz; rqst->off = tail; tail += siz; rqst->ioid = SYSIO_INTERFACE_NAME(ipread)(rqst->fd, rqst->buf, siz, rqst->off); if (rqst->ioid == IOID_FAIL) { perror(spath); break; } count++; } n = u; nxtu = 0; while (count) { u = nxtu++; if (!(nxtu < n)) nxtu = 0; rqst = &requests[u]; if (rqst->ioid == IOID_FAIL) continue; if (!SYSIO_INTERFACE_NAME(iodone)(rqst->ioid)) continue; cc = SYSIO_INTERFACE_NAME(iowait)(rqst->ioid); count--; rqst->ioid = IOID_FAIL; if (cc < 0) { perror(rqst->fd == sfd ? spath : dpath); continue; } nxttail = tail; rqst->remain -= (size_t )cc; if (rqst->fd == dfd) { do { if (rqst->remain) break; rqst->fd = sfd; rqst->remain = rqst->len = siz; rqst->off = tail; nxttail += siz; } while (0); if (!(rqst->off < stat.st_size)) { assert(rqst->fd == sfd); continue; } } else { assert(rqst->fd == sfd); if (!(cc || rqst->len - rqst->remain)) continue; do { if (rqst->remain && cc) break; rqst->fd = dfd; rqst->remain = rqst->len = siz - rqst->remain; } while (0); } tmp = rqst->len - rqst->remain; if (rqst->fd == sfd) f = (ioid_t (*)(int, void *, size_t, off_t))SYSIO_INTERFACE_NAME(ipread); else f = (ioid_t (*)(int, void *, size_t, off_t))SYSIO_INTERFACE_NAME(ipwrite); rqst->ioid = (*f)(rqst->fd, (char *)rqst->buf + tmp, rqst->remain, rqst->off + tmp); if (rqst->ioid == IOID_FAIL) { perror(rqst->fd == sfd ? spath : dpath); assert(0); continue; } tail = nxttail; count++; } out: if (requests != NULL) { for (u = 0, rqst = requests; u < n; u++, rqst++) { assert(rqst->ioid == IOID_FAIL); free(rqst->buf); } free(requests); } if (sfd >= 0 && SYSIO_INTERFACE_NAME(close)(sfd) != 0) perror(spath); if (dfd >= 0 && (SYSIO_INTERFACE_NAME(fsync)(dfd) != 0 || SYSIO_INTERFACE_NAME(close)(dfd) != 0)) perror(dpath); return 0; } Index: Makefile.am =================================================================== RCS file: /cvsroot/libsysio/libsysio/tests/Makefile.am,v retrieving revision 1.36 retrieving revision 1.37 diff -u -w -b -B -p -r1.36 -r1.37 --- Makefile.am 17 Aug 2009 23:37:08 -0000 1.36 +++ Makefile.am 12 Sep 2014 00:29:11 -0000 1.37 @@ -12,7 +12,7 @@ else FHI_PROG= endif -noinst_PROGRAMS = test_copy test_stats test_path test_list \ +noinst_PROGRAMS = test_copy test_acopy test_stats test_path test_list \ test_getcwd test_link test_unlink test_symlink \ test_rename test_regions test_stddir test_fcntl_lock test_mknod \ test_mkdir test_chown $(STATVFS_PROG) $(FHI_PROG) @@ -51,6 +51,10 @@ test_copy_SOURCES=test_copy.c $(CMNSRC) test_copy_CFLAGS=$(CFL) test_copy_DEPENDENCIES=$(LIBS) +test_acopy_SOURCES=test_acopy.c $(CMNSRC) +test_acopy_CFLAGS=$(CFL) +test_acopy_DEPENDENCIES=$(LIBS) + test_stats_SOURCES=test_stats.c $(CMNSRC) test_stats_CFLAGS=$(CFL) test_stats_DEPENDENCIES=$(LIBS) |
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