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/*
* @(#)test5b.c 1.7 03/12/01 Connectathon Testsuite
* 1.3 Lachman ONC Test Suite source
*
* Test read - will read a file of specified size, contents not looked at
*
* Uses the following important system calls against the server:
*
* chdir()
* mkdir() (for initial directory creation if not -m)
* open()
* read()
* unlink()
*/
#if defined (DOS) || defined (WIN32)
/* If Dos, Windows or Win32 */
#define DOSorWIN32
#endif
#ifndef DOSorWIN32
#include <sys/param.h>
#include <unistd.h>
#endif
#include <sys/stat.h>
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <sys/types.h>
#ifdef DOSorWIN32
#include <time.h>
#else
#include <sys/time.h>
#endif
#ifdef MMAP
#include <sys/mman.h>
#endif
#include "../tests.h"
#ifndef MIN
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#endif
#define BUFSZ 8192
#define DSIZE 1048576
static int Tflag = 0; /* print timing */
static int Fflag = 0; /* test function only; set count to 1, negate -t */
static int Nflag = 0; /* Suppress directory operations */
static void
usage()
{
fprintf(stdout, "usage: %s [-htfn] [size count fname]\n", Myname);
fprintf(stdout, " Flags: h Help - print this usage info\n");
fprintf(stdout, " t Print execution time statistics\n");
fprintf(stdout, " f Test function only (negate -t)\n");
fprintf(stdout, " n Suppress test directory create operations\n");
}
main(argc, argv)
int argc;
char *argv[];
{
int count = DCOUNT; /* times to do each file */
int ct;
off_t size = DSIZE;
off_t si;
int fd;
off_t bytes = 0;
int roflags; /* open read-only flags */
char *bigfile = "bigfile";
struct timeval time;
char *opts;
char buf[BUFSZ];
double etime;
#ifdef MMAP
caddr_t maddr;
#endif
umask(0);
setbuf(stdout, NULL);
Myname = *argv++;
argc--;
while (argc && **argv == '-') {
for (opts = &argv[0][1]; *opts; opts++) {
switch (*opts) {
case 'h': /* help */
usage();
exit(1);
break;
case 't': /* time */
Tflag++;
break;
case 'f': /* funtionality */
Fflag++;
break;
case 'n': /* No Test Directory create */
Nflag++;
break;
default:
error("unknown option '%c'", *opts);
usage();
exit(1);
}
}
argc--;
argv++;
}
if (argc) {
size = getparm(*argv, 1, "size");
if (size <= 0) {
usage();
exit(1);
}
argv++;
argc--;
}
if (argc) {
count = getparm(*argv, 1, "count");
if (count <= 0) {
usage();
exit(1);
}
argv++;
argc--;
}
if (argc) {
bigfile = *argv;
argv++;
argc--;
}
if (argc) {
usage();
exit(1);
}
if (Fflag) {
Tflag = 0;
count = 1;
}
roflags = O_RDONLY;
#ifdef DOSorWIN32
roflags |= O_BINARY;
#endif
fprintf(stdout, "%s: read\n", Myname);
mtestdir(NULL);
if (Tflag) {
starttime();
}
for (ct = 0; ct < count; ct++) {
if ((fd = open(bigfile, roflags)) < 0) {
error("can't open '%s'", bigfile);
exit(1);
}
#ifdef MMAP
maddr = mmap((caddr_t)0, (size_t)size, PROT_READ,
MAP_PRIVATE, fd, (off_t)0);
if (maddr == MAP_FAILED) {
error("can't mmap '%s'", bigfile);
exit(1);
}
if (msync(maddr, (size_t)size, MS_INVALIDATE) < 0) {
error("can't invalidate pages for '%s'", bigfile);
exit(1);
}
if (munmap(maddr, (size_t)size) < 0) {
error("can't munmap '%s'", bigfile);
exit(1);
}
#endif
for (si = size; si > 0; si -= bytes) {
bytes = MIN(BUFSZ, si);
if (read(fd, buf, bytes) != bytes) {
error("'%s' read failed", bigfile);
exit(1);
}
}
close(fd);
}
if (Tflag) {
endtime(&time);
}
fprintf(stdout, "\tread %ld byte file %d times", (long)size, count);
if (Tflag) {
etime = (double)time.tv_sec + (double)time.tv_usec / 1000000.0;
if (etime != 0.0) {
fprintf(stdout, " in %ld.%-2ld seconds (%ld bytes/sec)",
(long)time.tv_sec, (long)time.tv_usec / 10000,
(long)((double)size * ((double)count / etime)));
} else {
fprintf(stdout, " in %ld.%-2ld seconds (> %ld bytes/sec)",
(long)time.tv_sec, (long)time.tv_usec / 10000,
(long)size * count);
}
}
fprintf(stdout, "\n");
if (unlink(bigfile) < 0) {
error("can't unlink '%s'", bigfile);
exit(1);
}
complete();
}
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