/*-------------------------------------------------------------------------
* Function: H5_bandwidth
*
* Purpose: Prints the bandwidth (bytes per second) in a field 10
* characters wide widh four digits of precision like this:
*
* NaN If <=0 seconds
* 1234. TB/s
* 123.4 TB/s
* 12.34 GB/s
* 1.234 MB/s
* 4.000 kB/s
* 1.000 B/s
* 0.000 B/s If NBYTES==0
* 1.2345e-10 For bandwidth less than 1
* 6.7893e+94 For exceptionally large values
* 6.678e+106 For really big values
*
* Return: void
*
* Programmer: Robb Matzke
* Wednesday, August 5, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
void
H5_bandwidth(char *buf/*out*/, double nbytes, double nseconds)
{
double bw;
if(nseconds <= 0.0)
HDstrcpy(buf, " NaN");
else {
bw = nbytes/nseconds;
if(HDfabs(bw) < 0.0000000001)
/* That is == 0.0, but direct comparison between floats is bad */
HDstrcpy(buf, "0.000 B/s");
else if(bw < 1.0)
sprintf(buf, "%10.4e", bw);
else if(bw < 1024.0) {
sprintf(buf, "%05.4f", bw);
HDstrcpy(buf+5, " B/s");
} else if(bw < (1024.0 * 1024.0)) {
sprintf(buf, "%05.4f", bw / 1024.0);
HDstrcpy(buf+5, " kB/s");
} else if(bw < (1024.0 * 1024.0 * 1024.0)) {
sprintf(buf, "%05.4f", bw / (1024.0 * 1024.0));
HDstrcpy(buf+5, " MB/s");
} else if(bw < (1024.0 * 1024.0 * 1024.0 * 1024.0)) {
sprintf(buf, "%05.4f", bw / (1024.0 * 1024.0 * 1024.0));
HDstrcpy(buf+5, " GB/s");
} else if(bw < (1024.0 * 1024.0 * 1024.0 * 1024.0 * 1024.0)) {
sprintf(buf, "%05.4f", bw / (1024.0 * 1024.0 * 1024.0 * 1024.0));
HDstrcpy(buf+5, " TB/s");
} else {
sprintf(buf, "%10.4e", bw);
if(HDstrlen(buf) > 10)
sprintf(buf, "%10.3e", bw);
}
}
} /* end H5_bandwidth() */
/*-------------------------------------------------------------------------
* Function: main
*
* Purpose: H5O_mtime_decode() test.
*
* Return: Success:
*
* Failure:
*
* Programmer: Robb Matzke
* Thursday, July 30, 1998
*
* Modifications:
* Added checks for old and new modification time messages
* in pre-created datafiles (generated with gen_old_mtime.c and
* gen_new_mtime.c).
* Quincey Koziol
* Friday, January 3, 2003
*
*-------------------------------------------------------------------------
*/
int
main(void)
{
hid_t fapl, file, space, dset;
hsize_t size[1] = {2};
time_t now;
struct tm *tm;
H5O_info_t oi1, oi2;
signed char buf1[32], buf2[32];
char filename[1024];
h5_reset();
fapl = h5_fileaccess();
TESTING("modification time messages");
/* Create the file, create a dataset, then close the file */
h5_fixname(FILENAME[0], fapl, filename, sizeof filename);
if((file = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl)) < 0)
TEST_ERROR;
if((space = H5Screate_simple(1, size, NULL)) < 0) TEST_ERROR;
if((dset = H5Dcreate2(file, "dset", H5T_NATIVE_SCHAR, space, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
TEST_ERROR;
now = HDtime(NULL);
if(H5Dclose(dset) < 0) TEST_ERROR;
if(H5Sclose(space) < 0) TEST_ERROR;
if(H5Fclose(file) < 0) TEST_ERROR;
/*
* Open the file and get the modification time. We'll test the
* H5Oget_info() arguments too: being able to stat something without
* knowing its name.
*/
h5_fixname(FILENAME[0], fapl, filename, sizeof filename);
if((file = H5Fopen(filename, H5F_ACC_RDONLY, fapl)) < 0) TEST_ERROR;
if(H5Oget_info_by_name(file, "dset", &oi1, H5P_DEFAULT) < 0) TEST_ERROR;
if((dset = H5Dopen2(file, "dset", H5P_DEFAULT)) < 0) TEST_ERROR;
if(H5Oget_info(dset, &oi2) < 0) TEST_ERROR;
if(H5Dclose(dset) < 0) TEST_ERROR;
if(H5Fclose(file) < 0) TEST_ERROR;
/* Compare addresses & times from the two ways of calling H5Oget_info() */
if(oi1.addr != oi2.addr || oi1.mtime != oi2.mtime) {
H5_FAILED();
puts(" Calling H5Oget_info() with the dataset ID returned");
puts(" different values than calling it with a file and dataset");
puts(" name.");
goto error;
}
/* Compare times -- they must be within 60 seconds of one another */
if(0 == oi1.mtime) {
SKIPPED();
puts(" The modification time could not be decoded on this OS.");
puts(" Modification times will be mantained in the file but");
puts(" cannot be queried on this system. See H5O_mtime_decode().");
return 0;
} else if(HDfabs(HDdifftime(now, oi1.mtime)) > 60.0) {
H5_FAILED();
tm = HDlocaltime(&(oi1.mtime));
HDstrftime((char*)buf1, sizeof buf1, "%Y-%m-%d %H:%M:%S", tm);
tm = HDlocaltime(&now);
HDstrftime((char*)buf2, sizeof buf2, "%Y-%m-%d %H:%M:%S", tm);
printf(" got: %s\n ans: %s\n", buf1, buf2);
goto error;
}
PASSED();
/* Check opening existing file with old-style modification time information
* and make certain that the time is correct
*/
TESTING("accessing old modification time messages");
{
char testfile[512]="";
char *srcdir = HDgetenv("srcdir");
if(srcdir && ((HDstrlen(srcdir) + strlen(TESTFILE1) + 1) < sizeof(testfile))){
HDstrcpy(testfile, srcdir);
HDstrcat(testfile, "/");
}
HDstrcat(testfile, TESTFILE1);
file = H5Fopen(testfile, H5F_ACC_RDONLY, H5P_DEFAULT);
if(file >= 0){
if(H5Oget_info_by_name(file, "/Dataset1", &oi1, H5P_DEFAULT) < 0)
TEST_ERROR;
if(oi1.mtime != MTIME1) {
H5_FAILED();
/* If this fails, examine H5Omtime.c. Modification time is very
* system dependant (e.g., on Windows DST must be hardcoded). */
puts(" Old modification time incorrect");
goto error;
}
if(H5Fclose(file) < 0) TEST_ERROR;
}
else {
H5_FAILED();
printf("***cannot open the pre-created old modification test file (%s)\n",
testfile);
goto error;
} /* end else */
}
PASSED();
/* Check opening existing file with new-style modification time information
* and make certain that the time is correct
*/
TESTING("accessing new modification time messages");
{
char testfile[512]="";
char *srcdir = HDgetenv("srcdir");
if(srcdir && ((HDstrlen(srcdir) + strlen(TESTFILE2) + 1) < sizeof(testfile))){
HDstrcpy(testfile, srcdir);
HDstrcat(testfile, "/");
}
HDstrcat(testfile, TESTFILE2);
file = H5Fopen(testfile, H5F_ACC_RDONLY, H5P_DEFAULT);
if(file >= 0){
if(H5Oget_info_by_name(file, "/Dataset1", &oi2, H5P_DEFAULT) < 0)
TEST_ERROR;
if(oi2.mtime != MTIME2) {
H5_FAILED();
puts(" Modification time incorrect.");
goto error;
}
if(H5Fclose(file) < 0) TEST_ERROR;
}
else {
H5_FAILED();
printf("***cannot open the pre-created old modification test file (%s)\n",
testfile);
goto error;
} /* end else */
}
PASSED();
/* All looks good */
puts("All modification time tests passed.");
h5_cleanup(FILENAME, fapl);
return 0;
/* Something broke */
error:
return 1;
}
