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#include "h5hltest.h"
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
/* Size of data buffer */
#define TEST_BUF_SIZE 100
/* Note: These two defines should be the same as the defines in test_ld.sh.in */
/* The message sent by extend_dset that the file is done with file open releasing the file lock */
#define WRITER_MESSAGE "LD_WRITER_MESSAGE"
/* The message sent by monitor_dset that it is done setting up */
#define READER_MESSAGE "LD_READER_MESSAGE"
/*
* Test variations (incremental) for one-dimensional dataset:
* Varies from 10->13->12->12->1->3
*/
#define ONE_NTESTS 5
int one_tests[ONE_NTESTS] = {3, -1, 0, -11, 2};
/*
* Test variations (incremental) for two-dimensional dataset:
* Varies from {4,10}->{6,12}->{8,1}->{10,1}->
* {3,3}->{2,2}->{1,2}->
* {1,4}->{1,3}->{1,3}
*/
#define TWO_NTESTS 9
int two_tests[TWO_NTESTS][2] = { {2, 2}, {2, -11}, {2, 0},
{-7, 2}, {-1, -1}, {-1, 0},
{0, 2}, {0, -1}, {0, 0}
};
/*
* Extend the specified dataset in the file with "monitor_dset" monitoring
* the dataset on the other end:
* 1) Extend the dataset according to the variations: ONE_NTESTS, TWO_NTESTS
* 2) Write to the dataset (currently, only for integer dataset)
* 3) Flush the dataset
*
* Due to the implementation of file locking, coordination is needed in file
* opening for the writer/reader tests to proceed as expected:
* --it will send the WRITER_MESSAGE when the file open is done:
* to notify monitor_dset() to start monitoring the dataset
* --it will wait for the READER_MESSAGE from monitor_dset() before extending
* the dataset
*/
static int
extend_dset(const char *file, char *dname)
{
hid_t fid; /* file id */
hid_t fapl; /* file access property list */
hid_t did; /* dataset id */
hid_t dtype; /* dataset's datatype */
hid_t sid; /* dataspace id */
int i, j, k; /* local index variable */
int ndims; /* number of dimensions */
int buf[TEST_BUF_SIZE]; /* buffer for data */
hsize_t cur_dims[2]; /* current dimension sizes */
hsize_t ext_dims[2]; /* new dimension sizes after extension */
/* Create a file access property list */
if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
goto done;
/* Set to use latest library format */
if((H5Pset_libver_bounds(fapl, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST)) < 0)
goto done;
/* Open the file with SWMR write */
if((fid = H5Fopen(file, H5F_ACC_RDWR|H5F_ACC_SWMR_WRITE, fapl)) < 0)
goto done;
/* Send message that "extend_dset" (this routine) is done with H5Fopen--the file lock is released */
h5_send_message(WRITER_MESSAGE);
/* Open the dataset */
if((did = H5Dopen2(fid, dname, H5P_DEFAULT)) < 0)
goto done;
/* Get the dataset's data space */
if((sid = H5Dget_space(did)) < 0)
goto done;
/* Get the # of dimensions for the dataset */
if((ndims = H5Sget_simple_extent_ndims(sid)) < 0)
goto done;
/* Initialize data written to the dataset */
HDmemset(buf, 0, sizeof(buf));
for(k = 0; k < TEST_BUF_SIZE; k++)
buf[k] = k;
/* Wait for message from "monitor_dset" before starting to extend the dataset */
if(h5_wait_message(READER_MESSAGE) < 0)
goto done;
/* Loop through different variations of extending the dataset */
for(i = 0; i < (ndims == 1 ? ONE_NTESTS: TWO_NTESTS); i++) {
HDsleep(2);
/* Get the dataset's current dimension sizes */
if(H5LDget_dset_dims(did, cur_dims) < 0)
goto done;
/* Set up the new extended dimension sizes */
for(j = 0; j < ndims; j++)
ext_dims[j] = cur_dims[j] + (ndims == 1 ? (hsize_t)one_tests[i] : (hsize_t)two_tests[i][j]);
/* Extend the dataset */
if(H5Dset_extent(did, ext_dims) < 0)
goto done;
/* Get the dataset's data type */
if((dtype = H5Tget_native_type(H5Dget_type(did), H5T_DIR_DEFAULT)) < 0)
goto done;
/* Write to the whole dataset after extension */
if(H5Dwrite(did, dtype, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf) < 0)
goto done;
/* Flush the data */
if(H5Dflush(did) < 0)
goto done;
} /* end for ONE_NTESTS or TWO_NTESTS */
/* Closing */
if(H5Tclose(dtype) < 0) goto done;
if(H5Sclose(sid) < 0) goto done;
if(H5Dclose(did) < 0) goto done;
if(H5Pclose(fapl) < 0) goto done;
if(H5Fclose(fid) < 0) goto done;
return(0);
done:
H5E_BEGIN_TRY
H5Tclose(dtype);
H5Sclose(sid);
H5Dclose(did);
H5Pclose(fapl);
H5Fclose(fid);
H5E_END_TRY
return(-1);
} /* extend_dset() */
/*
* Monitor the specified dataset in the file while "extend_dset" is extending
* and writing to the dataset on the other end:
*
* 1) Retrieve the dataset's current dimension sizes
* 2) If there are changes in dimension sizes:
* print the dimension sizes
* retrieve the appended data and print them
*
* Due to the implementation of file locking, coordination is needed in file
* opening for the writer/reader tests to proceed as expected:
* --it will wait for the WRITER_MESSAGE from extend_dset() before opening
* the test file
* --it will send the READER_MESSAGE when the setup is done:
* to notify extend_dset() to start extending the dataset
*/
static int
monitor_dset(const char *fname, char *dname)
{
hid_t fid; /* file id */
hid_t fapl; /* file access property list */
hid_t did; /* dataset id */
hid_t sid; /* dataspace id */
int ndims; /* # of dimensions in the dataspace */
int i, u; /* local index variable */
hsize_t cur_dims[H5S_MAX_RANK]; /* current dimension sizes */
hsize_t prev_dims[H5S_MAX_RANK]; /* previous dimension sizes */
int buf[TEST_BUF_SIZE]; /* Buffer for data */
herr_t ret_value = 0; /* return value */
/* Wait for message from "extend_dset" before opening the file */
if(h5_wait_message(WRITER_MESSAGE) < 0)
goto done;
/* Create a file access property list */
if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
goto done;
/* Set to use latest library format */
if((H5Pset_libver_bounds(fapl, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST)) < 0)
goto done;
/* Open the file with SWMR access */
if((fid = H5Fopen(fname, H5F_ACC_SWMR_READ, fapl)) < 0) {
ret_value = -1;
goto done;
}
HDfprintf(stdout, "Monitoring dataset %s...\n", dname);
/* Open the dataset for minitoring */
if((did = H5Dopen2(fid, dname, H5P_DEFAULT)) < 0) {
HDfprintf(stdout, "error in opening dataset \"%s\"\n", dname);
ret_value = -1;
goto done;
}
/* Get the dataset's data space */
if((sid = H5Dget_space(did)) < 0) {
HDfprintf(stdout, "error in getting dataspace id for dataset \"%s\"\n", dname);
ret_value = -1;
goto done;
}
/* Get the dataset's dimension sizes */
if((ndims = H5Sget_simple_extent_dims(sid, prev_dims, NULL)) < 0) {
HDfprintf(stdout, "unable to get dimensions sizes for \"%s\"\n", dname);
ret_value = -1;
goto done;
}
/* Send message that "monitor_dset" (this routine) is done with setting up */
h5_send_message(READER_MESSAGE);
/* Monitor the dataset for changes */
while(1) {
/* Refresh the dataset */
if(H5Drefresh(did) < 0) {
ret_value = -1;
goto done;
}
/* Get the dataset's current dimension sizes */
if(H5LDget_dset_dims(did, cur_dims) < 0) {
HDfprintf(stdout, "unable to get dimension sizes for \"%s\"\n", dname);
ret_value = -1;
goto done;
}
/* Check for changes in dimension sizes */
for(u = 0; u < ndims; u++) {
if(cur_dims[u] != prev_dims[u]) {
break;
}
}
/* Printing only when there are changes */
if(u < ndims) {
/* Print the current dimension sizes */
HDfprintf(stdout, "\n");
for(i = 0; i < ndims; i++)
HDfprintf(stdout, "%d ", (int)cur_dims[i]);
HDfprintf(stdout, "\n");
/* Get data appended to the dataset and print the data */
HDmemset(buf, 0, sizeof(buf));
if(H5LDget_dset_elmts(did, prev_dims, cur_dims, NULL, buf) >= 0) {
for(i = 0; i < TEST_BUF_SIZE; i++) {
if(i % 10)
HDfprintf(stdout, "%d ", buf[i]);
else
HDfprintf(stdout, "\n%d ", buf[i]);
}
HDfprintf(stdout, "\n");
}
/* Flush the output to stdout */
HDfflush(stdout);
/* Update the dimension sizes */
HDmemcpy(prev_dims, cur_dims, ndims * sizeof(hsize_t));
}
HDsleep(1);
} /* end for */
done:
/* Closing */
H5E_BEGIN_TRY
H5Sclose(sid);
H5Dclose(did);
H5Pclose(fapl);
H5E_END_TRY
return(ret_value);
} /* monitor_dset() */
/* Usage:
* ld_mx -m fname dname -- to monitor the file's dataset
* or
* ld_mx -x fname dname -- to extend the file's dataset
*/
/* This file is a combination of ld_monitor.c and ld_extend.c which are svn deleted */
int
main(int argc, char *argv[])
{
char *dname = NULL; /* dataset name */
char *fname = NULL; /* file name */
int opt = 0;
unsigned int monitor = 0, extend = 0;
if(argc != 4) {
fprintf(stderr, "Usage: ld_mx -m fname dname for monitoring the dataset 'dname' in the file 'fname'\n");
fprintf(stderr, "Usage: ld_mx -x fname dname for extending the dataset 'dname' in the file 'fname'\n");
goto done;
}
/* Parse command line options */
while((opt = getopt(argc, argv, "mx")) != -1) {
switch(opt) {
case 'm': /* monitor dataset */
monitor = 1;
break;
case 'x': /* extend dataset */
extend = 1;
break;
default:
printf("Invalid option encountered\n");
break;
}
}
if((extend && monitor) || (!extend && !monitor)) {
fprintf(stderr, "Usage: ldmx -m/-x fname dname\n");
goto done;
}
if(optind != 2) {
fprintf(stderr, "Usage: ldmx -m/-x fname dname\n");
goto done;
}
fname = HDstrdup(argv[optind++]);
dname = HDstrdup(argv[optind++]);
if(extend) {
if(extend_dset(fname, dname) < 0)
goto done;
} else if(monitor) {
if(monitor_dset(fname, dname) < 0)
goto done;
}
exit(EXIT_SUCCESS);
done:
if(dname) HDfree(dname);
if(fname) HDfree(fname);
exit(EXIT_FAILURE);
} /* main() */
|
