501 lines
16 KiB
C
501 lines
16 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by The HDF Group. *
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* Copyright by the Board of Trustees of the University of Illinois. *
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* All rights reserved. *
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* *
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* This file is part of HDF5. The full HDF5 copyright notice, including *
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* terms governing use, modification, and redistribution, is contained in *
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* the COPYING file, which can be found at the root of the source code *
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* distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
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* If you do not have access to either file, you may request a copy from *
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* help@hdfgroup.org. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/*-------------------------------------------------------------------------
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*
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* Created: vfd_swmr_addrem_writer.c
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* (copied and modified from swmr_addrem_writer.c)
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*
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* Purpose: Adds and removes data to a randomly selected subset of the
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* datasets in the VFD SWMR test file.
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*
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* This program is intended to run concurrently with the
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* vfd_swmr_reader program. It is also run AFTER a sequential
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* (not concurrent!) invoking of vfd_swmr_writer so the writer
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* can dump a bunch of data into the datasets. Otherwise,
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* there wouldn't be much to shrink :)
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*
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*-------------------------------------------------------------------------
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*/
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/***********/
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/* Headers */
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/***********/
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#include <err.h> /* errx(3) */
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#include <stdlib.h> /* EXIT_FAILURE */
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#include "h5test.h"
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#include "vfd_swmr_common.h"
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/****************/
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/* Local Macros */
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/****************/
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/********************/
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/* Local Prototypes */
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/********************/
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static hid_t open_skeleton(const char *filename, unsigned verbose);
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static int addrem_records(hid_t fid, unsigned verbose, unsigned long nops,
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unsigned long flush_count);
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static void usage(void);
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/*-------------------------------------------------------------------------
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* Function: open_skeleton
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*
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* Purpose: Opens the SWMR HDF5 file and datasets.
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*
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* Parameters: const char *filename
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* The filename of the SWMR HDF5 file to open
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*
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* unsigned verbose
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* Whether or not to emit verbose console messages
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*
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* Return: Success: The file ID of the opened SWMR file
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* The dataset IDs are stored in a global array
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*
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* Failure: -1
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*
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*-------------------------------------------------------------------------
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*/
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static hid_t
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open_skeleton(const char *filename, unsigned verbose)
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{
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hid_t dapl = H5I_INVALID_HID;
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hid_t fid = -1; /* File ID for new HDF5 file */
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hid_t fapl = -1; /* File access property list */
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hid_t sid = -1; /* Dataspace ID */
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hsize_t dim[2]; /* Dataspace dimension */
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unsigned u, v; /* Local index variable */
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H5F_vfd_swmr_config_t *config = NULL; /* Configuration for VFD SWMR */
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HDassert(filename);
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/* Create file access property list */
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if((fapl = h5_fileaccess()) < 0)
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goto error;
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if ((dapl = H5Pcreate(H5P_DATASET_ACCESS)) < 0)
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errx(EXIT_FAILURE, "%s.%d: H5Pcreate failed", __func__, __LINE__);
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if (H5Pset_chunk_cache(dapl, H5D_CHUNK_CACHE_NSLOTS_DEFAULT, 0,
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H5D_CHUNK_CACHE_W0_DEFAULT) < 0)
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errx(EXIT_FAILURE, "H5Pset_chunk_cache failed");
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/* Set to use the latest library format */
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if(H5Pset_libver_bounds(fapl, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST) < 0)
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goto error;
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/*
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* Set up to open the file with VFD SWMR configured.
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*/
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/* Enable page buffering */
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if(H5Pset_page_buffer_size(fapl, 4096, 0, 0) < 0)
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goto error;
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/* Allocate memory for the configuration structure */
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if((config = (H5F_vfd_swmr_config_t *)calloc(1, sizeof(H5F_vfd_swmr_config_t))) == NULL)
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goto error;
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config->version = H5F__CURR_VFD_SWMR_CONFIG_VERSION;
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config->tick_len = 4;
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config->max_lag = 5;
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config->writer = TRUE;
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config->md_pages_reserved = 128;
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HDstrcpy(config->md_file_path, "./my_md_file");
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/* Enable VFD SWMR configuration */
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if(H5Pset_vfd_swmr_config(fapl, config) < 0)
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goto error;
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/* Open the file */
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if((fid = H5Fopen(filename, H5F_ACC_RDWR, fapl)) < 0)
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goto error;
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/* Close file access property list */
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if(H5Pclose(fapl) < 0)
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goto error;
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if(config)
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HDfree(config);
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/* Emit informational message */
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if(verbose)
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HDfprintf(stderr, "WRITER: Opening datasets\n");
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/* Open the datasets */
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for(u = 0; u < NLEVELS; u++)
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for(v = 0; v < symbol_count[u]; v++) {
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hid_t dsid;
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if((dsid = H5Dopen2(fid, symbol_info[u][v].name, dapl)) < 0)
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goto error;
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symbol_info[u][v].dsid = dsid;
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if((sid = H5Dget_space(symbol_info[u][v].dsid)) < 0)
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goto error;
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if(2 != H5Sget_simple_extent_ndims(sid))
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goto error;
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if(H5Sget_simple_extent_dims(sid, dim, NULL) < 0)
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goto error;
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symbol_info[u][v].nrecords = dim[1];
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if(H5Sclose(sid) < 0)
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goto error;
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} /* end for */
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return fid;
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error:
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if(config)
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HDfree(config);
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H5E_BEGIN_TRY {
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for(u = 0; u < NLEVELS; u++)
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for(v = 0; v < symbol_count[u]; v++)
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H5Dclose(symbol_info[u][v].dsid);
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H5Sclose(sid);
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H5Pclose(fapl);
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H5Fclose(fid);
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H5Pclose(dapl);
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} H5E_END_TRY;
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return -1;
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} /* open_skeleton() */
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/*-------------------------------------------------------------------------
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* Function: addrem_records
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*
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* Purpose: Adds/removes a specified number of records to random datasets
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* to the SWMR test file.
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*
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* Parameters: hid_t fid
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* The file ID of the SWMR HDF5 file
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*
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* unsigned verbose
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* Whether or not to emit verbose console messages
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*
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* unsigned long nops
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* # of records to read/write in the datasets
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*
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* unsigned long flush_count
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* # of records to write before flushing the file to disk
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*
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* Return: Success: 0
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* Failure: -1
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*
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*-------------------------------------------------------------------------
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*/
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static int
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addrem_records(hid_t fid, unsigned verbose, unsigned long nops, unsigned long flush_count)
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{
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hid_t tid = -1; /* Datatype ID for records */
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hid_t mem_sid = -1; /* Memory dataspace ID */
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hid_t file_sid = -1; /* Dataset's space ID */
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hsize_t start[2] = {0, 0}, count[2] = {1, 1}; /* Hyperslab selection values */
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hsize_t dim[2] = {1, 0}; /* Dataspace dimensions */
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symbol_t buf[MAX_SIZE_CHANGE]; /* Write buffer */
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unsigned long op_to_flush; /* # of operations before flush */
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unsigned long u, v; /* Local index variables */
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HDassert(fid > 0);
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/* Reset the buffer */
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HDmemset(&buf, 0, sizeof(buf));
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/* Create a dataspace for the record to add */
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if((mem_sid = H5Screate_simple(2, count, NULL)) < 0)
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goto error;
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/* Create datatype for appending records */
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if((tid = create_symbol_datatype()) < 0)
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goto error;
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/* Add and remove records to random datasets, according to frequency
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* distribution */
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op_to_flush = flush_count;
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for(u=0; u<nops; u++) {
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symbol_info_t *symbol; /* Symbol to write record to */
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/* Get a random dataset, according to the symbol distribution */
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symbol = choose_dataset(NULL, NULL);
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/* Decide whether to shrink or expand, and by how much */
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count[1] = (hsize_t)HDrandom() % (MAX_SIZE_CHANGE * 2) + 1;
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if(count[1] > MAX_SIZE_CHANGE) {
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/* Add records */
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count[1] -= MAX_SIZE_CHANGE;
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/* Set the buffer's IDs (equal to its position) */
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for(v=0; v<count[1]; v++)
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buf[v].rec_id = (uint64_t)symbol->nrecords + (uint64_t)v;
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/* Set the memory space to the correct size */
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if(H5Sset_extent_simple(mem_sid, 2, count, NULL) < 0)
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goto error;
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/* Get the coordinates to write */
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start[1] = symbol->nrecords;
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/* Extend the dataset's dataspace to hold the new record */
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symbol->nrecords+= count[1];
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dim[1] = symbol->nrecords;
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if(H5Dset_extent(symbol->dsid, dim) < 0)
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goto error;
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/* Get the dataset's dataspace */
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if((file_sid = H5Dget_space(symbol->dsid)) < 0)
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goto error;
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/* Choose the last record in the dataset */
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if(H5Sselect_hyperslab(file_sid, H5S_SELECT_SET, start, NULL, count, NULL) < 0)
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goto error;
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/* Write record to the dataset */
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if(H5Dwrite(symbol->dsid, tid, mem_sid, file_sid, H5P_DEFAULT, &buf) < 0)
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goto error;
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if(H5Dflush(symbol->dsid) < 0)
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goto error;
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/* Close the dataset's dataspace */
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if(H5Sclose(file_sid) < 0)
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goto error;
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} /* end if */
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else {
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/* Shrink the dataset's dataspace */
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if(count[1] > symbol->nrecords)
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symbol->nrecords = 0;
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else
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symbol->nrecords -= count[1];
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dim[1] = symbol->nrecords;
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if(H5Dset_extent(symbol->dsid, dim) < 0)
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goto error;
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} /* end else */
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/* Check for flushing file */
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if(flush_count > 0) {
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/* Decrement count of records to write before flushing */
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op_to_flush--;
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/* Check for counter being reached */
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if(0 == op_to_flush) {
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#ifdef TEMP_OUT
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/* Flush contents of file */
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if(H5Fflush(fid, H5F_SCOPE_GLOBAL) < 0)
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return -1;
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#endif /* TEMP_OUT */
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/* Reset flush counter */
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op_to_flush = flush_count;
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} /* end if */
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} /* end if */
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} /* end for */
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/* Emit informational message */
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if(verbose)
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HDfprintf(stderr, "WRITER: Closing datasets\n");
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/* Close the datasets */
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for(u = 0; u < NLEVELS; u++)
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for(v = 0; v < symbol_count[u]; v++)
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if(H5Dclose(symbol_info[u][v].dsid) < 0)
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return -1;
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return 0;
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error:
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H5E_BEGIN_TRY {
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H5Sclose(mem_sid);
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H5Sclose(file_sid);
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H5Tclose(tid);
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for(u = 0; u < NLEVELS; u++)
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for(v = 0; v < symbol_count[u]; v++)
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H5Dclose(symbol_info[u][v].dsid);
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} H5E_END_TRY;
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return -1;
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} /* addrem_records() */
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static void
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usage(void)
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{
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printf("\n");
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printf("Usage error!\n");
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printf("\n");
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printf("Usage: vfd_swmr_addrem_writer [-q] [-f <# of operations between flushing\n");
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printf(" file contents>] [-r <random seed>] <# of operations>\n");
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printf("\n");
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printf("<# of operations between flushing file contents> should be 0 (for\n");
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printf("no flushing) or between 1 and (<# of operations> - 1).\n");
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printf("\n");
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printf("<# of operations> must be specified.\n");
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printf("\n");
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printf("Defaults to verbose (no '-q' given), flushing every 1000 operations\n");
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printf("('-f 1000'), and will generate a random seed (no -r given).\n");
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printf("\n");
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HDexit(1);
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} /* usage() */
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int main(int argc, const char *argv[])
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{
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sigset_t oldset;
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hid_t fid; /* File ID for file opened */
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long nops = 0; /* # of times to grow or shrink the dataset */
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long flush_count = 1000; /* # of records to write between flushing file */
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unsigned verbose = 1; /* Whether to emit some informational messages */
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unsigned use_seed = 0; /* Set to 1 if a seed was set on the command line */
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unsigned random_seed = 0; /* Random # seed */
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unsigned u; /* Local index variable */
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int temp;
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block_signals(&oldset);
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/* Parse command line options */
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if(argc < 2)
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usage();
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if(argc > 1) {
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u = 1;
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while(u < (unsigned)argc) {
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if(argv[u][0] == '-') {
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switch(argv[u][1]) {
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/* # of records to write between flushing file */
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case 'f':
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flush_count = HDatol(argv[u + 1]);
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if(flush_count < 0)
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usage();
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u += 2;
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break;
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/* Be quiet */
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case 'q':
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verbose = 0;
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u++;
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break;
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/* Random # seed */
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case 'r':
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use_seed = 1;
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temp = HDatoi(argv[u + 1]);
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if(temp < 0)
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usage();
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else
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random_seed = (unsigned)temp;
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u += 2;
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break;
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default:
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usage();
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break;
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} /* end switch */
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} /* end if */
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else {
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/* Get the number of records to append */
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nops = HDatol(argv[u]);
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if(nops <= 0)
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usage();
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u++;
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} /* end else */
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} /* end while */
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} /* end if */
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if(nops <= 0)
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usage();
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if(flush_count >= nops)
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usage();
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/* Emit informational message */
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if(verbose) {
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HDfprintf(stderr, "WRITER: Parameters:\n");
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HDfprintf(stderr, "\t# of operations between flushes = %ld\n", flush_count);
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HDfprintf(stderr, "\t# of operations = %ld\n", nops);
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} /* end if */
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/* Set the random seed */
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if(0 == use_seed) {
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struct timeval t;
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HDgettimeofday(&t, NULL);
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random_seed = (unsigned)(t.tv_usec);
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} /* end if */
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HDsrandom(random_seed);
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/* ALWAYS emit the random seed for possible debugging */
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HDfprintf(stderr, "WRITER: Using writer random seed: %u\n", random_seed);
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/* Emit informational message */
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if(verbose)
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HDfprintf(stderr, "WRITER: Generating symbol names\n");
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/* Generate dataset names */
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if(generate_symbols() < 0)
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return -1;
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/* Emit informational message */
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if(verbose)
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HDfprintf(stderr, "WRITER: Opening skeleton file: %s\n", FILENAME);
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/* Open file skeleton */
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if((fid = open_skeleton(FILENAME, verbose)) < 0) {
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HDfprintf(stderr, "WRITER: Error opening skeleton file!\n");
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HDexit(1);
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} /* end if */
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/* Send a message to indicate "H5Fopen" is complete--releasing the file lock */
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h5_send_message(WRITER_MESSAGE, NULL, NULL);
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/* Emit informational message */
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if(verbose)
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HDfprintf(stderr, "WRITER: Adding and removing records\n");
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/* Grow and shrink datasets */
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if(addrem_records(fid, verbose, (unsigned long)nops, (unsigned long)flush_count) < 0) {
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HDfprintf(stderr, "WRITER: Error adding and removing records from datasets!\n");
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HDexit(1);
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} /* end if */
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/* Emit informational message */
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if(verbose)
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HDfprintf(stderr, "WRITER: Releasing symbols\n");
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/* Clean up the symbols */
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if(shutdown_symbols() < 0) {
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HDfprintf(stderr, "WRITER: Error releasing symbols!\n");
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HDexit(1);
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} /* end if */
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await_signal(fid);
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restore_signals(&oldset);
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/* Emit informational message */
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if(verbose)
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HDfprintf(stderr, "WRITER: Closing objects\n");
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/* Close objects opened */
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if(H5Fclose(fid) < 0) {
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HDfprintf(stderr, "WRITER: Error closing file!\n");
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HDexit(1);
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} /* end if */
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return 0;
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} /* main() */
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