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author | Dana Robinson <derobins@hdfgroup.org> | 2017-01-26 19:34:12 (GMT) |
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committer | Dana Robinson <derobins@hdfgroup.org> | 2017-01-26 19:34:12 (GMT) |
commit | 2cac1c063735f2989988b279ff0233d6e9f335a3 (patch) | |
tree | 7a134078846919680b95c36d1772466793fe3da3 /test/swmr_sparse_writer.c | |
parent | 768636dbd77ea787a6a04dfc321ff3e862791db7 (diff) | |
download | hdf5-2cac1c063735f2989988b279ff0233d6e9f335a3.zip hdf5-2cac1c063735f2989988b279ff0233d6e9f335a3.tar.gz hdf5-2cac1c063735f2989988b279ff0233d6e9f335a3.tar.bz2 |
Moved remaining SWMR-related test files to develop.
Diffstat (limited to 'test/swmr_sparse_writer.c')
-rw-r--r-- | test/swmr_sparse_writer.c | 454 |
1 files changed, 454 insertions, 0 deletions
diff --git a/test/swmr_sparse_writer.c b/test/swmr_sparse_writer.c new file mode 100644 index 0000000..13b21c2 --- /dev/null +++ b/test/swmr_sparse_writer.c @@ -0,0 +1,454 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * Copyright by the Board of Trustees of the University of Illinois. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the files COPYING and Copyright.html. COPYING can be found at the root * + * of the source code distribution tree; Copyright.html can be found at the * + * root level of an installed copy of the electronic HDF5 document set and * + * is linked from the top-level documents page. It can also be found at * + * http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have * + * access to either file, you may request a copy from help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + + /*------------------------------------------------------------------------- + * + * Created: swmr_sparse_writer.c + * + * Purpose: Writes data to a randomly selected subset of the datasets + * in the SWMR test file. + * + * This program is intended to run concurrently with the + * swmr_sparse_reader program. + * + *------------------------------------------------------------------------- + */ + +/***********/ +/* Headers */ +/***********/ + +#include "h5test.h" +#include "swmr_common.h" + +/****************/ +/* Local Macros */ +/****************/ + +#ifdef OUT +#define BUSY_WAIT 100000 +#endif /* OUT */ + +/********************/ +/* Local Prototypes */ +/********************/ + +static hid_t open_skeleton(const char *filename, unsigned verbose); +static int add_records(hid_t fid, unsigned verbose, unsigned long nrecords, + unsigned long flush_count); +static void usage(void); + + + +/*------------------------------------------------------------------------- + * Function: open_skeleton + * + * Purpose: Opens the SWMR HDF5 file and datasets. + * + * Parameters: const char *filename + * The filename of the SWMR HDF5 file to open + * + * unsigned verbose + * Whether or not to emit verbose console messages + * + * Return: Success: The file ID of the opened SWMR file + * The dataset IDs are stored in a global array + * + * Failure: -1 + * + *------------------------------------------------------------------------- + */ +static hid_t +open_skeleton(const char *filename, unsigned verbose) +{ + hid_t fid; /* File ID for new HDF5 file */ + hid_t fapl; /* File access property list */ + hid_t aid; /* Attribute ID */ + unsigned seed; /* Seed for random number generator */ + unsigned u, v; /* Local index variable */ + + HDassert(filename); + + /* Create file access property list */ + if((fapl = h5_fileaccess()) < 0) + return -1; + + /* Set to use the latest library format */ + if(H5Pset_libver_bounds(fapl, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST) < 0) + return -1; + +#ifdef QAK + /* Increase the initial size of the metadata cache */ + { + H5AC_cache_config_t mdc_config; + + mdc_config.version = H5AC__CURR_CACHE_CONFIG_VERSION; + H5Pget_mdc_config(fapl, &mdc_config); + HDfprintf(stderr, "mdc_config.initial_size = %lu\n", (unsigned long)mdc_config.initial_size); + HDfprintf(stderr,"mdc_config.epoch_length = %lu\n", (unsigned long)mdc_config.epoch_length); + mdc_config.set_initial_size = 1; + mdc_config.initial_size = 16 * 1024 * 1024; + /* mdc_config.epoch_length = 5000; */ + H5Pset_mdc_config(fapl, &mdc_config); + } +#endif /* QAK */ + +#ifdef QAK + H5Pset_fapl_log(fapl, "append.log", H5FD_LOG_ALL, (size_t)(512 * 1024 * 1024)); +#endif /* QAK */ + + /* Open the file */ + if((fid = H5Fopen(filename, H5F_ACC_RDWR | H5F_ACC_SWMR_WRITE, fapl)) < 0) + return -1; + + /* Close file access property list */ + if(H5Pclose(fapl) < 0) + return -1; + + /* Emit informational message */ + if(verbose) + fprintf(stderr, "Opening datasets\n"); + + /* Seed the random number generator with the attribute in the file */ + if((aid = H5Aopen(fid, "seed", H5P_DEFAULT)) < 0) + return -1; + if(H5Aread(aid, H5T_NATIVE_UINT, &seed) < 0) + return -1; + if(H5Aclose(aid) < 0) + return -1; + HDsrandom(seed); + + /* Open the datasets */ + for(u = 0; u < NLEVELS; u++) + for(v = 0; v < symbol_count[u]; v++) { + if((symbol_info[u][v].dsid = H5Dopen2(fid, symbol_info[u][v].name, H5P_DEFAULT)) < 0) + return(-1); + symbol_info[u][v].nrecords = 0; + } /* end for */ + + return fid; +} + + +/*------------------------------------------------------------------------- + * Function: add_records + * + * Purpose: Writes a specified number of records to random datasets in + * the SWMR test file. + * + * Parameters: hid_t fid + * The file ID of the SWMR HDF5 file + * + * unsigned verbose + * Whether or not to emit verbose console messages + * + * unsigned long nrecords + * # of records to write to the datasets + * + * unsigned long flush_count + * # of records to write before flushing the file to disk + * + * Return: Success: 0 + * Failure: -1 + * + *------------------------------------------------------------------------- + */ +static int +add_records(hid_t fid, unsigned verbose, unsigned long nrecords, unsigned long flush_count) +{ + hid_t tid; /* Datatype ID for records */ + hid_t mem_sid; /* Memory dataspace ID */ + hsize_t start[2] = {0, 0}; /* Hyperslab selection values */ + hsize_t count[2] = {1, 1}; /* Hyperslab selection values */ + symbol_t record; /* The record to add to the dataset */ + unsigned long rec_to_flush; /* # of records left to write before flush */ +#ifdef OUT + volatile int dummy; /* Dummy varialbe for busy sleep */ +#endif /* OUT */ + hsize_t dim[2] = {1,0}; /* Dataspace dimensions */ + unsigned long u, v; /* Local index variables */ + + HDassert(fid >= 0); + + /* Reset the record */ + /* (record's 'info' field might need to change for each record written, also) */ + HDmemset(&record, 0, sizeof(record)); + + /* Create a dataspace for the record to add */ + if((mem_sid = H5Screate(H5S_SCALAR)) < 0) + return -1; + + /* Create datatype for appending records */ + if((tid = create_symbol_datatype()) < 0) + return -1; + + /* Add records to random datasets, according to frequency distribution */ + rec_to_flush = flush_count; + for(u = 0; u < nrecords; u++) { + symbol_info_t *symbol; /* Symbol to write record to */ + hid_t file_sid; /* Dataset's space ID */ + hid_t aid; /* Attribute ID */ + hbool_t corked; /* Whether the dataset was corked */ + + /* Get a random dataset, according to the symbol distribution */ + symbol = choose_dataset(); + + /* If this is the first time the dataset has been opened, extend it and + * add the sequence attribute */ + if(symbol->nrecords == 0) { + symbol->nrecords = nrecords / 5; + dim[1] = symbol->nrecords; + + /* Cork the metadata cache, to prevent the object header from being + * flushed before the data has been written */ + if(H5Odisable_mdc_flushes(symbol->dsid) < 0) + return -1; + corked = TRUE; + + if(H5Dset_extent(symbol->dsid, dim) < 0) + return -1; + + if((file_sid = H5Screate(H5S_SCALAR)) < 0) + return -1; + if((aid = H5Acreate2(symbol->dsid, "seq", H5T_NATIVE_ULONG, file_sid, H5P_DEFAULT, H5P_DEFAULT)) < 0) + return -1; + if(H5Sclose(file_sid) < 0) + return -1; + } /* end if */ + else { + if((aid = H5Aopen(symbol->dsid, "seq", H5P_DEFAULT)) < 0) + return -1; + corked = FALSE; + } /* end else */ + + /* Get the coordinate to write */ + start[1] = (hsize_t)HDrandom() % symbol->nrecords; + + /* Set the record's ID (equal to its position) */ + record.rec_id = start[1]; + + /* Get the dataset's dataspace */ + if((file_sid = H5Dget_space(symbol->dsid)) < 0) + return -1; + + /* Choose a random record in the dataset */ + if(H5Sselect_hyperslab(file_sid, H5S_SELECT_SET, start, NULL, count, NULL) < 0) + return -1; + + /* Write record to the dataset */ + if(H5Dwrite(symbol->dsid, tid, mem_sid, file_sid, H5P_DEFAULT, &record) < 0) + return -1; + + /* Write the sequence number attribute. Since we synchronize the random + * number seed, the readers will always generate the same sequence of + * randomly chosen datasets and offsets. Therefore, and because of the + * flush dependencies on the object header, the reader will be + * guaranteed to see the written data if the sequence attribute is >=u. + */ + if(H5Awrite(aid, H5T_NATIVE_ULONG, &u) < 0) + return -1; + + /* Close the attribute */ + if(H5Aclose(aid) < 0) + return -1; + + /* Uncork the metadata cache, if it's been */ + if(corked) + if(H5Oenable_mdc_flushes(symbol->dsid) < 0) + return -1; + + /* Close the dataset's dataspace */ + if(H5Sclose(file_sid) < 0) + return -1; + + /* Check for flushing file */ + if(flush_count > 0) { + /* Decrement count of records to write before flushing */ + rec_to_flush--; + + /* Check for counter being reached */ + if(0 == rec_to_flush) { + /* Flush contents of file */ + if(H5Fflush(fid, H5F_SCOPE_GLOBAL) < 0) + return -1; + + /* Reset flush counter */ + rec_to_flush = flush_count; + } /* end if */ + } /* end if */ + +#ifdef OUT + /* Busy wait, to let readers catch up */ + /* If this is removed, also remove the BUSY_WAIT symbol + * at the top of the file. + */ + dummy = 0; + for(v=0; v<BUSY_WAIT; v++) + dummy++; + if((unsigned long)dummy != v) + return -1; +#endif /* OUT */ + + } /* end for */ + + /* Close the memory dataspace */ + if(H5Sclose(mem_sid) < 0) + return -1; + + /* Close the datatype */ + if(H5Tclose(tid) < 0) + return -1; + + /* Emit informational message */ + if(verbose) + fprintf(stderr, "Closing datasets\n"); + + /* Close the datasets */ + for(u = 0; u < NLEVELS; u++) + for(v = 0; v < symbol_count[u]; v++) + if(H5Dclose(symbol_info[u][v].dsid) < 0) + return -1; + + return 0; +} + +static void +usage(void) +{ + printf("\n"); + printf("Usage error!\n"); + printf("\n"); + printf("Usage: swmr_sparse_writer [-q] [-f <# of records to write between\n"); + printf(" flushing file contents>] <# of records>\n"); + printf("\n"); + printf("<# of records to write between flushing file contents> should be 0\n"); + printf("(for no flushing) or between 1 and (<# of records> - 1)\n"); + printf("\n"); + printf("Defaults to verbose (no '-q' given) and flushing every 1000 records\n"); + printf("('-f 1000')\n"); + printf("\n"); + HDexit(1); +} + +int main(int argc, const char *argv[]) +{ + hid_t fid; /* File ID for file opened */ + long nrecords = 0; /* # of records to append */ + long flush_count = 1000; /* # of records to write between flushing file */ + unsigned verbose = 1; /* Whether to emit some informational messages */ + unsigned u; /* Local index variable */ + + /* Parse command line options */ + if(argc < 2) + usage(); + if(argc > 1) { + u = 1; + while(u < (unsigned)argc) { + if(argv[u][0] == '-') { + switch(argv[u][1]) { + /* # of records to write between flushing file */ + case 'f': + flush_count = HDatol(argv[u + 1]); + if(flush_count < 0) + usage(); + u += 2; + break; + + /* Be quiet */ + case 'q': + verbose = 0; + u++; + break; + + default: + usage(); + break; + } /* end switch */ + } /* end if */ + else { + /* Get the number of records to append */ + nrecords = HDatol(argv[u]); + if(nrecords <= 0) + usage(); + + u++; + } /* end else */ + } /* end while */ + } /* end if */ + if(nrecords <= 0) + usage(); + if(flush_count >= nrecords) + usage(); + + /* Emit informational message */ + if(verbose) { + HDfprintf(stderr, "Parameters:\n"); + HDfprintf(stderr, "\t# of records between flushes = %ld\n", flush_count); + HDfprintf(stderr, "\t# of records to write = %ld\n", nrecords); + } /* end if */ + + /* Emit informational message */ + if(verbose) + HDfprintf(stderr, "Generating symbol names\n"); + + /* Generate dataset names */ + if(generate_symbols() < 0) + return -1; + + /* Emit informational message */ + if(verbose) + HDfprintf(stderr, "Opening skeleton file: %s\n", FILENAME); + + /* Open file skeleton */ + if((fid = open_skeleton(FILENAME, verbose)) < 0) { + HDfprintf(stderr, "Error opening skeleton file!\n"); + HDexit(1); + } /* end if */ + + /* Send a message to indicate "H5Fopen" is complete--releasing the file lock */ + h5_send_message(WRITER_MESSAGE, NULL, NULL); + + /* Emit informational message */ + if(verbose) + HDfprintf(stderr, "Adding records\n"); + + /* Append records to datasets */ + if(add_records(fid, verbose, (unsigned long)nrecords, (unsigned long)flush_count) < 0) { + HDfprintf(stderr, "Error appending records to datasets!\n"); + HDexit(1); + } /* end if */ + + /* Emit informational message */ + if(verbose) + HDfprintf(stderr, "Releasing symbols\n"); + + /* Clean up the symbols */ + if(shutdown_symbols() < 0) { + HDfprintf(stderr, "Error releasing symbols!\n"); + HDexit(1); + } /* end if */ + + /* Emit informational message */ + if(verbose) + HDfprintf(stderr, "Closing objects\n"); + + /* Close objects opened */ + if(H5Fclose(fid) < 0) { + HDfprintf(stderr, "Error closing file!\n"); + HDexit(1); + } /* end if */ + + return 0; +} |