Example #1
0
AccessTraceReader::AccessTraceReader(std::string _fname) : fname(_fname.c_str()) {
    hid_t fid = H5Fopen(fname.c_str(), H5F_ACC_RDONLY, H5P_DEFAULT);
    if (fid == H5I_INVALID_HID) panic("Could not open HDF5 file %s", fname.c_str());

    // Check that the trace finished
    hid_t fAttr = H5Aopen(fid, "finished", H5P_DEFAULT);
    uint32_t finished;
    H5Aread(fAttr, H5T_NATIVE_UINT, &finished);
    H5Aclose(fAttr);

    if (!finished) panic("Trace file %s unfinished (halted simulation?)", fname.c_str());

    // Populate numRecords & numChildren
    hsize_t nPackets;
    hid_t table = H5PTopen(fid, "accs");
    if (table == H5I_INVALID_HID) panic("Could not open HDF5 packet table");
    H5PTget_num_packets(table, &nPackets);
    numRecords = nPackets;

    hid_t ncAttr = H5Aopen(fid, "numChildren", H5P_DEFAULT);
    H5Aread(ncAttr, H5T_NATIVE_UINT, &numChildren);
    H5Aclose(ncAttr);

    curFrameRecord = 0;
    cur = 0;
    max = MIN(PT_CHUNKSIZE, numRecords);
    buf = max? gm_calloc<PackedAccessRecord>(max) : nullptr;

    if (max) {
        H5PTread_packets(table, 0, max, buf);
    }

    H5PTclose(table);
    H5Fclose(fid);
}
Example #2
0
/*-------------------------------------------------------------------------
 * test_open
 *
 * Tests opening and closing a FL packet table
 *
 *-------------------------------------------------------------------------
 */
static int test_open(hid_t fid)
{
    herr_t err;
    hid_t table;

    TESTING("H5PTopen");

    /* Open the table */
    table = H5PTopen(fid, PT_NAME);
    if( H5PTis_valid(table) < 0)
        goto error;
    if( H5PTis_varlen(table) != 0)
        goto error;

    /* Close the table */
    err = H5PTclose(table);
    if( err < 0)
        goto error;

    PASSED();
    return SUCCEED;

error:
      if (table > 0) H5PTclose(table);
      H5_FAILED();
      return FAIL;
}
Example #3
0
/*-------------------------------------------------------------------------
 * test_open
 *
 * Tests opening and closing a FL packet table
 *
 *-------------------------------------------------------------------------
 */
static int test_open(hid_t fid)
{
    herr_t err;
    hid_t table;

    TESTING("H5PTopen");

    /* Open the table */
    table = H5PTopen(fid, PT_NAME);
    if( H5PTis_valid(table) < 0)
        goto out;
#ifdef VLPT_REMOVED
    if( H5PTis_varlen(table) != 0)
        goto out;
#endif /* VLPT_REMOVED */

    /* Close the table */
    err = H5PTclose(table);
    if( err < 0)
        goto out;

    PASSED();
    return 0;

out:
    H5_FAILED();
    return -1;
}
Example #4
0
/*-------------------------------------------------------------------------
 * test_append
 *
 * Tests appending packets to a FL packet table
 *
 *-------------------------------------------------------------------------
 */
static int test_append(hid_t fid)
{
    herr_t err;
    hid_t table;
    hsize_t count;

    TESTING("H5PTappend");

    /* Open the table */
    table = H5PTopen(fid, PT_NAME);
    if( H5PTis_valid(table) < 0)
        goto out;

    /* Count the number of packets in the table  */
    err = H5PTget_num_packets(table, &count);
    if( err < 0)
        goto out;
    /* There should be 0 records in the table */
    if( count != 0 )
        goto out;

    /* Append one particle */
    err = H5PTappend(table, (size_t)1, &(testPart[0]));
    if( err < 0)
        goto out;

    /* Append several particles */
    err = H5PTappend(table, (size_t)6, &(testPart[1]));
    if( err < 0)
        goto out;

    /* Append one more particle */
    err = H5PTappend(table, (size_t)1, &(testPart[7]));
    if( err < 0)
        goto out;

    /* Count the number of packets in the table  */
    err = H5PTget_num_packets(table, &count);
    if( err < 0)
        goto out;
    /* There should be 8 records in the table now */
    if( count != 8 )
        goto out;

    /* Close the table */
    err = H5PTclose(table);
    if( err < 0)
        goto out;

    PASSED();
    return 0;

out:
    H5_FAILED();
    if( H5PTis_valid(table) < 0)
        H5PTclose(table);
    return -1;
}
Example #5
0
/*+++++++++++++++++++++++++
.IDENTifer   SDMF_rd_pt_metaTable
.PURPOSE     read metaTable records from SDMF last-limb/Sun databases
.INPUT/OUTPUT
  call as    SDMF_rd_pt_metaTable( locID, &numIndx, metaIndx, &mtbl );
     input:
           hid_t  locID        :  HDF5 identifier of group
	   size_t *metaIndx    :  array with requested indices
 in/output:
	   size_t *numIndx     :  [input]  dimension of metaIndx (or zero)
                                  [output] number of records read
    output:
           struct mtbl_pt_rec **mtbl : last-limb/Sun meta-table records

.RETURNS     nothing, error status passed by global variable ``nadc_stat''
.COMMENTS    static function
-------------------------*/
void SDMF_rd_pt_metaTable( hid_t locID, size_t *numIndx, size_t *metaIndx,
			     struct mtbl_pt_rec **mtbl_out )
{
     register size_t nr;

     hid_t   ptable;
     hsize_t nrecords;

     struct mtbl_pt_rec *mtbl;
/*
 * initialize return values 
 */
     if ( ! Use_Extern_Alloc ) *mtbl_out = NULL;
/*
 * does the table already exists?
 */
     if ( (ptable = H5PTopen( locID, "metaTable" )) == H5I_BADID ) return;
/*
 * obtain table info
 */
     (void) H5PTget_num_packets( ptable, &nrecords );
     if ( *numIndx == 0 ) {
	  *numIndx = (size_t) nrecords;
	  for ( nr = 0; nr < nrecords; nr++ ) metaIndx[nr] = nr;
     }
     if ( nrecords == 0 ) {
	  (void) H5PTclose( ptable );
          return;
     }
/*
 * allocate memory to store the metaTable records
 */
     if ( ! Use_Extern_Alloc ) {
	  mtbl = (struct mtbl_pt_rec *) 
	       malloc( (size_t) nrecords * sizeof(struct mtbl_pt_rec));
	  if ( mtbl == NULL )
	       NADC_RETURN_ERROR( NADC_ERR_ALLOC, "mtbl" );
     } else if ( (mtbl = mtbl_out[0]) == NULL )
	  NADC_RETURN_ERROR( NADC_ERR_ALLOC, "mtbl_out[0]" );
/*
 * read table records
 */
     if ( (*numIndx) == (size_t) nrecords ) {
	  (void) H5PTread_packets( ptable, 0, (size_t) nrecords, mtbl );
     } else {
	  nr = 0;
	  do {
	       (void) H5PTread_packets( ptable, (hsize_t) metaIndx[nr], 1, 
					mtbl+nr );
	  } while ( ++nr < (*numIndx) );
     }
     *mtbl_out = mtbl;
}
Example #6
0
/*-------------------------------------------------------------------------
 * test_read
 *
 * Tests that the packets appended by test_append can be read back.
 *
 *-------------------------------------------------------------------------
 */
static int test_read(hid_t fid)
{
    herr_t err;
    hid_t table;
    particle_t readBuf[NRECORDS];
    size_t c;

    TESTING("H5PTread_packets");

    /* Open the table */
    table = H5PTopen(fid, PT_NAME);
    if( H5PTis_valid(table) < 0)
        goto out;

    /* Read several particles */
    err = H5PTread_packets(table, (hsize_t)0, 3, &(readBuf[0]));
    if( err < 0)
        goto out;

    /* Read one particle */
    err = H5PTread_packets(table, (hsize_t)3, 1, &(readBuf[3]));
    if( err < 0)
        goto out;

    /* Read several particles */
    err = H5PTread_packets(table, (hsize_t)4, (NRECORDS - 4 ), &(readBuf[4]));
    if( err < 0)
        goto out;

    /* Ensure that particles were read correctly */
    for(c=0; c<NRECORDS; c++)
    {
        if( cmp_par(c%8, c, testPart, readBuf) != 0)
            goto out;
    }

    /* Close the table */
    err = H5PTclose(table);
    if( err < 0)
        goto out;

    PASSED();

    return 0;

out:
    H5_FAILED();
    if( H5PTis_valid(table) < 0)
        H5PTclose(table);
    return -1;
}
Example #7
0
/*+++++++++++++++++++++++++
.IDENTifer   SDMF_get_pt_jdayIndex
.PURPOSE     obtain indices to last-limb/Sun records for julianDay interval
.INPUT/OUTPUT
  call as    SDMF_get_pt_jdayIndex( locID, jdayRange, &numIndx, metaIndx );
     input:
           hid_t  locID        :  HDF5 identifier of group
	   double jdayRange[2] :  range in julianDay (min,max)
 in/output:
	   size_t *numIndx     :  [input]  dimension of metaIndx
                                  [output] number of indices found
    output:
	   size_t *metaIndx    :  array with requested indices

.RETURNS     nothing, error status passed by global variable ``nadc_stat''
.COMMENTS    static function
-------------------------*/
void SDMF_get_pt_jdayIndex( hid_t locID, const double jdayRange[],
			    size_t *numIndx, size_t *metaIndx )
{
     const size_t dimArray = *numIndx;

     register size_t nr;

     hid_t    ptable;
     hsize_t  nrecords;

     double   *jdayList;
/*
 * initialize return values
 */
     *numIndx = 0;
     *metaIndx = 0;
/*
 * check if jdayList exists
 */
     if ( (ptable = H5PTopen( locID, "jdayList" )) == H5I_BADID )
          NADC_RETURN_ERROR( NADC_ERR_HDF_DATA, "jdayList" );

     (void) H5PTget_num_packets( ptable, &nrecords );
     if ( nrecords == 0 ) {
          (void) H5PTclose( ptable );
          return;
     }
/*
 * read list of orbits stored sofar
 */
     jdayList = (double *) malloc( (size_t) nrecords * sizeof(double) );
     if ( jdayList == NULL )
          NADC_GOTO_ERROR( NADC_ERR_ALLOC, "jdayList" );
     (void) H5PTread_packets( ptable, 0, (size_t) nrecords, jdayList );
/*
 * find all matches
 */
     for ( nr = 0; nr < (size_t) nrecords; nr++ ) {
          if ( jdayList[nr] >= jdayRange[0] && jdayList[nr] <= jdayRange[1] ) {
	       metaIndx[*numIndx] = nr;
	       if ( ++(*numIndx) == dimArray ) break;
	  }
     }
     free( jdayList );
done:
     (void) H5PTclose( ptable );
}
Example #8
0
/*+++++++++++++++++++++++++
.IDENTifer   SDMF_get_pt_orbitIndex
.PURPOSE     obtain indices to last-limb/Sun records for given orbit number
.INPUT/OUTPUT
  call as    SDMF_get_pt_orbitIndex( locID, absOrbit, &numIndx, metaIndx );
     input:
           hid_t  locID        :  HDF5 identifier of group
	   int    absOrbit     :  orbit number
 in/output:
	   size_t *numIndx     :  [input]  dimension of metaIndx
                                  [output] number of indices found
    output:
	   size_t *metaIndx    :  array with requested indices

.RETURNS     nothing, error status passed by global variable ``nadc_stat''
.COMMENTS    static function
-------------------------*/
void SDMF_get_pt_orbitIndex( hid_t locID, int absOrbit, 
			     size_t *numIndx, size_t *metaIndx )
{
     const size_t dimArray = *numIndx;

     register size_t nr;

     hid_t    ptable;
     hsize_t  nrecords;

     int      *orbitList;
/*
 * initialize return values
 */
     *numIndx = 0;
     *metaIndx = 0;
/*
 * check if orbitList exists
 */
     if ( (ptable = H5PTopen( locID, "orbitList" )) == H5I_BADID )
          NADC_RETURN_ERROR( NADC_ERR_HDF_DATA, "orbitList" );

     (void) H5PTget_num_packets( ptable, &nrecords );
     if ( nrecords == 0 ) {
          (void) H5PTclose( ptable );
          return;
     }
/*
 * read list of orbits stored sofar
 */
     orbitList = (int *) malloc( (size_t) nrecords * sizeof(int) );
     if ( orbitList == NULL )
          NADC_GOTO_ERROR( NADC_ERR_ALLOC, "orbitList" );
     (void) H5PTread_packets( ptable, 0, (size_t) nrecords, orbitList );
/*
 * find all matches
 */
     for ( nr = 0; nr < (size_t) nrecords; nr++ ) {
          if ( orbitList[nr] == absOrbit ) {
	       metaIndx[*numIndx] = nr;
	       if ( ++(*numIndx) == dimArray ) break;
	  }
     }
     free( orbitList );
done:
     (void) H5PTclose( ptable );
}
Example #9
0
void AccessTraceReader::nextChunk() {
    assert(cur == max);
    curFrameRecord += max;

    if (curFrameRecord < numRecords) {
        cur = 0;
        max = MIN(PT_CHUNKSIZE, numRecords - curFrameRecord);
        hid_t fid = H5Fopen(fname.c_str(), H5F_ACC_RDONLY, H5P_DEFAULT);
        if (fid == H5I_INVALID_HID) panic("Could not open HDF5 file %s", fname.c_str());
        hid_t table = H5PTopen(fid, "accs");
        if (table == H5I_INVALID_HID) panic("Could not open HDF5 packet table");
        H5PTread_packets(table, curFrameRecord, max, buf);
        H5PTclose(table);
        H5Fclose(fid);
    } else {
        assert_msg(curFrameRecord == numRecords, "%ld %ld", curFrameRecord, numRecords);  // aaand we're done
    }
}
Example #10
0
void AccessTraceWriter::dump(bool cont) {
    hid_t fid = H5Fopen(fname.c_str(), H5F_ACC_RDWR, H5P_DEFAULT);
    if (fid == H5I_INVALID_HID) panic("Could not open HDF5 file %s", fname.c_str());
    hid_t table = H5PTopen(fid, "accs");
    if (table == H5I_INVALID_HID) panic("Could not open HDF5 packet table");
    herr_t err = H5PTappend(table, cur, buf);
    assert(err >= 0);

    if (!cont) {
        hid_t fAttr = H5Aopen(fid, "finished", H5P_DEFAULT);
        uint32_t finished = 1;
        H5Awrite(fAttr, H5T_NATIVE_UINT, &finished);
        H5Aclose(fAttr);

        gm_free(buf);
        buf = nullptr;
        max = 0;
    }

    cur = 0;
    H5PTclose(table);
    H5Fclose(fid);
}
Example #11
0
void print_trial_info(hid_t trial,int num_trial) {

    char string_data[512];
    hid_t string_type = H5Tcopy(H5T_C_S1);
    size_t string_size = 512;
    H5Tset_size(string_type,string_size);

    printf("Trial #%d\n",num_trial);

    hid_t data = H5Dopen(trial,"Date",H5P_DEFAULT);
    H5Dread(data,string_type,H5S_ALL,H5S_ALL,H5P_DEFAULT,string_data);
    H5Dclose(data);

    printf("\tDate: %s\n",string_data);

    data = H5Dopen(trial,"Synchronous Data/Channel Data",H5P_DEFAULT);
    hsize_t nchans = H5Tget_size(H5Dget_type(data))/sizeof(double);
    H5Dclose(data);

    data = H5PTopen(trial,"Synchronous Data/Channel Data");
    hsize_t nsamples;
    H5PTget_num_packets(data,&nsamples);

    printf("\t%llu Channels X %llu samples\n",nchans,nsamples);

    for(int i=1;i<=nchans;++i) {
        std::stringstream channel_name;
        channel_name << "Synchronous Data/Channel "  << i << " Name";
        data = H5Dopen(trial,channel_name.str().c_str(),H5P_DEFAULT);
        H5Dread(data,string_type,H5S_ALL,H5S_ALL,H5P_DEFAULT,string_data);
        H5Dclose(data);

        printf("\t\t#%d: %s\n",i,string_data);
    }

    printf("\n");
}
Example #12
0
/*+++++++++++++++++++++++++
.IDENTifer   SDMF_rd_pt_pointing
.PURPOSE     read pointing infor for cluster records from SDMF database
.INPUT/OUTPUT
  call as    SDMF_rd_pt_pointing( locID, &numIndx, metaIndx, pointing );
     input:
           hid_t  locID          :  HDF5 identifier of group
	   size_t *metaIndx      :  array with requested indices
 in/output:
	   size_t *numIndx       :  [input]  dimension of metaIndx (or zero)
                                    [output] number of records read
    output:
           struct geo_pt_rec *pointing : pointing of cluster records

.RETURNS     nothing, error status passed by global variable ``nadc_stat''
.COMMENTS    static function
-------------------------*/
void SDMF_rd_pt_pointing( hid_t locID, size_t *numIndx, size_t *metaIndx,
			    struct geo_pt_rec *pointing )
{
     register size_t  nr;

     unsigned short num_obs;

     hid_t   ptable;
     hsize_t nrecords;
/*
 * does the dataset already exists?
 */
     if ( (ptable = H5PTopen( locID, "pointing" )) == H5I_BADID ) return;
/*
 * obtain table info
 */
     (void) H5PTget_num_packets( ptable, &nrecords );
     if ( *numIndx == 0 ) {
	  *numIndx = (size_t) nrecords;
	  for ( nr = 0; nr < nrecords; nr++ ) metaIndx[nr] = nr;
     }
     if ( nrecords == 0 ) {
	  (void) H5PTclose( ptable );
          return;
     }
     (void) H5LTget_attribute_ushort( locID, "pointing", "numObs", &num_obs );
/*
 * read pointing records
 */
     nr = 0;
     do {
	  if ( nr > 0 ) pointing += num_obs;
	  (void) H5PTread_packets( ptable, (hsize_t) metaIndx[nr], 
				   1, pointing );
     } while ( ++nr < (*numIndx) );
}
Example #13
0
/* "Open" Constructor
 * Opens an existing packet table, which can contain either fixed-length or
 * variable-length packets.
 */
PacketTable::PacketTable(hid_t fileID, const char* name)
{
    table_id = H5PTopen( fileID, name);
}
Example #14
0
/*-------------------------------------------------------------------------
 * test_error
 *
 * ensures that the packet table API throws the correct errors used on
 * objects that are not packet tables.
 *
 *-------------------------------------------------------------------------
 */
static int test_error(hid_t fid)
{
    hid_t id = H5I_BADID;
    int id_open=0;
    particle_t readBuf[1];

    TESTING("error conditions");

    /* Create a HL table */
    if(create_hl_table(fid) < 0)
        goto out;

    /* Try to open things that are not packet tables */
    H5E_BEGIN_TRY
    if(H5PTopen(fid, "Bogus_name") >= 0)
        goto out;
    if(H5PTopen(fid, "group1") >= 0)
        goto out;
    H5E_END_TRY

    /* Try to execute packet table commands on an invalid ID */
    H5E_BEGIN_TRY
    if(H5PTis_valid(id) >= 0)
        goto out;
#ifdef VLPT_REMOVED
    if(H5PTis_varlen(id) >= 0)
        goto out;
#endif /* VLPT_REMOVED */
    if(H5PTclose(id) >= 0)
        goto out;
    if(H5PTappend(id, (size_t)1, testPart) >= 0)
        goto out;
    if(H5PTread_packets(id, (hsize_t)0, 1, readBuf) >= 0)
        goto out;
    if(H5PTcreate_index(id) >= 0)
        goto out;
    if(H5PTset_index(id, (hsize_t)1) >= 0)
        goto out;
    if(H5PTget_index(id, NULL) >= 0)
        goto out;
    H5E_END_TRY

    /* Open a high-level non-packet (H5TB) table and try to */
    /* execute commands on it. */
    if((id=H5Dopen2(fid, H5TB_TABLE_NAME, H5P_DEFAULT)) <0)
        goto out;
    id_open = 1;

    H5E_BEGIN_TRY
    if(H5PTis_valid(id) >= 0)
        goto out;
#ifdef VLPT_REMOVED
    if(H5PTis_varlen(id) >= 0)
        goto out;
#endif /* VLPT_REMOVED */
    if(H5PTclose(id) >= 0)
        goto out;
    if(H5PTappend(id, (size_t)1, testPart) >= 0)
        goto out;
    if(H5PTread_packets(id, (hsize_t)0, 1, readBuf) >= 0)
        goto out;
    if(H5PTcreate_index(id) >= 0)
        goto out;
    if(H5PTset_index(id, (hsize_t)1) >= 0)
        goto out;
    if(H5PTget_index(id, NULL) >= 0)
        goto out;
    H5E_END_TRY

    id_open=0;
    if(H5Dclose(id) <0)
        goto out;

    /* Open and close a packet table.  Try to execute */
    /* commands on the closed ID. */
    if((id=H5PTopen(fid, PT_NAME))<0)
        goto out;
    if(H5PTclose(id) <0)
        goto out;

    H5E_BEGIN_TRY
    if(H5PTis_valid(id) >= 0)
        goto out;
#ifdef VLPT_REMOVED
    if(H5PTis_varlen(id) >= 0)
        goto out;
#endif /* VLPT_REMOVED */
    if(H5PTclose(id) >= 0)
        goto out;
    if(H5PTappend(id, (size_t)1, testPart) >= 0)
        goto out;
    if(H5PTread_packets(id, (hsize_t)0, 1, readBuf) >= 0)
        goto out;
    if(H5PTcreate_index(id) >= 0)
        goto out;
    if(H5PTset_index(id, (hsize_t)1) >= 0)
        goto out;
    if(H5PTget_index(id, NULL) >= 0)
        goto out;
    H5E_END_TRY

    PASSED();
    return 0;

out:
    H5_FAILED();
    if(id_open)
        H5Dclose(id);
    return -1;
}
Example #15
0
/*-------------------------------------------------------------------------
 * test_rw_non-native_dt
 *
 * test reading and writing packet table using datatypes that are not
 * native.
 *
 *-------------------------------------------------------------------------
 */
static int test_rw_nonnative_dt(hid_t fid)
{
    hid_t          ptable;     /* Packet table identifier */

    herr_t         err;        /* Function return status */
    hsize_t        count;      /* Number of records in the table */

    int            x;          /* Loop variable */

    /* Buffers to hold data */
    int writeBuffer[5];
    int readBuffer[5];

    TESTING("reading/writing non-native packet table");

    /* Initialize buffers */
    for(x=0; x<5; x++) {
        writeBuffer[x]=x;
        readBuffer[x] = -1;
    }

    /* Create a fixed-length packet table within the file */
    /* This table's "packets" will be simple integers and it will use no compression */
    if(H5Tget_order(H5T_NATIVE_INT) == H5T_ORDER_LE) {
        ptable = H5PTcreate_fl(fid, "Packet Test Dataset, Non-native", H5T_STD_I32BE, (hsize_t)100, -1);
    } else {
        ptable = H5PTcreate_fl(fid, "Packet Test Dataset, Non-native", H5T_STD_I32LE, (hsize_t)100, -1);
    }
    if(ptable == H5I_INVALID_HID)
        goto out;

    /* Write one packet to the packet table */
    if( (err = H5PTappend(ptable, (hsize_t)1, &(writeBuffer[0]))) < 0 )
        goto out;

    /* Write several packets to the packet table */
    if( (err = H5PTappend(ptable, (hsize_t)4, &(writeBuffer[1]))) < 0)
        goto out;

    if( (err = H5PTclose(ptable)) < 0)
        goto out;

    /* Open the Packet table */
    if( (ptable = H5PTopen(fid, "Packet Test Dataset, Non-native")) < 0)
        goto out;

    /* Get the number of packets in the packet table.  This should be five. */
    if( (err = H5PTget_num_packets(ptable, &count)) < 0)
        goto out;

    if( (int)count != 5 )
        goto out;

    /* Initialize packet table's "current record" */
    if( (err = H5PTcreate_index(ptable)) < 0)
        goto out;

    /* Iterate through packets, read each one back */
    for(x=0; x<5; x++) {
        if( (err = H5PTget_next(ptable, (hsize_t)1, &(readBuffer[x]))) < 0)
            goto out;
        if( x != readBuffer[x])
            goto out;
    }

    /* Close the packet table */
    if( (err = H5PTclose(ptable)) < 0)
        goto out;

    PASSED();
    return 0;

out:
    H5_FAILED();
    if( H5PTis_valid(ptable) < 0)
        H5PTclose(ptable);
    return -1;
}
Example #16
0
/*-------------------------------------------------------------------------
 * test_varlen
 *
 * Tests creation, opening, closing, writing, reading, etc. on a
 * variable-length packet table.
 *
 *-------------------------------------------------------------------------
 */
static int    test_varlen(hid_t fid)
{
    herr_t err;
    hid_t table=H5I_BADID;
    hsize_t count;

    /* Buffers to hold data */
    hvl_t writeBuffer[NRECORDS];
    hvl_t readBuffer[NRECORDS];

    /* This example has three different sizes of "record": longs, shorts, and particles */
    long longBuffer[NRECORDS];
    short shortBuffer[NRECORDS];
    int x;

    TESTING("variable-length packet tables");

    /* Initialize buffers */
    for(x=0; x<NRECORDS; x++)
    {
        longBuffer[x] = -x;
        shortBuffer[x] = x;
    }

    /* Fill the write buffer with a mix of variable types */
    for(x=0; x<8; x+=4)
    {
        writeBuffer[x].len = sizeof(long);
        writeBuffer[x].p = &(longBuffer[x]);
        writeBuffer[x+1].len = sizeof(short);
        writeBuffer[x+1].p = &(shortBuffer[x+1]);
        writeBuffer[x+2].len = sizeof(long);
        writeBuffer[x+2].p = &(longBuffer[x+2]);
        writeBuffer[x+3].len = sizeof(particle_t);
        writeBuffer[x+3].p = &(testPart[x+3]);
    }

    /* Create the table */
    table = H5PTcreate_vl(fid, VL_TABLE_NAME, (hsize_t)1001);
    if( H5PTis_valid(table) < 0)
        goto out;
    if( H5PTis_varlen(table) != 1)
        goto out;

    /* Count the number of packets in the table  */
    err = H5PTget_num_packets(table, &count);
    if( err < 0)
        goto out;
    if( count != 0 )
        goto out;

    /* Close the table */
    err = H5PTclose(table);
    if( err < 0)
        goto out;

    /* Re-open the table */
    table = H5PTopen(fid, VL_TABLE_NAME);
    if( H5PTis_valid(table) < 0)
        goto out;
    if( H5PTis_varlen(table) != 1)
        goto out;

    /* Count the number of packets in the table  */
    err = H5PTget_num_packets(table, &count);
    if( err < 0)
        goto out;
    if( count != 0 )
        goto out;

    /* Add several variable-length packets */
    err = H5PTappend(table, (size_t)8, writeBuffer );
    if(err < 0)
        goto out;

    /* Read them back */
    err = H5PTread_packets(table, (hsize_t)0, 4, &(readBuffer[0]));
    if( err < 0)
        goto out;
    err = H5PTread_packets(table, (hsize_t)4, 1, &(readBuffer[4]));
    if( err < 0)
        goto out;
    err = H5PTread_packets(table, (hsize_t)5, (NRECORDS - 5 ), &(readBuffer[5]));
    if( err < 0)
        goto out;

    /* Ensure that packets were read correctly */
    for(x=0; x<NRECORDS; x++)
    {
        if( readBuffer[x].len != writeBuffer[x%4].len)
            goto out;
        switch(x%4)
        {
        case 0:
        case 2:
            if( *((long*)(readBuffer[x].p)) != *((long*)(writeBuffer[x].p)))
                goto out;
            break;
        case 1:
            if( *((short*)(readBuffer[x].p)) != *((short*)(writeBuffer[x].p)))
                goto out;
            break;
        case 3:
            if( cmp_par(0, 0, readBuffer[x].p, writeBuffer[x].p) < 0)
                goto out;
            break;
        default:
            goto out;
        }
    }

    /* Free memory used by read buffer */
    if(H5PTfree_vlen_readbuff(table, NRECORDS, readBuffer) <0)
        goto out;

    /* Read packets back using get_next */
    for(x=0; x < NRECORDS; x++)
    {
        err = H5PTget_next(table, 1, &readBuffer[x]);
        if(err < 0)
            goto out;
    }

    /* Ensure that packets were read correctly */
    for(x=0; x<NRECORDS; x++)
    {
        if( readBuffer[x].len != writeBuffer[x%4].len)
            goto out;
        switch(x%4)
        {
        case 0:
        case 2:
            if( *((long*)(readBuffer[x].p)) != *((long*)(writeBuffer[x].p)))
                goto out;
            break;
        case 1:
            if( *((short*)(readBuffer[x].p)) != *((short*)(writeBuffer[x].p)))
                goto out;
            break;
        case 3:
            if( cmp_par(0, 0, readBuffer[x].p, writeBuffer[x].p) < 0)
                goto out;
            break;
        default:
            goto out;
        }
    }

    /* Free memory used by read buffer */
    if(H5PTfree_vlen_readbuff(table, NRECORDS, readBuffer) <0)
        goto out;

    /* Close the table */
    err = H5PTclose(table);
    if( err < 0)
        goto out;

    PASSED();
    return 0;

out:
    H5_FAILED();
    H5E_BEGIN_TRY
    H5PTclose(table);
    H5E_END_TRY
    return -1;
}
Example #17
0
/*-------------------------------------------------------------------------
 * test_get_next
 *
 * Tests the packets written by test_append can be read by
 * H5PTget_next().
 *
 *-------------------------------------------------------------------------
 */
static int test_get_next(hid_t fid)
{
    herr_t err;
    hid_t table;
    particle_t readBuf[NRECORDS];
    particle_t readBuf2[NRECORDS];
    size_t c;

    TESTING("H5PTget_next");

    /* Open the table */
    table = H5PTopen(fid, PT_NAME);
    if( H5PTis_valid(table) < 0)
        goto out;

    /* Read several particles consecutively */
    for(c=0; c < NRECORDS; c++)
    {
        err = H5PTget_next(table, 1, &readBuf[c]);
        if(err < 0)
            goto out;
    }

    /* Ensure that particles were read correctly */
    for(c=0; c<NRECORDS; c++)
    {
        if( cmp_par(c, c, testPart, readBuf) != 0)
            goto out;
    }

    H5PTcreate_index(table);

    /* Read particles two by two */
    for(c=0; c < NRECORDS / 2; c++)
    {
        err = H5PTget_next(table, 2, &readBuf2[c * 2]);
        if(err < 0)
            goto out;
    }

    /* Ensure that particles were read correctly */
    for(c=0; c<NRECORDS; c++)
    {
        if( cmp_par(c, c, testPart, readBuf2) != 0)
            goto out;
    }

    /* Close the table */
    err = H5PTclose(table);
    if( err < 0)
        goto out;

    PASSED();
    return 0;

out:
    H5_FAILED();
    if( H5PTis_valid(table) < 0)
        H5PTclose(table);
    return -1;
}
Example #18
0
/*+++++++++++++++++++++++++
.IDENTifer   SDMF_rd_pt_cluster
.PURPOSE     read cluster records from SDMF last-limb/Sun database
.INPUT/OUTPUT
  call as    SDMF_rd_pt_cluster( locID, clus_id, &numIndx, metaIndx, 
                                   pixel_val );
     input:
           hid_t  locID          :  HDF5 identifier of group
	   unsigned char clus_id :  Cluster ID, range 1 - 40
	   size_t *metaIndx      :  array with requested indices
 in/output:
	   size_t *numIndx       :  [input]  dimension of metaIndx (or zero)
                                    [output] number of records read
    output:
           float *pixel_val      : pixel values of SDMF last-limb/Sun database

.RETURNS     nothing, error status passed by global variable ``nadc_stat''
.COMMENTS    static function
-------------------------*/
void SDMF_rd_pt_cluster( hid_t locID, unsigned char clus_id, 
			   size_t *numIndx, size_t *metaIndx,
			   float *pixel_val )
{
     register size_t  nr, np;

     char           clusName[11];
     unsigned char  coaddf;
     unsigned short num_pixels, num_obs, *usbuff;
     unsigned int   *ubuff;

     hid_t   ptable;
     hsize_t nrecords;
     size_t  total_values;
/*
 * does the dataset already exists?
 */
     (void) snprintf( clusName, 11, "cluster_%02hhu", clus_id );
     if ( (ptable = H5PTopen( locID, clusName )) == H5I_BADID ) return;
/*
 * obtain table info
 */
     (void) H5PTget_num_packets( ptable, &nrecords );
     if ( *numIndx == 0 ) {
	  *numIndx = (size_t) nrecords;
	  for ( nr = 0; nr < nrecords; nr++ ) metaIndx[nr] = nr;
     }
     if ( nrecords == 0 ) {
	  (void) H5PTclose( ptable );
          return;
     }
     (void) H5LTget_attribute_uchar( locID, clusName, "coaddf", &coaddf );
     (void) H5LTget_attribute_ushort( locID, clusName, "numObs", &num_obs );
     (void) H5LTget_attribute_ushort( locID, clusName,"numPixels",&num_pixels );
     total_values = (size_t) num_obs * num_pixels;
/*
 * allocate temporary buffer to store cluster data
 */
     if ( coaddf == (unsigned char) 1 ) {
	  usbuff = (unsigned short *) malloc( total_values * sizeof(short) );
	  ubuff = NULL;
     } else {
	  usbuff = NULL;
	  ubuff = (unsigned int *) malloc( total_values * sizeof(int) );
     }
/*
 * read cluster records
 */
     nr = 0;
     do {
	  if ( coaddf == (unsigned char) 1 ) {
	       (void) H5PTread_packets( ptable, (hsize_t) metaIndx[nr], 
					1, usbuff );
	       for ( np = 0; np < total_values; np++ )
		    *pixel_val++ = (float) usbuff[np];
	  } else {
	       (void) H5PTread_packets( ptable, (hsize_t) metaIndx[nr], 
					1, ubuff );
	       for ( np = 0; np < total_values; np++ ) {
		    *pixel_val++ = (float) ubuff[np];
	       }
	  }
     } while ( ++nr < (*numIndx) );

     if ( usbuff != NULL ) free( usbuff );
     if ( ubuff != NULL  ) free( ubuff );
}
Example #19
0
int main(int argc,char *argv[]) {
    struct options opts = {
        0,
        1,
        0,
        0,
        -1,
        1,
        0,
        -1,
        1,
        NULL,
    };

    getopts(argc,argv,&opts);

    H5Eset_auto2(H5E_DEFAULT,NULL,NULL);

    hid_t fid = H5Fopen(opts.filename,H5F_ACC_RDONLY,H5P_DEFAULT);
    if(fid < 0) {
        fprintf(stderr,"Failed to open %s.\n",opts.filename);
        return fid;
    }

    if(opts.info) {
        // count the number of trials in the file        
        hid_t trial;
        int num_trials = 0;
        std::stringstream trial_name;

        for(;;) {
            trial_name.str("");
            trial_name << "/Trial" << num_trials+1;

            if((trial = H5Gopen(fid,trial_name.str().c_str(),H5P_DEFAULT)) < 0)
                break;
            else {
                print_trial_info(trial,++num_trials);
                H5Gclose(trial);
            }
        }

        H5Fclose(fid);
        return 0;
    }

    std::stringstream data_name;
    data_name << "/Trial" << opts.trial << "/Synchronous Data/Channel Data";

    hid_t table = H5Dopen(fid,data_name.str().c_str(),H5P_DEFAULT);
    if(table < 0) {
        fprintf(stderr,"Requested trial #%d does not exist.\n",opts.trial);
        return table;
    }

    hsize_t ncols = H5Tget_size(H5Dget_type(table))/sizeof(double);
    H5Dclose(table);

    table = H5PTopen(fid,data_name.str().c_str());
    hsize_t nrows;
    H5PTget_num_packets(table,&nrows);

    // validate column and row ranges
    if(opts.cols_end == -1 || opts.cols_end >= ncols)
        opts.cols_end = ncols-1;
    if(opts.rows_end == -1 || opts.rows_end >= nrows)
        opts.rows_end = nrows-1;
    opts.cols_end -= (opts.cols_end-opts.cols_start)%opts.cols_step;
    opts.rows_end -= (opts.rows_end-opts.rows_start)%opts.rows_step;
    if((opts.cols_start-opts.cols_end)*opts.cols_step > 0)
        opts.cols_step *= -1;
    if((opts.rows_start-opts.rows_end)*opts.rows_step > 0)
        opts.rows_step *= -1;

    int row_idx = opts.rows_start;
    do {

        H5PTset_index(table,row_idx);

        double data[ncols];
        H5PTget_next(table,1,data);

        int col_idx = opts.cols_start;
        do {
            if(opts.binary) {
                write(1,data+col_idx,sizeof(double));
            } else {
                printf("%e ",data[col_idx]);
            }

            if(col_idx == opts.cols_end)
                break;
            col_idx += opts.cols_step;
        } while(1);

        if(!opts.binary)
            printf("\n");

        if(row_idx == opts.rows_end)
            break;
        row_idx += opts.rows_step;
    } while(1);

    H5PTclose(table);
    H5Fclose(fid);

    return 0;
}