/***************************************************************************
* msr_update_header:
*
* Update the header values that change between records: start time,
* sequence number, etc.
*
* Returns 0 on success or -1 on error.
***************************************************************************/
static int
msr_update_header ( MSRecord *msr, char *rawrec, flag swapflag,
struct blkt_1001_s *blkt1001, flag verbose )
{
struct fsdh_s *fsdh;
char seqnum[7];
if ( ! msr || ! rawrec )
return -1;
if ( verbose > 2 )
ms_log (1, "%s: Updating fixed section of data header\n", PACK_SRCNAME);
fsdh = (struct fsdh_s *) rawrec;
/* Pack values into the fixed section of header */
snprintf (seqnum, 7, "%06d", msr->sequence_number);
memcpy (fsdh->sequence_number, seqnum, 6);
/* Update fixed-section start time */
ms_hptime2btime (msr->starttime, &(fsdh->start_time));
/* Swap byte order? */
if ( swapflag )
{
MS_SWAPBTIME (&fsdh->start_time);
}
/* Update microseconds if Blockette 1001 is present */
if ( msr->Blkt1001 && blkt1001 )
{
hptime_t sec, usec;
/* Calculate microseconds offset */
sec = msr->starttime / (HPTMODULUS / 10000);
usec = msr->starttime - (sec * (HPTMODULUS / 10000));
usec /= (HPTMODULUS / 1000000);
/* Update microseconds offset in blockette chain entry */
msr->Blkt1001->usec = (int8_t) usec;
/* Update microseconds offset in packed header */
blkt1001->usec = (int8_t) usec;
}
return 0;
} /* End of msr_update_header() */
/***************************************************************************
* msr_update_header:
*
* Update the header values that change between records: start time,
* sequence number, etc.
*
* Returns 0 on success or -1 on error.
***************************************************************************/
static int
msr_update_header (MSRecord *msr, char *rawrec, flag swapflag,
struct blkt_1001_s *blkt1001, char *srcname, flag verbose)
{
struct fsdh_s *fsdh;
hptime_t hptimems;
int8_t usecoffset;
char seqnum[7];
if (!msr || !rawrec)
return -1;
if (verbose > 2)
ms_log (1, "%s: Updating fixed section of data header\n", srcname);
fsdh = (struct fsdh_s *)rawrec;
/* Pack values into the fixed section of header */
snprintf (seqnum, 7, "%06d", msr->sequence_number);
memcpy (fsdh->sequence_number, seqnum, 6);
/* Get start time rounded to tenths of milliseconds and microsecond offset */
ms_hptime2tomsusecoffset (msr->starttime, &hptimems, &usecoffset);
/* Update fixed-section start time */
ms_hptime2btime (hptimems, &(fsdh->start_time));
/* Swap byte order? */
if (swapflag)
{
MS_SWAPBTIME (&fsdh->start_time);
}
/* Update microsecond offset value if Blockette 1001 is present */
if (msr->Blkt1001 && blkt1001)
{
/* Update microseconds offset in blockette chain entry */
msr->Blkt1001->usec = usecoffset;
/* Update microseconds offset in packed header */
blkt1001->usec = usecoffset;
}
return 0;
} /* End of msr_update_header() */
/***************************************************************************
* msr_pack_header_raw:
*
* Pack data header/blockettes into the specified SEED data record.
*
* Returns the header length in bytes on success or -1 on error.
***************************************************************************/
static int
msr_pack_header_raw ( MSRecord *msr, char *rawrec, int maxheaderlen,
flag swapflag, flag normalize,
struct blkt_1001_s **blkt1001, flag verbose )
{
struct blkt_link_s *cur_blkt;
struct fsdh_s *fsdh;
int16_t offset;
int blktcnt = 0;
int nextoffset;
if ( ! msr || ! rawrec )
return -1;
/* Make sure a fixed section of data header is available */
if ( ! msr->fsdh )
{
msr->fsdh = (struct fsdh_s *) calloc (1, sizeof (struct fsdh_s));
if ( msr->fsdh == NULL )
{
ms_log (2, "msr_pack_header_raw(%s): Cannot allocate memory\n",
PACK_SRCNAME);
return -1;
}
}
/* Update the SEED structures associated with the MSRecord */
if ( normalize )
if ( msr_normalize_header (msr, verbose) < 0 )
{
ms_log (2, "msr_pack_header_raw(%s): error normalizing header values\n",
PACK_SRCNAME);
return -1;
}
if ( verbose > 2 )
ms_log (1, "%s: Packing fixed section of data header\n", PACK_SRCNAME);
if ( maxheaderlen > msr->reclen )
{
ms_log (2, "msr_pack_header_raw(%s): maxheaderlen of %d is beyond record length of %d\n",
PACK_SRCNAME, maxheaderlen, msr->reclen);
return -1;
}
if ( maxheaderlen < sizeof(struct fsdh_s) )
{
ms_log (2, "msr_pack_header_raw(%s): maxheaderlen of %d is too small, must be >= %d\n",
PACK_SRCNAME, maxheaderlen, sizeof(struct fsdh_s));
return -1;
}
fsdh = (struct fsdh_s *) rawrec;
offset = 48;
/* Roll-over sequence number if necessary */
if ( msr->sequence_number > 999999 )
msr->sequence_number = 1;
/* Copy FSDH associated with the MSRecord into the record */
memcpy (fsdh, msr->fsdh, sizeof(struct fsdh_s));
/* Swap byte order? */
if ( swapflag )
{
MS_SWAPBTIME (&fsdh->start_time);
ms_gswap2 (&fsdh->numsamples);
ms_gswap2 (&fsdh->samprate_fact);
ms_gswap2 (&fsdh->samprate_mult);
ms_gswap4 (&fsdh->time_correct);
ms_gswap2 (&fsdh->data_offset);
ms_gswap2 (&fsdh->blockette_offset);
}
/* Traverse blockette chain and pack blockettes at 'offset' */
cur_blkt = msr->blkts;
while ( cur_blkt && offset < maxheaderlen )
{
/* Check that the blockette fits */
if ( (offset + 4 + cur_blkt->blktdatalen) > maxheaderlen )
{
ms_log (2, "msr_pack_header_raw(%s): header exceeds maxheaderlen of %d\n",
PACK_SRCNAME, maxheaderlen);
break;
}
/* Pack blockette type and leave space for next offset */
memcpy (rawrec + offset, &cur_blkt->blkt_type, 2);
if ( swapflag ) ms_gswap2 (rawrec + offset);
nextoffset = offset + 2;
offset += 4;
if ( cur_blkt->blkt_type == 100 )
{
struct blkt_100_s *blkt_100 = (struct blkt_100_s *) (rawrec + offset);
memcpy (blkt_100, cur_blkt->blktdata, sizeof (struct blkt_100_s));
offset += sizeof (struct blkt_100_s);
if ( swapflag )
{
ms_gswap4 (&blkt_100->samprate);
}
}
else if ( cur_blkt->blkt_type == 200 )
{
struct blkt_200_s *blkt_200 = (struct blkt_200_s *) (rawrec + offset);
memcpy (blkt_200, cur_blkt->blktdata, sizeof (struct blkt_200_s));
offset += sizeof (struct blkt_200_s);
if ( swapflag )
{
ms_gswap4 (&blkt_200->amplitude);
ms_gswap4 (&blkt_200->period);
ms_gswap4 (&blkt_200->background_estimate);
MS_SWAPBTIME (&blkt_200->time);
}
}
else if ( cur_blkt->blkt_type == 201 )
{
struct blkt_201_s *blkt_201 = (struct blkt_201_s *) (rawrec + offset);
memcpy (blkt_201, cur_blkt->blktdata, sizeof (struct blkt_201_s));
offset += sizeof (struct blkt_201_s);
if ( swapflag )
{
ms_gswap4 (&blkt_201->amplitude);
ms_gswap4 (&blkt_201->period);
ms_gswap4 (&blkt_201->background_estimate);
MS_SWAPBTIME (&blkt_201->time);
}
}
else if ( cur_blkt->blkt_type == 300 )
{
struct blkt_300_s *blkt_300 = (struct blkt_300_s *) (rawrec + offset);
memcpy (blkt_300, cur_blkt->blktdata, sizeof (struct blkt_300_s));
offset += sizeof (struct blkt_300_s);
if ( swapflag )
{
MS_SWAPBTIME (&blkt_300->time);
ms_gswap4 (&blkt_300->step_duration);
ms_gswap4 (&blkt_300->interval_duration);
ms_gswap4 (&blkt_300->amplitude);
ms_gswap4 (&blkt_300->reference_amplitude);
}
}
else if ( cur_blkt->blkt_type == 310 )
{
struct blkt_310_s *blkt_310 = (struct blkt_310_s *) (rawrec + offset);
memcpy (blkt_310, cur_blkt->blktdata, sizeof (struct blkt_310_s));
offset += sizeof (struct blkt_310_s);
if ( swapflag )
{
MS_SWAPBTIME (&blkt_310->time);
ms_gswap4 (&blkt_310->duration);
ms_gswap4 (&blkt_310->period);
ms_gswap4 (&blkt_310->amplitude);
ms_gswap4 (&blkt_310->reference_amplitude);
}
}
else if ( cur_blkt->blkt_type == 320 )
{
struct blkt_320_s *blkt_320 = (struct blkt_320_s *) (rawrec + offset);
memcpy (blkt_320, cur_blkt->blktdata, sizeof (struct blkt_320_s));
offset += sizeof (struct blkt_320_s);
if ( swapflag )
{
MS_SWAPBTIME (&blkt_320->time);
ms_gswap4 (&blkt_320->duration);
ms_gswap4 (&blkt_320->ptp_amplitude);
ms_gswap4 (&blkt_320->reference_amplitude);
}
}
else if ( cur_blkt->blkt_type == 390 )
{
struct blkt_390_s *blkt_390 = (struct blkt_390_s *) (rawrec + offset);
memcpy (blkt_390, cur_blkt->blktdata, sizeof (struct blkt_390_s));
offset += sizeof (struct blkt_390_s);
if ( swapflag )
{
MS_SWAPBTIME (&blkt_390->time);
ms_gswap4 (&blkt_390->duration);
ms_gswap4 (&blkt_390->amplitude);
}
}
else if ( cur_blkt->blkt_type == 395 )
{
struct blkt_395_s *blkt_395 = (struct blkt_395_s *) (rawrec + offset);
memcpy (blkt_395, cur_blkt->blktdata, sizeof (struct blkt_395_s));
offset += sizeof (struct blkt_395_s);
if ( swapflag )
{
MS_SWAPBTIME (&blkt_395->time);
}
}
else if ( cur_blkt->blkt_type == 400 )
{
struct blkt_400_s *blkt_400 = (struct blkt_400_s *) (rawrec + offset);
memcpy (blkt_400, cur_blkt->blktdata, sizeof (struct blkt_400_s));
offset += sizeof (struct blkt_400_s);
if ( swapflag )
{
ms_gswap4 (&blkt_400->azimuth);
ms_gswap4 (&blkt_400->slowness);
ms_gswap2 (&blkt_400->configuration);
}
}
else if ( cur_blkt->blkt_type == 405 )
{
struct blkt_405_s *blkt_405 = (struct blkt_405_s *) (rawrec + offset);
memcpy (blkt_405, cur_blkt->blktdata, sizeof (struct blkt_405_s));
offset += sizeof (struct blkt_405_s);
if ( swapflag )
{
ms_gswap2 (&blkt_405->delay_values);
}
if ( verbose > 0 )
{
ms_log (1, "msr_pack_header_raw(%s): WARNING Blockette 405 cannot be fully supported\n",
PACK_SRCNAME);
}
}
else if ( cur_blkt->blkt_type == 500 )
{
struct blkt_500_s *blkt_500 = (struct blkt_500_s *) (rawrec + offset);
memcpy (blkt_500, cur_blkt->blktdata, sizeof (struct blkt_500_s));
offset += sizeof (struct blkt_500_s);
if ( swapflag )
{
ms_gswap4 (&blkt_500->vco_correction);
MS_SWAPBTIME (&blkt_500->time);
ms_gswap4 (&blkt_500->exception_count);
}
}
else if ( cur_blkt->blkt_type == 1000 )
{
struct blkt_1000_s *blkt_1000 = (struct blkt_1000_s *) (rawrec + offset);
memcpy (blkt_1000, cur_blkt->blktdata, sizeof (struct blkt_1000_s));
offset += sizeof (struct blkt_1000_s);
/* This guarantees that the byte order is in sync with msr_pack() */
if ( packdatabyteorder >= 0 )
blkt_1000->byteorder = packdatabyteorder;
}
else if ( cur_blkt->blkt_type == 1001 )
{
struct blkt_1001_s *blkt_1001 = (struct blkt_1001_s *) (rawrec + offset);
memcpy (blkt_1001, cur_blkt->blktdata, sizeof (struct blkt_1001_s));
offset += sizeof (struct blkt_1001_s);
/* Track location of Blockette 1001 if requested */
if ( blkt1001 )
*blkt1001 = blkt_1001;
}
else if ( cur_blkt->blkt_type == 2000 )
{
struct blkt_2000_s *blkt_2000 = (struct blkt_2000_s *) (rawrec + offset);
memcpy (blkt_2000, cur_blkt->blktdata, cur_blkt->blktdatalen);
offset += cur_blkt->blktdatalen;
if ( swapflag )
{
ms_gswap2 (&blkt_2000->length);
ms_gswap2 (&blkt_2000->data_offset);
ms_gswap4 (&blkt_2000->recnum);
}
/* Nothing done to pack the opaque headers and data, they should already
be packed into the blockette payload */
}
else
{
memcpy (rawrec + offset, cur_blkt->blktdata, cur_blkt->blktdatalen);
offset += cur_blkt->blktdatalen;
}
/* Pack the offset to the next blockette */
if ( cur_blkt->next )
{
memcpy (rawrec + nextoffset, &offset, 2);
if ( swapflag ) ms_gswap2 (rawrec + nextoffset);
}
else
{
memset (rawrec + nextoffset, 0, 2);
}
blktcnt++;
cur_blkt = cur_blkt->next;
}
fsdh->numblockettes = blktcnt;
if ( verbose > 2 )
ms_log (1, "%s: Packed %d blockettes\n", PACK_SRCNAME, blktcnt);
return offset;
} /* End of msr_pack_header_raw() */
/***************************************************************************
* ms_parse_raw:
*
* Parse and verify a SEED data record header (fixed section and
* blockettes) at the lowest level, printing error messages for
* invalid header values and optionally print raw header values. The
* memory at 'record' is assumed to be a Mini-SEED record. Not every
* possible test is performed, common errors and those causing
* libmseed parsing to fail should be detected.
*
* The 'details' argument is interpreted as follows:
*
* details:
* 0 = only print error messages for invalid header fields
* 1 = print basic fields in addition to invalid field errors
* 2 = print all fields in addition to invalid field errors
*
* The 'swapflag' argument is interpreted as follows:
*
* swapflag:
* 1 = swap multibyte quantities
* 0 = do no swapping
* -1 = autodetect byte order using year test, swap if needed
*
* Any byte swapping performed by this routine is applied directly to
* the memory reference by the record pointer.
*
* This routine is primarily intended to diagnose invalid Mini-SEED headers.
*
* Returns 0 when no errors were detected or a positive count of
* errors detected.
***************************************************************************/
int
ms_parse_raw ( char *record, int maxreclen, flag details, flag swapflag )
{
struct fsdh_s *fsdh;
double nomsamprate;
char srcname[50];
char *X;
char b;
int retval = 0;
int b1000encoding = -1;
int b1000reclen = -1;
int endofblockettes = -1;
int idx;
if ( ! record )
return 1;
/* Generate a source name string */
srcname[0] = '\0';
ms_recsrcname (record, srcname, 1);
fsdh = (struct fsdh_s *) record;
/* Check to see if byte swapping is needed by testing the year */
if ( swapflag == -1 &&
((fsdh->start_time.year < 1900) ||
(fsdh->start_time.year > 2050)) )
swapflag = 1;
else
swapflag = 0;
if ( details > 1 )
{
if ( swapflag == 1 )
ms_log (0, "Swapping multi-byte quantities in header\n");
else
ms_log (0, "Not swapping multi-byte quantities in header\n");
}
/* Swap byte order */
if ( swapflag )
{
MS_SWAPBTIME (&fsdh->start_time);
ms_gswap2a (&fsdh->numsamples);
ms_gswap2a (&fsdh->samprate_fact);
ms_gswap2a (&fsdh->samprate_mult);
ms_gswap4a (&fsdh->time_correct);
ms_gswap2a (&fsdh->data_offset);
ms_gswap2a (&fsdh->blockette_offset);
}
/* Validate fixed section header fields */
X = record; /* Pointer of convenience */
/* Check record sequence number, 6 ASCII digits */
if ( ! isdigit((unsigned char) *(X)) || ! isdigit ((unsigned char) *(X+1)) ||
! isdigit((unsigned char) *(X+2)) || ! isdigit ((unsigned char) *(X+3)) ||
! isdigit((unsigned char) *(X+4)) || ! isdigit ((unsigned char) *(X+5)) )
{
ms_log (2, "%s: Invalid sequence number: '%c%c%c%c%c%c'\n", srcname, X, X+1, X+2, X+3, X+4, X+5);
retval++;
}
/* Check header/quality indicator */
if ( ! MS_ISDATAINDICATOR(*(X+6)) )
{
ms_log (2, "%s: Invalid header indicator (DRQM): '%c'\n", srcname, X+6);
retval++;
}
/* Check reserved byte, space or NULL */
if ( ! (*(X+7) == ' ' || *(X+7) == '\0') )
{
ms_log (2, "%s: Invalid fixed section reserved byte (Space): '%c'\n", srcname, X+7);
retval++;
}
/* Check station code, 5 alphanumerics or spaces */
if ( ! (isalnum((unsigned char) *(X+8)) || *(X+8) == ' ') ||
! (isalnum((unsigned char) *(X+9)) || *(X+9) == ' ') ||
! (isalnum((unsigned char) *(X+10)) || *(X+10) == ' ') ||
! (isalnum((unsigned char) *(X+11)) || *(X+11) == ' ') ||
! (isalnum((unsigned char) *(X+12)) || *(X+12) == ' ') )
{
ms_log (2, "%s: Invalid station code: '%c%c%c%c%c'\n", srcname, X+8, X+9, X+10, X+11, X+12);
retval++;
}
/* Check location ID, 2 alphanumerics or spaces */
if ( ! (isalnum((unsigned char) *(X+13)) || *(X+13) == ' ') ||
! (isalnum((unsigned char) *(X+14)) || *(X+14) == ' ') )
{
ms_log (2, "%s: Invalid location ID: '%c%c'\n", srcname, X+13, X+14);
retval++;
}
/* Check channel codes, 3 alphanumerics or spaces */
if ( ! (isalnum((unsigned char) *(X+15)) || *(X+15) == ' ') ||
! (isalnum((unsigned char) *(X+16)) || *(X+16) == ' ') ||
! (isalnum((unsigned char) *(X+17)) || *(X+17) == ' ') )
{
ms_log (2, "%s: Invalid channel codes: '%c%c%c'\n", srcname, X+15, X+16, X+17);
retval++;
}
/* Check network code, 2 alphanumerics or spaces */
if ( ! (isalnum((unsigned char) *(X+18)) || *(X+18) == ' ') ||
! (isalnum((unsigned char) *(X+19)) || *(X+19) == ' ') )
{
ms_log (2, "%s: Invalid network code: '%c%c'\n", srcname, X+18, X+19);
retval++;
}
/* Check start time fields */
if ( fsdh->start_time.year < 1920 || fsdh->start_time.year > 2050 )
{
ms_log (2, "%s: Unlikely start year (1920-2050): '%d'\n", srcname, fsdh->start_time.year);
retval++;
}
if ( fsdh->start_time.day < 1 || fsdh->start_time.day > 366 )
{
ms_log (2, "%s: Invalid start day (1-366): '%d'\n", srcname, fsdh->start_time.day);
retval++;
}
if ( fsdh->start_time.hour > 23 )
{
ms_log (2, "%s: Invalid start hour (0-23): '%d'\n", srcname, fsdh->start_time.hour);
retval++;
}
if ( fsdh->start_time.min > 59 )
{
ms_log (2, "%s: Invalid start minute (0-59): '%d'\n", srcname, fsdh->start_time.min);
retval++;
}
if ( fsdh->start_time.sec > 60 )
{
ms_log (2, "%s: Invalid start second (0-60): '%d'\n", srcname, fsdh->start_time.sec);
retval++;
}
if ( fsdh->start_time.fract > 9999 )
{
ms_log (2, "%s: Invalid start fractional seconds (0-9999): '%d'\n", srcname, fsdh->start_time.fract);
retval++;
}
/* Check number of samples, max samples in 4096-byte Steim-2 encoded record: 6601 */
if ( fsdh->numsamples > 20000 )
{
ms_log (2, "%s: Unlikely number of samples (>20000): '%d'\n", srcname, fsdh->numsamples);
retval++;
}
/* Sanity check that there is space for blockettes when both data and blockettes are present */
if ( fsdh->numsamples > 0 && fsdh->numblockettes > 0 && fsdh->data_offset <= fsdh->blockette_offset )
{
ms_log (2, "%s: No space for %d blockettes, data offset: %d, blockette offset: %d\n", srcname,
fsdh->numblockettes, fsdh->data_offset, fsdh->blockette_offset);
retval++;
}
/* Print raw header details */
if ( details >= 1 )
{
/* Determine nominal sample rate */
nomsamprate = ms_nomsamprate (fsdh->samprate_fact, fsdh->samprate_mult);
/* Print header values */
ms_log (0, "RECORD -- %s\n", srcname);
ms_log (0, " sequence number: '%c%c%c%c%c%c'\n", fsdh->sequence_number[0], fsdh->sequence_number[1], fsdh->sequence_number[2],
fsdh->sequence_number[3], fsdh->sequence_number[4], fsdh->sequence_number[5]);
ms_log (0, " data quality indicator: '%c'\n", fsdh->dataquality);
if ( details > 0 )
ms_log (0, " reserved: '%c'\n", fsdh->reserved);
ms_log (0, " station code: '%c%c%c%c%c'\n", fsdh->station[0], fsdh->station[1], fsdh->station[2], fsdh->station[3], fsdh->station[4]);
ms_log (0, " location ID: '%c%c'\n", fsdh->location[0], fsdh->location[1]);
ms_log (0, " channel codes: '%c%c%c'\n", fsdh->channel[0], fsdh->channel[1], fsdh->channel[2]);
ms_log (0, " network code: '%c%c'\n", fsdh->network[0], fsdh->network[1]);
ms_log (0, " start time: %d,%d,%d:%d:%d.%04d (unused: %d)\n", fsdh->start_time.year, fsdh->start_time.day,
fsdh->start_time.hour, fsdh->start_time.min, fsdh->start_time.sec, fsdh->start_time.fract, fsdh->start_time.unused);
ms_log (0, " number of samples: %d\n", fsdh->numsamples);
ms_log (0, " sample rate factor: %d (%.10g samples per second)\n",
fsdh->samprate_fact, nomsamprate);
ms_log (0, " sample rate multiplier: %d\n", fsdh->samprate_mult);
/* Print flag details if requested */
if ( details > 1 )
{
/* Activity flags */
b = fsdh->act_flags;
ms_log (0, " activity flags: [%u%u%u%u%u%u%u%u] 8 bits\n",
bit(b,0x01), bit(b,0x02), bit(b,0x04), bit(b,0x08),
bit(b,0x10), bit(b,0x20), bit(b,0x40), bit(b,0x80));
if ( b & 0x01 ) ms_log (0, " [Bit 0] Calibration signals present\n");
if ( b & 0x02 ) ms_log (0, " [Bit 1] Time correction applied\n");
if ( b & 0x04 ) ms_log (0, " [Bit 2] Beginning of an event, station trigger\n");
if ( b & 0x08 ) ms_log (0, " [Bit 3] End of an event, station detrigger\n");
if ( b & 0x10 ) ms_log (0, " [Bit 4] A positive leap second happened in this record\n");
if ( b & 0x20 ) ms_log (0, " [Bit 5] A negative leap second happened in this record\n");
if ( b & 0x40 ) ms_log (0, " [Bit 6] Event in progress\n");
if ( b & 0x80 ) ms_log (0, " [Bit 7] Undefined bit set\n");
/* I/O and clock flags */
b = fsdh->io_flags;
ms_log (0, " I/O and clock flags: [%u%u%u%u%u%u%u%u] 8 bits\n",
bit(b,0x01), bit(b,0x02), bit(b,0x04), bit(b,0x08),
bit(b,0x10), bit(b,0x20), bit(b,0x40), bit(b,0x80));
if ( b & 0x01 ) ms_log (0, " [Bit 0] Station volume parity error possibly present\n");
if ( b & 0x02 ) ms_log (0, " [Bit 1] Long record read (possibly no problem)\n");
if ( b & 0x04 ) ms_log (0, " [Bit 2] Short record read (record padded)\n");
if ( b & 0x08 ) ms_log (0, " [Bit 3] Start of time series\n");
if ( b & 0x10 ) ms_log (0, " [Bit 4] End of time series\n");
if ( b & 0x20 ) ms_log (0, " [Bit 5] Clock locked\n");
if ( b & 0x40 ) ms_log (0, " [Bit 6] Undefined bit set\n");
if ( b & 0x80 ) ms_log (0, " [Bit 7] Undefined bit set\n");
/* Data quality flags */
b = fsdh->dq_flags;
ms_log (0, " data quality flags: [%u%u%u%u%u%u%u%u] 8 bits\n",
bit(b,0x01), bit(b,0x02), bit(b,0x04), bit(b,0x08),
bit(b,0x10), bit(b,0x20), bit(b,0x40), bit(b,0x80));
if ( b & 0x01 ) ms_log (0, " [Bit 0] Amplifier saturation detected\n");
if ( b & 0x02 ) ms_log (0, " [Bit 1] Digitizer clipping detected\n");
if ( b & 0x04 ) ms_log (0, " [Bit 2] Spikes detected\n");
if ( b & 0x08 ) ms_log (0, " [Bit 3] Glitches detected\n");
if ( b & 0x10 ) ms_log (0, " [Bit 4] Missing/padded data present\n");
if ( b & 0x20 ) ms_log (0, " [Bit 5] Telemetry synchronization error\n");
if ( b & 0x40 ) ms_log (0, " [Bit 6] A digital filter may be charging\n");
if ( b & 0x80 ) ms_log (0, " [Bit 7] Time tag is questionable\n");
}
ms_log (0, " number of blockettes: %d\n", fsdh->numblockettes);
ms_log (0, " time correction: %ld\n", (long int) fsdh->time_correct);
ms_log (0, " data offset: %d\n", fsdh->data_offset);
ms_log (0, " first blockette offset: %d\n", fsdh->blockette_offset);
} /* Done printing raw header details */
/* Validate and report information in the blockette chain */
if ( fsdh->blockette_offset > 46 && fsdh->blockette_offset < maxreclen )
{
int blkt_offset = fsdh->blockette_offset;
int blkt_count = 0;
int blkt_length;
uint16_t blkt_type;
uint16_t next_blkt;
char *blkt_desc;
/* Traverse blockette chain */
while ( blkt_offset != 0 && blkt_offset < maxreclen )
{
/* Every blockette has a similar 4 byte header: type and next */
memcpy (&blkt_type, record + blkt_offset, 2);
memcpy (&next_blkt, record + blkt_offset+2, 2);
if ( swapflag )
{
ms_gswap2 (&blkt_type);
ms_gswap2 (&next_blkt);
}
/* Print common header fields */
if ( details >= 1 )
{
blkt_desc = ms_blktdesc(blkt_type);
ms_log (0, " BLOCKETTE %u: (%s)\n", blkt_type, (blkt_desc) ? blkt_desc : "Unknown");
ms_log (0, " next blockette: %u\n", next_blkt);
}
blkt_length = ms_blktlen (blkt_type, record + blkt_offset, swapflag);
if ( blkt_length == 0 )
{
ms_log (2, "%s: Unknown blockette length for type %d\n", srcname, blkt_type);
retval++;
}
/* Track end of blockette chain */
endofblockettes = blkt_offset + blkt_length - 1;
/* Sanity check that the blockette is contained in the record */
if ( endofblockettes > maxreclen )
{
ms_log (2, "%s: Blockette type %d at offset %d with length %d does not fix in record (%d)\n",
srcname, blkt_type, blkt_offset, blkt_length, maxreclen);
retval++;
break;
}
if ( blkt_type == 100 )
{
struct blkt_100_s *blkt_100 = (struct blkt_100_s *) (record + blkt_offset + 4);
if ( swapflag )
ms_gswap4 (&blkt_100->samprate);
if ( details >= 1 )
{
ms_log (0, " actual sample rate: %.10g\n", blkt_100->samprate);
if ( details > 1 )
{
b = blkt_100->flags;
ms_log (0, " undefined flags: [%u%u%u%u%u%u%u%u] 8 bits\n",
bit(b,0x01), bit(b,0x02), bit(b,0x04), bit(b,0x08),
bit(b,0x10), bit(b,0x20), bit(b,0x40), bit(b,0x80));
ms_log (0, " reserved bytes (3): %u,%u,%u\n",
blkt_100->reserved[0], blkt_100->reserved[1], blkt_100->reserved[2]);
}
}
}
else if ( blkt_type == 200 )
{
struct blkt_200_s *blkt_200 = (struct blkt_200_s *) (record + blkt_offset + 4);
if ( swapflag )
{
ms_gswap4 (&blkt_200->amplitude);
ms_gswap4 (&blkt_200->period);
ms_gswap4 (&blkt_200->background_estimate);
MS_SWAPBTIME (&blkt_200->time);
}
if ( details >= 1 )
{
ms_log (0, " signal amplitude: %g\n", blkt_200->amplitude);
ms_log (0, " signal period: %g\n", blkt_200->period);
ms_log (0, " background estimate: %g\n", blkt_200->background_estimate);
if ( details > 1 )
{
b = blkt_200->flags;
ms_log (0, " event detection flags: [%u%u%u%u%u%u%u%u] 8 bits\n",
bit(b,0x01), bit(b,0x02), bit(b,0x04), bit(b,0x08),
bit(b,0x10), bit(b,0x20), bit(b,0x40), bit(b,0x80));
if ( b & 0x01 ) ms_log (0, " [Bit 0] 1: Dilatation wave\n");
else ms_log (0, " [Bit 0] 0: Compression wave\n");
if ( b & 0x02 ) ms_log (0, " [Bit 1] 1: Units after deconvolution\n");
else ms_log (0, " [Bit 1] 0: Units are digital counts\n");
if ( b & 0x04 ) ms_log (0, " [Bit 2] Bit 0 is undetermined\n");
ms_log (0, " reserved byte: %u\n", blkt_200->reserved);
}
ms_log (0, " signal onset time: %d,%d,%d:%d:%d.%04d (unused: %d)\n", blkt_200->time.year, blkt_200->time.day,
blkt_200->time.hour, blkt_200->time.min, blkt_200->time.sec, blkt_200->time.fract, blkt_200->time.unused);
ms_log (0, " detector name: %.24s\n", blkt_200->detector);
}
}
else if ( blkt_type == 201 )
{
struct blkt_201_s *blkt_201 = (struct blkt_201_s *) (record + blkt_offset + 4);
if ( swapflag )
{
ms_gswap4 (&blkt_201->amplitude);
ms_gswap4 (&blkt_201->period);
ms_gswap4 (&blkt_201->background_estimate);
MS_SWAPBTIME (&blkt_201->time);
}
if ( details >= 1 )
{
ms_log (0, " signal amplitude: %g\n", blkt_201->amplitude);
ms_log (0, " signal period: %g\n", blkt_201->period);
ms_log (0, " background estimate: %g\n", blkt_201->background_estimate);
b = blkt_201->flags;
ms_log (0, " event detection flags: [%u%u%u%u%u%u%u%u] 8 bits\n",
bit(b,0x01), bit(b,0x02), bit(b,0x04), bit(b,0x08),
bit(b,0x10), bit(b,0x20), bit(b,0x40), bit(b,0x80));
if ( b & 0x01 ) ms_log (0, " [Bit 0] 1: Dilation wave\n");
else ms_log (0, " [Bit 0] 0: Compression wave\n");
if ( details > 1 )
ms_log (0, " reserved byte: %u\n", blkt_201->reserved);
ms_log (0, " signal onset time: %d,%d,%d:%d:%d.%04d (unused: %d)\n", blkt_201->time.year, blkt_201->time.day,
blkt_201->time.hour, blkt_201->time.min, blkt_201->time.sec, blkt_201->time.fract, blkt_201->time.unused);
ms_log (0, " SNR values: ");
for (idx=0; idx < 6; idx++) ms_log (0, "%u ", blkt_201->snr_values[idx]);
ms_log (0, "\n");
ms_log (0, " loopback value: %u\n", blkt_201->loopback);
ms_log (0, " pick algorithm: %u\n", blkt_201->pick_algorithm);
ms_log (0, " detector name: %.24s\n", blkt_201->detector);
}
}
else if ( blkt_type == 300 )
{
struct blkt_300_s *blkt_300 = (struct blkt_300_s *) (record + blkt_offset + 4);
if ( swapflag )
{
MS_SWAPBTIME (&blkt_300->time);
ms_gswap4 (&blkt_300->step_duration);
ms_gswap4 (&blkt_300->interval_duration);
ms_gswap4 (&blkt_300->amplitude);
ms_gswap4 (&blkt_300->reference_amplitude);
}
if ( details >= 1 )
{
ms_log (0, " calibration start time: %d,%d,%d:%d:%d.%04d (unused: %d)\n", blkt_300->time.year, blkt_300->time.day,
blkt_300->time.hour, blkt_300->time.min, blkt_300->time.sec, blkt_300->time.fract, blkt_300->time.unused);
ms_log (0, " number of calibrations: %u\n", blkt_300->numcalibrations);
b = blkt_300->flags;
ms_log (0, " calibration flags: [%u%u%u%u%u%u%u%u] 8 bits\n",
bit(b,0x01), bit(b,0x02), bit(b,0x04), bit(b,0x08),
bit(b,0x10), bit(b,0x20), bit(b,0x40), bit(b,0x80));
if ( b & 0x01 ) ms_log (0, " [Bit 0] First pulse is positive\n");
if ( b & 0x02 ) ms_log (0, " [Bit 1] Calibration's alternate sign\n");
if ( b & 0x04 ) ms_log (0, " [Bit 2] Calibration was automatic\n");
if ( b & 0x08 ) ms_log (0, " [Bit 3] Calibration continued from previous record(s)\n");
ms_log (0, " step duration: %u\n", blkt_300->step_duration);
ms_log (0, " interval duration: %u\n", blkt_300->interval_duration);
ms_log (0, " signal amplitude: %g\n", blkt_300->amplitude);
ms_log (0, " input signal channel: %.3s", blkt_300->input_channel);
if ( details > 1 )
ms_log (0, " reserved byte: %u\n", blkt_300->reserved);
ms_log (0, " reference amplitude: %u\n", blkt_300->reference_amplitude);
ms_log (0, " coupling: %.12s\n", blkt_300->coupling);
ms_log (0, " rolloff: %.12s\n", blkt_300->rolloff);
}
}
else if ( blkt_type == 310 )
{
struct blkt_310_s *blkt_310 = (struct blkt_310_s *) (record + blkt_offset + 4);
if ( swapflag )
{
MS_SWAPBTIME (&blkt_310->time);
ms_gswap4 (&blkt_310->duration);
ms_gswap4 (&blkt_310->period);
ms_gswap4 (&blkt_310->amplitude);
ms_gswap4 (&blkt_310->reference_amplitude);
}
if ( details >= 1 )
{
ms_log (0, " calibration start time: %d,%d,%d:%d:%d.%04d (unused: %d)\n", blkt_310->time.year, blkt_310->time.day,
blkt_310->time.hour, blkt_310->time.min, blkt_310->time.sec, blkt_310->time.fract, blkt_310->time.unused);
if ( details > 1 )
ms_log (0, " reserved byte: %u\n", blkt_310->reserved1);
b = blkt_310->flags;
ms_log (0, " calibration flags: [%u%u%u%u%u%u%u%u] 8 bits\n",
bit(b,0x01), bit(b,0x02), bit(b,0x04), bit(b,0x08),
bit(b,0x10), bit(b,0x20), bit(b,0x40), bit(b,0x80));
if ( b & 0x04 ) ms_log (0, " [Bit 2] Calibration was automatic\n");
if ( b & 0x08 ) ms_log (0, " [Bit 3] Calibration continued from previous record(s)\n");
if ( b & 0x10 ) ms_log (0, " [Bit 4] Peak-to-peak amplitude\n");
if ( b & 0x20 ) ms_log (0, " [Bit 5] Zero-to-peak amplitude\n");
if ( b & 0x40 ) ms_log (0, " [Bit 6] RMS amplitude\n");
ms_log (0, " calibration duration: %u\n", blkt_310->duration);
ms_log (0, " signal period: %g\n", blkt_310->period);
ms_log (0, " signal amplitude: %g\n", blkt_310->amplitude);
ms_log (0, " input signal channel: %.3s", blkt_310->input_channel);
if ( details > 1 )
ms_log (0, " reserved byte: %u\n", blkt_310->reserved2);
ms_log (0, " reference amplitude: %u\n", blkt_310->reference_amplitude);
ms_log (0, " coupling: %.12s\n", blkt_310->coupling);
ms_log (0, " rolloff: %.12s\n", blkt_310->rolloff);
}
}
else if ( blkt_type == 320 )
{
struct blkt_320_s *blkt_320 = (struct blkt_320_s *) (record + blkt_offset + 4);
if ( swapflag )
{
MS_SWAPBTIME (&blkt_320->time);
ms_gswap4 (&blkt_320->duration);
ms_gswap4 (&blkt_320->ptp_amplitude);
ms_gswap4 (&blkt_320->reference_amplitude);
}
if ( details >= 1 )
{
ms_log (0, " calibration start time: %d,%d,%d:%d:%d.%04d (unused: %d)\n", blkt_320->time.year, blkt_320->time.day,
blkt_320->time.hour, blkt_320->time.min, blkt_320->time.sec, blkt_320->time.fract, blkt_320->time.unused);
if ( details > 1 )
ms_log (0, " reserved byte: %u\n", blkt_320->reserved1);
b = blkt_320->flags;
ms_log (0, " calibration flags: [%u%u%u%u%u%u%u%u] 8 bits\n",
bit(b,0x01), bit(b,0x02), bit(b,0x04), bit(b,0x08),
bit(b,0x10), bit(b,0x20), bit(b,0x40), bit(b,0x80));
if ( b & 0x04 ) ms_log (0, " [Bit 2] Calibration was automatic\n");
if ( b & 0x08 ) ms_log (0, " [Bit 3] Calibration continued from previous record(s)\n");
if ( b & 0x10 ) ms_log (0, " [Bit 4] Random amplitudes\n");
ms_log (0, " calibration duration: %u\n", blkt_320->duration);
ms_log (0, " peak-to-peak amplitude: %g\n", blkt_320->ptp_amplitude);
ms_log (0, " input signal channel: %.3s", blkt_320->input_channel);
if ( details > 1 )
ms_log (0, " reserved byte: %u\n", blkt_320->reserved2);
ms_log (0, " reference amplitude: %u\n", blkt_320->reference_amplitude);
ms_log (0, " coupling: %.12s\n", blkt_320->coupling);
ms_log (0, " rolloff: %.12s\n", blkt_320->rolloff);
ms_log (0, " noise type: %.8s\n", blkt_320->noise_type);
}
}
else if ( blkt_type == 390 )
{
struct blkt_390_s *blkt_390 = (struct blkt_390_s *) (record + blkt_offset + 4);
if ( swapflag )
{
MS_SWAPBTIME (&blkt_390->time);
ms_gswap4 (&blkt_390->duration);
ms_gswap4 (&blkt_390->amplitude);
}
if ( details >= 1 )
{
ms_log (0, " calibration start time: %d,%d,%d:%d:%d.%04d (unused: %d)\n", blkt_390->time.year, blkt_390->time.day,
blkt_390->time.hour, blkt_390->time.min, blkt_390->time.sec, blkt_390->time.fract, blkt_390->time.unused);
if ( details > 1 )
ms_log (0, " reserved byte: %u\n", blkt_390->reserved1);
b = blkt_390->flags;
ms_log (0, " calibration flags: [%u%u%u%u%u%u%u%u] 8 bits\n",
bit(b,0x01), bit(b,0x02), bit(b,0x04), bit(b,0x08),
bit(b,0x10), bit(b,0x20), bit(b,0x40), bit(b,0x80));
if ( b & 0x04 ) ms_log (0, " [Bit 2] Calibration was automatic\n");
if ( b & 0x08 ) ms_log (0, " [Bit 3] Calibration continued from previous record(s)\n");
ms_log (0, " calibration duration: %u\n", blkt_390->duration);
ms_log (0, " signal amplitude: %g\n", blkt_390->amplitude);
ms_log (0, " input signal channel: %.3s", blkt_390->input_channel);
if ( details > 1 )
ms_log (0, " reserved byte: %u\n", blkt_390->reserved2);
}
}
else if ( blkt_type == 395 )
{
struct blkt_395_s *blkt_395 = (struct blkt_395_s *) (record + blkt_offset + 4);
if ( swapflag )
MS_SWAPBTIME (&blkt_395->time);
if ( details >= 1 )
{
ms_log (0, " calibration end time: %d,%d,%d:%d:%d.%04d (unused: %d)\n", blkt_395->time.year, blkt_395->time.day,
blkt_395->time.hour, blkt_395->time.min, blkt_395->time.sec, blkt_395->time.fract, blkt_395->time.unused);
if ( details > 1 )
ms_log (0, " reserved bytes (2): %u,%u\n",
blkt_395->reserved[0], blkt_395->reserved[1]);
}
}
else if ( blkt_type == 400 )
{
struct blkt_400_s *blkt_400 = (struct blkt_400_s *) (record + blkt_offset + 4);
if ( swapflag )
{
ms_gswap4 (&blkt_400->azimuth);
ms_gswap4 (&blkt_400->slowness);
ms_gswap4 (&blkt_400->configuration);
}
if ( details >= 1 )
{
ms_log (0, " beam azimuth (degrees): %g\n", blkt_400->azimuth);
ms_log (0, " beam slowness (sec/degree): %g\n", blkt_400->slowness);
ms_log (0, " configuration: %u\n", blkt_400->configuration);
if ( details > 1 )
ms_log (0, " reserved bytes (2): %u,%u\n",
blkt_400->reserved[0], blkt_400->reserved[1]);
}
}
else if ( blkt_type == 405 )
{
struct blkt_405_s *blkt_405 = (struct blkt_405_s *) (record + blkt_offset + 4);
uint16_t firstvalue = blkt_405->delay_values[0]; /* Work on a private copy */
if ( swapflag )
ms_gswap2 (&firstvalue);
if ( details >= 1 )
ms_log (0, " first delay value: %u\n", firstvalue);
}
else if ( blkt_type == 500 )
{
struct blkt_500_s *blkt_500 = (struct blkt_500_s *) (record + blkt_offset + 4);
if ( swapflag )
{
ms_gswap4 (&blkt_500->vco_correction);
MS_SWAPBTIME (&blkt_500->time);
ms_gswap4 (&blkt_500->exception_count);
}
if ( details >= 1 )
{
ms_log (0, " VCO correction: %g%%\n", blkt_500->vco_correction);
ms_log (0, " time of exception: %d,%d,%d:%d:%d.%04d (unused: %d)\n", blkt_500->time.year, blkt_500->time.day,
blkt_500->time.hour, blkt_500->time.min, blkt_500->time.sec, blkt_500->time.fract, blkt_500->time.unused);
ms_log (0, " usec: %d\n", blkt_500->usec);
ms_log (0, " reception quality: %u%%\n", blkt_500->reception_qual);
ms_log (0, " exception count: %u\n", blkt_500->exception_count);
ms_log (0, " exception type: %.16s\n", blkt_500->exception_type);
ms_log (0, " clock model: %.32s\n", blkt_500->clock_model);
ms_log (0, " clock status: %.128s\n", blkt_500->clock_status);
}
}
else if ( blkt_type == 1000 )
{
struct blkt_1000_s *blkt_1000 = (struct blkt_1000_s *) (record + blkt_offset + 4);
char order[40];
/* Calculate record size in bytes as 2^(blkt_1000->rec_len) */
b1000reclen = (unsigned int) 1 << blkt_1000->reclen;
/* Big or little endian? */
if (blkt_1000->byteorder == 0)
strncpy (order, "Little endian", sizeof(order)-1);
else if (blkt_1000->byteorder == 1)
strncpy (order, "Big endian", sizeof(order)-1);
else
strncpy (order, "Unknown value", sizeof(order)-1);
if ( details >= 1 )
{
ms_log (0, " encoding: %s (val:%u)\n",
(char *) ms_encodingstr (blkt_1000->encoding), blkt_1000->encoding);
ms_log (0, " byte order: %s (val:%u)\n",
order, blkt_1000->byteorder);
ms_log (0, " record length: %d (val:%u)\n",
b1000reclen, blkt_1000->reclen);
if ( details > 1 )
ms_log (0, " reserved byte: %u\n", blkt_1000->reserved);
}
/* Save encoding format */
b1000encoding = blkt_1000->encoding;
/* Sanity check encoding format */
if ( ! (b1000encoding >= 0 && b1000encoding <= 5) &&
! (b1000encoding >= 10 && b1000encoding <= 19) &&
! (b1000encoding >= 30 && b1000encoding <= 33) )
{
ms_log (2, "%s: Blockette 1000 encoding format invalid (0-5,10-19,30-33): %d\n", srcname, b1000encoding);
retval++;
}
/* Sanity check byte order flag */
if ( blkt_1000->byteorder != 0 && blkt_1000->byteorder != 1 )
{
ms_log (2, "%s: Blockette 1000 byte order flag invalid (0 or 1): %d\n", srcname, blkt_1000->byteorder);
retval++;
}
}
else if ( blkt_type == 1001 )
{
struct blkt_1001_s *blkt_1001 = (struct blkt_1001_s *) (record + blkt_offset + 4);
if ( details >= 1 )
{
ms_log (0, " timing quality: %u%%\n", blkt_1001->timing_qual);
ms_log (0, " micro second: %d\n", blkt_1001->usec);
if ( details > 1 )
ms_log (0, " reserved byte: %u\n", blkt_1001->reserved);
ms_log (0, " frame count: %u\n", blkt_1001->framecnt);
}
}
else if ( blkt_type == 2000 )
{
struct blkt_2000_s *blkt_2000 = (struct blkt_2000_s *) (record + blkt_offset + 4);
char order[40];
if ( swapflag )
{
ms_gswap2 (&blkt_2000->length);
ms_gswap2 (&blkt_2000->data_offset);
ms_gswap4 (&blkt_2000->recnum);
}
/* Big or little endian? */
if (blkt_2000->byteorder == 0)
strncpy (order, "Little endian", sizeof(order)-1);
else if (blkt_2000->byteorder == 1)
strncpy (order, "Big endian", sizeof(order)-1);
else
strncpy (order, "Unknown value", sizeof(order)-1);
if ( details >= 1 )
{
ms_log (0, " blockette length: %u\n", blkt_2000->length);
ms_log (0, " data offset: %u\n", blkt_2000->data_offset);
ms_log (0, " record number: %u\n", blkt_2000->recnum);
ms_log (0, " byte order: %s (val:%u)\n",
order, blkt_2000->byteorder);
b = blkt_2000->flags;
ms_log (0, " data flags: [%u%u%u%u%u%u%u%u] 8 bits\n",
bit(b,0x01), bit(b,0x02), bit(b,0x04), bit(b,0x08),
bit(b,0x10), bit(b,0x20), bit(b,0x40), bit(b,0x80));
if ( details > 1 )
{
if ( b & 0x01 ) ms_log (0, " [Bit 0] 1: Stream oriented\n");
else ms_log (0, " [Bit 0] 0: Record oriented\n");
if ( b & 0x02 ) ms_log (0, " [Bit 1] 1: Blockette 2000s may NOT be packaged\n");
else ms_log (0, " [Bit 1] 0: Blockette 2000s may be packaged\n");
if ( ! (b & 0x04) && ! (b & 0x08) )
ms_log (0, " [Bits 2-3] 00: Complete blockette\n");
else if ( ! (b & 0x04) && (b & 0x08) )
ms_log (0, " [Bits 2-3] 01: First blockette in span\n");
else if ( (b & 0x04) && (b & 0x08) )
ms_log (0, " [Bits 2-3] 11: Continuation blockette in span\n");
else if ( (b & 0x04) && ! (b & 0x08) )
ms_log (0, " [Bits 2-3] 10: Final blockette in span\n");
if ( ! (b & 0x10) && ! (b & 0x20) )
ms_log (0, " [Bits 4-5] 00: Not file oriented\n");
else if ( ! (b & 0x10) && (b & 0x20) )
ms_log (0, " [Bits 4-5] 01: First blockette of file\n");
else if ( (b & 0x10) && ! (b & 0x20) )
ms_log (0, " [Bits 4-5] 10: Continuation of file\n");
else if ( (b & 0x10) && (b & 0x20) )
ms_log (0, " [Bits 4-5] 11: Last blockette of file\n");
}
ms_log (0, " number of headers: %u\n", blkt_2000->numheaders);
/* Crude display of the opaque data headers */
if ( details > 1 )
ms_log (0, " headers: %.*s\n",
(blkt_2000->data_offset - 15), blkt_2000->payload);
}
}
else
{
ms_log (2, "%s: Unrecognized blockette type: %d\n", srcname, blkt_type);
retval++;
}
/* Sanity check the next blockette offset */
if ( next_blkt && next_blkt <= endofblockettes )
{
ms_log (2, "%s: Next blockette offset (%d) is within current blockette ending at byte %d\n",
srcname, next_blkt, endofblockettes);
blkt_offset = 0;
}
else
{
blkt_offset = next_blkt;
}
blkt_count++;
} /* End of looping through blockettes */
/* Check that the blockette offset is within the maximum record size */
if ( blkt_offset > maxreclen )
{
ms_log (2, "%s: Blockette offset (%d) beyond maximum record length (%d)\n", srcname, blkt_offset, maxreclen);
retval++;
}
/* Check that the data and blockette offsets are within the record */
if ( b1000reclen && fsdh->data_offset > b1000reclen )
{
ms_log (2, "%s: Data offset (%d) beyond record length (%d)\n", srcname, fsdh->data_offset, b1000reclen);
retval++;
}
if ( b1000reclen && fsdh->blockette_offset > b1000reclen )
{
ms_log (2, "%s: Blockette offset (%d) beyond record length (%d)\n", srcname, fsdh->blockette_offset, b1000reclen);
retval++;
}
/* Check that the data offset is beyond the end of the blockettes */
if ( fsdh->numsamples && fsdh->data_offset <= endofblockettes )
{
ms_log (2, "%s: Data offset (%d) is within blockette chain (end of blockettes: %d)\n", srcname, fsdh->data_offset, endofblockettes);
retval++;
}
/* Check that the correct number of blockettes were parsed */
if ( fsdh->numblockettes != blkt_count )
{
ms_log (2, "%s: Specified number of blockettes (%d) not equal to those parsed (%d)\n", srcname, fsdh->numblockettes, blkt_count);
retval++;
}
}
return retval;
} /* End of ms_parse_raw() */
