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tracelist.c
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tracelist.c
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/***************************************************************************
* tracelist.c:
*
* Routines to handle TraceList and related structures.
*
* Written by Chad Trabant, IRIS Data Management Center
*
* modified: 2015.108
***************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "libmseed.h"
MSTraceSeg *mstl_msr2seg (MSRecord *msr, hptime_t endtime);
MSTraceSeg *mstl_addmsrtoseg (MSTraceSeg *seg, MSRecord *msr, hptime_t endtime, flag whence);
MSTraceSeg *mstl_addsegtoseg (MSTraceSeg *seg1, MSTraceSeg *seg2);
/***************************************************************************
* mstl_init:
*
* Initialize and return a MSTraceList struct, allocating memory if
* needed. If the supplied MSTraceList is not NULL any associated
* memory it will be freed including data at prvtptr pointers.
*
* Returns a pointer to a MSTraceList struct on success or NULL on error.
***************************************************************************/
MSTraceList *
mstl_init (MSTraceList *mstl)
{
if (mstl)
{
mstl_free (&mstl, 1);
}
mstl = (MSTraceList *)malloc (sizeof (MSTraceList));
if (mstl == NULL)
{
ms_log (2, "mstl_init(): Cannot allocate memory\n");
return NULL;
}
memset (mstl, 0, sizeof (MSTraceList));
return mstl;
} /* End of mstl_init() */
/***************************************************************************
* mstl_free:
*
* Free all memory associated with a MSTraceList struct and set the
* pointer to 0.
*
* If the freeprvtptr flag is true any private pointer data will also
* be freed when present.
***************************************************************************/
void
mstl_free (MSTraceList **ppmstl, flag freeprvtptr)
{
MSTraceID *id = 0;
MSTraceID *nextid = 0;
MSTraceSeg *seg = 0;
MSTraceSeg *nextseg = 0;
if (!ppmstl)
return;
if (*ppmstl)
{
/* Free any associated traces */
id = (*ppmstl)->traces;
while (id)
{
nextid = id->next;
/* Free any associated trace segments */
seg = id->first;
while (seg)
{
nextseg = seg->next;
/* Free private pointer data if present and requested*/
if (freeprvtptr && seg->prvtptr)
free (seg->prvtptr);
/* Free data array if allocated */
if (seg->datasamples)
free (seg->datasamples);
free (seg);
seg = nextseg;
}
/* Free private pointer data if present and requested*/
if (freeprvtptr && id->prvtptr)
free (id->prvtptr);
free (id);
id = nextid;
}
free (*ppmstl);
*ppmstl = NULL;
}
return;
} /* End of mstl_free() */
/***************************************************************************
* mstl_addmsr:
*
* Add data coverage from an MSRecord to a MSTraceList by searching the
* list for the appropriate MSTraceID and MSTraceSeg and either adding
* data to it or creating a new MStraceID and/or MSTraceSeg if needed.
*
* If the dataquality flag is true the data quality bytes must also
* match otherwise they are ignored.
*
* If the autoheal flag is true extra processing is invoked to conjoin
* trace segments that fit together after the MSRecord coverage is
* added. For segments that are removed, any memory at the prvtptr
* will be freed.
*
* An MSTraceList is always maintained with the MSTraceIDs in
* descending alphanumeric order. MSTraceIDs are always maintained
* with MSTraceSegs in data time time order.
*
* Return a pointer to the MSTraceSeg updated or 0 on error.
***************************************************************************/
MSTraceSeg *
mstl_addmsr (MSTraceList *mstl, MSRecord *msr, flag dataquality,
flag autoheal, double timetol, double sampratetol)
{
MSTraceID *id = 0;
MSTraceID *searchid = 0;
MSTraceID *ltid = 0;
MSTraceSeg *seg = 0;
MSTraceSeg *searchseg = 0;
MSTraceSeg *segbefore = 0;
MSTraceSeg *segafter = 0;
MSTraceSeg *followseg = 0;
hptime_t endtime;
hptime_t pregap;
hptime_t postgap;
hptime_t lastgap;
hptime_t firstgap;
hptime_t hpdelta;
hptime_t hptimetol = 0;
hptime_t nhptimetol = 0;
char srcname[45];
char *s1, *s2;
flag whence;
flag lastratecheck;
flag firstratecheck;
int mag;
int cmp;
int ltmag;
int ltcmp;
if (!mstl || !msr)
return 0;
/* Calculate end time for MSRecord */
if ((endtime = msr_endtime (msr)) == HPTERROR)
{
ms_log (2, "mstl_addmsr(): Error calculating record end time\n");
return 0;
}
/* Generate source name string */
if (!msr_srcname (msr, srcname, dataquality))
{
ms_log (2, "mstl_addmsr(): Error generating srcname for MSRecord\n");
return 0;
}
/* Search for matching trace ID starting with last accessed ID and
then looping through the trace ID list. */
if (mstl->last)
{
s1 = mstl->last->srcname;
s2 = srcname;
while (*s1 == *s2++)
{
if (*s1++ == '\0')
break;
}
cmp = (*s1 - *--s2);
if (!cmp)
{
id = mstl->last;
}
else
{
/* Loop through trace ID list searching for a match, simultaneously
track the source name which is closest but less than the MSRecord
to allow for later insertion with sort order. */
searchid = mstl->traces;
ltcmp = 0;
ltmag = 0;
while (searchid)
{
/* Compare source names */
s1 = searchid->srcname;
s2 = srcname;
mag = 0;
while (*s1 == *s2++)
{
mag++;
if (*s1++ == '\0')
break;
}
cmp = (*s1 - *--s2);
/* If source names did not match track closest "less than" value
and continue searching. */
if (cmp != 0)
{
if (cmp < 0)
{
if ((ltcmp == 0 || cmp >= ltcmp) && mag >= ltmag)
{
ltcmp = cmp;
ltmag = mag;
ltid = searchid;
}
else if (mag > ltmag)
{
ltcmp = cmp;
ltmag = mag;
ltid = searchid;
}
}
searchid = searchid->next;
continue;
}
/* If we made it this far we found a match */
id = searchid;
break;
}
}
} /* Done searching for match in trace ID list */
/* If no matching ID was found create new MSTraceID and MSTraceSeg entries */
if (!id)
{
if (!(id = (MSTraceID *)calloc (1, sizeof (MSTraceID))))
{
ms_log (2, "mstl_addmsr(): Error allocating memory\n");
return 0;
}
/* Populate MSTraceID */
strcpy (id->network, msr->network);
strcpy (id->station, msr->station);
strcpy (id->location, msr->location);
strcpy (id->channel, msr->channel);
id->dataquality = msr->dataquality;
strcpy (id->srcname, srcname);
id->earliest = msr->starttime;
id->latest = endtime;
id->numsegments = 1;
if (!(seg = mstl_msr2seg (msr, endtime)))
{
return 0;
}
id->first = id->last = seg;
/* Add new MSTraceID to MSTraceList */
if (!mstl->traces || !ltid)
{
id->next = mstl->traces;
mstl->traces = id;
}
else
{
id->next = ltid->next;
ltid->next = id;
}
mstl->numtraces++;
}
/* Add data coverage to the matching MSTraceID */
else
{
/* Calculate high-precision sample period */
hpdelta = (hptime_t) ((msr->samprate) ? (HPTMODULUS / msr->samprate) : 0.0);
/* Calculate high-precision time tolerance */
if (timetol == -1.0)
hptimetol = (hptime_t) (0.5 * hpdelta); /* Default time tolerance is 1/2 sample period */
else if (timetol >= 0.0)
hptimetol = (hptime_t) (timetol * HPTMODULUS);
nhptimetol = (hptimetol) ? -hptimetol : 0;
/* last/firstgap are negative when the record overlaps the trace
* segment and positive when there is a time gap. */
/* Gap relative to the last segment */
lastgap = msr->starttime - id->last->endtime - hpdelta;
/* Gap relative to the first segment */
firstgap = id->first->starttime - endtime - hpdelta;
/* Sample rate tolerance checks for first and last segments */
if (sampratetol == -1.0)
{
lastratecheck = MS_ISRATETOLERABLE (msr->samprate, id->last->samprate);
firstratecheck = MS_ISRATETOLERABLE (msr->samprate, id->first->samprate);
}
else
{
lastratecheck = (ms_dabs (msr->samprate - id->last->samprate) > sampratetol) ? 0 : 1;
firstratecheck = (ms_dabs (msr->samprate - id->first->samprate) > sampratetol) ? 0 : 1;
}
/* Search first for the simple scenarios in order of likelihood:
* - Record fits at end of last segment
* - Record fits after all coverage
* - Record fits before all coverage
* - Record fits at beginning of first segment
*
* If none of those scenarios are true search the complete segment list.
*/
/* Record coverage fits at end of last segment */
if (lastgap <= hptimetol && lastgap >= nhptimetol && lastratecheck)
{
if (!mstl_addmsrtoseg (id->last, msr, endtime, 1))
return 0;
seg = id->last;
if (endtime > id->latest)
id->latest = endtime;
}
/* Record coverage is after all other coverage */
else if ((msr->starttime - hpdelta - hptimetol) > id->latest)
{
if (!(seg = mstl_msr2seg (msr, endtime)))
return 0;
/* Add to end of list */
id->last->next = seg;
seg->prev = id->last;
id->last = seg;
id->numsegments++;
if (endtime > id->latest)
id->latest = endtime;
}
/* Record coverage is before all other coverage */
else if ((endtime + hpdelta + hptimetol) < id->earliest)
{
if (!(seg = mstl_msr2seg (msr, endtime)))
return 0;
/* Add to beginning of list */
id->first->prev = seg;
seg->next = id->first;
id->first = seg;
id->numsegments++;
if (msr->starttime < id->earliest)
id->earliest = msr->starttime;
}
/* Record coverage fits at beginning of first segment */
else if (firstgap <= hptimetol && firstgap >= nhptimetol && firstratecheck)
{
if (!mstl_addmsrtoseg (id->first, msr, endtime, 2))
return 0;
seg = id->first;
if (msr->starttime < id->earliest)
id->earliest = msr->starttime;
}
/* Search complete segment list for matches */
else
{
searchseg = id->first;
segbefore = 0; /* Find segment that record fits before */
segafter = 0; /* Find segment that record fits after */
followseg = 0; /* Track segment that record follows in time order */
while (searchseg)
{
if (msr->starttime > searchseg->starttime)
followseg = searchseg;
whence = 0;
postgap = msr->starttime - searchseg->endtime - hpdelta;
if (!segbefore && postgap <= hptimetol && postgap >= nhptimetol)
whence = 1;
pregap = searchseg->starttime - endtime - hpdelta;
if (!segafter && pregap <= hptimetol && pregap >= nhptimetol)
whence = 2;
if (!whence)
{
searchseg = searchseg->next;
continue;
}
if (sampratetol == -1.0)
{
if (!MS_ISRATETOLERABLE (msr->samprate, searchseg->samprate))
{
searchseg = searchseg->next;
continue;
}
}
else
{
if (ms_dabs (msr->samprate - searchseg->samprate) > sampratetol)
{
searchseg = searchseg->next;
continue;
}
}
if (whence == 1)
segbefore = searchseg;
else
segafter = searchseg;
/* Done searching if not autohealing */
if (!autoheal)
break;
/* Done searching if both before and after segments are found */
if (segbefore && segafter)
break;
searchseg = searchseg->next;
} /* Done looping through segments */
/* Add MSRecord coverage to end of segment before */
if (segbefore)
{
if (!mstl_addmsrtoseg (segbefore, msr, endtime, 1))
{
return 0;
}
/* Merge two segments that now fit if autohealing */
if (autoheal && segafter && segbefore != segafter)
{
/* Add segafter coverage to segbefore */
if (!mstl_addsegtoseg (segbefore, segafter))
{
return 0;
}
/* Shift last segment pointer if it's going to be removed */
if (segafter == id->last)
id->last = id->last->prev;
/* Remove segafter from list */
if (segafter->prev)
segafter->prev->next = segafter->next;
if (segafter->next)
segafter->next->prev = segafter->prev;
/* Free data samples, private data and segment structure */
if (segafter->datasamples)
free (segafter->datasamples);
if (segafter->prvtptr)
free (segafter->prvtptr);
free (segafter);
}
seg = segbefore;
}
/* Add MSRecord coverage to beginning of segment after */
else if (segafter)
{
if (!mstl_addmsrtoseg (segafter, msr, endtime, 2))
{
return 0;
}
seg = segafter;
}
/* Add MSRecord coverage to new segment */
else
{
/* Create new segment */
if (!(seg = mstl_msr2seg (msr, endtime)))
{
return 0;
}
/* Add new segment as first in list */
if (!followseg)
{
seg->next = id->first;
if (id->first)
id->first->prev = seg;
id->first = seg;
}
/* Add new segment after the followseg segment */
else
{
seg->next = followseg->next;
seg->prev = followseg;
if (followseg->next)
followseg->next->prev = seg;
followseg->next = seg;
if (followseg == id->last)
id->last = seg;
}
id->numsegments++;
}
/* Track earliest and latest times */
if (msr->starttime < id->earliest)
id->earliest = msr->starttime;
if (endtime > id->latest)
id->latest = endtime;
} /* End of searching segment list */
} /* End of adding coverage to matching ID */
/* Sort modified segment into place, logic above should limit these to few shifts if any */
while (seg->next && (seg->starttime > seg->next->starttime ||
(seg->starttime == seg->next->starttime && seg->endtime < seg->next->endtime)))
{
/* Move segment down list, swap seg and seg->next */
segafter = seg->next;
if (seg->prev)
seg->prev->next = segafter;
if (segafter->next)
segafter->next->prev = seg;
segafter->prev = seg->prev;
seg->prev = segafter;
seg->next = segafter->next;
segafter->next = seg;
/* Reset first and last segment pointers if replaced */
if (id->first == seg)
id->first = segafter;
if (id->last == segafter)
id->last = seg;
}
while (seg->prev && (seg->starttime < seg->prev->starttime ||
(seg->starttime == seg->prev->starttime && seg->endtime > seg->prev->endtime)))
{
/* Move segment up list, swap seg and seg->prev */
segbefore = seg->prev;
if (seg->next)
seg->next->prev = segbefore;
if (segbefore->prev)
segbefore->prev->next = seg;
segbefore->next = seg->next;
seg->next = segbefore;
seg->prev = segbefore->prev;
segbefore->prev = seg;
/* Reset first and last segment pointers if replaced */
if (id->first == segbefore)
id->first = seg;
if (id->last == seg)
id->last = segbefore;
}
/* Set MSTraceID as last accessed */
mstl->last = id;
return seg;
} /* End of mstl_addmsr() */
/***************************************************************************
* mstl_msr2seg:
*
* Create an MSTraceSeg structure from an MSRecord structure.
*
* Return a pointer to a MSTraceSeg otherwise 0 on error.
***************************************************************************/
MSTraceSeg *
mstl_msr2seg (MSRecord *msr, hptime_t endtime)
{
MSTraceSeg *seg = 0;
int samplesize;
if (!(seg = (MSTraceSeg *)calloc (1, sizeof (MSTraceSeg))))
{
ms_log (2, "mstl_addmsr(): Error allocating memory\n");
return 0;
}
/* Populate MSTraceSeg */
seg->starttime = msr->starttime;
seg->endtime = endtime;
seg->samprate = msr->samprate;
seg->samplecnt = msr->samplecnt;
seg->sampletype = msr->sampletype;
seg->numsamples = msr->numsamples;
/* Allocate space for and copy datasamples */
if (msr->datasamples && msr->numsamples)
{
samplesize = ms_samplesize (msr->sampletype);
if (!(seg->datasamples = malloc ((size_t) (samplesize * msr->numsamples))))
{
ms_log (2, "mstl_msr2seg(): Error allocating memory\n");
return 0;
}
/* Copy data samples from MSRecord to MSTraceSeg */
memcpy (seg->datasamples, msr->datasamples, (size_t) (samplesize * msr->numsamples));
}
return seg;
} /* End of mstl_msr2seg() */
/***************************************************************************
* mstl_addmsrtoseg:
*
* Add data coverage from a MSRecord structure to a MSTraceSeg structure.
*
* Data coverage is added to the beginning or end of MSTraceSeg
* according to the whence flag:
* 1 : add coverage to the end
* 2 : add coverage to the beginninig
*
* Return a pointer to a MSTraceSeg otherwise 0 on error.
***************************************************************************/
MSTraceSeg *
mstl_addmsrtoseg (MSTraceSeg *seg, MSRecord *msr, hptime_t endtime, flag whence)
{
int samplesize = 0;
void *newdatasamples;
if (!seg || !msr)
return 0;
/* Allocate more memory for data samples if included */
if (msr->datasamples && msr->numsamples > 0)
{
if (msr->sampletype != seg->sampletype)
{
ms_log (2, "mstl_addmsrtoseg(): MSRecord sample type (%c) does not match segment sample type (%c)\n",
msr->sampletype, seg->sampletype);
return 0;
}
if (!(samplesize = ms_samplesize (msr->sampletype)))
{
ms_log (2, "mstl_addmsrtoseg(): Unknown sample size for sample type: %c\n", msr->sampletype);
return 0;
}
if (!(newdatasamples = realloc (seg->datasamples, (size_t) ((seg->numsamples + msr->numsamples) * samplesize))))
{
ms_log (2, "mstl_addmsrtoseg(): Error allocating memory\n");
return 0;
}
seg->datasamples = newdatasamples;
}
/* Add coverage to end of segment */
if (whence == 1)
{
seg->endtime = endtime;
seg->samplecnt += msr->samplecnt;
if (msr->datasamples && msr->numsamples > 0)
{
memcpy ((char *)seg->datasamples + (seg->numsamples * samplesize),
msr->datasamples,
(size_t) (msr->numsamples * samplesize));
seg->numsamples += msr->numsamples;
}
}
/* Add coverage to beginning of segment */
else if (whence == 2)
{
seg->starttime = msr->starttime;
seg->samplecnt += msr->samplecnt;
if (msr->datasamples && msr->numsamples > 0)
{
memmove ((char *)seg->datasamples + (msr->numsamples * samplesize),
seg->datasamples,
(size_t) (seg->numsamples * samplesize));
memcpy (seg->datasamples,
msr->datasamples,
(size_t) (msr->numsamples * samplesize));
seg->numsamples += msr->numsamples;
}
}
else
{
ms_log (2, "mstl_addmsrtoseg(): unrecognized whence value: %d\n", whence);
return 0;
}
return seg;
} /* End of mstl_addmsrtoseg() */
/***************************************************************************
* mstl_addsegtoseg:
*
* Add data coverage from seg2 to seg1.
*
* Return a pointer to a seg1 otherwise 0 on error.
***************************************************************************/
MSTraceSeg *
mstl_addsegtoseg (MSTraceSeg *seg1, MSTraceSeg *seg2)
{
int samplesize = 0;
void *newdatasamples;
if (!seg1 || !seg2)
return 0;
/* Allocate more memory for data samples if included */
if (seg2->datasamples && seg2->numsamples > 0)
{
if (seg2->sampletype != seg1->sampletype)
{
ms_log (2, "mstl_addsegtoseg(): MSTraceSeg sample types do not match (%c and %c)\n",
seg1->sampletype, seg2->sampletype);
return 0;
}
if (!(samplesize = ms_samplesize (seg1->sampletype)))
{
ms_log (2, "mstl_addsegtoseg(): Unknown sample size for sample type: %c\n", seg1->sampletype);
return 0;
}
if (!(newdatasamples = realloc (seg1->datasamples, (size_t) ((seg1->numsamples + seg2->numsamples) * samplesize))))
{
ms_log (2, "mstl_addsegtoseg(): Error allocating memory\n");
return 0;
}
seg1->datasamples = newdatasamples;
}
/* Add seg2 coverage to end of seg1 */
seg1->endtime = seg2->endtime;
seg1->samplecnt += seg2->samplecnt;
if (seg2->datasamples && seg2->numsamples > 0)
{
memcpy ((char *)seg1->datasamples + (seg1->numsamples * samplesize),
seg2->datasamples,
(size_t) (seg2->numsamples * samplesize));
seg1->numsamples += seg2->numsamples;
}
return seg1;
} /* End of mstl_addsegtoseg() */
/***************************************************************************
* mstl_convertsamples:
*
* Convert the data samples associated with an MSTraceSeg to another
* data type. ASCII data samples cannot be converted, if supplied or
* requested an error will be returned.
*
* When converting float & double sample types to integer type a
* simple rounding is applied by adding 0.5 to the sample value before
* converting (truncating) to integer.
*
* If the truncate flag is true data samples will be truncated to
* integers even if loss of sample precision is detected. If the
* truncate flag is false (0) and loss of precision is detected an
* error is returned.
*
* Returns 0 on success, and -1 on failure.
***************************************************************************/
int
mstl_convertsamples (MSTraceSeg *seg, char type, flag truncate)
{
int32_t *idata;
float *fdata;
double *ddata;
int64_t idx;
if (!seg)
return -1;
/* No conversion necessary, report success */
if (seg->sampletype == type)
return 0;
if (seg->sampletype == 'a' || type == 'a')
{
ms_log (2, "mstl_convertsamples: cannot convert ASCII samples to/from numeric type\n");
return -1;
}
idata = (int32_t *)seg->datasamples;
fdata = (float *)seg->datasamples;
ddata = (double *)seg->datasamples;
/* Convert to 32-bit integers */
if (type == 'i')
{
if (seg->sampletype == 'f') /* Convert floats to integers with simple rounding */
{
for (idx = 0; idx < seg->numsamples; idx++)
{
/* Check for loss of sub-integer */
if (!truncate && (fdata[idx] - (int32_t)fdata[idx]) > 0.000001)
{
ms_log (1, "mstl_convertsamples: Warning, loss of precision when converting floats to integers, loss: %g\n",
(fdata[idx] - (int32_t)fdata[idx]));
return -1;
}
idata[idx] = (int32_t) (fdata[idx] + 0.5);
}
}
else if (seg->sampletype == 'd') /* Convert doubles to integers with simple rounding */
{
for (idx = 0; idx < seg->numsamples; idx++)
{
/* Check for loss of sub-integer */
if (!truncate && (ddata[idx] - (int32_t)ddata[idx]) > 0.000001)
{
ms_log (1, "mstl_convertsamples: Warning, loss of precision when converting doubles to integers, loss: %g\n",
(ddata[idx] - (int32_t)ddata[idx]));
return -1;
}
idata[idx] = (int32_t) (ddata[idx] + 0.5);
}
/* Reallocate buffer for reduced size needed */
if (!(seg->datasamples = realloc (seg->datasamples, (size_t) (seg->numsamples * sizeof (int32_t)))))
{
ms_log (2, "mstl_convertsamples: cannot re-allocate buffer for sample conversion\n");
return -1;
}
}
seg->sampletype = 'i';
} /* Done converting to 32-bit integers */
/* Convert to 32-bit floats */
else if (type == 'f')
{
if (seg->sampletype == 'i') /* Convert integers to floats */
{
for (idx = 0; idx < seg->numsamples; idx++)
fdata[idx] = (float)idata[idx];
}
else if (seg->sampletype == 'd') /* Convert doubles to floats */
{
for (idx = 0; idx < seg->numsamples; idx++)
fdata[idx] = (float)ddata[idx];
/* Reallocate buffer for reduced size needed */
if (!(seg->datasamples = realloc (seg->datasamples, (size_t) (seg->numsamples * sizeof (float)))))
{
ms_log (2, "mstl_convertsamples: cannot re-allocate buffer after sample conversion\n");
return -1;
}
}
seg->sampletype = 'f';
} /* Done converting to 32-bit floats */
/* Convert to 64-bit doubles */
else if (type == 'd')
{
if (!(ddata = (double *)malloc ((size_t) (seg->numsamples * sizeof (double)))))
{
ms_log (2, "mstl_convertsamples: cannot allocate buffer for sample conversion to doubles\n");
return -1;
}
if (seg->sampletype == 'i') /* Convert integers to doubles */
{
for (idx = 0; idx < seg->numsamples; idx++)
ddata[idx] = (double)idata[idx];
free (idata);
}
else if (seg->sampletype == 'f') /* Convert floats to doubles */
{
for (idx = 0; idx < seg->numsamples; idx++)
ddata[idx] = (double)fdata[idx];
free (fdata);
}
seg->datasamples = ddata;
seg->sampletype = 'd';
} /* Done converting to 64-bit doubles */
return 0;
} /* End of mstl_convertsamples() */
/***************************************************************************
* mstl_printtracelist:
*
* Print trace list summary information for the specified MSTraceList.
*
* By default only print the srcname, starttime and endtime for each
* trace. If details is greater than 0 include the sample rate,
* number of samples and a total trace count. If gaps is greater than
* 0 and the previous trace matches (srcname & samprate) include the
* gap between the endtime of the last trace and the starttime of the
* current trace.
*
* The timeformat flag can either be:
* 0 : SEED time format (year, day-of-year, hour, min, sec)
* 1 : ISO time format (year, month, day, hour, min, sec)
* 2 : Epoch time, seconds since the epoch
***************************************************************************/
void
mstl_printtracelist (MSTraceList *mstl, flag timeformat,
flag details, flag gaps)
{
MSTraceID *id = 0;
MSTraceSeg *seg = 0;
char stime[30];
char etime[30];
char gapstr[20];
flag nogap;
double gap;
double delta;
int tracecnt = 0;
int segcnt = 0;
if (!mstl)
{
return;
}
/* Print out the appropriate header */
if (details > 0 && gaps > 0)
ms_log (0, " Source Start sample End sample Gap Hz Samples\n");
else if (details <= 0 && gaps > 0)
ms_log (0, " Source Start sample End sample Gap\n");
else if (details > 0 && gaps <= 0)
ms_log (0, " Source Start sample End sample Hz Samples\n");
else
ms_log (0, " Source Start sample End sample\n");
/* Loop through trace list */
id = mstl->traces;
while (id)
{
/* Loop through segment list */
seg = id->first;
while (seg)
{
/* Create formatted time strings */
if (timeformat == 2)
{
snprintf (stime, sizeof (stime), "%.6f", (double)MS_HPTIME2EPOCH (seg->starttime));
snprintf (etime, sizeof (etime), "%.6f", (double)MS_HPTIME2EPOCH (seg->endtime));
}
else if (timeformat == 1)
{
if (ms_hptime2isotimestr (seg->starttime, stime, 1) == NULL)
ms_log (2, "Cannot convert trace start time for %s\n", id->srcname);
if (ms_hptime2isotimestr (seg->endtime, etime, 1) == NULL)