Beispiel #1
0
/*********************************************************************
 * ms_readtraces_selection:
 *
 * This routine will open and read all Mini-SEED records in specified
 * file and populate a trace group.  This routine is thread safe.
 *
 * If reclen is <= 0 the length of every record is automatically
 * detected.
 *
 * If a Selections list is supplied it will be used to limit which
 * records are added to the trace group.
 *
 * Returns MS_NOERROR and populates an MSTraceGroup struct at *ppmstg
 * on successful read, otherwise returns a libmseed error code (listed
 * in libmseed.h).
 *********************************************************************/
int
ms_readtraces_selection (MSTraceGroup **ppmstg, const char *msfile,
                         int reclen, double timetol, double sampratetol,
                         Selections *selections, flag dataquality,
                         flag skipnotdata, flag dataflag, flag verbose)
{
  MSRecord *msr     = 0;
  MSFileParam *msfp = 0;
  int retcode;

  if (!ppmstg)
    return MS_GENERROR;

  /* Initialize MSTraceGroup if needed */
  if (!*ppmstg)
  {
    *ppmstg = mst_initgroup (*ppmstg);

    if (!*ppmstg)
      return MS_GENERROR;
  }

  /* Loop over the input file */
  while ((retcode = ms_readmsr_main (&msfp, &msr, msfile, reclen, NULL, NULL,
                                     skipnotdata, dataflag, NULL, verbose)) == MS_NOERROR)
  {
    /* Test against selections if supplied */
    if (selections)
    {
      char srcname[50];
      hptime_t endtime;

      msr_srcname (msr, srcname, 1);
      endtime = msr_endtime (msr);

      if (ms_matchselect (selections, srcname, msr->starttime, endtime, NULL) == NULL)
      {
        continue;
      }
    }

    /* Add to trace group */
    mst_addmsrtogroup (*ppmstg, msr, dataquality, timetol, sampratetol);
  }

  /* Reset return code to MS_NOERROR on successful read by ms_readmsr() */
  if (retcode == MS_ENDOFFILE)
    retcode = MS_NOERROR;

  ms_readmsr_main (&msfp, &msr, NULL, 0, NULL, NULL, 0, 0, NULL, 0);

  return retcode;
} /* End of ms_readtraces_selection() */
Beispiel #2
0
int
main (int argc, char **argv)
{
  MSRecord *msr = 0;
  MSTraceGroup *mstg = 0;
  MSTrace *mst;
  int retcode;

  int totalrecs  = 0;
  int totalsamps = 0;
  int packedsamples;
  int packedrecords;
  int lastrecord;
  int iseqnum = 1;
  
#ifndef WIN32
  /* Signal handling, use POSIX calls with standardized semantics */
  struct sigaction sa;
  
  sa.sa_flags = SA_RESTART;
  sigemptyset (&sa.sa_mask);
  
  sa.sa_handler = term_handler;
  sigaction (SIGINT, &sa, NULL);
  sigaction (SIGQUIT, &sa, NULL);
  sigaction (SIGTERM, &sa, NULL);
  
  sa.sa_handler = SIG_IGN;
  sigaction (SIGHUP, &sa, NULL);
  sigaction (SIGPIPE, &sa, NULL);
#endif
  
  /* Process given parameters (command line and parameter file) */
  if (parameter_proc (argc, argv) < 0)
    return -1;
  
  /* Setup input encoding format if specified */
  if ( encodingstr )
    {
      int inputencoding = strtoul (encodingstr, NULL, 10);
      
      if ( inputencoding == 0 && errno == EINVAL )
	{
	  ms_log (2, "Error parsing input encoding format: %s\n", encodingstr);
	  return -1;
	}
      
      MS_UNPACKENCODINGFORMAT (inputencoding);
    }
  
  /* Init MSTraceGroup */
  mstg = mst_initgroup (mstg);
  
  /* Loop over the input file */
  while ( (retcode = ms_readmsr (&msr, inputfile, reclen, NULL, &lastrecord,
				 1, 1, verbose)) == MS_NOERROR )
    {
      totalrecs++;
      totalsamps += msr->samplecnt;
      
      msr_print (msr, ppackets);
      
      if ( packreclen >= 0 )
	msr->reclen = packreclen;
      else
	packreclen = msr->reclen;
      
      if ( packencoding >= 0 )
	msr->encoding = packencoding;
      else
	packencoding = msr->encoding;
      
      if ( byteorder >= 0 )
	msr->byteorder = byteorder;
      else
	byteorder = msr->byteorder;
      
      /* After unpacking the record, the start time in msr->starttime
	 is a potentially corrected start time, if correction has been
	 applied make sure the correction bit flag is set as it will
	 be used as a packing template. */
      if ( msr->fsdh->time_correct && ! (msr->fsdh->act_flags & 0x02) )
	{
	  ms_log (1, "Setting time correction applied flag for %s_%s_%s_%s\n",
		  msr->network, msr->station, msr->location, msr->channel);
	  msr->fsdh->act_flags |= 0x02;
	}
      
      /* If no samples in the record just pack the header */
      if ( outfile && msr->numsamples == 0 )
	{
	  msr_pack_header (msr, 1, verbose);
	  record_handler (msr->record, msr->reclen, NULL);
	}
      
      /* Pack each record individually */
      else if ( outfile && ! tracepack )
	{
	  msr->sequence_number = iseqnum;
	  
	  packedrecords = msr_pack (msr, &record_handler, NULL, &packedsamples, 1, verbose);
	  
	  if ( packedrecords == -1 )
	    ms_log (2, "Cannot pack records\n"); 
	  else
	    ms_log (1, "Packed %d records\n", packedrecords); 
	  
	  iseqnum = msr->sequence_number;
	}
      
      /* Pack records from a MSTraceGroup */
      else if ( outfile && tracepack )
	{
	  mst = mst_addmsrtogroup (mstg, msr, 0, -1.0, -1.0);
	  
	  if ( ! mst )
	    {
	      ms_log (2, "Error adding MSRecord to MStrace!\n");
	      break;
	    }
	  	  
	  /* Reset sequence number and free previous template */
	  if ( mst->prvtptr )
	    {
	      MSRecord *tmsr = (MSRecord *) mst->prvtptr;
	      
	      /* Retain sequence number from previous template */
	      msr->sequence_number = tmsr->sequence_number;
	      
	      msr_free (&tmsr);
	    }
	  else
	    {
	      msr->sequence_number = 1;
	    }
	  
	  /* Copy MSRecord and store as template */
	  mst->prvtptr = msr_duplicate (msr, 0);
	  
	  if ( ! mst->prvtptr )
	    {
	      ms_log (2, "Error duplicating MSRecord for template!\n");
	      break;
	    }
	  
	  /* Pack traces based on selected method */
	  packedrecords = 0;
	  if ( tracepack == 1 )
	    {
	      mst = mstg->traces;
	      while ( mst )
		{
		  packedrecords += mst_pack (mst, &record_handler, NULL, packreclen,
					     packencoding, byteorder, &packedsamples,
					     lastrecord, verbose, (MSRecord *)mst->prvtptr);
		  mst = mst->next;
		}
	      
	      ms_log (1, "Packed %d records\n", packedrecords);
	    }
	  if ( tracepack == 2 && lastrecord )
	    {
	      mst = mstg->traces;
	      while ( mst )
		{
		  packedrecords += mst_pack (mst, &record_handler, NULL, packreclen,
					     packencoding, byteorder, &packedsamples,
					     lastrecord, verbose, (MSRecord *)mst->prvtptr);
		  mst = mst->next;
		}
	      
	      ms_log (1, "Packed %d records\n", packedrecords);
	    }
	}
    }
  
  if ( retcode != MS_ENDOFFILE )
    ms_log (2, "Error reading %s: %s\n", inputfile, ms_errorstr(retcode));
  
  /* Make sure everything is cleaned up */
  ms_readmsr (&msr, NULL, 0, NULL, NULL, 0, 0, 0);
  mst_freegroup (&mstg);
  
  if ( outfile )
    fclose (outfile);
  
  getchar();

  return 0;
}  /* End of main() */
Beispiel #3
0
int
main (int argc, char **argv)
{
  MSTraceGroup *mstg = 0;
  MSTrace *mst;
  MSRecord *msr = 0;
  
  struct listnode *flp;
  
  int retcode;
  int totalsamps = 0;

  
  /* Process given parameters (command line and parameter file) */
  if (parameter_proc (argc, argv) < 0)
    return -1;
  
  /* Init MSTraceGroup */
  mstg = mst_initgroup (mstg);
  
  /* Read input miniSEED files into MSTraceGroup */
  flp = filelist;

      if ( verbose )
        fprintf (stderr, "Reading %s\n", flp->data);
      
      while ( (retcode = ms_readmsr(&msr, flp->data, reclen, NULL, NULL,
				    1, 1, verbose-1)) == MS_NOERROR )
	{
	  if ( verbose > 1)
	    msr_print (msr, verbose - 2);
	  
	  mst_addmsrtogroup (mstg, msr, 1, timetol, sampratetol);
	  

	  totalsamps += msr->samplecnt;
	}
      
      if ( retcode != MS_ENDOFFILE )
	fprintf (stderr, "Error reading %s: %s\n", flp->data, ms_errorstr(retcode));
      
      /* Make sure everything is cleaned up */
      ms_readmsr (&msr, NULL, 0, NULL, NULL, 0, 0, 0);
      
      /* If processing each file individually, write ASCII and reset */
      if ( indifile )
	{
	  mst = mstg->traces;
	  while ( mst )
	    {
	      writeascii (mst);
	      mst = mst->next;
	    }
	   mstg = mst_initgroup (mstg);
	}
      
  
  /* Make sure everything is cleaned up */
  mst_freegroup (&mstg);
  
  if ( ofp )
    fclose (ofp);
  
  return 0;
}  /* End of main() */