Changeset 302

Timestamp:

01/11/2011 11:21:08 PM (13 years ago)

Author:

marcus

Message:

r144 | klaus | 2010-12-21 11:08:28 +0100 (Di, 21 Dez 2010) | 1 line

implemented endless loop preventer in SeedReadStream?: ill data files could lead to endless loops via SeedReadNextReccord? always reading the same record or looping the same sequence of records

File:

• SH_SHM/trunk/source/seed_io/seed_lib.c (modified) (5 diffs)

SH_SHM/trunk/source/seed_io/seed_lib.c

@@ -3 +3 @@
  *      ==========
  *
- * $Revision: 134 $, $Date: 2010-08-11 09:51:01 +0200 (Mi, 11 Aug 2010) $
+ * $Revision: 144 $, $Date: 2010-12-21 11:08:28 +0100 (Di, 21 Dez 2010) $
  *
  * SEED library
@@ -2454 +2454 @@
         int      i;           /* counter */
         char     recmsg[cBcLineLth+1];  /* output string */
+        int      eloop_cnt;   /* endless loop preventer: counter */
+        float    eloop_ratio; /* endless loop preventer; samples gained per loop */
 
         /* executable code */
@@ -2485 +2487 @@
         *dt = 0.0;
         expectime.year = 0;
+        eloop_cnt = 0;
         /* reset decode routine */
         SeedDecodeSteim1( NULL, swap, 0, NULL, NULL );
@@ -2659 +2662 @@
                                 strncpy( recmsg, seedv_rec->seqno, 6 );
                                 recmsg[6] = '\0';
-                                fprintf( stderr, "SeedReadStream: record %6s, time %s\n",
+                                fprintf( stderr, "ecord %6s, time %s\n",
                                         recmsg, str );
                                 fprintf( stderr,
@@ -2687 +2690 @@
                         } /*endif*/
                 } /*endwhile*/
+
+                /* endless loop preventer */
+                eloop_cnt++;
+                eloop_ratio = (float)(*smplth) / (float)eloop_cnt;
+                /*printf( "********* dbg: eloop_ratio %g\n", eloop_ratio );*/
+                if  (eloop_cnt > 100 && eloop_ratio < 10.0)  {
+                    fprintf( stderr,
+                                "SeedReadStream: endless loop preventer aborted after %d loops\n",
+                                eloop_cnt );
+                        break;
+                } /*endif*/
 
         } /*endfor*/