noted differences in 1.21 and 1.22 log format versions, added utility

function to print them out


git-svn-id: https://svn.mcs.anl.gov/repos/darshan/trunk@121 3b7491f3-a168-0410-bf4b-c445ed680a29

darshan-logutils.c

@@ -268,3 +268,49 @@ void darshan_log_close(darshan_fd file)
     gzclose(file);
 }
 
+/* darshan_log_print_version_warnings()
+ *
+ * Print summary of any problems with the detected log format
+ */
+void darshan_log_print_version_warnings(struct darshan_job *job)
+{
+    if(strcmp(job->version_string, "1.22") == 0)
+    {
+        /* nothing to do, this is the current version */
+        return;
+    }
+
+    if(strcmp(job->version_string, "1.21") == 0)
+    {
+        printf("# WARNING: version 1.21 log format does not support the following parameters:\n");
+        printf("#   CP_INDEP_NC_OPENS\n");
+        printf("#   CP_COLL_NC_OPENS\n");
+        printf("#   CP_HDF5_OPENS\n");
+        printf("#   CP_MAX_READ_TIME_SIZE\n");
+        printf("#   CP_MAX_WRITE_TIME_SIZE\n");
+        printf("#   CP_F_MAX_READ_TIME\n");
+        printf("#   CP_F_MAX_WRITE_TIME\n");
+        return;
+    }
+
+    fprintf(stderr, "Error: version %s not supported by parser.\n",
+        job->version_string);
+    return;
+}
+
+/*******************************
+ * version 1.21 to 1.22 differences 
+ * - added:
+ *   - CP_INDEP_NC_OPENS
+ *   - CP_COLL_NC_OPENS
+ *   - CP_HDF5_OPENS
+ *   - CP_MAX_READ_TIME_SIZE
+ *   - CP_MAX_WRITE_TIME_SIZE
+ *   - CP_F_MAX_READ_TIME
+ *   - CP_F_MAX_WRITE_TIME
+ * - changed params:
+ *   - CP_FILE_RECORD_SIZE: 1184 to 1240
+ *   - CP_NUM_INDICES: 133 to 138
+ *   - CP_F_NUM_INDICES: 12 to 14
+ * - so 56 bytes worth of new indices are the only difference
+ */

darshan-logutils.h

@@ -17,5 +17,6 @@ int darshan_log_getjob(darshan_fd file, struct darshan_job *job);
 int darshan_log_getfile(darshan_fd fd, struct darshan_file *file);
 int darshan_log_getexe(darshan_fd fd, char *buf, int *flag);
 void darshan_log_close(darshan_fd file);
+void darshan_log_print_version_warnings(struct darshan_job *job);
 
 #endif

darshan-parser.c

@@ -46,6 +46,9 @@ int main(int argc, char **argv)
         return(-1);
     }
 
+    /* warn user about any missing information in this log format */
+    darshan_log_print_version_warnings(&job);
+
     ret = darshan_log_getexe(file, tmp_string, &no_files_flag);
     if(ret < 0)
     {