prepare for the release of rrdtool-1.3.0
[rrdtool.git] / src / rrd_fetch.c
index c065793..4ea2eb1 100644 (file)
@@ -1,5 +1,5 @@
 /*****************************************************************************
- * RRDtool 1.2.23  Copyright by Tobi Oetiker, 1997-2007
+ * RRDtool 1.3.0  Copyright by Tobi Oetiker, 1997-2008
  *****************************************************************************
  * rrd_fetch.c  read date from an rrd to use for further processing
  *****************************************************************************
@@ -73,7 +73,7 @@ int rrd_fetch(
     time_t    start_tmp = 0, end_tmp = 0;
     const char *cf;
 
-    struct rrd_time_value start_tv, end_tv;
+    rrd_time_value_t start_tv, end_tv;
     char     *parsetime_error = NULL;
     struct option long_options[] = {
         {"resolution", required_argument, 0, 'r'},
@@ -86,8 +86,8 @@ int rrd_fetch(
     opterr = 0;         /* initialize getopt */
 
     /* init start and end time */
-    parsetime("end-24h", &start_tv);
-    parsetime("now", &end_tv);
+    rrd_parsetime("end-24h", &start_tv);
+    rrd_parsetime("now", &end_tv);
 
     while (1) {
         int       option_index = 0;
@@ -100,13 +100,13 @@ int rrd_fetch(
 
         switch (opt) {
         case 's':
-            if ((parsetime_error = parsetime(optarg, &start_tv))) {
+            if ((parsetime_error = rrd_parsetime(optarg, &start_tv))) {
                 rrd_set_error("start time: %s", parsetime_error);
                 return -1;
             }
             break;
         case 'e':
-            if ((parsetime_error = parsetime(optarg, &end_tv))) {
+            if ((parsetime_error = rrd_parsetime(optarg, &end_tv))) {
                 rrd_set_error("end time: %s", parsetime_error);
                 return -1;
             }
@@ -121,7 +121,7 @@ int rrd_fetch(
     }
 
 
-    if (proc_start_end(&start_tv, &end_tv, &start_tmp, &end_tmp) == -1) {
+    if (rrd_proc_start_end(&start_tv, &end_tv, &start_tmp, &end_tmp) == -1) {
         return -1;
     }
 
@@ -260,7 +260,7 @@ int rrd_fetch_fn(
             tmp_step_diff = labs(*step - (rrd.stat_head->pdp_step
                                           * rrd.rra_def[i].pdp_cnt));
             /* best full match */
-            if (cal_end >= *end && cal_start <= *start) {
+            if (cal_start <= *start) {
                 if (first_full || (tmp_step_diff < best_full_step_diff)) {
                     first_full = 0;
                     best_full_step_diff = tmp_step_diff;
@@ -277,8 +277,6 @@ int rrd_fetch_fn(
                 tmp_match = full_match;
                 if (cal_start > *start)
                     tmp_match -= (cal_start - *start);
-                if (cal_end < *end)
-                    tmp_match -= (*end - cal_end);
                 if (first_part ||
                     (best_match < tmp_match) ||
                     (best_match == tmp_match &&
@@ -420,18 +418,6 @@ int rrd_fetch_fn(
                 rrd_set_error("fetching cdp from rra");
                 goto err_free_data;
             }
-#ifdef HAVE_POSIX_FADVISE
-            /* don't pollute the buffer cache with data read from the file. We do this while reading to 
-               keep damage minimal */
-            if (0 !=
-                posix_fadvise(rrd_file->fd, rrd_file->header_len, 0,
-                              POSIX_FADV_DONTNEED)) {
-                rrd_set_error("setting POSIX_FADV_DONTNEED on '%s': %s",
-                              filename, rrd_strerror(errno));
-                goto err_close; /*XXX: should use err_free_all_ds_namv */
-            }
-#endif
-
 #ifdef DEBUG
             fprintf(stderr, "post fetch %li -- ", i);
             for (ii = 0; ii < *ds_cnt; ii++)
@@ -445,16 +431,7 @@ int rrd_fetch_fn(
 #endif
 
     }
-#ifdef HAVE_POSIX_FADVISE
-    /* and just to be sure we drop everything except the header at the end */
-    if (0 !=
-        posix_fadvise(rrd_file->fd, rrd_file->header_len, 0,
-                      POSIX_FADV_DONTNEED)) {
-        rrd_set_error("setting POSIX_FADV_DONTNEED on '%s': %s", filename,
-                      rrd_strerror(errno));
-        goto err_free;  /*XXX: should use err_free_all_ds_namv */
-    }
-#endif
+
     rrd_close(rrd_file);
     return (0);
   err_free_data: