Implemented function to subtract two `struct timeval' and get the difference in a...

diff --git a/src/common.c b/src/common.c
index 3c416fc..72cc558 100644 (file)
--- a/src/common.c
+++ b/src/common.c
@@ -34,6 +34,7 @@ extern kstat_ctl_t *kc;
 #endif
 
 #ifdef HAVE_LIBRRD
+#if 0
 static char *rra_def[] =
 {
                "RRA:AVERAGE:0.0:1:1500",
@@ -51,6 +52,7 @@ static char *rra_def[] =
                NULL
 };
 static int rra_num = 12;
+#endif
 
 static int rra_timespans[] =
 {
@@ -208,6 +210,29 @@ int escape_slashes (char *buf, int buf_len)
        return (0);
 }
 
+int timeval_sub_timespec (struct timeval *tv0, struct timeval *tv1, struct timespec *ret)
+{
+       if ((tv0 == NULL) || (tv1 == NULL) || (ret == NULL))
+               return (-2);
+
+       if ((tv0->tv_sec < tv1->tv_sec)
+                       || ((tv0->tv_sec == tv1->tv_sec) && (tv0->tv_usec < tv1->tv_usec)))
+               return (-1);
+
+       ret->tv_sec  = tv0->tv_sec - tv1->tv_sec;
+       ret->tv_nsec = 1000 * ((long) (tv0->tv_usec - tv1->tv_usec));
+
+       if (ret->tv_nsec < 0)
+       {
+               assert (ret->tv_sec > 0);
+
+               ret->tv_nsec += 1000000000;
+               ret->tv_sec  -= 1;
+       }
+
+       return (0);
+}
+
 #ifdef HAVE_LIBRRD
 int check_create_dir (const char *file_orig)
 {
@@ -398,13 +423,19 @@ int rrd_create_file (char *filename, char **ds_def, int ds_num)
 {
        char **argv;
        int argc;
+       char **rra_def;
+       int rra_num;
        int i, j;
        int status = 0;
 
        if (check_create_dir (filename))
                return (-1);
 
-       rra_get (&argv); /* FIXME */
+       if ((rra_num = rra_get (&rra_def)) < 1)
+       {
+               syslog (LOG_ERR, "rra_create failed: Could not calculate RRAs");
+               return (-1);
+       }
 
        argc = ds_num + rra_num + 4;
 

diff --git a/src/common.h b/src/common.h
index 59984b1..fafce4a 100644 (file)
--- a/src/common.h
+++ b/src/common.h
@@ -103,6 +103,9 @@ int strjoin (char *dst, size_t dst_len, char **fields, size_t fields_num, const
  */
 int escape_slashes (char *buf, int buf_len);
 
+/* FIXME: `timeval_sub_timespec' needs a description */
+int timeval_sub_timespec (struct timeval *tv0, struct timeval *tv1, struct timespec *ret);
+
 int rrd_update_file (char *host, char *file, char *values, char **ds_def,
                int ds_num);