X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fcollectd-tg.c;h=23257fde9b2eaefbc52a063ad6b1cfad39843dc9;hb=e9b1ff6f13a7b203ec52a541aa468f23502c9584;hp=08bb74877de4ad9b375585fbc2175adf501d3e95;hpb=0a63e4493d92f7d739a1849bc65d4e971b047004;p=collectd.git

diff --git a/src/collectd-tg.c b/src/collectd-tg.c
index 08bb7487..23257fde 100644
--- a/src/collectd-tg.c
+++ b/src/collectd-tg.c
@@ -28,18 +28,6 @@
 # include "config.h"
 #endif
 
-#ifndef _ISOC99_SOURCE
-# define _ISOC99_SOURCE
-#endif
-
-#ifndef _POSIX_C_SOURCE
-# define _POSIX_C_SOURCE 200809L
-#endif
-
-#ifndef _XOPEN_SOURCE
-# define _XOPEN_SOURCE 700
-#endif
-
 #if !__GNUC__
 # define __attribute__(x) /**/
 #endif
@@ -51,6 +39,8 @@
 #include <time.h>
 #include <signal.h>
 #include <errno.h>
+#include <math.h>
+#include <sys/time.h>
 
 #include "utils_heap.h"
 
@@ -111,6 +101,29 @@ static void signal_handler (int signal) /* {{{ */
   loop = 0;
 } /* }}} void signal_handler */
 
+#if HAVE_CLOCK_GETTIME
+static double dtime (void) /* {{{ */
+{
+  struct timespec ts = { 0 };
+
+  if (clock_gettime (CLOCK_MONOTONIC, &ts) != 0)
+    perror ("clock_gettime");
+
+  return ((double) ts.tv_sec) + (((double) ts.tv_nsec) / 1e9);
+} /* }}} double dtime */
+#else
+/* Work around for Mac OS X which doesn't have clock_gettime(2). *sigh* */
+static double dtime (void) /* {{{ */
+{
+  struct timeval tv = { 0 };
+
+  if (gettimeofday (&tv, /* timezone = */ NULL) != 0)
+    perror ("gettimeofday");
+
+  return ((double) tv.tv_sec) + (((double) tv.tv_usec) / 1e6);
+} /* }}} double dtime */
+#endif
+
 static int compare_time (const void *v0, const void *v1) /* {{{ */
 {
   const lcc_value_list_t *vl0 = v0;
@@ -143,13 +156,12 @@ static lcc_value_list_t *create_value_list (void) /* {{{ */
   lcc_value_list_t *vl;
   int host_num;
 
-  vl = malloc (sizeof (*vl));
+  vl = calloc (1, sizeof (*vl));
   if (vl == NULL)
   {
-    fprintf (stderr, "malloc failed.\n");
+    fprintf (stderr, "calloc failed.\n");
     return (NULL);
   }
-  memset (vl, 0, sizeof (*vl));
 
   vl->values = calloc (/* nmemb = */ 1, sizeof (*vl->values));
   if (vl->values == NULL)
@@ -173,7 +185,7 @@ static lcc_value_list_t *create_value_list (void) /* {{{ */
   host_num = get_boundet_random (0, conf_num_hosts);
 
   vl->interval = conf_interval;
-  vl->time = 1.0 + time (NULL)
+  vl->time = 1.0 + dtime ()
     + (host_num % (1 + (int) vl->interval));
 
   if (get_boundet_random (0, 2) == 0)
@@ -212,7 +224,7 @@ static int send_value (lcc_value_list_t *vl) /* {{{ */
   if (vl->values_types[0] == LCC_TYPE_GAUGE)
     vl->values[0].gauge = 100.0 * ((gauge_t) random ()) / (((gauge_t) RAND_MAX) + 1.0);
   else
-    vl->values[0].derive += get_boundet_random (0, 100);
+    vl->values[0].derive += (derive_t) get_boundet_random (0, 100);
 
   status = lcc_network_values_send (net, vl);
   if (status != 0)
@@ -327,7 +339,7 @@ static int read_options (int argc, char **argv) /* {{{ */
 int main (int argc, char **argv) /* {{{ */
 {
   int i;
-  time_t last_time;
+  double last_time;
   int values_sent = 0;
 
   read_options (argc, argv);
@@ -355,7 +367,7 @@ int main (int argc, char **argv) /* {{{ */
   else
   {
     lcc_server_t *srv;
-    
+
     srv = lcc_server_create (net, conf_destination, conf_service);
     if (srv == NULL)
     {
@@ -400,14 +412,18 @@ int main (int argc, char **argv) /* {{{ */
       printf ("%i values have been sent.\n", values_sent);
 
       /* Check if we need to sleep */
-      time_t now = time (NULL);
+      double now = dtime ();
 
       while (now < vl->time)
       {
         /* 1 / 100 second */
         struct timespec ts = { 0, 10000000 };
+
+        ts.tv_sec = (time_t) now;
+        ts.tv_nsec = (long) ((now - ((double) ts.tv_sec)) * 1e9);
+
         nanosleep (&ts, /* remaining = */ NULL);
-        now = time (NULL);
+        now = dtime ();
 
         if (!loop)
           break;