static pthread_mutex_t queue_lock = PTHREAD_MUTEX_INITIALIZER;
static pthread_cond_t queue_cond = PTHREAD_COND_INITIALIZER;
+#if !HAVE_THREADSAFE_LIBRRD
+static pthread_mutex_t librrd_lock = PTHREAD_MUTEX_INITIALIZER;
+#endif
+
static int do_shutdown = 0;
/* * * * * * * * * *
return (ds_num);
}
+#if HAVE_THREADSAFE_LIBRRD
+static int srrd_create (char *filename, unsigned long pdp_step, time_t last_up,
+ int argc, char **argv)
+{
+ int status;
+
+ optind = 0; /* bug in librrd? */
+ rrd_clear_error ();
+
+ status = rrd_create_r (filename, pdp_step, last_up, argc, argv);
+
+ if (status != 0)
+ {
+ WARNING ("rrdtool plugin: rrd_create_r (%s) failed: %s",
+ filename, rrd_get_error ());
+ }
+
+ return (status);
+} /* int srrd_create */
+
+static int srrd_update (char *filename, char *template, int argc, char **argv)
+{
+ int status;
+
+ optind = 0; /* bug in librrd? */
+ rrd_clear_error ();
+
+ status = rrd_update_r (filename, template, argc, argv);
+
+ if (status != 0)
+ {
+ WARNING ("rrdtool plugin: rrd_update_r (%s) failed: %s",
+ filename, rrd_get_error ());
+ }
+
+ return (status);
+} /* int srrd_update */
+/* #endif HAVE_THREADSAFE_LIBRRD */
+
+#else /* !HAVE_THREADSAFE_LIBRRD */
+static int srrd_create (char *filename, unsigned long pdp_step, time_t last_up,
+ int argc, char **argv)
+{
+ int status;
+
+ int new_argc;
+ char **new_argv;
+
+ char pdp_step_str[16];
+ char last_up_str[16];
+
+ new_argc = 6 + argc;
+ new_argv = (char **) malloc ((new_argc + 1) * sizeof (char *));
+ if (new_argv == NULL)
+ {
+ ERROR ("rrdtool plugin: malloc failed.");
+ return (-1);
+ }
+
+ if (last_up == 0)
+ last_up = time (NULL) - 10;
+
+ snprintf (pdp_step_str, sizeof (pdp_step_str), "%lu", pdp_step);
+ pdp_step_str[sizeof (pdp_step_str) - 1] = '\0';
+ snprintf (last_up_str, sizeof (last_up_str), "%u", (unsigned int) last_up);
+ last_up_str[sizeof (last_up_str) - 1] = '\0';
+
+ new_argv[0] = "create";
+ new_argv[1] = filename;
+ new_argv[2] = "-s";
+ new_argv[3] = pdp_step_str;
+ new_argv[4] = "-b";
+ new_argv[5] = last_up_str;
+
+ memcpy (new_argv + 6, argv, argc * sizeof (char *));
+ new_argv[new_argc] = NULL;
+
+ pthread_mutex_lock (&librrd_lock);
+ optind = 0; /* bug in librrd? */
+ rrd_clear_error ();
+
+ status = rrd_create (new_argc, new_argv);
+ pthread_mutex_unlock (&librrd_lock);
+
+ if (status != 0)
+ {
+ WARNING ("rrdtool plugin: rrd_create (%s) failed: %s",
+ filename, rrd_get_error ());
+ }
+
+ sfree (new_argv);
+
+ return (status);
+} /* int srrd_create */
+
+static int srrd_update (char *filename, char *template, int argc, char **argv)
+{
+ int status;
+
+ int new_argc;
+ char **new_argv;
+
+ assert (template == NULL);
+
+ new_argc = 2 + argc;
+ new_argv = (char **) malloc ((new_argc + 1) * sizeof (char *));
+ if (new_argv == NULL)
+ {
+ ERROR ("rrdtool plugin: malloc failed.");
+ return (-1);
+ }
+
+ new_argv[0] = "update";
+ new_argv[1] = filename;
+
+ memcpy (new_argv + 2, argv, argc * sizeof (char *));
+ new_argv[new_argc] = NULL;
+
+ pthread_mutex_lock (&librrd_lock);
+ optind = 0; /* bug in librrd? */
+ rrd_clear_error ();
+
+ status = rrd_update (argc, argv);
+ pthread_mutex_unlock (&librrd_lock);
+
+ if (status != 0)
+ {
+ WARNING ("rrdtool plugin: rrd_update_r failed: %s: %s",
+ argv[1], rrd_get_error ());
+ }
+
+ sfree (new_argv);
+
+ return (status);
+} /* int srrd_update */
+#endif /* !HAVE_THREADSAFE_LIBRRD */
+
static int rrd_create_file (char *filename, const data_set_t *ds, const value_list_t *vl)
{
char **argv;
char **ds_def;
int ds_num;
int i, j;
- char stepsize_str[16];
- char begin_str[16];
int status = 0;
if (check_create_dir (filename))
return (-1);
}
- argc = ds_num + rra_num + 6;
+ argc = ds_num + rra_num;
if ((argv = (char **) malloc (sizeof (char *) * (argc + 1))) == NULL)
{
return (-1);
}
- status = snprintf (stepsize_str, sizeof (stepsize_str),
- "%i", (stepsize > 0) ? stepsize : vl->interval);
- if ((status < 1) || (status >= sizeof (stepsize_str)))
- {
- ERROR ("rrdtool plugin: snprintf failed.");
- free (argv);
- ds_free (ds_num, ds_def);
- rra_free (rra_num, rra_def);
- return (-1);
- }
+ memcpy (argv, ds_def, ds_num * sizeof (char *));
+ memcpy (argv + ds_num, rra_def, rra_num * sizeof (char *));
+ argv[ds_num + rra_num] = NULL;
assert (vl->time > 10);
- status = snprintf (begin_str, sizeof (begin_str),
- "%llu", (unsigned long long) (vl->time - 10));
- if ((status < 1) || (status >= sizeof (begin_str)))
- {
- ERROR ("rrdtool plugin: snprintf failed.");
- return (-1);
- }
-
- argv[0] = "create";
- argv[1] = filename;
- argv[2] = "-b";
- argv[3] = begin_str;
- argv[4] = "-s";
- argv[5] = stepsize_str;
-
- j = 6;
- for (i = 0; i < ds_num; i++)
- argv[j++] = ds_def[i];
- for (i = 0; i < rra_num; i++)
- argv[j++] = rra_def[i];
- argv[j] = NULL;
-
- optind = 0; /* bug in librrd? */
- rrd_clear_error ();
- if (rrd_create (argc, argv) == -1)
- {
- ERROR ("rrd_create failed: %s: %s", filename, rrd_get_error ());
- status = -1;
- }
+ status = srrd_create (filename,
+ (stepsize > 0) ? stepsize : vl->interval,
+ vl->time - 10,
+ argc, argv);
free (argv);
ds_free (ds_num, ds_def);
return (0);
} /* int value_list_to_filename */
-static int rrd_write_to_file (char *filename, char **values, int values_num)
-{
- char **argv;
- int argc;
- int status;
-
- if (values_num < 1)
- return (0);
-
- argc = values_num + 2;
- argv = (char **) malloc ((argc + 1) * sizeof (char *));
- if (argv == NULL)
- return (-1);
-
- argv[0] = "update";
- argv[1] = filename;
- memcpy (argv + 2, values, values_num * sizeof (char *));
- argv[argc] = NULL;
-
- DEBUG ("rrd_update (argc = %i, argv = %p)", argc, (void *) argv);
-
- optind = 0; /* bug in librrd? */
- rrd_clear_error ();
- status = rrd_update (argc, argv);
- if (status != 0)
- {
- WARNING ("rrd_update failed: %s: %s",
- filename, rrd_get_error ());
- status = -1;
- }
-
- sfree (argv);
-
- return (status);
-} /* int rrd_write_cache_entry */
-
static void *rrd_queue_thread (void *data)
{
while (42)
pthread_mutex_unlock (&cache_lock);
/* Write the values to the RRD-file */
- rrd_write_to_file (queue_entry->filename, values, values_num);
+ srrd_update (queue_entry->filename, NULL, values_num, values);
for (i = 0; i < values_num; i++)
{
projects / collectd.git / blobdiff