--- /dev/null
+/**
+ * collectd - src/collectd-tg.c
+ * Copyright (C) 2010 Florian octo Forster
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; only version 2 of the License is applicable.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Authors:
+ * Florian Forster <ff at octo.it>
+ **/
+
+#if HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+
+#include "libcollectdclient/collectd/client.h"
+#include "libcollectdclient/collectd/network.h"
+#include "libcollectdclient/collectd/network_buffer.h"
+
+static int conf_num_hosts = 1000;
+static int conf_num_plugins = 20;
+static int conf_num_values = 100000;
+
+static lcc_network_buffer_t *nb;
+
+static lcc_value_list_t **values;
+static size_t values_num;
+
+static int compare_time (const void *v0, const void *v1) /* {{{ */
+{
+ lcc_value_list_t * const *vl0 = v0;
+ lcc_value_list_t * const *vl1 = v1;
+
+ if ((*vl0)->time < (*vl1)->time)
+ return (-1);
+ else if ((*vl0)->time > (*vl1)->time)
+ return (1);
+ else
+ return (lcc_identifier_compare (&(*vl0)->identifier, /* Ouch, somebody */
+ &(*vl1)->identifier)); /* is going to hate me for this. */
+} /* }}} int compare_time */
+
+static int get_boundet_random (int min, int max) /* {{{ */
+{
+ int range;
+
+ if (min >= max)
+ return (-1);
+ if (min == (max - 1))
+ return (min);
+
+ range = max - min;
+
+ return (min + ((int) (((double) range) * ((double) random ()) / (((double) RAND_MAX) + 1.0))));
+} /* }}} int get_boundet_random */
+
+static int dump_network_buffer (void) /* {{{ */
+{
+ char buffer[LCC_NETWORK_BUFFER_SIZE_DEFAULT];
+ size_t buffer_size;
+ int status;
+ size_t offset;
+
+ memset (buffer, 0, sizeof (buffer));
+ buffer_size = sizeof (buffer);
+
+ status = lcc_network_buffer_get (nb, buffer, &buffer_size);
+ if (status != 0)
+ {
+ fprintf (stderr, "lcc_network_buffer_get failed with status %i.\n",
+ status);
+ return (status);
+ }
+
+ if (buffer_size > sizeof (buffer))
+ buffer_size = sizeof (buffer);
+
+ for (offset = 0; offset < buffer_size; offset += 16)
+ {
+ size_t i;
+
+ for (i = 0; (i < 16) && ((offset + i) < buffer_size); i++)
+ {
+ uint8_t v = (uint8_t) buffer[offset + i];
+ printf ("%02"PRIx8" ", v);
+ }
+ for (; i < 16; i++)
+ printf (" ");
+ printf (" ");
+ for (i = 0; (i < 16) && ((offset + i) < buffer_size); i++)
+ {
+ uint8_t v = (uint8_t) buffer[offset + i];
+ if ((v >= 32) && (v < 128))
+ printf ("%c", (int) buffer[offset + i]);
+ else
+ printf (".");
+ }
+ printf ("\n");
+ }
+
+ return (0);
+} /* }}} int dump_network_buffer */
+
+static lcc_value_list_t *create_value_list (void) /* {{{ */
+{
+ lcc_value_list_t *vl;
+ int host_num;
+
+ vl = malloc (sizeof (*vl));
+ if (vl == NULL)
+ {
+ fprintf (stderr, "malloc failed.\n");
+ return (NULL);
+ }
+ memset (vl, 0, sizeof (*vl));
+
+ vl->values = calloc (/* nmemb = */ 1, sizeof (*vl->values));
+ if (vl->values == NULL)
+ {
+ fprintf (stderr, "calloc failed.\n");
+ free (vl);
+ return (NULL);
+ }
+
+ vl->values_types = calloc (/* nmemb = */ 1, sizeof (*vl->values_types));
+ if (vl->values_types == NULL)
+ {
+ fprintf (stderr, "calloc failed.\n");
+ free (vl->values);
+ free (vl);
+ return (NULL);
+ }
+
+ vl->values_len = 1;
+
+ host_num = get_boundet_random (0, conf_num_hosts);
+
+ vl->interval = 10;
+ vl->time = time (NULL) - (host_num % vl->interval);
+
+ if (get_boundet_random (0, 2) == 0)
+ vl->values_types[0] = LCC_TYPE_GAUGE;
+ else
+ vl->values_types[0] = LCC_TYPE_DERIVE;
+
+ snprintf (vl->identifier.host, sizeof (vl->identifier.host),
+ "host%04i", host_num);
+ snprintf (vl->identifier.plugin, sizeof (vl->identifier.plugin),
+ "plugin%03i", get_boundet_random (0, conf_num_plugins));
+ strncpy (vl->identifier.type,
+ (vl->values_types[0] == LCC_TYPE_GAUGE) ? "gauge" : "derive",
+ sizeof (vl->identifier.type));
+ snprintf (vl->identifier.type_instance, sizeof (vl->identifier.type_instance),
+ "ti%li", random ());
+
+ return (vl);
+} /* }}} int create_value_list */
+
+static void destroy_value_list (lcc_value_list_t *vl) /* {{{ */
+{
+ if (vl == NULL)
+ return;
+
+ free (vl->values);
+ free (vl->values_types);
+ free (vl);
+} /* }}} void destroy_value_list */
+
+static int send_value (lcc_value_list_t *vl) /* {{{ */
+{
+ int status;
+
+ 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);
+
+ status = lcc_network_buffer_add_value (nb, vl);
+ if (status != 0)
+ {
+ lcc_network_buffer_finalize (nb);
+ dump_network_buffer ();
+ lcc_network_buffer_initialize (nb);
+
+ status = lcc_network_buffer_add_value (nb, vl);
+ }
+
+ vl->time += vl->interval;
+
+ return (0);
+} /* }}} int send_value */
+
+int main (int argc, char **argv) /* {{{ */
+{
+ size_t i;
+
+ nb = lcc_network_buffer_create (/* size = */ 0);
+ if (nb == NULL)
+ {
+ fprintf (stderr, "lcc_network_buffer_create failed.\n");
+ exit (EXIT_FAILURE);
+ }
+
+ values_num = (size_t) conf_num_values;
+ values = calloc (values_num, sizeof (*values));
+ if (values == NULL)
+ {
+ fprintf (stderr, "calloc failed.\n");
+ exit (EXIT_FAILURE);
+ }
+
+ fprintf (stdout, "Creating %i values ... ", conf_num_values);
+ fflush (stdout);
+ for (i = 0; i < values_num; i++)
+ {
+ values[i] = create_value_list ();
+ if (values[i] == NULL)
+ {
+ fprintf (stderr, "create_value_list failed.\n");
+ exit (EXIT_FAILURE);
+ }
+ }
+ fprintf (stdout, "done\n");
+
+ fprintf (stdout, "Sorting values by time ... ");
+ fflush (stdout);
+ qsort (values, values_num, sizeof (*values), compare_time);
+ fprintf (stdout, "done\n");
+
+ lcc_network_buffer_initialize (nb);
+ for (i = 0; i < values_num; i++)
+ send_value (values[i]);
+ lcc_network_buffer_finalize (nb);
+ dump_network_buffer ();
+
+ for (i = 0; i < values_num; i++)
+ destroy_value_list (values[i]);
+ free (values);
+
+ lcc_network_buffer_destroy (nb);
+ exit (EXIT_SUCCESS);
+ return (0);
+} /* }}} int main */
+
+/* vim: set sw=2 sts=2 et fdm=marker : */
projects / collectd.git / commitdiff