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raw | patch | inline | side by side (parent: 0bdac02)
raw | patch | inline | side by side (parent: 0bdac02)
author | Florian Forster <ff@octo.it> | |
Mon, 14 Jun 2010 10:47:25 +0000 (12:47 +0200) | ||
committer | Florian Forster <octo@leeloo.lan.home.verplant.org> | |
Mon, 14 Jun 2010 10:47:25 +0000 (12:47 +0200) |
The get_random_color() function has been moved to common.[ch].
action_graph.c | patch | blob | history | |
common.c | patch | blob | history | |
common.h | patch | blob | history | |
graph_list.c | patch | blob | history |
diff --git a/action_graph.c b/action_graph.c
index 585a49a6758e9415aa6a8a5ee77ac1470cd1fef6..b5b3163df7433d073a040e30feb61298e77e5891 100644 (file)
--- a/action_graph.c
+++ b/action_graph.c
};
typedef struct graph_def_s graph_def_t;
-static void graph_def_free (graph_def_t *gd) /* {{{ */
-{
- size_t i;
-
- if (gd == NULL)
- return;
-
- for (i = 0; i < gd->data_sources_num; i++)
- {
- free (gd->data_sources[i].file);
- free (gd->data_sources[i].name);
- free (gd->data_sources[i].legend);
- }
- free (gd->data_sources);
- free (gd);
-} /* }}} void graph_def_free */
-
-static int hsv_to_rgb (double *hsv, double *rgb) /* {{{ */
-{
- double c = hsv[2] * hsv[1];
- double h = hsv[0] / 60.0;
- double x = c * (1.0 - fabs (fmod (h, 2.0) - 1));
- double m = hsv[2] - c;
-
- rgb[0] = 0.0;
- rgb[1] = 0.0;
- rgb[2] = 0.0;
-
- if ((0.0 <= h) && (h < 1.0)) { rgb[0] = 1.0; rgb[1] = x; rgb[2] = 0.0; }
- else if ((1.0 <= h) && (h < 2.0)) { rgb[0] = x; rgb[1] = 1.0; rgb[2] = 0.0; }
- else if ((2.0 <= h) && (h < 3.0)) { rgb[0] = 0.0; rgb[1] = 1.0; rgb[2] = x; }
- else if ((3.0 <= h) && (h < 4.0)) { rgb[0] = 0.0; rgb[1] = x; rgb[2] = 1.0; }
- else if ((4.0 <= h) && (h < 5.0)) { rgb[0] = x; rgb[1] = 0.0; rgb[2] = 1.0; }
- else if ((5.0 <= h) && (h < 6.0)) { rgb[0] = 1.0; rgb[1] = 0.0; rgb[2] = x; }
-
- rgb[0] += m;
- rgb[1] += m;
- rgb[2] += m;
-
- return (0);
-} /* }}} int hsv_to_rgb */
-
-static uint32_t rgb_to_uint32 (double *rgb) /* {{{ */
-{
- uint8_t r;
- uint8_t g;
- uint8_t b;
-
- r = (uint8_t) (255.0 * rgb[0]);
- g = (uint8_t) (255.0 * rgb[1]);
- b = (uint8_t) (255.0 * rgb[2]);
-
- return ((((uint32_t) r) << 16)
- | (((uint32_t) g) << 8)
- | ((uint32_t) b));
-} /* }}} uint32_t rgb_to_uint32 */
-
-static uint32_t get_random_color (void) /* {{{ */
-{
- double hsv[3] = { 0.0, 1.0, 1.0 };
- double rgb[3] = { 0.0, 0.0, 0.0 };
-
- hsv[0] = 360.0 * ((double) rand ()) / (((double) RAND_MAX) + 1.0);
-
- hsv_to_rgb (hsv, rgb);
-
- return (rgb_to_uint32 (rgb));
-} /* }}} uint32_t get_random_color */
-
-static int graph_def_add_ds (graph_def_t *gd, /* {{{ */
- const char *file, const char *ds_name)
-{
- data_source_t *ds;
-
- ds = realloc (gd->data_sources, sizeof (*ds) * (gd->data_sources_num + 1));
- if (ds == NULL)
- return (ENOMEM);
- gd->data_sources = ds;
-
- ds = gd->data_sources + gd->data_sources_num;
- memset (ds, 0, sizeof (*ds));
-
- ds->file = strdup (file);
- if (ds->file == NULL)
- return (ENOMEM);
-
- ds->name = strdup (ds_name);
- if (ds->name == NULL)
- {
- free (ds->file);
- return (ENOMEM);
- }
-
- ds->legend = NULL;
- ds->color = get_random_color ();
-
- gd->data_sources_num++;
-
- return (0);
-} /* }}} int graph_def_add_ds */
-
-static graph_def_t *graph_def_from_rrd_file (char *file) /* {{{ */
-{
- graph_def_t *gd;
- char **dses = NULL;
- size_t dses_num = 0;
- int status;
- size_t i;
-
- gd = malloc (sizeof (*gd));
- if (gd == NULL)
- return (NULL);
- memset (gd, 0, sizeof (*gd));
- gd->data_sources = NULL;
-
- status = ds_list_from_rrd_file (file, &dses_num, &dses);
- if (status != 0)
- {
- free (gd);
- return (NULL);
- }
-
- for (i = 0; i < dses_num; i++)
- {
- graph_def_add_ds (gd, file, dses[i]);
- free (dses[i]);
- }
-
- free (dses);
-
- return (gd);
-} /* }}} graph_def_t *graph_def_from_rrd_file */
-
-static graph_def_t *graph_def_from_gl (const graph_list_t *gl) /* {{{ */
-{
- char rrd_file[PATH_MAX];
-
- if ((gl->plugin_instance == NULL) && (gl->type_instance == NULL))
- snprintf (rrd_file, sizeof (rrd_file), "%s/%s/%s/%s.rrd",
- DATA_DIR, gl->host, gl->plugin, gl->type);
- else if (gl->type_instance == NULL)
- snprintf (rrd_file, sizeof (rrd_file), "%s/%s/%s-%s/%s.rrd",
- DATA_DIR, gl->host, gl->plugin, gl->plugin_instance, gl->type);
- else if (gl->plugin_instance == NULL)
- snprintf (rrd_file, sizeof (rrd_file), "%s/%s/%s/%s-%s.rrd",
- DATA_DIR, gl->host, gl->plugin, gl->type, gl->type_instance);
- else
- snprintf (rrd_file, sizeof (rrd_file), "%s/%s/%s-%s/%s-%s.rrd",
- DATA_DIR, gl->host, gl->plugin, gl->plugin_instance,
- gl->type, gl->type_instance);
- rrd_file[sizeof (rrd_file) - 1] = 0;
-
- return (graph_def_from_rrd_file (rrd_file));
-} /* }}} graph_def_t *graph_def_from_gl */
-
-static int draw_graph_ds (graph_def_t *gd, /* {{{ */
- size_t index, str_array_t *args)
-{
- data_source_t *ds;
-
- assert (index < gd->data_sources_num);
-
- ds = gd->data_sources + index;
-
- /* CDEFs */
- array_append_format (args, "DEF:def_%04zu_min=%s:%s:MIN",
- index, ds->file, ds->name);
- array_append_format (args, "DEF:def_%04zu_avg=%s:%s:AVERAGE",
- index, ds->file, ds->name);
- array_append_format (args, "DEF:def_%04zu_max=%s:%s:MAX",
- index, ds->file, ds->name);
- /* VDEFs */
- array_append_format (args, "VDEF:vdef_%04zu_min=def_%04zu_min,MINIMUM",
- index, index);
- array_append_format (args, "VDEF:vdef_%04zu_avg=def_%04zu_avg,AVERAGE",
- index, index);
- array_append_format (args, "VDEF:vdef_%04zu_max=def_%04zu_max,MAXIMUM",
- index, index);
- array_append_format (args, "VDEF:vdef_%04zu_lst=def_%04zu_avg,LAST",
- index, index);
-
- /* Graph part */
- array_append_format (args, "LINE1:def_%04zu_avg#%06x:%s", index, ds->color,
- (ds->legend != NULL) ? ds->legend : ds->name);
- array_append_format (args, "GPRINT:vdef_%04zu_min:%%lg min,", index);
- array_append_format (args, "GPRINT:vdef_%04zu_avg:%%lg avg,", index);
- array_append_format (args, "GPRINT:vdef_%04zu_max:%%lg max,", index);
- array_append_format (args, "GPRINT:vdef_%04zu_lst:%%lg last\\l", index);
-
- return (0);
-} /* }}} int draw_graph_ds */
-
static void emulate_graph (int argc, char **argv) /* {{{ */
{
int i;
return (0); \
} while (0)
-static int init_gl (graph_list_t *gl) /* {{{ */
-{
- gl->host = param ("host");
- gl->plugin = param ("plugin");
- gl->plugin_instance = param ("plugin_instance");
- gl->type = param ("type");
- gl->type_instance = param ("type_instance");
-
- if ((gl->host == NULL)
- || (gl->plugin == NULL)
- || (gl->type == NULL))
- return (EINVAL);
-
- if ((gl->host[0] == 0) || (gl->host[0] == '.')
- || (gl->plugin[0] == 0) || (gl->plugin[0] == '.')
- || (gl->type[0] == 0) || (gl->type[0] == '.'))
- return (EINVAL);
-
- if ((strchr (gl->plugin, '-') != NULL)
- || (strchr (gl->type, '-') != NULL))
- return (EINVAL);
-
- if ((gl->plugin_instance != NULL)
- && (gl->plugin_instance[0] == 0))
- gl->plugin_instance = NULL;
-
- if ((gl->type_instance != NULL)
- && (gl->type_instance[0] == 0))
- gl->type_instance = NULL;
-
- return (0);
-} /* }}} int init_gl */
-
int action_graph (void) /* {{{ */
{
str_array_t *args;
diff --git a/common.c b/common.c
index 5d2a67deaef7276cb0e86c6c4da8ce9b51dec13f..dab0b70f52c7038dc1abc82cef872d3546e3e375 100644 (file)
--- a/common.c
+++ b/common.c
#include <stdlib.h>
#include <stdio.h>
+#include <stdint.h>
+#include <inttypes.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
#include <unistd.h>
#include <dirent.h>
#include <assert.h>
+#include <math.h>
#include <rrd.h>
return (0);
} /* }}} int ds_list_from_rrd_file */
+static int hsv_to_rgb (double *hsv, double *rgb) /* {{{ */
+{
+ double c = hsv[2] * hsv[1];
+ double h = hsv[0] / 60.0;
+ double x = c * (1.0 - fabs (fmod (h, 2.0) - 1));
+ double m = hsv[2] - c;
+
+ rgb[0] = 0.0;
+ rgb[1] = 0.0;
+ rgb[2] = 0.0;
+
+ if ((0.0 <= h) && (h < 1.0)) { rgb[0] = 1.0; rgb[1] = x; rgb[2] = 0.0; }
+ else if ((1.0 <= h) && (h < 2.0)) { rgb[0] = x; rgb[1] = 1.0; rgb[2] = 0.0; }
+ else if ((2.0 <= h) && (h < 3.0)) { rgb[0] = 0.0; rgb[1] = 1.0; rgb[2] = x; }
+ else if ((3.0 <= h) && (h < 4.0)) { rgb[0] = 0.0; rgb[1] = x; rgb[2] = 1.0; }
+ else if ((4.0 <= h) && (h < 5.0)) { rgb[0] = x; rgb[1] = 0.0; rgb[2] = 1.0; }
+ else if ((5.0 <= h) && (h < 6.0)) { rgb[0] = 1.0; rgb[1] = 0.0; rgb[2] = x; }
+
+ rgb[0] += m;
+ rgb[1] += m;
+ rgb[2] += m;
+
+ return (0);
+} /* }}} int hsv_to_rgb */
+
+static uint32_t rgb_to_uint32 (double *rgb) /* {{{ */
+{
+ uint8_t r;
+ uint8_t g;
+ uint8_t b;
+
+ r = (uint8_t) (255.0 * rgb[0]);
+ g = (uint8_t) (255.0 * rgb[1]);
+ b = (uint8_t) (255.0 * rgb[2]);
+
+ return ((((uint32_t) r) << 16)
+ | (((uint32_t) g) << 8)
+ | ((uint32_t) b));
+} /* }}} uint32_t rgb_to_uint32 */
+
+uint32_t get_random_color (void) /* {{{ */
+{
+ double hsv[3] = { 0.0, 1.0, 1.0 };
+ double rgb[3] = { 0.0, 0.0, 0.0 };
+
+ hsv[0] = 360.0 * ((double) rand ()) / (((double) RAND_MAX) + 1.0);
+
+ hsv_to_rgb (hsv, rgb);
+
+ return (rgb_to_uint32 (rgb));
+} /* }}} uint32_t get_random_color */
+
/* vim: set sw=2 sts=2 et fdm=marker : */
diff --git a/common.h b/common.h
index 8aa1a53bec98618410f934226166859615394d3b..d61b0a237a02cccb2e267b6399304a574dc2f8fe 100644 (file)
--- a/common.h
+++ b/common.h
#ifndef COMMON_H
#define COMMON_H 1
+#include <stdint.h>
+#include <inttypes.h>
+
#define DATA_DIR "/var/lib/collectd/rrd"
#include "graph_list.h"
int ds_list_from_rrd_file (char *file,
size_t *ret_dses_num, char ***ret_dses);
+uint32_t get_random_color (void);
+
#endif /* COMMON_H */
/* vim: set sw=2 sts=2 et fdm=marker : */
diff --git a/graph_list.c b/graph_list.c
index a07ed5c8d1591a4bb203bf0f815f5580c981ed5f..3b634f5848488f4322be617cae2063a7491d2839 100644 (file)
--- a/graph_list.c
+++ b/graph_list.c
#include <stdlib.h>
#include <stdio.h>
+#include <stdint.h>
+#include <inttypes.h>
#include <string.h>
#include <time.h>
#include <errno.h>
for (i = 0; i < dses_num; i++)
{
- int id;
+ int index;
GL_DEBUG ("gl_ident_get_rrdargs: ds[%lu] = %s;\n", (unsigned long) i, dses[i]);
- id = array_argc (args);
- array_append_format (args, "DEF:avg%i=%s:%s:AVERAGE", id, file, dses[i]);
- array_append_format (args, "LINE1:avg%i#ff0000:%s\\l", id, file);
+ index = array_argc (args);
+
+ /* CDEFs */
+ array_append_format (args, "DEF:def_%04i_min=%s:%s:MIN",
+ index, file, dses[i]);
+ array_append_format (args, "DEF:def_%04i_avg=%s:%s:AVERAGE",
+ index, file, dses[i]);
+ array_append_format (args, "DEF:def_%04i_max=%s:%s:MAX",
+ index, file, dses[i]);
+ /* VDEFs */
+ array_append_format (args, "VDEF:vdef_%04i_min=def_%04i_min,MINIMUM",
+ index, index);
+ array_append_format (args, "VDEF:vdef_%04i_avg=def_%04i_avg,AVERAGE",
+ index, index);
+ array_append_format (args, "VDEF:vdef_%04i_max=def_%04i_max,MAXIMUM",
+ index, index);
+ array_append_format (args, "VDEF:vdef_%04i_lst=def_%04i_avg,LAST",
+ index, index);
+
+ /* Graph part */
+ array_append_format (args, "LINE1:def_%04i_avg#%06"PRIx32":%s",
+ index, get_random_color (), dses[i]);
+ array_append_format (args, "GPRINT:vdef_%04i_min:%%lg min,", index);
+ array_append_format (args, "GPRINT:vdef_%04i_avg:%%lg avg,", index);
+ array_append_format (args, "GPRINT:vdef_%04i_max:%%lg max,", index);
+ array_append_format (args, "GPRINT:vdef_%04i_lst:%%lg last\\l", index);
free (dses[i]);
}