/****************************************************************************
- * RRDtool 1.3.1 Copyright by Tobi Oetiker, 1997-2008
+ * RRDtool 1.3.2 Copyright by Tobi Oetiker, 1997-2008
****************************************************************************
* rrd__graph.c produce graphs from data in rrdfiles
****************************************************************************/
#endif
#include "rrd_graph.h"
+#include "rrd_client.h"
/* some constant definitions */
, /* unit */
{8.0, RRD_DEFAULT_FONT,NULL} /* legend */
,
- {5.5, RRD_DEFAULT_FONT,NULL} /* watermark */
+ {5.5, RRD_DEFAULT_FONT,NULL} /* watermark */
};
xlab_t xlab[] = {
if (im == NULL)
return 0;
+
+ if (im->daemon_addr != NULL)
+ free(im->daemon_addr);
+
for (i = 0; i < (unsigned) im->gdes_c; i++) {
if (im->gdes[i].data_first) {
/* careful here, because a single pointer can occur several times */
if (!skip) {
unsigned long ft_step = im->gdes[i].step; /* ft_step will record what we got from fetch */
+ /* Flush the file if
+ * - a connection to the daemon has been established
+ * - this is the first occurrence of that RRD file
+ */
+ if (rrdc_is_connected(im->daemon_addr))
+ {
+ int status;
+
+ status = 0;
+ for (ii = 0; ii < i; ii++)
+ {
+ if (strcmp (im->gdes[i].rrd, im->gdes[ii].rrd) == 0)
+ {
+ status = 1;
+ break;
+ }
+ }
+
+ if (status == 0)
+ {
+ status = rrdc_flush (im->gdes[i].rrd);
+ if (status != 0)
+ {
+ rrd_set_error ("rrdc_flush (%s) failed with status %i.",
+ im->gdes[i].rrd, status);
+ return (-1);
+ }
+ }
+ } /* if (rrdc_is_connected()) */
+
if ((rrd_fetch_fn(im->gdes[i].rrd,
im->gdes[i].cf,
&im->gdes[i].start,
return -1;
}
-/* find the largest common denominator for all the numbers
+/* find the greatest common divisor for all the numbers
in the 0 terminated num array */
long lcd(
long *num)
static void
rrd_set_font_desc (
image_desc_t *im,int prop,char *font, double size ){
- static text_prop_t tp_cache[] = { {-1,"",NULL}, {-1,"",NULL}, {-1,"",NULL}, {-1,"",NULL}, {-1,"",NULL}, {-1,"",NULL}};
-
- if (tp_cache[prop].font_desc == NULL){
- tp_cache[prop].font_desc = pango_font_description_new();
- im->text_prop[prop].font_desc = pango_font_description_copy (tp_cache[prop].font_desc);
- }
-
- if (font != NULL && strcmp(tp_cache[prop].font,font) != 0){
- pango_font_description_free(tp_cache[prop].font_desc);
- pango_font_description_free(im->text_prop[prop].font_desc);
- tp_cache[prop].font_desc = pango_font_description_from_string( font );
- im->text_prop[prop].font_desc = pango_font_description_copy( tp_cache[prop].font_desc );
- strncpy(tp_cache[prop].font, font, sizeof(text_prop[prop].font) - 1);
- tp_cache[prop].font[sizeof(text_prop[prop].font) - 1] = '\0';
- strcpy(im->text_prop[prop].font,tp_cache[prop].font);
- }
- if (size != 0 && size != (tp_cache[prop].size)){
- pango_font_description_set_size(tp_cache[prop].font_desc, size * PANGO_SCALE);
- pango_font_description_set_size(im->text_prop[prop].font_desc, size * PANGO_SCALE);
+ if (font){
+ strncpy(im->text_prop[prop].font, font, sizeof(text_prop[prop].font) - 1);
+ im->text_prop[prop].font[sizeof(text_prop[prop].font) - 1] = '\0';
+ im->text_prop[prop].font_desc = pango_font_description_from_string( font );
+ };
+ if (size > 0){
im->text_prop[prop].size = size;
- tp_cache[prop].size = size;
- }
+ };
+ if (im->text_prop[prop].font_desc && im->text_prop[prop].size ){
+ pango_font_description_set_size(im->text_prop[prop].font_desc, im->text_prop[prop].size * PANGO_SCALE);
+ };
}
void rrd_graph_init(
{
unsigned int i;
char *deffont = getenv("RRD_DEFAULT_FONT");
+ static PangoFontMap *fontmap = NULL;
+ PangoContext *context;
#ifdef HAVE_TZSET
tzset();
#endif
#endif
im->base = 1000;
+ im->daemon_addr = NULL;
im->draw_x_grid = 1;
im->draw_y_grid = 1;
im->extra_flags = 0;
im->cr = cairo_create(im->surface);
for (i = 0; i < DIM(text_prop); i++) {
- rrd_set_font_desc(im,i, deffont ? deffont : text_prop[i].font,text_prop[i].size);
+ im->text_prop[i].size = -1;
+ rrd_set_font_desc(im,i, deffont ? deffont : text_prop[i].font,text_prop[i].size);
+ }
+
+ if (fontmap == NULL){
+ fontmap = pango_cairo_font_map_get_default();
}
- im->layout = pango_cairo_create_layout(im->cr);
- pango_cairo_context_set_resolution(pango_layout_get_context(im->layout), 100);
+ context = pango_cairo_font_map_create_context((PangoCairoFontMap*)fontmap);
+
+ pango_cairo_context_set_resolution(context, 100);
+
+ pango_cairo_update_context(im->cr,context);
+
+ im->layout = pango_layout_new(context);
+
+// im->layout = pango_cairo_create_layout(im->cr);
+
cairo_font_options_set_hint_style
(im->font_options, CAIRO_HINT_STYLE_FULL);
{ "watermark", required_argument, 0, 'W'},
{ "alt-y-mrtg", no_argument, 0, 1000}, /* this has no effect it is just here to save old apps from crashing when they use it */
{ "pango-markup", no_argument, 0, 'P'},
+ { "daemon", required_argument, 0, 'd'},
{ 0, 0, 0, 0}
};
/* *INDENT-ON* */
int col_start, col_end;
opt = getopt_long(argc, argv,
- "s:e:x:y:v:w:h:D:iu:l:rb:oc:n:m:t:f:a:I:zgjFYAMEX:L:S:T:NR:B:W:kP",
+ "s:e:x:y:v:w:h:D:iu:l:rb:oc:n:m:t:f:a:I:zgjFYAMEX:L:S:T:NR:B:W:kPd:",
long_options, &option_index);
if (opt == EOF)
break;
strncpy(im->watermark, optarg, 100);
im->watermark[99] = '\0';
break;
+ case 'd':
+ {
+ if (im->daemon_addr != NULL)
+ {
+ rrd_set_error ("You cannot specify --daemon "
+ "more than once.");
+ return;
+ }
+
+ im->daemon_addr = strdup(optarg);
+ if (im->daemon_addr == NULL)
+ {
+ rrd_set_error("strdup failed");
+ return;
+ }
+
+ break;
+ }
case '?':
if (optopt != 0)
rrd_set_error("unknown option '%c'", optopt);
rrd_set_error("unknown option '%s'", argv[optind - 1]);
return;
}
+ } /* while (1) */
+
+ { /* try to connect to rrdcached */
+ int status = rrdc_connect(im->daemon_addr);
+ if (status != 0) return;
}
pango_cairo_context_set_font_options(pango_layout_get_context(im->layout), im->font_options);
graph_desc_t *src, *dst;
rrd_value_t *data;
long step, steps;
- unsigned long end;
dst = &im->gdes[gdi];
src = &im->gdes[dst->vidx];
data = src->data + src->ds;
- end =
- src->end_orig % (long) src->step ==
- 0 ? src->end_orig : (src->end_orig + (long) src->step -
- src->end_orig % (long) src->step);
- steps = (end - src->start) / src->step;
+ steps = (src->end - src->start) / src->step;
#if 0
printf
("DEBUG: start == %lu, end == %lu, %lu steps\n",
- src->start, src->end_orig, steps);
+ src->start, src->end, steps);
#endif
switch (dst->vf.op) {
case VDEF_PERCENT:{