+/****************************************************************************
+ * RRDtool 1.2.6 Copyright by Tobi Oetiker, 1997-2005
+ ****************************************************************************
+ * rrd_graph_helper.c commandline parser functions
+ * this code initially written by Alex van den Bogaerdt
+ ****************************************************************************/
+
#include "rrd_graph.h"
#define dprintf if (gdp->debug) printf
+/* Define prototypes for the parsing methods.
+ Inputs:
+ char *line - pointer to base of input source
+ unsigned int eaten - index to next input character (INPUT/OUTPUT)
+ graph_desc_t *gdp - pointer to a graph description
+ image_desc_t *im - pointer to an image description
+*/
+
+int rrd_parse_find_gf (char *, unsigned int *, graph_desc_t *);
+int rrd_parse_legend (char *, unsigned int *, graph_desc_t *);
+int rrd_parse_color (char *, graph_desc_t *);
+int rrd_parse_CF (char *, unsigned int *, graph_desc_t *, enum cf_en *);
+int rrd_parse_print (char *, unsigned int *, graph_desc_t *, image_desc_t *);
+int rrd_parse_shift (char *, unsigned int *, graph_desc_t *, image_desc_t *);
+int rrd_parse_xport (char *, unsigned int *, graph_desc_t *, image_desc_t *);
+int rrd_parse_PVHLAST (char *, unsigned int *, graph_desc_t *, image_desc_t *);
+int rrd_parse_vname (char *, unsigned int *, graph_desc_t *, image_desc_t *);
+int rrd_parse_def (char *, unsigned int *, graph_desc_t *, image_desc_t *);
+int rrd_parse_vdef (char *, unsigned int *, graph_desc_t *, image_desc_t *);
+int rrd_parse_cdef (char *, unsigned int *, graph_desc_t *, image_desc_t *);
+
+
+
int
rrd_parse_find_gf(char *line, unsigned int *eaten, graph_desc_t *gdp) {
- char funcname[11],c1=0,c2=0;
+ char funcname[11],c1=0;
int i=0;
+ /* start an argument with DEBUG to be able to see how it is parsed */
sscanf(&line[*eaten], "DEBUG%n", &i);
if (i) {
gdp->debug=1;
i=0;
dprintf("Scanning line '%s'\n",&line[*eaten]);
}
- sscanf(&line[*eaten], "%10[A-Z]%n%c%c", funcname, &i, &c1, &c2);
+ sscanf(&line[*eaten], "%10[A-Z]%n%c", funcname, &i, &c1);
if (!i) {
rrd_set_error("Could not make sense out of '%s'",line);
return 1;
if ((int)(gdp->gf=gf_conv(funcname)) == -1) {
rrd_set_error("'%s' is not a valid function name", funcname);
return 1;
+ } else {
+ dprintf("- found function name '%s'\n",funcname);
}
+
if (gdp->gf == GF_LINE) {
- if (c1 < '1' || c1 > '3' || c2 != ':') {
- rrd_set_error("Malformed LINE command: %s",line);
- return 1;
+ if (c1 == ':') {
+ gdp->linewidth=1;
+ dprintf("- - using default width of 1\n");
+ } else {
+ double width;
+ (*eaten)+=i;
+ if (sscanf(&line[*eaten],"%lf%n:",&width,&i)) {
+ if (width < 0 || isnan(width) || isinf(width) ) {
+ rrd_set_error("LINE width is %lf. It must be finite and >= 0 though",width);
+ return 1;
+ }
+ gdp->linewidth=width;
+ dprintf("- - using width %f\n",width);
+ } else {
+ rrd_set_error("LINE width: %s",line);
+ return 1;
+ }
}
- gdp->linewidth=c1-'0';
- i++;
} else {
if (c1 != ':') {
rrd_set_error("Malformed %s command: %s",funcname,line);
return 1;
}
}
- *eaten+=++i;
+ (*eaten)+=++i;
return 0;
}
rrd_parse_legend(char *line, unsigned int *eaten, graph_desc_t *gdp) {
int i;
- dprintf("- examining '%s'\n",&line[*eaten]);
+ if (line[*eaten]=='\0' || line[*eaten]==':') {
+ dprintf("- no (or: empty) legend found\n");
+ return 0;
+ }
i=scan_for_col(&line[*eaten],FMT_LEG_LEN,gdp->legend);
- *eaten += i;
+ (*eaten)+=i;
+
if (line[*eaten]!='\0' && line[*eaten]!=':') {
rrd_set_error("Legend too long");
return 1;
} else {
- dprintf("- found legend '%s'\n", gdp->legend);
return 0;
}
}
int
rrd_parse_color(char *string, graph_desc_t *gdp) {
- unsigned int r=0,g=0,b=0,a=0;
- int i1=0,i2=0,i3=0;
+ unsigned int r=0,g=0,b=0,a=0,i;
- if (string[0] != '#') return 1;
- sscanf(string, "#%02x%02x%02x%n%02x%n%*s%n",
- &r,&g,&b,&i1,&a,&i2,&i3);
+ /* matches the following formats:
+ ** RGB
+ ** RGBA
+ ** RRGGBB
+ ** RRGGBBAA
+ */
- if (i3) return 1; /* garbage after color */
- if (!i2) a=0xFF;
- if (!i1) return 1; /* no color after '#' */
+ i=0;
+ while (string[i] && isxdigit(string[i])) i++;
+ if (string[i] != '\0') return 1; /* garbage follows hexdigits */
+ switch (i) {
+ case 3:
+ case 4:
+ sscanf(string, "%1x%1x%1x%1x",&r,&g,&b,&a);
+ r *= 0x11;
+ g *= 0x11;
+ b *= 0x11;
+ a *= 0x11;
+ if (i==3) a=0xFF;
+ break;
+ case 6:
+ case 8:
+ sscanf(string, "%02x%02x%02x%02x",&r,&g,&b,&a);
+ if (i==6) a=0xFF;
+ break;
+ default:
+ return 1; /* wrong number of digits */
+ }
gdp->col = r<<24|g<<16|b<<8|a;
return 0;
}
int
-rrd_parse_CF(char *line, unsigned int *eaten, graph_desc_t *gdp) {
+rrd_parse_CF(char *line, unsigned int *eaten, graph_desc_t *gdp, enum cf_en *cf) {
char symname[CF_NAM_SIZE];
int i=0;
sscanf(&line[*eaten], CF_NAM_FMT "%n", symname,&i);
- if ((!i)||((line[*eaten+i]!='\0')&&(line[*eaten+i]!=':'))) {
+ if ((!i)||((line[(*eaten)+i]!='\0')&&(line[(*eaten)+i]!=':'))) {
rrd_set_error("Cannot parse CF in '%s'",line);
return 1;
}
(*eaten)+=i;
dprintf("- using CF '%s'\n",symname);
- if ((int)(gdp->cf = cf_conv(symname))==-1) {
+ if ((int)(*cf = cf_conv(symname))==-1) {
rrd_set_error("Unknown CF '%s' in '%s'",symname,line);
return 1;
}
case GF_DEF:
case GF_CDEF:
dprintf("- vname is of type DEF or CDEF, looking for CF\n");
- if (rrd_parse_CF(line,eaten,gdp)) return 1;
+ if (rrd_parse_CF(line,eaten,gdp,&gdp->cf)) return 1;
break;
case GF_VDEF:
dprintf("- vname is of type VDEF\n");
}
if (rrd_parse_legend(line,eaten,gdp)) return 1;
-
- /* Why is there a separate structure member "format" ??? */
+ /* for *PRINT the legend itself gets rendered later. We only
+ get the format at this juncture */
strcpy(gdp->format,gdp->legend);
-
+ gdp->legend[0]='\0';
return 0;
}
+int
+rrd_parse_shift(char *line, unsigned int *eaten, graph_desc_t *gdp, image_desc_t *im) {
+ char *l = strdup(line + *eaten), *p;
+ int rc = 1;
+
+ p = strchr(l, ':');
+ if (p == NULL) {
+ rrd_set_error("Invalid SHIFT syntax");
+ goto out;
+ }
+ *p++ = '\0';
+
+ if ((gdp->vidx=find_var(im,l))<0) {
+ rrd_set_error("Not a valid vname: %s in line %s",l,line);
+ goto out;
+ }
+
+ /* constant will parse; otherwise, must be VDEF reference */
+ if (sscanf(p, "%ld", &gdp->shval) != 1) {
+ graph_desc_t *vdp;
+
+ if ((gdp->shidx=find_var(im, p))<0) {
+ rrd_set_error("invalid offset vname: %s", p);
+ goto out;
+ }
+
+ vdp = &im->gdes[gdp->shidx];
+ if (vdp->gf != GF_VDEF) {
+ rrd_set_error("offset must specify value or VDEF");
+ goto out;
+ }
+ } else {
+ gdp->shidx = -1;
+ }
+
+ *eaten = strlen(line);
+ rc = 0;
+
+ out:
+ free(l);
+ return rc;
+}
+
+int
+rrd_parse_xport(char *line, unsigned int *eaten, graph_desc_t *gdp, image_desc_t *im) {
+ char *l = strdup(line + *eaten), *p;
+ int rc = 1;
+
+ p = strchr(l, ':');
+ if (p != NULL)
+ *p++ = '\0';
+ else
+ p = "";
+
+ if ((gdp->vidx=find_var(im, l))==-1){
+ rrd_set_error("unknown variable '%s'",l);
+ goto out;
+ }
+
+ if (strlen(p) >= FMT_LEG_LEN)
+ *(p + FMT_LEG_LEN) = '\0';
+
+ strcpy(gdp->legend, p);
+ *eaten = strlen(line);
+ rc = 0;
+
+ out:
+ free(l);
+ return rc;
+}
+
/* Parsing of PART, VRULE, HRULE, LINE, AREA, STACK and TICK
-** is done in one function. Stacking STACK is silently ignored
-** as it is redundant. Stacking PART, VRULE, HRULE or TICK is
-** not allowed. The check for color doesn't need to be so strict
-** anymore, the user can specify the color '#00000000' and
-** effectively circumvent this check, so why bother.
+** is done in one function.
+**
+** Stacking PART, VRULE, HRULE or TICK is not allowed.
**
** If a number (which is valid to enter) is more than a
** certain amount of characters, it is caught as an error.
*/
int
rrd_parse_PVHLAST(char *line, unsigned int *eaten, graph_desc_t *gdp, image_desc_t *im) {
- int i,j;
+ int i,j,k;
int colorfound=0;
char tmpstr[MAX_VNAME_LEN + 10]; /* vname#RRGGBBAA\0 */
+ static int spacecnt = 0;
+
+ if (spacecnt == 0) {
+ float one_space = gfx_get_text_width(im->canvas, 0,
+ im->text_prop[TEXT_PROP_LEGEND].font,
+ im->text_prop[TEXT_PROP_LEGEND].size,
+ im->tabwidth," ", 0) / 4.0;
+ float target_space = gfx_get_text_width(im->canvas, 0,
+ im->text_prop[TEXT_PROP_LEGEND].font,
+ im->text_prop[TEXT_PROP_LEGEND].size,
+ im->tabwidth,"oo", 0);
+ spacecnt = target_space / one_space;
+ dprintf("- spacecnt: %i onespace: %f targspace: %f\n",spacecnt,one_space,target_space);
+ }
+
dprintf("- parsing '%s'\n",&line[*eaten]);
- dprintf("- from line '%s'\n",line);
+
+ /* have simpler code in the drawing section */
+ if ( gdp->gf == GF_STACK ){
+ gdp->stack=1;
+ }
i=scan_for_col(&line[*eaten],MAX_VNAME_LEN+9,tmpstr);
if (line[*eaten+i]!='\0' && line[*eaten+i]!=':') {
j=i; while (j>0 && tmpstr[j]!='#') j--;
- if (tmpstr[j]=='#') {
- if (rrd_parse_color(&tmpstr[j],gdp)) {
- rrd_set_error("Could not parse color in '%s'",tmpstr[j]);
- return 1;
- }
+ if (j) {
tmpstr[j]='\0';
- dprintf("- parsed color 0x%08x\n",(unsigned int)gdp->col);
- colorfound=1;
}
- dprintf("- examining '%s'\n",tmpstr);
- j=0;
+ dprintf("- examining value '%s'\n",tmpstr);
+ k=0;
if (gdp->gf == GF_VRULE) {
- sscanf(tmpstr,"%li%n",&gdp->xrule,&j);
- if (j) dprintf("- found time: %li\n",gdp->xrule);
+ sscanf(tmpstr,"%li%n",&gdp->xrule,&k);
+ if (k) dprintf("- found time: %li\n",gdp->xrule);
} else {
- sscanf(tmpstr,"%lf%n",&gdp->yrule,&j);
- if (j) dprintf("- found number: %f\n",gdp->yrule);
+ sscanf(tmpstr,"%lf%n",&gdp->yrule,&k);
+ if (k) dprintf("- found number: %f\n",gdp->yrule);
}
- if (!j) {
+ if (!k) {
if ((gdp->vidx=find_var(im,tmpstr))<0) {
rrd_set_error("Not a valid vname: %s in line %s",tmpstr,line);
return 1;
}
dprintf("- found vname: '%s' vidx %li\n",tmpstr,gdp->vidx);
}
- /* "*eaten" is still pointing to the original location,
- ** "*eaten +i" is pointing to the character after the color
- ** or to the terminating '\0' in which case we're finished.
- */
- if (line[*eaten+i]=='\0') {
- *eaten+=i;
- return 0;
+
+ if (j) {
+ j++;
+ dprintf("- examining color '%s'\n",&tmpstr[j]);
+ if (rrd_parse_color(&tmpstr[j],gdp)) {
+ rrd_set_error("Could not parse color in '%s'",&tmpstr[j]);
+ return 1;
+ }
+ dprintf("- parsed color 0x%08x\n",(unsigned int)gdp->col);
+ colorfound=1;
+ } else {
+ dprintf("- no color present in '%s'\n",tmpstr);
}
- *eaten+=++i;
- /* If a color is specified and the only remaining part is
- ** ":STACK" then it is assumed to be the legend. An empty
- ** legend can be specified as expected. This means the
- ** following can be done: LINE1:x#FF0000FF::STACK
- */
- if (colorfound) { /* no legend if no color */
- if (gdp->gf == GF_TICK) {
- dprintf("- looking for optional number\n");
- sscanf(&line[*eaten],"%lf:%n",&gdp->yrule,&j);
- if (j) {
- dprintf("- found number %f\n",gdp->yrule);
- (*eaten)+=j;
- if (gdp->yrule > 1.0 || gdp->yrule < -1.0) {
- rrd_set_error("Tick factor should be <= 1.0");
- return 1;
- }
- } else {
- dprintf("- not found, defaulting to 0.1\n");
- gdp->yrule=0.1;
- return 0;
+ (*eaten) += i; /* after vname#color */
+ if (line[*eaten]!='\0') {
+ (*eaten)++; /* after colon */
+ }
+
+ if (gdp->gf == GF_TICK) {
+ dprintf("- parsing '%s'\n",&line[*eaten]);
+ dprintf("- looking for optional TICK number\n");
+ j=0;
+ sscanf(&line[*eaten],"%lf%n",&gdp->yrule,&j);
+ if (j) {
+ if (line[*eaten+j]!='\0' && line[*eaten+j]!=':') {
+ rrd_set_error("Cannot parse TICK fraction '%s'",line);
+ return 1;
}
+ dprintf("- found number %f\n",gdp->yrule);
+ if (gdp->yrule > 1.0 || gdp->yrule < -1.0) {
+ rrd_set_error("Tick factor should be <= 1.0");
+ return 1;
+ }
+ (*eaten)+=j;
+ } else {
+ dprintf("- not found, defaulting to 0.1\n");
+ gdp->yrule=0.1;
}
+ if (line[*eaten] == '\0') {
+ dprintf("- done parsing line\n");
+ return 0;
+ } else { if (line[*eaten] == ':') {
+ (*eaten)++;
+ } else {
+ rrd_set_error("Can't make sense of that TICK line");
+ return 1;
+ }
+ }
+ }
+
+ dprintf("- parsing '%s'\n",&line[*eaten]);
+
+ /* Legend is next. A legend without a color is an error.
+ ** Stacking an item without having a legend is OK however
+ ** then an empty legend should be specified.
+ ** LINE:val#color:STACK means legend is string "STACK"
+ ** LINE:val#color::STACK means no legend, and do STACK
+ ** LINE:val:STACK is an error (legend but no color)
+ ** LINE:val::STACK means no legend, and do STACK
+ */
+ if (colorfound) {
+ int err=0;
+ char *linecp = strdup(line);
dprintf("- looking for optional legend\n");
- dprintf("- in '%s'\n",&line[*eaten]);
- if (rrd_parse_legend(line, eaten, gdp)) return 1;
+
+ dprintf("- examining '%s'\n",&line[*eaten]);
+ if (linecp[*eaten] != '\0' && linecp[*eaten] != ':') {
+ int spi;
+ /* If the legend is not empty, it has to be prefixed with spacecnt ' ' characters. This then gets
+ * replaced by the color box later on. */
+ for (spi=0;spi<spacecnt && (*eaten) > 1;spi++){
+ linecp[--(*eaten)]=' ';
+ }
+ }
+
+ if (rrd_parse_legend(linecp, eaten, gdp)) err=1;
+ free(linecp);
+ if (err) return 1;
+
+ dprintf("- found legend '%s'\n", &gdp->legend[2]);
+ } else {
+ dprintf("- skipping empty legend\n");
+ if (line[*eaten] != '\0' && line[*eaten] != ':') {
+ rrd_set_error("Legend set but no color: %s",&line[*eaten]);
+ return 1;
+ }
}
+ if (line[*eaten]=='\0') {
+ dprintf("- done parsing line\n");
+ return 0;
+ }
+ (*eaten)++; /* after colon */
- /* PART, HRULE, VRULE and TICK cannot be stacked. We're finished */
+ /* PART, HRULE, VRULE and TICK cannot be stacked. */
if ( (gdp->gf == GF_HRULE)
|| (gdp->gf == GF_VRULE)
+#ifdef WITH_PIECHART
|| (gdp->gf == GF_PART)
+#endif
|| (gdp->gf == GF_TICK)
) return 0;
+ dprintf("- parsing '%s'\n",&line[*eaten]);
if (line[*eaten]!='\0') {
dprintf("- still more, should be STACK\n");
- (*eaten)++;
j=scan_for_col(&line[*eaten],5,tmpstr);
- if (line[*eaten+j]!='\0') {
+ if (line[*eaten+j]!='\0' && line[*eaten+j]!=':') {
+ /* not 5 chars */
rrd_set_error("Garbage found where STACK expected");
return 1;
}
if (!strcmp("STACK",tmpstr)) {
dprintf("- found STACK\n");
gdp->stack=1;
- (*eaten)+=5;
+ (*eaten)+=j;
} else {
rrd_set_error("Garbage found where STACK expected");
return 1;
}
}
+ if (line[*eaten]=='\0') {
+ dprintf("- done parsing line\n");
+ return 0;
+ }
+ (*eaten)++;
+ dprintf("- parsing '%s'\n",&line[*eaten]);
return 0;
}
int
rrd_parse_def(char *line, unsigned int *eaten, graph_desc_t *gdp, image_desc_t *im) {
int i=0;
- char command[6]; /* step, start, end */
+ char command[7]; /* step, start, end, reduce */
char tmpstr[256];
- struct time_value start_tv,end_tv;
+ struct rrd_time_value start_tv,end_tv;
time_t start_tmp=0,end_tmp=0;
char *parsetime_error=NULL;
start_tv.type = end_tv.type=ABSOLUTE_TIME;
start_tv.offset = end_tv.offset=0;
- memcpy(&start_tv.tm, localtime(&gdp->start) , sizeof(struct tm) );
- memcpy(&end_tv.tm, localtime(&gdp->end) , sizeof(struct tm) );
+ localtime_r(&gdp->start, &start_tv.tm);
+ localtime_r(&gdp->end, &end_tv.tm);
dprintf("- parsing '%s'\n",&line[*eaten]);
dprintf("- from line '%s'\n",line);
(*eaten)+=i;
dprintf("- using DS '%s'\n",gdp->ds_nam);
- if (rrd_parse_CF(line,eaten,gdp)) return 1;
-
+ if (rrd_parse_CF(line,eaten,gdp,&gdp->cf)) return 1;
+ gdp->cf_reduce = gdp->cf;
+
if (line[*eaten]=='\0') return 0;
while (1) {
dprintf("- optional parameter follows: %s\n", &line[*eaten]);
i=0;
- sscanf(&line[*eaten], "%5[a-z]=%n", command, &i);
+ sscanf(&line[*eaten], "%6[a-z]=%n", command, &i);
if (!i) {
rrd_set_error("Parse error in '%s'",line);
return 1;
}
(*eaten)+=i;
dprintf("- processing '%s'\n",command);
- if (!strcmp("step",command)) {
+ if (!strcmp("reduce",command)) {
+ if (rrd_parse_CF(line,eaten,gdp,&gdp->cf_reduce)) return 1;
+ if (line[*eaten] != '\0')
+ (*eaten)--;
+ } else if (!strcmp("step",command)) {
i=0;
sscanf(&line[*eaten],"%lu%n",&gdp->step,&i);
(*eaten)+=i;
}
void
-rrd_graph_script(int argc, char *argv[], image_desc_t *im) {
+rrd_graph_script(int argc, char *argv[], image_desc_t *im, int optno) {
int i;
- for (i=optind+
1;i<argc;i++) {
+ for (i=optind+
optno;i<argc;i++) {
graph_desc_t *gdp;
unsigned int eaten=0;
if (rrd_parse_find_gf(argv[i],&eaten,gdp)) return;
switch (gdp->gf) {
-#if 0
- /* future command */
- case GF_SHIFT: vname:value
-#endif
+ case GF_SHIFT: /* vname:value */
+ if (rrd_parse_shift(argv[i],&eaten,gdp,im)) return;
+ break;
case GF_XPORT:
+ if (rrd_parse_xport(argv[i],&eaten,gdp,im)) return;
break;
case GF_PRINT: /* vname:CF:format -or- vname:format */
case GF_GPRINT: /* vname:CF:format -or- vname:format */
case GF_COMMENT: /* text */
if (rrd_parse_legend(argv[i],&eaten,gdp)) return;
break;
+ case GF_STACK: /* vname-or-value[#color[:legend]] */
+#ifdef WITH_PIECHART
case GF_PART: /* value[#color[:legend]] */
+#endif
case GF_VRULE: /* value#color[:legend] */
case GF_HRULE: /* value#color[:legend] */
case GF_LINE: /* vname-or-value[#color[:legend]][:STACK] */
case GF_AREA: /* vname-or-value[#color[:legend]][:STACK] */
- case GF_STACK: /* vname-or-value[#color[:legend]] */
case GF_TICK: /* vname#color[:num[:legend]] */
if (rrd_parse_PVHLAST(argv[i],&eaten,gdp,im)) return;
break;
projects / rrdtool.git / blobdiff