From: alex <alex@a5681a0c-68f1-0310-ab6d-d61299d08faa>
Date: Thu, 26 Jul 2001 02:22:18 +0000 (+0000)
Subject: Added VDEF TOTAL
X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=e2254ef9cc30afbd4daeb7815ad27672cbdc9f46;p=rrdtool.git

Added VDEF TOTAL
Moved most typedefs etc. to rrd_graph.h


git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@46 a5681a0c-68f1-0310-ab6d-d61299d08faa
---

diff --git a/src/rrd_graph.c b/src/rrd_graph.c
index 313c518..dcb1545 100644
--- a/src/rrd_graph.c
+++ b/src/rrd_graph.c
@@ -4,7 +4,10 @@
  * rrd__graph.c  make creates ne rrds
  ****************************************************************************/
 
+#if 0
 #include "rrd_tool.h"
+#endif
+
 #include <gd.h>
 #include <gdlucidan10.h>
 #include <gdlucidab12.h>
@@ -13,7 +16,9 @@
 #include <io.h>
 #include <fcntl.h>
 #endif
-#include "rrd_rpncalc.h"
+
+#include "rrd_graph.h"
+#include "rrd_graph_helper.h"
 
 #define SmallFont gdLucidaNormal10
 #define LargeFont gdLucidaBold12
@@ -26,56 +31,6 @@
 # define DPRINT(x)
 #endif
 
-#define DEF_NAM_FMT "%29[_A-Za-z0-9]"
-
-enum tmt_en {TMT_SECOND=0,TMT_MINUTE,TMT_HOUR,TMT_DAY,
-	     TMT_WEEK,TMT_MONTH,TMT_YEAR};
-
-enum grc_en {GRC_CANVAS=0,GRC_BACK,GRC_SHADEA,GRC_SHADEB,
-	     GRC_GRID,GRC_MGRID,GRC_FONT,GRC_FRAME,GRC_ARROW,__GRC_END__};
-
-
-enum gf_en {GF_PRINT=0,GF_GPRINT,GF_COMMENT,GF_HRULE,GF_VRULE,GF_LINE1,
-	    GF_LINE2,GF_LINE3,GF_AREA,GF_STACK,GF_TICK,
-	    GF_DEF, GF_CDEF, GF_VDEF};
-
-enum if_en {IF_GIF=0,IF_PNG=1};
-
-enum vdef_op_en {
-		 VDEF_MAXIMUM	/* like the MAX in (G)PRINT */
-		,VDEF_MINIMUM	/* like the MIN in (G)PRINT */
-		,VDEF_AVERAGE	/* like the AVERAGE in (G)PRINT */
-		,VDEF_PERCENT	/* Nth percentile */
-		,VDEF_FIRST	/* first non-unknown value and time */
-		,VDEF_LAST	/* last  non-unknown value and time */
-		};
-typedef struct vdef_t {
-    enum vdef_op_en	op;
-    double		param;	/* parameter for function, if applicable */
-    double		val;	/* resulting value */
-    time_t		when;	/* timestamp, if applicable */
-} vdef_t;
-
-typedef struct col_trip_t {
-    int red; /* red = -1 is no color */
-    int green;
-    int blue;
-    int i; /* color index assigned in gif image i=-1 is unasigned*/
-} col_trip_t;
-
-
-typedef struct xlab_t {
-    long         minsec;       /* minimum sec per pix */
-    enum tmt_en  gridtm;       /* grid interval in what ?*/
-    long         gridst;       /* how many whats per grid*/
-    enum tmt_en  mgridtm;      /* label interval in what ?*/
-    long         mgridst;      /* how many whats per label*/
-    enum tmt_en  labtm;        /* label interval in what ?*/
-    long         labst;        /* how many whats per label*/
-    long         precis;       /* label precision -> label placement*/
-    char         *stst;        /* strftime string*/
-} xlab_t;
-
 xlab_t xlab[] = {
     {0,        TMT_SECOND,30, TMT_MINUTE,5,  TMT_MINUTE,5,         0,"%H:%M"},
     {2,        TMT_MINUTE,1,  TMT_MINUTE,5,  TMT_MINUTE,5,         0,"%H:%M"},
@@ -110,11 +65,6 @@ double yloglab[][12]= {{ 1e9, 1,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0 },
 
 /* sensible y label intervals ...*/
 
-typedef struct ylab_t {
-    double   grid;    /* grid spacing */
-    int      lfac[4]; /* associated label spacing*/
-} ylab_t;
-
 ylab_t ylab[]= {
     {0.1, {1,2, 5,10}},
     {0.2, {1,5,10,20}},
@@ -144,133 +94,6 @@ col_trip_t graph_col[] = { /* default colors */
     {255,0,0,-1}	/*arrow*/
 };
 
-/* this structure describes the elements which can make up a graph.
-   because they are quite diverse, not all elements will use all the
-   possible parts of the structure. */
-#ifdef HAVE_SNPRINTF
-#define FMT_LEG_LEN 200
-#else
-#define FMT_LEG_LEN 2000
-#endif
-
-typedef  struct graph_desc_t {
-    enum gf_en     gf;         /* graphing function */
-    char           vname[30];  /* name of the variable */
-    long           vidx;       /* gdes reference */
-    char           rrd[255];   /* name of the rrd_file containing data */
-    char           ds_nam[DS_NAM_SIZE]; /* data source name */
-    long           ds;         /* data source number */
-    enum cf_en     cf;         /* consolidation function */
-    col_trip_t     col;        /* graph color */
-    char           format[FMT_LEG_LEN+5]; /* format for PRINT AND GPRINT */
-    char           legend[FMT_LEG_LEN+5]; /* legend*/
-    gdPoint        legloc;     /* location of legend */   
-    double         yrule;      /* value for y rule line and for VDEF */
-    time_t         xrule;      /* time for x rule line and for VDEF */
-    vdef_t         vf;         /* instruction for VDEF function */
-    rpnp_t         *rpnp;     /* instructions for CDEF function */
-
-    /* description of data fetched for the graph element */
-    time_t         start,end; /* timestaps for first and last data element */
-    unsigned long  step;      /* time between samples */
-    unsigned long  ds_cnt; /* how many data sources are there in the fetch */
-    long           data_first; /* first pointer to this data */
-    char           **ds_namv; /* name of datasources  in the fetch. */
-    rrd_value_t    *data; /* the raw data drawn from the rrd */
-    rrd_value_t    *p_data; /* processed data, xsize elments */
-
-} graph_desc_t;
-
-#define ALTYGRID          0x01  /* use alternative y grid algorithm */
-#define ALTAUTOSCALE      0x02  /* use alternative algorithm to find lower and upper bounds */
-#define ALTAUTOSCALE_MAX  0x04  /* use alternative algorithm to find upper bounds */
-#define NOLEGEND          0x08  /* use no legend */
-
-typedef struct image_desc_t {
-
-    /* configuration of graph */
-
-    char           graphfile[MAXPATH]; /* filename for graphic */
-    long           xsize,ysize;    /* graph area size in pixels */
-    col_trip_t     graph_col[__GRC_END__]; /* real colors for the graph */   
-    char           ylegend[200];   /* legend along the yaxis */
-    char           title[200];     /* title for graph */
-    int            draw_x_grid;      /* no x-grid at all */
-    int            draw_y_grid;      /* no x-grid at all */
-    xlab_t         xlab_user;      /* user defined labeling for xaxis */
-    char           xlab_form[200]; /* format for the label on the xaxis */
-
-    double         ygridstep;      /* user defined step for y grid */
-    int            ylabfact;       /* every how many y grid shall a label be written ? */
-
-    time_t         start,end;      /* what time does the graph cover */
-    unsigned long           step;           /* any preference for the default step ? */
-    rrd_value_t    minval,maxval;  /* extreme values in the data */
-    int            rigid;          /* do not expand range even with 
-				      values outside */
-    char*          imginfo;         /* construct an <IMG ... tag and return 
-				      as first retval */
-    int            lazy;           /* only update the gif if there is reasonable
-				      probablility that the existing one is out of date */
-    int            logarithmic;    /* scale the yaxis logarithmic */
-    enum if_en     imgformat;         /* image format */
-    
-    /* status information */
-    	    
-    long           xorigin,yorigin;/* where is (0,0) of the graph */
-    long           xgif,ygif;      /* total size of the gif */
-    int            interlaced;     /* will the graph be interlaced? */
-    double         magfact;        /* numerical magnitude*/
-    long         base;            /* 1000 or 1024 depending on what we graph */
-    char           symbol;         /* magnitude symbol for y-axis */
-    int            unitsexponent;    /* 10*exponent for units on y-asis */
-    int            extra_flags;    /* flags for boolean options */
-    /* data elements */
-
-    long  prt_c;                  /* number of print elements */
-    long  gdes_c;                  /* number of graphics elements */
-    graph_desc_t   *gdes;          /* points to an array of graph elements */
-
-} image_desc_t;
-
-/* Prototypes */
-int xtr(image_desc_t *,time_t);
-int ytr(image_desc_t *, double);
-enum gf_en gf_conv(char *);
-enum if_en if_conv(char *);
-enum tmt_en tmt_conv(char *);
-enum grc_en grc_conv(char *);
-int im_free(image_desc_t *);
-void auto_scale( image_desc_t *,  double *, char **, double *);
-void si_unit( image_desc_t *);
-void expand_range(image_desc_t *);
-void reduce_data( enum cf_en,  unsigned long,  time_t *, time_t *,  unsigned long *,  unsigned long *,  rrd_value_t **);
-int data_fetch( image_desc_t *);
-long find_var(image_desc_t *, char *);
-long find_var_wrapper(void *arg1, char *key);
-long lcd(long *);
-int data_calc( image_desc_t *);
-int data_proc( image_desc_t *);
-time_t find_first_time( time_t,  enum tmt_en,  long);
-time_t find_next_time( time_t,  enum tmt_en,  long);
-void gator( gdImagePtr, int, int);
-int print_calc(image_desc_t *, char ***);
-int leg_place(image_desc_t *);
-int horizontal_grid(gdImagePtr, image_desc_t *);
-int horizontal_log_grid(gdImagePtr, image_desc_t *);
-void vertical_grid( gdImagePtr, image_desc_t *);
-void axis_paint( image_desc_t *, gdImagePtr);
-void grid_paint( image_desc_t *, gdImagePtr);
-gdImagePtr MkLineBrush(image_desc_t *,long, enum gf_en);
-int lazy_check(image_desc_t *);
-int graph_paint(image_desc_t *, char ***);
-int gdes_alloc(image_desc_t *);
-int scan_for_col(char *, int, char *);
-int rrd_graph(int, char **, char ***, int *, int *);
-int bad_format(char *);
-int vdef_parse(struct graph_desc_t *,char *);
-int vdef_calc(image_desc_t *, int);
-int vdef_percent_compar(const void *,const void *);
 
 /* translate time values into x coordinates */   
 /*#define xtr(x) (int)((double)im->xorigin \
@@ -326,8 +149,6 @@ ytr(image_desc_t *im, double value){
     } 
 }
 
-   
-    
 
 
 /* conversion function for symbolic entry names */
@@ -1309,7 +1130,7 @@ print_calc(image_desc_t *im, char ***prdata)
 	     */
 	    vidx = im->gdes[i].vidx;
 	    if (im->gdes[vidx].gf==GF_VDEF) { /* simply use vals */
-		printval = im->gdes[vidx].yrule;
+		printval = im->gdes[vidx].vf.val;
 	    } else { /* need to calculate max,min,avg etcetera */
 		max_ii =((im->gdes[vidx].end 
 			- im->gdes[vidx].start)
@@ -2776,7 +2597,7 @@ rrd_graph(int argc, char **argv, char ***prdata, int *xsize, int *ysize)
     for(i=optind+1;i<argc;i++){
 	int   argstart=0;
 	int   strstart=0;
-	char  varname[30],*rpnex;
+	char  varname[MAX_VNAME_LEN+1],*rpnex;
 	gdes_alloc(&im);
 	if(sscanf(argv[i],"%10[A-Z0-9]:%n",symname,&argstart)==1){
 	    if((im.gdes[im.gdes_c-1].gf=gf_conv(symname))==-1){
@@ -3100,62 +2921,40 @@ printf("DEBUG: strstart==%i\n",strstart);
 	    free(rpnex);
 	    break;
 	case GF_VDEF:
-	    /*
-	     * strstart is set to zero and will NOT be changed
-	     * if the comma is not matched.  This means that it
-	     * remains zero. Although strstart is initialized to
-	     * zero at the beginning of this loop, we do it again
-	     * here just in case someone changes the code...
-	     *
-	     * According to the docs we cannot rely on the
-	     * returned value from sscanf; it can be 2 or 3,
-	     * depending on %n incrementing it or not.
-	     */
-	    strstart=0;
+	    strstart=parse_vname1(&argv[i][argstart],&im,"VDEF");
+	    if (strstart==0) return -1;
+
+	    argstart+=strstart;
 	    sscanf(
-		    &argv[i][argstart],
-		    DEF_NAM_FMT "=" DEF_NAM_FMT ",%n",
-		    im.gdes[im.gdes_c-1].vname,
+		&argv[i][argstart],
+		DEF_NAM_FMT ",%n",
+		varname,&strstart
+	    );
+	    if (strstart==0) {
+		im_free(&im);
+		rrd_set_error("variable '%s' not known in VDEF '%s'",
 		    varname,
-		    &strstart);
-	    if (strstart){
-		/* checking both variable names */
-		if (find_var(&im,im.gdes[im.gdes_c-1].vname) != -1){
-		    im_free(&im);
-		    rrd_set_error("duplicate variable '%s'",
-				im.gdes[im.gdes_c-1].vname);
-		    return -1; 
-		} else {
-		    if ((im.gdes[im.gdes_c-1].vidx=find_var(&im,varname)) == -1){
-			im_free(&im);
-			rrd_set_error("variable '%s' not known in VDEF '%s'",
-				varname,
-				im.gdes[im.gdes_c-1].vname);
-			return -1; 
-		    } else {
-			if(im.gdes[im.gdes[im.gdes_c-1].vidx].gf != GF_DEF
-			&& im.gdes[im.gdes[im.gdes_c-1].vidx].gf != GF_CDEF){
-			    rrd_set_error("variable '%s' not DEF nor CDEF in VDEF '%s'",
-				varname,
-				im.gdes[im.gdes_c-1].vname);
-			    im_free(&im);
-			    return -1; 
-			}
-		    }
-		    /* parsed upto and including the first comma. Now
-		     * see what function is requested.  This function
-		     * sets the error string.
-		     */
-		    if (vdef_parse(&im.gdes[im.gdes_c-1],&argv[i][argstart+strstart])<0) {
-			im_free(&im);
-			return -1;
-		    };
-		}
-	    } else {
+		    im.gdes[im.gdes_c-1].vname);
+		return -1;
+	    };
+	    if (
+		    im.gdes[im.gdes[im.gdes_c-1].vidx].gf != GF_DEF
+		 && im.gdes[im.gdes[im.gdes_c-1].vidx].gf != GF_CDEF) {
+		rrd_set_error("variable '%s' not DEF nor CDEF in VDEF '%s'",
+			varname,
+			im.gdes[im.gdes_c-1].vname);
 		im_free(&im);
-		rrd_set_error("can't parse VDEF '%s'",&argv[i][argstart]);
 		return -1;
-	    }
+	    };
+
+	    /* parsed upto and including the first comma. Now
+	     * see what function is requested.  This function
+	     * sets the error string.
+	     */
+	    if (vdef_parse(&im.gdes[im.gdes_c-1],&argv[i][argstart+strstart])<0) {
+		im_free(&im);
+		return -1;
+	    };
 	    break;
 	case GF_DEF:
 	    if (sscanf(
@@ -3296,6 +3095,7 @@ char *str;
     else if	(!strcmp("MAXIMUM",func)) gdes->vf.op = VDEF_MAXIMUM;
     else if	(!strcmp("AVERAGE",func)) gdes->vf.op = VDEF_AVERAGE;
     else if	(!strcmp("MINIMUM",func)) gdes->vf.op = VDEF_MINIMUM;
+    else if	(!strcmp("TOTAL",  func)) gdes->vf.op = VDEF_TOTAL;
     else if	(!strcmp("FIRST",  func)) gdes->vf.op = VDEF_FIRST;
     else if	(!strcmp("LAST",   func)) gdes->vf.op = VDEF_LAST;
     else {
@@ -3330,6 +3130,7 @@ char *str;
 	case VDEF_MAXIMUM:
 	case VDEF_AVERAGE:
 	case VDEF_MINIMUM:
+	case VDEF_TOTAL:
 	case VDEF_FIRST:
 	case VDEF_LAST:
 	    if (isnan(param)) {
@@ -3369,7 +3170,7 @@ printf("DEBUG: start == %lu, end == %lu, %lu steps\n"
     );
 #endif
 
-    switch (im->gdes[gdi].vf.op) {
+    switch (dst->vf.op) {
 	case VDEF_PERCENT: {
 		rrd_value_t *	array;
 		int		field;
@@ -3387,7 +3188,7 @@ printf("DEBUG: start == %lu, end == %lu, %lu steps\n"
 		field = (steps-1)*dst->vf.param/100;
 		dst->vf.val  = array[field];
 		dst->vf.when = 0;	/* no time component */
-#if 1
+#if 0
 for(step=0;step<steps;step++)
 printf("DEBUG: %3li:%10.2f %c\n",step,array[step],step==field?'*':' ');
 #endif
@@ -3413,6 +3214,7 @@ printf("DEBUG: %3li:%10.2f %c\n",step,array[step],step==field?'*':' ');
 		step++;
 	    }
 	    break;
+	case VDEF_TOTAL:
 	case VDEF_AVERAGE: {
 	    int cnt=0;
 	    double sum=0.0;
@@ -3420,12 +3222,16 @@ printf("DEBUG: %3li:%10.2f %c\n",step,array[step],step==field?'*':' ');
 		if (finite(data[step*src->ds_cnt])) {
 		    sum += data[step*src->ds_cnt];
 		    cnt ++;
-		}
-		step++;
+		};
 	    }
 	    if (cnt) {
-		dst->vf.val  = sum/cnt;
-		dst->vf.when = 0;	/* no time component */
+		if (dst->vf.op == VDEF_TOTAL) {
+		    dst->vf.val  = sum*src->step;
+		    dst->vf.when = cnt*src->step;	/* not really "when" */
+		} else {
+		    dst->vf.val = sum/cnt;
+		    dst->vf.when = 0;	/* no time component */
+		};
 	    } else {
 		dst->vf.val  = DNAN;
 		dst->vf.when = 0;
@@ -3486,7 +3292,7 @@ printf("DEBUG: %3li:%10.2f %c\n",step,array[step],step==field?'*':' ');
     return 0;
 }
 
-/* NaN <= -INF <= finite_values <= INF */
+/* NaN < -INF < finite_values < INF */
 int
 vdef_percent_compar(a,b)
 const void *a,*b;
@@ -3508,3 +3314,4 @@ const void *a,*b;
     /* If we reach this, both values must be finite */
     if ( *(double *)a < *(double *)b ) return -1; else return 1;
 }
+