--- /dev/null
+#include "rrd_tool.h"
+#include "rrd_rpncalc.h"
+
+#define MAX_VNAME_LEN 29
+#define DEF_NAM_FMT "%29[_A-Za-z0-9]"
+
+#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 */
+
+
+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_TOTAL /* average multiplied by time */
+ ,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;
+
+#if 0
+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"},
+ {5, TMT_MINUTE,2, TMT_MINUTE,10, TMT_MINUTE,10, 0,"%H:%M"},
+ {10, TMT_MINUTE,5, TMT_MINUTE,20, TMT_MINUTE,20, 0,"%H:%M"},
+ {30, TMT_MINUTE,10, TMT_HOUR,1, TMT_HOUR,1, 0,"%H:%M"},
+ {60, TMT_MINUTE,30, TMT_HOUR,2, TMT_HOUR,2, 0,"%H:%M"},
+ {180, TMT_HOUR,1, TMT_HOUR,6, TMT_HOUR,6, 0,"%H:%M"},
+ /*{300, TMT_HOUR,3, TMT_HOUR,12, TMT_HOUR,12, 12*3600,"%a %p"}, this looks silly*/
+ {600, TMT_HOUR,6, TMT_DAY,1, TMT_DAY,1, 24*3600,"%a"},
+ {1800, TMT_HOUR,12, TMT_DAY,1, TMT_DAY,2, 24*3600,"%a"},
+ {3600, TMT_DAY,1, TMT_WEEK,1, TMT_WEEK,1, 7*24*3600,"Week %W"},
+ {3*3600, TMT_WEEK,1, TMT_MONTH,1, TMT_WEEK,2, 7*24*3600,"Week %W"},
+ {6*3600, TMT_MONTH,1, TMT_MONTH,1, TMT_MONTH,1, 30*24*3600,"%b"},
+ {48*3600, TMT_MONTH,1, TMT_MONTH,3, TMT_MONTH,3, 30*24*3600,"%b"},
+ {10*24*3600, TMT_YEAR,1, TMT_YEAR,1, TMT_YEAR,1, 365*24*3600,"%y"},
+ {-1,TMT_MONTH,0,TMT_MONTH,0,TMT_MONTH,0,0,""}
+};
+
+/* sensible logarithmic y label intervals ...
+ the first element of each row defines the possible starting points on the
+ y axis ... the other specify the */
+
+double yloglab[][12]= {{ 1e9, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+ { 1e3, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+ { 1e1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+ /* { 1e1, 1, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, */
+ { 1e1, 1, 2.5, 5, 7.5, 0, 0, 0, 0, 0, 0, 0 },
+ { 1e1, 1, 2, 4, 6, 8, 0, 0, 0, 0, 0, 0 },
+ { 1e1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0 },
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }};
+
+#endif
+
+/* sensible y label intervals ...*/
+
+typedef struct ylab_t {
+ double grid; /* grid spacing */
+ int lfac[4]; /* associated label spacing*/
+} ylab_t;
+
+#if 0
+ylab_t ylab[]= {
+ {0.1, {1,2, 5,10}},
+ {0.2, {1,5,10,20}},
+ {0.5, {1,2, 4,10}},
+ {1.0, {1,2, 5,10}},
+ {2.0, {1,5,10,20}},
+ {5.0, {1,2, 4,10}},
+ {10.0, {1,2, 5,10}},
+ {20.0, {1,5,10,20}},
+ {50.0, {1,2, 4,10}},
+ {100.0, {1,2, 5,10}},
+ {200.0, {1,5,10,20}},
+ {500.0, {1,2, 4,10}},
+ {0.0, {0,0,0,0}}};
+
+
+
+col_trip_t graph_col[] = { /* default colors */
+ {255,255,255,-1}, /* canvas */
+ {245,245,245,-1}, /* background */
+ {200,200,200,-1}, /* shade A */
+ {150,150,150,-1}, /* shade B */
+ {140,140,140,-1}, /* grid */
+ {130,30,30,-1}, /* major grid */
+ {0,0,0,-1}, /* font */
+ {0,0,0,-1}, /* frame */
+ {255,0,0,-1} /*arrow*/
+};
+
+#endif
+
+/* 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[MAX_VNAME_LEN+1]; /* 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;
+
+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 *);
projects / rrdtool.git / commitdiff