#include "rrd_tool.h"
#include "rrd_rpncalc.h"
+#include "rrd_graph.h"
#include <limits.h>
short addop2str(enum op_en op, enum op_en op_type, char *op_str,
return -1;
}
(*rpnc)[i].val = (short) temp;
- } else if (rpnp[i].op == OP_VARIABLE) {
+ } else if (rpnp[i].op == OP_VARIABLE ||
+ rpnp[i].op == OP_PREV_OTHER) {
(*rpnc)[i].val = (short) rpnp[i].ptr;
}
}
rpnp[i].op = (long) rpnc[i].op;
if (rpnp[i].op == OP_NUMBER) {
rpnp[i].val = (double) rpnc[i].val;
- } else if (rpnp[i].op == OP_VARIABLE) {
+ } else if (rpnp[i].op == OP_VARIABLE ||
+ rpnp[i].op == OP_PREV_OTHER) {
rpnp[i].ptr = (long) rpnc[i].val;
}
}
char *ds_name = ds_def[rpnc[i].val].ds_nam;
add_op(OP_VARIABLE, ds_name)
}
+
+ if (rpnc[i].op == OP_PREV_OTHER) {
+ char *ds_name = ds_def[rpnc[i].val].ds_nam;
+ add_op(OP_VARIABLE, ds_name)
+ }
+
#undef add_op
#define add_op(VV,VVV) \
expr+=strlen(#VVV); \
}
+
+#define match_op_param(VV,VVV) \
+ else if (sscanf(expr, #VVV "(" DEF_NAM_FMT ")",vname) == 1) { \
+ int length = 0; \
+ if ((length = strlen(#VVV)+strlen(vname)+2, \
+ expr[length] == ',' || expr[length] == '\0') ) { \
+ rpnp[steps].op = VV; \
+ rpnp[steps].ptr = (*lookup)(key_hash,vname); \
+ if (rpnp[steps].ptr < 0) { \
+ free(rpnp); \
+ return NULL; \
+ } else expr+=length; \
+ } \
+ }
+
match_op(OP_ADD,+)
match_op(OP_SUB,-)
match_op(OP_MUL,*)
match_op(OP_UN,UN)
match_op(OP_NEGINF,NEGINF)
match_op(OP_NE,NE)
+ match_op_param(OP_PREV_OTHER,PREV)
match_op(OP_PREV,PREV)
match_op(OP_INF,INF)
match_op(OP_ISINF,ISINF)
#undef match_op
- else if ((sscanf(expr,"%29[_A-Za-z0-9]%n",
+ else if ((sscanf(expr, DEF_NAM_FMT "%n",
vname,&pos) == 1)
&& ((rpnp[steps].ptr = (*lookup)(key_hash,vname)) != -1)){
rpnp[steps].op = OP_VARIABLE;
* row in the rra (skip over non-relevant
* data sources)
*/
+ rpnstack -> s[++stptr] = *(rpnp[rpi].data);
if (data_idx % rpnp[rpi].step == 0){
rpnp[rpi].data += rpnp[rpi].ds_cnt;
}
- rpnstack -> s[++stptr] = *(rpnp[rpi].data);
}
break;
case OP_PREV:
rpnstack -> s[++stptr] = output[output_idx-1];
}
break;
+ case OP_PREV_OTHER:
+ if ((output_idx-1) <= 0) {
+ rpnstack -> s[++stptr] = DNAN;
+ } else {
+ rpnstack -> s[++stptr] = rpnp[rpnp[rpi].ptr].data[output_idx-1];
+ }
+ break;
case OP_UNKN:
rpnstack -> s[++stptr] = DNAN;
break;