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TMP

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This commit is contained in:
Maria Matejka 2023-07-02 16:09:33 +02:00
parent 0fbd598a9c
commit a36fc2b2cd
5 changed files with 48 additions and 16 deletions
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1
conf/conf.h
View File

@ -163,6 +163,7 @@ struct bytestring {
#define SYM_FILTER 4
#define SYM_TABLE 5
#define SYM_ATTRIBUTE 6
#define SYM_VOLATILE 7
#define SYM_VARIABLE 0x100 /* 0x100-0x1ff are variable types */
#define SYM_VARIABLE_RANGE SYM_VARIABLE ... (SYM_VARIABLE | 0xff)

41
filter/config.Y
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@ -12,6 +12,7 @@ CF_HDR
#include "filter/f-inst.h"
#include "filter/data.h"
#include "nest/volatile.h"
CF_DEFINES
@ -366,16 +367,35 @@ conf: definition ;
definition:
DEFINE symbol '=' term ';' {
struct f_line *line = f_linearize($4, 1);
int volat = 0;
struct filter_iterator fit;
FILTER_ITERATE_INIT(&fit,
if
FILTER_ITERATE_INIT(&fit, line, new_config->pool);
FILTER_ITERATE(&fit, fi)
{
switch (fi->fi_code)
{
case FI_VOLATILE_ROUTE_COUNTER:
case FI_VOLATILE_TERM:
volat = 1;
break;
default:
break;
}
}
FILTER_ITERATE_END;
FILTER_ITERATE_CLEANUP(&fit);
struct f_val val;
if (f_eval(, &val) > F_RETURN) cf_error("Runtime error");
cf_define_symbol($2, SYM_CONSTANT | val.type, val, lp_val_copy(cfg_mem, &val));
if (volat)
cf_define_symbol($2, SYM_VOLATILE, volat, f_volatile_term(line));
else
{
struct f_val val;
if (f_eval(line, &val) > F_RETURN) cf_error("Runtime error");
cf_define_symbol($2, SYM_CONSTANT | val.type, val, lp_val_copy(cfg_mem, &val));
}
}
| DEFINE symbol '=' COUNT ROUTE r_args ';' {
cf_define_symbol($2, SYM_VOLATILE, volat, f_volatile_counter($6));
cf_define_symbol($2, SYM_VOLATILE, volat, rt_volatile_route_counter($6));
}
;
@ -820,12 +840,9 @@ symbol_value: symbol_known
case SYM_ATTRIBUTE:
$$ = f_new_inst(FI_EA_GET, $1->attribute);
break;
case SYM_COUNTER:
$$ = f_new_inst(FI_COUNTER, $1);
break;
case SYM_COUNTER_TERM:
$$ = f_new_inst(FI_COUNTER_TERM, $1);
break;
case SYM_VOLATILE:
$$ = f_copy_inst($1->volat->inst);
break;
default:
cf_error("Can't get value of symbol %s", $1->name);
}

9
filter/f-inst.c
View File

@ -542,13 +542,14 @@
RESULT_VAL(fstk->vstk[curline.vbase + sym->offset]);
}
INST(FI_COUNTER, 0, 1) {
SYMBOL;
INST(FI_VOLATILE_ROUTE_COUNTER, 0, 1) {
FID_MEMBER(struct volatile_route_counter_config *, vrcc, vrcc->vc.sym->flags & SYM_FLAG_SAME, "count route %p", item->vrcc);
NEVER_CONSTANT;
RESULT(T_INT, i, stats_get_counter(sym));
RESULT(T_INT, i, vrcc->counter_pub);
}
INST(FI_COUNTER_TERM, 0, 1) {
INST(FI_VOLATILE_TERM, 0, 1) {
SYMBOL;
NEVER_CONSTANT;

11
filter/f-inst.h
View File

@ -29,6 +29,15 @@ enum f_instruction_flags {
#include "filter/inst-gen.h"
#define f_new_inst(...) MACRO_CONCAT_AFTER(f_new_inst_, MACRO_FIRST(__VA_ARGS__))(__VA_ARGS__)
static inline struct f_inst *
f_copy_inst(struct f_inst *i)
{
ASSERT_DIE(i->next == NULL);
struct f_inst *ii = tmp_allocz(sizeof *ii);
memcpy(ii, i, sizeof *ii);
ii->lineno = ifs->lino;
return ii;
}
/* Convert the instruction back to the enum name */
const char *f_instruction_name_(enum f_instruction_code fi);
@ -94,6 +103,8 @@ void f_add_lines(const struct f_line_item *what, struct filter_iterator *fit);
struct filter *f_new_where(struct f_inst *);
struct volatile_config *f_volatile_term(const struct f_line *);
static inline struct f_static_attr f_new_static_attr(btype type, int code, int readonly)
{ return (struct f_static_attr) { .type = type, .sa_code = code, .readonly = readonly }; }
struct f_inst *f_generate_roa_check(struct rtable_config *table, struct f_inst *prefix, struct f_inst *asn);

2
nest/rt.h
View File

@ -666,6 +666,8 @@ void rt_show(struct rt_show_data *);
struct rt_show_data_rtable * rt_show_add_exporter(struct rt_show_data *d, struct rt_exporter *t, const char *name);
struct rt_show_data_rtable * rt_show_add_table(struct rt_show_data *d, rtable *t);
struct volatile_config *rt_volatile_route_counter(struct rt_show_data *);
/* Value of table definition mode in struct rt_show_data */
#define RSD_TDB_DEFAULT 0 /* no table specified */
#define RSD_TDB_INDIRECT 0 /* show route ... protocol P ... */