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Path and path matching seem to work, now.

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This commit is contained in:
Pavel Machek 2000-04-17 10:42:28 +00:00
parent 1ed2fe9609
commit e399b6f6ad
3 changed files with 21 additions and 9 deletions
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8
filter/config.Y
View file

@ -72,7 +72,7 @@ CF_KEYWORDS(FUNCTION, PRINT, PRINTN, UNSET, RETURN,
LEN,
DEFINED,
ADD, DELETE, CONTAINS, RESET,
APPEND, MATCH,
PREPEND, MATCH,
EMPTY,
FILTER, WHERE)
@ -388,6 +388,7 @@ term:
case SYM_VARIABLE | T_PREFIX:
case SYM_VARIABLE | T_IP:
case SYM_VARIABLE | T_PATH_MASK:
case SYM_VARIABLE | T_PATH:
$$->code = 'C';
$$->a1.p = $1->aux2;
break;
@ -417,10 +418,11 @@ term:
*/
/* Paths */
| term '.' APPEND '(' term ')' { }
| term '.' PREPEND '(' term ')' { }
| term '.' RESET { }
| EMPTY { $$ = f_new_inst(); $$->code = 'E'; $$->aux = T_PATH; }
| '+' EMPTY '+' { $$ = f_new_inst(); $$->code = 'E'; $$->aux = T_PATH; }
| PREPEND '(' term ',' term ')' { $$ = f_new_inst(); $$->code = P('A','p'); $$->a1.p = $3; $$->a2.p = $5; }
/* | term '.' LEN { $$->code = P('P','l'); } */

8
filter/filter.c
View file

@ -253,6 +253,8 @@ interpret(struct f_inst *what)
case T_IP:
case T_PREFIX:
case T_PAIR:
case T_PATH:
case T_CLIST:
case T_PATH_MASK:
if (sym->class != (SYM_VARIABLE | v2.type))
runtime( "Variable of bad type" );
@ -584,6 +586,7 @@ filters_postconfig(void)
struct f_val res;
if (startup_func) {
debug( "Launching startup function...\n" );
f_pool = lp_new(&root_pool, 1024);
res = interpret(startup_func);
if (res.type == F_ERROR)
die( "Startup function resulted in error." );
@ -674,10 +677,9 @@ path_format(u8 *p, int len)
#define PM_END -1
#define PM_ASTERIX -2
#define MASK_PLUS do { mask = mask->next; if (mask->val == PM_END) return next == q; \
#define MASK_PLUS do { mask = mask->next; if (!mask) return next == q; \
asterix = (mask->val == PM_ASTERIX); \
printf( "Asterix now %d\n", asterix ); \
if (asterix) { mask = mask->next; if (mask->val == PM_END) { printf( "Quick exit\n" ); return 1; } } \
if (asterix) { mask = mask->next; if (!mask) { return 1; } } \
} while(0)
int

14
filter/test.conf
View file

@ -31,10 +31,18 @@ function fifteen()
function paths()
bgpmask p;
bgppath p2;
{
print "Testing paths";
p = / 1 2 3 4 /;
print p;
p = / 4 3 2 1 /;
print "Testing path masks: ", p;
p2 = prepend( + empty +, 1 );
p2 = prepend( p2, 2 );
p2 = prepend( p2, 3 );
p2 = prepend( p2, 4 );
print "Testing paths: ", p2;
print "Should be true: ", p2 ~ p;
p2 = prepend( p2, 5 );
print "Should be false: ", p2 ~ p;
}
function startup()