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authorPavel Machek <pavel@ucw.cz>2000-04-17 12:42:28 +0200
committerPavel Machek <pavel@ucw.cz>2000-04-17 12:42:28 +0200
commite399b6f6ad91e6f94081dfe694740451100c7a7f (patch)
treec4cb4aaf1920ca9e1bfaa43e74d37ad2ffe8b635
parent1ed2fe960929081065e75a7fb4322f28a76c508b (diff)
downloadbird-e399b6f6ad91e6f94081dfe694740451100c7a7f.tar
bird-e399b6f6ad91e6f94081dfe694740451100c7a7f.zip
Path and path matching seem to work, now.
-rw-r--r--filter/config.Y8
-rw-r--r--filter/filter.c8
-rw-r--r--filter/test.conf14
3 files changed, 21 insertions, 9 deletions
diff --git a/filter/config.Y b/filter/config.Y
index a4c1392..d515d17 100644
--- a/filter/config.Y
+++ b/filter/config.Y
@@ -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'); } */
diff --git a/filter/filter.c b/filter/filter.c
index 82fb304..d8124b7 100644
--- a/filter/filter.c
+++ b/filter/filter.c
@@ -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
diff --git a/filter/test.conf b/filter/test.conf
index 94ed556..55cbf33 100644
--- a/filter/test.conf
+++ b/filter/test.conf
@@ -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()