Improved mod detection, also for bindings. detections are cached.

FossilOrigin-Name: bb2a4cd9c18aded4fa028aa8d385c811d7550a37ddaf3da17f90399315abf637

src/cw/mod.c

@@ -0,0 +1,87 @@
+#include <string.h>
+
+#include "action.h"
+#include "mavl.h"
+#include "dbg.h"
+
+struct cache_item
+{
+	const char *capwap;
+	const char *bindings;
+	struct cw_actiondef actions;
+
+};
+
+static struct mavl * cache = NULL;
+
+static int mod_null_register_actions(struct cw_actiondef *def)
+{
+	return 0;
+}
+struct mod_ac mod_null={
+	.name="none",
+	.register_actions=mod_null_register_actions
+};
+
+
+
+
+int cmp(const void *p1, const void *p2)
+{
+	struct cache_item * c1 = (struct cache_item *)p1;
+	struct cache_item * c2 = (struct cache_item *)p2;
+
+	int r;
+	r = strcmp(c1->capwap,c2->capwap);
+	if (r!=0)
+		return r;
+
+	return strcmp(c1->bindings,c2->bindings);
+	
+}
+
+struct cw_actiondef * mod_cache_get(const char *capwap, const char *bindings)
+{
+
+	return NULL;
+}
+
+struct cw_actiondef * mod_cache_add(struct mod_ac *c, struct mod_ac *b)
+{
+	if (!cache){
+		cache = mavl_create(cmp,NULL);
+		if (!cache)
+			return NULL;
+	}
+
+	struct cache_item s;
+	s.capwap=c->name;
+	s.bindings=b->name;
+
+	struct cache_item * i  = mavl_get(cache,&s);
+	if (i){
+		cw_dbg(DBG_INFO,"Using cached actions for %s,%s",c->name,b->name);
+		return &(i->actions);
+	}
+
+
+	i = malloc(sizeof(struct cache_item));
+	if (!i)
+		return NULL;
+
+	cw_dbg(DBG_INFO,"Loading actions for %s,%s",c->name,b->name);
+	memset (i,0,sizeof(struct cache_item));
+	if (c){
+		i->capwap=c->name;
+		c->register_actions(&(i->actions));
+	}
+	if (b){
+		i->bindings=b->name;
+		b->register_actions(&(i->actions));
+	}
+
+	mavl_add(cache,i);
+
+	return &(i->actions);
+
+}