renamed capwap directory to cw.

FossilOrigin-Name: 8a43dd9d05a4cb73210243ddd8df2a26f16c7ef2c4d4e36ab446de1f65d88223

src/cw/connlist.c

@@ -0,0 +1,101 @@
+
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+
+#include <pthread.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+
+
+
+#include <stdio.h>
+
+#include "conn.h"
+#include "sock.h"
+
+
+static int connlist_cmp(const void * d1,const void *d2)
+{
+	struct conn * c1=(struct conn *) d1;
+	struct conn * c2=(struct conn *) d2;
+
+	return sock_cmpaddr((struct sockaddr*)&c1->addr,(struct sockaddr*)&c2->addr,1);
+}
+
+
+struct connlist * connlist_create(int len)
+{
+
+	struct connlist * cl = malloc(sizeof(struct connlist));
+	if (!cl)
+		return 0;
+
+
+	cl->t = avltree_create(connlist_cmp,0);
+
+	if (!cl->t){
+		free(cl);
+		return 0;
+	}
+
+	if (pthread_mutex_init(&cl->connlist_mutex,NULL)){
+		avltree_destroy(cl->t);
+		free(cl);
+		return 0;
+	};
+
+	cl->len=len;
+
+	return cl;
+}
+
+void connlist_lock(struct connlist * cl)
+{
+	pthread_mutex_lock(&cl->connlist_mutex);
+}
+
+void connlist_unlock(struct connlist * cl)
+{
+	pthread_mutex_unlock(&cl->connlist_mutex);
+}
+
+
+void connlist_destroy(struct connlist * cl)
+{
+	if (!cl)
+		return;
+
+	if (cl->t)
+		avltree_destroy(cl->t);
+	pthread_mutex_destroy(&cl->connlist_mutex);
+	free(cl);
+	
+}
+
+
+struct conn * connlist_get(struct connlist * cl, const struct sockaddr * addr)
+{
+	struct conn dummy;
+	sock_copyaddr(&dummy.addr,addr);
+	return avltree_get(cl->t,&dummy);
+}
+
+
+struct conn * connlist_add(struct connlist * cl, struct conn * conn)
+{
+	if ( cl->len!=0)
+		if (cl->t->count>=cl->len)
+			return 0;
+
+	return avltree_add(cl->t,conn);
+}
+
+
+void connlist_remove(struct connlist *cl,struct conn * conn)
+{
+	avltree_del(cl->t,conn);
+}
+	
+
+