1 files changed, 133 insertions, 0 deletions
diff --git a/src/nl-cls-delete.c b/src/nl-cls-delete.c
new file mode 100644
index 0000000..cfdc170
--- /dev/null
+++ b/src/nl-cls-delete.c
@@ -0,0 +1,133 @@
+/*
+ * src/nl-cls-delete.c     Delete Classifier
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation version 2.1
+ *	of the License.
+ *
+ * Copyright (c) 2008 Thomas Graf <tgraf@suug.ch>
+ */
+
+#include "cls/utils.h"
+
+static int interactive = 0, default_yes = 0, quiet = 0;
+static int deleted = 0;
+static struct nl_sock *sock;
+
+static void print_usage(void)
+{
+	printf(
+	"Usage: nl-cls-list [OPTION]... [CLASSIFIER]\n"
+	"\n"
+	"Options\n"
+	" -i, --interactive     Run interactively\n"
+	"     --yes             Set default answer to yes\n"
+	" -q, --quiet		Do not print informal notifications\n"
+	" -h, --help            Show this help\n"
+	" -v, --version		Show versioning information\n"
+	"\n"
+	"Classifier Options\n"
+	" -d, --dev=DEV         Device the classifier should be assigned to.\n"
+	" -p, --parent=HANDLE   Parent qdisc/class\n"
+	"     --proto=PROTO     Protocol\n"
+	"     --prio=NUM        Priority (0..256)\n"
+	"     --id=HANDLE       Unique identifier\n"
+	);
+	exit(0);
+}
+
+static void delete_cb(struct nl_object *obj, void *arg)
+{
+	struct rtnl_cls *cls = (struct rtnl_cls *) obj;
+	struct nl_dump_params params = {
+		.dp_type = NL_DUMP_LINE,
+		.dp_fd = stdout,
+	};
+	int err;
+
+	if (interactive && !nlt_confirm(obj, &params, default_yes))
+		return;
+
+	if ((err = rtnl_cls_delete(sock, cls, 0)) < 0)
+		fatal(err, "Unable to delete classifier: %s",
+		      nl_geterror(err));
+
+	if (!quiet) {
+		printf("Deleted ");
+		nl_object_dump(obj, &params);
+	}
+
+	deleted++;
+}
+
+int main(int argc, char *argv[])
+{
+	struct nl_cache *link_cache, *cls_cache;
+	struct rtnl_cls *cls;
+	int nf = 0, err;
+
+	sock = nlt_alloc_socket();
+	nlt_connect(sock, NETLINK_ROUTE);
+	link_cache = nlt_alloc_link_cache(sock);
+	cls = nlt_alloc_cls();
+
+	for (;;) {
+		int c, optidx = 0;
+		enum {
+			ARG_PRIO = 257,
+			ARG_PROTO = 258,
+			ARG_ID,
+			ARG_YES,
+		};
+		static struct option long_opts[] = {
+			{ "interactive", 0, 0, 'i' },
+			{ "yes", 0, 0, ARG_YES },
+			{ "quiet", 0, 0, 'q' },
+			{ "help", 0, 0, 'h' },
+			{ "version", 0, 0, 'v' },
+			{ "dev", 1, 0, 'd' },
+			{ "parent", 1, 0, 'p' },
+			{ "proto", 1, 0, ARG_PROTO },
+			{ "prio", 1, 0, ARG_PRIO },
+			{ "id", 1, 0, ARG_ID },
+			{ 0, 0, 0, 0 }
+		};
+	
+		c = getopt_long(argc, argv, "iqhvd:p:", long_opts, &optidx);
+		if (c == -1)
+			break;
+
+		switch (c) {
+		case 'i': interactive = 1; break;
+		case ARG_YES: default_yes = 1; break;
+		case 'q': quiet = 1; break;
+		case 'h': print_usage(); break;
+		case 'v': nlt_print_version(); break;
+		case 'd': nf++; parse_dev(cls, link_cache, optarg); break;
+		case 'p': nf++; parse_parent(cls, optarg); break;
+		case ARG_PRIO: nf++; parse_prio(cls, optarg); break;
+		case ARG_ID: nf++; parse_handle(cls, optarg); break;
+		case ARG_PROTO: nf++; parse_proto(cls, optarg); break;
+		}
+	}
+
+	if (nf == 0 && !interactive && !default_yes) {
+		fprintf(stderr, "You attempted to delete all classifiers in "
+			"non-interactive mode, aborting.\n");
+		exit(0);
+	}
+
+	err = rtnl_cls_alloc_cache(sock, rtnl_cls_get_ifindex(cls),
+				   rtnl_cls_get_parent(cls), &cls_cache);
+	if (err < 0)
+		fatal(err, "Unable to allocate classifier cache: %s",
+		      nl_geterror(err));
+
+	nl_cache_foreach_filter(cls_cache, OBJ_CAST(cls), delete_cb, NULL);
+
+	if (!quiet)
+		printf("Deleted %d classifiers\n", deleted);
+
+	return 0;
+}