- Reworked the classifier interface.

- Added initial ematch support
- Added support for the basic classifier
- Added support for the cgroup classifier

1 files changed, 117 insertions, 0 deletions

diff --git a/src/nl-cls-add.c b/src/nl-cls-add.c
new file mode 100644
index 0000000..997f02f
--- /dev/null
+++ b/src/nl-cls-add.c
@@ -0,0 +1,117 @@
+/*
+ * src/nl-cls-add.c     Add classifier
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU General Public License as
+ *	published by the Free Software Foundation version 2 of the License.
+ *
+ * Copyright (c) 2003-2009 Thomas Graf <tgraf@suug.ch>
+ */
+
+#include "cls/utils.h"
+
+static int quiet = 0;
+
+static void print_usage(void)
+{
+	printf(
+"Usage: nl-cls-add [OPTION]... [CLASSIFIER] TYPE [TYPE OPTIONS]...\n"
+"\n"
+"Options\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\n"
+"     --proto=PROTO         Protocol (default=IPv4)\n"
+"     --prio=NUM            Priority (0..256)\n"
+"     --id=HANDLE           Unique identifier\n"
+	);
+	exit(0);
+}
+
+int main(int argc, char *argv[])
+{
+	struct nl_sock *sock;
+	struct rtnl_cls *cls;
+	struct nl_cache *link_cache;
+	struct rtnl_cls_ops *ops;
+	struct cls_module *mod;
+	struct nl_dump_params dp = {
+		.dp_type = NL_DUMP_DETAILS,
+		.dp_fd = stdout,
+	};
+	char *kind;
+	int err, nlflags = NLM_F_CREATE;
+ 
+	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_PROTO = 257,
+			ARG_PRIO = 258,
+			ARG_ID,
+		};
+		static struct option long_opts[] = {
+			{ "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, "+qhva:d:", long_opts, &optidx);
+		if (c == -1)
+			break;
+
+		switch (c) {
+		case '?': exit(NLE_INVAL);
+		case 'q': quiet = 1; break;
+		case 'h': print_usage(); break;
+		case 'v': nlt_print_version(); break;
+		case 'd': parse_dev(cls, link_cache, optarg); break;
+		case 'p': parse_parent(cls, optarg); break;
+		case ARG_PRIO: parse_prio(cls, optarg); break;
+		case ARG_ID: parse_handle(cls, optarg); break;
+		case ARG_PROTO: parse_proto(cls, optarg); break;
+		}
+ 	}
+
+	if (optind >= argc) {
+		print_usage();
+		fatal(EINVAL, "Missing classifier type");
+	}
+
+	kind = argv[optind++];
+	if ((err = rtnl_cls_set_kind(cls, kind)) < 0)
+		fatal(ENOENT, "Unknown classifier type \"%s\".", kind);
+	
+	ops = rtnl_cls_get_ops(cls);
+	if (!(mod = lookup_cls_mod(ops)))
+		fatal(ENOTSUP, "Classifier type \"%s\" not supported.", kind);
+
+	mod->parse_argv(cls, argc, argv);
+
+	printf("Adding ");
+	nl_object_dump(OBJ_CAST(cls), &dp);
+
+	if ((err = rtnl_cls_add(sock, cls, nlflags)) < 0)
+		fatal(err, "Unable to add classifier: %s", nl_geterror(err));
+
+	if (!quiet) {
+		printf("Added ");
+		nl_object_dump(OBJ_CAST(cls), &dp);
+ 	}
+
+	return 0;
+}