nl-class-list tool

Same syntax as nl-qdisc-list

1 files changed, 114 insertions, 0 deletions

diff --git a/src/nl-class-list.c b/src/nl-class-list.c
new file mode 100644
index 0000000..7c0edff
--- /dev/null
+++ b/src/nl-class-list.c
@@ -0,0 +1,114 @@
+/*
+ * src/nl-class-list.c     List Traffic Classes
+ *
+ *	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) 2010 Thomas Graf <tgraf@suug.ch>
+ */
+
+#include <netlink/cli/utils.h>
+#include <netlink/cli/class.h>
+#include <netlink/cli/link.h>
+
+struct nl_sock *sock;
+
+struct nl_dump_params params = {
+	.dp_type = NL_DUMP_LINE,
+};
+
+static void print_usage(void)
+{
+	printf(
+	"Usage: nl-class-list [OPTION]...\n"
+	"\n"
+	"OPTIONS\n"
+	"     --details         Show details\n"
+	"     --stats           Show statistics\n"
+	" -h, --help            Show this help\n"
+	" -v, --version         Show versioning information\n"
+	"\n"
+	" -d, --dev=DEV         Device the class is attached to. (default: all)\n"
+	" -p, --parent=ID       Identifier of parent class.\n"
+	" -i, --id=ID           Identifier.\n"
+	" -k, --kind=NAME       Kind of class (e.g. pfifo_fast)\n"
+	"\n"
+	"EXAMPLE\n"
+	"    # Display statistics of all classes on eth0\n"
+	"    $ nl-class-list --stats --dev=eth0\n"
+	"\n"
+	);
+	exit(0);
+}
+
+static void __dump_class(int ifindex, struct rtnl_class *filter)
+{
+	struct nl_cache *cache;
+
+	cache = nl_cli_class_alloc_cache(sock, ifindex);
+	nl_cache_dump_filter(cache, &params, OBJ_CAST(filter));
+}
+
+static void dump_class(struct nl_object *obj, void *arg)
+{
+	struct rtnl_link *link = nl_object_priv(obj);
+
+	__dump_class(rtnl_link_get_ifindex(link), arg);
+}
+
+int main(int argc, char *argv[])
+{
+	struct rtnl_class *class;
+	struct nl_cache *link_cache;
+	int ifindex;
+ 
+	sock = nl_cli_alloc_socket();
+	nl_cli_connect(sock, NETLINK_ROUTE);
+	link_cache = nl_cli_link_alloc_cache(sock);
+ 	class = nl_cli_class_alloc();
+
+	params.dp_fd = stdout;
+ 
+	for (;;) {
+		int c, optidx = 0;
+		enum {
+			ARG_DETAILS = 257,
+			ARG_STATS = 258,
+		};
+		static struct option long_opts[] = {
+			{ "details", 0, 0, ARG_DETAILS },
+			{ "stats", 0, 0, ARG_STATS },
+			{ "help", 0, 0, 'h' },
+			{ "version", 0, 0, 'v' },
+			{ "dev", 1, 0, 'd' },
+			{ "parent", 1, 0, 'p' },
+			{ "id", 1, 0, 'i' },
+			{ "kind", 1, 0, 'k' },
+			{ 0, 0, 0, 0 }
+		};
+	
+		c = getopt_long(argc, argv, "hvd:p:i:k:", long_opts, &optidx);
+		if (c == -1)
+			break;
+
+		switch (c) {
+		case ARG_DETAILS: params.dp_type = NL_DUMP_DETAILS; break;
+		case ARG_STATS: params.dp_type = NL_DUMP_STATS; break;
+		case 'h': print_usage(); break;
+		case 'v': nl_cli_print_version(); break;
+		case 'd': nl_cli_class_parse_dev(class, link_cache, optarg); break;
+		case 'p': nl_cli_class_parse_parent(class, optarg); break;
+		case 'i': nl_cli_class_parse_handle(class, optarg); break;
+		case 'k': nl_cli_class_parse_kind(class, optarg); break;
+		}
+ 	}
+
+	if ((ifindex = rtnl_class_get_ifindex(class)))
+		__dump_class(ifindex, class);
+	 else
+		nl_cache_foreach(link_cache, dump_class, class);
+
+	return 0;
+}