nl-class-list tool

Same syntax as nl-qdisc-list

diff --git a/src/.gitignore b/src/.gitignore
index d5fdaa8046137410fa4d039f08d61b15f8349c93..a815b6fe5f477950704575fa8097e05cd11e4ea0 100644 (file)
--- a/src/.gitignore
+++ b/src/.gitignore
@@ -23,6 +23,7 @@ nl-qdisc-delete
 nl-qdisc-list
 nl-class-add
 nl-class-delete
+nl-class-list
 nl-route-add
 nl-route-delete
 nl-route-list

diff --git a/src/Makefile.am b/src/Makefile.am
index 5cd10afd2bad8104e6f8808d0584da84afc15fd8..1dc9cebd0600fbff153fd998bc2e4940619096c5 100644 (file)
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -7,7 +7,7 @@ AM_LDFLAGS = -L${top_builddir}/lib -L${top_builddir}/src/lib -lnl-cli
 
 sbin_PROGRAMS = \
        nl-qdisc-add nl-qdisc-list nl-qdisc-delete \
-       nl-class-add nl-class-delete \
+       nl-class-add nl-class-list nl-class-delete \
        nl-classid-lookup
 
 noinst_PROGRAMS = \
@@ -81,6 +81,8 @@ nl_class_add_SOURCES = nl-class-add.c
 nl_class_add_LDADD = -lnl-route
 nl_class_delete_SOURCES = nl-class-delete.c
 nl_class_delete_LDADD = -lnl-route
+nl_class_list_SOURCES = nl-class-list.c
+nl_class_list_LDADD = -lnl-route
 
 nl_route_add_SOURCES = nl-route-add.c
 nl_route_add_LDADD = -lnl-route

diff --git a/src/nl-class-list.c b/src/nl-class-list.c
new file mode 100644 (file)
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;
+}